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By creating and analyzing the two dimensional gas temperature and abundancemaps of the RGH 80 compact galaxy group with the high-quality Chandra data, wedetect a high-abundance ($\simeq 0.7$ $Z_\odot$) arc, where the metal abundanceis significantly higher than the surrounding regions by $\simeq 0.3$ Z_\odot$.This structure shows tight spatial correlations with the member galaxy PGC046529, as well as with the arm-like feature identified on the X-ray image inthe previous work of Randall et al. (2009). Since no apparent signature of AGNactivity is found associated with PGC 046529 in multi-band observations, andthe gas temperature, metallicity, and mass of the high-abundance arc resemblethose of the ISM of typical early-type galaxies, we conclude that thishigh-abundance structure is the remnant of the ISM of PGC 046529, which wasstripped out of the galaxy by ram pressure stripping due to the motion of PGC046529 in RGH 80. This novel case shows that ram pressure stripping can workefficiently in the metal enrichment process in galaxy groups, as it can ingalaxy clusters.

Metal Enrichment via Ram Pressure Stripping in the IGM of the Compact Galaxy Group RGH 80