Related papers: AT2020caa: A Type Ia Supernova with a Prior Outbur…

Thermonuclear Supernovae

The application of Type Ia supernovae (SNe Ia) as distance indicators in cosmology calls for a sound understanding of these objects. Recent years have seen a brisk development of astrophysical models which explain SNe Ia as thermonuclear…

Astrophysics · Physics 2009-06-23 F. K. Roepke

Missed 2020 Superoutburst of the Eclipsing WD-BD Cataclysmic Variable SDSS J1433+1011

Cataclysmic variable SDSS J143317.78+101123.3 with P=0.054241 d (78.1-min) was suspected to be a possible dwarf nova of WZ Sge type with the sub-stellar donor, but without detected outbursts so far. Checking the newly available data from…

Solar and Stellar Astrophysics · Physics 2021-03-31 D. V. Denisenko

Abundance stratification in type Ia supernovae -- VI: the peculiar slow decliner SN\,1999aa

The abundance distribution in the ejecta of the peculiar slowly declining Type Ia supernova (SN\,Ia) SN\,1999aa is obtained by modelling a time series of optical spectra. Similar to SN\,1991T, SN\,1999aa was characterised by early-time…

High Energy Astrophysical Phenomena · Physics 2022-08-03 Charles J. Aouad , Paolo A. Mazzali , Stephan Hachinger , Jacob Teffs , Elena Pian , Chris Ashall , Stefano Benetti , Alexei V. Filippenko , Masaomi Tanaka

The Exceptionally Luminous Type Ia Supernova 2007if

SN 2007if was the third over-luminous SN Ia detected after 2003fg and 2006gz. We present the photometric and spectroscopic observations of the supernova and its host by ROTSE-III, HET and Keck. From the H_alpha line identified in the host…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. Yuan , R. M. Quimby , J. C. Wheeler , J. Vinko , E. Chatzopoulos , C. W. Akerlof , S. Kulkarni , J. M. Miller , T. A. McKay , F. Aharonian

A binary scenario for the pre-explosion outburst of the supernova 2010mc

I raise the possibility that the pre-explosion outburst (PEO) of the type IIn supernova 2010mc (PTF 10tel) was energized by mass accretion onto an O main-sequence stellar companion. According to this suggestion the SN progenitor suffered a…

High Energy Astrophysical Phenomena · Physics 2013-02-21 Noam Soker

Time-varying double-peaked emission lines following the sudden ignition of the dormant galactic nucleus AT2017bcc

We present a pan-chromatic study of AT2017bcc, a nuclear transient that was discovered in 2017 within the skymap of a reported burst-like gravitational wave candidate, G274296. It was initially classified as a superluminous supernova, and…

High Energy Astrophysical Phenomena · Physics 2024-04-26 E. J. Ridley , M. Nicholl , C. A. Ward , P. K. Blanchard , R. Chornock , M. Fraser , S. Gomez , S. Mattila , S. R. Oates , G. Pratten , J. C. Runnoe , P. Schmidt , K. D. Alexander , M. Gromadzki , A. Lawrence , T. M. Reynolds , K. W. Smith , L. Wyrzykowski , A. Aamer , J. P. Anderson , S. Benetti , E. Berger , T. de Boer , K. C. Chambers , T. -W. Chen , H. Gao , C. P. Gutiérrez , C. Inserra , T. Kangas , G. Leloudas , E. A. Magnier , L. Makrygianni , T. Moore , T. E. Müller-Bravo , S. J. Smartt , K. V. Sokolovsky , R. Wainscoat , D. R. Young

Constraining Supernova Ia Progenitors by their Locations in Host Galactic Disc

Among the diverse progenitor channels leading to Type Ia Supernovae (SNe Ia), there are explosions originating from white dwarfs with sub-Chandrasekhar masses. These white dwarfs undergo detonation and explosion triggered by primary…

