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Title:
Spin Period of New Soft Gamma Repeater SGR 0501+4516
Authors:
Gogus, E.; Woods, P.; Kouveliotou, C. ;
Publication:
The Astronomer's Telegram, #1677
Publication Date:
08/2008
Origin:
ATEL
Keywords:
X-ray, Pulsars, Soft Gamma-ray Repeaters
Bibliographic Code:
2008ATel.1677....1G

Abstract

We triggered our SGR ToO Program with RXTE following the Swift detection of a burst from the new Soft Gamma Repeater SGR 0501+4516 (Barthelmy et al. 2008, GCN # 8113). A 600 s RXTE observation started on 2008 August 22, 16:39:09 UT. During this pointing we detected one short SGR burst- like event in the PCA data (2-60 keV), confirming that the new source was in the field of view. We searched for a spin period for the new SGR in the 2.5-13.5 keV band PCA event mode data and detected a coherent signal (barycenter corrected) at 0.17334 Hz, corresponding to a spin period of 5.769 ± 0.004 s.
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Database: Astronomy
Physics
arXiv e-prints