148 citations · 1.9k across the 62 of their papers we have counts for
62 papers
Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy
Jujia Zhang, Luc Dessart, Xiaofeng Wang +11
We present early-time, hour-to-day cadence spectroscopy of the nearby type II supernova (SN II) 2024ggi, which was discovered at a phase when the SN shock just emerged from the red…
SN 2021dbg: A Luminous Type IIP-IIL Supernova Exploding from a Massive Star with a Layered Shell
Zeyi Zhao, Jujia Zhang, Liping Li +9
We present extensive observations and analysis of supernova (SN) 2021dbg, utilizing optical photometry and spectroscopy. For approximately 385 days following the explosion, SN 2021…
The Red Supergiant Progenitor of Type II Supernova 2024ggi
Danfeng Xiang, Jun Mo, Xiaofeng Wang +8
We present a detailed analysis of the progenitor and its local environment for the recently discovered type II supernova (SN) 2024ggi at a distance of about 6.7~Mpc, by utilizing t…
Extended Shock Breakout and Early Circumstellar Interaction in SN 2024ggi
Manisha Shrestha, K. Azalee Bostroem, David J. Sand +40
We present high-cadence photometric and spectroscopic observations of supernova (SN) 2024ggi, a Type II SN with flash spectroscopy features which exploded in the nearby galaxy NGC…
Probing diversity of type II supernovae with the Chinese Space Station Telescope
Han Lin, Jujia Zhang, Xinghan Zhang
Type II supernovae (SNe II), which show abundant hydrogen in their spectra, belong to a class of SNe with diverse observed properties. It is commonly accepted that SNe II are produ…
A Shock Flash Breaking Out of a Dusty Red Supergiant
Gaici Li, Maokai Hu, Wenxiong Li +41
Shock breakout emission is light that arises when a shockwave, generated by core-collapse explosion of a massive star, passes through its outer envelope. Hitherto, the earliest det…
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…
Circumstellar Material Ejected Violently by A Massive Star Immediately before its Death
Jujia Zhang, Han Lin, Xiaofeng Wang +7
Type II supernovae represent the most common stellar explosions in the Universe, for which the final stage evolution of their hydrogen-rich massive progenitors towards core-collaps…
Discovery of the Closest Ultrastripped Supernova: SN 2021agco in UGC 3855
Shengyu Yan, Xiaofeng Wang, Xing Gao +16
We present the discovery and studies of the helium-rich, fast-evolving supernova (SN) 2021agco at a distance of 40 Mpc. Its early-time flux is found to rise from half peak t…
Newly Formed Dust within the Circumstellar Environment of SNIa-CSM 2018evt
Lingzhi Wang, Maokai Hu, Lifan Wang +44
Dust associated with various stellar sources in galaxies at all cosmic epochs remains a controversial topic, particularly whether supernovae (SNe) play an important role in dust pr…
SN 2022vqz: A Peculiar Subluminous Type Ia Supernova with Prominent Early Excess Emission
Gaobo Xi, Xiaofeng Wang, Gaici Li +22
We present extensive photometric and spectroscopic observations of the peculiar Type Ia supernova (SN Ia) 2022vqz. It shares many similarities with the SN 2002es-like SNe Ia, such…
SN 2016ije: An SN 2002es-like Type Ia Supernova Exploded in a Metal-poor and Low-surface Brightness Galaxy
Zhitong Li, Tianmeng Zhang, Xiaofeng Wang +28
We have conducted photometric and spectroscopic observations of the peculiar Type Ia supernova (SN Ia) 2016ije that was discovered through the Tsinghua-NAOC Transient Survey. This…
SN 2018hna: Adding a Piece to the Puzzles of the Explosion of Blue Supergiants
Danfeng Xiang, Xiaofeng Wang, Xinghan Zhang +14
We present extensive optical/ultraviolet observations and modelling analysis for the nearby SN 1987A-like peculiar Type II supernova (SN) 2018hna. Both photometry and spectroscopy…
SN 2019ein: A Type Ia Supernova Likely Originated from a Sub-Chandrasekhar-Mass Explosion
Gaobo Xi, Xiaofeng Wang, Wenxiong Li +12
We present extensive optical photometric and spectroscopic observations for the nearby Type Ia supernova (SN Ia) 2019ein, spanning the phases from days to days…
AT2021acak: a candidate tidal disruption event found in the Zwicky Transient Facility survey
Jie Li, Zhongxiang Wang, Dong Zheng +3
We report a candidate tidal disruption event (TDE) found in the Zwicky Transient Facility (ZTF) survey data. This candidate, with its transient name AT2021acak, showed brightness i…
SN 2019va: A Type IIP Supernova with Large Influence of Nickel-56 Decay on the Plateau-phase Light Curve
Xinghan Zhang, Xiaofeng Wang, Hanna Sai +12
We present multi-band photometric and spectroscopic observations of the type II supernova, (SN) 2019va, which shows an unusually flat plateau-phase evolution in its V-band light cu…
Evolution of A Peculiar Type Ibn Supernova SN 2019wep
Anjasha Gangopadhyay, Kuntal Misra, Griffin Hosseinzadeh +14
We present a high-cadence short term photometric and spectroscopic monitoring campaign of a type Ibn SN 2019wep, which is one of the rare SN Ibn after SNe 2010al and 2019uo to disp…
SN 2012ij: A low-luminosity type Ia supernova and evidence for continuous distribution from 91bg-like explosion to normal ones
Zhitong Li, Tianmeng Zhang, Xiaofeng Wang +24
In this paper, we present photometric and spectroscopic observations of a subluminous type Ia supernova (SN Ia) 2012ij, which has an absolute -band peak magnitude $M_{B,\rm{max}…
SN 2018hfm : A Low-Energy Type II Supernova with Prominent Signatures of Circumstellar Interaction and Dust Formation
Xinghan Zhang, Xiaofeng Wang, Hanna Sai +13
We present multiband optical photometric and spectroscopic observations of an unusual Type II supernova, SN 2018hfm, which exploded in the nearby (d = 34.67 Mpc) dwarf galaxy PGC 1…
SN 2015bq: A Luminous Type Ia Supernova with Early Flux Excess
Liping Li, Jujia Zhang, Benzhong Dai +4
We present optical and ultraviolet (UV) observations of a luminous type Ia supernova (SN Ia) SN 2015bq characterized by the early flux excess. This SN reaches a B-band absolute mag…
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-…
SN 2017fgc: A Fast-Expanding Type Ia Supernova Exploded in Massive Shell Galaxy NGC 474
Xiangyun Zeng, Xiaofeng Wang, Ali Esamdin +31
We present extensive optical photometric and spectroscopic observations of the high-velocity (HV) Type Ia supernova (SN Ia) 2017fgc, covering the phase from 12 d before to $…
ASASSN-14ms:the Most Energetic Known Explosion of a Type Ibn Supernova and its Physical Origin
Xiaofeng Wang, Weili Lin, Jujia Zhang +14
ASASSN-14ms may represent the most luminous Type Ibn supernova (SN~Ibn) ever detected, with an absolute U-band magnitude brighter than -22.0 mag and a total bolometric luminosity >…
SN 2015bf: a fast declining type II supernova with flash-ionised signatures
Han Lin, Xiaofeng Wang, Jujia Zhang +19
We present optical and ultraviolet photometry, as well as optical spectra, for the type II supernova (SN) 2015bf. Our observations cover the phases from to d af…