Astrophysics of Galaxies · Physics 2023-08-10 A. A. Hakobyan , A. G. Karapetyan , L. V. Barkhudaryan

On type IIn/Ia-CSM supernovae as exemplified by SN 2012ca

We present the complete set of ultra-violet, optical and near-infrared photometry and spectroscopy for SN 2012ca, covering the period from 6~days prior to maximum light, until 531 days after maximum. The spectroscopic time series for SN…

Solar and Stellar Astrophysics · Physics 2016-04-27 C. Inserra , M. Fraser , S. J. Smartt , S. Benetti , T. -W. Chen , M. Childress , A. Gal-Yam , D. A. Howell , T. Kangas , G. Pignata , J. Polshaw , M. Sullivan , K. W. Smith , S. Valenti , D. R. Young , S. Parker , T. Seccull , M. McCrum

Supernovae 2016bdu and 2005gl, and their link with SN 2009ip-like transients: another piece of the puzzle

Supernova (SN) 2016bdu is an unusual transient resembling SN 2009ip. SN 2009ip-like events are characterized by a long-lasting phase of erratic variability which ends with two luminous outbursts a few weeks apart. The second outburst is…

Solar and Stellar Astrophysics · Physics 2017-12-20 A. Pastorello , C. S. Kochanek , M. Fraser , S. Dong , N. Elias-Rosa , S. Benetti , E. Cappellaro , L. Tomasella , A. J. Drake , J. Hermanen , T. Reynolds , B. J. Shappee , S. J. Smartt , K. C. Chambers , M. E. Huber , K. Smith , K. Z. Stanek , A. V. Filippenko , E. J. Christensen , L. Denneau , S. G. Djorgovski , H. Flewelling , C. Gall , A. Gal-Yam , S. Geier , A. Heinze , T. W. -S. Holoien , J. Isern , T. Kangas , E. Kankare , R. A. Koff , J. -M. Llapasset , T. B. Lowe , P. Lundqvist , E. A. Magnier , S. Mattila , A. Morales-Garoffolo , R. Mutel , J. Nicolas , P. Ochner , E. O. Ofek , E. Prosperi , A. Rest , Y. Sano , B. Stalder , M. D. Stritzinger , F. Taddia , G. Terreran , J. L. Tonry , R. J. Wainscoat , C. Waters , H. Weiland , M. Willman , D. R. Young , W. Zheng

Search for transient optical counterparts to high-energy IceCube neutrinos with Pan-STARRS1

In order to identify the sources of the observed diffuse high-energy neutrino flux, it is crucial to discover their electromagnetic counterparts. IceCube began releasing alerts for single high-energy ($E > 60$ TeV) neutrino detections with…

