Locations of X-ray sources in globular clusters
Journal Article
·
· Astrophys. J., Lett.; (United States)
We have used the SAS 3 X-ray observatory to measure the positions of the X-ray sources in the globular clusters NGC 1851, 6441, 6624, 6712, and 7078. The derived positions have error circles with 90% confidence radii of 20'' or 30'' which, in each case, include the optical center of the cluster. The results of a statistical analysis demonstrate that the X-ray sources are more concentrated toward the cluster centers than the visible stars and are therefore more massive than those stars.
- Research Organization:
- Department of Physics and Center for Space Research, Massachusetts Institute of Technology
- OSTI ID:
- 5943555
- Journal Information:
- Astrophys. J., Lett.; (United States), Journal Name: Astrophys. J., Lett.; (United States) Vol. 231:3; ISSN AJLEA
- Country of Publication:
- United States
- Language:
- English
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