相关论文: Red eminence: The intermediate-luminosity red tran…

Intermediate-luminosity red transients: Spectrophotometric properties and connection to electron-capture supernova explosions

We present the spectroscopic and photometric study of five intermediate-luminosity red transients (ILRTs), namely AT 2010dn, AT 2012jc, AT 2013la, AT 2013lb, and AT 2018aes. They share common observational properties and belong to a family…

高能天体物理现象 · 物理学 2021-10-27 Y. -Z. Cai , A. Pastorello , M. Fraser , M. T. Botticella , N. Elias-Rosa , L. -Z. Wang , R. Kotak , S. Benetti , E. Cappellaro , M. Turatto , A. Reguitti , S. Mattila , S. J. Smartt , C. Ashall , S. Benitez , T. -W. Chen , A. Harutyunyan , E. Kankare , P. Lundqvist , P. A. Mazzali , A. Morales-Garoffolo , P. Ochner , G. Pignata , S. J. Prentice , T. M. Reynolds , X. -W. Shu , M. D. Stritzinger , L. Tartaglia , G. Terreran , L. Tomasella , S. Valenti , G. Valerin , G. -J. Wang , X. -F. Wang , L. Borsato , E. Callis , G. Cannizzaro , S. Chen , E. Congiu , M. Ergon , L. Galbany , A. Gal-Yam , X. Gao , M. Gromadzki , S. Holmbo , F. Huang , C. Inserra , K. Itagaki , Z. Kostrzewa-Rutkowska , K. Maguire , S. Margheim , S. Moran , F. Onori , A. Sagués Carracedo , K. W. Smith , J. Sollerman , A. Somero , B. Wang , D. R. Young

A study in scarlet -- I. Photometric properties of a sample of Intermediate Luminosity Red Transients

We investigate the photometric characteristics of a sample of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. We present the…

太阳与恒星天体物理 · 物理学 2025-03-12 G. Valerin , A. Pastorello , A. Reguitti , S. Benetti , Y. -Z. Cai , T. -W. Chen , D. Eappachen , N. Elias-Rosa , M. Fraser , A. Gangopadhyay , E. Y. Hsiao , D. A. Howell , C. Inserra , L. Izzo , J. Jencson , E. Kankare , R. Kotak , P. A. Mazzali , K. Misra , G. Pignata , S. J. Prentice , D. J. Sand , S. J. Smartt , M. D. Stritzinger , L. Tartaglia , S. Valenti , J. P. Anderson , J. E. Andrews , R. C. Amaro , S. Brennan , F. Bufano , E. Callis , E. Cappellaro , R. Dastidar , M. Della Valle , A. Fiore , M. D. Fulton , L. Galbany , T. Heikkilä , D. Hiramatsu , E. Karamehmetoglu , H. Kuncarayakti , G. Leloudas , M. Lundquist , C. McCully , T. E. Müller-Bravo , M. Nicholl , P. Ochner , E. Padilla Gonzalez , E. Paraskeva , C. Pellegrino , D. E. Reichart , T. M. Reynolds , R. Roy , I. Salmaso , M. Singh , M. Turatto , L. Tomasella , S. Wyatt , D. R. Young

The Evolution of Luminous Red Nova AT 2017jfs in NGC 4470

We present the results of our photometric and spectroscopic follow-up of the intermediate-luminosity optical transient AT 2017jfs. At peak, the object reaches an absolute magnitude of Mg=-15.46+-0.15 mag and a bolometric luminosity of…