High Energy Astrophysical Phenomena · Physics 2020-08-14 E. Kankare , M. Huber , S. J. Smartt , K. Chambers , K. W. Smith , O. McBrien , T. -W. Chen , H. Flewelling , T. Lowe , E. Magnier , A. Schultz , C. Waters , R. J. Wainscoat , M. Willman , D. Wright , D. Young , M. G. Aartsen , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , C. Alispach , D. Altmann , K. Andeen , T. Anderson , I. Ansseau , G. Anton , C. Argüelles , J. Auffenberg , S. Axani , P. Backes , H. Bagherpour , X. Bai , A. Barbano , S. W. Barwick , V. Baum , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , C. Bohm , M. Börner , S. Böser , O. Botner , E. Bourbeau , J. Bourbeau , F. Bradascio , J. Braun , H. -P. Bretz , S. Bron , J. Brostean-Kaiser , A. Burgman , R. S. Busse , T. Carver , C. Chen , E. Cheung , D. Chirkin , K. Clark , L. Classen , G. H. Collin , J. M. Conrad , P. Coppin , P. Correa , D. F. Cowen , R. Cross , P. Dave , J. P. A. M. de André , C. De Clercq , J. J. DeLaunay , H. Dembinski , K. Deoskar , S. De Ridder , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , J. C. Dí az-Vélez , H. Dujmovic , M. Dunkman , E. Dvorak , B. Eberhardt , T. Ehrhardt , P. Eller , P. A. Evenson , S. Fahey , A. R. Fazely , J. Felde , K. Filimonov , C. Finley , A. Franckowiak , E. Friedman , A. Fritz , T. K. Gaisser , J. Gallagher , E. Ganster , S. Garrappa , L. Gerhardt , K. Ghorbani , T. Glauch , T. Glüsenkamp , A. Goldschmidt , J. G. Gonzalez , D. Grant , Z. Griffith , M. Günder , M. Gündüz , C. Haack , A. Hallgren , L. Halve , F. Halzen , K. Hanson , D. Hebecker , D. Heereman , K. Helbing , R. Hellauer , F. Henningsen , S. Hickford , J. Hignight , G. C. Hill , K. D. Hoffman , R. Hoffmann , T. Hoinka , B. Hokanson-Fasig , K. Hoshina , F. Huang , M. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , S. In , N. Iovine , A. Ishihara , E. Jacobi , G. S. Japaridze , M. Jeong , K. Jero , B. J. P. Jones , W. Kang , A. Kappes , D. Kappesser , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , A. Keivani , J. L. Kelley , A. Kheirandish , J. Kim , T. Kintscher , J. Kiryluk , T. Kittler , S. R. Klein , R. Koirala , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , K. Krings , G. Krückl , N. Kulacz , S. Kunwar , N. Kurahashi , A. Kyriacou , M. Labare , J. L. Lanfranchi , M. J. Larson , F. Lauber , J. P. Lazar , K. Leonard , M. Leuermann , Q. R. Liu , E. Lohfink , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , J. Lünemann , W. Luszczak , J. Madsen , G. Maggi , K. B. M. Mahn , Y. Makino , K. Mallot , S. Mancina , I. C. Mariş , R. Maruyama , K. Mase , R. Maunu , K. Meagher , M. Medici , A. Medina , M. Meier , S. Meighen-Berger , T. Menne , G. Merino , T. Meures , S. Miarecki , J. Micallef , G. Momenté , T. Montaruli , R. W. Moore , M. Moulai , R. Nagai , R. Nahnhauer , P. Nakarmi , U. Naumann , G. Neer , H. Niederhausen , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , A. Olivas , A. O'Murchadha , E. O'Sullivan , T. Palczewski , H. Pandya , D. V. Pankova , N. Park , P. Peiffer , C. Pérez de los Heros , D. Pieloth , E. Pinat , A. Pizzuto , M. Plum , P. B. Price , G. T. Przybylski , C. Raab , A. Raissi , M. Rameez , L. Rauch , K. Rawlins , I. C. Rea , R. Reimann , B. Relethford , G. Renzi , E. Resconi , W. Rhode , M. Richman , S. Robertson , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk , I. Safa , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , M. Santander , S. Sarkar , S. Sarkar , K. Satalecka , M. Schaufel , P. Schlunder , T. Schmidt , A. Schneider , J. Schneider , L. Schumacher , S. Sclafani , D. Seckel , S. Seunarine , M. Silva , R. Snihur , J. Soedingrekso , D. Soldin , M. Song , G. M. Spiczak , C. Spiering , J. Stachurska , M. Stamatikos , T. Stanev , A. Stasik , R. Stein , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , A. Stößl , N. L. Strotjohann , T. Stuttard , G. W. Sullivan , M. Sutherland , I. Taboada , F. Tenholt , S. Ter-Antonyan , A. Terliuk , S. Tilav , L. Tomankova , C. Tönnis , S. Toscano , D. Tosi , M. Tselengidou , C. F. Tung , A. Turcati , R. Turcotte , C. F. Turley , B. Ty , E. Unger , M. A. Unland Elorrieta , M. Usner , J. Vandenbroucke , W. Van Driessche , D. van Eijk , N. van Eijndhoven , S. Vanheule , J. van Santen , M. Vraeghe , C. Walck , A. Wallace , M. Wallraff , N. Wandkowsky , T. B. Watson , C. Weaver , M. J. Weiss , J. Weldert , C. Wendt , J. Werthebach , S. Westerhoff , B. J. Whelan , N. Whitehorn , K. Wiebe , C. H. Wiebusch , L. Wille , D. R. Williams , L. Wills , M. Wolf , J. Wood , T. R. Wood , K. Woschnagg , G. Wrede , D. L. Xu , X. W. Xu , Y. Xu , J. P. Yanez , G. Yodh , S. Yoshida , T. Yuan , J. Nordin

