Light curve and parameters of the X-ray nova V404 Cygni - The best black hole candidate

Details Light curve and parameters of the X-ray nova V404 Cygni - The best black hole candidate Light curve and parameters of the X-ray nova V404 Cygni - The best black hole candidate

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993azh....70..804a&link_type=abstract

Astronomicheskij Zhurnal, vol. 70, p. 804

Astronomy and Astrophysics

Astronomy

3

X Ray Stars, Black Holes (Astronomy), Light Curve, Novae, Astronomical Photometry, Neutron Stars, Stellar Mass

Scientific paper

The optical light curve of V404 Cyg shows a considerable effect of ellipticity. The behavior of both light and radial-velocity curves is consistent with a binary system model, confirming the correctness of the mass function f(v)(M) = 6.26 solar masses. It is argued that it is a bright G-K star that is the 'donor' in the system which transfers the mass to the relativistic object. The parameters of the binary system determined from light curve analysis suggest that V404 Cyg is the best black hole candidate.

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