Host galaxy statistics

Free access article

Issue		Astron. Astrophys. Suppl. Ser. Volume 138, Number 3, September 1999 Gamma-Ray Bursts in the Afterglow Era Contents Rome, November 3-6, 1998


Page(s)		481 - 482
DOI		http://dx.doi.org/10.1051/aas:1999319

DOI: 10.1051/aas:1999319

Astron. Astrophys. Suppl. Ser. 138, 481-482

D.L. Band¹ - D.H. Hartmann² - B.E. Schaefer³

Send offprint request: D. Band

1 - CASS 0424, UC San Diego, La Jolla, CA 92093, U.S.A.
2 - Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, U.S.A.
3 - Department of Physics, Yale University, New Haven, CT 06520, U.S.A.

Received December 29, 1998; accepted February 24, 1999

Abstract:

The galaxies observed within the error boxes of gamma-ray bursts are inconsistent with the host galaxies predicted by the simplest "minimal'' cosmological model where bursts emit $\sim 6\ 10^{50}$ ergs but are consistent with a standard candle energy of $\sim 10^{53}$ ergs (if radiated isotropically). Although these calculations utilize the host galaxy data but not the burst intensities, we have developed the methodology to use all the available observations to model the redshift and intensity distributions.

Key words: gamma-rays: bursts -- methods: statistical

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