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

Dark Energy Survey Year 3 results: cosmological constraints from the analysis of cosmic shear in harmonic space

We present cosmological constraints from the analysis of angular power spectra of cosmic shear maps based on data from the first three years of observations by the Dark Energy Survey (DES Y3). Our measurements are based on the…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-20 C. Doux , B. Jain , D. Zeurcher , J. Lee , X. Fang , R. Rosenfeld , A. Amon , H. Camacho , A. Choi , L. F. Secco , J. Blazek , C. Chang , M. Gatti , E. Gaztanaga , N. Jeffrey , M. Raveri , S. Samuroff , A. Alarcon , O. Alves , F. Andrade-Oliveira , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , A. Campos , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , R. Chen , J. Cordero , M. Crocce , C. Davis , J. DeRose , S. Dodelson , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , A. Ferté , P. Fosalba , O. Friedrich , G. Giannini , D. Gruen , R. A. Gruendl , I. Harrison , W. G. Hartley , K. Herner , H. Huang , E. M. Huff , D. Huterer , M. Jarvis , E. Krause , N. Kuropatkin , P. -F. Leget , P. Lemos , A. R. Liddle , N. MacCrann , J. McCullough , J. Muir , J. Myles , A. Navarro-Alsina , S. Pandey , Y. Park , A. Porredon , J. Prat , M. Rodriguez-Monroy , R. P. Rollins , A. Roodman , A. J. Ross , E. S. Rykoff , C. Sánchez , J. Sanchez , I. Sevilla-Noarbe , E. Sheldon , T. Shin , A. Troja , M. A. Troxel , I. Tutusaus , T. N. Varga , N. Weaverdyck , R. H. Wechsler , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , D. W. Gerdes , T. Giannantonio , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , A. G. Kim , K. Kuehn , O. Lahav , J. L. Marshall , F. Menanteau , R. Miquel , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , A. Pieres , K. Reil , E. Sanchez , V. Scarpine , S. Serrano , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , J. Weller

Top ten accelerating cosmological models

Recent astronomical observations indicate that the Universe is presently almost flat and undergoing a period of accelerated expansion. Basing on Einstein's general relativity all these observations can be explained by the hypothesis of a…

Astrophysics · Physics 2007-06-13 Marek Szydlowski , Aleksandra Kurek , Adam Krawiec

Dark Energy Survey Year 1 Results: Cross-correlation between DES Y1 galaxy weak lensing and SPT+Planck CMB weak lensing

We cross-correlate galaxy weak lensing measurements from the Dark Energy Survey (DES) year-one (Y1) data with a cosmic microwave background (CMB) weak lensing map derived from South Pole Telescope (SPT) and Planck data, with an effective…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-21 Y. Omori , E. Baxter , C. Chang , D. Kirk , A. Alarcon , G. M. Bernstein , L. E. Bleem , R. Cawthon , A. Choi , R. Chown , T. M. Crawford , C. Davis , J. De Vicente , J. DeRose , S. Dodelson , T. F. Eifler , P. Fosalba , O. Friedrich , M. Gatti , E. Gaztanaga , T. Giannantonio , D. Gruen , W. G. Hartley , G. P. Holder , B. Hoyle , D. Huterer , B. Jain , M. Jarvis , E. Krause , N. MacCrann , R. Miquel , J. Prat , M. M. Rau , C. L. Reichardt , E. Rozo , S. Samuroff , C. Sánchez , L. F. Secco , E. Sheldon , G. Simard , M. A. Troxel , P. Vielzeuf , R. H. Wechsler , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , S. Avila , K. Aylor , B. A. Benson , E. Bertin , S. L. Bridle , D. Brooks , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. L. Chang , H-M. Cho , A. T. Crites , M. Crocce , C. E. Cunha , L. N. da Costa , T. de Haan , S. Desai , H. T. Diehl , J. P. Dietrich , M. A. Dobbs , W. B. Everett , E. Fernandez , B. Flaugher , J. Frieman , J. García-Bellido , E. M. George , R. A. Gruendl , G. Gutierrez , N. W. Halverson , N. L. Harrington , D. L. Hollowood , K. Honscheid , W. L. Holzapfel , Z. Hou , J. D. Hrubes , D. J. James , T. Jeltema , K. Kuehn , N. Kuropatkin , M. Lima , H. Lin , A. T. Lee , E. M. Leitch , D. Luong-Van , M. A. G. Maia , A. Manzotti , D. P. Marrone , J. L. Marshall , P. Martini , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , L. M. Mocanu , J. J. Mohr , T. Natoli , R. L. C. Ogando , S. Padin , A. A. Plazas , C. Pryke , A. K. Romer , A. Roodman , J. E. Ruhl , E. S. Rykoff , E. Sanchez , V. Scarpine , K. K. Schaffer , R. Schindler , I. Sevilla-Noarbe , E. Shirokoff , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , Z. Staniszewski , A. A. Stark , K. T. Story , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , K. Vanderlinde , J. D. Vieira , V. Vikram , A. R. Walker , J. Weller , R. Williamson , W. L. K. Wu , O. Zahn

