Minor Galaxy Interactions in the SDSS

Details Minor Galaxy Interactions in the SDSS Minor Galaxy Interactions in the SDSS

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.9713f&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #97.13; Bulletin of the American Astronomical Society, V

Computer Science

Databases

Scientific paper

We study star formation in a sample of 635 minor pairs of galaxies, where the z magnitude difference > 2, selected from the Sloan Digital Sky Survey photometric and spectroscopic databases. The galaxy pairs are coincident both in apparent physical separation (Delta D < 50 kpc/h) and in redshift space (Delta cz < 500 km/s). The large data set allows us to examine the effects of the interaction on the major and minor companions separately, and to segregate the galaxies by color and by absolute magnitude. We study the relationship between specific star formation and apparent physical separation, and between specific star formation and the relative magnitude of the pair.

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