Jain, A. K. ; Jayanthi, U. B. ; Kasturirangan, K. ; Rao, U. R. (1976) Evidence for short term changes in the intensity and spectrum of hard X-rays from Cyg X-1 Astrophysics and Space Science, 45 (2). pp. 433-438. ISSN 0004-640X
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Official URL: http://www.springerlink.com/content/u80wg7vt268415...
Related URL: http://dx.doi.org/10.1007/BF00642677
Abstract
The paper presents experimental evidence for the existence of fast intensity fluctuations with time scales of the order of a minute in the X-ray emission from Cyg X-1 at energies greater than 29 keV. Spectral variations over time intervals of 20-25 min are also observed in the same energy range. Whereas, similar intensity and spectral fluctuations have been reported earlier at lower energies the observations presented here is the first evidence for the existence of similar fluctuations at high energies.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer-Verlag. |
| ID Code: | 16553 |
| Deposited On: | 15 Nov 2010 09:24 |
| Last Modified: | 04 Jun 2011 08:44 |
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