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Identification of the donor in GRS 1915+105

J. Greiner, M. J. McCaughrean, J. G. Cuby, A. J. Castro-Tirado, R. E. Mennickent

Published 2000-12-04Version 1

We report on the results of medium-resolution spectroscopy of GRS 1915+105 in the H and K band using the 8m VLT at ESO. We clearly identify absorption bandheads from CO12 and CO13. Together with other features this results in a classification of the donor as a K-M III star.

Comments: 4 pages, Kluwer style, to appear in Astrophys. Space Sci. Rev, Proc. of 3rd Microquasar workshop, Granada, Sep. 2000, Eds. A.J. Castro-Tirado, J. Greiner, J.M. Paredes; all proceedings contr. available at http://www.aip.de/~jcg/granada.html
Journal: Astrophys.Space Sci. 276 (2001) 31-34
Categories: astro-ph
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