Related papers: The Highly Luminous Type Ibn Supernova ASASSN-14ms

ASASSN-14ms:the Most Energetic Known Explosion of a Type Ibn Supernova and its Physical Origin

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 >1.0x10^{44} erg/s near maximum light. The early-time spectra…

High Energy Astrophysical Phenomena · Physics 2021-09-08 Xiaofeng Wang , Weili Lin , Jujia Zhang , Tianmeng Zhang , Yongzhi Cai , Kaicheng Zhang , Alexei V. Filippenko , Melissa Graham , Keiichi Maeda , Jun Mo , Danfeng Xiang , Gaobo Xi , Shengyu Yan , Lifan Wang , Lingjun Wang , Koji Kawabata , Qian Zhai

Massive stars exploding in a He-rich circumstellar medium - IX. SN 2014av, and characterization of Type Ibn SNe

We present spectroscopic and photometric data of the Type Ibn supernova (SN) 2014av, discovered by the Xingming Observatory Sky Survey. Stringent pre-discovery detection limits indicate that the object was detected for the first time about…

Solar and Stellar Astrophysics · Physics 2015-12-23 A. Pastorello , X. -F. Wang , F. Ciabattari , D. Bersier , P. A. Mazzali , X. Gao , Z. Xu , J. -J. Zhang , S. Tokuoka , S. Benetti , E. Cappellaro , N. Elias-Rosa , A. Harutyunyan , F. Huang , M. Miluzio , J. Mo , P. Ochner , L. Tartaglia , G. Terreran , L. Tomasella , M. Turatto

ASASSN-15lh: A Highly Super-Luminous Supernova

We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an absolute magnitude of M_{u,AB} = -23.5+/-0.1 and bolometric luminosity L_bol =…

High Energy Astrophysical Phenomena · Physics 2016-01-15 Subo Dong , B. J. Shappee , J. L. Prieto , S. W. Jha , K. Z. Stanek , T. W. -S. Holoien , C. S. Kochanek , T. A. Thompson , N. Morrell , I. B. Thompson , U. Basu , J. F. Beacom , D. Bersier , J. Brimacombe , J. S. Brown , F. Bufano , Ping Chen , E. Conseil , A. B. Danilet , E. Falco , D. Grupe , S. Kiyota , G. Masi , B. Nicholls , F. Olivares , G. Pignata , G. Pojmanski , G. V. Simonian , D. M. Szczygiel , P. R. Wozniak

Massive stars exploding in a He-rich circumstellar medium - VII. The metamorphosis of ASASSN-15ed from a narrow line Type Ibn to a normal Type Ib Supernova

We present the results of the spectroscopic and photometric monitoring campaign of ASASSN-15ed. The transient was discovered quite young by the All Sky Automated Survey for SuperNovae (ASAS-SN). Amateur astronomers allowed us to sample the…

Solar and Stellar Astrophysics · Physics 2015-10-01 A. Pastorello , J. L. Prieto , N. Elias-Rosa , D. Bersier , G. Hosseinzadeh , A. Morales-Garoffolo , U. M. Noebauer , S. Taubenberger , L. Tomasella , C. S. Kochanek , E. Falco , U. Basu , J. F. Beacom , S. Benetti , J. Brimacombe , E. Cappellaro , A. B. Danilet , Subo Dong , J. M. Fernandez , N. Goss , V. Granata , A. Harutyunyan , T. W. -S. Holoien , E. E. O. Ishida , S. Kiyota , G. Krannich , B. Nicholls , P. Ochner , G. Pojmanski , B. J. Shappee , G. V. Simonian , K. Z. Stanek , S. Starrfield , D. Szczygiel , L. Tartaglia , G. Terreran , T. A. Thompson , M. Turatto , R. M. Wagner , W. S. Wiethoff , A. Wilber , P. R. Wozniak

Massive stars exploding in a He-rich circumstellar medium XII. SN 2024acyl: A fast, linearly declining Type Ibn supernova with early flash-ionisation features

We present a photometric and spectroscopic analysis of the Type Ibn supernova (SN) 2024acyl. It rises to an absolute magnitude peak of about -17.58 mag in 10.6 days, and displays a rapid linear post-peak light-curve decline in all bands,…

