Related papers: The Dark Energy Bedrock All-Sky Supernova Program:…

Rates and delay times of type Ia supernovae in the Dark Energy Survey

We use a sample of 809 photometrically classified type Ia supernovae (SNe Ia) discovered by the Dark Energy Survey (DES) along with 40415 field galaxies to calculate the rate of SNe Ia per galaxy in the redshift range $0.2 < z <0.6$. We…

Astrophysics of Galaxies · Physics 2021-07-14 P. Wiseman , M. Sullivan , M. Smith , C. Frohmaier , M. Vincenzi , O. Graur , B. Popovic , P. Armstrong , D. Brout , T. M. Davis , L. Galbany , S. R. Hinton , L. Kelsey , R. Kessler , C. Lidman , A. Möller , R. C. Nichol , B. Rose , D. Scolnic , M. Toy , Z. Zontou , J. Asorey , D. Carollo , K. Glazebrook , G. F. Lewis , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , D. Bacon , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , T. Giannantonio , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , E. Krause , K. Kuehn , N. Kuropatkin , M. A. G. Maia , J. L. Marshall , P. Martini , F. Menanteau , R. Miquel , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , T. N. Varga , A. R. Walker

The Hubble Higher-Z Supernova Search: Supernovae to z=1.6 and Constraints on Type Ia Progenitor Models

We present results from the Hubble Higher-z Supernova Search, the first space-based open field survey for supernovae (SNe). In cooperation with the Great Observatories Origins Deep Survey, we have used the Hubble Space Telescope with the…

Astrophysics · Physics 2009-11-10 L. -G. Strolger , A. G. Riess , T. Dahlen , M. Livio , N. Panagia , P. Challis , J. L. Tonry , A. V. Filippenko , R. Chornock , H. Ferguson , A. Koekemoer , B. Mobasher , M. Dickinson , M. Giavalisco , S. Casertano , R. Hook , S. Blondin , B. Leibundgut , M. Nonino , P. Rosati , H. Spinrad , C. C. Steidel , D. Stern , P. M. Garnavich , T. Matheson , N. Grogin , A. Hornschemeier , C. Kretchmer , V. G. Laidler , K. Lee , R. Lucas , D. de Mello , L. A. Moustakas , S. Ravindranath , M. Richardson , E. Taylor

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing program is described in a companion…

Astrophysics · Physics 2012-08-27 SNAP Collaboration

SALT3: An Improved Type Ia Supernova Model for Measuring Cosmic Distances

A spectral-energy distribution (SED) model for Type Ia supernovae (SNe Ia) is a critical tool for measuring precise and accurate distances across a large redshift range and constraining cosmological parameters. We present an improved model…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-05 W. D. Kenworthy , D. O. Jones , M. Dai , R. Kessler , D. Scolnic , D. Brout , M. R. Siebert , J. D. R. Pierel , K. G. Dettman , G. Dimitriadis , R. J. Foley , S. W. Jha , Y. -C. Pan , A. Riess , S. Rodney , C. Rojas-Bravo

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

Lossless Compression of Cosmological Information from Type Ia Supernova Distance Measurements

We perform model-independent distance measurements on four Type Ia supernovae (SNe Ia) compilations (Pantheon, Pantheon+, DES-Dovekie, Union3) and compress each dataset into the values of $\log r_p(z)$ at eleven redshift knots, where…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-20 Zhenyuan Wang , Yun Wang

ZTF SN Ia DR2: An environmental study of Type Ia supernovae using host galaxy image decomposition

The second data release of Type Ia supernovae (SNe Ia) observed by the Zwicky Transient Facility has provided a homogeneous sample of 3628 SNe Ia with photometric and spectral information. This unprecedented sample size enables us to better…

Astrophysics of Galaxies · Physics 2025-02-19 R. Senzel , K. Maguire , U. Burgaz , G. Dimitriadis , M. Rigault , A. Goobar , J. Johansson , M. Smith , M. Deckers , L. Galbany , M. Ginolin , L. Harvey , Y. -L. Kim , T. E. Muller-Bravo , P. Nugent , P. Rosnet , J. Sollerman , J. H. Terwel , R. R. Laher , D. Reiley , B. Rusholme

The Sloan Digital Sky Survey-II Supernova Survey: Technical Summary

The Sloan Digital Sky Survey-II (SDSS-II) has embarked on a multi-year project to identify and measure light curves for intermediate-redshift (0.05 < z < 0.35) Type Ia supernovae (SNe Ia) using repeated five-band (ugriz) imaging over an…

