Constraints from 3B on the Halo Beaming Model
Technical Report
·
OSTI ID:211384
- Los Alamos National Lab., NM (United States)
- Texas Univ., Austin, TX (United States). Dept. of Astronomy
We make detailed comparisons between the Halo Beaming Model (HBM) and data from the 3rd BATSE catalog, considering both the spatial and intensity distributions. The effects of a luminosity function are also discussed. In the context of this model, we find that the sampling depth of BATSE is {approximately} 160 kpc and the peak luminosity of burst is {approximately} 10{sup 40} erg/s. The distinctive anisotropies predicted by HBM are inconsistent with the 3B data at the 2{sigma} level, (i.e. HBM can not be ruled out at the 2{sigma} level). Future observations will be capable of placing more stringent limits. We emphasize that GRB sources born in M31 are almost entirely undetectable by BATSE in this model. We briefly discuss the energy budgets for the bursters and the mechanism of spindown alignment.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- National Aeronautics and Space Administration, Washington, DC (United States); American Inst. of Physics, New York, NY (United States)
- OSTI ID:
- 211384
- Report Number(s):
- LA-UR--95-4513; CONF-9510332--1
- Country of Publication:
- United States
- Language:
- English
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