Solar and Stellar Astrophysics · Physics 2026-03-04 Y. -Z. Cai , A. Pastorello , K. Maeda , J. -W. Zhao , Z. -Y. Wang , Z. -H. Peng , A. Reguitti , L. Tartaglia , A. V. Filippenko , Y. Pan , G. Valerin , B. Kumar , Z. Wang , M. Fraser , J. P. Anderson , S. Benetti , S. Bose , T. G. Brink , E. Cappellaro , T. -W. Chen , X. -L. Chen , N. Elias-Rosa , A. Esamdin , A. Gal-Yam , M. González-Bañuelos , M. Gromadzki , C. P. Gutiérrez , A. Iskandar , C. Inserra , T. Kangas , E. Kankare , T. Kravtsov , H. Kuncarayakti , L. -P. Li , C. -X. Liu , X. -K. Liu , P. Lundqvist , K. Matilainen , S. Mattila , S. Moran , T. E. Müller-Bravo , T. Nagao , T. Petrushevska , G. Pignata , I. Salmaso , S. J. Smartt , J. Sollerman , M. D. Stritzinger , S. Srivastav , L. -T. Wang , S. -Y. Yan , Y. Yang , Y. -P. Yang , W. Zheng , X. -Z. Zou , L. -Y. Chen , X. -L. Du , Q. -L. Fang , A. Fiore , F. Ragosta , S. Zha , J. -J. Zhang , X. -W. Liu , J. -M. Bai , B. Wang , X. -F. Wang

ASASSN-13dn: A Luminous and Double-Peaked Type II Supernova

We present observations of ASASSN-13dn, one of the first supernovae discovered by ASAS-SN, and a new member of the rare group of Luminous Type II Supernovae (LSNe II). It was discovered near maximum light, reaching an absolute magnitude of…

Solar and Stellar Astrophysics · Physics 2025-10-08 E. Hueichapán , J. L. Prieto , R. Cartier , C. Contreras , M. Bersten , T. Moriya , C. Kochanek , B. J. Shappee

ASASSN-14dq: A fast-declining type II-P Supernova in a low-luminosity host galaxy

Optical broadband (UBVRI) photometric and low-resolution spectroscopic observations of the type II-P supernova (SN) ASASSN-14dq are presented. ASASSN-14dq exploded in a low-luminosity/metallicity host galaxy UGC 11860, the signatures of…

High Energy Astrophysical Phenomena · Physics 2018-08-08 Avinash Singh , S. Srivastav , Brajesh Kumar , G. C. Anupama , D. K. Sahu

OGLE-2014-SN-131: A long-rising Type Ibn supernova from a massive progenitor

Type Ibn supernovae (SNe Ibn) are thought to be the core-collapse explosions of massive stars whose ejecta interact with He-rich circumstellar material (CSM). We report the discovery of a SN Ibn, with the longest rise-time ever observed,…

High Energy Astrophysical Phenomena · Physics 2017-06-23 E. Karamehmetoglu , F. Taddia , J. Sollerman , Ł. Wyrzykowski , S. Schmidl , M. Fraser , C. Fremling , J. Greiner , C. Inserra , Z. Kostrzewa-Rutkowska , K. Maguire , S. Smartt , M. Sullivan , D. R. Young

A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf

We present the results of the monitoring campaign of the Type IIn supernova (SN) 2018cnf (aka ASASSN-18mr). It was discovered about 10 days before the maximum light (on MJD = 58293.4+-5.7 in the V band, with MV = -18.13+-0.15 mag). The…

Solar and Stellar Astrophysics · Physics 2019-09-04 A. Pastorello , A. Reguitti , A. Morales-Garoffolo , Z. Cano , S. J. Prentice , D. Hiramatsu , J. Burke , E. Kankare , R. Kotak , T. Reynolds , S. J. Smartt , S. Bose , Ping Chen , E. Congiu , Subo Dong , S. Geier , M. Gromadzki , E. Y. Hsiao , S. Kumar , P. Ochner , G. Pignata , L. Tomasella , L. Wang , I. Arcavi , C. Ashall , E. Callis , A. de Ugarte Postigo , M. Fraser , G. Hosseinzadeh , D. A. Howell , C. Inserra , D. A. Kann , E. Mason , P. A. Mazzali , C. McCully , O. Rodriguez , M. M. Phillips , K. W. Smith , L. Tartaglia , C. C. Thoene , T. Wevers , D. R. Young , M. L. Pumo , T. B. Lowe , E. A. Magnier , R. J. Wainscoat , C. Waters , D. E. Wright

The Young and Bright Type Ia Supernova ASASSN-14lp: Discovery, Early-Time Observations, First-Light Time, Distance to NGC 4666, and Progenitor Constraints

On 2014 Dec. 9.61, the All-Sky Automated Survey for SuperNovae (ASAS-SN or "Assassin") discovered ASASSN-14lp just $\sim2$ days after first light using a global array of 14-cm diameter telescopes. ASASSN-14lp went on to become a bright…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-03 B. J. Shappee , A. L. Piro , T. W. -S. Holoien , J. L. Prieto , C. Contreras , K. Itagaki , C. R. Burns , C. S. Kochanek , K. Z. Stanek , E. Alper , U. Basu , J. F. Beacom , D. Bersier , J. Brimacombe , E. Conseil , A. B. Danilet , Subo Dong , E. Falco , D. Grupe , E. Y. Hsiao , S. Kiyota , N. Morrell , J. Nicolas , M. M. Phillips , G. Pojmanski , G. Simonian , M. Stritzinger , D. M. Szczygieł , T. A. Thompson , J. Thorstensen , M. Wagner , P. R. Woźniak