Astrophysics · Physics 2008-11-26 Joshua A. Frieman , B. Bassett , A. Becker , C. Choi , D. Cinabro , F. DeJongh , D. L. Depoy , B. Dilday , M. Doi , P. M. Garnavich , C. J. Hogan , J. Holtzman , M. Im , S. Jha , R. Kessler , K. Konishi , H. Lampeitl , J. Marriner , J. L. Marshall , D. McGinnis , G. Miknaitis , R. C. Nichol , J. L. Prieto , A. G. Riess , M. W. Richmond , R. Romani , M. Sako , D. P. Schneider , M. Smith , N. Takanashi , K. Tokita , K. van der Heyden , N. Yasuda , C. Zheng , J. Adelman-McCarthy , J. Annis , R. J. Assef , J. Barentine , R. Bender , R. D. Blandford , W. N. Boroski , M. Bremer , H. Brewington , C. A. Collins , A. Crotts , J. Dembicky , J. Eastman , A. Edge , E. Edmondson , E. Elson , M. E. Eyler , A. V. Filippenko , R. J. Foley , S. Frank , A. Goobar , T. Gueth , J. E. Gunn , M. Harvanek , U. Hopp , Y. Ihara , Ž. Ivezić , S. Kahn , J. Kaplan , S. Kent , W. Ketzeback , S. J. Kleinman , W. Kollatschny , R. G. Kron , J. Krzesiński , D. Lamenti , G. Leloudas , H. Lin , D. C. Long , J. Lucey , R. H. Lupton , E. Malanushenko , V. Malanushenko , R. J. McMillan , J. Mendez , C. W. Morgan , T. Morokuma , A. Nitta , L. Ostman , K. Pan , C. M. Rockosi , A. K. Romer , P. Ruiz-Lapuente , G. Saurage , K. Schlesinger , S. A. Snedden , J. Sollerman , C. Stoughton , M. Stritzinger , M. SubbaRao , D. Tucker , P. Vaisanen , L. C. Watson , S. Watters , J. C. Wheeler , B. Yanny , D. York

SNIascore: Deep Learning Classification of Low-Resolution Supernova Spectra

We present SNIascore, a deep-learning based method for spectroscopic classification of thermonuclear supernovae (SNe Ia) based on very low-resolution (R $\sim100$) data. The goal of SNIascore is fully automated classification of SNe Ia with…

Instrumentation and Methods for Astrophysics · Physics 2022-08-04 Christoffer Fremling , Xander J. Hall , Michael W. Coughlin , Aishwarya S. Dahiwale , Dmitry A. Duev , Matthew J. Graham , Mansi M. Kasliwal , Erik C. Kool , Ashish A. Mahabal , Adam A. Miller , James D. Neill , Daniel A. Perley , Mickael Rigault , Philippe Rosnet , Ben Rusholme , Yashvi Sharma , Kyung Min Shin , David L. Shupe , Jesper Sollerman , Richard S. Walters , S. R. Kulkarni

Spectroscopic detection of Type Ia Supernovae in the Sloan Digital Sky Survey

We present the results of a novel new search of the first data-release from the Sloan Digital Sky Survey (SDSS-DR1) for the spectra of supernovae. The use of large spectroscopic galaxy surveys offers the prospect of obtaining improved…

Astrophysics · Physics 2009-11-10 Darren S. Madgwick , Paul Hewett , Daniel Mortlock , Lifan Wang

The supernova cosmology cookbook: Bayesian numerical recipes

Theoretical and observational cosmology have enjoyed a number of significant successes over the last two decades. Cosmic microwave background measurements from the Wilkinson Microwave Anisotropy Probe and Planck, together with large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-13 N. V. Karpenka

Gemini Spectroscopy of Supernovae from SNLS: Improving High Redshift SN Selection and Classification

We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova Legacy Survey (SNLS). The SNLS is an…

Astrophysics · Physics 2009-11-13 D. A. Howell , M. Sullivan , K. Perrett , T. J. Bronder , I. M. Hook , P. Astier , E. Aubourg , D. Balam , S. Basa , R. G. Carlberg , S. Fabbro , D. Fouchez , J. Guy , H. Lafoux , J. D. Neill , R. Pain , N. Palanque-Delabrouille , C. J. Pritchet , N. Regnault , J. Rich , R. Taillet , R. Knop , R. G. McMahon , S. Perlmutter , N. A. Walton

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 Carnegie Supernova Project: Absolute Calibration and the Hubble Constant

We present an analysis of the final data release of the Carnegie Supernova Project I, focusing on the absolute calibration of the luminosity-decline-rate relation for Type Ia supernovae (SNeIa) using new intrinsic color relations with…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-19 Christopher. R. Burns , Emilie Parent , M. M. Phillips , Maximillian Stritzinger , Kevin Krisciunas , Nicholas B. Suntzeff , Eric Y. Hsiao , Carlos Contreras , Jorge Anais , Luis Boldt , Luis Busta , Abdo Campillay , Sergio Castellon , Gaston Folatelli , Wendy L. Freedman , Consuelo Gonzalez , Mario Hamuy , Peter Heoflich , Wojtek Krzeminski , Barry F. Madore , Nidia Morrell , S. E. Persson , Miguel Roth , Francisco Salgado , Jacqueline Seron , Simon Torres

