Related papers: Optical Spectroscopy of Type Ia Supernovae

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

Optical and Infrared Photometry of the Nearby Type Ia Supernova 2001el

We present well sampled optical (UBVRI) and infrared (JHK) light curves of the nearby (~18.0 Mpc) Type Ia supernova SN 2001el, from 11 days before to 142 days after the time of B-band maximum. The data represent one of the best sets of…

Astrophysics · Physics 2009-11-07 Kevin Krisciunas , Nicholas B. Suntzeff , Pablo Candia , Jose Arenas , Juan Espinoza , David Gonzalez , Sergio Gonzalez , Peter A. Hoeflich , Arlo U. Landolt , Mark M. Phillips , Sergio Pizarro

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

Early observations of the nearby type Ia supernova SN 2015F

We present photometry and time-series spectroscopy of the nearby type Ia supernova (SN Ia) SN 2015F over $-16$ days to $+80$ days relative to maximum light, obtained as part of the Public ESO Spectroscopic Survey of Transient Objects…

Solar and Stellar Astrophysics · Physics 2016-12-07 R. Cartier , M. Sullivan , R. Firth , G. Pignata , P. Mazzali , K. Maguire , M. J. Childress , I. Arcavi , C. Ashall , B. Bassett , S. M. Crawford , C. Frohmaier , L. Galbany , A. Gal-Yam , G. Hosseinzadeh , D. A. Howell , C. Inserra , J. Johansson , E. K. Kasai , C. McCully , S. Prajs , S. Prentice , S. Schulze , S. J. Smartt , K. W. Smith , M. Smith , S. Valenti , D. R. Young

Supernova Rates and Luminosity Functions from ASAS-SN I: 2014--2017 Type Ia SNe and Their Subtypes

We present the volumetric rates and luminosity functions (LFs) of Type Ia supernovae (SNe Ia) from the $V$-band All-Sky Automated Survey for Supernovae (ASAS-SN) catalogues spanning discovery dates from UTC 2014-01-26 to UTC 2017-12-29. Our…

High Energy Astrophysical Phenomena · Physics 2024-05-27 D. D. Desai , C. S. Kochanek , B. J. Shappee , T. Jayasinghe , K. Z. Stanek , T. W. -S. Holoien , T. A. Thompson , C. Ashall , J. F. Beacom , A. Do , S. Dong , J. L. Prieto

Implications for the Explosion Mechanism of Type Ia Supernovae from their Late-time Spectra

Late-time spectra of Type Ia supernovae (SNe Ia) are important in clarifying the physics of their explosions, as they provide key clues to the inner structure of the exploding white dwarfs. We examined late-time optical spectra of 36 SNe…

High Energy Astrophysical Phenomena · Physics 2023-09-14 Jialian Liu , Xiaofeng Wang , Alexei V. Filippenko , Thomas G. Brink , Yi Yang , Weikang Zheng , Hanna Sai , Gaobo Xi , Shengyu Yan , Nancy Elias-Rosa , Wenxiong Li , Xiangyun Zeng , Abdusamatjan Iskandar

Supernova 2002bo: inadequacy of the single parameter description

We present optical/near-infrared photometry and spectra of the type Ia SN 2002bo spanning epochs from -13 days before maximum B-band light to +102 days after. The pre-maximum optical coverage is particularly complete. In some respects, SN…

Astrophysics · Physics 2008-11-26 S. Benetti , P. Meikle , M. Stehle , G. Altavilla , S. Desidera , G. Folatelli , A. Goobar , S. Mattila , J. Mendez , H. Navasardyan , A. Pastorello , F. Patat , M. Riello , P. Ruiz-Lapuente , D. Tsvetkov , M. Turatto , P. Mazzali , W. Hillebrandt

The Fall 2004 SDSS Supernova Survey

In preparation for the Supernova Survey of the Sloan Digital Sky Survey (SDSS) II, a proposed 3-year extension to the SDSS, we have conducted an early engineering and science run during the fall of 2004, which consisted of approximately 20…

Astrophysics · Physics 2008-11-26 Masao Sako , Roger Romani , Josh Frieman , Jen Adelman-McCarthy , Andrew Becker , Fritz DeJongh , Ben Dilday , Juan Estrada , John Hendry , Jon Holtzman , Jared Kaplan , Rick Kessler , Hubert Lampeitl , John Marriner , Gajus Miknaitis , Adam Riess , Douglas Tucker , J. Barentine , R. Blandford , H. Brewington , J. Dembicky , M. Harvanek , S. Hawley , C. Hogan , D. Johnston , S. Kahn , B. Ketzeback , S. Kleinman , J. Krzesinski , D. Lamenti , D. Long , R. McMillan , P. Newman , A. Nitta , R. Nichol , R. Scranton , E. Sheldon , S. Snedden , C. Stoughton , D. York , the SDSS Collaboration

