Related papers: Supernova 2002bo: inadequacy of the single paramet…

SN 2000cx and SN 2013bh: Extremely Rare, Nearly Twin Type Ia Supernovae

The Type Ia supernova (SN Ia) SN 2000cx was one of the most peculiar transients ever discovered, with a rise to maximum brightness typical of a SN Ia, but a slower decline and a higher photospheric temperature. Thirteen years later SN…

Solar and Stellar Astrophysics · Physics 2015-06-16 Jeffrey M. Silverman , Jozsef Vinko , Mansi M. Kasliwal , Ori D. Fox , Yi Cao , Joel Johansson , Daniel A. Perley , David Tal , J. Craig Wheeler , Rahman Amanullah , Iair Arcavi , Joshua S. Bloom , Avishay Gal-Yam , Ariel Goobar , Shrinivas R. Kulkarni , Russ Laher , William H. Lee , G. H. Marion , Peter E. Nugent , Isaac Shivvers

The delay of shock breakout due to circumstellar material seen in most Type II Supernovae

Type II supernovae (SNe) originate from the explosion of hydrogen-rich supergiant massive stars. Their first electromagnetic signature is the shock breakout, a short-lived phenomenon which can last from hours to days depending on the…

High Energy Astrophysical Phenomena · Physics 2018-09-19 F. Förster , T. J. Moriya , J. C. Maureira , J. P. Anderson , S. Blinnikov , F. Bufano , G. Cabrera-Vives , A. Clocchiatti , Th. de Jaeger , P. A. Estévez , L. Galbany , S. González-Gaitán , G. Gräfener , M. Hamuy , E. Hsiao , P. Huentelemu , P. Huijse , H. Kuncarayakti , J. Martínez-Palomera , G. Medina , F. Olivares E. , G. Pignata , A. Razza , I. Reyes , J. San Martín , R. C. Smith , E. Vera , A. K. Vivas , A. de Ugarte Postigo , S. -C. Yoon , C. Ashall , M. Fraser , A. Gal-Yam , E. Kankare , L. Le Guillou , P. A. Mazzali , N. A. Walton , D. R. Young

Photometric and Spectroscopic Properties of Type II-P Supernovae

We study a sample of 23 Type II Plateau supernovae (SNe II-P), all observed with the same set of instruments. Analysis of their photometric evolution confirms that their typical plateau duration is 100 days with little scatter, showing a…

High Energy Astrophysical Phenomena · Physics 2014-09-23 Tamar Faran , Dovi Poznanski , Alexei V. Filippenko , Ryan Chornock , Ryan J. Foley , Mohan Ganeshalingam , Douglas C. Leonard , Weidong Li , Maryam Modjaz , Ehud Nakar , Frank J. D. Serduke , Jeffrey M. Silverman

The absolute infrared magnitudes of type Ia supernovae

The absolute luminosities and homogeneity of early-time infrared (IR) light curves of type Ia supernovae are examined. Eight supernovae are considered. These are selected to have accurately known epochs of maximum blue light as well as…

Astrophysics · Physics 2009-10-31 W. P. S. Meikle

Systematic Investigation of Very Early-Phase Spectra of Type Ia Supernovae

It has been widely accepted that Type Ia supernovae (SNe Ia) are thermonuclear explosions of a CO white dwarf. However, the natures of the progenitor system(s) and explosion mechanism(s) are still unclarified. Thanks to the recent…

High Energy Astrophysical Phenomena · Physics 2023-09-19 Mao Ogawa , Keiichi Maeda , Miho Kawabata

A Golden Standard Type Ia Supernova SN 2005cf: Observations from the Ultraviolet to the Near-Infrared Wavebands

We present extensive photometry at ultraviolet (UV), optical, and near-infrared (NIR) wavelengths, as well as dense sampling of optical spectra, for the normal type Ia supernova (SN Ia) 2005cf. From the well-sampled light curves, we find…

Astrophysics · Physics 2010-05-12 Xiaofeng Wang , Weidong Li , Alexei V. Filippenko , R. J. Foley , R. P. Kirshner , M. Modjaz , J. Bloom , P. J. Brown , D. Carter , A. S. Friedman , A. Gal-Yam , M. Ganeshalingam , M. Hicken , K. Krisciunas , P. Milne , N. B. Suntzeff , W. M. Wood-Vasey , S. B. Cenko , P. Challis , D. B. Fox , D. Kirkman , J. Z. Li , T. P. Li , M. A. Malkan , D. B. Reitzel , R. M. Rich , F. Serduke , R. C. Shang , J. M. Silverman , T. N. Steele , B. J. Swift , C. Tao , D. S. Wong , S. N. Zhang

