Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.332..234m&link_type=abstract
Nature (ISSN 0028-0836), vol. 332, March 17, 1988, p. 234-236.
Astronomy and Astrophysics
Astronomy
22
Gamma Ray Bursts, Gravitational Lenses, Gravitational Waves, Angular Resolution, Bl Lacertae Objects, Black Holes (Astronomy), Light Speed, Red Shift, Wave Interaction
Scientific paper
What causes gamma-ray bursts has long been a puzzle to theoreticians. Here the authors propose that fluctuations in the position of a compact source originating in a stochastic background of gravitational waves cause the source to pass back and forth across the high-intensification caustics of an intervening galactic lens. The intensified images cross the Solar System with superluminal speed and give rise to gamma-ray bursts (GRBs). The features of this model are (1) the GRB is a result of a lensing phenomenon and not a sudden power surge in a compact source; (2) the directions to the sources obtained with the light-travel-time method are incorrect; (3) the spectral features arise from high-angular-resolution scans across accretion disks around Kerr black holes; and (4) the lensed sources are probably BL Lac objects.
McBreen Brian
Metcalfe Leo
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