Related papers: The Dark Energy Survey Supernova Program: Modellin…

Modeling the probability distribution for cosmological analysis with photometrically classified samples

In this work we investigated methods for the accurate and efficient incorporation of photometrically classified supernovae into cosmological analyses, and to assess the impact of the additional uncertainty associated with this procedure on…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-19 Marcos P. Freaza , Ribamar R. R. Reis

The Dark Energy Survey : Detection of weak lensing magnification of supernovae and constraints on dark matter haloes

The residuals of the distance moduli of Type Ia supernovae (SN Ia) relative to a Hubble diagram fit contain information about the inhomogeneity of the universe, due to weak lensing magnification by foreground matter. By correlating the…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-10 P. Shah , T. M. Davis , D. Bacon , J. Frieman , L. Galbany , R. Kessler , O. Lahav , J. Lee , C. Lidman , R. C. Nichol , M. Sako , D. Scolnic , M. Sullivan , M. Vincenzi , P. Wiseman , S. Allam , T. M. C. Abbott , M. Aguena , O. Alves , F. Andrade-Oliveira , J. Annis , K. Bechtol , E. Bertin , S. Bocquet , D. Brooks , D. Brout , A. Carnero Rosell , J. Carretero , F. J. Castander , L. N. da Costa , M. E. S. Pereira , H. T. Diehl , P. Doel , C. Doux , S. Everett , I. Ferrero , B. Flaugher , D. Friedel , M. Gatti , D. Gruen , R. A. Gruendl , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , K. Kuehn , S. Lee , J. L. Marshall , J. Mena-Fernández , R. Miquel , J. Myles , R. L. C. Ogando , A. Palmese , A. Pieres , A. Roodman , E. Sanchez , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , N. Weaverdyck

The Core-collapse rate from the Supernova Legacy Survey

We use three years of data from the Supernova Legacy Survey (SNLS) to study the general properties of core-collapse and type Ia supernovae. This is the first such study using the "rolling search" technique which guarantees well-sampled SNLS…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 G. Bazin , N. Palanque-Delabrouille , J. Rich , V. Ruhlmann-Kleider , E. Aubourg , L. Le Guillou , P. Astier , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. Hardin , I. M. Hook , D. A. Howell , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , M. Sullivan , P. Antilogus , V. Arsenijevic , S. Baumont , S. Fabbro , J. Le Du , C. Lidman , M. Mouchet , A. Mourão , E. S. Walker

Rapid identification of lensed type Ia supernovae with color-magnitude selection

Strongly lensed type Ia supernovae (SNe Ia) provide a unique cosmological probe to address the Hubble tension problem in cosmology. In addition to the sensitivity of the time delays to the value of the Hubble constant, the transient and…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-27 Prajakta Mane , Anupreeta More , Surhud More

The Hubble Space Telescope Cluster Supernova Survey: V. Improving the Dark Energy Constraints Above z>1 and Building an Early-Type-Hosted Supernova Sample

We present ACS, NICMOS, and Keck AO-assisted photometry of 20 Type Ia supernovae SNe Ia from the HST Cluster Supernova Survey. The SNe Ia were discovered over the redshift interval 0.623 < z < 1.415. Fourteen of these SNe Ia pass our strict…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-21 N. Suzuki , D. Rubin , C. Lidman , G. Aldering , R. Amanullah , K. Barbary , L. F. Barrientos , J. Botyanszki , M. Brodwin , N. Connolly , K. S. Dawson , A. Dey , M. Doi , M. Donahue , S. Deustua , P. Eisenhardt , E. Ellingson , L. Faccioli , V. Fadeyev , H. K. Fakhouri , A. S. Fruchter , D. G. Gilbank , M. D. Gladders , G. Goldhaber , A. H. Gonzalez , A. Goobar , A. Gude , T. Hattori , H. Hoekstra , E. Hsiao , X. Huang , Y. Ihara , M. J. Jee , D. Johnston , N. Kashikawa , B. Koester , K. Konishi , M. Kowalski , E. V. Linder , L. Lubin , J. Melbourne , J. Meyers , T. Morokuma , F. Munshi , C. Mullis , T. Oda , N. Panagia , S. Perlmutter , M. Postman , T. Pritchard , J. Rhodes , P. Ripoche , P. Rosati , D. J. Schlegel , A. Spadafora , S. A. Stanford , V. Stanishev , D. Stern , M. Strovink , N. Takanashi , K. Tokita , M. Wagner , L. Wang , N. Yasuda , H. K. C. Yee

Photo-zSNthesis: Converting Type Ia Supernova Lightcurves to Redshift Estimates via Deep Learning

Upcoming photometric surveys will discover tens of thousands of Type Ia supernovae (SNe Ia), vastly outpacing the capacity of our spectroscopic resources. In order to maximize the science return of these observations in the absence of…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-11 Helen Qu , Masao Sako