太阳与恒星天体物理 · 物理学 2019-06-04 A. Pastorello , T. -W. Chen , Y. -Z. Cai , A. Morales-Garoffolo , Z. Cano , E. Mason , E. A. Barsukova , S. Benetti , M. Berton , S. Bose , F. Bufano , E. Callis , G. Cannizzaro , R. Cartier , Ping Chen , Subo Dong , S. Dyrbye , N. Elias-Rosa , A. Floers , M. Fraser , S. Geier , V. P. Goranskij , D. A. Kann , H. Kuncarayakti , F. Onori , A. Reguitti , T. Reynolds , I. R. Losada , A. Sagues Carracedo , T. Schweyer , S. J. Smartt , A. M. Tatarnikov , A. F. Valeev , C. Vogl , T. Wevers , A. de Ugarte Postigo , L. Izzo , C. Inserra , E. Kankare , K. Maguire , K. W. Smith , B. Stalder , L. Tartaglia , C. C. Thoene , G. Valerin , D. R. Young

AT 2017be - a new member of the class of Intermediate-Luminosity Red Transients

We report the results of our spectrophotometric monitoring campaign for AT~2017be in NGC~2537. Its lightcurve reveals a fast rise to an optical maximum, followed by a plateau lasting about 30 days, and finally a fast decline. Its absolute…

高能天体物理现象 · 物理学 2018-08-08 Y-Z. Cai , A. Pastorello , M. Fraser , M. T. Botticella , C. Gall , I. Arcavi , S. Benetti , E. Cappellaro , N. Elias-Rosa , J. Harmanen , G. Hosseinzadeh , D. A. Howell , J. Isern , T. Kangas , E. Kankare , H. Kuncarayakti , P. Lundqvist , S. Mattila , C. McCully , T. M. Reynolds , A. Somero , M. D. Stritzinger , G. Terreran

The transitional gap transient AT 2018hso: new insights on the luminous red nova phenomenon

Aims: AT 2018hso is a new transient showing transitional properties between those of LRNe and the class of intermediate luminosity red transients (ILRTs) similar to SN 2008S. Through the detailed analysis of the observed parameters, our…

高能天体物理现象 · 物理学 2019-12-04 Y-Z. Cai , A. Pastorello , M. Fraser , S. J. Prentice , T. M. Reynolds , E. Cappellaro , S. Benetti , A. Morales-Garoffolo , A. Reguitti , N. Elias-Rosa , S. Brennan , E. Callis , G. Cannizzaro , A. Fiore , M. Gromadzki , F. J. Galindo-Guil , C. Gall , T. Heikkilä , E. Mason , S. Moran , F. Onori , A. Sagués Carracedo , G. Valerin

Volumetric rates of Luminous Red Novae and Intermediate Luminosity Red Transients with the Zwicky Transient Facility

Luminous red novae (LRNe) are transients characterized by low luminosities and expansion velocities, and are associated with mergers or common envelope ejections in stellar binaries. Intermediate-luminosity red transients (ILRTs) are an…

高能天体物理现象 · 物理学 2023-05-24 Viraj R. Karambelkar , Mansi M. Kasliwal , Nadejda Blagorodnova , Jesper Sollerman , Robert Aloisi , Shreya G. Anand , Igor Andreoni , Thomas G. Brink , Rachel Bruch , David Cook , Kaustav Kashyap Das , Kishalay De , Andrew Drake , Alexei V. Filippenko , Christoffer Fremling , George Helou , Anna Ho , Jacob Jencson , David Jones , Russ R. Laher , Frank J. Masci , Kishore C. Patra , Josiah Purdum , Alexander Reedy , Tawny Sit , Yashvi Sharma , Anastasios Tzanidakis , Stefan J. van der Walt , Yuhan Yao , Chaoran Zhang

A study in scarlet -- II. Spectroscopic properties of a sample of Intermediate Luminosity Red Transients

We investigate the spectroscopic characteristics of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. We present the extensive optical…

