相关论文: Intermediate-luminosity red transients: Spectropho…

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

Red eminence: The intermediate-luminosity red transient AT 2022fnm

We present results from a five-month-long observing campaign of the unusual transient AT 2022fnm, which displays properties common to both luminous red novae (LRNe) and intermediate-luminosity red transients (ILRTs). Although its…

高能天体物理现象 · 物理学 2024-06-06 S. Moran , R. Kotak , M. Fraser , A. Pastorello , Y. -Z. Cai , G. Valerin , S. Mattila , E. Cappellaro , T. Kravtsov , C. P. Gutiérrez , N. Elias-Rosa , A. Reguitti , P. Lundqvist , T. G. Brink , A. V. Filippenko , X. -F. Wang

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

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

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

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

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

Intermediate Luminosity Red Transients by Black Holes Born from Erupting Massive Stars

We consider black hole formation in failed supernovae when a dense circumstellar medium (CSM) is present around the massive star progenitor. By utilizing radiation hydrodynamical simulations, we calculate the mass ejection of blue…

高能天体物理现象 · 物理学 2020-07-22 Daichi Tsuna , Ayako Ishii , Naoto Kuriyama , Kazumi Kashiyama , Toshikazu Shigeyama

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

Optical and Near-IR Observations of the Faint and Fast 2008ha-like Supernova 2010ae

A comprehensive set of optical and near-infrared (NIR) photometry and spectroscopy is presented for the faint and fast 2008ha-like supernova (SN) 2010ae. Contingent on the adopted value of host extinction, SN 2010ae reached a peak…

高能天体物理现象 · 物理学 2015-06-17 M. D. Stritzinger , E. Hsiao , S. Valenti , F. Taddia , T. J. Rivera-Thorsen , G. Leloudas , K. Maeda , A. Pastorello , M. M. Phillips , G. Pignata , E. Baron , C. R. Burns , C. Contreras , G. Folatelli , M. Hamuy , P. Hoeflich , N. Morrell , J. L. Prieto , S. Benetti , A. Campillay , J. B. Haislip , A. P. LaClutze , J. P. Moore , D. E. Reichart

A New Class of Luminous Transients and A First Census of Their Massive Stellar Progenitors

The progenitors of SN 2008S and the 2008 transient in NGC300 were dust-enshrouded, with extremely red mid-infrared (MIR) colors and relatively low luminosities. The transients were optically faint (-13 < M_V < -15) compared to normal…

天体物理学 · 物理学 2009-11-09 Todd A. Thompson , Jose L. Prieto , K. Z. Stanek , Matthew D. Kistler , John F. Beacom , Christopher S. Kochanek

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

The Intermediate Luminosity Optical Transient SN 2010da: The Progenitor, Eruption and Aftermath of a Peculiar Supergiant High-mass X-ray Binary

We present optical spectroscopy, ultraviolet to infrared imaging and X-ray observations of the intermediate luminosity optical transient (ILOT) SN 2010da in NGC 300 (d=1.86 Mpc) spanning from -6 to +6 years relative to the time of outburst…

太阳与恒星天体物理 · 物理学 2016-10-17 V. Ashley Villar , Edo Berger , Ryan Chornock , Raffaella Margutti , Tanmoy Laskar , Peter J. Brown , Peter K. Blanchard , Ian Czekala , Ragnhild Lunnan , Mark T. Reynolds

JWST MIRI/MRS Observations and Spectral Models of the Under-luminous Type Ia Supernova 2022xkq

We present a JWST mid-infrared spectrum of the under-luminous Type Ia Supernova (SN Ia) 2022xkq, obtained with the medium-resolution spectrometer on the Mid-Infrared Instrument (MIRI) $\sim130$ days post-explosion. We identify the first MIR…

