Suzaku Observations of SGR 1900+14 and SGR 1806-20

Details Suzaku Observations of SGR 1900+14 and SGR 1806-20 Suzaku Observations of SGR 1900+14 and SGR 1806-20

2008-08-28

arxiv.org/abs/0808.3846v1

Publ. Astron. Soc. Japan 61, pp.S387--S393 (2009)

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures, Accepted for publication in PASJ (Suzaku 3rd special issue)

Scientific paper

Spectral and timing studies of Suzaku ToO observations of two SGRs, 1900+14 and 1806-20, are presented. The X-ray quiescent emission spectra were well fitted by a two blackbody function or a blackbody plus a power law model. The non-thermal hard component discovered by INTEGRAL was detected by the PIN diodes and its spectrum was reproduced by the power law model reported by INTEGRAL. The XIS detected periodicity P = 5.1998+/-0.0002 s for SGR 1900+14 and P = 7.6022+/-0.0007 s for SGR 1806-20. The pulsed fraction was related to the burst activity for SGR 1900+14.

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