no code implementations • 24 Feb 2021 • Shuaibo Geng, Shuo Cao, YuTing Liu, Tonghua Liu, Marek Biesiada, Yujie Lian
The redshift distribution of galactic-scale lensing systems provides a laboratory to probe the velocity dispersion function (VDF) of early-type galaxies (ETGs) and measure the evolution of early-type galaxies at redshift z ~ 1.
Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics
no code implementations • 9 Sep 2020 • Sixuan Zhang, Shuo Cao, Jia Zhang, Tonghua Liu, YuTing Liu, Shuaibo Geng, Yujie Lian
In this paper, we investigate the expected constraints on the Hubble constant from the gravitational-wave standard sirens, in a cosmological-model-independent way.
Cosmology and Nongalactic Astrophysics