Discrete X-Ray Sources Between M 81 and NGC 3077

Details Discrete X-Ray Sources Between M 81 and NGC 3077 Discrete X-Ray Sources Between M 81 and NGC 3077

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1498w&link_type=abstract

Chandra Proposal ID #05601069

Astronomy and Astrophysics

Astronomy

Chandra Proposal Id #05601069

Scientific paper

We propose a 30ks XMM-Newton observation of the tidal interaction region between the galaxies M 81 and NGC 3077. This region contains an overdensity of X-ray sources (Bi, Arp, and Zimmermann 1994) in and around the HI bridge between the galaxies. Our observation will 1) determine whether these sources are indeed associated with the M 81 system, 2) examine the physical nature of the sources (e.g. distinguish XRBs from SNRs), and 3) study differences in the X-ray populations of the tidal debris region and NGC 3077, and how this relates to the star formation history of the M 81 system. We also request a 10ks Chandra HRC observation in order to obtain sub-arcsecond astrometry for the X-ray sources, which will allow us to search for optical counterparts.

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