@article{amm1999anngeo,
author = {O. Amm and A. Pajunpää and U. Brändström},
title = {Spatial distribution of conductances and currents
associated with a {N}orth-{S}outh auroral form during a
multiple substorm period},
journal = {Ann.\ Geophys.},
year = 1999,
volume = 17,
pages = {1385--1396},
braendstroem = {amm1999anngeo},
irf = {amm1999anngeo},
referee = {amm1999anngeo},
printstatus = {preprint}
}
@article{aruliah1996jgr,
author = {Anasuya L. Aruliah and A. D. Farmer and David Rees and
Urban Brändström},
title = {The seasonal behaviour of high-latitude thermospheric
winds and ion velocities observed over one solar cycle},
journal = {J.\ Geophys.\ Res.},
year = 1996,
volume = 101,
number = {A7},
pages = {15701--15711},
month = {July},
braendstroem = {anasuya1996jgr},
irf = {anasuya1996jgr},
referee = {anasuya1996jgr},
printstatus = {***MISSING***}
}
@article{aso1998eps,
author = {Takehiko Aso and Masaki Ejiri and Akira Urashima and
Hiroshi Miayoka and {\AA}ke Steen and Urban Brändström and
Björn Gustavsson },
title = {First results from auroral tomography from
{{ALIS}}-{J}apan multi-station observations in {M}arch
1995},
journal = {Earth Planets Space},
year = 1998,
volume = 50,
pages = {81--86},
alis = {aso1998eps},
irf = {aso1998eps},
braendstroem = {aso1998eps},
referee = {aso1998eps},
printstatus = {preprint}
}
@inproceedings{aso1998nipr,
author = {Takehiko Aso and Masaki Ejiri and Akira Urashima and
Hiroshi Miyaoka and {\AA}ke Steen and Urban Brändström and
Björn Gustavsson},
title = {Auroral tomography analysis of a folded arc observed at
the {ALIS-JAPAN} multi-station campaign on {M}arch 26,
1995},
booktitle = {Proceedings of the NIPR Symposium on upper atmosphere
Physics},
pages = {1--10},
year = 1998,
volume = 11,
address = {Tokyo},
month = {January},
organization = {National Institute of Polar Research},
alis = {aso1998nipr},
braendstroem = {aso1998nipr},
irf = {aso1998nipr},
referee = {aso1998nipr}
}
@inproceedings{aso1999iaags,
author = {Takehiko Aso and Masaki Ejiri and Akira Urashima and
{\AA}ke Steen and Urban Brändström and Björn Gustavsson},
title = {Auroral tomography of {ALIS} images and related camera
calibrations},
booktitle = {XXV annual European Meeting on Atmospheric Studies by
Optical Methods},
pages = {49},
year = 1999,
publisher = {Instituto de Astrof{\'i}sica de Andalucia, Granada, Spain},
alis = {aso1999iaags},
braendstroem = {aso1999iaags},
irf = {aso1999iaags},
printstatus = {***UNKNOWN***}
}
@article{aso2000asr,
author = {Takehiko Aso and {\AA}ke Steen and Urban Brändström and
Björn Gustavsson and Akira Urashima and Masaki Ejiri},
title = {{ALIS} --- a state of the art optical observation network
for the exploration of polar atmospheric processes},
journal = {Adv.\ Space Res.},
pages = {917--924},
year = 2000,
volume = 26,
number = 6,
alis = {aso2000asr},
braendstroem = {aso2000asr},
irf = {aso2000asr},
referee = {aso2000asr},
printstatus = {preprint}
}
@inproceedings{aso2008irf,
author = {Aso, T. and B. Gustavsson and K. Tanabe and U. Brändström
and T. Sergienko and I. Sandahl},
title = {A proposed {B}ayesian model on the generalized tomographic
inversion of aurora using multi-instrument data},
booktitle = {Proceedings of the 33rd Annual European Meeting on
Atmospheric Studies by Optical Methods},
optcrossref = {},
optkey = {},
pages = {105--111},
year = {2008},
opteditor = {},
volume = {292},
optnumber = {},
optseries = {},
optaddress = {},
optmonth = {},
optorganization = {},
publisher = {Swedish Institute of Space Physics},
optnote = {},
optannote = {},
alis = {aso2008irf},
braendstroem = {aso2008irf},
irf = {aso2008irf},
referee = {aso2008irf}
}
@inproceedings{axelsson2011opa,
author = {K. Axelsson and T. Sergienko and I. Sandahl and U. Brändström},
title = {{A} study on the possibility to deduce the {2D} distribution of the auroral
electron precipitation from multi wavelength optical measurements with
auroral imagers},
booktitle = {Secci{\'o}n Especial: 37th AMASON {\'O}ptica {P}ura y {A}plicada},
optcrossref = {},
optkey = {},
pages = {605--609},
year = {2011},
opteditor = {},
volume = {44},
number = {4},
optseries = {Opt.\ Pura Apl.},
optaddress = {},
optmonth = {},
organization = {Sociedad Espa{\~n}ola de {\'O}ptica},
optpublisher = {},
optnote = {accepted},
optannote = {},
optnote = {accepted},
alis = {axelsson2010opa},
braendstroem = {axelsson2010opa},
irf = {axelsson2010opa},
referee = {axelsson2010opa}
}
@inproceedings{braendstroem1991nssr,
author = {Brändström, Urban and {\AA}ke Steen},
title = {{ALIS} Station architecture},
booktitle = {Proc. NSSR Annual meeting, Klintholm Havn, M{\o}n,
Denmark},
year = 1991,
pages = {111--118},
organization = {Nordic Society for Space Research},
month = {November},
alis = {braendstroem1991nssr},
braendstroem = {braendstroem1991nssr},
irf = {braendstroem1991nssr},
printstatus = {printout}
}
@inproceedings{braendstroem1992irf,
author = {Urban Brändström and {\AA}ke Steen},
title = {Report on the {ALIS} project},
booktitle = {Proc. 19th Annual European meeting on atmospheric studies
by optical methods, Kiruna, Sweden},
year = 1992,
editor = {{\AA}ke Steen},
pages = {310--321},
publisher = {Swedish Institute of Space Physics},
address = {Kiruna, Sweden},
note = {{IRF} {S}cientific Report 209},
alis = {braendstroem1992irf},
braendstroem = {braendstroem1992irf},
irf = {braendstroem1992irf},
printstatus = {copy}
}
@inproceedings{braendstroem1993uih,
author = {Urban Brändström},
title = {Reduction and analysis of astronomical image data from the
'{S}tockholm' {CCD} camera at {NOT} ({N}ordic {O}ptical
{T}elescope).},
booktitle = {Reports of the {N}ordic course on astronomical image
processing},
year = 1993,
editor = {Juhani Huovelin},
pages = {19--26},
organization = {Observatory},
publisher = {University of Helsinki},
month = {August},
note = {Report 3/1993},
braendstroem = {braendstroem1993uih},
irf = {braendstroem1993uih},
printstatus = {printout}
}
@inproceedings{braendstroem1994esa,
author = {Urban Brändström and {\AA}ke Steen},
title = {{ALIS} --- {A} new ground-based facility for auroral
imaging in {N}orthern {S}candinavia},
booktitle = {Proc. 11th Symposium on European rocket and ballon
