Flaring activity and cyclotron line in GX 304-1 observed with INTEGRAL

Details Flaring activity and cyclotron line in GX 304-1 observed with INTEGRAL Flaring activity and cyclotron line in GX 304-1 observed with INTEGRAL

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012atel.3902....1k&link_type=abstract

The Astronomer's Telegram, #3902

Astronomy and Astrophysics

Astronomy

X-Ray, Binary

Scientific paper

The INTEGRAL monitoring of the on-going outburst of the transient accreting pulsar GX 304-1 with a Be optical companion revealed strong flaring activity with X-ray flux variations by a factor of ~2 on a time scale of ~1 hour (18-80 keV). The INTEGRAL observations started around MJD 55943. The maximum flux level measured by ISGRI so far is 964 ± 2 mCrab in the 20-40 keV range. The cyclotron resonance scattering feature is present in the ISGRI and SPI spectra of the source.

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