The Hubble Constant from Infrared Surface Brightness Fluctuation Distances

@article{Blakeslee2021TheHC,
  title={The Hubble Constant from Infrared Surface Brightness Fluctuation Distances},
  author={John P. Blakeslee and Joseph B. Jensen and C.-P. Ma and Peter A. Milne and Jenny E. Greene},
  journal={The Astrophysical Journal},
  year={2021},
  volume={911}
}
We present a measurement of the Hubble constant H 0 from surface brightness fluctuation (SBF) distances for 63 bright, mainly early-type galaxies out to 100 Mpc observed with the WFC3/IR on the Hubble Space Telescope (HST). The sample is drawn from several independent HST imaging programs using the F110W bandpass, with the majority of the galaxies being selected from the MASSIVE survey. The distances reach the Hubble flow with a median statistical uncertainty per measurement of 4%. We construct… 
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