programmes and related research, Montreux, Switzerland.},
year = 1994,
month = {March},
pages = {301-306},
organization = {European Space Agency},
note = {ESA SP-355},
alis = {braendstroem1994esa},
braendstroem = {braendstroem1994esa},
irf = {braendstroem1994esa},
printstatus = {preprint}
}
@inproceedings{braendstroem1997bst,
author = {Urban Brändström and {\AA}ke Steen and Björn Gustavsson
and Laila Andersson and Ingemar Häggström and Assar Westman
and Asta Pellinen-Wannberg and Takehiko Aso and Kari Kaila
and Charles W. Carlson and David Klumpar and Cindy Catell},
title = {Preliminary results from coordinated measurements by
{FAST} and groundbased optical and radar facilities, in
{N}orthern {S}candinavia, during active auroral conditions},
booktitle = {Proceedings of the 24th annual European Meeting on
Atmospheric Studies by Optical Methods},
pages = {41--46},
year = 1997,
month = {August},
publisher = {Sentraltrykkeriet A/S Bod\o},
note = {{ISBN} 82-994583-0-7},
alis = {braendstroem1997bst},
braendstroem = {braendstroem1997bst},
irf = {braendstroem1997bst},
printstatus = {printout}
}
@inproceedings{braendstroem1997bst:b,
author = {Urban Brändström and {\AA}ke Steen and Björn Gustavsson
and Takehiko Aso},
title = {{ALIS} --- current status, planned developement and
calibration},
booktitle = {Proceedings of the 24th annual European Meeting on
Atmospheric Studies by Optical Methods},
pages = {214--217},
year = 1997,
month = {August},
publisher = {Sentraltrykkeriet A/S Bod\o},
note = {{ISBN} 82-994583-0-7},
alis = {braendstroem1997bst:b},
braendstroem = {braendstroem1997bst:b},
irf = {braendstroem1997bst:b},
printstatus = {printout}
}
@inproceedings{braendstroem1997bst:c,
author = {Urban Brändström and {\AA}ke Steen and Björn Gustavsson
and David Rees and M. J. Harris},
title = {Preliminary results from a comparision of observations of
thermospheric neutral wind patterns and auroral emissions},
booktitle = {Proceedings of the 24th annual European Meeting on
Atmospheric Studies by Optical Methods},
pages = {37--40},
year = 1997,
month = {August},
publisher = {Sentraltrykkeriet A/S Bod\o},
note = {{ISBN} 82-994583-0-7},
alis = {braendstroem1997bst:c},
braendstroem = {braendstroem1997bst:c},
irf = {braendstroem1997bst:c},
printstatus = {printout}
}
@inproceedings{braendstroem1998spie,
author = {Urban Brändström and {\AA}ke Steen and Peter Rydesäter and
Björn Gustavsson and Takehiko Aso},
title = {{ALIS}, a multi station imaging facility with
possibilities of future {VI} applications},
booktitle = {{N}inth workshop on {V}irtual {I}ntelligence / {D}ynamic
neural networks},
pages = {108--114},
year = 1998,
editor = {Thomas Lindbladh, Mary Lou Padget and Jason Kinser},
volume = 3728,
month = {June},
organization = {{R}oyal {I}nstitute of {T}echnology, {S}tockholm,
{S}weden},
publisher = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}},
note = {{ISBN} 0-8194-3202-4},
alis = {braendstroem1998spie},
braendstroem = {braendstroem1998spie},
irf = {braendstroem1998spie},
printstatus = {printout}
}
@inproceedings{braendstroem1999esa,
author = {B. U. E. Brändström and T. B. Leyser and {\AA}. Steen and
M. T. Rietveld and B. Gustavsson and T. Aso and M. Ejiri},
title = {{ALIS} observations of heater induced airglow at high
latitudes},
booktitle = {{P}roceedings 14th {ESA} {S}ymposium on {E}uropean
{R}ocket and {B}alloon {P}rogrammes and {R}elated
{R}esearch},
pages = 389,
year = 1999,
editor = {B.\ Kaldeich-Sch{\"u}rmann},
volume = {SP-437},
month = {May},
organization = {European Space Agency},
note = {{ISBN} 92-9092-748-8},
alis = {braendstroem1999esa},
braendstroem = {braendstroem1999esa},
irf = {braendstroem1999esa},
printstatus = {preprint}
}
@article{braendstroem1999grl,
author = {B. U. E. Brändström and T. B. Leyser and {\AA}. Steen and
M. T. Rietveld and B. Gustavsson and T. Aso and M. Ejiri},
title = {Unambigous evidence of {HF} pump-enhanced airglow},
journal = {Geophys.\ Res.\ Lett.},
year = 1999,
volume = 26,
number = 23,
pages = {3561--3564},
month = {December},
alis = {braendstroem1999grl},
alishl = {braendstroem1999grl},
braendstroem = {braendstroem1999grl},
irf = {braendstroem1999grl},
referee = {braendstroem1999grl},
printstatus = {preprint}
}
@inproceedings{braendstroem2001esa,
author = {Urban Brändström and Björn Gustavsson and {\AA}ke Steen
and Asta Pellinen-Wannberg},
title = {{ALIS} ({A}uroral {L}arge {I}maging {S}ystem) used for
optical observations of the meteor impact process},
booktitle = {{P}roceedings of the {M}eteoroids 2001 {C}onference},
pages = {331--336},
year = 2001,
editor = {Barbara Warmbein},
volume = {SP-495},
optmonth = {},
organization = {European Space Agency},
note = {{ISBN} 92-9092-805-0},
alis = {braendstroem2001esa},
braendstroem = {braendstroem2001esa},
irf = {braendstroem2001esa},
printstatus = {preprint}
}
@phdthesis{braendstroem2003irf,
author = {Urban Brändström},
title = {The {A}uroral {L}arge {I}maging {S}ystem --- {D}esign,
operation and scientific results},
school = {Swedish Institute of Space Physics},
year = 2003,
address = {{K}iruna, {S}weden},
month = {October},
note = {({IRF} {S}cientific {R}eport 279), {ISBN:} 91-7305-405-4},
alis = {braendstroem2003irf},
alishl = {braendstroem2003irf},
braendstroem = {braendstroem2003irf},
irf = {braendstroem2003irf},
referee = {braendstroem2003irf},
printstatus = {printout}
}
@article{braendstroem2003sgp,
author = {Urban Brändström and Torbjörn Lövgren and Arne Moström and
Carl-Fredrik Enell and Björn Gustavsson and Takehiko Aso
and Masaki Ejiri and {\AA}ke Steen and Peter Rydesäter},
title = {Brief report on {ALIS} ({A}uroral {L}arge {I}maging
{S}ystem), a new all-sky camera in {K}iruna and auroral
imaging using a mini-{DV} camcorder},
journal = {Sodankyl{\"a} Geophysical publication series},
year = 2003,
volume = 92,
pages = {89--92},
month = {August},
alis = {braendstroem2003sgp},
braendstroem = {braendstroem2003sgp},
irf = {braendstroem2003sgp},
referee = {braendstroem2003sgp},
printstatus = {copy}
}
@inproceedings{braendstroem2006ras,
author = {Urban Brändström and Ingrid Sandahl and Tima Sergienko and
Asta Pellinen-Wannberg and Björn Gustavsson and M. T.
