Accretion onto the Supermassive Black Hole in M87

@article{DiMatteo2003AccretionOT,
  title={Accretion onto the Supermassive Black Hole in M87},
  author={Tiziana Di Matteo and S. W. Allen and Andrew C. Fabian and Andrew J. S. Wilson and Andrew J. Young},
  journal={The Astrophysical Journal},
  year={2003},
  volume={582},
  pages={133 - 140}
}
Chandra X-ray observations of the giant elliptical galaxy M87 resolve the thermal state of the hot interstellar medium into the accretion (Bondi) radius of its central 3 × 109 M☉ black hole. We measure the X-ray gas temperature and density profiles and calculate the Bondi accretion rate, Bondi ~ 0.1 M☉ yr-1. The X-ray luminosity of the active nucleus of M87 observed with Chandra is LX,0.5-7 keV ~ 7 × 1040 ergs s-1. This value is much less than the predicted nuclear luminosity, LBondi ~ 5 × 1044… 

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