collapsar

[Mark Mandel]

collapsar: Not in OED.

Two citations from 1971, both in  NATURE, 15 January 1971 Vol 229 No
5281 pp147-216
http://www.nature.com/nature/journal/v229/n5281/index.html

Evidence for a Collapsar in the Binary System alt epsilon Aur
pp178-180
A. G. W. CAMERON
doi:10.1038/229178a0

Collapsars, Infrared Disks and Invisible Secondaries of Massive Binary Systems
pp180-183
RICHARD STOTHERS
doi:10.1038/229180a0

Both these articles assume the word is known to the reader, so further
search, e.g., in their refs, will probably find earlier cites.

A Google Books search for the range 1950-1970 had 1 hit with no link:
[CITATION] A PHOTOMETRIC AND SPECTROSCOPIC INVESTIGATION OF SV CENTAURI
JB IHWnSft, AU LANDOLT - Contributions, 1964
Web Search

m a m


--
Mark Mandel

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