太阳与恒星天体物理 · 物理学 2025-03-12 G. Valerin , A. Pastorello , E. Mason , A. Reguitti , S. Benetti , Y. -Z. Cai , T. -W. Chen , D. Eappachen , N. Elias-Rosa , M. Fraser , A. Gangopadhyay , E. Y. Hsiao , D. A. Howell , C. Inserra , L. Izzo , J. Jencson , E. Kankare , R. Kotak , P. Lundqvist , P. A. Mazzali , K. Misra , G. Pignata , S. J. Prentice , D. J. Sand , S. J. Smartt , M. D. Stritzinger , L. Tartaglia , S. Valenti , J. P. Anderson , J. E. Andrews , R. C. Amaro , C. Barbarino , S. Brennan , F. Bufano , E. Callis , E. Cappellaro , R. Dastidar , M. Della Valle , A. Fiore , M. D. Fulton , L. Galbany , M. Gromadzki , T. Heikkilä , D. Hiramatsu , E. Karamehmetoglu , H. Kuncarayakti , G. Leloudas , M. Limongi , M. Lundquist , C. McCully , T. E. Müller-Bravo , M. Nicholl , P. Ochner , E. Padilla Gonzalez , E. Paraskeva , C. Pellegrino , A. Rau , D. E. Reichart , T. M. Reynolds , R. Roy , I. Salmaso , M. Shahbandeh , M. Singh , J. Sollerman , M. Turatto , L. Tomasella , S. Wyatt , D. R. Young

Luminous Red Novae: Stellar Mergers or Giant Eruptions?

We present extensive datasets for a class of intermediate-luminosity optical transients known as "luminous red novae" (LRNe). They show double-peaked light curves, with an initial rapid luminosity rise to a blue peak (at -13 to -15 mag),…

太阳与恒星天体物理 · 物理学 2019-09-25 A. Pastorello , E. Mason , S. Taubenberger , M. Fraser , G. Cortini , L. Tomasella , M. T. Botticella , N. Elias-Rosa , R. Kotak , S. J. Smartt , S. Benetti , E. Cappellaro , M. Turatto , L. Tartaglia , S. G. Djorgovski , A. J. Drake , M. Berton , F. Briganti , J. Brimacombe , F. Bufano , Y. -Z. Cai , S. Chen , E. J. Christensen , F. Ciabattari , E. Congiu , A. Dimai , C. Inserra , E. Kankare , L. Magill , K. Maguire , F. Martinelli , A. Morales-Garoffolo , P. Ochner , G. Pignata , A. Reguitti , J. Sollerman , S. Spiro , G. Terreran , D. E. Wright

AT 2019abn: multi-wavelength observations over the first 200 days

AT 2019abn was discovered in the nearby M51 galaxy by the Zwicky Transient Facility at more than two magnitudes and around three weeks prior to its optical peak. We aim to conduct a detailed photometric and spectroscopic follow-up campaign…

太阳与恒星天体物理 · 物理学 2020-05-13 S. C. Williams , D. Jones , P. Pessev , S. Geier , R. L. M. Corradi , I. M. Hook , M. J. Darnley , O. Pejcha , A. Núñez , S. Meingast , S. Moran

The luminous red nova AT 2018bwo in NGC 45 and its binary yellow supergiant progenitor

Luminous Red Novae (LRNe) are astrophysical transients associated with the partial ejection of a binary system's common envelope (CE) shortly before its merger. Here we present the results of our photometric and spectroscopic follow-up…

太阳与恒星天体物理 · 物理学 2022-01-28 Nadejda Blagorodnova , Jakub Klencki , Ondrej Pejcha , Paul M. Vreeswijk , Howard E. Bond , Kevin B. Burdge , Kishalay De , Christoffer Fremling , Robert D. Gehrz , Jacob E. Jencson , Mansi M. Kasliwal , Thomas Kupfer , Ryan M. Lau , Frank J. Masci , R. Michael Rich

AT2022aedm and a new class of luminous, fast-cooling transients in elliptical galaxies

We present the discovery and extensive follow-up of a remarkable fast-evolving optical transient, AT2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey (ATLAS). AT2022aedm exhibited a rise time of $9\pm1$ days in the…

