Identification of the donor in GRS 1915+105

A.J. Castro-Tirado (IAA Granada; Chile); Germany); J.G. Cuby (ESO; J. Greiner; M.J. McCaughrean (both AIP Potsdam; R.E. Mennickent (Uni. Concepcion; Spain)

arxiv: astro-ph/0012074 · v1 · submitted 2000-12-04 · 🌌 astro-ph

Identification of the donor in GRS 1915+105

J. Greiner , M.J. McCaughrean (both AIP Potsdam , Germany) , J.G. Cuby (ESO , Chile) , A.J. Castro-Tirado (IAA Granada , Spain) , R.E. Mennickent (Uni. Concepcion This is my paper

classification 🌌 astro-ph

keywords donorresultsabsorptionbandbandheadsclassificationclearlyco12

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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.

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Identification of the donor in GRS 1915+105

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