Infrared and optical light curves of the dwarf nova EM Cygni
Open Access
- 1 June 1981
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 195 (2) , 235-239
- https://doi.org/10.1093/mnras/195.2.235
Abstract
We report simultaneous infrared and optical light curves of EM Cygni. The infrared curves are dominated by ellipsoidal variations of the late-type star in the system, which must have spectral type near K2V. The distance to the system is estimated as ∼ 320 pc and the accretion disc shown to be close to the minimum size expected from angular-momentum considerations.Keywords
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