Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe..38n&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
As a progenitor of NHE (Non High Energy) GRBs (Gamma Ray Bursts), I propose a (C+O) star and a neutron star (black hole) close binary system with separation ~0.2 R_odot. Since the (C+O) star is tidally locked, the collapsing core should have a spin angular momentum ~6 times 1048cgs so that a new born pulsar should be a milli-second pulsar(MSP) (P ~1ms). alpha-Omega dynamo in the first 10s after the bounce of the core will generate a superstrong magnetic field (B ~1016G). The beam of the energy from the super strongly magnetized milli-second pulsar (SSM-MSP) can punch a hole in the supernova ejecta . Then the beam of gamma rays flows out of the ejecta for ~10s with the total energy up to ~2 times 1051erg. If we observe this beam from the lateral direction, the energy of gamma rays should be smaller than 500keV. I will talk on the more details of the model in the mini-symposium.
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