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Discrepant Measurements of the Radial Velocities of SS Cygni: Solution to the Problem
Published online by Cambridge University Press: 12 April 2016
Abstract
We show that the discrepancies among the various measurements of the radial velocity curve of the K5 V star in the dwarf nova SS Cyg have been caused by (1) poor choices of lines for measuring its velocity and (2) large distortions in its velocity caused by heating from the white dwarf and its accretion disk. The correct K velocity of the center of mass of the K5 V star is 158 ± 3 km s−1.
- Type
- II. Radio, IR and Optical Observations
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- Copyright © Reidel 1987