Rietveld and Takehiko Aso and Åke Steen},
title = {ALIS - highlights, status and future plans},
booktitle = {Physics of Auroral Phenomena},
optcrossref = {},
optkey = {},
pages = {217--220},
year = {2006},
opteditor = {},
volume = {XXIX},
optnumber = {},
series = {Annual seminar Apatity},
optaddress = {},
optmonth = {},
organization = {Kola Science Centre},
publisher = {Russian Academy of Science},
optnote = {{ISBN: 5-91137-009-3}},
optannote = {},
alis = {braendstroem2006ras},
braendstroem = {braendstroem2006ras},
irf = {braendstroem2006ras},
printstatus = {***UNKNOWN***}
}
@inproceedings{braendstroeml2005esa,
author = {Urban Brändström and Björn Gustavsson and Asta
Pellinen-Wannberg and Ingrid Sandahl and Tima Sergienko and
Åke Steen},
title = {Groundbased multi-station spectroscopic imaging with
{ALIS} --- scientific highlights, project status and future
projects},
booktitle = {17th {ESA} {S}ymposium on European Rocket and Balloon
Programmes and Related Research},
pages = {239--244},
year = 2005,
volume = {SP-590},
month = {May},
organization = {European Space Agency},
note = {{ISBN} 92-9092-901-4},
alis = {braendstroem2005esa},
braendstroem = {braendstroem2005esa},
irf = {braendstroem2005esa},
printstatus = {printout}
}
@article{brandstrom2011gid,
author = {B. U. E. Brändström and C.-F. Enell and O. Widell and
and T. Hansson and D. Whiter and S. Mäkinen and
D. Mikhaylova and K. Axelsson and F. Sigernes and
N. Gulbrandsen and N. M. Schlatter and A. G. Gjendem and
L. Cai and J. P. Reistad and M. Daae and T. D. Demissie and
Y. L. Andalsvik and O. Roberts and S. Poluyanov and
S. Chernouss},
title = {Results from the intercalibration of optical low-light calibration sources 2011},
journal = {Geosci.\ Instrum.\ Method.\ Data Syst. Discuss.},
year = {2011},
optkey = {},
optvolume = {1},
optnumber = {},
pages = {91-107},
optmonth = {},
note = {Paper in open discussion phase},
optannote = {},
url = {http://www.geosci-instrum-method-data-syst-discuss.net/1/91/2011/gid-1-91-2011.pdf},
alis = {brandstrom2011gid},
braendstroem = {brandstrom2011gid},
irf = {brandstrom2011gid},
referee = {brandstrom2011gid}
}
@article{dahlgren2011anngeo,
author = {{Dahlgren}, H. and {Gustavsson}, B. and {Lanchester}, B.~S. and
{Ivchenko}, N. and {Br{\"a}ndstr{\"o}m}, U. and {Whiter}, D.~K. and
{Sergienko}, T. and {Sandahl}, I. and {Marklund}, G.},
title = {{Energy and flux variations across thin auroral arcs}},
journal = {Ann.\ Geophys.},
year = 2011,
volume = 29,
pages = {1699-1712},
month = {October},
optnote = {submitted, in press?},
alis = {dahlgren2011anngeo},
braendstroem = {dahlgren2011anngeo},
irf = {dahlgren2011anngeo},
referee = {dahlgren2011anngeo},
doi = {10.5194/angeo-29-1699-2011},
adsurl = {http://adsabs.harvard.edu/abs/2011AnGeo..29.1699D},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
@inproceedings{eide1997esa,
author = {{\AA}ge J. Eide and V. Becanovic and U. Brändström and C.
Holmström and M. Larsson and Inge Morten Lillesand and
Thomas Lindblad and C. S. Lindsey and {\AA}ke Steen and J.
Waldemark},
title = {Pulse coupled neural network pre-processing of aurora
Images},
booktitle = {{AI} Applications in Solar Terrestial Physics},
pages = {201--205},
year = 1997,
volume = {WPP-148},
month = {July},
organization = {European Space Agency},
alis = {eide1997esa},
braendstroem = {eide1997esa},
irf = {eide1997esa},
printstatus = {copy}
}
@inproceedings{enell1999ec,
author = {Carl-Fredrik Enell and {\AA}ke Steen and Björn Gustavsson
and Urban Brändström and Per Johansson and Thomas Wagner
and Udo Frie{\ss} and Klaus Pfeilsticker and Ulrich Platt
and Karl-Heinrich Fricke},
title = {Detection of polar stratospheric clouds at {K}iruna},
booktitle = {Air pollution report 69, {M}esoscale processes in the
stratosphere},
pages = {65--68},
year = 1999,
editor = {K. S. Carslaw and G. T. Amanatidis},
volume = 18912,
organization = {{O}ffice for {O}fficial {P}ublications of the {E}uropean
{C}ommunities},
publisher = {{E}uropean {C}ommission},
address = {{L}uxembourg},
note = {{ISBN} 92-828-4629-6},
alis = {enell1999ec},
braendstroem = {enell1999ec},
irf = {enell1999ec},
printstatus = {copy}
}
@inproceedings{enell1999iaags,
author = {Carl-Fredrik Enell and {\AA}ke Steen and Björn Gustavsson
and Urban Brändström and Per Johansson and Thomas Wagner
and Udo Frie{\ss} and Klaus Pfeilsticker and Ulrich Platt },
title = {Studies of polar stratospheric clouds occurence at
{K}iruna},
booktitle = {XXV annual European Meeting on Atmospheric Studies by
Optical Methods},
pages = {122--126},
year = 1999,
publisher = {Instituto de Astrof{\'i}sica de Andalucia, Granada, Spain},
alis = {enell1999iaags},
braendstroem = {enell1999iaags},
irf = {enell1999iaags},
printstatus = {copy}
}
@inproceedings{enell1999spie,
author = {Carl-Fredrik Enell and Björn Gustavsson and {\AA}ke Steen
and Urban Brändström and Peter Rydesäter and P. Johansson
and T. Wagner and U. Friess and K. Pfeilsticker and U.
Platt},
title = {Optical studies of polar stratospheric clouds},
booktitle = {Proceedings of {SPIE}, Satellite remote sensing of clouds
and the atmosphere IV},
pages = {290--297},
year = 1999,
editor = {Jaqueline E.\ Russell},
volume = 3867,
month = {September},
publisher = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}},
alis = {enell1999spie},
braendstroem = {enell1999spie},
irf = {enell1999spie},
printstatus = {copy}
}
@article{enell2000pce,
author = {Carl-Fredrik Enell and Björn Gustavsson and {\AA}ke Steen
and Urban Brändström and Peter Rydesäter},
title = {Multistatic Imaging and Optical Modelling of Nacreous
Clouds},
journal = {Phys.\ Chem.\ Earth},
pages = {451--457},
year = 2000,
annote = {Proceedings of the 26th Annual European Meeting on
Atmospheric Studies by Optical Methods},
volume = 25,
number = {5-6},
alis = {enell2000pce},
braendstroem = {enell2000pce},
irf = {enell2000pce},
referee = {enell2000pce},
printstatus = {preprint}
}
@article{enell2003anngeo,
author = {Carl-Fredrik Enell and Urban Brändström and
Bj{\"o}rn Gustavsson and Sheila Kirkwood and Kerstin Stebel
and {\AA}ke Steen},
title = {Case studies of the development of polar stratospheric
clouds using bistatic imaging},
journal = {Ann.\ Geophys.},
year = 2003,
volume = 21,
pages = {1869--1878},
url = {http://www.copernicus.org/EGU/annales/21/1869.htm},
pdf = {http://www.cosis.net/members/onlib/request.php?file=EGU/ANG/2003/8/ang-21-1869.pdf},
alis = {enell2003anngeo},
braendstroem = {enell2003anngeo},
irf = {enell2003anngeo},
referee = {enell2003anngeo},
printstatus = {draft}
}
@misc{enell2010am,
author = {C.-F. Enell and B. Gustavsson and T. Sergienko and U. Br{\"a}ndstr{\"o}m and I. Sandahl},
title = {{ALIS} volume estimates of the 4278 and 5577 {{\AA}} intensities, with applications},
howpublished = {Talk, 37th Annual {European} meeting on Atmospheric Studies by Optical Methods, Valladolid, Spain},
month = {August},
year = 2010,
abstract = {
In this study applications of remote sensing of auroral volume emissions are investigated. Data from the Auroral Large Imaging System (ALIS) cameras at field stations in northern Sweden and Norway
are used to calculate tomography-like estimates of the N2+(1N) emission at 4278~{\AA} and the O(1S) emission att 5577~{\AA}.
