CaltechAUTHORS
  A Caltech Library Service

Discovery of Two Radio Pulsars in the Globular Cluster M15

Anderson, S. B. and Gorham, P. W. and Kulkarni, S. R. and Prince, T. A. and Wolszczan, A. (1990) Discovery of Two Radio Pulsars in the Globular Cluster M15. Nature, 346 (6279). pp. 42-44. ISSN 0028-0836. http://resolver.caltech.edu/CaltechAUTHORS:20140505-094722156

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item: http://resolver.caltech.edu/CaltechAUTHORS:20140505-094722156

Abstract

We report the discovery of two radio pulsars, 2127 + 11B and 2127-11C, in the globular cluster M15 (NGC7078), which also contains the 110-ms pulsar 2127 + 11A (ref. 1). Although only twenty globular cluster pulsars are known at present, the detection of three pulsars in a single cluster suggests that there might be a large total population of these objects, which would make them powerful probes of the dynamics and evolution of globular clusters. One of the new pulsars, 2127 +11C, is in a highly eccentric binary system with an 8-hour period. It is thus similar to the famous PSR1913 + 16 system, and study of the pulse arrival times can be expected to provide tests of general relativity, including gravitational wave emission. The companion of PSR2127 + 11C is probably either another neutron star or a massive white dwarf, suggesting that the core of M15 contains a high density of massive stellar remnants.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1038/346042a0DOIArticle
http://www.nature.com/nature/journal/v346/n6279/abs/346042a0.htmlPublisherArticle
http://rdcu.be/zD3KPublisherFree ReadCube access
ORCID:
AuthorORCID
Kulkarni, S. R.0000-0001-5390-8563
Prince, T. A.0000-0002-8850-3627
Contact Email Address:dmiles@caltech.edu
Additional Information:© 1990 Nature Publishing Group. Received 26 February; accepted 17 May 1990. We thank S. Phinney for discussions and G. Fox for collaboration. This work was supported by the NSF, the Department of Energy (US) and the Alfred P. Sloan Foundation. Arecibo Observatory is operated by Cornell University under contract with the NSF.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1990-03
Record Number:CaltechAUTHORS:20140505-094722156
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140505-094722156
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45488
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:05 May 2014 20:47
Last Modified:27 Nov 2017 18:39

Repository Staff Only: item control page