Anomalous grouping of some short BATSE GRBs

Z. Bagoly; L. G. Balazs; P. Veres; A. Meszaros; I. Horvath

Anomalous grouping of some short BATSE GRBs

Cosmology and Nongalactic Astrophysics 2009-12-22 v1 High Energy Astrophysical Phenomena

Authors: Z. Bagoly , L. G. Balazs , P. Veres , A. Meszaros , I. Horvath

Abstract

The power spectra of 457 short BATSE bursts were analyzed, focusing on the 64 ms lightcurves' tails in the low energy bands. Using MC simulations, 22 GRBs were identified with unusually high harmonic power above 0.03 Hz. The sky distribution of these bursts shows an extraordinarily strong dipole moment with a 99.994% significance.

Keywords

BATSE GRBs short bursts power spectra harmonic power sky distribution dipole moment

Cite

@article{arxiv.0912.3913,
  title  = {Anomalous grouping of some short BATSE GRBs},
  author = {Z. Bagoly and L. G. Balazs and P. Veres and A. Meszaros and I. Horvath},
  journal= {arXiv preprint arXiv:0912.3913},
  year   = {2009}
}

Comments

2009 Fermi Symposium - to appear in eConf Proceedings C091122

Anomalous grouping of some short BATSE GRBs

Abstract

Keywords

Cite

Comments

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