The hubble constant
WL Freedman, BF Madore - Annual Review of Astronomy and …, 2010 - annualreviews.org
Considerable progress has been made in determining the Hubble constant over the past
two decades. We discuss the cosmological context and importance of an accurate …
two decades. We discuss the cosmological context and importance of an accurate …
Measurements of the Hubble constant: tensions in perspective
WL Freedman - The Astrophysical Journal, 2021 - iopscience.iop.org
Measurement of the distances to nearby galaxies has improved rapidly in recent decades.
The ever-present challenge is to reduce systematic effects, especially as greater distances …
The ever-present challenge is to reduce systematic effects, especially as greater distances …
Type Ia supernovae and the Hubble constant
D Branch - Annual Review of Astronomy and Astrophysics, 1998 - annualreviews.org
▪ Abstract The focus of this review is the work that has been done during the 1990s on using
Type Ia supernovae (SNe Ia) to measure the Hubble constant (H 0). SNe Ia are well suited …
Type Ia supernovae (SNe Ia) to measure the Hubble constant (H 0). SNe Ia are well suited …
A new measurement of the Hubble constant using Type Ia supernovae calibrated with surface brightness fluctuations
We present a new calibration of the peak absolute magnitude of Type Ia supernovae (SNe
Ia) based on the surface brightness fluctuations (SBF) method, aimed at measuring the …
Ia) based on the surface brightness fluctuations (SBF) method, aimed at measuring the …
A 3% solution: determination of the Hubble constant with the Hubble Space Telescope and Wide Field Camera 3
ABSTRACT We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope
(HST) to determine the Hubble constant from optical and infrared observations of over 600 …
(HST) to determine the Hubble constant from optical and infrared observations of over 600 …
Final results from the Hubble Space Telescope key project to measure the Hubble constant
We present here the final results of the Hubble Space Telescope (HST) Key Project to
measure the Hubble constant. We summarize our method, the results, and the uncertainties …
measure the Hubble constant. We summarize our method, the results, and the uncertainties …
Semi-analytic modelling of the extragalactic background light and consequences for extragalactic gamma-ray spectra
Attenuation of high-energy gamma-rays by pair production with ultraviolet, optical and
infrared (IR) extragalactic background light (EBL) photons provides a link between the …
infrared (IR) extragalactic background light (EBL) photons provides a link between the …
Stellar mass-to-light ratios and the Tully-Fisher relation
We have used a suite of simplified spectrophotometric spiral galaxy evolution models to
argue that there are substantial variations in stellar mass-to-light ratios (M/Ls) within and …
argue that there are substantial variations in stellar mass-to-light ratios (M/Ls) within and …
A semi-analytic model for the co-evolution of galaxies, black holes and active galactic nuclei
We present a new semi-analytic model that self-consistently traces the growth of
supermassive black holes (BH) and their host galaxies within the context of the Lambda cold …
supermassive black holes (BH) and their host galaxies within the context of the Lambda cold …
H 0 revisited
G Efstathiou - Monthly Notices of the Royal Astronomical Society, 2014 - academic.oup.com
I reanalyse the Riess et al.(hereafter) Cepheid data using the revised geometric maser
distance to NGC 4258 of Humphreys et al.(hereafter). I explore different outlier rejection …
distance to NGC 4258 of Humphreys et al.(hereafter). I explore different outlier rejection …