Fuzzy correlations of gamma-ray bursts

Details Fuzzy correlations of gamma-ray bursts Fuzzy correlations of gamma-ray bursts

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...367..186h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 367, Jan. 20, 1991, p. 186-190. Research supported by Max-Planck-Institut f

Astronomy and Astrophysics

Astrophysics

12

Angular Correlation, Gamma Ray Bursts, Milky Way Galaxy, Neutron Stars, Pulsars, Energy Sources, Fuzzy Systems, Halos

Scientific paper

The origin of gamma-ray bursts is not known, both in the sense of the nature of the source emitting the radiation and literally, the position of the burst on the sky. Lacking unambiguously identified counterparts in any wavelength band studied to date, statistical approaches are required to determine the burster distance scale. Angular correlation analysis is one of the most powerful tools in this regard. However, poor detector resolution gives large localization errors, effectively beam smearing the positions. The resulting fuzzy angular correlation function is investigated and the generic isotropization that smearing induces on any intrinsic clustering is discussed. In particular, the extent to which gamma-ray burst observations by the BATSE detector aboard the Gamma-Ray Observatory might recover an intrinsic source correlation is investigated.

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