Related papers: The Carnegie Supernova Project: The Low-Redshift S…

Observations of Type Ia Supernovae, and Challenges for Cosmology

Observations of Type Ia supernovae (SNe Ia) reveal correlations between their luminosities and light-curve shapes, and between their spectral sequence and photometric sequence. Assuming SNe Ia do not evolve at different redshifts, the…

Astrophysics · Physics 2007-05-23 Weidong Li , Alexei V. Filippenko

CfA4: Light Curves for 94 Type Ia Supernovae

We present multi-band optical photometry of 94 spectroscopically-confirmed Type Ia supernovae (SN Ia) in the redshift range 0.0055 to 0.073, obtained between 2006 and 2011. There are a total of 5522 light curve points. We show that our…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Malcolm Hicken , Peter Challis , Robert P. Kirshner , Armin Rest , Claire E. Cramer , W. Michael Wood-Vasey , Gaspar Bakos , Perry Berlind , Warren R. Brown , Nelson Caldwell , Mike Calkins , Thayne Currie , Kathy de Kleer , Gil Esquerdo , Mark Everett , Emilio Falco , Jose Fernandez , Andrew S. Friedman , Ted Groner , Joel Hartman , Matthew J. Holman , Robert Hutchins , Sonia Keys , David Kipping , Dave Latham , George H. Marion , Gautham Narayan , Michael Pahre , Andras Pal , Wayne Peters , Gopakumar Perumpilly , Ben Ripman , Brigitta Sipocz , Andrew Szentgyorgyi , Sumin Tang , Manuel A. P. Torres , Amali Vaz , Scott Wolk , Andreas Zezas

Supernova cosmology: legacy and future

The discovery of dark energy by the first generation of high-redshift supernova surveys has generated enormous interest beyond cosmology and has dramatic implications for fundamental physics. Distance measurements using supernova explosions…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-18 Ariel Goobar , Bruno Leibundgut

Forecast of Cosmological Constraints with Type Ia Supernovae from the Chinese Space Station Telescope

The 2-m aperture Chinese Space Station Telescope (CSST), which observes at wavelengths ranging from 255 to 1000 nm, is expected to start science operations in 2024. An ultra-deep field observation program covering approximately 10 square…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-09 Shi-Yu Li , Yun-Long Li , Tianmeng Zhang , Jozsef Vinko , Eniko Regos , Xiaofeng Wang , Gaobo Xi , Hu Zhan

Type Ia Supernovae

Type Ia Supernovae are in many aspects still enigmatic objects. Recent years have witnessed a bonanza of supernova observations. The increased samples from dedicated searches have allowed the statistical investigation of Type Ia Supernovae…

Astrophysics · Physics 2009-10-31 Bruno Leibundgut

Semi-supervised Learning for Photometric Supernova Classification

We present a semi-supervised method for photometric supernova typing. Our approach is to first use the nonlinear dimension reduction technique diffusion map to detect structure in a database of supernova light curves and subsequently employ…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Joseph W. Richards , Darren Homrighausen , Peter E. Freeman , Chad M. Schafer , Dovi Poznanski

Type Ia supernova science 2010-2020

In the next decade Type Ia supernovae (SNe Ia) will be used to test theories predicting changes in the Dark Energy equation of state with time. Ultimately this requires a dedicated space mission like JDEM. SNe Ia are mature cosmological…

Solar and Stellar Astrophysics · Physics 2009-03-06 D. A. Howell , A. Conley , M. Della Valle , P. E. Nugent , S. Perlmutter , G. H. Marion , K. Krisciunas , C. Badenes , P. Mazzali , G. Aldering , P. Antilogus , E. Baron , A. Becker , C. Baltay , S. Benetti , S. Blondin , D. Branch , E. F. Brown , S. Deustua , A. Ealet , R. S. Ellis , D. Fouchez , W. Freedman , A. Gal-Yam , S. Jha , D. Kasen , R. Kessler , A. G. Kim , D. C. Leonard , W. Li , M. Livio , D. Maoz , F. Mannucci , T. Matheson , J. D. Neill , K. Nomoto , N. Panagia , K. Perrett , M. Phillips , D. Poznanski , R. Quimby , A. Rest , A. Riess , M. Sako , A. M. Soderberg , L. Strolger , R. Thomas , M. Turatto , S. van Dyk , W. M. Wood-Vasey

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

Supernova Classification using the Recurrent Neural Network in the CSST Ultra-Deep Field Survey

We study supernova (SN) classification using the machine learning method of the Recurrent Neural Network (RNN) in the Chinese Space Station Survey Telescope Ultra-Deep Field (CSST-UDF) photometric survey, and explore the improvement of the…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-05 Minglin Wang , Yan Gong , Dejia Zhou , Xuelei Chen

