activity
20042024
most citedA Comprehensive Study of 2 000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey: I. The Sample

347 citations · 4.4k across the 112 of their papers we have counts for

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Showing 2018Show all

9 papers · 1 filter

astro-ph.IM2018★ 11 cited

Exoplanets in the Antarctic Sky. I. The First Data Release of AST3-II (CHESPA) and New Found Variables within the Southern CVZ of TESS

Hui Zhang, Zhouyi Yu, Ensi Liang +37

Located at Dome A, the highest point of the Antarctic plateau, the Chinese Kunlun station is considered to be one of the best ground-based photometric sites because of its extremel…

astro-ph.GA2018★ 11 cited

A Deeply Buried Narrow-Line Seyfert 1 Nucleus Uncovered in Scattered Light

Xiang Pan, Honglin Lu, S. Komossa +13

We present spectropolarimetric and spectrophotometric observations of the peculiar active galactic nucleus (AGN) SDSS J120300.19+162443.7 (hereafter J1203+1624) at . Its…

astro-ph.GA2018★ 11 cited

Discovery of An Active Intermediate-Mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319

Ning Jiang, Tinggui Wang, Hongyan Zhou +7

We report the discovery of an active intermediate-mass black hole (IMBH) candidate in the center of nearby barred bulgeless galaxy . The point X-ray source revealed b…

astro-ph.EP2018★ 17 cited

Exoplanets in the Antarctic sky. II. 116 Transiting Exoplanet Candidates Found by AST3-II (CHESPA) within the Southern CVZ of TESS

Hui Zhang, Zhouyi Yu, Ensi Liang +37

We report first results from the CHinese Exoplanet Searching Program from Antarctica (CHESPA)---a wide-field high-resolution photometric survey for transiting exoplanets carried ou…

astro-ph.GA2018★ 1 cited

A Strange EUV Emission: Scattered Continuum in the Lymann Limit Absorption Edge toward the Quasar SDSS J125903.26+621211.5?

Xiang Pan, Shaohua Zhang, Hongyan Zhou +5

We identified a peculiar proximate sub-damped Lya absorption system (sub-DLA) at z=3.234 with a neutral hydrogen column density of toward the…

astro-ph.GA2018★ 3 cited

Ultra-dense Broad-line Region Scale Outflow in Highly Reddened Quasar SDSS J145057.28+530007.6

Shaohua Zhang, Hongyan Zhou, Xiheng Shi +3

We report the discovery of highly reddening and hydrogen Balmer and metastable helium broad absorption lines in the quasar SDSS J145057.28+530007.6, based on the optical and near-i…