THE BLACK HOLE MASS IN M87 FROM GEMINI/NIFS ADAPTIVE OPTICS OBSERVATIONS

@article{Gebhardt2011THEBH,
  title={THE BLACK HOLE MASS IN M87 FROM GEMINI/NIFS ADAPTIVE OPTICS OBSERVATIONS},
  author={Karl Gebhardt and Joshua Jesse Adams and Douglas O. Richstone and Tod R. Lauer and S. M. Faber and Kayhan G{\"u}ltekin and Jeremy D. Murphy and Scott Tremaine},
  journal={The Astrophysical Journal},
  year={2011},
  volume={729}
}
We present the stellar kinematics in the central 2″ of the luminous elliptical galaxy M87 (NGC 4486), using laser adaptive optics to feed the Gemini telescope integral-field spectrograph, Near-infrared Integral Field Spectrograph (NIFS). The velocity dispersion rises to 480 km s−1 at 0.″2. We combine these data with extensive stellar kinematics out to large radii to derive a black hole mass equal to (6.6 ± 0.4) × 109 M☉, using orbit-based axisymmetric models and including only the NIFS data in… 

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