Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3251....1m&link_type=abstract
The Astronomer's Telegram, #3251
Astronomy and Astrophysics
Astronomy
X-Ray, Gamma Ray, Agn, Black Hole, Blazar, Gamma-Ray Burst, Neutron Star, Transient, Pulsar
Scientific paper
RXTE observed of the X-ray source Swift J164449.3+573451 / GRB 110328A (GCN Circ. 11823, 11824, 11842; ATEL #3242, #3244, #3250) on 2011-03-30 at 04:55 UTC for an exposure of 1.8 ksec. The PCA light curve is characterized by strong variations on a time scale of hundreds of seconds. Variations are a factor of ~2.5x peak to peak (50-125 mCrab 2-10 keV), with r.m.s. variability of 30%. A power spectrum shows red noise stochastic variability (power law with index f-2), although the mHz end of the spectrum is poorly characterized.
Markwardt Craig B.
Marshall Francis E.
Smith Andrew E.
Strohmayer T. S.
Swank Jean H.
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