87 citations · 860 across the 44 of their papers we have counts for
44 papers
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…
Exploring Tidal Disruption Events with SKA and VLBI: Unveiling the Mystery of Black Hole Feeding and Outflows
Xinwen Shu, Guobin Mou, Tao An +8
Tidal disruption events (TDEs) probe the birth and evolution of black hole accretion flows and jets on human timescales. Radio emission traces shocks and outflows from thermal TDEs…
An Obscured Tidal Disruption Event Uncovered by Its Mid- and Near-Infrared Dust Echo in a Star-Forming Galaxy
Hui Liu, Luming Sun, Ning Jiang +8
We present a comprehensive study of an infrared (IR) flare in the star-forming galaxy SDSS J010320.39+140152.5, which is selected from the sample of mid-IR (MIR) outbursts in nearb…
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…
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…
An 85-s X-ray quasi-periodicity after a stellar tidal disruption by a candidate intermediate-mass black hole
Wenjie Zhang, Xinwen Shu, Luming Sun +4
It is still in dispute the existence of intermediate-mass black holes (IMBHs) with a mass of ~10^3-10^5 solar masses (Msun), which are the missing link between stellar-mass black h…
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.…
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…
Delayed and fast rising radio flares from an optical and X-ray detected tidal disruption event in the center of a dwarf galaxy
Fabao Zhang, Xinwen Shu, Lei Yang +7
AT2018cqh is a unique tidal disruption event (TDE) candidate discovered in a dwarf galaxy. Both the light curve fitting and galaxy scaling relationships suggest a central black hol…
Time Variation of Fine-Structure Constant Constrained by [O III] Emission-Lines at 1.1<z<3.7
Ge Li, Luming Sun, Xiangjun Chen +1
[O III]4960,5008 doublet are often the strongest narrow emission lines in starburst galaxies and quasi-stellar objects (QSOs), and thus are a promising probe to possible variat…
Broadband multi-wavelength study of LHAASO detected AGN
Ze-Rui Wang, Rui Xue, Dingrong Xiong +4
Recently, the Large High Altitude Air Shower Observatory (LHAASO) collaboration presented the first catalog of -ray sources using 508 days of LHAASO data, from March 2021 to Sep…
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…
Transient radio emission from low-redshift galaxies at z<0.3 revealed by VLASS and FIRST surveys
Fabao Zhang, Xinwen Shu, Luming Sun +5
We present the discovery of a sample of 18 low-redshift (z<0.3) galaxies with transient nuclear radio emission. These galaxies are not or weakly detected in the Faint Images of the…
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…
Discovery of ATLAS17jrp as an Optical, X-ray and Infrared Bright TDE in a Star-forming Galaxy
Yibo Wang, Ning Jiang, Tinggui Wang +6
We hereby report the discovery of ATLAS17jrp as an extraordinary TDE in star-forming galaxy SDSSJ162034.99+240726.5 in our recent sample of mid-infrared outbursts in nearby galaxie…
A Mid-infrared Study of Superluminous Supernovae
Luming Sun, Lin Xiao, Ge Li
We present the mid-infrared (MIR) light curves (LC) of 10 superluminous supernovae (SLSNe) at based on WISE data at 3.4 and 4.6 m. Three of them, including PS15br, SN 2…
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…
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…
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…
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…
Infrared Echoes of Optical Tidal Disruption Events: ~1% Dust Covering Factor or Less at sub-parsec Scale
Ning Jiang, Tinggui Wang, Xueyang Hu +3
The past decade has experienced an explosive increase of optically-discovered tidal disruption events (TDEs) with the advent of modern time-domain surveys. However, we still lack a…
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…
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…
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,…