GRS 1915+105: The brightest Galactic black hole

Chris Done (Lead / Corresponding author), Grzegorz Wardziński, Marek Gierliński (Lead / Corresponding author)

Research output: Contribution to journalArticlepeer-review

121 Citations (Scopus)


We compare the evolution of spectral shape with luminosity in GRS 1915+105 with that of 'normal' black holes. The pathological variability of GRS 1915+105, which probably indicates a disc instability, does not require that GRS 1915+105 belongs in a different class to all the other objects. At comparable fractions of Eddington luminosity its spectra and (more importantly) apparent disc stability are both similar to that seen in the 'normal' black holes. Its unique limit-cycle variability only appears when it radiates at uniquely high (super-Eddington) luminosities.

Original languageEnglish
Pages (from-to)393-403
Number of pages11
JournalMonthly Notices of the Royal Astronomical Society
Issue number2
Publication statusPublished - 1 Apr 2004


  • Accretion, accretion discs
  • X-rays: binaries
  • X-rays: individual: GRS 1915+105

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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