The Dark Energy Survey Supernova Program: Investigating Beyond-$\Lambda$CDM

We report constraints on a variety of non-standard cosmological models using the full 5-year photometrically-classified type Ia supernova sample from the Dark Energy Survey (DES-SN5YR). Both Akaike Information Criterion (AIC) and…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-16 R. Camilleri , T. M. Davis , M. Vincenzi , P. Shah , J. Frieman , R. Kessler , P. Armstrong , D. Brout , A. Carr , R. Chen , L. Galbany , K. Glazebrook , S. R. Hinton , J. Lee , C. Lidman , A. Möller , B. Popovic , H. Qu , M. Sako , D. Scolnic , M. Smith , M. Sullivan , B. O. Sánchez , G. Taylor , M. Toy , P. Wiseman , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , J. Annis , S. Avila , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , J. Carretero , F. J. Castander , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , C. Doux , S. Everett , I. Ferrero , B. Flaugher , P. Fosalba , J. García-Bellido , M. Gatti , E. Gaztanaga , G. Giannini , D. Gruen , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , O. Lahav , S. Lee , J. L. Marshall , J. Mena-Fernández , R. Miquel , J. Muir , J. Myles , R. L. C. Ogando , A. Pieres , A. A. Plazas Malagón , A. Porredon , M. Rodriguez-Monroy , E. Sanchez , D. Sanchez Cid , M. Schubnell , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , A. R. Walker , N. Weaverdyck

First-year Sloan Digital Sky Survey-II (SDSS-II) Supernova Results: Hubble Diagram and Cosmological Parameters

We present measurements of the Hubble diagram for 103 Type Ia supernovae (SNe) with redshifts 0.04 < z < 0.42, discovered during the first season (Fall 2005) of the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey. These data fill in…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Richard Kessler , Andrew Becker , David Cinabro , Jake Vanderplas , Joshua A. Frieman , John Marriner , Tamara M Davis , Benjamin Dilday , Jon Holtzman , Saurabh Jha , Hubert Lampeitl , Masao Sako , Mathew Smith , Chen Zheng , Robert C. Nichol , Bruce Bassett , Ralf Bender , Darren L. Depoy , Mamoru Doi , Ed Elson , Alex V. Filippenko , Ryan J. Foley , Peter M. Garnavich , Ulrich Hopp , Yutaka Ihara , William Ketzeback , W. Kollatschny , Kohki Konishi , Jennifer L. Marshall , Russet J. McMillan , Gajus Miknaitis , Tomoki Morokuma , Edvard M"ortsell , Kaike Pan , Jose Luis Prieto , Michael W. Richmond , Adam G. Riess , Roger Romani , Donald P. Schneider , Jesper Sollerman , Naohiro Takanashi , Kouichi Tokita , Kurt van der Heyden , J. C. Wheeler , Naoki Yasuda , Donald York

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

Supernovae in the Subaru Deep Field: An Initial Sample, and Type Ia Rate, out to Redshift 1.6

Large samples of high-redshift supernovae (SNe) are potentially powerful probes of cosmic star formation, metal enrichment, and SN physics. We present initial results from a new deep SN survey, based on re-imaging in the R, i', z' bands, of…

Astrophysics · Physics 2009-11-13 Dovi Poznanski , Dan Maoz , Naoki Yasuda , Ryan J. Foley , Mamoru Doi , Alexei V. Filippenko , Masataka Fukugita , Avishay Gal-Yam , Buell T. Jannuzi , Tomoki Morokuma , Takeshi Oda , Heidi Schweiker , Keren Sharon , Jeffrey M. Silverman , Tomonori Totani

Discovery of Two Distant Type Ia Supernovae in the Hubble Deep Field North with the Advanced Camera for Surveys

We present observations of the first two supernovae discovered with the recently installed Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. The supernovae were found in Wide Field Camera images of the Hubble Deep Field North…

Astrophysics · Physics 2009-11-07 John P. Blakeslee , Zlatan I. Tsvetanov , Adam G. Riess , Holland C. Ford , Garth D. Illingworth , Daniel Magee , John L. Tonry , N. Benitez , M. Clampin , G. F. Hartig , G. R. Meurer , M. Sirianni , D. R. Ardila , F. Bartko , R. Bouwens , T. Broadhurst , N. Cross , P. D. Feldman , M. Franx , D. A. Golimowski , C. Gronwall , R. Kimble , J. Krist , A. R. Martel , F. Menanteau , G. Miley , M. Postman , P. Rosati , W. Sparks , L. -G. Strolger , H. D. Tran , R. L. White , W. Zheng

NTT and NOT spectroscopy of SDSS-II supernovae

Context. The SDSS-II Supernova Survey, conducted between 2005 and 2007, was designed to detect a large number of Type Ia supernovae (SNe Ia) around z~0.2, the redshift "gap" between low-z and high-z SN searches. The survey has provided…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 L. Ostman , J. Nordin , A. Goobar , R. Amanullah , M. Smith , J. Sollerman , V. Stanishev , M. D. Stritzinger , B. A. Bassett , T. M. Davis , E. Edmondson , J. A. Frieman , P. M. Garnavich , H. Lampeitl , G. Leloudas , J. Marriner , R. C. Nichol , K. Romer , M. Sako , D. P. Schneider , C. Zheng