Improved maser-based geometric distance to NGC 4258 (7.576 +/- 0.112 Mpc total error) yields H0 = 73.5 +/- 1.4 km/s/Mpc when combined with other anchors, maintaining a roughly 4.2 sigma tension with Planck.
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An Improved Distance to NGC 4258 and its Implications for the Hubble Constant
Improved maser-based geometric distance to NGC 4258 (7.576 +/- 0.112 Mpc total error) yields H0 = 73.5 +/- 1.4 km/s/Mpc when combined with other anchors, maintaining a roughly 4.2 sigma tension with Planck.