The mass of the dwarf nova EM Cygni

Details The mass of the dwarf nova EM Cygni The mass of the dwarf nova EM Cygni

Oct 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974apj...193..191r&link_type=abstract

Astrophysical Journal, vol. 193, Oct. 1, 1974, pt. 1, p. 191-195.

Astronomy and Astrophysics

Astrophysics

40

Eclipsing Binary Stars, Novae, Stellar Mass, White Dwarf Stars, Electrophotometry, Orbital Elements, Radial Velocity, Stellar Luminosity, Stellar Spectrophotometry, Variable Stars

Scientific paper

The fact that EM Cyg is simultaneously an eclipsing binary and a double-lined spectroscopic binary makes possible the direct determination of the masses of the white dwarf and the red star in this system. To this end the orbital inclination of the system was determined from photoelectric photometry carried out previously and used in conjunction with the calculated spectroscopic orbital elements. The white dwarf and the red star have masses of about 0.70 and 0.90 respectively.

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