Discovery of the Spin Period of SGR 1833-0832

Details Discovery of the Spin Period of SGR 1833-0832 Discovery of the Spin Period of SGR 1833-0832

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2493....1g&link_type=abstract

The Astronomer's Telegram, #2493

Astronomy and Astrophysics

Astronomy

1

X-Ray, Pulsars, Soft Gamma-Ray Repeaters

Scientific paper

Following the Swift detection of a burst from the new Soft Gamma Repeater SGR 1833-0832 (Gelbord, J. et al. 2010, GCN #10526) we triggered our SGR ToO Program with RXTE. A 1.3 ks RXTE observation started on 2010 March 19, 21:49:52UT. We detect coherent pulsations from the new SGR in the 2-20 keV PCA data at 0.1321 Hz, corresponding to a spin period of 7.57 sec. We then performed timing analysis on 22.5 ks Swift/XRT data in PC mode and confirmed the period detection as 7.5654(1) s.

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