SDSS Luminous Red Galaxies (Barber+, 2007)

Details SDSS Luminous Red Galaxies (Barber+, 2007) SDSS Luminous Red Galaxies (Barber+, 2007)

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycat..83770787b&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/377/787. Originally published in: 2007MNRAS.377..787B

Mathematics

Probability

Galaxies: Photometry, Photometry: Sdss

Scientific paper

The data are taken from the Luminous Red Galaxy sample of the Sloan Digital Sky Survey Data Release 4. From the SDSS spectra we compute the five indices Hbeta, HgammaF, Dn(4000), [MgFe]', [Mg1Fe]'. These are matched indices from a synthetic library of spectra containing 31000 different star formation scenarios. From this we can infer probability distributions for a number of properties, such as age, metallicity, etc. The results are presented here as the 5th, 16th, 50th (median), 86th and 95th percentiles of the relevant distribution.
The 4391 LRG properties presented here are chosen from the redshift range 0.15m=0.25, omegalambda=0.75 and H0=73km/s/Mpc.
(1 data file).

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