activity
20122024
most citedMid-infrared variability of changing-look AGN

148 citations · 1.9k across the 65 of their papers we have counts for

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30 papers · 1 filter

astro-ph.HE2023★ 16 cited

Dissonance in harmony: The UV/optical periodic outbursts of ASASSN-14ko exhibit repeated bumps and rebrightenings

Shifeng Huang, Ning Jiang, Rong-Feng Shen +2

ASASSN-14ko was identified as an abnormal periodic nuclear transient with a potential decreasing period. Its outbursts in the optical and UV bands have displayed a consistent and s…

astro-ph.HE2023★ 13 cited

AT2018dyk Revisited: a Tidal Disruption Event Candidate with Prominent Infrared Echo and Delayed X-ray Emission in a LINER Galaxy

Shifeng Huang, Ning Jiang, Zheyu Lin +2

The multiwavelength data of nuclear transient AT2018dyk, initially discovered as a changing-look low-ionization nuclear emission-line region (LINER) galaxy, has been revisited by u…

astro-ph.HE2023★ 28 cited

Two Candidate Obscured Tidal Disruption Events Coincident with High-energy Neutrinos

Ning Jiang, Ziying Zhou, Jiazheng Zhu +2

Recently, three optical tidal disruption event (TDE) candidates discovered by the Zwicky Transient Facility (ZTF) have been suggested to be coincident with high-energy neutrinos. T…

astro-ph.HE2023★ 16 cited

AT 2023clx: the Faintest and Closest Optical Tidal Disruption Event Discovered in Nearby Star-forming Galaxy NGC 3799

Jiazheng Zhu, Ning Jiang, Tinggui Wang +4

We report the discovery of a faint optical tidal disruption event (TDE) in the nearby star-forming galaxy NGC 3799. Identification of the TDE is based on its position at the galaxy…

astro-ph.HE2023★ 20 cited

SN2017egm: A Helium-rich Superluminous Supernova with Multiple Bumps in the Light Curves

Jiazheng Zhu, Ning Jiang, Subo Dong +28

When discovered, SN~2017egm was the closest (redshift ) hydrogen-poor superluminous supernova (SLSN-I) and a rare case that exploded in a massive and metal-rich galaxy. Thu…

astro-ph.HE2023★ 19 cited

The radio detection and accretion properties of the peculiar nuclear transient AT 2019avd

Yanan Wang, Ranieri D. Baldi, Santiago del Palacio +19

AT 2019avd is a nuclear transient detected from infrared to soft X-rays, though its nature is yet unclear. The source has shown two consecutive flaring episodes in the optical and…

astro-ph.HE2022★ 33 cited

The Luminosity Function of Tidal Disruption Flares for the ZTF-I Survey

Zheyu Lin, Ning Jiang, Xu Kong +4

The high-cadence survey of Zwicky Transient Facility (ZTF) has completely dominated the discovery of tidal disruption events (TDEs) in the past few years and resulted in the larges…

astro-ph.HE2022★ 16 cited

A possible 250-second X-ray quasi-periodicity in the fast blue optical transient AT2018cow

Wenjie Zhang, Xinwen Shu, Jin-Hong Chen +11

The fast blue optical transients (FBOTs) are a new population of extragalactic transients of unclear physical origin. A variety of mechanisms have been proposed including failed su…

astro-ph.HE2022★ 9 cited

X-ray view of a merging supermassive black hole binary candidate SDSSJ1430+2303: Results from the first ~200 days of observations

Liming Dou, Ning Jiang, Tinggui Wang +7

Recently we discovered an unprecedented supermassive black hole binary (SMBHB) candidate in the nearby Seyfert galaxy SDSS J1430+2303, which is predicted to merge within three year…

astro-ph.HE2022★ 32 cited

The Prospects of Finding Tidal Disruption Events with 2.5-Metre Wide-Field Survey Telescope (WFST) Based on Mock Observations

Zheyu Lin, Ning Jiang, Xu Kong

Optical time-domain survey has been the dominant means of hunting for rare tidal disruption events (TDEs) in the past decade and remarkably advanced the TDE study. Particularly, th…

astro-ph.HE2022★ 19 cited

GB6 J2113+1121: A multi-wavelength flaring gamma-ray blazar temporally and spatially coincident with the neutrino event IceCube-191001A

Neng-Hui Liao, Zhen-Feng Sheng, Ning Jiang +6

A radio-emitting tidal disruption event (AT2019dsg) is proposed as a likely counterpart of the IceCube neutrino event IC-191001A. In this work we have revisited the {\it Fermi}-LAT…

astro-ph.HE2022★ 9 cited

Tick-Tock: The Imminent Merger of a Supermassive Black Hole Binary

Ning Jiang, Huan Yang, Tinggui Wang +9

Supermassive black hole binaries (SMBHs) are a fascinating byproduct of galaxy mergers in the hierarchical universe. In the last stage of their orbital evolution, gravitational wav…

astro-ph.HE2022

Response of the Fe K_alpha line emission to the X-ray continuum variability in the changing-look active galactic nucleus NGC 1566

