The HI Content of Poor Groups of Galaxies: HCG 22

Details The HI Content of Poor Groups of Galaxies: HCG 22 The HI Content of Poor Groups of Galaxies: HCG 22

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.5001k&link_type=abstract

American Astronomical Society Meeting 203, #50.01; Bulletin of the American Astronomical Society, Vol. 35, p.1286

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present a 21cm HI mosaic of the HCG 22 poor group of galaxies. HCG 22 differs from most well-studied groups in that it lacks diffuse x-ray emission. We detected two of the three major spirals, but none of the ellipticals or S0. Most suprisingly we have detected a cloud of intergalactic HI, with a HI mass of 1.39X108 solar masses. The intragroup gas may be a possible remnant of previous tidal interactions.

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