Properties of Merging Pairs in the SDSS EDR

Details Properties of Merging Pairs in the SDSS EDR Properties of Merging Pairs in the SDSS EDR

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.5209a&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #52.09; Bulletin of the American Astronomical Society, Vol. 34, p.1192

Astronomy and Astrophysics

Astronomy

Scientific paper

A sample of 1479 faint (g*<21.0) merging galaxies, separated by less than 5.24'', is selected through an automated systematic search from the Sloan Digital Sky Survey Early Data Release (SDSS EDR, Stoughton et al. 2002) photometric data which cover a total area of ≈462 deg2. The color of the galaxies indicates recently enhanced star formation; the general distribution of the colors and size of the merging galaxies are significantly different from that of field galaxy sample. For a sub-sample of 680 galaxies with redshift information we used the Hα emission line to derive the star formation rate and compare it with that of the field. An enhanced star formation rate is found relative to the field.

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