Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.172..493p&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 172, Sept. 1975, p. 493-500.
Astronomy and Astrophysics
Astronomy
52
Binary Stars, Mass Transfer, Time Dependence, White Dwarf Stars, X Ray Stars, Astronomical Models, Gravitational Waves, Magnetic Stars, Neutron Stars, Stellar Mass Ejection, X Ray Astronomy, X Ray Sources
Scientific paper
The hypothesis is considered that the 6.75-min periodicity observed in the transient X-ray source Ariel 1118-61 is due to orbital motion. Such a binary system would consist of a white dwarf transferring matter on to a compact object. The average mass transfer rate is about .1 millionth solar mass per year and is driven almost entirely by gravitational radiation. This rate of mass transfer obscures the X-ray source for most of the time and a transient X-ray source is seen when the mass transfer temporarily drops below this level.
Pringle James E.
Webbink Ronald F.
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