Applications of the spectroscopic ratios include 1) estimates of electron energy spectra, which have applications in auroral theory and in estimating ionisation rates for incoherent scatter radar and ion chemistry model studies and 2) direct estimates of the chemical composition of the lower thermosphere, as the 5577 emission is excited at least partly through chemistry.},
alis = {enell2010am},
irf = {enell2010am},
braendstroem = {enell2010am}
}
@misc{enell2010nordauropt,
author = {Carl-Fredrik Enell and Jonas Hedin and Jacek Stegman and Georg Witt and Martin Friedrich and Werner Singer and Gerd Baumgarten and Bernd Kaifler and Ulf-Peter Hoppe and Bj{\"o}rn Gustavsson and Urban Br{\"a}ndstr{\"o}m and Mikhail Khaplanov and Antti Kero and Thomas Ulich and Esa Turunen},
title = {{Hotel} {Payload} 2 measurements of {NO}, {O} and electron density},
howpublished = {Talk, 4th NordAuropt workshop, Apatity, Russia},
month = {May},
year = 2010,
abstract = {A summary of the submitted JASTP paper on HotPay2 was given at the 4th NordAuropt workshop},
pdf = {http://documents.irf.se/get_document.php?path=P2/NORDOPT/hp2JASTPsummary},
alis = {enell2010nordauropt},
irf = {enell2010nordauropt},
braendstroem = {enell2010nordauropt}
}
@misc{enell2010nordauroptb,
author = {Carl-Fredrik Enell and Torsten Aslaksen and Urban Br{\"a}ndstr{\"o}m and Hanna Dahlgren and Bj{\"o}rn Gustavsson and Nickolay Ivchenko and Noora Partamies and Ingrid Sandahl},
title = {A collaborative ground-based optical infrastructure for space and atmospheric studies in the Barents region},
howpublished = {Talk, 4th NordAuropt workshop, Apatity, Russia},
month = {May},
year = 2010,
pdf = {http://documents.irf.se/get_document.php?path=P2/NORDOPT/OpticalInfrastructure},
alis = {enell2010nordauroptb},
irf = {enell2010nordauroptb},
braendstroem = {enell2010nordauroptb}
}
@article{enell2011jastp,
author = {Carl-Fredrik Enell and Jonas Hedin and Jacek Stegman and Georg Witt and Martin Friedrich and Werner Singer and Gerd Baumgarten and Bernd Kaifler and Ulf-Peter Hoppe and Bj{\"o}rn Gustavsson and Urban Br{\"a}ndstr{\"o}m and Mikhail Khaplanov and Antti Kero and Thomas Ulich and Esa Turunen},
title = {The {H}otel {P}ayload 2 campaign: {O}verview of {NO}, {O} and electron density measurements in the upper mesosphere and lower thermosphere},
journal = {J.\ Atmos.\ Solar and Terr.\ Phys.},
volume = 73,
pages = {2228--2236},
year = 2011,
doi = {10.1016/j.jastp.2011.01.001},
url = {http://dx.doi.org/10.1016/j.jastp.2011.01.001},
alis = {enell2011jastp},
braendstroem = {enell2011jastp},
irf = {enell2011jastp},
referee = {enell2011jastp}
}
@misc{enell2011op,
author = {Carl-Fredrik Enell and Noora Partamies and Sanna M{\"a}kinen and Jyrki Mattanen and Laureline Sangalli and Mika Veijonsuo and Bj{\"o}rn Gustavsson and Urban Br{\"a}ndstr{\"o}m and Torsten Aslaksen},
title = {{EMCCD} cameras for auroral imaging},
howpublished = {Optics Days 2011, Oulu, Finland},
month = {May},
year = 2011,
abstract = {During recent years several research institutes in northern Fennoscandia have deployed imaging instruments of a new generation, electron multiplying charge coupled devices (EMCCDs), for imaging the northern lights (Aurora Borealis). EMCCDs eliminate readout noise by on-chip electron multiplication before the readout amplifier, and therefore the much higher quantum efficiency of the bare CCD as compared with image-intensified cameras can be utilized[1]. Therefore EMCCDs allow high-speed imaging or imaging of very weak emissions, improving the understanding of plasma-physical processes in the Earth's environment and auroral energy deposition into the atmosphere. Other applications include meteor and airglow research.
Challenges in the use of these instruments include
1. Geometrical calibration (i.e. modelling the projection from geographical to pixel coordinates). A study of different projection models based on star mapping is presented.
2. Intensity calibration, including flat-field and absolute radiometric calibration. The use of star spectra for this purpose is discussed.},
alis = {enell2011op},
irf = {enell2011op},
braendstroem = {enell2011op}
}
@article{enell2012tomography,
author = {Enell, C.-F. and Gustavsson, B. and Br{\"a}ndstr{\"o}m, B. U. E. and Sergienko, T. I. and Verronen, P. T. and Rydes{\"a}ter, P. and Sandahl, I.},
title = {Tomography-like retrieval of auroral volume emission ratios for the 31 January 2008 Hotel Payload 2 event},
journal = {Geosci.\ Instrum.\ Method.\ Data Syst. Discuss.},
year = {2012},
optkey = {},
volume = {2},
optnumber = {},
pages = {1-21},
optmonth = {},
optnote = {},
optannote = {},
url = {http://www.geosci-instrum-method-data-syst-discuss.net/2/1/2012/gid-2-1-2012.pdf},
alis = {enell2012tomography},
braendstroem = {enell2012tomography},
irf = {enell2012tomography},
referee = {enell2012tomography}
}
@article{golovchanskaya2008jgr,
author = {Golovchanskaya, I. V. and B. V. Kozelov and T. I.
Sergienkoand U. Brändström and H. Nilsson and I. Sandahl},
title = {Scaling behavior of auroral luminosity fluctuations
observed by {ALIS}},
journal = {J.\ Geophys.\ Res.},
year = {2008},
optkey = {},
volume = {113},
number = {A10303},
optpages = {},
optmonth = {},
optnote = {doi: 10.1029/2008JA013217},
doi = {10.1029/2008JA013217},
optannote = {},
alis = {golovchanskaya2008jgr},
braendstroem = {golovchanskaya2008jgr},
irf = {golovchanskaya2008jgr},
referee = {golovchanskaya2008jgr},
printstatus = {***UNKNOWN***}
}
@article{gustavsson2001jgr,
author = {B. Gustavsson and T. Sergienko and M. T. Rietveld and F.
Honary and {\AA} Steen and B. U. E. Brändström and T. B.
Leyser and A. L. Aruliah and T. Aso and M. Ejiri},
title = {First Tomographic estimate of volume distribution of
enhanced airglow emission caused by {HF} pumping},
journal = {J.\ Geophys.\ Res.},
year = 2001,
volume = 106,
number = {A12},
pages = {29105--29123},
month = {December},
alis = {gustavsson2000jgr},
alishl = {gustavsson2000jgr},
braendstroem = {gustavsson2000jgr},
irf = {gustavsson2000jgr},
referee = {gustavsson2000jgr},
printstatus = {***MISSING***}
}
@article{gustavsson2001pce,
author = {Björn Gustavsson and {\AA}. Steen and T. Sergienko and B.
U. E. Brändström},
title = {Estimate of auroral electron spectra, the power of
ground-based multi-station optical measurements},
journal = {Phys.\ Chem.\ Earth},
year = 2001,
volume = 26,
number = {1-3},
pages = {189-194},
alis = {gustavsson2001pce},
alishl = {gustavsson2001pce},
braendstroem = {gustavsson2001pce},
irf = {gustavsson2001pce},
referee = {gustavsson2001pce},
printstatus = {***MISSING***}
}
@article{gustavsson2002grl,
author = {Björn Gustavsson and Berndt Urban Eug{\'e}n Brändström and
{\AA}ke Steen and Timophey Sergienko and Thomas B. Leyser
and M. T. Rietveld and Takehiko Aso and Masaki Ejiri},
title = {Nearly simultaneous images of {HF}-pump enhanced airglow
at 6300 {{\AA}} and 5577 {{\AA}}},
journal = {Geophys.\ Res.\ Lett.},
year = 2002,
volume = 29,
number = 24,
pages = {2220},
optmonth = {January},
note = {paper No. 10.1029/2002GL015350},
alis = {gustavsson2002grl},
alishl = {gustavsson2002grl},
braendstroem = {gustavsson2002grl},
irf = {gustavsson2002grl},
referee = {gustavsson2002grl},
printstatus = {***MISSING***}
}
@article{gustavsson2005anngeo,
author = {Gustavsson, B. and Sergienko, T. and Kosch, M. J. and
Rietveld, M. T. and Brändström, B. U. E. and
Leyser, T. B. and Isham, B. and Gallop, P. and Aso, T. and
Ejiri, M. and Steen, {{\AA}}. and Grydeland, T. and la Hoz,
C. and Kaila, K. and Jussila, J. and Holma, H.},
title = {The electron distribution during {H}{F} pumping, a picture
painted with all colors},
journal = {Ann.\ Geophys.},
year = 2005,
volume = 23,
number = 5,
pages = {1747--1754},
url = {http://www.copernicus.org/EGU/annales/23/1747.htm},
pdf = {http://www.cosis.net/members/onlib/request.php?file=EGU/ANG/2005/5/ag-23-1747.pdf},
keywords = {electron distribution, artificial airglow, active
experiments},
abstract = {The shape of the electron energy distribution has long
been a central question in the field of high-frequency
radio-induced optical emission experiments. This report
presents estimates of the electron energy distribution
function, $f_e(E)$, from 0 to 60~{eV} based on optical
multi-wavelength (6300, 5577, 8446, 4278~{\AA}) data and
930-{MHz} incoherent scatter radar measurements of ion
temperature, electron temperature and electron
concentration. According to our estimate, the electron
energy distribution has a depression at around 2~{eV},
probably caused by electron excitation of vibrational
states in N$_2$, and a high energy tail that is clearly
supra-thermal. The temporal evolution of the emissions
indicates that the electron temperature still plays an
important role in providing electrons with energies close
to 2~{eV}. At the higher energies the electron energy
distribution has a non-thermal tail.},
alis = {gustavsson2005anngeo},
braendstroem = {gustavsson2005anngeo},
irf = {gustavsson2005anngeo},
referee = {gustavsson2005anngeo},
printstatus = {***UNKNOWN***}
}
@article{gustavsson2006prl,
author = {Björn Gustavsson and T. B. Leyser and M. Kosch and M. T.
