Constraining Gamma-ray Burst Models With Host Galaxy Observations

Details Constraining Gamma-ray Burst Models With Host Galaxy Observations Constraining Gamma-ray Burst Models With Host Galaxy Observations

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe..19b&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

Cosmological burst models predict the type of host galaxy which should be found in an error box or near an optical transient. Our statistical methodology tests different models given the observations. We can show that standard candle bursts must be brighter (and therefore more distant) than previously thought, with energies ~1053 ergs (if radiated isotropically). In the absence of burst redshifts, host galaxy observations provide additional constraints in modeling the burst redshift and (non-standard candle) energy distributions.

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