Identification of GX3+1 from Lunar Occultations

THE position of GX3+1 has previously been reported by Schnopper et al. 1 with sufficient accuracy to allow the times of lunar occultations to be predicted to within about ±3 min 2 . This uncertainty in the predicted time can be covered by the relatively brief observation period of the flight of a so...

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Bibliographic Details
Published in:Nature (London) 1972-01, Vol.235 (5334), p.152-155
Main Authors: JANES, A. F, POUNDS, K. A, RICKETTS, M. J, WILLMORE, A. P, MORRISON, L. V
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
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Summary:THE position of GX3+1 has previously been reported by Schnopper et al. 1 with sufficient accuracy to allow the times of lunar occultations to be predicted to within about ±3 min 2 . This uncertainty in the predicted time can be covered by the relatively brief observation period of the flight of a sounding rocket. Two of the present cycle of lunar occultations were predicted for the rocket range at Woomera, Australia, and were successfully observed: the first on September 27, 1971, by the Leicester X-ray Astronomy Group, and the second on October 24, 1971, by the Mullard Space Science Laboratory, UCL.
ISSN:0028-0836
1476-4687
DOI:10.1038/235152a0