546 citations · 3.7k across the 84 of their papers we have counts for
Showing 2017Show all
3 papers · 1 filter
astro-ph.GA2017★ 1 cited
PHL 6625: A Minor Merger-Associated QSO Behind NGC 247
Lian Tao, Hua Feng, Yue Shen +5
PHL 6625 is a luminous quasi-stellar object (QSO) at z = 0.3954 located behind the nearby galaxy NGC 247 (z = 0.0005). Hubble Space Telescope (HST) observations revealed an arc str…
astro-ph.GA2017★ 48 cited
Chandra Survey of Nearby Galaxies: A Significant Population of Candidate Central Black Holes in Late-type Galaxies
Rui She, Luis C. Ho, Hua Feng
Based on the Chandra data archive as of March 2016, we have identified 314 candidate active galactic nuclei in 719 galaxies located closer than 50 Mpc, among them late-type (Hubble…
astro-ph.HE2017★ 546 cited
Ultraluminous X-Ray Sources
Philip Kaaret, Hua Feng, Timothy P. Roberts
We review observations of ultraluminous X-ray sources (ULXs). X-ray spectroscopic and timing studies of ULXs suggest a new accretion state distinct from those seen in Galactic stel…