Rietveld and Åke Steen and Berndt Urban Eugén Brändström
and Takehiko Aso},
title = { Electron Gyroharmonic Effects in Ionization and Electron
Acceleration during High-Frequency Pumping in the
Ionosphere},
journal = {Phys.\ Rev.\ Lett.},
year = 2006,
optkey = {},
volume = {97},
number = {195002},
optpages = {},
optmonth = {},
optnote = {(accepted)},
optannote = {},
alis = {gustavsson2006prl},
braendstroem = {gustavsson2006prl},
irf = {gustavsson2006prl},
referee = {gustavsson2006prl},
printstatus = {printout}
}
@article{gustavsson2008jgr:a,
author = {{Gustavsson}, B. and {Kosch}, M.~J. and {Senior}, A. and
{Kavanagh}, A.~J. and {Br{\"a}ndstr{\"o}m}, B.~U.~E. and
{Blixt}, E.~M.},
title = {{Combined EISCAT radar and optical multispectral and
tomographic observations of black aurora}},
journal = {J.\ Geophys.\ Res.},
keywords = {Atmospheric Composition and Structure: Airglow and aurora,
Magnetospheric Physics: Energetic particles: precipitating,
Magnetospheric Physics: Electric fields (2411), Ionosphere:
Ionosphere/magnetosphere interactions (2736)},
year = 2008,
month = jun,
volume = 113,
number = {A12},
pages = {A06308},
doi = {10.1029/2007JA012999},
url = {http://www.agu.org/pubs/crossref/2008/2007JA012999.shtml},
abstract = {Black auroras are recognized as spatially well-defined
regions within a uniform diffuse auroral background where
the optical emission is significantly reduced. Black
auroras typically appear post-magnetic midnight and during
the substorm recovery phase, but not exclusively so. We
report on the first combined multimonochromatic optical
imaging, bistatic white-light TV recordings and incoherent
scatter radar observations of black aurora by EISCAT of the
phenomenon. From the relatively larger reduction in
luminosity at 4278~{{\AA}} than at 8446~{{\AA}} we show
that nonsheared black auroras are most probably not caused
by downward directed electrical fields at low altitude.
From the observations, we determine this by relating the
height and intensity of the black aurora to precipitating
particle energy within the surrounding background diffuse
aurora. The observations are more consistent with an energy
selective loss cone. Hence the mechanism causing black
aurora is most probably active in the magnetosphere rather
than close to Earth.},
adsurl = {http://adsabs.harvard.edu/abs/2008JGRA..11306308G},
adsnote = {Provided by the SAO/NASA Astrophysics Data System},
alis = {gustavsson2008jgr:a},
braendstroem = {gustavsson2008jgr:a},
irf = {gustavsson2008jgr:a},
referee = {gustavsson2008jgr:a},
printstatus = {***UNKNOWN***}
}
@inproceedings{hedin1999hikr,
author = {M. Hedin and I. Häggström and Asta Pellinen-Wannberg and
I. Häggström and Laila Andersson and Urban Brändström and
Björn Gustavsson and {\AA}ke Steen and Assar Westman and
Gudmund Wannberg and Tony van Eyken and Takehiko Aso and
Cynthia Cattell and Charles W. Carlson and Dave Klumpar},
title = {Trough observations with the {EISCAT} radars, {ALIS}
auroral imaging system and {FAST} satellite},
booktitle = {Proceedings of {R}adio{V}etenskap och {K}ommunikation 99},
pages = {113--117},
year = 1999,
editor = {Jan-Olof Gustavsson},
volume = 1,
address = {Karlskrona, Sweden},
month = {June},
organization = {H{\"o}gskolan i Karlskrona/Ronneby},
note = {{ISBN 91-630-8156-3}},
alis = {hedin1999hikr},
braendstroem = {hedin1999hikr},
irf = {hedin1999hikr},
printstatus = {copy}
}
@article{hedin2000apuar,
author = {M. Hedin and I. Häggström and Asta Pellinen-Wannberg and
I. Häggström and Laila Andersson and Urban Brändström and
Björn Gustavsson and {\AA}ke Steen and Assar Westman and
Gudmund Wannberg and Tony van Eyken and Takehiko Aso and
Cynthia Cattell and Charles W. Carlson and Dave Klumpar},
title = {{3-D} extent of the main ionospheric trough ---a case
study},
journal = {Adv. Polar Upper Atmos. Res.},
year = 2000,
volume = 14,
pages = {157--162},
month = {August},
alis = {hedin1999hikr},
braendstroem = {hedin1999hikr},
irf = {hedin1999hikr},
referee = {hedin1999hikr},
printstatus = {copy}
}
@inbook{instrkurs2000irf,
optauthor = {U. Brändström and Carl-Fredrik Enell and Kerstin Stebel
and Uwe Raffalski and Thomas Wagner},
editor = {Solveig H. H{\o}ymork},
title = {Sensors and Instruments for Space Exploration},
chapter = {6. Measurements by optical methods},
publisher = {Swedish Institute of Space Physics},
year = 2000,
address = {Kiruna},
edition = 2,
pages = {71--119},
alis = {instrkurs2000irf},
braendstroem = {instrkurs2000irf},
irf = {instrkurs2000irf},
printstatus = {***MISSING***}
}
@article{kirkwood2002grl,
author = {S. Kirkwood and V. Barabash and B. U. E. Brändström and A.
