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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
Conference paper

Abstract

We report on medium-resolution H and K band spectroscopy of GRS 1915+ 105 using the 8m VLT at ESO. We clearly identify absorption bandheads from 12CO/13CO. Together with other features we classify the donor as a K-M III star.

Keywords

X-ray binary GRS 1915+105 infrared observations 

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • J. Greiner
    • 1
  • M. J. McCaughrean
    • 1
  • J. G. Cuby
    • 2
  • A. J. Castro-Tirado
    • 3
    • 4
  • R. E. Mennickent
    • 5
  1. 1.Astrophysical Institute PotsdamPotsdamGermany
  2. 2.ESOSantiago 19Chile
  3. 3.Instituto de Astrofísica de AndalucíaGranadaSpain
  4. 4.Laboratorio de Astrofísica Espacial y Física FundamentalMadridSpain
  5. 5.Universidad de ConcepciónConcepcionChile

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