Measuring Dark Energy Properties with Photometrically Classified Pan-STARRS Supernovae. II. Cosmological Parameters

We use 1169 Pan-STARRS supernovae (SNe) and 195 low-$z$ ($z < 0.1$) SNe Ia to measure cosmological parameters. Though most Pan-STARRS SNe lack spectroscopic classifications, in a previous paper (I) we demonstrated that photometrically…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-25 D. O. Jones , D. M. Scolnic , A. G. Riess , A. Rest , R. P. Kirshner , E. Berger , R. Kessler , Y. -C. Pan , R. J. Foley , R. Chornock , C. A. Ortega , P. J. Challis , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , M. E. Huber , N. Kaiser , R. -P. Kudritzki , N. Metcalfe , J. Tonry , R. J. Wainscoat , C. Waters , E. E. E. Gall , R. Kotak , M. McCrum , S. J. Smartt , K. W. Smith

Designing an Optimal LSST Deep Drilling Program for Cosmology with Type Ia Supernovae

The Vera C. Rubin Observatory's Legacy Survey of Space and Time is forecast to collect a large sample of Type Ia supernovae (SNe Ia) that could be instrumental in unveiling the nature of Dark Energy. The feat, however, requires measuring…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-12 Philippe Gris , Nicolas Regnault , Humna Awan , Isobel Hook , Saurabh W. Jha , Michelle Lochner , Bruno Sanchez , Dan Scolnic , Mark Sullivan , Peter Yoachim , the LSST Dark Energy Science Collaboration

First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Photometric Pipeline and Light Curve Data Release

We present griz light curves of 251 Type Ia Supernovae (SNe Ia) from the first 3 years of the Dark Energy Survey Supernova Program's (DES-SN) spectroscopically classified sample. The photometric pipeline described in this paper produces the…

Instrumentation and Methods for Astrophysics · Physics 2019-06-04 D. Brout , M. Sako , D. Scolnic , R. Kessler , C. B. D'Andrea , T. M. Davis , S. R. Hinton , A. G. Kim , J. Lasker , E. Macaulay , A. Möller , R. C. Nichol , M. Smith , M. Sullivan , R. C. Wolf , S. Allam , B. A. Bassett , P. Brown , F. J. Castander , M. Childress , R. J. Foley , L. Galbany , K. Herner , E. Kasai , M. March , E. Morganson , P. Nugent , Y. -C. Pan , R. C. Thomas , B. E. Tucker , W. Wester , T. M. C. Abbott , J. Annis , S. Avila , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Crocce , C. E. Cunha , 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. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. A. Goldstein , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , J. L. Marshall , P. Martini , R. Miquel , B. Nord , A. A. Plazas , A. Roodman , E. S. Rykoff , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , A. R. Walker , B. Yanny , Y. Zhang

Core-collapse Supernovae in the Dark Energy Survey: Luminosity Functions and Host Galaxy Demographics

We present the luminosity functions and host galaxy properties of the Dark Energy Survey (DES) core-collapse supernova (CCSN) sample, consisting of 69 Type II and 50 Type Ibc spectroscopically and photometrically-confirmed supernovae over a…

High Energy Astrophysical Phenomena · Physics 2023-03-23 M. Grayling , C. P. Gutiérrez , M. Sullivan , P. Wiseman , M. Vincenzi , L. Galbany , A. Möller , D. Brout , T. M. Davis , C. Frohmaier , O. Graur , L. Kelsey , C. Lidman , B. Popovic , M. Smith , M. Toy , B. E. Tucker , Z. Zontou , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , J. Asorey , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , D. Gruen , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , G. F. Lewis , U. Malik , M. March , F. Menanteau , R. Miquel , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , I. Sevilla-Noarbe , E. Suchyta , G. Tarle , C. To , D. L. Tucker , T. N. Varga

A Model-Independent Photometric Redshift Estimator for Type Ia Supernovae

The use of type Ia supernovae (SNe Ia) as cosmological standard candles is fundamental in modern observational cosmology. In this letter, we derive a simple empirical photometric redshift estimator for SNe Ia using a training set of SNe Ia…

Astrophysics · Physics 2010-11-05 Yun Wang

The Dark Energy Survey Supernova Program: A Reanalysis Of Cosmology Results And Evidence For Evolving Dark Energy With An Updated Type Ia Supernova Calibration

