A 2.4% Determination of the Local Value of the Hubble Constant

G. Riess, Adam; M. Macri, Lucas; Hoffmann, Samantha; Scolnic, D.; Casertano, Stefano; V. Filippenko, A.; Tucker, B.; J. Reid, M.; O. Jones, D.; M. Silverman, J.; Chornock, R.; Challis, P.; Yuan, Wenlong; J. Brown, P.; J. Foley, R.

doi:10.48550/arxiv.1604.01424

Public

A 2.4% Determination of the Local Value of the Hubble Constant

Published in OakTrust (Texas A&M University Libraries) • Apr 5, 2016

Authors:

Adam G. Riess

Lucas M. Macri

Samantha Hoffmann

Abstract

We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant (H_0) from 3.3% to 2.4%. Improvements come from new, near-infrared observations of Cepheid variables in 11 new hosts of recent SNe~Ia, more than doubling the ...

Subject

Cepheid variable

Physics

Astrophysics

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