Carnegie Supernova Project-II: Near-infrared spectral diversity and template of Type Ia Supernovae

We present the largest and most homogeneous collection of near-infrared (NIR) spectra of Type Ia supernovae (SNe Ia): 339 spectra of 98 individual SNe obtained as part of the Carnegie Supernova Project-II. These spectra, obtained with the…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Jing Lu , Eric Y. Hsiao , Mark M. Phillips , Christopher R. Burns , Chris Ashall , Nidia Morrell , Lawrence Ng , Sahana Kumar , Melissa Shahbandeh , Peter Hoeflich , E. Baron , Syed Uddin , Maximilian D. Stritzinger , Nicholas B. Suntzeff , Charles Baltay , Scott Davis , Tiara R. Diamond , Gaston Folatelli , Francisco Förster , Jonathan Gagné , Lluís Galbany , Christa Gall , Santiago González-Gaitán , Simon Holmbo , Robert P. Kirshner , Kevin Krisciunas , G. H. Marion , Saul Perlmutter , Priscila J. Pessi , Anthony L. Piro , David Rabinowitz , Stuart D. Ryder , David J. Sand

Rates and Progenitors of Type Ia Supernovae

The remarkable uniformity of Type Ia supernovae (SNe Ia) has allowed astronomers to use them as distance indicators to measure the properties and expansion history of the Universe. However, SNe Ia exhibit intrinsic variation in both their…

Astrophysics · Physics 2009-09-29 William Michael Wood-Vasey

A Novel Color Parameter As A Luminosity Calibrator for Type Ia Supernovae

Type Ia supernovae (SNe Ia) provide us with a unique tool for measuring extragalactic distances and determining cosmological parameters. As a result, the precise and effective calibration for peak luminosities of SNe Ia becomes extremely…

Astrophysics · Physics 2016-08-30 Xiaofeng Wang , Lifan Wang , Xu Zhou , Yuqing Lou , Zongwei Li

Extrapolation of Type Ia Supernova Spectra into the Near-Infrared Using PCA

We present a method of extrapolating the spectroscopic behavior of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) wavelength regime up to 2.30 $\mu$m using optical spectroscopy. Such a process is useful for accurately estimating…

High Energy Astrophysical Phenomena · Physics 2024-04-09 Anthony Burrow , E. Baron , Christopher R. Burns , Eric Y. Hsiao , Jing Lu , Chris Ashall , Peter J. Brown , James M. DerKacy , G. Folatelli , Lluís Galbany , P. Hoeflich , Kevin Krisciunas , N. Morrell , M. M. Phillips , Benjamin J. Shappee , Maximilian D. Stritzinger , Nicholas B. Suntzeff

Supernovae with "Super-Hipparcos"

GAIA is the ``super-Hipparcos'' satellite scheduled for launch in 2010 by the European Space Agency. It is a scanning satellite that carries out multi-colour, multi-epoch photometry on all objects brighter than 20th magnitude. We conduct…

Astrophysics · Physics 2009-11-07 V. Belokurov , N. W. Evans

On the Spectroscopic Diversity of Type Ia Supernovae

A comparison of the ratio of the depths of two absorption features in the spectra of TypeIa supernovae (SNe Ia) near the time of maximum brightness with the blueshift of the deep red Si II absorption feature 10 days after maximum shows that…

Astrophysics · Physics 2009-10-31 Kazuhito Hatano , David Branch , Eric J. Lentz , E. Baron , Alexei V. Filippenko , Peter M. Garnavich

The First Data Release of CNIa0.02 -- A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves

The CNIa0.02 project aims to collect a complete, nearby sample of Type Ia supernovae (SNe Ia) light curves, and the SNe are volume-limited with host-galaxy redshifts z_host < 0.02. The main scientific goal is to infer the distributions of…

High Energy Astrophysical Phenomena · Physics 2022-12-29 Ping Chen , Subo Dong , C. S. Kochanek , K. Z. Stanek , R. S. Post , M. D. Stritzinger , J. L. Prieto , Alexei V. Filippenko , Juna A. Kollmeier , N. Elias-Rosa , Boaz Katz , Lina Tomasella , S. Bose , Chris Ashall , S. Benetti , D. Bersier , Joseph Brimacombe , Thomas G. Brink , P. Brown , David A. H. Buckley , Enrico Cappellaro , Grant W. Christie , Morgan Fraser , Mariusz Gromadzki , Thomas W. -S. Holoien , Shaoming Hu , Erkki Kankare , Robert Koff , P. Lundqvist , S. Mattila , P. A. Milne , Nidia Morrell , J. A. Munoz , Robert Mutel , Tim Natusch , Joel Nicolas , A. Pastorello , Simon Prentice , Tyler Roth , B. J. Shappee , Geoffrey Stone , Todd A. Thompson , Steven Villanueva , WeiKang Zheng

