Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1426....1k&link_type=abstract
The Astronomer's Telegram, #1426
Astronomy and Astrophysics
Astronomy
6
X-Ray, Request For Observations, Binaries, Pulsars, Transients
Scientific paper
In recent observations, the Swift/BAT Hard X-ray Transient Monitor has detected increased activity from three galactic sources. All reported observations are in the 15-50 keV energy band. The binary X-ray pulsar 4U 0115+634 is detected at a level of 0.020 ± 0.004 counts/sec/cm2 (~100 mcrab) beginning on March 12, 2008 (MJD 54537). This source was last active in Sep. 2004 (ATel #326) and is normally below the 7-mcrab detection threshold for the BAT transient monitor on a one-day timescale.
Barthelmy Scott D.
Baumgartner Wayne
Cummings Jay
Fenimore Edward E.
Gehrels Neil
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