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astro-ph.SR2016★ 47 cited
Optical Identification of Cepheids in 19 Host Galaxies of Type Ia Supernovae and NGC 4258 with the Hubble Space Telescope
Samantha L. Hoffmann, Lucas M. Macri, Adam G. Riess +10
We present results of an optical search for Cepheid variable stars using the Hubble Space Telescope (HST) in 19 hosts of Type Ia supernovae (SNe Ia) and the maser-host galaxy NGC 4…
astro-ph.CO2016★ 2k cited
A 2.4% Determination of the Local Value of the Hubble Constant
Adam G. Riess, Lucas M. Macri, Samantha L. Hoffmann +12
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…