activity
20242026
most citedVelocity-resolved Reverberation Mapping of Changing-look Active Galactic Nucleus NGC 4151 during Outburst Stage. II. Four Season Observation Results

18 citations · 38 across the 15 of their papers we have counts for

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5 papers · 1 filter

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.HE2025★ 1 cited

AT2021aeuk: A Repeating Partial Tidal Disruption Event Candidate in a Narrow-line Seyfert 1 galaxy

Jingbo Sun, Hengxiao Guo, Minfeng Gu +13

A black hole (BH) can tear apart a star that ventures within its tidal radius, producing a luminous flare as the stellar debris falls back, known as a tidal disruption event (TDE).…

astro-ph.HE2024

LEIA discovery of the longest-lasting and most energetic stellar X-ray flare ever detected

Xuan Mao, He-Yang Liu, Song Wang +40

The Lobster Eye Imager for Astronomy (LEIA) detected a new X-ray transient on 2022 November 7, identified as a superflare event occurring on a nearby K-type giant star HD 251108. T…

astro-ph.HE2024★ 1 cited

Unprecedented Continuum Time Delay Variation Phenomenon in an Active Supermassive Black Hole

Shuying Zhou, Mouyuan Sun, Hai-Cheng Feng +12

Resolving the accretion disks and broad line regions (BLRs) of active galactic nuclei (AGNs) can probe the physics behind supermassive black holes (SMBHs) fueling and weigh SMBHs.…

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…