Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN5.9k papers
- University of Chinese Academy of SciencesCN2.2k papers
- Peking UniversityCN1.2k papers
- Centre National de la Recherche ScientifiqueFR759 papers
- Yunnan ObservatoriesCN680 papers
- Shanghai Astronomical ObservatoryCN633 papers
- Beijing Normal UniversityCN630 papers
- Purple Mountain ObservatoryCN616 papers
- Tsinghua UniversityCN578 papers
- Kavli Institute for Theoretical SciencesCN552 papers
- Nanjing UniversityCN462 papers
- Center for Astrophysics Harvard & SmithsonianUS455 papers
27 papers · 2 filters
Type Ia Supernova Distance Modulus Bias and Dispersion From K-correction Errors: A Direct Measurement Using Lightcurve Fits to Observed Spectral Time Series
C. Saunders, G. Aldering, P. Antilogus +34
We estimate systematic errors due to K-corrections in standard photometric analyses of high redshift Type Ia supernovae. Errors due to K-correction occur when the spectral template…
Probing Neutrino Hierarchy and Chirality via Wakes
Hong-Ming Zhu, Ue-Li Pen, Xuelei Chen +1
The relic neutrinos are expected to acquire a bulk relative velocity with respect to the dark matter at low redshifts, and neutrino wakes are expected to develop downstream of the…
Cosmological implications of baryon acoustic oscillation (BAO) measurements
Éric Aubourg, Stephen Bailey, Julian E. Bautista +90
We derive constraints on cosmological parameters and tests of dark energy models from the combination of baryon acoustic oscillation (BAO) measurements with cosmic microwave backgr…
Forecasts on the Dark Energy and Primordial Non-Gaussianity Observations with the Tianlai Cylinder Array
Yidong Xu, Xin Wang, Xuelei Chen
The Tianlai experiment is dedicated to the observation of large scale structures (LSS) by the 21 cm intensity mapping technique. In this paper we make forecasts on its capability a…
How well can cold-dark-matter substructures account for the observed radio flux-ratio anomalies?
Dandan Xu, Dominique Sluse, Liang Gao +5
Discrepancies between the observed and model-predicted radio flux ratios are seen in a number of quadruply-lensed quasars. The most favored interpretation of these anomalies is tha…
Distinguishing general relativity and gravity with the gravitational lensing Minkowski functionals
Chenxiaoji Ling, Qiao Wang, Ran Li +3
We explore the Minkowski functionals of weak lensing convergence map to distinguish between gravity and the general relativity (GR). The mock weak lensing convergence maps a…
Reducing the Tension Between the BICEP2 and the Planck Measurements: A Complete Exploration of the Parameter Space
Yi-Chao Li, Feng-Quan Wu, You-Jun Lu +1
A large inflationary tensor-to-scalar ratio is reported by the BICEP2 team based on their B-mode polarization detection, which is outside…
Measurement of differential magnification
Xinzhong Er
In gravitational lensing, the magnification effect changes the luminosity and size of a background galaxy. If the image sizes are not small compared to the scale over which the mag…
Probing reionization with the cross power spectrum of 21 cm and near-infrared radiation backgrounds
Xiao-Chun Mao
The cross-correlation between the 21 cm emission from the high-redshift intergalactic medium and the near-infrared (NIR) background light from the high-redshift galaxies promises t…
Constraints on the exponential model from latest Hubble parameter measurements
Yun Chen, Chao-Qiang Geng, Chung-Chi Lee +2
We investigate the viable exponential gravity in the metric formalism with . The latest sample of the Hubble parameter measurements with 23 data p…
Offsets between the X-ray and the Sunyaev-Zel'dovich-effect peaks in merging galaxy clusters and their cosmological implications
Congyao Zhang, Qingjuan Yu, Youjun Lu
Observations reveal that the peaks of the X-ray map and the Sunyaev-Zel'dovich (SZ) effect map of some galaxy clusters are offset from each other. In this paper, we perform a set o…
Constraining Photon Mass by Energy-Dependent Gravitational Light Bending
Lei Qian
In the standard model of particle physics, photons are mass-less particles with a particular dispersion relation. Tests of this claim at different scales are both interesting and i…
Redshift evolution of extragalactic rotation measures
J. Xu, J. L. Han
We obtained rotation measures of 2642 quasars by cross-identification of the most updated quasar catalog and rotation measure catalog. After discounting the foreground Galactic Far…
Constraints on Dark Energy from New Observations including Pan-STARRS
Wei Zheng, Si-Yu Li, Hong Li +3
In this paper, we set the new limits on the equation of state parameter (EoS) of dark energy with the observations of cosmic microwave background radiation (CMB) from Planck satell…
Pre-inflationary genesis with CMB B-mode polarization
Zhi-Guo Liu, Hong Li, Yun-Song Piao
Recent B-mode polarization observation seems to imply the tensor tilt at large angular scale, if the primordial signal is dominated. We show that for a primordial un…
Post- constraints on interacting vacuum energy
Yuting Wang, David Wands, Gong-Bo Zhao +1
We present improved constraints on an interacting vacuum model using updated astronomical observations including the first data release from Planck. We consider a model with one di…
The Vainshtein Mechanism in the Cosmic Web
Bridget Falck, Kazuya Koyama, Gong-bo Zhao +1
We investigate the dependence of the Vainshtein screening mechanism on the cosmic web morphology of both dark matter particles and halos as determined by ORIGAMI. Unlike chameleon…
The Properties of Hα Emission-Line Galaxies at z = 2.24
F. X. An, X. Z. Zheng, W. -H. Wang +9
Using deep narrow-band and -band imaging data obtained with CFHT/WIRCam, we identify a sample of 56 H emission-line galaxies (ELGs) at with the 5 dept…
Constraints on Cosmological Models from Hubble Parameters Measurements
Wei Zheng, Hong Li, Jun-Qing Xia +3
In this paper, we study the cosmological constraints from the measurements of Hubble parameters--- data. Here, we consider two kinds of data: the direct probe fr…
Evidence for bouncing evolution before inflation after BICEP2
Jun-Qing Xia, Yi-Fu Cai, Hong Li +1
The BICEP2 collaboration reports a detection of primordial cosmic microwave background (CMB) B-mode with a tensor-scalar ratio (68% C.L.). However, this re…
Cosmological parameter fittings with the BICEP2 data
Fengquan Wu, Yichao Li, Youjun Lu +1
Combining the latest Planck, Wilkinson Microwave Anisotropy Probe (WMAP), and baryon acoustic oscillation (BAO) data, we exploit the recent cosmic microwave background (CMB) B-mode…
The brief era of direct collapse black hole formation
Bin Yue, Andrea Ferrara, Ruben Salvaterra +2
It has been proposed that the first, intermediate-mass () black holes might form through direct collapse of unpolluted gas in atomic-cooling halos exposed…
Microlensing of Sub-parsec Massive Binary Black Holes in Lensed QSOs: Light Curves and Size-Wavelength Relation
Chang-Shuo Yan, Youjun Lu, Qingjuan Yu +2
Sub-parsec binary massive black holes (BBHs) are long anticipated to exist in many QSOs but remain observationally elusive. In this paper, we propose a novel method to probe sub-pa…
Cyclic universe due to phantom and quintessence
Changjun Gao, Youjun Lu, You-Gen Shen
We explore a cyclic universe due to phantom and quintessence fields. We find that, in every cycle of the evolution of the universe, the phantom dominates the cosmic early history a…