Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..419..103j&link_type=abstract
Galaxy Evolution: Emerging Insights and Future Challenges ASP Conference Series, Vol. 419, proceedings of a conference held 11-1
Astronomy and Astrophysics
Astronomy
Scientific paper
The Sloan Digital Sky Survey (SDSS) produced accurate, multi-band, deep photometric sample of ˜108 stars over about one quarter of the sky. These measurements enabled photometric metallicity estimates for F and G stars accurate to ˜0.2 dex, as well as estimates of proper motions from astrometric comparison with the Palomar Observatory Sky Survey, accurate to about 3-5 mas/yr. For main sequence stars, photometric distance estimates are sufficiently precise (˜10%) to directly map their three-dimensional distribution out to distances of ˜15 kpc, making this data set an exquisite tool for Galactic structure studies. We summarize the key results and lessons of recent SDSS efforts in this area (Jurić et al. 2008, Ivezić et al. 2008), and discuss what further progress can be expected from the Large Synoptic Survey Telescope (LSST). LSST will obtain similar imaging data as SDSS, but to about 5 magnitudes deeper limit and over twice as large sky area.
Ivezić Ž
Juric´ M.
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