Classical Novae Masquerading as Dwarf Novae? Outburst Properties of Cataclysmic Variables with ASAS-SN

The unprecedented sky coverage and observing cadence of the All-Sky Automated Survey for SuperNovae (ASAS-SN) has resulted in the discovery and continued monitoring of a large sample of Galactic transients. The vast majority of these are…

Solar and Stellar Astrophysics · Physics 2021-04-14 Adam Kawash , Laura Chomiuk , Jay Strader , Elias Aydi , Kirill V. Sokolovsky , Tharindu Jayasinghe , Chris S. Kochanek , Patrick Schmeer , Krzysztof Z. Stanek , Koji Mukai , Ben Shappee , Zachary Way , Connor Basinger , Tom W. -S. Holoien , Jose L. Prieto

Measuring an off-Center Detonation through Infrared Line Profiles: The peculiar Type Ia Supernova SN~2020qxp/ASASSN-20jq

We present and analyze a near infrared(NIR) spectrum of the under-luminous Type Ia supernova SN~2020qxp/ASASSN-20jq obtained with NIRES at the Keck Observatory 191 days after B-band maximum. The spectrum is dominated by a number of broad…

Solar and Stellar Astrophysics · Physics 2021-12-08 P. Hoeflich , C. Ashall , S. Bose , E. Baron , M. D. Stritzinger , S. Davis , M. Shahbandeh , G. S. Anand , D. Baade , C. R. Burns , D. C. Collins , T. R. Diamond , A. Fisher , L. Galbany , B. A. Hristov , E. Y. Hsiao , M. M. Phillips , B. Shappee , N. B. Suntzeff , M. Tucker

A Deep Search for Prompt Radio Emission from Thermonuclear Supernovae with the Very Large Array

Searches for circumstellar material around Type Ia supernovae (SNe Ia) are one of the most powerful tests of the nature of SN Ia progenitors, and radio observations provide a particularly sensitive probe of this material. Here we report…

High Energy Astrophysical Phenomena · Physics 2016-04-27 Laura Chomiuk , Alicia M. Soderberg , Roger A. Chevalier , Seth Bruzewski , Ryan J. Foley , Jerod Parrent , Jay Strader , Carles Badenes , Claes Fransson , Atish Kamble , Raffaella Margutti , Michael P. Rupen , Joshua D. Simon

WFST Supernovae in the First Year: I. Statistical Study of 16 Early-phase Type Ia Supernovae from the Pilot Survey

In this paper we present 16 early-phase type Ia supernovae (SNe Ia) discovered during the pilot survey of the 2.5-meter Wide Field Survey Telescope (WFST-PS) from March 4 to July 10, 2024, including three SNe Ia with early-excess emission…

High Energy Astrophysical Phenomena · Physics 2026-02-20 Weiyu Wu , Ji-an Jiang , Zelin Xu , Dezheng Meng , Keiichi Maeda , Hanindyo Kuncarayakti , Lluís Galbany , Saurabh W. Jha , Željko Ivezić , Peter Yoachim , Zhengyan Liu , Junhan Zhao , Tinggui Wang , Xu Kong , Andrew J. Connolly , Ziqing Jia , Lei Hu , Lulu Fan , Ning Jiang , Feng Li , Ming Liang , Jinlong Tang , Zhen Wan , Hairen Wang , Jian Wang , Yongquan Xue , Hongfei Zhang , Wen Zhao , Xianzhong Zheng , Qingfeng Zhu

