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Astron. Astrophys. 325, 473-478 (1997)

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5. Conclusions

We observed 54 Hickson Compact Groups, from which 41 were detected in the 21-cm line of HI. The total number of HCGs observed in HI increased to 75. Apart from a few HI-rich groups we find a great number of HCGs to have [FORMULA] ratios in the expected range. However, there are many groups with extreme HI-deficiencies as compared to nearby groups and to aggregates known for HI-deficiency like the Coma I group and the Virgo cluster.

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© European Southern Observatory (ESO) 1997

Online publication: April 28, 1998

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