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

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 Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Survey Overview and Supernova Spectroscopy

We present spectroscopy from the first three seasons of the Dark Energy Survey Supernova Program (DES-SN). We describe the supernova spectroscopic program in full: strategy, observations, data reduction, and classification. We have…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-26 C. B. D'Andrea , M. Smith , M. Sullivan , R. C. Nichol , R. C. Thomas , A. G. Kim , A. Möller , M. Sako , F. J. Castander , A. V. Filippenko , R. J. Foley , L. Galbany , S. González-Gaitán , E. Kasai , R. P. Kirshner , C. Lidman , D. Scolnic , D. Brout , T. M. Davis , R. R. Gupta , S. R. Hinton , R. Kessler , J. Lasker , E. Macaulay , R. C. Wolf , B. Zhang , J. Asorey , A. Avelino , B. A. Bassett , J. Calcino , D. Carollo , R. Casas , P. Challis , M. Childress , A. Clocchiatti , S. Crawford , K. Glazebrook , D. A. Goldstein , M. L. Graham , J. K. Hoormann , K. Kuehn , G. F. Lewis , K. S. Mandel , E. Morganson , D. Muthukrishna , P. Nugent , Y. -C. Pan , M. Pursiainen , R. Sharp , N. E. Sommer , E. Swann , B. E. Tucker , S. A. Uddin , P. Wiseman , W. Zheng , T. M. C. Abbott , J. Annis , S. Avila , K. Bechtol , G. M. Bernstein , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. E. Cunha , L. N. da Costa , C. Davis , J. De Vicente , H. T. Diehl , T. F. Eifler , J. Estrada , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , M. W. G. Johnson , M. D. Johnson , N. Kuropatkin , T. S. Li , M. Lima , M. A. G. Maia , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , E. Neilsen , R. L. C. Ogando , A. A. Plazas , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , F. Sobreira , E. Suchyta , G. Tarle , D. L. Tucker , W. Wester

Supernova Host Galaxies in the Dark Energy Survey: I. Deep Coadds, Photometry, and Stellar Masses

The five-year Dark Energy Survey supernova programme (DES-SN) is one of the largest and deepest transient surveys to date in terms of volume and number of supernovae. Identifying and characterising the host galaxies of transients plays a…

Astrophysics of Galaxies · Physics 2020-05-27 P. Wiseman , M. Smith , M. Childress , L. Kelsey , A. Möller , R. R. Gupta , E. Swann , C. R. Angus , D. Brout , T. M. Davis , R. J. Foley , C. Frohmaier , L. Galbany , C. P. Gutiérrez , R. Kessler , G. F. Lewis , C. Lidman , E. Macaulay , R. C. Nichol , M. Pursiainen , M. Sako , D. Scolnic , N. E. Sommer , M. Sullivan , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , S. Avila , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , L. N. da Costa , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , S. Everett , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , R. A. Gruendl , J. Gschwend , W. G. Hartley , S. R. Hinton , D. L. Hollowood , D. J. James , K. Kuehn , N. Kuropatkin , M. Lima , M. A. G. Maia , M. March , P. Martini , P. Melchior , F. Menanteau , R. Miquel , R. L. C. Ogando , F. Paz-Chinchón , A. A. Plazas , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , S. Serrano , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , T. N. Varga , A. R. Walker , R. Wilkinson

The Dark Energy Survey 5-year photometrically classified type Ia supernovae without host-galaxy redshifts

Current and future Type Ia Supernova (SN Ia) surveys will need to adopt new approaches to classifying SNe and obtaining their redshifts without spectra if they wish to reach their full potential. We present here a novel approach that uses…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-13 A. Möller , P. Wiseman , M. Smith , C. Lidman , T. M. Davis , R. Kessler , M. Sako , M. Sullivan , L. Galbany , J. Lee , R. C. Nichol , B. O. Sánchez , M. Vincenzi , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , F. Andrade-Oliveira , D. Bacon , E. Bertin , D. Brooks , A. Carnero Rosell , F. J. Castander , S. Desai , H. T. Diehl , S. Everett , I. Ferrero , D. Friedel , J. Frieman , J. García-Bellido , E. Gaztanaga , G. Giannini , R. A. Gruendl , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , O. Lahav , S. Lee , J. L. Marshall , J. Mena-Fernández , F. Menanteau , R. Miquel , J. Myles , R. L. C. Ogando , A. Palmese , A. Pieres , A. A. Plazas Malagón , A. Roodman , E. Sanchez , D. Sanchez Cid , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , D. L. Tucker , A. R. Walker , N. Weaverdyck , L. N. da Costa , M. E. S. Pereira

Type Ia Supernovae Selection and Forecast of Cosmology Constraints for the Dark Energy Survey

