SIMBAD references

2010MNRAS.404..206P - Mon. Not. R. Astron. Soc., 404, 206-211 (2010/May-1)

First overtone CO bands in the giant component of RS Ophiuchi: the 12C/13C ratio in 2008.

PAVLENKO Ya.V., WOODWARD C.E., RUSHTON M.T., KAMINSKY B. and EVANS A.

Abstract (from CDS):

We present an analysis of a high-resolution (R ≃ 40000) infrared spectrum of the RS Oph secondary around the first overtone CO bands, obtained in 2008 May on the Gemini-South 8m telescope. The 12CO and 13CO bands are well resolved, and we compute synthetic spectra to determine the 12C/13C ratio. We find 12C/13C ≃ 16±3, consistent with the interpretation of the secondary as a red giant which has evolved beyond the first dredge-up phase of evolution.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): stars: abundances - binaries: symbiotic - stars: individual: RS Oph - novae, cataclysmic variables

Simbad objects: 4

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