Re-brightening of Hyper-Luminous X-ray source HLX-1 in ESO 243-49 associated with a spectral softening
Abstract
We report on results from our current X-ray monitoring of the Hyper Luminous X-ray source (HLX-1) in the galaxy ESO 243-49 with the Swift-XRT (Farrell et al. 2009, Nature, 460, 73, Wiersema et al. 2010, ApJL, in press, arXiv:1008.4125). The Swift-XRT Photon-Counting light-curve exhibits large variability. During our first Swift-XRT observation on 2008-10-24, the source count rate was around 0.013 c/s.
- Publication:
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The Astronomer's Telegram
- Pub Date:
- August 2010
- Bibcode:
- 2010ATel.2821....1G
- Keywords:
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- X-ray;
- Black Holes