NASA NTRS · 19740042582
LX Persei, an eclipsing binary with H and K emission
Abstract
The masses and MK classes were calculated for the eclipsing spectroscopic binary LX Persei. Its spectrum shows strong H and K emission and doubled lines in the photographic region. The Ca II emission velocity shifts vary in phase with the secondary's absorption lines and are presumably associated with this component. The stars are tentatively classed as G0 V and K0 IV, and the cooler component is the more massive by a ratio of 0.96. The system has a period of 8.0 days.
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Weiler, E. J.. 1974-02-01. LX Persei, an eclipsing binary with H and K emission. https://ntrs.nasa.gov/citations/19740042582
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