ESC observations of SN 2005cf. I. Photometric Evolution of a Normal Type Ia Supernova

We present early-time optical and near-infrared photometry of supernova (SN) 2005cf. The observations, spanning a period from about 12 days before to 3 months after maximum, have been obtained through the coordination of observational…

Astrophysics · Physics 2008-11-26 A. Pastorello , S. Taubenberger , N. Elias-Rosa , P. A. Mazzali , G. Pignata , E. Cappellaro , G. Garavini , S. Nobili , G. C. Anupama , D. D. R. Bayliss , S. Benetti , F. Bufano , N. K. Chakradhari , R. Kotak , A. Goobar , H. Navasardyan , F. Patat , D. K. Sahu , M. Salvo , B. P. Schmidt , V. Stanishev , M. Turatto , W. Hillebrandt

SN 2012au: A Golden Link Between Superluminous Supernovae and Their Lower-Luminosity Counterparts

We present optical and near-infrared observations of SN 2012au, a slow-evolving supernova (SN) with properties that suggest a link between subsets of energetic and H-poor SNe and superluminous SNe. SN 2012au exhibited conspicuous SN Ib-like…

High Energy Astrophysical Phenomena · Physics 2015-06-15 D. Milisavljevic , A. Soderberg , R. Margutti , M. Drout , G. Marion , N. Sanders , E. Hsiao , R. Lunnan , R. Chornock , R. Fesen , J. Parrent , E. Levesque , E. Berger , R. Foley , P. Challis , R. Kirshner , J. Dittmann , A. Bieryla , A. Kamble , S. Chakroborti , G. De Rosa , M. Fausnaugh , K. Hainline , C. Chen , R. Hickox , N. Morrell , M. Phillips , M. Stritzinger

Properties of Two Hypernovae Entering the Nebular Phase: SN 1997ef and SN 1997dq

The two peculiar Type Ic supernovae (SNe) 1997ef and 1997dq are shown to have very similar photometric and spectral evolution in the epochs when both SNe are observed (i.e. beyond $\sim 80$ days after the explosion). The early light curves…

Astrophysics · Physics 2009-11-10 P. A. Mazzali , J. Deng , K. Maeda , K. Nomoto , A. V. Filippenko , T. Matheson

Type IIn Supernova SN 2010jl: Optical Observations for Over 500 Days After Explosion

We present extensive optical observations of a Type IIn supernova (SN) 2010jl for the first 1.5 years after the discovery. The UBVRI light curves demonstrated an interesting two-stage evolution during the nebular phase, which almost flatten…

Solar and Stellar Astrophysics · Physics 2015-06-11 Tianmeng Zhang , Xiaofeng Wang , Chao Wu , Juncheng Chen , Jia Chen , Qin Liu , Fang Huang , Jide Liang , Xulin Zhao , Lin Li , Min Wang , Michel Dennefeld , Jujia Zhang , Meng Zhai , Hong Wu , Zhou Fan , Hu Zou , Xu Zhou , Jun Ma

OISTER Optical and Near-Infrared Observations of Type Iax Supernova 2012Z

We report observations of the Type Iax supernova (SN Iax) 2012Z at optical and near-infrared wavelengths from immediately after the explosion until $\sim$ $260$ days after the maximum luminosity using the Optical and Infrared Synergetic…

Solar and Stellar Astrophysics · Physics 2015-05-12 Masayuki Yamanaka , Keiichi Maeda , Koji S. Kawabata , Masaomi Tanaka , Nozomu Tominaga , Hiroshi Akitaya , Takahiro Nagayama , Daisuke Kuroda , Jun Takahashi , Yoshihiko Saito , Kenshi Yanagisawa , Akihiko Fukui , Ryo Miyanoshita , Makoto Watanabe , Akira Arai , Mizuki Isogai , Takashi Hattori , Hidekazu Hanayama , Ryosuke Itoh , Takahiro Ui , Katsutoshi Takaki , Issei Ueno , Michitoshi Yoshida , Gamal B. Ali , Ahmed Essam , Akihito Ozaki , Hikaru Nakao , Ko Hamamoto , Daisaku Nogami , Tomoki Morokuma , Yumiko Oasa , Hideyuki Izumiura , Kazuhiro Sekiguchi

