Related papers: SNLS Spectroscopy: Testing for Evolution in Type I…

Real-time Analysis and Selection Biases in the Supernova Legacy Survey

The Supernova Legacy Survey (SNLS) has produced a high-quality, homogeneous sample of Type Ia supernovae (SNe Ia) out to redshifts greater than z=1. In its first four years of full operation (to June 2007), the SNLS discovered more than…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 K. Perrett , D. Balam , M. Sullivan , C. Pritchet , A. Conley , R. Carlberg , P. Astier , C. Balland , S. Basa , D. Fouchez , J. Guy , D. Hardin , I. M. Hook , D. A. Howell , R. Pain , N. Regnault

The Local Hosts of Type Ia Supernovae

We use multi-wavelength, matched aperture, integrated photometry from GALEX, SDSS and the RC3 to estimate the physical properties of 166 nearby galaxies hosting 168 well-observed Type Ia supernovae (SNe Ia). Our data corroborate well-known…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 James D. Neill , Mark Sullivan , D. Andy Howell , Alex Conley , Mark Seibert , D. Christopher Martin , Tom A. Barlow , Karl Foster , Peter G. Friedman , Patrick Morrissey , Susan G. Neff , David Schiminovich , Ted K. Wyder , Luciana Bianchi , José Donas , Timothy M. Heckman , Young-Wook Lee , Barry F. Madore , Bruno Milliard , R. Michael Rich , Alex S. Szalay

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

The Dark Energy Survey 5-year photometrically identified Type Ia Supernovae

As part of the cosmology analysis using Type Ia Supernovae (SN Ia) in the Dark Energy Survey (DES), we present photometrically identified SN Ia samples using multi-band light-curves and host galaxy redshifts. For this analysis, we use the…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-21 A. Möller , M. Smith , M. Sako , M. Sullivan , M. Vincenzi , P. Wiseman , P. Armstrong , J. Asorey , D. Brout , D. Carollo , T. M. Davis , C. Frohmaier , L. Galbany , K. Glazebrook , L. Kelsey , R. Kessler , G. F. Lewis , C. Lidman , U. Malik , R. C. Nichol , D. Scolnic , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. Conselice , M. Costanzi , M. Crocce , L. N. da Costa , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , D. A. Finley , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. March , J. L. Marshall , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga

Spectroscopic Determination of the Low Redshift Type Ia Supernova Rate from the Sloan Digital Sky Survey

Supernova rates are directly coupled to high mass stellar birth and evolution. As such, they are one of the few direct measures of the history of cosmic stellar evolution. In this paper we describe an probabilistic technique for identifying…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 K. Simon Krughoff , Andrew Connolly , Joshua Frieman , Mark SubbaRao , Gary Kilper , Donald Schneider

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

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

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

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant supernovae, the latter being observed by…

Astrophysics · Physics 2011-07-18 J. Guy , P. Astier , S. Baumont , D. Hardin , R. Pain , N. Regnault , S. Basa , R. G. Carlberg , A. Conley , S. Fabbro , D. Fouchez , I. M. Hook , D. A. Howell , K. Perrett , C. J. Pritchet , J. Rich , M. Sullivan , P. Antilogus , E. Aubourg , G. Bazin , J. Bronder , M. Filiol , N. Palanque-Delabrouille , P. Ripoche , V. Ruhlmann-Kleider

The HST See Change Program: I. Survey Design, Pipeline, and Supernova Discoveries

The See Change survey was designed to make $z>1$ cosmological measurements by efficiently discovering high-redshift Type Ia supernovae (SNe Ia) and improving cluster mass measurements through weak lensing. This survey observed twelve galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-19 Brian Hayden , David Rubin , Kyle Boone , Greg Aldering , Jakob Nordin , Mark Brodwin , Susana Deustua , Sam Dixon , Parker Fagrelius , Andy Fruchter , Peter Eisenhardt , Anthony Gonzalez , Ravi Gupta , Isobel Hook , Chris Lidman , Kyle Luther , Adam Muzzin , Zachary Raha , Pilar Ruiz-Lapuente , Clare Saunders , Caroline Sofiatti , Adam Stanford , Nao Suzuki , Tracy Webb , Steven C. Williams , Gillian Wilson , Mike Yen , Rahman Amanullah , Kyle Barbary , Hans Bohringer , Greta Chappell , Carlos Cunha , Miles Currie , Rene Fassbender , Michael Gladders , Ariel Goobar , Hendrik Hildenrandt , Henk Hoekstra , Xiaosheng Huang , Dragan Huterer , M. James Jee , Alex Kim , Marek Kowalski , Eric Linder , Joshua E. Meyers , Reynald Pain , Saul Perlmutter , Johan Richard , Piero Rosati , Eduardo Rozo , Eli Rykoff , Joana Santos , Anthony Spadafora , Daniel Stern , Risa Wechsler , The Supernova Cosmology Project

Photometric properties of intermediate redshift Type Ia Supernovae observed by SDSS-II Supernova Survey

We have analyzed multi-band light curves of 328 intermediate redshift (0.05 <= z < 0.24) type Ia supernovae (SNe Ia) observed by the Sloan Digital Sky Survey-II Supernova Survey (SDSS-II SN Survey). The multi-band light curves were…

Astrophysics of Galaxies · Physics 2016-12-21 Naohiro Takanashi , Mamoru Doi , Naoki Yasuda , Hanindyo Kuncarayakti , Kohki Konishi , Donald P. Schneider , David Cinabro , John Marriner

