Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980oomf.book.....r&link_type=abstract
NASA Tech. Memo., NASA-TM--80738, 13 p.
Astronomy and Astrophysics
Astronomy
1
Bursts, Gamma Ray Astronomy, Gamma Rays, Magellanic Clouds, Neutron Stars, Annihilation Reactions, Electron-Positron Pairs, Pair Production, Red Shift, Stellar Gravitation, Stellar Magnetic Fields, Supernova Remnants, Vibration
Scientific paper
It is proposed that a vibrating neutron star in the Large Magellanic Cloud is the source of the March 5 transient. Neutron star vibrations transport energy rapidly to the surface, heat the atmosphere by wave dissipation, and decay by gravitational radiation reaction. The electromagnetic emission arises from e(+)-e(-) pairs which cool and annihilate in the strong magnetic field of the neutron star. The field also confines the pairs, and this allows the production of the redshifted annihilation feature observed in the data. The redshift implies a gravitational radiation damping time which agrees with the 0.15 second duration of the impulsive phase of the event. Thus, the March 5 transient may be both the first detection of a vibrating neutron star and indirect evidence for gravitational radiation.
Bonazzola Silvano
Cline Thomas L.
Kazanas Demos
Lingenfelter Richard E.
Meszaros Peter
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