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

ZTF Early Observations of Type Ia Supernovae II: First Light, the Initial Rise, and Time to Reach Maximum Brightness

While it is clear that Type Ia supernovae (SNe) are the result of thermonuclear explosions in C/O white dwarfs (WDs), a great deal remains uncertain about the binary companion that facilitates the explosive disruption of the WD. Here, we…

High Energy Astrophysical Phenomena · Physics 2020-10-21 A. A. Miller , Y. Yao , M. Bulla , C. Pankow , E. C. Bellm , S. B. Cenko , R. Dekany , C. Fremling , M. J. Graham , T. Kupfer , R. R. Laher , A. A. Mahabal , F. J. Masci , P. E. Nugent , R. Riddle , B. Rusholme , R. M. Smith , D. L. Shupe , J. van Roestel , S. R. Kulkarni

Nebular-phase spectra of superluminous supernovae: physical insights from observational and statistical properties

We study the spectroscopic evolution of superluminous supernovae (SLSNe) later than 100 days after maximum light. We present new data for Gaia16apd and SN2017egm, and analyse these with a larger sample comprising 41 spectra of 12 events.…

High Energy Astrophysical Phenomena · Physics 2019-01-30 Matt Nicholl , Edo Berger , Peter K Blanchard , Sebastian Gomez , Ryan Chornock

K2 Observations of SN 2018oh Reveal a Two-Component Rising Light Curve for a Type Ia Supernova

We present an exquisite, 30-min cadence Kepler (K2) light curve of the Type Ia supernova (SN Ia) 2018oh (ASASSN-18bt), starting weeks before explosion, covering the moment of explosion and the subsequent rise, and continuing past peak…

High Energy Astrophysical Phenomena · Physics 2019-01-09 G. Dimitriadis , R. J. Foley , A. Rest , D. Kasen , A. L. Piro , A. Polin , D. O. Jones , A. Villar , G. Narayan , D. A. Coulter , C. D. Kilpatrick , Y. -C. Pan , C. Rojas-Bravo , O. D. Fox , S. W. Jha , P. E. Nugent , A. G. Riess , D. Scolnic , M. R. Drout , G. Barentsen , J. Dotson , M. Gully-Santiago , C. Hedges , A. M. Cody , T. Barclay , S. Howell , P. Garnavich , B. E. Tucker , E. Shaya , R. Mushotzky , R. P. Olling , S. Margheim , A. Zenteno , J. Coughlin , J. E. Van Cleve , J. Vinicius 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 , 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 , S. J. Smartt , K. W. Smith , S. Points , G. M. Strampelli , J. Brimacombe , P. Chen , J. A. Munoz , R. L. Mutel , J. Shields , P. J. Vallely , S. Villanueva , W. Li , X. Wang , J. Zhang , H. Lin , J. Mo , X. Zhao , H. Sai , X. Zhang , K. Zhang , T. Zhang , L. Wang , J. Zhang , E. Baron , J. M. DerKacy , L. Li , Z. Chen , D. Xiang , L. Rui , L. Wang , F. Huang , X. Li , G. Hosseinzadeh , D. A. Howell , I. Arcavi , D. Hiramatsu , J. Burke , S. Valenti , J. L. Tonry , L. Denneau , A. N. Heinze , H. Weiland , B. Stalder , J. Vinko , K. Sarneczky , A. Pa , A. Bodi , Zs. Bognar , B. Csak , B. Cseh , G. Csornyei , O. Hanyecz , B. Ignacz , Cs. Kalup , R. Konyves-Toth , L. Kriskovics , A. Ordasi , I. Rajmon , A. Sodor , R. Szabo , R. Szakats , G. Zsidi , S. C. Williams , J. Nordin , R. Cartier , C. Frohmaier , L. Galbany , C. P. Gutierrez , I. Hook , C. Inserra , M. Smith , D. J. Sand , J. E. Andrews , N. Smith , C. Bilinski

SN 2012fr: Ultraviolet, Optical, and Near-Infrared Light Curves of a Type Ia Supernova Observed Within a Day of Explosion

We present detailed ultraviolet, optical and near-infrared light curves of the Type Ia supernova (SN) 2012fr, which exploded in the Fornax cluster member NGC 1365. These precise high-cadence light curves provide a dense coverage of the flux…

