The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA

Details The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA

2006-11-10

arxiv.org/abs/astro-ph/0611341v2

Astrophys.J.655:L97-L100,2007

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures accepted for publication in the Astrophysical Journal Letters

Scientific paper

10.1086/511819

We report the results of a series of RXTE and ATCA observations of the recently-discovered X-ray transient IGR J17497-2821. Our 3-200 keV PCA+HEXTE spectral analysis shows very little variations over a period of ~10 days around the maximum of the outburst. IGR J17497-2821 is found in a typical Low Hard State (LHS) of X-ray binaries (XRB), well represented by an absorbed Comptonized spectrum with an iron edge at about 7 keV. The high value of the absorption (~4 e22 cm-2) suggests that the source is located at a large distance, either close to the Galactic center or beyond. The timing analysis shows no particular features, while the shape of the power density spectra is also typical of LHS of XRBs, with ~36% RMS variability. No radio counterpart is found down to a limit of 0.21 mJy at 4.80 GHz and 8.64 GHz. Although the position of IGR J17497-2821 in the radio to X-ray flux diagram is well below the correlation usually observed in the LHS of black holes, the comparison of its X-ray properties with those of other sources leads us to suggest that it is a black hole candidate.

Affiliated with

Also associated with

No associations

Rating

The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-565540