MAXI/GSC detection of an increase in X-ray intensity from 4U 1630-47
Abstract
An increase of X-ray flux from the Galactic black hole candidate 4U1630-47 was detected by MAXI/GSC on 2009 December 29 (UT). The one-day averaged X-ray fluxes (1.5-20 keV) were about 9, 15, 21, and 38 mCrab for December 26,27,28, and 29 (UT) respectively. The MAXI/GSC light curves can be found at http://maxi.riken.jp/top/index.php?cid=000000000001&disp_mode=source . Please note that the fluxes of 4U1630-47 shown on the light curve web page are contaminated by the Galactic ridge emission, which has been subtracted in the fluxes reported above.
- Publication:
-
The Astronomer's Telegram
- Pub Date:
- December 2009
- Bibcode:
- 2009ATel.2363....1T
- Keywords:
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- X-ray;
- Black Holes;
- Transients