High Energy Astrophysical Phenomena · Physics 2018-06-06 Carlos Contreras , M. M. Phillips , Christopher R. Burns , Anthony L. Piro , B. J. Shappee , Maximilian D. Stritzinger , C. Baltay , Peter J. Brown , Emmanuel Conseil , Alain Klotz , Peter E. Nugent , Damien Turpin , Stu Parker , D. Rabinowitz , Eric Y. Hsiao , Nidia Morrell , Abdo Campillay , Sergio Castellón , Carlos Corco , Consuelo González , Kevin Krisciunas , Jacqueline Serón , Brad E. Tucker , E. S. Walker , E. Baron , C. Cain , Michael J. Childress , Gastón Folatelli , Wendy L. Freedman , Mario Hamuy , P. Hoeflich , S. E. Persson , Richard Scalzo , Brian Schmidt , Nicholas B. Suntzeff

SN2012ab: A Peculiar Type IIn Supernova with Aspherical Circumstellar Material

We present photometry, spectra, and spectropolarimetry of supernova (SN) 2012ab, mostly obtained over the course of $\sim 300$ days after discovery. SN 2012ab was a Type IIn (SN IIn) event discovered near the nucleus of spiral galaxy…

Solar and Stellar Astrophysics · Physics 2018-01-31 Christopher Bilinski , Nathan Smith , G. Grant Williams , Paul Smith , WeiKang Zheng , Melissa L. Graham , Jon C. Mauerhan , Jennifer E. Andrews , Alexei V. Filippenko , Carl Akerlof , E. Chatzopoulos , Jennifer L. Hoffman , Leah Huk , Douglas C. Leonard , G. H. Marion , Peter Milne , Robert M. Quimby , Jeffrey M. Silverman , Jozsef Vinkó , J. Craig Wheeler , Fang Yuan

SN 2024gy: Multi-epoch Spectroscopic Features Suggestive of Delayed Detonation in a Type Ia Supernova

We present photometric and spectroscopic observations of SN 2024gy, a Type Ia supernova (SN Ia) exhibiting high-velocity features (HVFs) in its early-time spectra. This SN reaches a peak $B$-band magnitude of $-19.25 \pm 0.29$ mag and…

High Energy Astrophysical Phenomena · Physics 2025-10-31 Liping Li , Zhenyu Wang , Jialian Liu , Yu Pan , Alexei V. Filippenko , Jujia Zhang , Xiaofeng Wang , Brajesh Kumar , Yi Yang , Thomas G. Brink , WeiKang Zheng , Xiangcun Meng , Lingzhi Wang , Zeyi Zhao , Qian Zhai , Yongzhi Cai , Giuliano Pignata , Xinlei Chen , Xingzhu Zou , Jiewei Zhao , Xiangkun Liu , Xiaowei Liu , Xinzhong Er , A. Reguitti , R. Michael Rich , Jon M. Rees , Mark A. Croom , Osmin Caceres , K. Itagaki , Bo Wang , Jinming Bai

SN 2017ati: A luminous type IIb explosion from a massive progenitor

We present optical photometric and spectroscopic observations of the Type~IIb supernova (SN)~2017ati. It reached the maximum light at about 27~d after the explosion and the light curve shows a broad, luminous peak with an absolute $r$-band…

Solar and Stellar Astrophysics · Physics 2026-05-20 Z. -H. Peng , S. Benetti , Y. -Z. Cai , A. Pastorello , J. -W. Zhao , A. Reguitti , Z. -Y. Wang , E. Cappellaro , N. Elias-Rosa , Q. -L. Fang , M. Fraser , T. Kangas , E. Kankare , Z. Kostrzewa-Rutkowska , P. Lundqvist , S. Mattila , T. M. Reynolds , M. D. Stritzinger , A. Somero , L. Tomasella , S. -P. Pei , Y. -J. Yang , J. -J. Zhang , Y. Pan

Photometric and Spectroscopic study of a highly reddened type Ia supernova SN 2003hx in NGC 2076

We present $UBVRI$ CCD photometry and optical spectra of the type Ia supernova SN 2003hx which appeared in the galaxy NGC 2076, obtained till $\sim$ 146 days after the epoch of $B$ band maximum. The supernova reached at maximum brightness…

Astrophysics · Physics 2009-11-13 Kuntal Misra , D. K. Sahu , G. C. Anupama , Kavita Pandey