Chemical Abundances of the Secondary Star in the Black Hole X-Ray Binary V404 Cygni
We present a chemical abundance analysis of the secondary star in the black hole binary V404 Cygni, using Keck I/High Resolution Spectrometer. We adopt a χ2-minimization procedure to derive the stellar parameters, taking into account any possible veiling from the accretion disk. With these parameters we determine the atmospheric abundances of O, Na
González-Hernández, J. I. et al.
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2011