activity
20182026
most citedA long decay of X-ray flux and spectral evolution in the supersoft active galactic nucleus GSN 069

67 citations · 158 across the 23 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

20 papers · 1 filter

astro-ph.HE2026

A Unified Timescale Relation for Quasi-Periodic Eruptions and Repeated Nuclear Transients

Shifeng Huang, Tinggui Wang, Ning Jiang +9

Quasi-periodic eruptions (QPEs) and recurrent nuclear transients (RNTs) exhibit recurrent high-amplitude flares from galactic nuclei, yet their characteristic timescales remain poo…

astro-ph.HE2026

Abnormal Nitrogen Abundance in the X-ray Spectrum of Quasi-periodically Erupting Source AT2019wzc

Tao Wu, Xinwen Shu, Luming Sun +3

Quasi-periodic eruptions (QPEs) are rapid, recurring soft X-ray bursts, whose nature is still in dispute. A compelling case of QPEs has emerged in the slowly evolving optical trans…

astro-ph.HE2026

Radio and X-ray flux rebrightening six years after outburst in a partially-obscured extreme changing-look AGN

Tianyao Zhou, Xinwen Shu, Lei Yang +14

SDSS J1548+2208 is a unique partially-obscured nuclear transient that exhibits multiwavelength outbursts in mid-infrared, X-ray and radio. We present the results from multiwaveleng…

astro-ph.HE2026

VLA Observations Confirm AT 2023mfm as an Off-nuclear Tidal Disruption Event

Wenkai Li, Collin T. Christy, Kate D. Alexander +15

We report new radio observations of the tidal disruption event (TDE) AT 2023mfm, which we identified as a high-confidence candidate in a systematic search for off-nuclear TDEs. Hig…

astro-ph.HE2026

Discovery of a Featureless Tidal Disruption Event at z~1 with the Wide Field Survey Telescope

Jiazheng Zhu, Zelin Xu, Ning Jiang +31

We report the discovery of tidal disruption event (TDE) WFST250820mmsw/AT2025wet by the 2.5-meter Wide Field Survey Telescope (WFST). It exhibits a blue nuclear flare throughout th…

astro-ph.HE2026

Dust-obscured radio-emitting tidal disruption event coincident with a high-energy neutrino event

Tianyao Zhou, Xinwen Shu, Guobin Mou +14

Despite the growing number of high-energy neutrinos (TeV-PeV) detected by IceCube, their astrophysical origins remain largely unidentified. Recent observations have linked a few ti…

astro-ph.HE2025★ 8 cited

Ultraviolet Spectral Evidence for Ansky as a Slowly Evolving Featureless Tidal Disruption Event with Quasiperiodic Eruptions

Jiazheng Zhu, Ning Jiang, Yibo Wang +13

X-ray quasi-periodic eruptions (QPEs) are rare and enigmatic phenomena that increasingly show a connection to tidal disruption events (TDEs). However, the recently discovered QPEs…

astro-ph.HE2025

A Star's Death by a Thousand Cuts: The Runaway Periodic Eruptions of AT2023uqm

Yibo Wang, Tingui Wang, Shifeng Huang +37

Stars on bound orbits around a supermassive black hole may undergo repeated partial tidal disruption events (rpTDEs), producing periodic flares. While several candidates have been…

astro-ph.HE2025

Outflow-cloud interaction as the possible origin of the peculiar radio emission in the tidal disruption event AT2018cqh

Lei Yang, Xinwen Shu, Guobin Mou +9

AT2018cqh is a unique optical tidal disruption event (TDE) discovered in a dwarf galaxy exhibiting delayed X-ray and radio flares. We present the results from high-resolution VLBA…

astro-ph.HE2025★ 6 cited

A Torus Remnant Revealed by the Infrared Echo of Tidal Disruption Event AT 2019qiz: Implications for the Missing Energy and Quasiperiodic Eruption Formation

