Delayed gravity wave emission from supernovae - Application to SN 1987 A

Astronomy and Astrophysics – Astronomy

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Gravitational Waves, Neutrinos, Stellar Radiation, Supernova 1987A, Dynamic Stability, Gravitational Collapse, Stellar Evolution

Scientific paper

A neutrino burst was detected from SN 1987 A on February 24, 1987 (Hirata et al. 1987; Bionta et al 1987). At the time, no second-generation (low-temperature) resonant-mass gravitational radiation detectors or laser interferometric detectors were operating. Direct limits on the emission of a burst of gravitational waves from SN 1987 A will be set by room-temperature resonant-mass detectors; a signal at the noise level of these detectors would require about 1000 solar masses to be converted to gravitational radiation, however. In this paper, several possibilities for delayed emission of gravitational radiation from SN 1987 A, and strategies for detection with second-generation detectors, are discussed.

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