IRAS observations of galaxies in the Virgo cluster area

Details IRAS observations of galaxies in the Virgo cluster area IRAS observations of galaxies in the Virgo cluster area

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apjs...68..151h&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 68, Oct. 1988, p. 151-172. Research supported by NASA IRAS Extend

Astronomy and Astrophysics

Astronomy

334

Infrared Astronomy Satellite, Infrared Photometry, Infrared Sources (Astronomy), Star Formation, Virgo Galactic Cluster, Astronomical Photometry, Compact Galaxies, Galactic Evolution, Spiral Galaxies, Stellar Luminosity

Scientific paper

IRAS data on 196 galaxies in the area of the Virgo Cluster are presented. The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at 12 microns, 82 at 25 microns, 139 at 60 microns, and 135 at 100 microns, compared to 16, 23, 88, and 95 detections listed in the PSC. From the blue compact dwarf galaxy sample, 23 and 19 objects are detected at 60 and 100 microns, compared to three and two detections listed in the PSC. The emission in three close pairs of galaxies which are reported as single sources in the PSC are separated here. These statistics demonstrate the importance and potential of a detailed examination of IRAS data, especially for possibly resolved sources and, in particular, for galaxies out to redshifts of 0.008 or galaxies with D(25) of 3 arcmin or greater.

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