Moström and K. Stebel and N. Mitchell and W. Hocking},
title = {Noctilucent clouds, {PMSE} and 5-day planetary waves: a
case study},
journal = {Geophys.\ Res.\ Lett.},
year = 2002,
volume = 29,
number = 10,
pages = {50-1--4},
braendstroem = {kirkwood2002grl},
irf = {kirkwood2002grl},
referee = {kirkwood2002grl},
printstatus = {copy}
}
@article{knudsen1993jgr,
author = {David J. Knudsen and G. Haerendel and Stefan Buchert and
M.C. Kelley and {\AA}. Steen and U. Brändström},
title = {Incoherent scatter radar spectrum distorsions from intense
auroral turbulence},
journal = {J.\ Geophys.\ Res.},
volume = 98,
pages = {9459--9471},
year = 1993,
braendstroem = {knudsen1993jgr},
irf = {knudsen1993jgr},
referee = {knudsen1993jgr},
printstatus = {copy}
}
@inproceedings{lamy2010characterizing,
title = {Characterizing magnetospheric electrons from ALIS observations of discrete auroral arcs and quasi-stationary modeling of auroral acceleration},
author = {Lamy, H. and Simon, C. and Echim, M. and de Keyser, JM and Gustavsson, B. and Sergienko, T. and Sandahl, I. and Brändström, U.},
booktitle = {AGU Fall Meeting Abstracts},
volume = {1},
pages = {1878},
year = {2010},
alis = {lamy2010characterizing},
braendstroem = {lamy2010characterizing},
irf = {lamy2010characterizing}
}
@inproceedings{lamy2010coordinated,
title = {Coordinated observations of auroral arcs with ALIS and EISCAT},
author = {Lamy, H. and Simon, C. and Gustavsson, B. and de Keyser, J. and Sergienko, T. and Brändström, U. and Sandahl, I.},
booktitle = {38th COSPAR Scientific Assembly},
volume = {38},
pages = {1146},
year = {2010},
alis = {lamy2010coordinated},
braendstroem = {lamy2010coordinated},
irf = {lamy2010coordinated}
}
@article{leyser2000apuar,
author = {T. B. Leyser and B. Gustavsson and B. U. E. Brändström and
{\AA}. Steen, F. Honary and M. T. Rietveld, Takehiko Aso
and Masaki Ejiri},
title = {Simultaneous measurements of high-frequency pump-enhanced
airglow and ionospheric temperatures at auroral latitudes},
journal = {Adv. Polar Upper Atmos. Res.},
pages = {1--11},
year = 2000,
volume = 14,
alis = {leyser2000apuar},
braendstroem = {leyser2000apuar},
irf = {leyser2000apuar},
referee = {leyser2000apuar},
printstatus = {preprint}
}
@inproceedings{leyser2002ursi,
author = {T. B. Leyser and B. U. E. Brändström and B. Gustavsson and
T. Sergienko and M. T. Rietveld},
title = {Enhanced airglow by high frequency electromagnetic pumping
with the {EISCAT} heating facility and observed by the
multi-station auroral large imaging system {ALIS}},
booktitle = {URSI},
xoptpages = {},
year = 2002,
xopteditor = {},
xoptvolume = {},
xoptnumber = {},
xoptseries = {},
xoptaddress = {},
xoptmonth = {},
organization = {URSI},
xoptpublisher = {},
note = {paper 815, 2002},
alis = {leyser2002ursi},
referee = {leyser2002ursi},
braendstroem = {leyser2002ursi},
irf = {leyser2002ursi},
printstatus = {draft}
}
@article{pellinen2004grl,
author = {Asta Pellinen-Wannberg and Edmond Murad and Björn
Gustavsson and Urban Brändström and Carl-Fredrik Enell and
Christopher Roth and Iwan P. Williams and {\AA}ke Steen},
title = {Optical observations of water in {L}eonid meteor trails},
journal = {Geophys.\ Res.\ Lett.},
year = {2004},
optkey = {},
volume = {31},
optnumber = {},
optpages = {},
month = {February},
optannote = {},
pdf = {http://www.agu.org/journals/gl/gl0403/2003GL018785/2003GL018785.pdf},
optnote = {doi:10.1029/2003GL018785},
doi = {10.1029/2003GL018785},
alis = {pellinen2004grl},
braendstroem = {pellinen2004grl},
irf = {pellinen2004grl},
referee = {pellinen2004grl},
printstatus = {printout}
}
@article{pudovkin1997ssr,
author = {Michael I. Pudovkin and {\AA}ke Steen and Urban
Brändström},
title = {Vorticity in the magnetospheric plasma and its signature
in the Aurora dynamics.},
journal = {Space Science Rev.},
volume = 80,
pages = {411-444},
year = 1997,
alis = {pudovkin1997ssr},
braendstroem = {pudovkin1997ssr},
irf = {pudovkin1997ssr},
referee = {pudovkin1997ssr},
printstatus = {draft}
}
@inproceedings{pudovkin1998spie,
author = {M. I. Pudovkin and {\AA}ke Steen and N. V. Nikolaev and O.
I. Kornilov and Urban Brändström and Björn Gustavsson and
Peter Rydesäter},
title = {Automatic recognition of Auroral forms},
booktitle = {{N}inth workshop on {V}irtual {I}ntelligence / {D}ynamic
neural networks},
pages = {121--127},
year = 1998,
editor = {Thomas Lindbladh, Mary Lou Padget and Jason Kinser},
volume = 3728,
month = {June},
organization = {{R}oyal {I}nstitute of {T}echnology, {S}tockholm,
{S}weden},
publisher = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}},
note = {{ISBN} 0-8194-3202-4},
alis = {pudovkin1998spie},
braendstroem = {pudovkin1998spie},
irf = {pudovkin1998spie},
printstatus = {printout}
}
@article{rees2000grl,
key = {rees2000grl},
author = {David Rees and Mark Conde and {\AA}ke Steen and Urban
Brändström},
title = {The first daytime Ground-Based Optical Image of the
Aurora},
journal = {Geophys.\ Res.\ Lett.},
pages = {313--316},
year = 2000,
month = {February},
volume = 27,
number = 3,
alis = {rees2000grl},
alishl = {rees2000grl},
braendstroem = {rees2000grl},
irf = {rees2000grl},
referee = {rees2000grl},
printstatus = {preprint}
}
@inproceedings{rydesaeter1997esa,
author = {Peter Rydesäter and {\AA}ke Steen and Björn Gustavsson and
Thomas Lindblad},
title = {Application of selective imaging techniques to
multi-station imaging},
booktitle = {2nd workshop on {AI} Applications in Solar Terrestial
Physics},
pages = {195--199},
year = 1997,
volume = {WPP-148},
month = {July},
organization = {European Space Agency},
alis = {rydesaeter1997esa},
braendstroem = {rydesaeter1997esa},
irf = {rydesaeter1997esa},
printstatus = {copy}
}
@inproceedings{rydesaeter1998spie,
author = {Peter Rydesäter and {\AA}ke Steen and Urban Brändström and
Björn Gustavsson},
title = {Classifying auroras using artificial neural networks},
booktitle = {{N}inth workshop on {V}irtual {I}ntelligence / {D}ynamic
neural networks},
pages = {115--120},
year = 1998,
editor = {Thomas Lindbladh, Mary Lou Padget and Jason Kinser},
volume = 3728,
month = {June},
organization = {{R}oyal {I}nstitute of {T}echnology, {S}tockholm,
{S}weden},
publisher = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}},
note = {{ISBN} 0-8194-3202-4},
alis = {rydesaeter1998spie},
braendstroem = {rydesaeter1998spie},
irf = {rydesaeter1998spie},
printstatus = {***MISSING***}
}
@article{rydesaeter2003sgp,
author = {Peter Rydesäter and Björn Gustavsson and Urban Brändström
and {\AA}ke Steen},
title = {Lossy compression of scientific images of aurora},
journal = {Sodankyl{\"a} Geophysical publication series},
year = 2003,
volume = 92,
pages = {1--4},
month = {August},
alis = {rydesaeter2003sgp},
braendstroem = {rydesaeter2003sgp},
irf = {rydesaeter2003sgp},
printstatus = {***MISSING***}
}
@article{safargaleev2009electric,
title = {Electric field enhancement in an auroral arc according to the simultaneous radar (EISCAT) and optical (ALIS) observations},
author = {Safargaleev, VV and Sergienko, TI and Kozlovsky, AE and Sandahl, I. and Br{\"a}ndstr{\"o}m, U. and Shibaeva, DN},
journal = {Geomagnetism and Aeronomy},
volume = {49},
number = {3},
pages = {353--367},
year = {2009},
publisher = {Springer},
