Physics
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..265...89h&link_type=abstract
Gamma-ray bursts. AIP Conference Proceedings, Volume 265, pp. 89-93 (1991).
Physics
Gamma-Ray Sources, Gamma-Ray Bursts
Scientific paper
We applied the V/Vmax test to a sample of 132 candidate cosmic gamma-ray bursts to determine quantitatively the spatial uniformity of the burst source population. We found (V/Vmax)=0.40+/-0.025, significantly different from 0.5, the value expected for a uniform distribution. The shape of our V/Vmax distribution is approximately flat except for the lowest bin below V/Vmax of 0.05. We examined monoluminosity galactic disk and massive halo populations as possible sources for these candidate bursts. For these populations we found that, to reproduce our V/Vmax distribution, burst sky locations should be highly anisotropic, concentrated towards the galactic plane with dipole moments ~=0.4 to 0.7.
Higdon James C.
Iadicicco A.
Matz Steven M.
Messina Daniel C.
Share Gerald H.
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