Related papers: SN 2020ank: a bright and fast-evolving H-deficient…

LSQ14bdq: A Type Ic super-luminous supernova with a double-peaked light curve

We present data for LSQ14bdq, a hydrogen-poor super-luminous supernova (SLSN) discovered by the La Silla QUEST survey and classified by the Public ESO Spectroscopic Survey of Transient Objects. The spectrum and light curve are very similar…

Solar and Stellar Astrophysics · Physics 2016-01-14 M. Nicholl , S. J. Smartt , A. Jerkstrand , S. A. Sim , C. Inserra , J. P. Anderson , C. Baltay , S. Benetti , K. Chambers , T. -W. Chen , N. Elias-Rosa , U. Feindt , H. A. Flewelling , M. Fraser , A. Gal-Yam , L. Galbany , M. E. Huber , T. Kangas , E. Kankare , R. Kotak , T. Krühler , K. Maguire , R. McKinnon , D. Rabinowitz , S. Rostami , S. Schulze , K. W. Smith , M. Sullivan , J. L. Tonry , S. Valenti , D. R. Young

Fast and Not-so-Furious: Case Study of the Fast and Faint Type IIb SN 2021bxu

We present photometric and spectroscopic observations and analysis of SN 2021bxu (ATLAS21dov), a low-luminosity, fast-evolving Type IIb supernova (SN). SN 2021bxu is unique, showing a large initial decline in brightness followed by a short…

High Energy Astrophysical Phenomena · Physics 2023-07-13 Dhvanil D. Desai , Chris Ashall , Benjamin J. Shappee , Nidia Morrell , Lluís Galbany , Christopher R. Burns , James M. DerKacy , Jason T. Hinkle , Eric Hsiao , Sahana Kumar , Jing Lu , Mark M. Phillips , Melissa Shahbandeh , Maximilian D. Stritzinger , Eddie Baron , Melina C. Bersten , Peter J. Brown , Thomas de Jaeger , Nancy Elias-Rosa , Gastón Folatelli , Mark E. Huber , Paolo Mazzali , Tomás E. Müller-Bravo , Anthony L. Piro , Abigail Polin , Nicholas B. Suntzeff , Joseph P. Anderson , Kenneth C. Chambers , Ting-Wan Chen , Thomas de Boer , Michael D. Fulton , Hua Gao , Mariusz Gromadzki , Cosimo Inserra , Eugene A. Magnier , Matt Nicholl , Fabio Ragosta , Richard Wainscoat , David R. Young

SN 2020sck: deflagration in a carbon-oxygen white dwarf

We present optical UBVRI photometry and low-to-medium resolution spectroscopic observations of type Iax SN 2020sck spanning -5.5 d to +67 d from maximum light in the B-band. From the photometric analysis we find $\Delta m_{\rm{B}}$(15) =…

Solar and Stellar Astrophysics · Physics 2022-02-16 Anirban Dutta , D. K. Sahu , G. C. Anupama , Simran Joharle , Brajesh Kumar , A. J. Nayana , Avinash Singh , Harsh Kumar , Varun Bhalerao , Sudhansu Barway

Two years of optical and NIR observations of the superluminous supernova UID 30901 discovered by the UltraVISTA SN survey

We present deep optical and near-infrared photometry of UID 30901, a superluminous supernova (SLSN) discovered during the UltraVISTA survey. The observations were obtained with VIRCAM ($YJHK_{s}$) mounted on the VISTA telescope, DECam…

High Energy Astrophysical Phenomena · Physics 2022-04-27 Emilio D. Hueichapán , Carlos Contreras V. , Regis Cartier , Paulina Lira , Paula Sanchez-Saez , Bo Milvang-Jensen , Johan P. U. Fynbo , Joseph P. Anderson , Mario Hamuy

Modeling The Most Luminous Supernova Associated with a Gamma-Ray Burst, SN 2011kl

We study the most luminous known supernova (SN) associated with a gamma-ray burst (GRB), SN 2011kl. The photospheric velocity of SN 2011kl around peak brightness is $21,000\pm7,000$ km s$^{-1}$. Owing to different assumptions related to the…

High Energy Astrophysical Phenomena · Physics 2017-12-13 Shan-Qin Wang , Zach Cano , Ling-Jun Wang , Wei-Kang Zheng , Zi-Gao Dai , Alexei V. Filippenko , Liang-Duan Liu

Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae

We present extensive ultraviolet to optical photometric and optical to near-infrared (NIR) spectroscopic follow-up observations of the nearby intermediate-luminosity ($M_V = -16.81\pm0.19$~mag) Type Iax supernova (SN) 2024pxl in NGC 6384.…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Mridweeka Singh , Lindsey A. Kwok , Saurabh W. Jha , R. Dastidar , Conor Larison , Alexei V. Filippenko , Jennifer E. Andrews , Moira Andrews , G. C. Anupama , Prasiddha Arunachalam , Katie Auchettl , Dominik BÁnhidi , Barnabas Barna , K. Azalee Bostroem , Thomas G. Brink , RÉgis Cartier , Ping Chen , Collin T. Christy , David A. Coulter , Sofia Covarrubias , Kyle W. Davis , Connor B. Dickinson , Yize Dong , Joseph Farah , Andreas FlÖrs , Ryan J. Foley , Noah Franz , Christoffer Fremling , LluÍs Galbany , Anjasha Gangopadhyay , Aarna Garg , Elinor L. Gates , Or Graur , Alexa C. Gordon , Daichi Hiramatsu , Emily Hoang , D. Andrew Howell , Brian Hsu , Joel Johansson , Arti Joshi , Lordrick A. Kahinga , Ravjit Kaur , Sahana Kumar , Piramon Kumnurdmanee , Hanindyo Kuncarayakti , Natalie Lebaron , C. Lidman , Chang Liu , Keiichi Maeda , Kate Maguire , Bailey Martin , Curtis Mccully , Darshana Mehta , Luca M. Menotti , Anne J. Metevier , A. A. Miller , Kuntal Misra , C. Tanner Murphey , Megan Newsome , Estefania Padilla Gonzalez , Kishore C. Patra , Jeniveve Pearson , Anthony L. Piro , Abigail Polin , Aravind P. Ravi , Armin Rest , Nabeel Rehemtulla , Nicolas Meza Retamal , O. M. Robinson , CÉsar Rojas-Bravo , Devendra K. Sahu , David J. Sand , Brian P. Schmidt , Steve Schulze , Michaela Schwab , Manisha Shrestha , Matthew R. Siebert , Sunil Simha , Nathan Smith , Jesper Sollerman , Shubham Srivastav , Bhagya M. Subrayan , TamÁs Szalai , Kirsty Taggart , Rishabh Singh Teja , Jacco H. Terwel , Samaporn Tinyanont , Stefano Valenti , JÓzsef VinkÓ , Aya L. Westerling , J. Craig Wheeler , Yi Yang , Weikang Zheng

Supernova SN 2020faa -- an iPTF14hls look-alike?

We present observations of SN 2020faa. This Type II supernova displays a luminous light curve that started to rebrighten from an initial decline. We investigate this in relation to the famous supernova iPTF14hls, which received a lot of…

High Energy Astrophysical Phenomena · Physics 2021-02-03 S. Yang , J. Sollerman , T. -W. Chen , E. C. Kool , R. Lunnan , S. Schulze , N. Strotjohann , A. Horesh , M. Kasliwal , T. Kupfer , A. A. Mahabal , F. J. Masci , P. Nugent , D. A. Perley , R. Riddle , B. Rusholme , Y. Sharma

Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the $Kepler$ 2 Observations

Supernova (SN) 2018oh (ASASSN-18bt) is the first spectroscopically-confirmed type Ia supernova (SN Ia) observed in the $Kepler$ field. The $Kepler$ data revealed an excess emission in its early light curve, allowing to place interesting…

