150 citations · 437 across the 10 of their papers we have counts for
10 papers
Stochastic Electron Acceleration in Shell-Type Supernova Remnants II
Siming Liu, Zhong-Hui Fan, Christopher L. Fryer
We discuss the generic characteristics of stochastic particle acceleration by a fully developed turbulence spectrum and show that resonant interactions of particles with high speed…
Constraints on the star formation histories of galaxies from z~1 to z~0
Yan-Mei Chen, Vivienne Wild, Guinevere Kauffmann +5
We present a new method to estimate the average star formation rate per unit stellar mass (SSFR) of a stacked population of galaxies. We combine the spectra of 600-1000 galaxies wi…
Hbeta Profiles in Quasars: Evidence for an Intermediate-line Region
Chen Hu, Jian-Min Wang, Luis C. Ho +3
We report on a systematic investigation of the Hbeta and Fe II emission lines in a sample of 568 quasars within z < 0.8 selected from the Sloan Digital Sky Survey. The conventional…
A Systematic Analysis of Fe II Emission in Quasars: Evidence for Inflow to the Central Black Hole
Chen Hu, Jian-Min Wang, Luis C. Ho +4
Broad Fe II emission is a prominent feature of the optical and ultraviolet spectra of quasars. We report on a systematical investigation of optical Fe II emission in a large sample…
Spins of the supermassive black hole in M87: new constraints from TeV observations
Jian-Min Wang, Yan-Rong Li, Jain-Cheng Li +1
The rapid TeV ray variability detected in the well-known nearby radio galaxy M87 implies an extremely compact emission region (5-10 Schwarzschild radii) near the horizon of the…
Evolution of cross-correlation and time lag of Cyg X-2 along the branches
Y. J. Lei, J. L. Qu, L. M. Song +6
We report the detections of the anti-correlated soft and hard X-rays, and the time lags of hecto-second from the neutron star low-mass X-ray binary Cyg X-2, a well-known Z-t…