Chandra Observations of M31* and M31 Transients

Details Chandra Observations of M31* and M31 Transients Chandra Observations of M31* and M31 Transients

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001tysc.confe.112g&link_type=abstract

Two Years of Science with Chandra, Abstracts from the Symposium held in Washington, DC, 5-7 September, 2001, meeting abstract.

Physics

1

Normal Galaxies

Scientific paper

We have detected two globular clusters in the nuclear region of M31 with both Chandra and HST. These detections allow us to register the Chandra and HST images and therefore determine relative positions to ~0.1''. This improved positional accuracy shows that (contrary to our earlier reports) neither CXOU J004244.2+411608 nor CXOU J004244.2+411609 can be associated with M31*. We will report a new upper limit on the flux from M31*. Each month Chandra carries out a brief observation of M31, which typically finds ~1 transient of >1037ergs/sec. Starting this July, we will begin a program to identify the UV counterparts to these transients using HST. The results from the first few searches will be described. Abstract here.

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