Related papers: Can Lambda be determined from nearby Type Ia Super…

The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset

We present cosmological constraints from the sample of Type Ia supernovae (SN Ia) discovered during the full five years of the Dark Energy Survey (DES) Supernova Program. In contrast to most previous cosmological samples, in which SN are…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-22 DES Collaboration , T. M. C. Abbott , M. Acevedo , M. Aguena , A. Alarcon , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , P. Armstrong , J. Asorey , S. Avila , D. Bacon , B. A. Bassett , K. Bechtol , P. H. Bernardinelli , G. M. Bernstein , E. Bertin , J. Blazek , S. Bocquet , D. Brooks , D. Brout , E. Buckley-Geer , D. L. Burke , H. Camacho , R. Camilleri , A. Campos , A. Carnero Rosell , D. Carollo , A. Carr , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , R. Chen , A. Choi , C. Conselice , M. Costanzi , L. N. da Costa , M. Crocce , T. M. Davis , D. L. DePoy , S. Desai , H. T. Diehl , M. Dixon , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , J. Elvin-Poole , S. Everett , I. Ferrero , A. Ferté , B. Flaugher , R. J. Foley , P. Fosalba , D. Friedel , J. Frieman , C. Frohmaier , L. Galbany , J. García-Bellido , M. Gatti , E. Gaztanaga , G. Giannini , K. Glazebrook , O. Graur , D. Gruen , R. A. Gruendl , G. Gutierrez , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , N. Jeffrey , E. Kasai , L. Kelsey , S. Kent , R. Kessler , A. G. Kim , R. P. Kirshner , E. Kovacs , K. Kuehn , O. Lahav , J. Lee , S. Lee , G. F. Lewis , T. S. Li , C. Lidman , H. Lin , U. Malik , J. L. Marshall , P. Martini , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , J. Mould , J. Muir , A. Möller , E. Neilsen , R. C. Nichol , P. Nugent , R. L. C. Ogando , A. Palmese , Y. -C. Pan , M. Paterno , W. J. Percival , M. E. S. Pereira , A. Pieres , A. A. Plazas Malagón , B. Popovic , A. Porredon , J. Prat , H. Qu , M. Raveri , M. Rodríguez-Monroy , A. K. Romer , A. Roodman , B. Rose , M. Sako , E. Sanchez , D. Sanchez Cid , M. Schubnell , D. Scolnic , I. Sevilla-Noarbe , P. Shah , J. Allyn. Smith , M. Smith , M. Soares-Santos , E. Suchyta , M. Sullivan , N. Suntzeff , M. E. C. Swanson , B. O. Sánchez , G. Tarle , G. Taylor , D. Thomas , C. To , M. Toy , M. A. Troxel , B. E. Tucker , D. L. Tucker , S. A. Uddin , M. Vincenzi , A. R. Walker , N. Weaverdyck , R. H. Wechsler , J. Weller , W. Wester , P. Wiseman , M. Yamamoto , F. Yuan , B. Zhang , Y. Zhang

Type Ia Supernova Progenitors, Environmental Effects, and Cosmic Supernova Rates

Relatively uniform light curves and spectral evolution of Type Ia supernovae (SNe Ia) have led to the use of SNe Ia as a ``standard candle'' to determine cosmological parameters, such as the Hubble constant, the density parameter, and the…

Astrophysics · Physics 2007-05-23 Ken'ichi Nomoto , Hideyuki Umeda , Izumi Hachisu , Mariko Kato , Chiaki Kobayashi , Takuji Tsujimoto

Nebular-Phase Spectra of Type Ia Supernovae from the Las Cumbres Observatory Global Supernova Project

The observed diversity in Type Ia supernovae (SNe Ia) -- the thermonuclear explosions of carbon-oxygen white dwarf stars used as cosmological standard candles -- is currently met with a variety of explosion models and progenitor scenarios.…

High Energy Astrophysical Phenomena · Physics 2022-02-09 M. L. Graham , T. D. Kennedy , S. Kumar , R. C. Amaro , D. J. Sand , S. W. Jha , L. Galbany , J. Vinko , J. C. Wheeler , E. Y. Hsiao , K. A. Bostroem , J. Burke , D. Hiramatsu , G. Hosseinzadeh , C. McCully , D. A. Howell , T. Diamond , P. Hoeflich , X. Wang , W. Li

Snapshot Distances to Type Ia Supernovae -- All in ``One'' Night's Work

We present an empirical method which measures the distance to a Type Ia supernova (SN Ia) with a precision of ~ 10% from a single night's data. This method measures the supernova's age and luminosity/light-curve parameter from a spectrum,…

Astrophysics · Physics 2009-10-30 Adam G. Riess , Peter Nugent , Alexei V. Filippenko , Robert P. Kirshner , Saul Perlmutter

Model-independent measurement of the absolute magnitude of Type Ia Supernovae with gravitational-wave sources