高能天体物理现象 · 物理学 2023-11-08 J. M. DerKacy , C. Ashall , P. Hoeflich , E. Baron , M. Shahbandeh , B. J. Shappee , J. Andrews , D. Baade , E. F Balangan , K. A. Bostroem , P. J. Brown , C. R. Burns , A. Burrow , A. Cikota , T. de Jaeger , A. Do , Y. Dong , I. Dominguez , O. Fox , L. Galbany , E. T. Hoang , E. Y. Hsiao , D. Janzen , J. E. Jencson , K. Krisciunas , S. Kumar , J. Lu , M. Lundquist , T. B. Mera Evans , J. R. Maund , P. Mazzali , K. Medler , N. E. Meza Retamal , N. Morrell , F. Patat , J. Pearson , M. M. Phillips , M. Shrestha , S. Stangl , C. P. Stevens , M. D. Stritzinger , N. B. Suntzeff , C. M. Telesco , M. A. Tucker , S. Valenti , L. Wang , Y. Yang

Ultra-bright optical transients are linked with type Ic supernovae

Recent searches by unbiased, wide-field surveys have uncovered a group of extremely luminous optical transients. The initial discoveries of SN 2005ap by the Texas Supernova Search and SCP-06F6 in a deep Hubble pencil beam survey were…

太阳与恒星天体物理 · 物理学 2015-05-19 A. Pastorello , S. J. Smartt , M. T. Botticella , K. Maguire , M. Fraser , K. Smith , R. Kotak , L. Magill , S. Valenti , D. R. Young , S. Gezari , F. Bresolin , R. Kudritzki , D. A. Howell , A. Rest , N. Metcalfe , S. Mattila , E. Kankare , K. Y. Huang , Y. Urata , W. S. Burgett , K. C. Chambers , T. Dombeck , T. Flewelling , T. Grav , J. N. Heasley , K. W. Hodapp , N. Kaiser , G. A. Luppino , R. H. Lupton , E. A. Magnier , D. G. Monet , J. S. Morgan , P. M. Onaka , P. A. Price , P. H. Rhoads , W. A. Siegmund , C. W. Stubbs , W. E. Sweeney , J. L. Tonry , R. J. Wainscoat , M. F. Waterson , C. Waters , C. G. Wynn-Williams

Spectroscopic Classification of Extragalactic Transients from CRTS

The Catalina Real-time Transient Survey (CRTS) carried out a public survey for optical transients between 2007 and 2019, discovering more than 16,000 transient candidates. Here we present the spectra and highlight the results of the…

高能天体物理现象 · 物理学 2025-10-27 A. J. Drake , S. G. Djorgovski , M. J. Graham , D. Stern , A. A. Mahabal , M. Catelan , J. L. Prieto , S. Larson

An Intermediate Luminosity Transient in NGC300: The Eruption of a Dust-Enshrouded Massive Star

[abridged] We present multi-epoch high-resolution optical spectroscopy, UV/radio/X-ray imaging, and archival Hubble and Spitzer observations of an intermediate luminosity optical transient recently discovered in the nearby galaxy NGC300. We…

高能天体物理现象 · 物理学 2009-07-24 E. Berger , A. M. Soderberg , R. A. Chevalier , C. Fransson , R. J. Foley , D. C. Leonard , J. H. Debes , A. M. Diamond-Stanic , A. K. Dupree , I. I. Ivans , J. Simmerer , I. B. Thompson , C. A. Tremonti

SN 2009js at the crossroads between normal and subluminous Type IIP supernovae: optical and mid-infrared evolution

We present a study of SN 2009js in NGC 918. Multi-band Kanata optical photometry covering the first ~120 days show the source to be a Type IIP SN. Reddening is dominated by that due to our Galaxy. One-year-post-explosion photometry with the…

太阳与恒星天体物理 · 物理学 2015-06-15 P. Gandhi , M. Yamanaka , M. Tanaka , T. Nozawa , K. S. Kawabata , I. Saviane , K. Maeda , T. J. Moriya , T. Hattori , M. Sasada , R. Itoh