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Colin Hill Profile picture
Colin Hill
@jcolinhill
Assistant professor, physics, Columbia. Opinions are my own. (Cover photo: D. Kellner)
Oct 20, 2020 • 15 tweets • 7 min read
Inspired by arxiv.org/abs/1907.10625 and several important observational updates in recent months, I put together an updated compilation plot of H0 measurements from indirect (cosmological-model-dependent) and direct methods.  References are in the thread below. All units km/s/Mpc H0 Compilation as of 19 October 2020 Planck 2018: arxiv.org/abs/1807.06209  H0 = 67.36 +/- 0.54  This is derived from the CMB TT+TE+EE and CMB lensing power spectra.  ("This value is our “best estimate” of H0 from Planck, assuming the base-LCDM cosmology." on their page 17)