Stellar Distance Determination From Rave Spectroscopic Data

Details Stellar Distance Determination From Rave Spectroscopic Data Stellar Distance Determination From Rave Spectroscopic Data

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545607z&link_type=abstract

American Astronomical Society, AAS Meeting #215, #456.07; Bulletin of the American Astronomical Society, Vol. 42, p.479

Astronomy and Astrophysics

Astronomy

Scientific paper

RAVE is expected to be the largest spectroscopic survey of the Solar neighbourhood in the coming decade, but with a significant fraction of giant stars reaching out to 10 kpc from the Sun. The survey measures values of stellar parameters (radial velocity, temperature, gravity, metallicity) for a vast number of general field stars
from a randomly selected magnitude limited sample spanning all components of the Galaxy. The most probable absolute magnitude can be derived using a set of stellar isochrone solutions, thus yielding spectroscopic distance. Some of the recent approaches and innovative ideas to this well known problem will be reviewed. Distances derived for 300.000 RAVE spectra will be presented. Results will be checked against astrometric distances for Hipparcos stars and against distances of stellar clusters.

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