Mingxin Wu, Ning Jiang, Jiazheng Zhu +3

AT 2019qiz is the first standard optical tidal disruption event (TDE) with detection of X-ray quasi-periodic eruptions (QPEs), providing strong evidence for TDE-QPE association. Mo…

astro-ph.HE2025★ 3 cited

Unveiling the Cosmic Dance of Repeated Nuclear Transient ASASSN-14ko: Insights from Multiwavelength Observations

Shifeng Huang, Tinggui Wang, Ning Jiang +15

ASASSN-14ko is a periodically repeating nuclear transient. We conducted high-cadence, multiwavelength observations of this source, revealing several recurrent early bumps and rebri…

astro-ph.HE2025★ 15 cited

EP241021a: a months-duration X-ray transient with luminous optical and radio emission

Shu Xinwen, Yang Lei, Yang Haonan +82

We present the discovery of a peculiar X-ray transient, EP241021a, by the Einstein Probe (EP) mission, and the results from multiwavelength follow-up observations. The transient wa…

astro-ph.HE2025

The Extraordinary Long-lasting Infrared Echo of PS16dtm Reveals an Extremely Energetic Nuclear Outburst

Ning Jiang, Di Luo, Jiazheng Zhu +1

PS16dtm is one of the earliest reported candidate tidal disruption events (TDEs) in active galactic nuclei (AGNs) and displays a remarkably bright and long-lived infrared (IR) echo…

astro-ph.HE2025★ 1 cited

Discovery of a years-delayed radio flare from an unusually slow-evolved tidal disruption event

Zhumao Zhang, Xinwen Shu, Lei Yang +19

SDSS J1115+0544 is a unique low-ionization nuclear emission-line region (LINER) galaxy with energetic ultraviolet (UV), optical and mid-infrared outbursts occurring in its nucleus.…

astro-ph.HE2024

A neutrino flare candidate potentially associated with X-ray emission from tidal disruption event ATLAS17jrp

Rong-Lan Li, Chengchao Yuan, Hao-Ning He +5

Tidal disruption events (TDEs), in which stars are disrupted by supermassive black holes, have been proposed as potential sources of high-energy neutrinos through hadronic interact…

astro-ph.HE2024★ 23 cited

Recurring tidal disruption events a decade apart in IRAS F01004-2237

Luming Sun, Ning Jiang, Liming Dou +16

We report the discovery of a second optical flare that occurred in September 2021 in IRAS F01004-2237, where the first flare occurred in 2010 has been reported, and present a detai…

astro-ph.HE2024★ 34 cited

The unluckiest star: A spectroscopically confirmed repeated partial tidal disruption event AT 2022dbl

Zheyu Lin, Ning Jiang, Tinggui Wang +13

The unluckiest star orbits a supermassive black hole elliptically. Every time it reaches the pericenter, it shallowly enters the tidal radius and gets partially tidal disrupted, pr…

astro-ph.HE2024

AT2023lli: A Tidal Disruption Event with Prominent Optical Early Bump and Delayed Episodic X-ray Emission

Shifeng Huang, Ning Jiang, Jiazheng Zhu +42

High-cadence, multiwavelength observations have continuously revealed the diversity of tidal disruption events (TDEs), thus greatly advancing our knowledge and understanding of TDE…

astro-ph.HE2023

ASASSN-18ap: A Dusty Tidal Disruption Event Candidate with an Early Bump in the Light Curve

Yibo Wang, Tingui Wang, Ning Jiang +7

We re-examined the classification of the optical transient ASASSN-18ap, which was initially identified as a supernova (SNe) upon its discovery. Based on newly emerged phenomena, su…

astro-ph.HE2018★ 67 cited

A long decay of X-ray flux and spectral evolution in the supersoft active galactic nucleus GSN 069

X. W. Shu, S. S. Wang, L. M. Dou +3

GSN 069 is an optically identified very low-mass AGN which shows supersoft X-ray emission. The source is known to exhibit huge X-ray outburst, with flux increased by more than a fa…