A Study Of Blue Compact Dwarf Galaxies At z=0.2 0.6 From The SDSS DR7

Details A Study Of Blue Compact Dwarf Galaxies At z=0.2 0.6 From The SDSS DR7 A Study Of Blue Compact Dwarf Galaxies At z=0.2 0.6 From The SDSS DR7

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541215j&link_type=abstract

American Astronomical Society, AAS Meeting #215, #412.15; Bulletin of the American Astronomical Society, Vol. 42, p.248

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a catalogue for 500 blue compact dwarf galaxies (BCDs) at 0.2< z < 0.6 using SDSS DR7. We derived elemental abundances from the spectra based on the classical bright line method and the empirical method. The electron number densities and electron temperatures are derived from the [S II] λ67171/,[OIII]4959,5007/[OIII]4363 ratio. Stellar masses of galaxies are determined by Starburst99 using the continua of optical spectra, and gas masses are from Hβ luminosity and helium mass fractions. We discuss spectral characteristics and the mass-metallicity relation of BCDs.

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