We present the results of a study of selection criteria to identify Type Ia supernovae photometrically in a simulated mixed sample of Type Ia supernovae and core collapse supernovae. The simulated sample is a mockup of the expected results…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-19 Eda Gjergo , Jefferson Duggan , John D. Cunningham , Steve Kuhlmann , Rahul Biswas , Eve Kovacs , Joseph P. Bernstein , Harold Spinka

A Fully Photometric Approach to Type Ia Supernova Cosmology in the LSST Era: Host Galaxy Redshifts and Supernova Classification

The upcoming Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) is expected to discover nearly a million Type Ia supernovae (SNeIa), offering an unprecedented opportunity to constrain dark energy. The vast majority of these…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-09 Ayan Mitra , Richard Kessler , Rebecca C. Chen , Alex Gagliano , Matthew Grayling , Surhud More , Gautham Narayan , Helen Qu , Srinivasan Raghunathan , Alex I. Malz , Michelle Lochner , The LSST Dark Energy Science Collaboration

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

First Cosmology Results Using Type Ia Supernovae from the Dark Energy Survey: Effects of Chromatic Corrections to Supernova Photometry on Measurements of Cosmological Parameters

Calibration uncertainties have been the leading systematic uncertainty in recent analyses using type Ia Supernovae (SNe Ia) to measure cosmological parameters. To improve the calibration, we present the application of Spectral Energy…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-13 J. Lasker , R. Kessler , D. Scolnic , D. Brout , C. B. D'Andrea , T. M. Davis , S. R. Hinton , A. G. Kim , C. Lidman , E. Macaulay , A. Möller , M. Sako , M. Smith , M. Sullivan , J. Asorey , B. A. Bassett , D. L. Burke , J. Calcino , D. Carollo , M. Childress , J. Frieman , J. K. Hoormann , E. Kasai , T. S. Li , M. March , E. Morganson , E. S. Rykoff , E. Swann , B. E. Tucker , W. Wester , T. M. C. Abbott , S. Allam , J. Annis , S. Avila , K. Bechtol , E. Bertin , D. Brooks , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , L. N. da Costa , C. Davis , J. De Vicente , H. T. Diehl , P. Doel , A. Drlica-Wagner , B. Flaugher , J. Garcia-Bellido , E. Gaztanaga , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. L. Hollowood , K. Honscheid , D. J. James , S. Kent , E. Krause , R. Kron , K. Kuehn , N. Kuropatkin , M. Lima , M. A. G. Maia , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , A. A. Plazas , E. Sanchez , V. Scarpine , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. L. Tucker , A. R. Walker

STAR NRE: Solving supernova selection effects with set-based truncated auto-regressive neural ratio estimation

Accounting for selection effects in supernova type Ia (SN Ia) cosmology is crucial for unbiased cosmological parameter inference -- even more so for the next generation of large, mostly photometric-only surveys. The conventional "bias…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-01 Konstantin Karchev , Roberto Trotta

The Foundation Supernova Survey: Measuring Cosmological Parameters with Supernovae from a Single Telescope

Measurements of the dark energy equation-of-state parameter, $w$, have been limited by uncertainty in the selection effects and photometric calibration of $z<0.1$ Type Ia supernovae (SNe Ia). The Foundation Supernova Survey is designed to…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 D. O. Jones , D. M. Scolnic , R. J. Foley , A. Rest , R. Kessler , P. M. Challis , K. C. Chambers , D. A. Coulter , K. G. Dettman , M. M. Foley , M. E. Huber , S. W. Jha , E. Johnson , C. D. Kilpatrick , R. P. Kirshner , J. Manuel , G. Narayan , Y. -C. Pan , A. G. Riess , A. S. B. Schultz , M. R. Siebert , E. Berger , R. Chornock , H. Flewelling , E. A. Magnier , S. J. Smartt , K. W. Smith , R. J. Wainscoat , C. Waters , M. Willman

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

Towards Precision Photometric Type Ia Supernova Cosmology with Machine Learning

The revolutionary discovery of dark energy and accelerating cosmic expansion was made with just 42 type Ia supernovae (SNe Ia) in 1999. Since then, large synoptic surveys, e.g., Dark Energy Survey (DES), have observed thousands more SNe Ia…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-10 Helen Qu

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

Cosmology with Superluminous Supernovae

We predict cosmological constraints for forthcoming surveys using Superluminous Supernovae (SLSNe) as standardisable candles. Due to their high peak luminosity, these events can be observed to high redshift (z~3), opening up new…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Dario Scovacricchi , Robert C. Nichol , David Bacon , Mark Sullivan , Szymon Prajs