Cosmological Prediction of the CSST Ultra Deep Field Type Ia Supernova Photometric Survey

Type Ia supernova (SN Ia) as a standard candle is an ideal tool to measure cosmic distance and expansion history of the Universe. Here we investigate the SN Ia photometric measurement in the China Space Station Telescope Ultra Deep Field…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-24 Minglin Wang , Yan Gong , Furen Deng , Haitao Miao , Xuelei Chen , Hu Zhan

Initial Hubble Diagram Results from the Nearby Supernova Factory

The use of Type Ia supernovae as distance indicators led to the discovery of the accelerating expansion of the universe a decade ago. Now that large second generation surveys have significantly increased the size and quality of the…

Astrophysics · Physics 2008-10-21 S. Bailey , G. Aldering , P. Antilogus , C. Aragon , C. Baltay , S. Bongard , C. Buton , M. Childress , Y. Copin , E. Gangler , S. Loken , P. Nugent , R. Pain , E. Pecontal , R. Pereira , S. Perlmutter , D. Rabinowitz , G. Rigaudier , P. Ripoche , K. Runge , R. Scalzo , G. Smadja , C. Tao , R. C. Thomas , C. Wu

Quantitative Spectroscopy of Supernovae for Dark Energy Studies

Detailed quantitative spectroscopy of Type Ia supernovae (SNe~Ia) provides crucial information needed to minimize systematic effects in both ongoing SNe Ia observational programs such as the Nearby Supernova Factory, ESSENCE, and the…

Astrophysics · Physics 2007-05-23 E. Baron , David Branch , David Jeffery , Peter Nugent , Rollin Thomas , Sebastien Bongard , Peter H. Hauschildt , Daniel Kasen , Dimitri Mihalas

First-Year Spectroscopy for the SDSS-II Supernova Survey

This paper presents spectroscopy of supernovae discovered in the first season of the Sloan Digital Sky Survey-II Supernova Survey. This program searches for and measures multi-band light curves of supernovae in the redshift range z = 0.05 -…

Astrophysics · Physics 2008-11-26 Chen Zheng , Roger W. Romani , Masao Sako , John Marriner , Bruce Bassett , Andrew Becker , Changsu Choi , David Cinabro , Fritz DeJongh , Darren L. Depoy , Ben Dilday , Mamoru Doi , Joshua A. Frieman , Peter M. Garnavich , Craig J. Hogan , Jon Holtzman , Myungshin Im , Saurabh Jha , Richard Kessler , Kohki Konishi , Hubert Lampeitl , Jennifer L. Marshall , David McGinnis , Gajus Miknaitis , Robert C. Nichol , Jose Luis Prieto , Adam G. Riess , Michael W. Richmond , Donald P. Schneider , Mathew Smith , Naohiro Takanashi , Kouichi Tokita , Kurt van der Heyden , Naoki Yasuda , Roberto J. Assef , John Barentine , Ralf Bender , Roger D. Blandford , Malcolm Bremer , Howard Brewington , Chris A. Collins , Arlin Crotts , Jack Dembicky , Jason Eastman , Alastair Edge , Ed Elson , Michael E. Eyler , Alexei V. Filippenko , Ryan J. Foley , Stephan Frank , Ariel Goobar , Michael Harvanek , Ulrich Hopp , Yutaka Ihara , Steven Kahn , William Ketzeback , Scott J. Kleinman , Wolfram Kollatschny , Jurek Krzesiński , Giorgos Leloudas , Daniel C. Long , John Lucey , Elena Malanushenko , Viktor Malanushenko , Russet J. McMillan , Christopher W. Morgan , Tomoki Morokuma , Atsuko Nitta , Linda Ostman , Kaike Pan , A. Kathy Romer , Gabrelle Saurage , Katie Schlesinger , Stephanie A. Snedden , Jesper Sollerman , Maximilian Stritzinger , Linda C. Watson , Shannon Watters , J. Craig Wheeler , Donald York

Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II

We present the second and final release of optical spectroscopy of Type Ia Supernovae (SNe Ia) obtained during the first and second phases of the Carnegie Supernova Project (CSP-I and CSP-II). The newly released data consist of 148 spectra…