The similarity of the absolute luminosity profiles of Type Ia supernovae (SNIe), as one kind of distance indicator, has led their use in extragalactic astronomy as secondary standard candles. In general, the empirical relationship of SNIa…

High Energy Astrophysical Phenomena · Physics 2019-11-18 Wen Zhao , Larissa Santos

A New Insight into the Classification of Type Ia Supernovae

Type Ia Supernovae (SNe Ia) spectra are compared regarding the coefficient of the largest wavelet scale in their decomposition. Two distinct subgroups were identified and their occurrence is discussed in light of use of SNe Ia as…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Vladan Arsenijevic

Strongly lensed type Ia supernovae as a precise late-universe probe of measuring the Hubble constant and cosmic curvature

Strongly lensed type Ia supernovae (SNe Ia) are expected to have some advantages in measuring time delays of multiple images, and so they have a great potential to be developed into a powerful late-universe cosmological probe. In this…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-26 Jing-Zhao Qi , Yu Cui , Wei-Hong Hu , Jing-Fei Zhang , Jing-Lei Cui , Xin Zhang

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~0.5

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the subset at 0.01< z<0.1. Adding two SNe at…

Astrophysics · Physics 2012-08-27 The Supernova Cosmology Project , : , S. Nobili , R. Amanullah , G. Garavini , A. Goobar , C. Lidman , V. Stanishev , G. Aldering , P. Antilogus , P. Astier , M. S. Burns , A. Conley , S. E. Deustua , R. Ellis , S. Fabbro , V. Fadeyev , G. Folatelli , R. Gibbons , G. Goldhaber , D. E. Groom , I. Hook , D. A. Howell , A. G. Kim , R. A. Knop , P. E. Nugent , R. Pain , S. Perlmutter , R. Quimby , J. Raux , N. Regnault , P. Ruiz-Lapuente , G. Sainton , K. Schahmaneche , E. Smith , A. L. Spadafora , R. C. Thomas , L. Wang

The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample

We present optical light curves, redshifts, and classifications for 365 spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Survey. We detail improvements to the PS1 SN photometry,…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 D. M. Scolnic , D. O. Jones , A. Rest , Y. C. Pan , R. Chornock , R. J. Foley , M. E. Huber , R. Kessler , G. Narayan , A. G. Riess , S. Rodney , E. Berger , D. J. Brout , P. J. Challis , M. Drout , D. Finkbeiner , R. Lunnan , R. P. Kirshner , N. E. Sanders , E. Schlafly , S. Smartt , C. W. Stubbs , J. Tonry , W. M. Wood-Vasey , M. Foley , J. Hand , E. Johnson , W. S. Burgett , K. C. Chambers , P. W. Draper , K. W. Hodapp , N. Kaiser , R. P. Kudritzki , E. A. Magnier , N. Metcalfe , F. Bresolin , E. Gall , R. Kotak , M. McCrum , K. W. Smith

Normal or transitional? The evolution and properties of two type Ia supernovae in the Virgo cluster

Type Ia supernovae (SNe Ia) are among the most precise cosmological distance indicators used to study the expansion history of the Universe. The vast increase of SN Ia data due to large-scale astrophysical surveys has led to the discovery…

High Energy Astrophysical Phenomena · Physics 2026-02-25 L. Izzo , C. Gall , N. Khetan , N. Earl , J. Hjorth , W. B. Hoogendam , Y. Q. Ni , A. Sedgewick , S. M. Ward , Y. Zenati , K. Auchettl , S. Bhattacharjee , S. Benetti , M. Branchesi , E. Cappellaro , A. Catapano , K. C. Chambers , D. A. Coulter , K. W. Davis , M. Della Valle , S. Dhawan , T. de Boer , G. Dimitriadis , R. J. Foley , M. Fulton , H. Gao , W. J. Hon , M. E. Huber , D. O. Jones , C. D. Kilpatrick , C. C. Lin , T. B. Lowe , E. A. Magnier , K. S. Mandel , R. Margutti , G. Narayan , P. Ochner , Y. C. Pan , A. Reguitti , C. Rojas-Bravo , M. Siebert , S. J. Smartt , K. W. Smith , S. Srivastav , J. J. Swift , K. Taggart , G. Terreran , S. Thorp , L. Tomasella , R. J. Wainscoat

Spectra and Light Curves of Six Type Ia Supernovae at 0.511 < z < 1.12 and the Union2 Compilation

We report on work to increase the number of well-measured Type Ia supernovae (SNe Ia) at high redshifts. Light curves, including high signal-to-noise HST data, and spectra of six SNe Ia that were discovered during 2001 are presented.…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-15 R. Amanullah , C. Lidman , D. Rubin , G. Aldering , P. Astier , K. Barbary , M. S. Burns , A. Conley , K. S. Dawson , S. E. Deustua , M. Doi , S. Fabbro , L. Faccioli , H. K. Fakhouri , G. Folatelli , A. S. Fruchter , H. Furusawa , G. Garavini , G. Goldhaber , A. Goobar , D. E. Groom , I. Hook , D. A. Howell , N. Kashikawa , A. G. Kim , R. A. Knop , M. Kowalski , E. Linder , J. Meyers , T. Morokuma , S. Nobili , J. Nordin , P. E. Nugent , L. Ostman , R. Pain , N. Panagia , S. Perlmutter , J. Raux , P. Ruiz-Lapuente , A. L. Spadafora , M. Strovink , N. Suzuki , L. Wang , W. M. Wood-Vasey , N. Yasuda

