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Outburst of IGR J19294+1816 Detected with Fermi/GBM

ATel #3917; Mark H. Finger (USRA), and Peter Jenke (MSFC/NPP) for the GBM Pulsar Team
on 8 Feb 2012; 20:39 UT
Distributed as an Instant Email Notice Transients
Credential Certification: Dr. Mark H. Finger (Mark.Finger@msfc.nasa.gov)

Subjects: X-ray, Binary, Neutron Star, Transient, Pulsar

Referred to by ATel #: 4135

Pulsed X-ray flux is being detected by Fermi/GBM from the transient binary pulsar IGR J19294+1816. In the data of February 7, we measure a 12 - 50 keV pulsed flux of 15 +/- 2 mCrab with a barycentric frequency of 80.2754(6) mHz.

The source has an outburst period of about 117 days (Corbet & Krimm, ATel #2008). The last reported outburst began 2010 October 27 (ATel #2985). This was followed by a previously unreported outburst that was detected with Fermi/GBM on 2010 February 14.

GBM Pulsar Project