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- Beijing Normal UniversityCN45 papers
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4 papers · 2 filters
Testing the Universe Jointly with the Redshift-dependent Expansion rate and Angular-diameter and Luminosity Distances
Hao-Yi Wan, Shu-Lei Cao, Fulvio Melia +1
We use three different data sets, specifically measurements from cosmic chronometers, the HII-galaxy Hubble diagram, and reconstructed quasar-core angular-size measurements,…
The constraint ability of Hubble parameter by gravitational wave standard sirens on cosmological parameters
Tong-Jie Zhang, Yang Liu, Zhi-E Liu +3
In this paper, we present the application of a new method measuring Hubble parameter by using the anisotropy of luminosity distance() of the gravitational wave(GW) st…
Toward a direct measurement of the cosmic acceleration: roadmap and forecast on FAST
Kang Jiao, Jian-Chen Zhang, Tong-Jie Zhang +3
HI absorption systems are great targets for direct measurement of the Sandage-Loeb (SL) effect throughout a wide range of redshift for ground-based radio telescopes. We demonstrate…
Using spatial curvature with HII galaxies and cosmic chronometers to explore the tension in
Cheng-Zong Ruan, Fulvio Melia, Yu Chen +1
We present a model-independent measurement of spatial curvature in the Friedmann-Lemaître-Robertson-Walker (FLRW) universe, based on observations of the Hubble parameter $H…