高能天体物理现象 · 物理学 2023-08-22 M. Nicholl , S. Srivastav , M. D. Fulton , S. Gomez , M. E. Huber , S. R. Oates , P. Ramsden , L. Rhodes , S. J. Smartt , K. W. Smith , A. Aamer , J. P. Anderson , F. E. Bauer , E. Berger , T. de Boer , K. C. Chambers , P. Charalampopoulos , T. -W. Chen , R. P. Fender , M. Fraser , H. Gao , D. A. Green , L. Galbany , B. P. Gompertz , M. Gromadzki , C. P. Gutiérrez , D. A. Howell , C. Inserra , P. G. Jonker , M. Kopsacheili , T. B. Lowe , E. A. Magnier , C. McCully , S. L. McGee , T. Moore , T. E. Müller-Bravo , M. Newsome , E. Padilla Gonzalez , C. Pellegrino , T. Pessi , M. Pursiainen , A. Rest , E. J. Ridley , B. J. Shappee , X. Sheng , G. P. Smith , G. Terreran , M. A. Tucker , J. Vinkó , R. J. Wainscoat , P. Wiseman , D. R. Young

Investigating the Electron Capture Supernova Candidate AT 2019abn with JWST Spectroscopy

The James Webb Space Telescope (JWST) has opened up a new window to study highly reddened explosive transients. We present results from late-time (1421 days post-explosion) JWST follow-up spectroscopic observations with NIRSpec and MIRI LRS…

太阳与恒星天体物理 · 物理学 2024-07-31 Sam Rose , Ryan M. Lau , Jacob E. Jencson , Mansi M. Kasliwal , Kishalay De , Michael E. Ressler , Ori D. Fox , Matthew J. Hankins

The Carnegie Supernova Project II. Observations of the intermediate luminosity red transient SNhunt120

We present multi-wavelength observations of two gap transients followed by the Carnegie Supernova Project-II and supplemented with data obtained by a number of different programs. Here in the first of two papers, we focus on the…

高能天体物理现象 · 物理学 2020-08-25 M. D. Stritzinger , F. Taddia , M. Fraser , T. M. Tauris , N. B. Suntzeff , C. Contreras , S Drybye , L. Galbany , S. Holmbo , N. Morrell , M. M. Phillips , J. L. Prieto , J. Anais , C. Ashall , E. Baron , C. R. Burns , P. Hoeflich , E. Y. Hsiao , E. Karamehmetoglu , T. J. Moriya , M. T. Botticella , A. Campillay , S. Castellon , C. Gonzalez , M. L. Pumo , S. Torres-Robledo

Discovery of an intermediate-luminosity red transient in M51 and its likely dust-obscured, infrared-variable progenitor

We present the discovery of an optical transient (OT) in Messier 51, designated M51 OT2019-1 (also ZTF19aadyppr, AT 2019abn, ATLAS19bzl), by the Zwicky Transient Facility (ZTF). The OT rose over 15 days to an observed luminosity of…

太阳与恒星天体物理 · 物理学 2019-07-31 Jacob E. Jencson , Scott M. Adams , Howard E. Bond , Schuyler D. van Dyk , Mansi M. Kasliwal , John Bally , Nadejda Blagorodnova , Kishalay De , Christoffer Fremling , Yuhan Yao , Andrew Fruchter , David Rubin , Cristina Barbarino , Jesper Sollerman , Adam A. Miller , Erin K. S. Hicks , Matthew A. Malkan , Igor Andreoni , Eric C. Bellm , Robert Buchheim , Richard Dekany , Michael Feeney , Sara Frederick , Avishay Gal-Yam , Robert D. Gehrz , Matteo Giomi , Matthew J. Graham , Wayne Green , David Hale , Matthew J. Hankins , Mark Hanson , George Helou , Anna Y. Q. Ho , T. Hung , Mario Jurić , Malhar R. Kendurkar , S. R. Kulkarni , Ryan M. Lau , Frank J. Masci , James D. Neill , Kevin Quin , Reed L. Riddle , Ben Rusholme , Forrest Sims , Nathan Smith , Roger M. Smith , Maayane T. Soumagnac , Yutaro Tachibana , Samaporn Tinyanont , Richard Walters , Stanley Watson , Robert E. Williams

