Timing and X-ray Spectral Features of Swift J1626.6-5156

Details Timing and X-ray Spectral Features of Swift J1626.6-5156 Timing and X-ray Spectral Features of Swift J1626.6-5156

2011-01-26

arxiv.org/abs/1101.5168v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Revised version; 12 pages, 4 figures, accepted for publication in MNRAS

Scientific paper

In this paper, we extend timing analysis of Baykal et al. (2010) of \src using RXTE-PCA observations between MJD 53724 and MJD 55113 together with a Chandra-ACIS observation on MJD 54897 with a 20 ks exposure. We also present X-ray spectral analysis of these RXTE and Chandra observations. We find that the spin-up rate of the source is correlated with the X-ray flux. Using this correlation, we estimate the distance and surface magnetic field of the source as $\sim 15$kpc and $\sim 9\times 10^{11}$Gauss respectively. From the spectral analysis, we found that power law index increases and Hydrogen column density decreases with decreasing flux.

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