Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2030....1u&link_type=abstract
The Astronomer's Telegram, #2030
Astronomy and Astrophysics
Astronomy
1
Infra-Red, Optical, X-Ray, Binaries, Black Holes, Transients
Scientific paper
ASAS 150946-2147.7 is a suspected blackhole X-ray binary, currently in an optical outburst (CBET 1774). We performed an X-ray ToO observation and optical follow-up by Swift and "KANATA", respectively. The Swift-XRT ToO observation started on 18 Apr. 2009 at 01:17:47 (UT) and ended at 04:08:33 (UT) with the total exposure time of 2.0 ks. The source was quite faint; the 1-10 keV average count-rate was about 0.014 counts/s.
Arai Akira
Hashimoto Osamu
Honda Satoru
Ito Ryosuke
Kato Taichi
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