alis = {safargaleev2009electric},
braendstroem = {safargaleev2009electric},
irf = {safargaleev2009electric},
referee = {safargaleev2009electric}
}
@inproceedings{sandahl2005esa,
author = {Ingrid Sandahl and Urban Brändström and Björn Gustavsson
and Tima Sergienko},
title = {International network for auroral optical studies of the
polar ionosphere},
booktitle = {17th {ESA} {S}ymposium on European Rocket and Balloon
Programmes and Related Research},
pages = {607--612},
year = 2005,
volume = {SP-590},
month = {May},
organization = {European Space Agency},
note = {{ISBN} 92-9092-901-4},
alis = {sandahl2005esa},
braendstroem = {sandahl2005esa},
irf = {sandahl2005esa},
printstatus = {printout}
}
@article{sandahl2008jastp,
author = {Sandahl, I. and T. Sergienko and U. Brändström },
title = {Fine structure of optical aurora},
journal = {J.\ Atmos.\ Solar and Terr.\ Phys.},
year = {2008},
optkey = {},
volume = {70},
optnumber = {},
pages = {2275--2292},
optmonth = {},
optnote = {doi:10.1016/j.jastp.2008.08.016},
doi = {10.1016/j.jastp.2008.08.016},
optannote = {},
alis = {sandahl2008jastp},
braendstroem = {sandahl2008jastp},
irf = {sandahl2008jastp},
referee = {sandahl2008jastp},
printstatus = {***UNKNOWN***}
}
@proceedings{sandahl2009nmr,
title = {{I}n the light of the aurora, {O}ptical research in
northernmost {E}urope},
year = 2009,
editor = {Sandahl, I.},
volume = 557,
optnumber = 557,
series = {TemaNord},
address = {Copenhagen},
organization = {Nordic Council of {M}inisters},
publisher = {Copenhagen},
note = {http://www.norden.org/sv/publikationer/publikationer/2009-557},
alis = {sandahl2009nmr},
irf = {sandahl2009nmr}
}
@inproceedings{sandahl2010deducing,
title = {Deducing spatial properties of auroral primary particle distributions from ground-based optical imaging},
author = {Sandahl, I. and Sergienko, T. and Axelsson, K. and Gustavsson, B. and Brändström, U.},
booktitle = {AGU Fall Meeting Abstracts},
volume = {1},
pages = {1885},
year = {2010},
alis = {sandahl2010deducing},
braendstroem = {sandahl2010deducing},
irf = {sandahl2010deducing}
}
@article{sandahl2010ijrs,
author = {Sandahl, I. and U. Brändström and T. Sergienko},
title = {Fine structure of aurora},
journal = {Int.\ J.\ Remote Sensing},
year = {2010},
optkey = {},
optvolume = {},
optnumber = {},
optpages = {},
optmonth = {},
optnote = {{A}ccepted for publication. {I}n press},
optannote = {}
}
@article{sandahl2011fine,
title = {Fine structure of aurora},
author = {Sandahl, I. and Br{\"a}ndstr{\"o}m, U. and Sergienko, T.},
journal = {Int.\ J.\ Remote Sensing},
volume = {32},
number = {11},
pages = {2947--2972},
year = {2011},
publisher = {Taylor \& Francis},
alis = {sandahl2011fine},
braendstroem = {sandahl2011fine},
irf = {sandahl2011fine},
referee = {sandahl2011fine}
}
@inproceedings{sandahl2011opa,
author = {Sandahl, I. and U. Brändstöm and T. Sergienko},
title = {Networks of people and infrastructure for ground-based auroral research},
booktitle = {Secci{\'o}n Especial: 37th AMASON {\'O}ptica {P}ura y Aplicada)},
optcrossref = {},
optkey = {},
pages = {581--591},
year = {2011},
opteditor = {},
volume = {44},
number = {4},
series = {Opt.\ Pura Apl.},
optaddress = {},
optmonth = {},
organization = {Sociedad Espa{\~n}ola de {\'O}ptica},
optpublisher = {},
optnote = {accepted},
optannote = {},
alis = {sandahl2011opa},
braendstroem = {sandahl2011opa},
irf = {sandahl2011opa},
referee = {sandahl2011opa}
}
@article{sergienko2000pce,
author = {T. Sergienko and B. Gustavsson and {{\AA}}. Steen and U.
Brändström and M. Rietveld and T. Leyser and F. Honary},
title = {Analysis of excitation of the 630.0 nm airglow during
heating experiment in {T}roms{\o} on {F}ebruary 16, 1999},
journal = {Phys.\ Chem.\ Earth},
year = 2000,
volume = 25,
xoptnumber = {},
pages = {531--535},
xoptmonth = {},
alis = {sergienko2000pce},
braendstroem = {sergienko2000pce},
irf = {sergienko2000pce},
referee = {sergienko2000pce},
printstatus = {***MISSING***}
}
@article{sergienko2008anngeo,
author = {Sergienko, T. and I. Sandahl and B. Gustavsson and U.
Brändström and L. Andersson and Å. Steen},
title = {{A} study of fine structure of diffuse aurora with {ALIS-FAST}
measurements},
journal = {Ann.\ Geophys.},
year = {2008},
optkey = {},
volume = {26},
optnumber = {},
pages = {3185--3195},
month = {October},
optnote = {},
optannote = {},
abstract = {We present results of an investigation of the fine
structure of the night sector diffuse auroral zone,
observed simultaneously with optical instruments (ALIS)
from the ground and the FAST electron spectrometer from
space 16 February 1997. Both the optical and particle data
show that the diffuse auroral zone consisted of two
regions. The equatorward part of the diffuse aurora was
occupied by a pattern of regular, parallel auroral stripes.
The auroral stripes were significantly brighter than the
background luminosity, had widths of approximately 5 km and
moved southward with a velocity of about 100 m/s. The
second region, located between the region with auroral
stripes and the discrete auroral arcs to the north, was
filled with weak and almost homogeneous luminosity, against
which short-lived auroral rays and small patches appeared
chaotically. From analysis of the electron differential
fluxes corresponding to the different regions of the
diffuse aurora and based on existing theories of the
scattering process we conclude the following: Strong pitch
angle diffusion by electron cyclotron harmonic waves (ECH)
of plasma sheet electrons in the energy range from a few
hundred eV to 3 4 keV was responsible for the electron
precipitation, that produced the background luminosity
within the whole diffuse zone. The fine structure,
represented by the auroral stripes, was created by
precipitation of electrons above 3 4 keV as a result of
pitch angle diffusion into the loss cone by whistler mode
waves. A so called },
adsurl = {http://adsabs.harvard.edu/abs/2008AnGeo..26.3185S},
adsnote = {Provided by the SAO/NASA Astrophysics Data System},
alis = {sergienko2008anngeo},
braendstroem = {sergienko2008anngeo},
irf = {sergienko2008anngeo},
referee = {sergienko2008anngeo},
printstatus = {***UNKNOWN***}
}
@inproceedings{simon2010discrete,
title = {Discrete auroral arcs: coordinated ALIS-EISCAT observations and modelling},
author = {Simon, C. and Lamy, H. and Gustavsson, B. and de Keyser, JM and Sergienko, T. and Brändström, U. and Sandahl, I.},
booktitle = {AGU Fall Meeting Abstracts},
volume = {1},
pages = {1713},
year = {2010},
alis = {simon2010discrete},
braendstroem = {simon2010discrete},
irf = {simon2010discrete}
}
@inproceedings{steen1990nssr,
author = {{\AA}ke Steen and Urban Brändström and Kari Kaila},
title = {{A} Scientific and technical description of {ALIS}},
booktitle = {Proc. {NSSR} Annual meeting {B}olkesj\o, {N}orway},
year = 1990,
pages = {153--164},
organization = {Nordic Society for Space Research},
month = {November},
alis = {steen1990nssr},
braendstroem = {steen1990nssr},
irf = {steen1990nssr},
printstatus = {printout}
}
@inproceedings{steen1992esa,
author = {{\AA}ke Steen and Urban Brändström},
title = {requirements on {CCD}-detectors for ground-based auroral
imaging},
booktitle = {Proc. ESA symposium on photon detectors for space