Solar and Stellar Astrophysics · Physics 2019-01-09 W. Li , X. Wang , J. Vinkó , J. Mo , G. Hosseinzadeh , D. J. Sand , J. Zhang , H. Lin , T. Zhang , L. Wang , J. Zhang , Z. Chen , D. Xiang , L. Rui , F. Huang , X. Li , X. Zhang , L. Li , E. Baron , J. M. Derkacy , X. Zhao , H. Sai , K. Zhang , L. Wang , D. A. Howell , C. McCully , I. Arcavi , S. Valenti , D. Hiramatsu , J. Burke , A. Rest , P. Garnavich , B. E. Tucker , G. Narayan , E. Shaya , S. Margheim , A. Zenteno , A. Villar , G. Dimitriadis , R. J. Foley , Y. -C. Pan , D. A. Coulter , O. D. Fox , S. W. Jha , D. O. Jones , D. N. Kasen , C. D. Kilpatrick , A. L. Piro , A. G. Riess , C. Rojas-Bravo , B. J. Shappee , T. W. -S. Holoien , K. Z. Stanek , M. R. Drout , K. Auchettl , C. S. Kochanek , J. S. Brown , S. Bose , D. Bersier , J. Brimacombe , P. Chen , S. Dong , S. Holmbo , J. A. Muñoz , R. L. Mutel , R. S. Post , J. L. Prieto , J. Shields , D. Tallon , T. A. Thompson , P. J. Vallely , S. Villanueva , S. J. Smartt , K. W. Smith , K. C. Chambers , H. A. Flewelling , M. E. Huber , E. A. Magnier , C. Z. Waters , A. S. B. Schultz , J. Bulger , T. B. Lowe , M. Willman , K. Sárneczky , A. Pál , J. C. Wheeler , A. Bódi , Zs. Bognár , B. Csák , B. Cseh , G. Csörnyei , O. Hanyecz , B. Ignácz , Cs. Kalup , R. Könyves-Tóth , L. Kriskovics , A. Ordasi , I. Rajmon , A. Sódor , R. Szabó , R. Szakáts , G. Zsidi , P. Milne , J. E. Andrews , N. Smith , C. Bilinski , P. J. Brown , J. Nordin , S. C. Williams , L. Galbany , J. Palmerio , I. M. Hook , C. Inserra , K. Maguire , Régis Cartier , A. Razza , C. P. Gutiérrez , J. J. Hermes , J. S. Reding , B. C. Kaiser , J. L. Tonry , A. N. Heinze , L. Denneau , H. Weiland , B. Stalder , G. Barentsen , J. Dotson , T. Barclay , M. Gully-Santiago , C. Hedges , A. M. Cody , S. Howell , J. Coughlin , J. E. Van Cleve , J. Vinícius de Miranda Cardoso , K. A. Larson , K. M. McCalmont-Everton , C. A. Peterson , S. E. Ross , L. H. Reedy , D. Osborne , C. McGinn , L. Kohnert , L. Migliorini , A. Wheaton , B. Spencer , C. Labonde , G. Castillo , G. Beerman , K. Steward , M. Hanley , R. Larsen , R. Gangopadhyay , R. Kloetzel , T. Weschler , V. Nystrom , J. Moffatt , M. Redick , K. Griest , M. Packard , M. Muszynski , J. Kampmeier , R. Bjella , S. Flynn , B. Elsaesser

Optical Observations of the Nearby Type Ia Supernova 2021hpr

We present the optical photometric and spectroscopic observations of the nearby Type Ia supernova (SN) 2021hpr. The observations covered the phase of $-$14.37 to +63.68 days relative to its maximum luminosity in the $B$ band. The evolution…

High Energy Astrophysical Phenomena · Physics 2022-07-19 Yu Zhang , Tianmeng Zhang , Danzengluobu , Zhitong Li , Pinsong Zhao , Bingqing Zhang , Lin Du , Yinan Zhu , Hong Wu

The superluminous supernova SN 2017egm in the nearby galaxy NGC 3191: a metal-rich environment can support a typical SLSN evolution

At redshift z=0.03, the recently-discovered SN 2017egm is the nearest Type I superluminous supernova (SLSN) to date, and first near the center of a massive spiral galaxy (NGC 3191). Using SDSS spectra of NGC 3191, we find a metallicity ~2…

High Energy Astrophysical Phenomena · Physics 2017-08-23 Matt Nicholl , Edo Berger , Raffaella Margutti , Peter K. Blanchard , James Guillochon , Joel Leja , Ryan Chornock

SN 2020kyg and the rates of faint Iax Supernovae from ATLAS

We present multi-wavelength follow-up observations of the ATLAS discovered faint Iax supernova SN 2020kyg that peaked at an absolute magnitude of $M_g \approx -14.9 \pm 0.2$, making it another member of the faint Iax supernova population.…

High Energy Astrophysical Phenomena · Physics 2022-02-09 Shubham Srivastav , S. J. Smartt , M. E. Huber , K. C. Chambers , C. R. Angus , T. -W. Chen , F. P. Callan , J. H. Gillanders , O. R. McBrien , S. A. Sim , M. Fulton , J. Hjorth , K. W. Smith , D. R. Young , K. Auchettl , J. P. Anderson , G. Pignata , T. J. L. de Boer , C. -C. Lin , E. A. Magnier

SN2020bvc: a Broad-lined Type Ic Supernova with a Double-peaked Optical Light Curve and a Luminous X-ray and Radio Counterpart

We present optical, radio, and X-ray observations of SN2020bvc (=ASASSN20bs; ZTF20aalxlis), a nearby ($z=0.0252$; $d$=114 Mpc) broad-lined (BL) Type Ic supernova (SN). Our observations show that SN2020bvc shares several properties in common…

