GRB Sky Distribution Puzzles

Details GRB Sky Distribution Puzzles GRB Sky Distribution Puzzles

2010-09-20

arxiv.org/abs/1009.3720v1

Astrophysical Bulletin, Volume 65, Issue 3, pp.238-249, 2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

12 pages, 16 figures, 1 table

Scientific paper

10.1134/S1990341310030053

We analyze the randomness of the sky distribution of cosmic gamma-ray bursts. These events are associated with massive galaxies, spiral or elliptical, and therefore their positions should trace the large-scale structure, which, in turn, could show up in the sky distribution of fluctuations of the cosmic microwave background (CMB). We test this hypothesis by mosaic correlation mapping of the distributions of CMB peaks and burst positions, find the distribution of these two signals to be correlated, and interpret this correlation as a possible systematic effect.

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