output
20082026
most citedExtreme Coronal Line Emitters: Tidal Disruption of Stars by Massive Black Holes in Galactic Nuclei?

129 citations

Showing astro-ph.GAShow all

58 papers · 1 filter

astro-ph.GA2026

First Submillimeter Lights from Dome A: Tracing the Carbon Cycle in the Feedback of Massive Stars

Yan Gong, Jiaqiang Zhong, Yuan Ren +38

The cycling of carbon between its ionized, atomic, and molecular phases shapes the chemical compositions and physical conditions of the interstellar medium (ISM). However, ground-b…

astro-ph.GA2024★ 1 cited

A comparative study of ultraluminous infrared galaxies in the IRAS and SDSS Surveys

Shaohua Zhang, Zhijian Luo, Xiheng Shi +3

We present a comprehensive study of Ultraluminous Infrared Galaxies (ULIRGs), leveraging data from the IRAS Faint Source Catalogue (FSC) and the spectroscopic catalog in the Sloan…

astro-ph.GA2022★ 2 cited

On the Origin of the Strong Optical Variability of Emission-line Galaxies

Ruqiu Lin, Zhen-Ya Zheng, Weida Hu +9

Emission-line galaxies (ELGs) are crucial in understanding the formation and evolution of galaxies, while little is known about their variability. Here we report the study on the o…

astro-ph.GA2022★ 5 cited

Compact and variable radio emission from an active galaxy with supersoft X-ray emission

Lei Yang, Xinwen Shu, Fabao Zhang +15

RX J1301.9+2747 is a unique active galaxy with supersoft X-ray spectrum that lacks significant emission at energies above 2 keV. In addition, it is one of few galaxies displaying q…

astro-ph.GA2022★ 2 cited

Broad Emission and Absorption Line Outflows in the Quasar SDSS J163345.22+512748.4

Bo Liu, Hongyan Zhou, Xinwen Shu +4

We present a detailed study of the optical and NIR emission and absorption line spectrum of the quasar SDSS J163345.22+512748.4. We discovered on the newly acquired NIR spectrum a…

astro-ph.GA2022★ 4 cited

The 2175 Å~ Bump Features in FeLoBAL Quasars: One Indicator of MW-like Dust in the Nuclear Region of Quasar

Shaohua Zhang, Jian Ge, Tuo Ji +8

To investigate the properties of dust in the nuclear region of quasars, we explored the extinction curves of the iron low-ionization broad absorption line (FeLoBAL) quasar SDSS J16…

astro-ph.GA2022★ 21 cited

Feeding the Accretion Disk from the Dusty Torus in a Reddened Quasar

Ge Li, Xiheng Shi, Qiguo Tian +4

We present here a detailed analysis of an unusual absorption line system in the quasar SDSS J122826.79+100532.2. The absorption lines in the system have a common redshifted velocit…

astro-ph.GA2021★ 29 cited

Mid-InfraRed Outbursts in Nearby Galaxies (MIRONG). II. Optical Spectroscopic Follow-up

Yibo Wang, Ning Jiang, Tinggui Wang +8

Infrared echo has proven to be an effective means to discover transient accretion events of supermassive black holes (SMBHs), such as tidal disruption events (TDEs) and changing-lo…

astro-ph.GA2021★ 54 cited

Evidence of a tidal disruption event in GSN 069 from the abnormal carbon and nitrogen abundance ratio

Zhenfeng Sheng, Tinggui Wang, Gary Ferland +4

GSN 069 is an ultra-soft X-ray active galactic nucleus that previously exhibited a huge X-ray outburst and a subsequent long-term decay. It has recently presented X-ray quasi-perio…

astro-ph.GA2021★ 4 cited

B2 0003+38A: a classical flat-spectrum radio quasar hosted by a rotation-dominated galaxy with a peculiar massive outflow

Qinyuan Zhao, Luming Sun, Lu Shen +3

We present a detailed analysis of the single-slit optical spectrum of the Flat-Spectrum Radio Quasar (FSRQ) B2 0003+38A, taken by the Echellette Spectrograph and Imager (ESI) on th…

astro-ph.GA2021★ 13 cited

Mrk 1239: a Type-2 Counterpart of Narrow-line Seyfert-1?