Massive stars exploding in a He-rich circumstellar medium. VI. Observations of two distant Type Ibn supernova candidates discovered by La Silla-QUEST

We present optical observations of the peculiar stripped-envelope supernovae (SNe) LSQ12btw and LSQ13ccw discovered by the La Silla-QUEST survey. LSQ12btw reaches an absolute peak magnitude of M(g) = -19.3 +- 0.2, and shows an asymmetric…

Solar and Stellar Astrophysics · Physics 2015-06-23 A. Pastorello , E. Hadjiyska , D. Rabinowitz , S. Valenti , M. Turatto , G. Fasano , S. Benitez-Herrera , C. Baltay , S. Benetti , M. T. Botticella , E. Cappellaro , N. Elias-Rosa , N. Ellman , U. Feindt , A. V. Filippenko , M. Fraser , A. Gal-Yam , M. L. Graham , D. A. Howell , C. Inserra , P. L. Kelly , R. Kotak , M. Kowalski , R. McKinnon , A. Morales-Garoffolo , P. E. Nugent , S. J. Smartt , K. W. Smith , M. D. Stritzinger , M. Sullivan , S. Taubenberger , E. S. Walker , O. Yaron , D. R. Young

ASASSN-18am/SN 2018gk : An overluminous Type IIb supernova from a massive progenitor

ASASSN-18am/SN 2018gk is a newly discovered member of the rare group of luminous, hydrogen-rich supernovae (SNe) with a peak absolute magnitude of $M_V \approx -20$ mag that is in between normal core-collapse SNe and superluminous SNe.…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Subhash Bose , Subo Dong , C. S. Kochanek , M. D. Stritzinger , Chris Ashall , Stefano Benetti , E. Falco , Alexei V. Filippenko , Andrea Pastorello , Jose L. Prieto , Auni Somero , Tuguldur Sukhbold , Junbo Zhang , Katie Auchettl , Thomas G. Brink , J. S. Brown , Ping Chen , A. Fiore , Dirk Grupe , T. W. -S. Holoien , Peter Lundqvist , Seppo Mattila , Robert Mutel , David Pooley , R. S. Post , N. Reddy , Thomas M. Reynolds , Benjamin J. Shappee , K. Z. Stanek , Todd A. Thompson , S. Villanueva , WeiKang Zheng

Massive stars exploding in a He-rich circumstellar medium. V. Observations of the slow-evolving SN Ibn OGLE-2012-SN-006

We present optical observations of the peculiar Type Ibn supernova (SN Ibn) OGLE-2012-SN-006, discovered and monitored by the OGLE-IV survey, and spectroscopically followed by PESSTO at late phases. Stringent pre-discovery limits constrain…

Solar and Stellar Astrophysics · Physics 2015-06-23 A. Pastorello , L. Wyrzykowski , S. Valenti , J. L. Prieto , S. Kozlowski , A. Udalski , N. Elias-Rosa , A. Morales-Garoffolo , J. P. Anderson , S. Benetti , M. Bersten , M. T. Botticella , E. Cappellaro , G. Fasano , M. Fraser , A. Gal-Yam , M. Gillone , M. L. Graham , J. Greiner , S. Hachinger , D. A. Howell , C. Inserra , J. Parrent , A. Rau , S. Schulze , S. J. Smartt , K. W. Smith , M. Turatto , O. Yaron , D. R. Young , M. Kubiak , M. K. Szymanski , G. Pietrzynski , I. Soszynski , K. Ulaczyk , R. Poleski , P. Pietrukowicz , J. Skowron , P. Mroz

SN 2015bn: a detailed multi-wavelength view of a nearby superluminous supernova

We present observations of SN 2015bn (= PS15ae = CSS141223-113342+004332 = MLS150211-113342+004333), a Type I superluminous supernova (SLSN) at redshift $z=0.1136$. As well as being one of the closest SLSNe I yet discovered, it is…

