Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....110.2216h&link_type=abstract
Astronomical Journal v.110, p.2216
Astronomy and Astrophysics
Astronomy
6
X-Rays: Bursts
Scientific paper
We have attempted to identify the counterparts of 50 well-localized γ-ray bursts by comparing their locations with catalogued galactic objects, and with the positions of EUVE and x-ray sources. Catalogues of stars of spectra types A through M, peculiar stars, proper-motion stars, flare stars, variable stars, white dwarfs, and x-ray sources were searched. No promising counterparts were identified among the > 300 000 sources in these catalogues. To further investigate the galactic sources, we applied isotropy and homogeneity tests to the catalogues, and compared them with the results for BATSE bursts. We found that the isotropy (galactic dipole and quadrapole moments) and homogeneity relationships (V/Vmax) for stars of spectral type U were identical to those of the γ-ray bursts. We suggest that this result is due to incompleteness in both catalogues. This demonstrates the critical need to examine completeness effects in the BATSE burst catalogue.
Harrison Thomas E.
McNamara Bernard J.
Webber William R.
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