Geminga and the 160-min solar oscillation

Details Geminga and the 160-min solar oscillation Geminga and the 160-min solar oscillation

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.308..160f&link_type=abstract

Nature (ISSN 0028-0836), vol. 308, March 8, 1984, p. 160-162.

Astronomy and Astrophysics

Astronomy

9

Binary Stars, Gravitational Waves, Orbital Velocity, Solar Oscillations, Black Holes (Astronomy), Differential Equations, Gamma Rays, Neutron Stars, Solar Eclipses, Stellar Mass

Scientific paper

An analytical discussion is presented to refute the assertion that the observed 160 min solar oscillation could be driven to its measured amplitude by gravitational radiation from a binary star of stellar mass. The study was undertaken because of the nearly exactly opposite periods of the gamma-ray source Geminga and the 160 min oscillation. It is shown that only a sustained resonance between the incident radiation and the solar oscillation mode could yield an observable response. Gravitational radiation, however, would cause the binary star to spin up, thus moving it out of resonance. The calculations do show that 5 min oscillations in the sun could be excited to observable levels by a binary system with a 10 min orbital period and a 1000 AU distance from the sun.

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