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William G. Hartley

Researcher at University College London

Publications -  55
Citations -  4385

William G. Hartley is an academic researcher from University College London. The author has contributed to research in topics: Galaxy & Redshift. The author has an hindex of 25, co-authored 55 publications receiving 3474 citations. Previous affiliations of William G. Hartley include ETH Zurich & University of Nottingham.

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A gravitational-wave standard siren measurement of the Hubble constant

B. P. Abbott, +1322 more
- 02 Nov 2017 - 
TL;DR: A measurement of the Hubble constant is reported that combines the distance to the source inferred purely from the gravitational-wave signal with the recession velocity inferred from measurements of the redshift using the electromagnetic data.
Journal ArticleDOI

Improved constraints on the expansion rate of the Universe up to z ∼ 1.1 from the spectroscopic evolution of cosmic chronometers

Michele Moresco, +78 more
TL;DR: In this paper, the authors presented new improved constraints on the Hubble parameter H(z) in the redshift range 0.15 -1.1, obtained from the differential spectroscopic evolution of early-type galaxies as a function of redshift.