A New X-ray Outburst of the HMXB Pulsar X0535+262
ATel #1725; Alan M. Levine and Ronald A. Remillard (MIT) for the RXTE team at GSFC and MIT
on 19 Sep 2008; 19:14 UT
Distributed as an Instant Email Notice Request For Observations
Credential Certification: Alan M. Levine (aml@space.mit.edu)
Subjects: X-ray, Request for Observations, Binary, Neutron Star, Transient, Pulsar
The recurrent transient accreting X-ray pulsar X0535+262 has begun its
first X-ray outburst observed with RXTE since a series of three
closely spaced outbursts that ended in 2005. X0535+262 was first
detected by the ASM in the current outburst on MJD 54721 (2008
September 12) at an average level of 21 (5) mCrab at 2-12 keV. The
source intensity has averaged 33 (5) mCrab over the 6 days beginning
with MJD 54722 and appears to be roughly stationary. While these
numbers suggest that the source may reach a relatively small peak
intensity in this outburst, we nonetheless urge followup observations
with other instruments.