Rao, U. R. ; Jain, A. K. ; Jayanthi, U. B. ; Kasturirangan, K. ; Sharma, D. P. (1975) Balloon observations of X-rays from celestial sources Indian Journal of Radio and Space Physics, 4 . pp. 199-202. ISSN 0367-8393
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Official URL: http://adsabs.harvard.edu/abs/1975IJRSP...4..199R
Abstract
In the past three years, four successful balloon flights were made from Hyderabad, India, to investigate the different features of the emission of X-rays from celestial sources such as Sco X-1, Cyg X-1 and Her X-1. The observations were made with NaI(Tl) scintillation telescopes mounted on oriented platforms and programmed to track the sources in azimuth and elevation. The data obtained from these flights are used to study the intensity and spectra of the X-ray sources. For Cyg X-1, the fluctuations in intensity and the corresponding spectra with time scales of a few minutes are obtained. Her X-1 was observed during two separate flights at the time of maximum and minimum of intensity states corresponding to the 35-day cycle.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to National Institute of Science Communication and Information Resources. |
| Keywords: | Balloon-borne Instruments; Spectral Energy Distribution; X Ray Stars; X Ray Telescopes; Balloon Flight; Emission Spectra; Particle Telescopes; Scintillation Counters |
| ID Code: | 73072 |
| Deposited On: | 30 Nov 2011 04:05 |
| Last Modified: | 27 Jun 2012 13:35 |
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