Xiang Pan, Hongyan Zhou, Chenwei Yang +10

We present new spectrophotometric and spectropolarimetric observations of Mrk 1239, one of the 8 prototypes that defines type-1 narrow-line Seyfert galaxies (NLS1s). Unlike the oth…

astro-ph.GA2020★ 80 cited

Mid-InfraRed Outburst in Nearby Galaxies (MIRONG) I: Sample Selection and Characterization

Ning Jiang, Tinggui Wang, Liming Dou +9

The optical time-domain astronomy has grown rapidly in the past decade but the dynamic infrared sky is rarely explored. Aiming to construct a sample of mid-infrared outburst in nea…

astro-ph.GA2020★ 3 cited

A Broad Absorption Line Outflow Associated with the Broad Emission Line Region in the Quasar SDSS J075133.35+134548.3

Bo Liu, Hongyan Zhou, Xinwen Shu +4

We report the discovery of unusual broad absorption lines (BALs) in the bright quasar SDSS J075133.35+134548.3 at z~1, and present a detailed study of BAL and emission lines using…

astro-ph.GA2020★ 11 cited

A Mid-infrared Flare in the Active Galaxy MCG-02-04-026: Dust Echo of a Nuclear Transient Event

Luming Sun, Ning Jiang, Tinggui Wang +8

We report the discovery of a mid-infrared (MIR) flare using WISE data in the center of the nearby Seyfert 1.9 galaxy MCG-02-04-026. The MIR flare began in the first half of 2014, p…

astro-ph.GA2020★ 2 cited

Ultradense Gases beyond Dusty Torus in a Partially Obscured Quasar

Zhenzhen Li, Hongyan Zhou, Lei Hao +1

The co-evolution between black holes and galaxies suggests that feedback of active galactic nuclei influence host galaxies through ejecting radiative and kinetic energies to surrou…

astro-ph.GA2019★ 9 cited

Discovery of Metastable He I* 10830 Mini-broad Absorption Lines and Very Narrow Paschen Emission Lines in the ULIRG Quasar IRAS F11119+3257

Xiang Pan, Hongyan Zhou, Wenjuan Liu +7

IRAS F11119+3257 is a quasar-dominated Ultra-Luminous InfraRed Galaxy, with a partially obscured narrow-line seyfert 1 nucleus. In this paper, we present the NIR spectroscopy of F1…

astro-ph.GA2019

Profile of and Variability in Double-Peaked Balmer Emission Lines in 3C 445

Shaohua Zhang, Hongyan Zhou, Xiheng Shi +2

We extract the multiple-epoch Balmer-line profiles of the heavily obscured quasar 3C 445 from the spectral curves in the literature, and analyze the emission-line profiles of the H…

astro-ph.GA2019★ 24 cited

Testing the Tremaine-Weinberg Method Applied to Integral-field Spectroscopic Data Using a Simulated Barred Galaxy

Yanfei Zou, Juntai Shen, Martin Bureau +1

Tremaine and Weinberg (TW) proposed a conceptually simple procedure relying on long-slit spectroscopy to measure the pattern speeds of bars () in disk galaxies. Using a…

astro-ph.GA2019★ 31 cited

Fast Inflow Directly Feeding Black Hole Accretion Disk in Quasars

Hongyan Zhou, Xiheng Shi, Weimin Yuan +21

Quasars are high-luminosity active galactic nuclei believed to be powered by accretion of interstellar matter onto a super-massive black hole (SMBH) therein. Most of the observed e…

astro-ph.GA2019★ 93 cited

A comprehensive and uniform sample of broad-line active galactic nuclei from the SDSS DR7

He-Yang Liu, Wen-Juan Liu, Xiao-Bo Dong +4

A new, complete sample of 14,584 broad-line AGNs at is presented, which are uncovered homogeneously from the complete database of galaxies and quasars observed spectroscop…

astro-ph.GA2019★ 23 cited

SDSS J094635.06+101706.1: a redshift one, very radio-loud, γ-ray emitting narrow-line Seyfert 1 galaxy

Su Yao, S. Komossa, Wen-Juan Liu +4

As hybrids of narrow-line Seyfert 1 (NLS1) galaxies and blazars, γ-ray emitting NLS1s are important probes of jet physics in the high Eddington-ratio regime. Only very few of them…

astro-ph.GA2019★ 56 cited

Initial results from a systematic search for changing-look active galactic nuclei selected via mid-infrared variability

Zhenfeng Sheng, Tinggui Wang, Ning Jiang +6

Changing look active-galatic-nuclei (CL AGNs) can yield considerable insight into accretion physics as well as the co-evolution of black holes and their host galaxies. A large samp…

astro-ph.GA2019★ 8 cited

SDSS J153636.22+044127.0 and its analogues: shocked outflows, not active binary black holes

Shaohua Zhang, Hongyan Zhou, Xiheng Shi +6

The binary emission-line system, particularly the binary broad-line emission system, is considered the most effective indicator of the black hole binary. A plausible example of suc…

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…