Evidence of Environmental Dependencies of Type Ia Supernovae from the Nearby Supernova Factory indicated by Local H{\alpha}

(Abridged) We study the host galaxy regions in close proximity to Type Ia supernovae (SNe Ia) to analyze relations between the properties of SN Ia events and environments most similar to where their progenitors formed. We focus on local…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-09 M. Rigault , Y. Copin , G. Aldering , P. Antilogus , C. Aragon , S. Bailey , C. Baltay , S. Bongard , C. Buton , A. Canto , F. Cellier-Holzem , M. Childress , N. Chotard , H. K. Fakhouri , U. Feindt , M. Fleury , E. Gangler , P. Greskovic , J. Guy , A. G. Kim , M. Kowalski , S. Lombardo , J. Nordin , P. Nugent , R. Pain , E. Pécontal , R. Pereira , S. Perlmutter , D. Rabinowitz , K. Runge , C. Saunders , R. Scalzo , G. Smadja , C. Tao , R. C. Thomas , B. A. Weaver

The Relation Between Ejecta Velocity, Intrinsic Color, and Host-Galaxy Mass for High-Redshift Type Ia Supernovae

Recently, using a large low-redshift sample of Type Ia supernovae (SNe Ia), we discovered a relation between SN Ia ejecta velocity and intrinsic color that improves the distance precision of SNe Ia and reduces potential systematic biases…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Ryan J. Foley

Exploring the Systematic Uncertainties of Type Ia Supernovae as Cosmological Probes

We explore the systematic uncertainties of using Type Ia supernovae (SNe Ia) as cosmological probes, using the Supernova Legacy Survey Three Year data (SNLS3). We focus on studying the possible evolution of the stretch-luminosity parameter…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-07 Shuang Wang , Yun Wang

Measuring the growth rate of structure with Type IA Supernovae from LSST

We investigate measuring the peculiar motions of galaxies up to $z=0.5$ using Type Ia supernovae (SNe Ia) from LSST, and predict the subsequent constraints on the growth rate of structure. We consider two cases. Our first is based on…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-11 Cullan Howlett , Aaron S. G. Robotham , Claudia D. P. Lagos , Alex G. Kim

SDSS-II Supernova Survey: An Analysis of the Largest Sample of Type Ia Supernovae and Correlations with Host-Galaxy Spectral Properties

Using the largest single-survey sample of Type Ia supernovae (SNe Ia) to date, we study the relationship between properties of SNe Ia and those of their host galaxies, focusing primarily on correlations with Hubble residuals (HR). Our…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Rachel C. Wolf , Chris B. D'Andrea , Ravi R. Gupta , Masao Sako , John A. Fischer , Rick Kessler , Saurabh W. Jha , Marisa C. March , Daniel M. Scolnic , Johanna-Laina Fischer , Heather Campbell , Robert C. Nichol , Matthew D. Olmstead , Michael Richmond , Donald P. Schneider , Mathew Smith

Type Ia Supernova Progenitor Properties and Their Host Galaxies

We present an eigenfunction method to analyze 161 visual light curves (LCs) of Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project to characterize their diversity and host-galaxy correlations. The eigenfunctions are based…

High Energy Astrophysical Phenomena · Physics 2024-07-30 Sudeshna Chakraborty , Benjamin Sadler , Peter Hoeflich , Eric Hsiao , M. M. Phillips , C. R. Burns , T. Diamond , I. Dominguez , L. Galbany , S. A. Uddin , C. Ashall , K. Krisciunas , S. Kumar , T. B. Mera , N. Morrell , E. Baron , M. C. Contreras , M. D. Stritzinger , N. N. Suntzeff

The rate of Type-Ia supernovae in galaxy clusters and the delay-time distribution out to redshift 1.75

The observed delay-time distribution (DTD) of Type-Ia supernovae (SNe Ia) is a valuable probe of SN Ia progenitors and physics, and of the role of SNe Ia in cosmic metal enrichment. The SN Ia rate in galaxy clusters as a function of cluster…

Astrophysics of Galaxies · Physics 2018-07-11 Matan Friedmann , Dan Maoz

Two Type Ia Supernovae at Redshift ~2 : Improved Classification and Redshift Determination with Medium-band Infrared Imaging

We present two supernovae (SNe) discovered with the Hubble Space Telescope (HST) in the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS), an HST multi-cycle treasury program. We classify both objects as Type Ia SNe…

Cosmology and Nongalactic Astrophysics · Physics 2016-02-17 Steven A. Rodney , Adam G. Riess , Daniel M. Scolnic , David O. Jones , Shoubaneh Hemmati , Alberto Molino , Curtis McCully , Bahram Mobasher , Louis-Gregory Strolger , Or Graur , Brian Hayden , Stefano Casertano

Subaru Spectroscopy of SDSS-II Supernovae

The Sloan Digital Sky Survey II (SDSS-II) Supernova Survey discovered Type Ia supernovae (SNe Ia) in an almost unexplored intermediate redshift range of $0.05 < z < 0.4$ and provided densely sampled multi-color light curves for SN…

Cosmology and Nongalactic Astrophysics · Physics 2011-01-11 Kohki Konishi , Naoki Yasuda , Kouichi Tokita , Mamoru Doi , Yutaka Ihara , Tomoki Morokuma , Naohiro Takanashi , Jakob Nordin , John Marriner , Linda Östman , Michael Richmond , Masao Sako , Donald P. Schneider , J. Craig Wheeler