Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..120c.261s&link_type=abstract
Astronomy and Astrophysics Supplement, v.120, p.261-263
Astronomy and Astrophysics
Astrophysics
4
Accretion, Accretion Disks X-Rays: Stars, Novae, Stars: Individual (Gro J0422+32, Gro J1655-40)
Scientific paper
Much of the visual and ultraviolet luminosity in X-ray novae is likely to result from reprocessing of X-rays illuminating an accretion disk. During the initial stages of its 1992 outburst, GRO J0422+32 exhibited short-time-scale flickering intense enough to be seen in the individual BATSE LAD detectors with a nominal 1-second time resolution. We obtained photometry with continuous minute sampling during this period, in which short-time-scale flickering as well as hourly trends are evident. In addition, we obtained resolution spectroscopy sampled at 10-minute intervals over a baselines comparable to a binary orbital period. We present results of cross-correlation analysis between the optical and hard X-ray of time-series data sets. No statistically significant time lags can be established. For the more recent X-ray nova GRO 1655-40, we have spectra obtained on separate nights within one weeks time, bracketing an upturn in the BATSE light curve, which exhibited dramatic evolution.
Hjellming Robert M.
Shrader Chris R.
Starrfield Sumner G.
Wagner Robert Marcus
No associations
LandOfFree
Reprocessing of hard X-ray emission in X-ray novae. 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 Reprocessing of hard X-ray emission in X-ray novae., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reprocessing of hard X-ray emission in X-ray novae. will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-810778