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Bubble in the Whale: Identifying the Optical Counterparts and Extended Nebula for the Ultraluminous X-ray Sources in NGC 4631
Jing Guo, Jianfeng Wu, Hua Feng +9
We present a deep optical imaging campaign on the starburst galaxy NGC 4631 with CFHT/MegaCam. By supplementing the HST/ACS and Chandra/ACIS archival data, we search for the optica…
Ghost in the Shell: Evidence for Past AGN Activities in NGC 5195 from a Newly Discovered large-scale Ionized Structure
Xiaoyu Xu, Junfeng Wang
The early-type galaxy NGC 5195 (alternatively known as M51b) possesses extended gas features detected in multi-wavelength, postulated to be associated with previous activities of t…
Fast Outflowing Warm Absorbers in Narrow-Line Seyfert 1 Galaxy PG 1001+054 Revealed by HST/COS Spectra
Xiao-Dan Fu, Junfeng Wang, Xiaoyu Xu +1
Narrow-Line Seyfert 1 (NLS1) Galaxies are an important type of active galactic nucleus (AGN), generally expected to be accreting at high Eddington rate. The properties of their out…
On the Hadronic Origin of High Energy Emission of -ray Loud Narrow-Line Seyfert 1 PKS 1502+036
Zhen-Jie Wang, Ze-Rui Wang, Ruo-Yu Liu +1
The radiation mechanism of Radio-Loud Narrow-Line Seyfert 1 (RL-NLS1) from X-ray to -ray bands remains an open question. While the leptonic model has been employed to explain th…
A scaling relation in [C II]-detected galaxies and its likely application in cosmology
Y. Wu, Yu Gao, Jun-Feng Wang
We identify and investigate a possible correlation between the luminosity and linewidth in the -detected galaxies. Observationally, the strength of t…
The Unusual AGN Host NGC 1266: Evidence for Shocks in a Molecular Gas Rich S0 Galaxy with a Low Luminosity Nucleus
Peibin Chen, Yinghe Zhao, Junfeng Wang
NGC 1266 is a lenticular galaxy (S0) hosting an active galactic nucleus (AGN), and known to contain a large amount of shocked gas. We compare the luminosity ratio of mid-\emph{J} C…