Gamma-rays from HER X-1

Details Gamma-rays from HER X-1 Gamma-rays from HER X-1

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.128..355c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 128, no. 2, Dec. 1986, p. 355-361.

Physics

2

Eclipsing Binary Stars, Gamma Rays, Stellar Radiation, X Ray Binaries, Acceleration (Physics), Particle Production, Space Charge

Scientific paper

The mechanism responsible for the extremely-high-energy 1.24-s pulsed gamma emission of Her-X-1 (observed by Dowthwite et al., 1984, and Baltrusaitis et al., 1985) is discussed. The acceleration of charged particles (including electrons) to relativistic velocities by large electric fields in the vicinity of the magnetic poles of a large rotating neutron star is investigated, and it is concluded that these particles could be the source of the 1-500-TeV gamma rays observed. The proposed model includes a high degree of beaming and predicts that Her X-1 could produce gamma rays of even higher energy (1 PeV or more).

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