Probing the Spectral Variability of the Ultraluminous X-Ray Source NGC 5204 X-1

Details Probing the Spectral Variability of the Ultraluminous X-Ray Source NGC 5204 X-1 Probing the Spectral Variability of the Ultraluminous X-Ray Source NGC 5204 X-1

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1242r&link_type=abstract

Chandra Proposal ID #04600483

Physics

Chandra Proposal Id #04600483

Scientific paper

Recent results suggest that the ultraluminous X-ray sources (ULX) found in nearby galaxies may be related to the Galactic microquasars. One particular test of this hypothesis is to monitor the spectral variability of a ULX over a range timescales in order to search for microquasar-like behaviour. Here we propose a monitoring programme of the ULX NGC 5204 X-1, utilising a total of 100 ks of ACIS-S time, which will sample the spectral varability of this object on three distinct timescales (hours, days and weeks). The resulting data will define, essentially for the first time, the characteristics of the short-term variability of a ULX and thereby clarify whether it is correct to link this class of source to the Galactic microquasars.

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