Expected Changes of Supernovae with Redshift due to Evolution of their Progenitors

We have analyzed the influence of the stellar populations, from which SN progenitors come from, on the observational outcome, including the metal free Pop. III. We use our models to study the evolution of the progenitor, the subsequent…

Astrophysics · Physics 2007-05-23 Inma Dominguez , Peter Hoeflich , Oscar Straniero , Marco Limongi , Alessandro Chieffi

New approaches to SNe Ia progenitors

Although Type Ia supernovae (SNe Ia) are a major tool in cosmology and play a key role in the chemical evolution of galaxies, the nature of their progenitor systems (apart from the fact that they must contain at least one white dwarf, that…

High Energy Astrophysical Phenomena · Physics 2014-11-12 Pilar Ruiz-Lapuente

Prospects of Searching for Type Ia Supernovae with 2.5-m Wide Field Survey Telescope

Type Ia Supernovae (SNe Ia) are the thermonuclear explosion of a carbon-oxygen white dwarf (WD) and are well-known as a distance indicator. However, it is still unclear how WDs increase their mass near the Chandrasekhar limit and how the…

Solar and Stellar Astrophysics · Physics 2022-12-27 Maokai Hu , Lei Hu , Ji-an Jiang , Lin Xiao , Lulu Fan , Junjie Wei , Xuefeng Wu

UV Properties of Type Ia Supernova and their Host Galaxies

Type Ia Supernova(SN Ia) are a powerful, albeit not completely understood, tool for cosmology. Gaps in our understanding of their progenitors and detailed physics can lead to systematic errors in the cosmological distances they measure. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Brad E. Tucker

Cosmic gamma-ray background from Type Ia supernovae revisited: Evidence for missing gamma-rays at MeV

The observed cosmic gamma-ray background at ~ MeV has often been attributed to Type Ia supernovae (SNIa). Since SNIa is close to a standard candle, one can calculate the gamma-ray intensity of SNIa integrated over redshifts fairly…

Astrophysics · Physics 2009-11-11 Kyungjin Ahn , Eiichiro Komatsu , Peter Hoflich

Spectrophotometric time series of SN 2011fe from the Nearby Supernova Factory

We present 32 epochs of optical (3300-9700 \AA) spectrophotometric observations of the nearby quintessential "normal" type Ia supernova (SN Ia) SN 2011fe in the galaxy M101, extending from -15 to +97 d with respect to B-band maximum,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 R. Pereira , R. C. Thomas , G. Aldering , P. Antilogus , C. Baltay , S. Benitez-Herrera , S. Bongard , C. Buton , A. Canto , F. Cellier-Holzem , J. Chen , M. Childress , N. Chotard , Y. Copin , H. K. Fakhouri , M. Fink , D. Fouchez , E. Gangler , J. Guy , W. Hillebrandt , E. Y. Hsiao , M. Kerschhaggl , M. Kowalski , M. Kromer , J. Nordin , P. Nugent , K. Paech , R. Pain , E. Pécontal , S. Perlmutter , D. Rabinowitz , M. Rigault , K. Runge , C. Saunders , G. Smadja , C. Tao , S. Taubenberger , A. Tilquin , C. Wu

The Accelerating Universe and Dark Energy: Evidence from Type Ia Supernovae

The measured luminosity distances of Type Ia supernovae (SNe Ia) as a function of redshift have shown that the expansion of the Universe is currently accelerating, probably due to the presence of repulsive dark energy such as Einstein's…

Astrophysics · Physics 2017-08-23 A. V. Filippenko

Statistical Connections Between the Properties of Type Ia Supernovae and the B--V Colors of Their Parent Galaxies, and the Value of H$_0$

Statistical connections between the properties of Type Ia supernovae (SNe Ia) and the B--V colors of their parent galaxies are established. Compared to SNe Ia in blue galaxies [B-V$\la$0.75], SNe Ia in redder galaxies have (1) a wider…

Astrophysics · Physics 2016-08-30 David Branch , W. Romanishin , E. Baron

The Hubble Constant from the Fornax Cluster Distance

Type Ia supernovae are the best cosmological standard candles available. The intrinsic scatter of their decline-rate- and colour-corrected peak brightnesses in the Hubble diagram is within observational error limits, corresponding to an…

Astrophysics · Physics 2009-10-31 Tom Richtler , Georg Drenkhahn , Matias Gomez , Wilhelm Seggewiss