Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....72..120c&link_type=abstract
Astronomy and Astrophysics, vol. 72, no. 1-2, Feb. 1979, p. 120-128. Research supported by the National Research Council of Can
Astronomy and Astrophysics
Astrophysics
65
Binary Stars, Gravitational Waves, Neutron Stars, Pulsars, X Ray Stars, Angular Momentum, Gravitational Collapse, Stellar Evolution, Stellar Rotation, Supernovae
Scientific paper
The galactic formation rate of short-period neutron-star binaries is estimated to be (2.9 + or -1.6) x 10 to the -4th per yr. The probability that a massive X-ray binary will not be disrupted by the second supernova (SN) explosion is estimated to be about 0.15 on observational grounds. Either SN core collapses or the decay of neutron-star binaries is expected to be the principal source of detectable gravitational waves (GW) above 1 Hz. The proportion of GW due to SN collapses to GW due to neutron-star binaries is a very strong function of the SN core angular momentum. The frequency spectrum of detected GW events will peak on either side of 1 kHz depending on the distribution of SN core angular momenta. A sensitivity 10 to the -8th to 10 to the -10th gravitational pulse unit will be necessary for a detection rate of one event per year.
Clark P. A. J.
Sutantyo W.
van den Heuvel Edward Peter Jacobus
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