Astronomy and Astrophysics – Astronomy
Scientific paper
May 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.267...28l&link_type=abstract
Nature, vol. 267, May 5, 1977, p. 28-30. Research supported by the University of Maryland and NASA.
Astronomy and Astrophysics
Astronomy
20
Globular Clusters, Spatial Distribution, X Ray Sources, Black Holes (Astronomy), Cosmic Dust, Galactic Radiation, Milky Way Galaxy, Oso-8, Sas, Spaceborne Astronomy
Scientific paper
Data on X-ray bursts recorded by the OSO-8 and SAS-3 satellites and criteria (rise time, duration, recurrence) for X-ray bursts are examined in a study of possible correlation between the galactic longitude distribution of X-ray burst sources and globular clusters. Correlations are weak, with only two X-ray bursts sources (NGC6624 and the rapid burster) coinciding with globular clusters, another seven possibly coinciding, most not correlated. Ad hoc explanations (globular clusters obscured by dust clouds, bursts associated with remnants of disrupted globular clusters evolved into supermassive black holes) are considered briefly.
Becker Robert H.
Clark George W.
Doty John
Hoffman Anthony J.
Lewin Walter H. G.
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