Localizing the X-Ray Transient 4U 1730-22

Details Localizing the X-Ray Transient 4U 1730-22 Localizing the X-Ray Transient 4U 1730-22

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1435t&link_type=abstract

Chandra Proposal ID #05400850

Computer Science

Chandra Proposal Id #05400850

Scientific paper

We propose a 40 ks Chandra/ACIS-S observation to localize the historical X-ray transient 4U 1730-22 in order to facilitate an optical identification and measure the quiescent X-ray flux. This source was discovered in 1972, but has not been detected in outburst for over 30 years. Although it is clear that it is a transient X-ray binary, it is unclear if it contains a neutron star or a black hole. Due to the relatively low column density along the line of sight, an identification is likely to allow us to perform follow-up optical and IR observations to provide a measurement of the compact object mass and the distance to the source.

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