Spectroscopy of the Supernova H0pe Host Galaxy at Redshift 1.78

Supernova (SN) H0pe was discovered as a new transient in James Webb Space Telescope (JWST) NIRCam images of the galaxy cluster PLCK G165.7+67.0 taken as part of the "Prime Extragalactic Areas for Reionization and Lensing Science" (PEARLS)…

Astrophysics of Galaxies · Physics 2023-07-12 M. Polletta , M. Nonino , B. Frye , A. Gargiulo , S. Bisogni , N. Garuda , D. Thompson , M. Lehnert , M. Pascale , S. P. Willner , P. Kamieneski , R. Leimbach , C. Cheng , D. Coe , S. H. Cohen , C. J. Conselice , L. Dai , J. Diego , H. Dole , S. P. Driver , J. C. J. D'Silva , A. Fontana , N. Foo , L. J. Furtak , N. A. Grogin , K. Harrington , N. P. Hathi , R. A. Jansen , P. Kelly , A. M. Koekemoer , C. Mancini , M. A. Marshall , J. D. R. Pierel , N. Pirzkal , A. Robotham , M. J. Rutkowski , R. E. Ryan, , J. M. Snigula , J. Summers , S. Tompkins , C. N. A. Willmer , R. A. Windhorst , H. Yan , M. S. Yun , A. Zitrin

Constraining the Source of the High-velocity Ejecta in Type Ia SN 2019ein

We present multiwavelength photometric and spectroscopic observations of SN 2019ein, a high-velocity Type Ia supernova (SN Ia) discovered in the nearby galaxy NGC 5353 with a two-day nondetection limit. SN 2019ein exhibited some of the…

High Energy Astrophysical Phenomena · Physics 2020-07-20 C. Pellegrino , D. A. Howell , S. K. Sarbadhicary , J. Burke , D. Hiramatsu , C. McCully , P. A. Milne , J. E. Andrews , P. Brown , L. Chomiuk , E. Y. Hsiao , D. J. Sand , M. Shahbandeh , N. Smith , S. Valenti , J. Vinkó , J. C. Wheeler , S. Wyatt , Y. Yang

Type Iax Supernovae

Type Iax supernovae (SN Iax), also called SN 2002cx-like supernovae, are the largest class of peculiar white dwarf (thermonuclear) supernovae, with over fifty members known. SN Iax have lower ejecta velocity and lower luminosities, and…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Saurabh W. Jha

Investigations of supernovae and supernova remnants in the era of SKA

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). Type Ia supernovae serve as distance indicators that led…

Solar and Stellar Astrophysics · Physics 2015-01-21 Lingzhi Wang , Xiaohong Cui , Hui Zhu , Wenwu Tian , Xiaofeng Wang

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

Early Lightcurves of Type Ia Supernovae are Consistent with Nondegenerate Progenitor Companions

If Type Ia supernovae (SNe~Ia) result from a white dwarf being ignited by Roche lobe overflow from a nondegenerate companion, then as the supernova explosion runs into the companion star its ejecta will be shocked, causing an early blue…

High Energy Astrophysical Phenomena · Physics 2022-07-19 J. Burke , D. A. Howell , D. J. Sand , R. C. Amaro , P. J. Brown , J. E. Andrews , K. A. Bostroem , Y. Dong , J. Haislip , D. Hiramatsu , G. Hosseinzadeh , V. Kouprianov , M. J. Lundquist , C. McCully , C. Pellegrino , D. Reichart , L. Tartaglia , S. Valenti , S. Yang