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Evidence of Contribution of Intervening Clouds to GRB's X-ray Column Density
J. Wang
The origin of excess of X-ray column density with respect to optical extinction in Gamma-ray bursts (GRBs) is still a puzzle. A proposed explanation of the excess is the photoelect…
Insights Into AGN and Host Galaxy Co-evolution From Hard X-ray Emission
J. Wang, X. L. Zhou, J. Y Wei
We study the AGN-host co-evolution issue here by focusing on the correlation between the hard X-ray emission from central AGNs and the stellar populations of the host galaxies. By…
Strong Response of the very broad h Emission Line in Luminous Radio-Quite Quasar pg1416-129
J. Wang, Y. Li
We report new spectroscopic observations performed in 2010 and 2011 for luminous radio-quite quasar PG 1416-129. Our new spectra with high quality cover both H and H regions,…
Evolution of [OIII]5007 emission-line profiles in narrow emission-line galaxies
J. Wang, Y. F. Mao, J. Y. Wei
The AGN-host co-evolution issue is investigated here by focusing on the evolution of the [\ion{O}{3}] emission-line profile. In order to simultaneously measure both [\…
Ongoing Star Formation In AGN Host Galaxy Disks: A View From Core-collapse Supernovae
J. Wang, J. S. Deng, J. Y. Wei
The normalized radial distribution of young stellar populations (and cold gas) in nearby galactic disks is compared between AGN host galaxies and starforming galaxies (both with Hu…
Understanding the AGN-Host Connection in Broad Mgii Emission Selected AGN-Host Hybrid Qausars
J. Wang, J. Y. Wei
We study the issue of AGN-host connection in intermediate-z (1.2>z>0.4) galaxies with hybrid spectra (hybrid QSOs for short). The observed spectra redward of the Balmer limit are d…