We present improved cosmological constraints from a re-analysis of the Dark Energy Survey (DES) 5-year sample of Type Ia supernovae (DES-SN5YR). This re-analysis includes an improved photometric cross-calibration, recent white dwarf…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-06 B. Popovic , P. Shah , W. D. Kenworthy , R. Kessler , T. M. Davis , A. Goobar , D. Scolnic , M. Vincenzi , P. Wiseman , R. Chen , E. Charleton , M. Acevedo , P. Armstrong , B. M. Boyd , D. Brout , R. Camilleri , J. Frieman , L. Galbany , M. Grayling , L. Kelsey , B. Rose , B. Sánchez , J. Lee , A. Möller , M. Smith , M. Sullivan , N. Shiamtanis , A. Alarcon , S. S. Allam , F. Andrade-Oliveira , S. Avila , D. Bacon , J. Blazek , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , J. Carretero , R. Cawthon , L. N. da Costa , M. E. da Silva Pereira , H. T. Diehl , S. Dodelson , P. Doel , S. Everett , C. Frohmaier , J. García-Bellido , D. Gruen , G. Gutierrez , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , N. Jeffrey , K. Kuehn , O. Lahav , S. Lee , C. Lidman , J. L. Marshall , J. Mena-Fernández , F. Menanteau , R. Miquel , J. Muir , J. Myles , R. L. C. Ogando , M. Paterno , A. A. Plazas Malagón , A. Porredon , J. Prat , R. C. Nichol , A. K. Romer , A. Roodman , E. Sanchez , D. Sanchez Cid , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , C. To , D. L. Tucker , A. R. Walker , N. Weaverdyck

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

First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: The Effect of Host Galaxy Properties on Supernova Luminosity

We present improved photometric measurements for the host galaxies of 206 spectroscopically confirmed type Ia supernovae discovered by the Dark Energy Survey Supernova Program (DES-SN) and used in the first DES-SN cosmological analysis.…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-22 M. Smith , M. Sullivan , P. Wiseman , R. Kessler , D. Scolnic , D. Brout , C. B. D'Andrea , T. M. Davis , R. J. Foley , C. Frohmaier , L. Galbany , R. R. Gupta , C. P. Gutiérrez , S. R. Hinton , L. Kelsey , C. Lidman , E. Macaulay , A. Möller , R. C. Nichol , P. Nugent , A. Palmese , M. Pursiainen , M. Sako , R. C. Thomas , B. E. Tucker , D. Carollo , G. F. Lewis , N. E. Sommer , T. M. C. Abbott , M. Aguena , S. Allam , S. Avila , E. Bertin , S. Bhargava , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , M. Costanzi , L. N. da Costa , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , S. Everett , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , K. Glazebrook , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , E. Krause , K. Kuehn , N. Kuropatkin , M. Lima , N. MacCrann , M. A. G. Maia , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , F. Paz-Chinchón , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , T. N. Varga , A. R. Walker , : , The Dark Energy Survey Collaboration

Accounting for Selection Effects in Supernova Cosmology with Simulation-Based Inference and Hierarchical Bayesian Modelling

Type Ia supernovae (SNe Ia) are thermonuclear exploding stars that can be used to put constraints on the nature of our universe. One challenge with population analyses of SNe Ia is Malmquist bias, where we preferentially observe the…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-24 Benjamin M. Boyd , Matthew Grayling , Stephen Thorp , Kaisey S. Mandel

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

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

Selection Effects, Biases, and Constraints in the Calan/Tololo Supernova Survey

We use Monte Carlo simulations of the Calan/Tololo photographic supernova survey to show that a simple model of the survey's selection effects accounts for the observed distributions of recession velocity, apparent magnitude, angular…

Astrophysics · Physics 2009-10-31 Mario Hamuy , Philip A. Pinto

Spectrophotometric templates for core collapse supernovae and their application in simulations of time-domain surveys

The design and analysis of time-domain sky surveys requires the ability to simulate accurately realistic populations of core collapse supernova (SN) events. We present a set of spectral time-series templates designed for this purpose, for…

High Energy Astrophysical Phenomena · Physics 2019-10-02 M. Vincenzi , M. Sullivan , R. E. Firth , C. P. Gutiérrez , C. Frohmaier , M. Smith , C. Angus , R. C. Nichol

The Dark Energy Survey Supernova Program: Corrections on photometry due to wavelength-dependent atmospheric effects

Wavelength-dependent atmospheric effects impact photometric supernova flux measurements for ground-based observations. We present corrections on supernova flux measurements from the Dark Energy Survey Supernova Program's 5YR sample…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-10 J. Lee , M. Acevedo , M. Sako , M. Vincenzi , D. Brout , B. Sanchez , R. Chen , T. M. Davis , M. Jarvis , D. Scolnic , H. Qu , L. Galbany , R. Kessler , J. Lasker , M. Sullivan , P. Wiseman , M. Aguena , S. Allam , O. Alves , F. Andrade-Oliveira , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , D. Friedel , J. Frieman , J. García-Bellido , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , S. Kent , K. Kuehn , N. Kuropatkin , J. Mena-Fernández , R. Miquel , R. L. C. Ogando , A. Palmese , A. Pieres , A. A. Plazas Malagón , M. Raveri , K. Reil , M. Rodriguez-Monroy , E. Sanchez , V. Scarpine , I. Sevilla-Noarbe , M. Smith , E. Suchyta , G. Tarle , C. To , N. Weaverdyck