Radial velocity standards for the GAIA-RVS

Details Radial velocity standards for the GAIA-RVS Radial velocity standards for the GAIA-RVS

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sf2a.conf...13c&link_type=abstract

"SF2A-2008: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: C. Charbonnel, F. Combes

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The ESA GAIA mission (launch expected end 2011) , besides the 5 astrometric parameters and photometry for some 10^9 objects, will also produce radial velocities and short spectra for a few 10^8 stars, with a 1 to 15 km/s accuracy. The calibration of radial velocities in the integral-field spectrograph will rely on a set of some 1000 bright RV-stable stars already observed with a much higher accuracy from the ground, on a few bright enough asteroids, and a set of some 10^5 stable stars selected later from the RVS measurements themselves. We present here a status report on the ongoing effort to construct the basic list with ground-based observations.

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