Preliminary spatial analysis of combined BATSE/Ulysses gamma-ray burst locations
R. Kippen, K. Hurley, G. Pendleton
May 16, 1998
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Key Takeaway Key Takeaway: The combined BATSE/Ulysses gamma-ray burst locations show consistent large- and small-scale isotropy, with no significant small-angle clustering.
Abstract
We present the preliminary spatial analysis of 278 bursts that have been localized by BATSE and the two-spacecraft Compton/Ulysses Interplanetary Network. The large number and superior accuracy of the combined BATSE/Ulysses locations provides improved sensitivity to small-angle source properties. We find that the locations are consistent with large- and small-scale isotropy, with no significant small-angle clustering. We constrain the fraction of sources in clusters and discuss the implications for burst repetition.
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