Breaking the color-reddening degeneracy in type Ia supernovae

A new method to study the intrinsic color and luminosity of type Ia supernovae (SNe Ia) is presented. A metric space built using principal component analysis (PCA) on spectral series SNe Ia between -12.5 and +17.5 days from B maximum is…

Solar and Stellar Astrophysics · Physics 2016-04-27 M. Sasdelli , E. E. O. Ishida , W. Hillebrandt , C. Ashall , P. A. Mazzali , S. Prentice

ZTF SN Ia DR2: Overview

We present the first homogeneous release of several thousand Type Ia supernovae (SNe Ia), all having spectroscopic classification, and spectroscopic redshifts for half the sample. This release, named the "DR2", contains 3628 nearby (z <…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-04 Mickael Rigault , Mathew Smith , Ariel Goobar , Kate Maguire , Georgios Dimitriadis , Umut Burgaz , Suhail Dhawan , Jesper Sollerman , Nicolas Regnault , Marek Kowalski , Melissa Amenouche , Marie Aubert , Chloé Barjou-Delayre , Julian Bautista , Josh S. Bloom , Bastien Carreres , Tracy X. Chen , Yannick Copin , Maxime Deckers , Dominique Fouchez , Christoffer Fremling , Lluis Galbany , Madeleine Ginolin , Matthew Graham , Mancy M. Kasliwal , W. D'Arcy Kenworthy , Young-Lo Kim , Dylan Kuhn , Frank F. Masci , Tomas Müller-Bravo , Adam Miller , Joel Johansson , Jakob Nordin , Peter Nugent , Igor Andreoni , Eric Bellm , Marc Betoule , Mahmoud Osman , Dan Perley , Brodie Popovic , Philippe Rosnet , Damiano Rosselli , Florian Ruppin , Robert Senzel , Ben Rusholme , Tassilo Schweyer , Jacco H. Terwel , Alice Townsend , Andy Tzanidakis , Avery Wold , Josiah Purdum , Yu-Jing Qin , Benjamin Racine , Simeon Reusch , Reed Riddle , Lin Yan

A Polarization Sequence for Type Ia Supernovae?

Early polarization observations on Type Ia supernovae (SNe Ia) may reveal the geometry of supernova ejecta, and then put constraints on their explosion mechanism and their progenitor model. We performed a literature search of SNe Ia with…

High Energy Astrophysical Phenomena · Physics 2017-05-31 Xiangcun Meng , Jujia Zhang , Zhanwen Han

Analysis of the Early-Time Optical Spectra of SN 2011fe in M101

The nearby Type Ia supernova SN 2011fe in M101 (cz=241 km s^-1) provides a unique opportunity to study the early evolution of a "normal" Type Ia supernova, its compositional structure, and its elusive progenitor system. We present 18 high…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 J. T. Parrent , D. A. Howell , B. Friesen , R. C. Thomas , R. A. Fesen , D. Milisavljevic , F. B. Bianco , B. Dilday , P. Nugent , E. Baron , I. Arcavi , S. Ben-Ami , D. Bersier , L. Bildsten , J. Bloom , Y. Cao , S. B. Cenko , A. V. Filippenko , A. Gal-Yam , M. M. Kasliwal , N. Konidaris , S. R. Kulkarni , N. M. Law , D. Levitan , K. Maguire , P. A. Mazzali , E. O. Ofek , Y. Pan , D. Polishook , D. Poznanski , R. M. Quimby , J. M. Silverman , A. Sternberg , M. Sullivan , E. S. Walker , D. Xu , C. Buton , R. Pereira

The First Maximum-Light Ultraviolet through Near-Infrared Spectrum of a Type Ia Supernova

We present the first maximum-light ultraviolet (UV) through near-infrared (NIR) Type Ia supernova (SN Ia) spectrum. This spectrum of SN 2011iv was obtained nearly simultaneously by the Hubble Space Telescope at UV/optical wavelengths and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Ryan J. Foley , Markus Kromer , G. Howie Marion , Giuliano Pignata , Maximilian D. Stritzinger , Stefan Taubenberger , Peter Challis , Alexei V. Filippenko , Gaston Folatelli , Wolfgang Hillebrandt , Eric Y. Hsiao , Robert P. Kirshner , Weidong Li , Nidia I. Morrell , Friedrich K. Roepke , Franco Ciaraldi-Schoolmann , Ivo R. Seitenzahl , Jeffrey M. Silverman , Robert A. Simcoe , Zachory K. Berta , Kevin M. Ivarsen , Elisabeth R. Newton , Melissa C. Nysewander , Daniel E. Reichart