Gamma-ray burst fireball model via the compression and heating of binary neutron stars

Details Gamma-ray burst fireball model via the compression and heating of binary neutron stars Gamma-ray burst fireball model via the compression and heating of binary neutron stars

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999stin...0212696m&link_type=abstract

Technical Report, DE2001-14141; UCRL-JC-135059

Astronomy and Astrophysics

Astrophysics

Neutron Stars, Binary Stars, Fireballs, Astrophysics, X Ray Timing Explorer, Emission Spectra, Gamma Rays, Heating, Earth Orbits, Position (Location)

Scientific paper

The origin of gamma-ray bursts (GRBs) has been one of the major outstanding astrophysical problems since their discovery three decades ago. GRBs are observed from Earth orbit daily and are distributed isotropically across the sky, yet attempts to find an optical counterpart have not met with success until recently. In the past two years the field has radically advanced due to high angular resolution burst detections from the BeppoSax X-ray satellite as well as observations from ASCA, RXTE and ROSAT. For the first time arcminute gamma-ray burst locations have been determined quickly enough to allow follow-up searches for optical or radio counterparts. These searches have revealed that at least some gamma-ray bursts involve weak X-ray, optical, or radio transients, and are of cosmological origin. The Mg I absorption and (O II) emission lines along the line of sight from the GRB970508 optical transient, for example indicate a redshift Z greater than or equal to 0.835.

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