Luminous Red Nova AT 2019zhd, a new merger in M 31

We present the follow-up campaign of the luminous red nova (LRN) AT~2019zhd, the third event of this class observed in M 31. The object was followed by several sky surveys for about five months before the outburst, during which it showed a…

太阳与恒星天体物理 · 物理学 2021-02-17 A. Pastorello , M. Fraser , G. Valerin , A. Reguitti , K. Itagaki , P. Ochner , S. C. Williams , D. Jones , J. Munday , S. J. Smartt , K. W. Smith , S. Srivastav , N. Elias-Rosa , E. Kankare , E. Karamehmetoglu , P. Lundqvist , P. A. Mazzali , U. Munari , M. D. Stritzinger , L. Tomasella , J. P. Anderson , K. C. Chambers , A. Rest

The ambiguous AT2022rze: Changing-look AGN mimicking a supernova in a merging galaxy system

AT2022rze is a luminous, ambiguous transient located South-East of the geometric center of its host galaxy at redshift z = 0.08. The host appears to be formed by a merging galaxy system. The observed characteristics of AT2022rze are…

高能天体物理现象 · 物理学 2025-12-23 P. J. Pessi , R. Lunnan , J. Sollerman , L. Yan , A. Le Reste , Y. Yao , S. Nordblom , Y. Sharma , M. Gilfanov , R. Sunyaev , S. Schulze , J. Johansson , A. Gangopadhyay , C. Fremling , K. Tristram , M. J. Hayes , C. Fransson , Y. Hu , S. J. Brennan , S. Rose , K. De , K-R. Hinds , C. Liu , A. A. Miller , Y-J. Qin , P. Charalampopoulos , A. Gkini , M. J. Graham , C. P. Gutiérrez , S. Mattila , T. Nagao , I. Pérez-Fournon , F. Poidevin , J. S. Bloom , J. Brugger , T. X. Chen , M. M. Kasliwal , F. J. Masci , J. N. Purdum

The luminous red nova variety: AT 2020hat and AT 2020kog

We present the results of our monitoring campaigns of the luminous red novae (LRNe) AT 2020hat in NGC 5068 and AT 2020kog in NGC 6106. The two objects were imaged (and detected) before their discovery by routine survey operations. They show…

太阳与恒星天体物理 · 物理学 2021-03-17 A. Pastorello , G. Valerin , M. Fraser , N. Elias-Rosa , S. Valenti , A. Reguitti , P. A. Mazzali , R. C. Amaro , J. E. Andrews , Y. Dong , J. Jencson , M. Lundquist , D. E. Reichart , D. J. Sand , S. Wyatt , S. J. Smartt , K. W. Smith , S. Srivastav , Y. -Z. Cai , E. Cappellaro , S. Holmbo , A. Fiore , D. Jones , E. Kankare , E. Karamehmetoglu , P. Lundqvist , A. Morales-Garoffolo , T. M. Reynolds , M. D. Stritzinger , S. C. Williams , K. C. Chambers , T. J. L. de Boer , M. E. Huber , A. Rest , R. Wainscoat

Panchromatic evolution of three luminous red novae: Forbidden hugs in pandemic times -- IV

We present photometric and spectroscopic data on three extragalactic luminous red novae (LRNe): AT2018bwo, AT2021afy, and AT2021blu. AT2018bwo was discovered in NGC45 (at 6.8 Mpc) a few weeks after the outburst onset. During the monitoring…

