Rapid X-ray variability of the superluminal source GRS1915+105

Details Rapid X-ray variability of the superluminal source GRS1915+105 Rapid X-ray variability of the superluminal source GRS1915+105

1997-02-13

arxiv.org/abs/astro-ph/9702114v1

Astronomy and Astrophysics

Astrophysics

4 pages, to appear in A&A Letters

Scientific paper

The superluminal X-ray transient source GRS 1915+105 was observed during July 20-29, 1996 with the Indian X-ray Astronomy Experiment (IXAE) on the Indian satellite IRS-P3 launched on March 21, 1996 from Shriharikota Range in India. During our observations covering the energy band 2-18 keV, we have seen strong erratic intensity variations on time scale of 0.1s - 10s. Quasi Periodic Oscillations (QPOs) in a frequency range of 0.62 to 0.82 Hz were detected with a rms fraction of about 9%. The rapid X-ray intensity variations in GRS1915+105 are similar to those observed in some other black hole binaries and thus provide further support for the hypothesis that this source is likely to be a black hole. We discuss the possible emission region and mechanism of the observed quasi-periodic oscillations. Comparing the observed QPOs with the ones observed in other neutron star and black-hole systems, we argue that GRS1915+105 is possibly a black-hole.

Affiliated with

Also associated with

No associations

Rating

Rapid X-ray variability of the superluminal source GRS1915+105 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 Rapid X-ray variability of the superluminal source GRS1915+105, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rapid X-ray variability of the superluminal source GRS1915+105 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-651835