The Origin and Distribution of Heavy Elements in the Compact Group HCG 62

Details The Origin and Distribution of Heavy Elements in the Compact Group HCG 62 The Origin and Distribution of Heavy Elements in the Compact Group HCG 62

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..151v&link_type=abstract

Chandra Proposal ID #01800770

Computer Science

Chandra Proposal Id #01800770

Scientific paper

Most galaxies in the present-day Universe are in compact groups and poor clusters. Groups are thought to be the building blocks from which clusters formed, and they accordingly occupy an important place in the continuum between isolated galaxies and rich clusters. We propose an observation of the compact group HCG 62 with ACIS-S (BI); our purpose is the accurate determination of the abundances of heavy elements as a function of position in the group. This observation exploits the high X-ray brightness of this group and --- with only four members --- its sparseness to understand the relatively low overall metallicity of the intragroup gas, to test whether any abundance variations are associated with individual galaxies, and to trace the origin of the enrichment to type Ia or II SNs.

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