High Energy Astrophysical Phenomena · Physics 2024-05-08 N. Morrell , M. M. Phillips , G. Folatelli , M. D. Stritzinger , M. Hamuy , N. B. Suntzeff , E. Y. Hsiao , F. Taddia , C. R. Burns , P. Hoeflich , C. Ashall , C. Contreras , L. Galbany , J. Lu , A. L. Piro , J. Anais , E. Baron , A. Burrow , L. Busta , A. Campillay , S. Castellón , C. Corco , T. Diamond , W. L. Freedman , C. González , K. Krisciunas , S. Kumar , S. E. Persson , J. Serón , M. Shahbandeh , S. Torres , S. A. Uddin , J. P. Anderson , C. Baltay , C. Gall , A. Goobar , E. Hadjiyska , S. Holmbo , M. Kasliwal , C. Lidman , G. H. Marion , P. Mazzali , P. Nugent , S. Perlmutter , G. Pignata , D. Rabinowitz , M. Roth , S. D. Ryder , B. J. Shappee , J. Vinkó , J. C. Wheeler , T. de Jaeger , P. Lira , M. T. Ruiz , J. A. Rich , J. L. Prieto , F. Di Mille , D. Osip , G. Blanc , P. Palunas

First Cosmology Results using Type Ia Supernova from the Dark Energy Survey: Simulations to Correct Supernova Distance Biases

We describe catalog-level simulations of Type Ia supernova (SN~Ia) light curves in the Dark Energy Survey Supernova Program (DES-SN), and in low-redshift samples from the Center for Astrophysics (CfA) and the Carnegie Supernova Project…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 R. Kessler , D. Brout , C. B. D'Andrea , T. M. Davis , S. R. Hinton , A. G. Kim , J. Lasker , C. Lidman , E. Macaulay , A. Möller , M. Sako , D. Scolnic , M. Smith , M. Sullivan , B. Zhang , P. Andersen , J. Asorey , A. Avelino , J. Calcino , D. Carollo , P. Challis , M. Childress , A. Clocchiatti , S. Crawford , A. V. Filippenko , R. J. Foley , K. Glazebrook , J. K. Hoormann , E. Kasai , R. P. Kirshner , G. F. Lewis , K. S. Mandel , M. March , E. Morganson , D. Muthukrishna , P. Nugent , Y. -C. Pan , N. E. Sommer , E. Swann , R. C. Thomas , B. E. Tucker , S. A. Uddin , T. M. C. Abbott , S. Allam , J. Annis , S. Avila , M. Banerji , K. Bechtol , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Crocce , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , M. W. G. Johnson , M. D. Johnson , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , B. Nord , A. A. Plazas , A. Roodman , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , F. Sobreira , E. Suchyta , G. Tarle , D. Thomas , A. R. Walker , Y. Zhang

The Dark Energy Survey Supernova Program: Slow supernovae show cosmological time dilation out to $z \sim 1$

We present a precise measurement of cosmological time dilation using the light curves of 1504 type Ia supernovae from the Dark Energy Survey spanning a redshift range $0.1\lesssim z\lesssim 1.2$. We find that the width of supernova light…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-21 R. M. T. White , T. M. Davis , G. F. Lewis , D. Brout , L. Galbany , K. Glazebrook , S. R. Hinton , J. Lee , C. Lidman , A. Möller , M. Sako , D. Scolnic , M. Smith , M. Sullivan , B. O. Sánchez , P. Shah , M. Vincenzi , P. Wiseman , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Asorey , D. Bacon , S. Bocquet , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , D. Carollo , J. Carretero , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , S. Everett , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , E. Gaztanaga , G. Giannini , R. A. Gruendl , D. L. Hollowood , K. Honscheid , D. J. James , R. Kessler , K. Kuehn , O. Lahav , S. Lee , M. Lima , J. L. Marshall , J. Mena-Fernández , R. Miquel , J. Myles , R. C. Nichol , R. L. C. Ogando , A. Palmese , A. Pieres , A. A. Plazas Malagón , A. K. Romer , E. Sanchez , D. Sanchez Cid , M. Schubnell , E. Suchyta , G. Tarle , B. E. Tucker , A. R. Walker , N. Weaverdyck

SNIa photometric studies in SNLS

The discovery of accelerated expansion using supernova surveys has been one of the most surprising discoveries in cosmology in the past ten years. Present and future surveys, among which SNLS, JDEM or LSST, are based on samples of a few…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 N. Palanque-Delabrouille

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

Photometric type Ia supernova surveys in narrow band filters

We study the characteristics of a narrow band type Ia supernova survey through simulations based on the upcoming Javalambre Physics of the accelerating universe Astrophysical Survey (J-PAS). This unique survey has the capabilities of…

Cosmology and Nongalactic Astrophysics · Physics 2014-10-24 Henrique S. Xavier , L. Raul Abramo , Masao Sako , Narciso Benítez , Maurício O. Calvão , Alessandro Ederoclite , Antonio Marín-Franch , Alberto Molino , Ribamar R. R. Reis , Beatriz B. Siffert , Laerte Sodré

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