Gaia broad-band photometry

Details Gaia broad-band photometry Gaia broad-band photometry

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011hsa6.conf..529c&link_type=abstract

Highlights of Spanish Astrophysics VI, Proceedings of the IX Scientific Meeting of the Spanish Astronomical Society (SEA), held

Astronomy and Astrophysics

Astrophysics

Scientific paper

The scientific community needs to be prepared to analyse the data from Gaia, one of the most ambitious ESA's space missions, to be launched in 2012. The purpose of this poster is to provide data in order to know in advance how Gaia photometry will be. To do so, we provide relationships among colours involving Gaia magnitudes (white light G, blue G_BP, red G_RP and RVS bands) and colours from other commonly used photometric systems (Johnson-Cousins, Sloan, Hipparcos and Tycho). These relationships were obtained using sources with different reddening values, range of colours, luminosity classes and metallicities. The provided dependencies among colours can be used for planning scientific exploitation of Gaia data, simulations of the Gaia-like sky, planning on-ground observations and for building catalogues with auxiliary data for the Gaia data processing and validation.

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