First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters

We present the first cosmological parameter constraints using measurements of type Ia supernovae (SNe Ia) from the Dark Energy Survey Supernova Program (DES-SN). The analysis uses a subsample of 207 spectroscopically confirmed SNe Ia from…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 T. M. C. Abbott , S. Allam , P. Andersen , C. Angus , J. Asorey , A. Avelino , S. Avila , B. A. Bassett , K. Bechtol , G. M. Bernstein , E. Bertin , D. Brooks , D. Brout , P. Brown , D. L. Burke , J. Calcino , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , R. Casas , F. J. Castander , R. Cawthon , P. Challis , M. Childress , A. Clocchiatti , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , C. Davis , T. M. Davis , J. De Vicente , D. L. DePoy , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , A. E. Evrard , E. Fernandez , A. V. Filippenko , D. A. Finley , B. Flaugher , R. J. Foley , P. Fosalba , J. Frieman , L. Galbany , J. Garcia-Bellido , E. Gaztanaga , T. Giannantonio , K. Glazebrook , D. A. Goldstein , S. Gonzalez-Gaitan , D. Gruen , R. A. Gruendl , J. Gschwend , R. R. Gupta , G. Gutierrez , W. G. Hartley , S. R. Hinton , D. L. Hollowood , K. Honscheid , J. K. Hoormann , B. Hoyle , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , E. Kasai , S. Kent , R. Kessler , A. G. Kim , R. P. Kirshner , E. Kovacs , E. Krause , R. Kron , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , J. Lasker , G. F. Lewis , T. S. Li , C. Lidman , M. Lima , H. Lin , E. Macaulay , M. A. G. Maia , K. S. Mandel , M. March , J. Marriner , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , V. Miranda , J. J. Mohr , E. Morganson , D. Muthukrishna , A. Möller , E. Neilsen , R. C. Nichol , B. Nord , P. Nugent , R. L. C. Ogando , A. Palmese , Y. -C. Pan , A. A. Plazas , M. Pursiainen , A. K. Romer , A. Roodman , E. Rozo , E. S. Rykoff , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , D. Scolnic , S. Serrano , I. Sevilla-Noarbe , R. Sharp , M. Smith , M. Soares-Santos , F. Sobreira , N. E. Sommer , H. Spinka , E. Suchyta , M. Sullivan , E. Swann , G. Tarle , D. Thomas , R. C. Thomas , M. A. Troxel , B. E. Tucker , S. A. Uddin , A. R. Walker , W. Wester , P. Wiseman , R. C. Wolf , B. Yanny , B. Zhang , Y. Zhang

Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC galaxies

Current and future cosmological analyses with Type Ia Supernovae (SNe Ia) face three critical challenges: i) measuring redshifts from the supernova or its host galaxy; ii) classifying SNe without spectra; and iii) accounting for…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-10 R. Chen , D. Scolnic , E. Rozo , E. S. Rykoff , B. Popovic , R. Kessler , M. Vincenzi , T. M. Davis , P. Armstrong , D. Brout , L. Galbany , L. Kelsey , C. Lidman , A. Möller , B. Rose , M. Sako , M. Sullivan , G. Taylor , P. Wiseman , J. Asorey , A. Carr , C. Conselice , K. Kuehn , G. F. Lewis , E. Macaulay , M. Rodriguez-Monroy , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Cawthon , M. Costanzi , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. Gruen , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , O. Lahav , M. Lima , M. March , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , J. Prat , A. K. Romer , A. Roodman , E. Sanchez , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , D. L. Tucker , T. N. Varga

Photometric classification of type Ia supernovae in the SuperNova Legacy Survey with supervised learning

In the era of large astronomical surveys, photometric classification of supernovae (SNe) has become an important research field due to limited spectroscopic resources for candidate follow-up and classification. In this work, we present a…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 A. Möller , V. Ruhlmann-Kleider , C. Leloup , J. Neveu , N. Palanque-Delabrouille , J. Rich , R. Carlberg , C. Lidman , C. Pritchet

Photometric SN Ia Candidates from the Three-Year SDSS-II SN Survey Data

We analyze the three-year SDSS-II Superernova (SN) Survey data and identify a sample of 1070 photometric SN Ia candidates based on their multi-band light curve data. This sample consists of SN candidates with no spectroscopic confirmation,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Masao Sako , Bruce Bassett , Brian Connolly , Benjamin Dilday , Heather Campbell , Joshua Frieman , Larry Gladney , Richard Kessler , Hubert Lampeitl , John Marriner , Ramon Miquel , Robert Nichol , Donald Schneider , Mathew Smith , Jesper Sollerman

Utilizing Type Ia Supernovae in a Large, Fast, Imaging Survey to Constrain Dark Energy

We study the utility of a large sample of type Ia supernovae that might be observed in an imaging survey that rapidly scans a large fraction of the sky for constraining dark energy. We consider information from the traditional luminosity…

Astrophysics · Physics 2011-02-11 Andrew R. Zentner , Suman Bhattacharya

Assessment of the Systematic Uncertainties in the Cosmological Analysis of the SDSS Supernovae Photometric Sample

Improvement in the precision of measurements of cosmological parameters with Type Ia Supernovae (SNIa) is expected to come from large photometrically identified (photometric) SN samples. Here we re-analyse the SDSS photometric SN sample,…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-04 Brodie Popovic , Dan Scolnic , Richard Kessler