High Energy Astrophysical Phenomena · Physics 2020-10-21 A. Y. Q. Ho , S. R. Kulkarni , D. A. Perley , S. B. Cenko , A. Corsi , S. Schulze , R. Lunnan , J. Sollerman , A. Gal-Yam , S. Anand , C. Barbarino , E. Bellm , R. Bruch , E. Burns , K. De , R. Dekany , A. Delacroix , D. Duev , C. Fremling , D. Goldstein , Z. Golkhou , M. J. Graham , D. Hale , M. M. Kasliwal , T. Kupfer , R. Laher , J. Martikainen , F. J. Masci , J. D. Neill , B. Rusholme , D. L. Shupe , M. T. Soumagnac , N. L. Strotjohann , K. Taggart , L. Tartaglia , L. Yan , J. Zolkower

The Optical/Near-Infrared Light Curves of SN 2002ap for the First 140 Days after Discovery

Supernova (SN) 2002ap in M74 was observed in the $UBVRIJHK$ bands for the first 40 days following its discovery (2002 January 29) until it disappeared because of solar conjunction, and then in June after it reappeared. The magnitudes and…

Astrophysics · Physics 2009-11-07 Y. Yoshii , H. Tomita , Y. Kobayashi , J. Deng , K. Maeda , K. Nomoto , P. A. Mazzali , H. Umeda , T. Aoki , M. Doi , K. Enya , T. Minezaki , M. Suganuma , B. A. Peterson

SN 2020pvb: a Type IIn-P supernova with a precursor outburst

We present photometric and spectroscopic data sets for SN 2020pvb, a Type IIn-P supernova (SN) similar to SNe 1994W, 2005cl, 2009kn and 2011ht, with a precursor outburst detected (PS1 w-band ~ -13.8 mag) around four months before the B-band…

Solar and Stellar Astrophysics · Physics 2024-05-29 Nancy Elias-Rosa , Seán J. Brennan , Stefano Benetti , Enrico Cappellaro , Andrea Pastorello , Alexandra Kozyreva , Peter Lundqvist , Morgan Fraser , Joseph P. Anderso , Yong-Zhi Cai , Ting-Wan Chen , Michel Dennefeld , Mariusz Gromadzki , Claudia P. Gutiérrez , Nada Ihanec , Cosimo Inserra , Erkki Kankare , Rubina Kotak , Seppo Mattila , Shane Moran , Tomás E. Müller-Bravo , Priscila J. Pessi , Giuliano Pignata , Andrea Reguitti , Thomas M. Reynolds , Stephen J. Smartt , Ken Smith , Leonardo Tartaglia , Giorgio Valerin , Thomas de Boer , Kenneth Chambers , Avishay Gal-Yam , Hua Gao , Stefan Geier , Paolo A. Mazzali , Matt Nicholl , Fabio Ragosta , Armin Rest , Ofer Yaron , David R. Young

SN 2020udy: A new piece of the homogeneous bright group in the diverse Iax subclass

We present optical observations and analysis of a bright type Iax SN~2020udy hosted by NGC 0812. The light curve evolution of SN~2020udy is similar to other bright Iax SNe. Analytical modeling of the quasi bolometric light curves of SN…

High Energy Astrophysical Phenomena · Physics 2024-01-17 Mridweeka Singh , Devendra K. Sahu , Barnabas Barna , Anjasha Gangopadhyay , Raya Dastidar , Rishabh Singh Teja , Kuntal Misra , D. Andrew Howell , Xiaofeng Wang , Jun Mo , Shengyu Yan , Daichi Hiramatsu , Craig Pellegrino , G. C. Anupama , Arti Joshi , K. Azalee Bostroem , Jamison Burke , Curtis McCully , Rama Subramanian , Gaici Li , Gaobo Xi , Xin Li , Zhitong Li , Shubham Srivastav , Hyobin Im , Anirban Dutta

Massive stars exploding in a He-rich circumstellar medium. XI. Diverse evolution of five Ibn SNe 2020nxt, 2020taz, 2021bbv, 2023utc and 2024aej

We present the photometric and spectroscopic analysis of five Type Ibn supernovae (SNe): SN 2020nxt, SN 2020taz, SN 2021bbv, SN 2023utc, and SN 2024aej. These events share key observational features and belong to a family of objects similar…