Solar and Stellar Astrophysics · Physics 2016-07-25 M. Nicholl , E. Berger , S. J. Smartt , R. Margutti , A. Kamble , K. D. Alexander , T. -W. Chen , C. Inserra , I. Arcavi , P. K. Blanchard , R. Cartier , K. C. Chambers , M. J. Childress , R. Chornock , P. S. Cowperthwaite , M. Drout , H. A. Flewelling , M. Fraser , A. Gal-Yam , L. Galbany , J. Harmanen , T. W. -S. Holoien , G. Hosseinzadeh , D. A. Howell , M. E. Huber , A. Jerkstrand , E. Kankare , C. S. Kochanek , Z. -Y. Lin , R. Lunnan , E. A. Magnier , K. Maguire , C. McCully , M. McDonald , B. D. Metzger , D. Milisavljevic , A. Mitra , T. Reynolds , J. Saario , B. J. Shappee , K. W. Smith , S. Valenti , V. A. Villar , C. Waters , D. R. Young

SN 2014ab: An Aspherical Type IIn Supernova with Low Polarization

We present photometry, spectra, and spectropolarimetry of supernova (SN) 2014ab, obtained through $\sim 200$ days after peak brightness. SN 2014ab was a luminous Type IIn SN ($M_V < -19.14$ mag) discovered after peak brightness near the…

Solar and Stellar Astrophysics · Physics 2020-09-02 Christopher Bilinski , Nathan Smith , G. Grant Williams , Paul Smith , Jennifer Andrews , Kelsey I. Clubb , WeiKang Zheng , Alexei V. Filippenko , Ori D. Fox , Griffin Hosseinzadeh , D. Andrew Howell , Patrick L. Kelly , Peter Milne , D. J. Sand , Jennifer L. Hoffman , Douglas C. Leonard , Samantha Cargill , Chadwick Casper , Goni Halevy , Haejung Kim , Sahana Kumar , Kenia Pina , Heechan Yuk

The possible detection of a binary companion to a Type Ibn supernova progenitor

We present late-time observations of the site of the Type Ibn supernova (SN) 2006jc acquired with the Hubble Space Telescope Advanced Camera for Surveys. A faint blue source is recovered at the SN position with brightness…

Solar and Stellar Astrophysics · Physics 2016-12-21 J. R. Maund , A. Pastorello , S. Mattila , K. Itagaki , T. Boles

ASASSN-18tb: A Most Unusual Type Ia Supernova Observed by TESS and SALT

We present photometric and spectroscopic observations of the unusual Type Ia supernova ASASSN-18tb, including a series of SALT spectra obtained over the course of nearly six months and the first observations of a supernova by the Transiting…

High Energy Astrophysical Phenomena · Physics 2020-01-20 P. J. Vallely , M. Fausnaugh , S. W. Jha , M. A. Tucker , Y. Eweis , B. J. Shappee , C. S. Kochanek , K. Z. Stanek , Ping Chen , Subo Dong , J. L. Prieto , T. Sukhbold , Todd A. Thompson , J. Brimacombe , M. D. Stritzinger , T. W. -S. Holoien , D. A. H. Buckley , M. Gromadzki , Subhash Bose

PS1-12sk is a Peculiar Supernova From a He-rich Progenitor System in a Brightest Cluster Galaxy Environment

We report on our discovery and observations of the Pan-STARRS1 supernova (SN) PS1-12sk, a transient with properties that indicate atypical star formation in its host galaxy cluster or pose a challenge to popular progenitor system models for…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-17 N. E. Sanders , A. M. Soderberg , R. J. Foley , R. Chornock , D. Milisavljevic , R. Margutti , M. R. Drout , M. Moe , E. Berger , W. R. Brown , R. Lunnan , S. J. Smartt , M. Fraser , R. Kotak , L. Magill , K. W. Smith , D. Wright , K. Huang , Y. Urata , J. S. Mulchaey , A. Rest , D. J. Sand , L. Chomiuk , A. S. Friedman , R. P. Kirshner , G. H. Marion , J. L. Tonry , W. S. Burgett , K. C. Chambers , K. W. Hodapp , R. P. Kudritzki , P. A. Price

The Enigmatic Type Icn Supernova 2024abvb Located ~22 kpc from Its Host Galaxy

We report multiwavelength observations of the highly offset (~22.4 kpc) SN 2024abvb, the sixth Type Icn supernova to date. With a peak magnitude of Mr = -19.55 +/- 0.11 mag, it is among the most luminous in the existing sample and shows…

High Energy Astrophysical Phenomena · Physics 2026-02-19 J. Shi , K. Auchettl , W. B. Hoogendam , D. Farias , N. Sarin , K. W. Davis , N. Morrell , J. T. Hinkle , D. O. Jones , C. Lidman , C. Angus , C. Ashall , C. R. Burns , D. D. Desai , A. Do , L. Galbany , E. Y. Hsiao , M. E. Huber , M. Y. Kong , B. Martin , K. Medler , A. Möller , C. Pfeffer , A. Polin , L. Rauf , S. Romagnoli , B. Schmidt , B. J. Shappee , M. D. Stritzinger , A. Syncatto , B. E. Tucker , M. A. Tucker

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