823 citations · 6.3k across the 111 of their papers we have counts for
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The Dusty and Extremely Red Progenitor of the Type II Supernova 2023ixf in Messier 101
Danfeng Xiang, Jun Mo, Lingzhi Wang +4
Stars with initial masses in the range of 8-25 solar masses are thought to end their lives as hydrogen-rich supernovae (SNe II). Based on the pre-explosion images of Hubble Space T…
Minute-Cadence Observations of the LAMOST Fields with the TMTS: II. Catalogues of Short-Period Variable Stars from the First Two-Year Surveys
Jie Lin, Xiaofeng Wang, Jun Mo +25
Over the past few years, wide-field time-domain surveys like ZTF and OGLE have led to discoveries of various types of interesting short-period stellar variables, such as ultracompa…
Minute-cadence Observations of the LAMOST Fields with the TMTS: III. Statistic Study of the Flare Stars from the First Two Years
Qichun Liu, Jie Lin, Xiaofeng Wang +22
Tsinghua University-Ma Huateng Telescopes for Survey (TMTS) aims to detect fast-evolving transients in the Universe, which has led to the discovery of thousands of short-period var…
An 18.9-minute Blue Large-Amplitude Pulsator Crossing the 'Hertzsprung Gap' of Hot Subdwarfs
Jie Lin, Chengyuan Wu, Xiaofeng Wang +28
Blue large-amplitude pulsators (BLAPs) represent a new and rare class of hot pulsating stars with unusually large amplitudes and short periods. Up to now, only 24 confirmed BLAPs h…
Gap Transients Interacting with Circumstellar Medium
Y. Cai, A. Reguitti, G. Valerin +1
In the last 20 years, modern wide-field surveys discovered a new class of peculiar transients, which lie in the luminosity gap between standard supernovae and classical novae. Thes…
Multiwavelength observations of Swift J0243.6+6124 from 2017 to 2022
Wei Liu, Jingzhi Yan, Pablo Reig +8
We have obtained optical spectroscopy and photometry data during four years after the event. The long-term photometric light-curve and the equivalent widths of the Halpha and He I…
Formation of ultra-massive carbon-oxygen white dwarfs from the merger of carbon-oxygen and helium white dwarf pairs
Chengyuan Wu, Heran Xiong, Xiaofeng Wang
Ultra-massive white dwarfs (UMWDs) with masses larger than 1.05Msun are basically believed to harbour oxygen-neon (ONe) cores. Recently, Gaia data reveals an enhancement of UMWDs o…
A catalogue of 323 cataclysmic variables from LAMOST DR6
Yongkang Sun, Zhenghao Cheng, Shuo Ye +17
In this work, we present a catalog of cataclysmic variables (CVs) identified from the Sixth Data Release (DR6) of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAM…
SN 2021csp -- the explosion of a stripped envelope star within a H and He-poor circumstellar medium
Morgan Fraser, Maximilian D. Stritzinger, Sean J. Brennan +48
We present observations of SN 2021csp, a unique supernova (SN) which displays evidence for interaction with H- and He- poor circumstellar material (CSM) at early times. Using high-…
The effect of aspherical stellar wind of giant stars on the symbiotic channel of type Ia supernovae
Chengyuan Wu, Dongdong Liu, Xiaofeng Wang +1
The progenitor systems accounting for explosions of type Ia supernovae (SNe Ia) is still under debate. Symbiotic channel is one of the possible progenitor scenarios, in which the W…
Can Helium-detonation Model Explain the Observed Diversity of Type Ia Supernovae?
