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Renewed Activity of IGR J16479-4514

ATel #816; C. B. Markwardt (U. Maryland & NASA/GSFC), H. A. Krimm (USRA & NASA/GSFC)
on 20 May 2006; 18:07 UT
Distributed as an Instant Email Notice Transients
Credential Certification: Craig B. Markwardt (craigm@lheamail.gsfc.nasa.gov)

Subjects: X-ray, Gamma Ray, Request for Observations, Binary, Transient

Referred to by ATel #: 1435

On 20 May at 17:32 UT, the Swift BAT detected the recurrent fast X-ray transient IGR J16479-4514 (Molkov et al., ATEL #176) as Swift trigger number 210886. While we do not have flux information at this time, the source was detected at 5.8 sigma in 320 seconds in the 15-50 keV band, which is much more intense than has been seen by BAT in the past eight months.

A previous flare of this source was detected by Swift XRT (Kennea et al, ATEL #599), which suggests that follow-up observations may detect the source an hour or more after a flare.