Abstract
We present a method and results of evaluation of the photometric systems (PSs) proposed for the GAIA mission. The method, however, can be applied for the analysis of virtually any multicolour PS designed for the global investigation of the Galactic stellar populations. Performance of the 1F, 2A and 3G PSs is evaluated taking into account their ability to simultaneously determine the main stellar parameters, T eff, log g, [M/H] and E B−V , for a large variety of stars down to G ~ 20. The representative Galactic stellar populations were constructed and employed for evaluation of the PSs. Despite the fact that the 2A and 3G PSs perform significantly better than the 1F (presently adopted as a baseline PS for GAIA), we conclude that still there is no photometric system proposed to date, which would allow to achieve the scientific objectives of the GAIA mission.
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References
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© 2002 Springer Science+Business Media Dordrecht
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Vansevičius, V., Bridžius, A., Drazdys, R. (2002). GAIA Photometric System: Evaluation of Performance. In: Vansevičius, V., Kučinskas, A., Sūdžius, J. (eds) Census of the Galaxy: Challenges for Photometry and Spectrometry with GAIA. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0361-2_4
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DOI: https://doi.org/10.1007/978-94-010-0361-2_4
Publisher Name: Springer, Dordrecht
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