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The design and performance of the Gaia photometric system

Jordi, C; Hög, E; Brown, AGA; Lindegren, Lennart LU ; Bailer-Jones, CAL; Carrasco, JM; Knude, J; Straizys, V; de Bruijne, JHJ and Claeskens, JF, et al. (2006) In Monthly Notices of the Royal Astronomical Society 367(1). p.290-314
Abstract
The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of the ESA Hipparcos mission to create an all-sky survey of about one billion stars throughout our Galaxy and beyond, by observing all objects down to 20 mag. Through its massive measurement of stellar distances, motions and multicolour photometry, it will provide fundamental data necessary for unravelling the structure, formation and evolution of the Galaxy. This paper presents the design and performance of the broad- and medium-band set of photometric filters adopted as the baseline for Gaia. The 19 selected passbands (extending from the UV to the far-red), the criteria and the methodology on which this choice has been based are... (More)
The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of the ESA Hipparcos mission to create an all-sky survey of about one billion stars throughout our Galaxy and beyond, by observing all objects down to 20 mag. Through its massive measurement of stellar distances, motions and multicolour photometry, it will provide fundamental data necessary for unravelling the structure, formation and evolution of the Galaxy. This paper presents the design and performance of the broad- and medium-band set of photometric filters adopted as the baseline for Gaia. The 19 selected passbands (extending from the UV to the far-red), the criteria and the methodology on which this choice has been based are discussed in detail. We analyse the photometric capabilities for characterizing the luminosity, temperature, gravity and chemical composition of stars. We also discuss the automatic determination of these physical parameters for the large number of observations involved, for objects located throughout the entire Hertzsprung-Russell diagram. Finally, the capability of the photometric system (PS) to deal with the main Gaia science case is outlined. (Less)
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subject
keywords
Galaxy : formation, : photometric, techniques, space vehicles : instruments, stars : fundamental parameters, instrumentation : photometers, Galaxy : structure
in
Monthly Notices of the Royal Astronomical Society
volume
367
issue
1
pages
290 - 314
publisher
Oxford University Press (OUP)
external identifiers
  • wos:000235939700039
  • scopus:33644902362
ISSN
1365-2966
DOI
10.1111/j.1365-2966.2005.09944.x
language
English
LU publication?
yes
id
047aa1b1-622f-4276-a845-abf5c0612936 (old id 416300)
date added to LUP
2007-10-07 12:20:54
date last changed
2019-06-04 01:35:37
@article{047aa1b1-622f-4276-a845-abf5c0612936,
  abstract     = {The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of the ESA Hipparcos mission to create an all-sky survey of about one billion stars throughout our Galaxy and beyond, by observing all objects down to 20 mag. Through its massive measurement of stellar distances, motions and multicolour photometry, it will provide fundamental data necessary for unravelling the structure, formation and evolution of the Galaxy. This paper presents the design and performance of the broad- and medium-band set of photometric filters adopted as the baseline for Gaia. The 19 selected passbands (extending from the UV to the far-red), the criteria and the methodology on which this choice has been based are discussed in detail. We analyse the photometric capabilities for characterizing the luminosity, temperature, gravity and chemical composition of stars. We also discuss the automatic determination of these physical parameters for the large number of observations involved, for objects located throughout the entire Hertzsprung-Russell diagram. Finally, the capability of the photometric system (PS) to deal with the main Gaia science case is outlined.},
  author       = {Jordi, C and Hög, E and Brown, AGA and Lindegren, Lennart and Bailer-Jones, CAL and Carrasco, JM and Knude, J and Straizys, V and de Bruijne, JHJ and Claeskens, JF and Drimmel, R and Figueras, F and Grenon, M and Kolka, I and Perryman, MAC and Tautvaisien, G and Vansevicius, V and Willemsen, PG and Bridzius, A and Evans, DW and Fabricius, C and Fiorucci, M and Heiter, U and Kaempf, TA and Kazlauskas, A and Kucinskas, Arunas and Malyuto, V and Munari, U and Reyle, C and Torra, J and Vallenari, A and Zdanavicius, K and Korakitis, R and Malkov, O and Smette, A},
  issn         = {1365-2966},
  keyword      = {Galaxy : formation,: photometric,techniques,space vehicles : instruments,stars : fundamental parameters,instrumentation : photometers,Galaxy : structure},
  language     = {eng},
  number       = {1},
  pages        = {290--314},
  publisher    = {Oxford University Press (OUP)},
  series       = {Monthly Notices of the Royal Astronomical Society},
  title        = {The design and performance of the Gaia photometric system},
  url          = {http://dx.doi.org/10.1111/j.1365-2966.2005.09944.x},
  volume       = {367},
  year         = {2006},
}