Wenxiong Li, Xiaofeng Wang, Mattia Bulla +13
We study a sample of 16 Type Ia supernovae (SNe Ia) having both spectroscopic and photometric observations within 2 3 days after the first light. The early colors of such…
Observations of Type Ia Supernova 2014J for Nearly 900 Days and Constraints on Its Progenitor System
Wenxiong Li, Xiaofeng Wang, Maokai Hu +18
We present extensive ground-based and () photometry of the highly reddened, very nearby type Ia supernova (SN Ia) 2014J in M82, covering the phases fr…
On the Ca-strong 1991bg-like type Ia supernova 2016hnk: evidence for a Chandrasekhar-mass explosion
Lluís Galbany, Chris Ashall, Peter Hoeflich +46
We present a comprehensive dataset of optical and near-infrared photometry and spectroscopy of type~Ia supernova (SN) 2016hnk, combined with integral field spectroscopy (IFS) of it…
SN 2014J in M82: New Insights On the Spectral Diversity of Type Ia Supernovae
Kaicheng Zhang, Xiaofeng Wang, JuJia Zhang +25
We present extensive spectroscopic observations for one of the closest type Ia supernovae (SNe Ia), SN 2014J discovered in M82, ranging from 10.4 days before to 473.2 days after B-…
Late-time Flattening of Type Ia Supernova Light Curves: Constraints From SN 2014J in M82
Yi Yang, Lifan Wang, Dietrich Baade +11
The very nearby Type Ia supernova 2014J in M82 offers a rare opportunity to study the physics of thermonuclear supernovae at extremely late phases (800 days). Using the Hu…
Discovery and Follow-up Observations of the Young Type Ia Supernova 2016coj
WeiKang Zheng, Alexei V. Filippenko, Jon Mauerhan +39
The Type~Ia supernova (SN~Ia) 2016coj in NGC 4125 (redshift ) was discovered by the Lick Observatory Supernova Search 4.9 days after the fitted first-light time (FFLT;…
Optical and Ultraviolet Observations of the Very Young Type IIP SN 2014cx in NGC 337
Fang Huang, Xiaofeng Wang, Luca Zampieri +15
Extensive photometric and spectroscopic observations are presented for SN 2014cx, a type IIP supernova (SN) exploding in the nearby galaxy NGC 337. The observations are performed i…
UV-Optical Observation of Type Ia Supernova SN 2013dy in NGC 7250
Qian Zhai, JuJia Zhang, XiaoFeng Wang +15
Extensive and independent observations of Type Ia supernova (SN Ia) SN 2013dy are presented, including a larger set of photometry and optical spectra from a few days before…
A Luminous Peculiar Type Ia Supernova SN 2011hr: More Like SN 1991T or SN 2007if?
Jujia Zhang, Xiaofeng Wang, Michele Sasdelli +23
Photometric and spectroscopic observations of a slowly declining, luminous Type Ia supernova (SN Ia) SN 2011hr in the starburst galaxy NGC 2691 are presented. SN 2011hr is found to…
The expanding light echoes from supernova 2014J in M82
Yi Yang, Lifan Wang, Dietrich Baade +10
We present the measurement of the size and surface brightness of the expanding light echoes from supernova (SN) 2014J in the nearby starburst galaxy M82. Hubble Space Telescope (HS…
Optical observations of a SN 2002cx-like peculiar supernova SN 2013en in UGC 11369
Zheng-Wei Liu, Jujia Zhang, Fabrizio Ciabattari +7
We present optical observations of a SN 2002cx-like supernova SN 2013en in UGC 11369, spanning from a phase near maximum light (t= +1 d) to t= +60 d with respect to the R-band maxi…
SN 2013ej in M74: A Luminous and Fast-declining Type II-P Supernova
Fang Huang, Xiaofeng Wang, Jujia Zhang +7
We present extensive ultraviolet, optical, and near-infrared observations of the type IIP supernova (SN IIP) 2013ej in the nearby spiral galaxy M74. The multicolor light curves, sp…
Investigations of supernovae and supernova remnants in the era of SKA
Lingzhi Wang, Xiaohong Cui, Hui Zhu +2
Two main physical mechanisms are used to explain supernova explosions: thermonuclear explosion of a white dwarf(Type Ia) and core collapse of a massive star (Type II and Type Ib/Ic…
Optical and Ultraviolet Observations of the Narrow-Lined Type Ia SN 2012fr in NGC 1365
JuJia Zhang, XiaoFeng Wang, JinMing Bai +5
Extensive optical and ultraviolet (UV) observations of the type Ia supernova (SN Ia) 2012fr are presented in this paper. It has a relatively high luminosity, with an absolute -b…