instrumentation},
year = 1992,
pages = {379--382},
organization = {European Space Agency},
address = {ESTEC, The Netherlands},
month = {December},
note = {ESA-SP-356},
alis = {steen1992esa},
braendstroem = {steen1992esa},
irf = {steen1992esa},
printstatus = {preprint}
}
@article{steen1993stepin,
author = {{\AA}ke Steen and U. Brändström},
title = {A multi station ground-based imaging system at high
latitudes},
journal = {STEP Int.\ Newslett.},
volume = 3,
number = 5,
pages = {11-14},
month = {May},
year = 1993,
alis = {steen1993step},
braendstroem = {steen1993step},
irf = {steen1993step},
printstatus = {printout}
}
@inproceedings{steen1996sgo,
author = {{\AA}ke Steen and Urban Brändström and Björn Gustavsson},
title = {Multi station imaging studies together with the {\O}rsted
satellite},
booktitle = {Proc. {\O}rsted meeting. Sodankylä, Finland },
year = 1996,
month = {April},
alis = {steen1996sgo},
braendstroem = {steen1996sgo},
irf = {steen1996sgo},
printstatus = {printout}
}
@inproceedings{steen1997bst,
author = {{\AA}ke Steen and Urban Brändström and Björn Gustavsson
and Takehiko Aso},
title = {A multistation approach in the {B}arents region},
booktitle = {Proceedings of the 24th annual European Meeting on
Atmospheric Studies by Optical Methods},
pages = {203--206},
year = 1997,
month = {August},
publisher = {Sentraltrykkeriet A/S Bod\o},
alis = {steen1997bst},
braendstroem = {steen1997bst},
irf = {steen1997bst},
printstatus = {printout}
}
@inproceedings{steen1997esa,
author = {{\AA}ke Steen and Urban Brändström and Björn Gustavsson},
title = {{ALIS} --- a multi station imaging system at high latitude
with multi disciplinary scientific objectives},
booktitle = {Proceedings 13th ESA Symposium on European Rocket and
Balloon Programmes and Related Research},
pages = {261--266},
year = 1997,
month = {September},
organization = {ESA},
alis = {steen1997esa},
braendstroem = {steen1997esa},
irf = {steen1997esa},
printstatus = {preprint}
}
@inproceedings{steen1997xx,
author = {{\AA}ke Steen and Björn Gustavsson and Urban Brändström},
title = {Temporal variation of 2{D} altitude distributions of
lee-wave generated polar stratospheric clouds},
booktitle = {Proceedings of the 4th European symposium of polar
stratospheric ozone},
year = 1997,
alis = {steen1997xx},
braendstroem = {steen1997xx},
irf = {steen1997xx},
printstatus = {printout}
}
@inproceedings{steen1999ec,
author = {{\AA}ke Steen and Björn Gustavsson and Carl-Fredrik Enell
and Urban Brändström},
title = {{PSC} dynamics investigated by multi-station imaging ---
Techniques, results and prospects},
booktitle = {Air pollution research report. {M}esoscale processes in
the stratosphere},
pages = {239--242},
year = 1999,
volume = {69},
editor = {K.S. Carslaw and G.T. Amanatidis},
publisher = {European Comission},
note = {{ISBN} 92-828-4629-6},
alis = {steen1999ec},
braendstroem = {steen1999ec},
irf = {steen1999ec},
printstatus = {copy}
}
@inproceedings{steen1999esa,
author = {{\AA}ke Steen and Jan Englund and Urban Brändström and Ulf
Stambro and Sten Hedlin and Stig Kemi and Lennart Marcus
and Ola Widell and Lars Sarri},
title = {{KEOPS} a networked optical research facility at high
latitudes},
booktitle = {{P}roceedings 14th {ESA} {S}ymposium on {E}uropean
{R}ocket and {B}alloon {P}rogrammes and {R}elated
{R}esearch},
pages = {173--178},
year = 1999,
editor = {B.\ Kaldeich-Sch{\"u}rmann},
volume = {SP-437},
month = {May},
organization = {European Space Agency},
note = {{ISBN} 92-9092-748-8},
alis = {steen1999esa},
braendstroem = {steen1999esa},
irf = {steen1999esa},
printstatus = {printout}
}
@inproceedings{steen1999iaags,
author = {{\AA}ke Steen and Björn Gustavsson and Urban Brändström
and Takehiko Aso and Masaki Ejiri},
title = {{\textrm{OI}} 846.6 nm auroral imaging},
booktitle = {Proceedings of the 25th annual European Meeting on
Atmospheric Studies by Optical Methods, Granada, Spain},
pages = {90--95},
year = 1999,
publisher = {Instituto de Astrof{\'i}sica de Andalucia, Granada, Spain},
alis = {steen1999iaags},
braendstroem = {steen1999iaags},
irf = {steen1999iaags},
printstatus = {copy}
}
@article{tagirov2000jsr,
author = {Vartan Tagirov and V. A. Arinin and Urban Brändström and
A. Pajunpää and V.V. Klimenko},
title = {Atmospheric optical phenomena caused by powerful rocket
launches},
journal = {J.\ Spacecraft and Rockets},
year = 2000,
volume = 37,
number = 6,
pages = {812--821},
month = {November},
braendstroem = {tagirov2000jsr},
irf = {tagirov2000jsr},
referee = {tagirov2000jsr},
printstatus = {preprint}
}
@article{tanaka2011feasibility,
title = {Feasibility study on Generalized-Aurora Computed Tomography},
author = {Tanaka, YM and Aso, T. and Gustavsson, B. and Tanabe, K. and Ogawa, Y. and Kadokura, A. and Miyaoka, H. and Sergienko, T. and Brändström, U. and Sandahl, I.},
journal = {Ann. Geophys},
volume = {29},
pages = {551--562},
year = {2011},
alis = {tanaka2011feasibility},
braendstroem = {tanaka2011feasibility},
irf = {tanaka2011feasibility},
referee = {tanaka2011feasibility}
}
@article{urashima1999apuar,
author = {Akira Urashima and Takehiko Aso and Masaki Ejiri and
{\AA}ke Steen and U. Brändström and B. Gustavsson},
title = {Camera calibration by integrating sphere for the auroral
tomography observation},
journal = {Adv. Polar Upper Atmos. Res.},
year = 1999,
volume = 13,
pages = {79--88},
month = {September},
alis = {urashima1999apuar},
braendstroem = {urashima1999apuar},
irf = {urashima1999apuar},
referee = {urashima1999apuar},
printstatus = {preprint}
}
@misc{vierinen2010meteoroids,
author = {Juha Vierinen and Asta Pellinen-Wannberg and Urban Br{\"a}ndstr{\"o}m and Bj{\"o}rn Gustavsson and Carl-Fredrik Enell},
title = {Radar measurements during the {L}eonid campaign 2009},
howpublished = {Presentation, Meteoroids 2010 conference, Breckenridge, Colorado, USA},
month = {May},
year = 2010,
abstract = {
We present the results of radar measurements during the 4.5-day
campaign around the Leonid maximum in November 15-20 2009, in which we
conducted simultaneous tristatic EISCAT UHF measurements along with
optical EMCCD observations. During the last 24 hours, we also
performed dual-polarization measurements with the two remote receiving
stations. Due to significantly improved sensitivity of the detection
algorithms, we obtained a larger meteor detection rate than in
previous studies at EISCAT UHF, peaking at 200 detections per hour at
6 UT. No significant increase in meteor detection rate was observed
during the peak of the Leonid shower. We detected several low altitude
trail-like structures, the lowest one at 60 km. An overview plot of
the results is shown in Fig 1.
},
alis = {enell2010meteoroids},
irf = {enell2010meteoroids},
braendstroem = {enell2010meteoroids}
}
@inproceedings{waldemark1997xx,
author = {J. Waldemark and V. Becanovic and U. Brändström and C
Holmström and M. Larsson and T. Lindblad and C. S. Lindsay
and {\AA}ke Steen},
title = {Investigation of useful image preprocessing for analysis
of aurora images},
booktitle = {Proceedings {EANN}},
year = 1997,
alis = {waldemark1997xx},
braendstroem = {waldemark1997xx},
irf = {waldemark1997xx},
printstatus = {printout}
}
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