High Energy Astrophysical Phenomena · Physics 2025-08-27 Z. -Y. Wang , A. Pastorello , Y. -Z. Cai , M. Fraser , A. Reguitti , W. -L. Lin , L. Tartaglia , D. Andrew Howell , S. Benetti , E. Cappellaro , Z. -H. Chen , N. Elias-Rosa , J. Farah , A. Fiore , D. Hiramatsu , E. Kankare , Z. -T. Li , P. Lundqvist , P. A. Mazzali , C. McCully , J. Mo , S. Moran , M. Newsome , E. Padilla Gonzalez , C. Pellegrino , Z. -H. Peng , S. J. Smartt , S. Srivastav , M. D. Stritzinger , G. Terreran , L. Tomasella , G. Valerin , G. -J. Wang , X. -F. Wang , T. de Boer , K. C. Chambers , H. Gao , F. -Z. Guo , C. P. Guti'errez , T. Kangas , E. Karamehmetoglu , G. -C. Li , C. -C. Lin , T. B. Lowe , X. -R. Ma , E. A. Magnier , P. Minguez , S. -P. Pei , T. M. Reynolds , R. J. Wainscoat , B. Wang , S. Williams , C. -Y. Wu , J. -J. Zhang , X. -H. Zhang , X. -J. Zhu

Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material

We present photometric, spectroscopic and polarimetric observations of the intermediate-luminosity Type IIP supernova (SN) 2021gmj from 1 to 386 days after the explosion. The peak absolute V-band magnitude of SN 2021gmj is -15.5 mag, which…

High Energy Astrophysical Phenomena · Physics 2024-01-12 Yuta Murai , Masaomi Tanaka , Miho Kawabata , Kenta Taguchi , Rishabh Singh Teja , Tatsuya Nakaoka , Keiichi Maeda , Koji S. Kawabata , Takashi Nagao , Takashi J. Moriya , D. K. Sahu , G. C. Anupama , Nozomu Tominaga , Tomoki Morokuma , Ryo Imazawa , Satoko Inutsuka , Keisuke Isogai , Toshihiro Kasuga , Naoto Kobayashi , Sohei Kondo , Hiroyuki Maehara , Yuki Mori , Yuu Niino , Mao Ogawa , Ryou Ohsawa , Shin-ichiro Okumura , Sei Saito , Shigeyuki Sako , Hidenori Takahashi , Kohki Uno , Masayuki Yamanaka

AT 2020iko: a WZ Sge-type DN candidate with an anomalous precursor event

The ongoing Zwicky Transient Facility (ZTF) survey is generating a massive alert rate from a variety of optical transients and variable stars, which are being filtered down to subsets meeting user-specified criteria by broker systems such…

Solar and Stellar Astrophysics · Physics 2020-12-16 Monika Soraisam , Sarah DeSantis , Chien-Hsiu Lee , Thomas Matheson , Gautham Narayan , Abhijit Saha , David Sand , Carl Stubens , Paula Szkody , Nicholas Wolf , Samuel Wyatt , Ryohei Hosokawa , Nobuyuki Kawai , Katsuhiro Murata

The Type Ia Supernova 2021hem: A 2003fg-like Event in an Apparently Hostless Environment

We report observations of Type Ia SN 2021hem, located in an apparently hostless environment. With a peak absolute B-band magnitude of -19.96 mag, and a lack of secondary maximum in near-infrared and i-band light curves make it resemble…

High Energy Astrophysical Phenomena · Physics 2026-02-18 Subhash Bose , M. D. Stritzinger , A. Malmgaard , C. J. Miller , N. Elias-Rosa , J. P. U. Fynbo , C. Ashall , C. R. Burns , J. M. DerKacy , L. Galbany , C. P. Gutiérrez , W. B. Hoogendam , E. Y. Hsiao , E. A. M. Jensen , K. Medler , Alaa Alburai , J. Anderson , E. Baron , J. Duarte , M. Gromadzki , C. Inserra , P. A. Mazzali , T. E. Müller-Bravo , P. Lundqvist , A. Reguitti , I. Salmaso , D. J. Sand , G. Valerin

Infant Core-collapse Supernovae with Circumstellar Interactions from KMTNet I: Luminous Transitional Case of KSP-SN-2022c

We present $BVi$ multi-band high-cadence observations of a Type II supernova (SN) KSP-SN-2022c from a star-forming galaxy at $z$ $\simeq$ 0.041 from its infant to nebular phase. Early light curve fitting with a single power-law is…

High Energy Astrophysical Phenomena · Physics 2025-04-01 Nan Jiang , Dae-Sik Moon , Yuan Qi Ni , Maria R. Drout , Hong Soo Park , Santiago González-Gaitán , Sang Chul Kim , Youngdae Lee , Ernest Chang