Agrawal, P. C. ; Chitnis, V. R. ; Manchanda, R. K. ; Rao, A. R. ; Shah, M. R. ; Dedhia, D. K. ; Mukerjee, K. (1994) Baloon-borne observations using a large area xenon detector telescope above 20 keV Advances in Space Research, 14 (2). pp. 109-112. 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(94)90075-2
Abstract
Since 1983, we have been continuing a programme of balloon-borne hard X-ray observations in the 20-100 keV region using large area multi-wire proportional counters filled with xenon+methane mixture. The instrument consists of two such detectors, each having an effective area of ≈ 1200 cm2 with a passive collimator of 5° x 5° FWHM. The detectors are mounted on a servo-controlled orientation platform. The energy resolution of the xenon detectors is 10 % FWHM at 22 keV and it is well suited for the detection of cyclotron emission lines in the spectra of X-ray sources. The X-ray light curves and energy spectra of several X-ray sources observed during two recent balloon flights are described.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 85591 |
| Deposited On: | 03 Mar 2012 14:46 |
| Last Modified: | 12 Jul 2012 09:36 |
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