Time resolved spectroscopy of cataclysmic variables SS Cygni

Details Time resolved spectroscopy of cataclysmic variables SS Cygni Time resolved spectroscopy of cataclysmic variables SS Cygni

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..597s&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 1, 1980, p. 597-607.

Astronomy and Astrophysics

Astrophysics

58

Astronomical Spectroscopy, Binary Stars, Dwarf Stars, Novae, Stellar Spectra, Cygnus Constellation, Orbital Elements, Radial Velocity, Stellar Mass Ejection, White Dwarf Stars

Scientific paper

Spectroscopic observations of radial velocity variations in the dwarf nova SS Cygni are presented, and the observing and analysis techniques are discussed in detail. The analysis leads to the following orbital elements: K(R) = 153 km/s, K(B) = 90 km/s, P(ORB) = 0.275129 days. Both K(R) and P(ORB) are significantly different from previously published measurements. It is concluded that the white dwarf in SS Cygni may have a mass very near the Chandrasekhar limit.

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