太阳与恒星天体物理 · 物理学 2023-03-22 A. Pastorello , G. Valerin , M. Fraser , A. Reguitti , N. Elias-Rosa , A. V. Filippenko , C. Rojas-Bravo , L. Tartaglia , T. M. Reynolds , S. Valenti , J. E. Andrews , C. Ashall , K. A. Bostroem , T. G. Brink , J. Burke , Y. -Z. Cai , E. Cappellaro , D. A. Coulter , R. Dastidar , K. W. Davis , G. Dimitriadis , A. Fiore , R. J. Foley , D. Fugazza , L. Galbany , A. Gangopadhyay , S. Geier , C. P. Gutierrez , J. Haislip , D. Hiramatsu , S. Holmbo , D. A. Howell , E. Y. Hsiao , T. Hung , S. W. Jha , E. Kankare , E. Karamehmetoglu , C. D. Kilpatrick , R. Kotak , V. Kouprianov , T. Kravtsov , S. Kumar , Z. -T. Li , M. J. Lundquist , P. Lundqvist , K. Matilainen , P. A. Mazzali , C. McCully , K. Misra , A. Morales-Garoffolo , S. Moran , N. Morrell , M. Newsome , E. Padilla Gonzalez , Y. -C. Pan , C. Pellegrino , M. M. Phillips , G. Pignata , A. L. Piro , D. E. Reichart , A. Rest , I. Salmaso , D. J. Sand , M. R. Siebert , S. J. Smartt , K. W. Smith , S. Srivastav , M. D. Stritzinger , K. Taggart , S. Tinyanont , S. -Y. Yan , L. Wang , X. -F. Wang , S. C. Williams , S. Wyatt , T. -M. Zhang , T. de Boer , K. Chambers , H. Gao , E. Magnier

Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 4631

We present an observational study of the luminous red nova (LRN) AT\,2021biy in the nearby galaxy NGC\,4631. The field of the object was routinely imaged during the pre-eruptive stage by synoptic surveys, but the transient was detected only…

太阳与恒星天体物理 · 物理学 2022-11-02 Y. -Z. Cai , A. Pastorello , M. Fraser , X. -F. Wang , A. V. Filippenko , A. Reguitti , K. C. Patra , V. P. Goranskij , E. A. Barsukova , T. G. Brink , N. Elias-Rosa , H. F. Stevance , W. Zheng , Y. Yang , K. E. Atapin , S. Benetti , T. J. L. de Boer , S. Bose , J. Burke , R. Byrne , E. Cappellaro , K. C. Chambers , W. -L. Chen , N. Emami , H. Gao , D. Hiramatsu , D. A. Howell , M. E. Huber , E. Kankare , P. L. Kelly , R. Kotak , T. Kravtsov , V. Yu. Lander , Z. -T. Li , C. -C. Lin , P. Lundqvist , E. A. Magnier , E. A. Malygin , N. A. Maslennikova , K. Matilainen , P. A. Mazzali , C. McCully , J. Mo , S. Moran , M. Newsome , D. V. Oparin , E. Padilla Gonzalez , T. M. Reynolds , N. I. Shatsky , S. J. Smartt , K. W. Smith , M. D. Stritzinger , A. M. Tatarnikov , G. Terreran , R. I. Uklein , G. Valerin , P. J. Vallely , O. V. Vozyakova , R. Wainscoat , S. -Y. Yan , J. -J. Zhang , T. -M. Zhang , S. G. Zheltoukhov , R. Dastidar , M. Fulton , L. Galbany , A. Gangopadhyay , H. -W. Ge , C. P. Gutiérrez , H. Lin , K. Misra , Z. -W. Ou , I. Salmaso , L. Tartaglia , L. Xiao , X. -H. Zhang

An extremely fast fading population II dwarf nova candidate: caught spectroscopically on the rise

We present AT2022kak, a rapidly evolving optical transient discovered by the KiloNova and Transients Program (KNTraP). This interesting burst exhibited extremely fast evolution, with a large amplitude blue outburst of m > 3.3 in a single…

太阳与恒星天体物理 · 物理学 2026-03-04 Natasha Van Bemmel , Jielai Zhang , Jeff Cooke , Anais Möller , Igor Andreoni , Katie Auchettl , David Buckley , Jonathan Carney , Dougal Dobie , James Freeburn , Bruce Gendre , Vanshika Kansal , Itumeleng Monageng , Arne Rau , Nikita Rawat , Mark Suhr , Edward N. Taylor