Rao, A. R. ; Agrawal, P. C. ; Manchanda, R. K. ; Shah, M. R. (1987) Fabrication and flight performance of a large area balloon borne hard X-ray telescope Advances in Space Research, 7 (7). pp. 129-131. ISSN 0273-1177
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0273-1177(87)90022-6
Abstract
We describe the fabrication and flight performance of a balloon-borne large area hard X-ray (20-100 keV) telescope for spectral studies of discrete cosmic X-ray sources. The telescope consists of two multi-wire Xenon filled proportional counters of effective area 1200 cm2 each, mounted on an orientable platform. It can be pre-programmed to track any celestial source with a pointing accuracy of 0.5 degrees. For one hour of observation the telescope has a 5 σ detection sensitivity of 10-5 ph cm-2 s-1. The laboratory test results and the performance in a series of balloon flights conducted in 1984-1986 period is discussed and the preliminary results obtained for some X-ray sources are presented.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 85585 |
| Deposited On: | 03 Mar 2012 14:44 |
| Last Modified: | 12 Jul 2012 09:43 |
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