NASA NTRS · 19810061566
M5 V101 - A close binary system in a globular cluster
Abstract
Spectrophotometric and photographic observations of the large amplitude variable V101 in the globular cluster M5 show it to have the characteristics of a dwarf nova. In particular, a spectrum obtained with the Hale 5 m reflector of the object in quiescence (V approximately equal to 20) shows strong, broad Balmer and He I emission. It is suggested that M5 V101 is the strongest case for the existence of close binary systems in globular clusters.
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Margon, B., Downes, R. A., Gunn, J. E.. 1981-07-15. M5 V101 - A close binary system in a globular cluster. https://ntrs.nasa.gov/citations/19810061566
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