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Studies of highly variable galactic X-ray sources with HEAO-1Analysis HEAO-Al data on MXB1659-29 revealed a 7.1 hour period from this X-ray burst source. The erratic dips seen in both SAS-3 and HEAO-Al data were concentrated within 1.5 hours (about 25%) of the orbital cycle. There appeared to be a stable dip at the end of the 1.5 h of erratic varibility. It was established that the stable dip was a true eclipse of the central X-ray emitting object. MXB1659-29 is the first X-ray burster to show eclipses and a precise orbital clock.
Document ID
19840008044
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Cominsky, L.
(California Univ. Berkeley, CA, United States)
Date Acquired
September 4, 2013
Publication Date
October 31, 1983
Subject Category
Space Radiation
Report/Patent Number
NAS 1.26:170941
NASA-CR-170941
Accession Number
84N16112
Funding Number(s)
CONTRACT_GRANT: NAG8-446
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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