``E+A'' Galaxies from the SDSS First Light Data

Details ``E+A'' Galaxies from the SDSS First Light Data ``E+A'' Galaxies from the SDSS First Light Data

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.0205f&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #02.05; Bulletin of the American Astronomical Society, Vol. 30, p.1244

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The post-starburst ``E+A'' galaxies, especially those dominated by the A star component, have strong Balmer jumps and blue continua. They have unique broad-band colors and thus can be selected from the multicolor photometry of the Sloan Digital Sky Survey (SDSS). We present deep imaging and spectroscopy of several ``E+A'' galaxy candidates found from the first light data of the SDSS. One of these has one of the strongest A-star spectrum ever seen in a non-emission-line galaxies. Most of those galaxies lie in the field, outside of clusters or rich groups. We present fits of their spectra to population synthesis models consisting of a recent (≲ 1 Gyr) starburst event and a passive evolving old population.

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