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Rebrightening of the Supersoft X-ray Transient in the M31 Globular Cluster Bol 194
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Rebrightening of the Supersoft X-ray Transient in the M31 Globular Cluster Bol 194

A. K. H. Kong and R. Di Stefano
The Astronomer's Telegram
2007

Abstract

X-ray;Transients
We report the two Swift follow-up observations of the supersoft X- ray transient in the M31 globular cluster Bol 194 (ATel #1296,#1306,#1328). The source was first detected with Chandra on 2007 Nov 3 (ATel #1328) and has been monitored with Swift and Chandra since then. Swift observations taken on 2007 Nov 24 indicate that the source is still active (ATel #1306). However, the source was not detected with Chandra on 2007 Nov 27 with a 95% upper limit of 2.5e35 erg/s (ATel #1328).

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