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Photometric colors of late-type giants: theory versus observations
A. Kucinskas, P. H. Hauschildt, H. -G. Ludwig +5
To assess the current status in the theoretical modeling of the spectral properties of late-type giants, we provide a comparison of synthetic photometric colors of late-type giants…
The design and performance of the Gaia photometric system
C. Jordi, E. Hoeg, A. G. A. Brown +32
The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of ESA's Hipparcos mission to create an all-sky survey of about one billion…
Broad-band photometric colors and effective temperature calibrations for late-type giants. I. Z=0.02
A. Kucinskas, P. H. Hauschildt, H. -G. Ludwig +5
We present new synthetic broad-band photometric colors for late-type giants based on synthetic spectra calculated with the PHOENIX model atmosphere code. The grid covers effective…
Beyond the Galaxy with Gaia: evolutionary histories of galaxies in the Local Group
A. Kucinskas, L. Lindegren, V. Vansevicius
Gaia will play an important role in providing information about star formation histories, merging events, intergalactic streams etc., for nearby galaxies of the Local Group. One of…
Theoretical modelling of late-type giant atmospheres: preparing for Gaia
A. Kucinskas, I. Brott, P. H. Hauschildt +4
Late type giants (RGB/AGB stars) will be important tracers of the Galactic morphology and evolution in the framework of Gaia, as they are intrinsically bright and thus can probe di…