W. C. Liang, X. W. Shu, J. X. Wang +5

NGC 1566 is a changing look AGN known to exhibit recurrent X-ray outbursts with each lasting for several years. The most recent X-ray outburst is observed on 2018, with a substanti…

astro-ph.HE2022★ 19 cited

Discovery of late-time X-ray flare and anomalous emission line enhancement after the nuclear optical outburst in a narrow-line Seyfert 1 Galaxy

W. J. Zhang, X. W. Shu, Z. F. Sheng +7

CSS J102913+404220 is a peculiar narrow line Seyfert 1 galaxy with an energetic nuclear optical outburst. We present a detailed analysis of its multi-wavelength photometric and spe…

astro-ph.HE2021★ 14 cited

Long-term X-ray evolution of SDSS J134244.4+053056.1: A more than 18 year-old, long-lived IMBH-TDE candidate

J. S. He, L. M. Dou, Y. L. Ai +5

SDSS J134244.4+053056 is a tidal disruption event candidate with strong temporal coronal line emitters and a long fading, mid-infrared dust echo. We present detailed analyses of X-…

astro-ph.HE2020★ 45 cited

X-ray flares from the stellar tidal disruption by a candidate supermassive black hole binary

Xinwen Shu, Wenjie Zhang, Shuo Li +8

Optical transient surveys have led to the discovery of dozens of stellar tidal disruption events (TDEs) by massive black hole in the centers of galaxies. Despite extensive searches…

astro-ph.HE2020★ 25 cited

Possible ~0.4 hour X-ray quasi-periodicity from an ultrasoft active galactic nucleus

J. R. Song, X. W. Shu, L. M. Sun +6

RX J1301.9+2747 is an ultrasoft active galactic nucleus (AGN) with unusual X-ray variability that is characterized by a long quiescent state and a short-lived flare state. The X-ra…

astro-ph.HE2020★ 15 cited

Years Delayed X-ray Afterglows of TDEs Originated from Wind-Torus Interactions

Guobin Mou, Liming Dou, Ning Jiang +8

Tidal disruption events (TDEs) occurred in active galactic nuclei (AGNs) are a special class of sources with outstanding scientific significance. TDEs can generate ultrafast winds,…

astro-ph.HE2020★ 11 cited

Compact Radio Emission from Nearby Galaxies with Mid-infrared Nuclear Outbursts

B. B. Dai, X. W. Shu, N. Jiang +5

We present 5.5 GHz observations with the VLA of a sample of nearby galaxies with energetic nuclear outbursts at mid-infrared (MIR) bands. These observations reach a uniform depth d…

astro-ph.HE2020★ 19 cited

Multiwavelength Study of an X-ray Tidal Disruption Event Candidate in NGC 5092

Dongyue Li, R. D. Saxton, Weimin Yuan +7

We present multiwavelength studies of a transient X-ray source, XMMSL1 J131952.3+225958, associated with the galaxy NGC 5092 at detected in the XMM-Newton SLew survey (XM…

astro-ph.HE2020★ 39 cited

The Structure of Tidal Disruption Event Host Galaxies on Scales of Tens to Thousands of Parsecs

K. Decker French, Iair Arcavi, Ann I. Zabludoff +5

We explore the galaxy structure of four tidal disruption event (TDE) host galaxies on 30 pc to kpc scales using HST WFC3 multi-band imaging. The star formation histories of these h…

astro-ph.HE2020★ 3 cited

Multi-wavelength observations of the BL Lac object Fermi J1544-0649: one year after its awakening

P. H. T. Tam, P. S. Pal, Y. D. Cui +15

We report observations of a transient source \fermi\ from radio to \grs. \fermi\ was discovered by the {\it Fermi-LAT} in May 2017. Follow-up {\it Swift-XRT} observations revealed…

astro-ph.HE2019★ 18 cited

Multi-wavelength variability of CGRaBS J0733+0456: identifying a distant -ray blazar at z = 3.01

Neng-Hui Liao, Li-Ming Dou, Ning Jiang +3

We report on OVRO, WISE, Swift and Fermi-LAT observations of the high redshift blazar CGRaBS J0733+0456, from which significant flux variations in radio, infrared (IR) as well as $…

astro-ph.HE2018★ 43 cited

Long-Term Decline of the Mid-Infrared Emission of Normal Galaxies: Dust Echo of Tidal Disruption Flare?

Tinggui Wang, Lin Yan, Liming Dou +3

We report the discovery of a sample of 19 low redshift (z<0.22) spectroscopically non-Seyfert galaxies that show slow declining mid-infrared (MIR) light-curves (LCs), similar to th…