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X-ray outburst from RX J1709-2639

ATEL # 1302; Ron Remillard, for the RXTE-ASM team at MIT and GSFC
on 23 Nov 2007; 20:49 UT
Distributed as an Instant Email Notice (Transients)
Password Certification: Ron Remillard (

Subjects: X-ray, Globular Clusters, Neutron Stars, Transients

The RXTE All Sky Monitor has detected a new outburst in RX J1709.5-2639 (= XTE J1709-267), a recurrent X-ray transient and a source of type I X-ray bursts (see Atels 255, 262). A detection of 31 +/- 8 mCrab (2-12 keV) was made on 2007 Nov. 17, and the intensity gradually increased to 80 +/- 9 mCrab on Nov. 21 and 86 +/- 17 mCrab on Nov. 22. These results continue the trend for a 2-3 year recurrence time for this X-ray transient.

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