Reconciling the local void with the CMB

In the standard cosmological model, the dimming of distant Type Ia supernovae is explained by invoking the existence of repulsive `dark energy' which is causing the Hubble expansion to accelerate. However this may be an artifact of…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-22 Seshadri Nadathur , Subir Sarkar

Can brane dark energy model be probed observationally by distant supernovae?

The recent astronomical measurements of distant supernovae as well as other observations indicate that our universe is presently accelerating. There are different proposals for the explanation of this acceleration, such as the cosmological…

Astrophysics · Physics 2008-11-26 Marek Szydlowski , Wlodzimierz Godlowski

Dynamical Dark Energy Beyond Planck? Constraints from multiple CMB probes, DESI BAO and Type-Ia Supernovae

The latest Baryon Acoustic Oscillation (BAO) measurements from the Dark Energy Spectroscopic Instrument (DESI) collaboration, when combined with Planck satellite Cosmic Microwave Background (CMB) data and Type Ia Supernovae, suggest a…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-09 William Giarè

The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg$^2$ of the sky

We present cosmological constraints from the Dark Energy Camera All Data Everywhere (DECADE) cosmic shear analysis. This work uses shape measurements for 107 million galaxies measured through Dark Energy Camera (DECam) imaging of $5,\!412$…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 D. Anbajagane , C. Chang , A. Drlica-Wagner , C. Y. Tan , M. Adamow , R. A. Gruendl , L. F. Secco , Z. Zhang , M. R. Becker , P. S. Ferguson , N. Chicoine , K. Herron , A. Alarcon , R. Teixeira , D. Suson , A. N. Alsina , A. Amon , F. Andrade-Oliveira , J. Blazek , C. R. Bom , H. Camacho , J. A. Carballo-Bello , A. Carnero Rosell , R. Cawthon , W. Cerny , A. Choi , Y. Choi , S. Dodelson , C. Doux , K. Eckert , J. Elvin-Poole , J. Esteves , M. Gatti , G. Giannini , D. Gruen , W. G. Hartley , K. Herner , E. M. Huff , D. J. James , M. Jarvis , E. Krause , N. Kuropatkin , C. E. Martínez-Vázquez , P. Massana , S. Mau , J. McCullough , G. E. Medina , B. Mutlu-Pakdil , J. Myles , M. Navabi , N. E. D. Noël , A. B. Pace , A. Porredon , J. Prat , M. Raveri , A. H. Riley , E. S. Rykoff , J. D. Sakowska , S. Samuroff , D. Sanchez-Cid , D. J. Sand , L. Santana-Silva , I. Sevilla-Noarbe , T. Shin , M. Soares-Santos , G. S. Stringfellow , C. To , A. Tong , M. A. Troxel , A. K. Vivas , M. Yamamoto , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

Evolving Dark Energy or Supernovae Systematics?

Recent results from the Dark Energy Spectroscopic Instrument (DESI) collaboration have been interpreted as evidence for evolving dark energy. However, this interpretation is strongly dependent on which Type Ia supernova (SN) sample is…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-04 George Efstathiou

Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples

We present cosmological constraints from a joint analysis of type Ia supernova (SN Ia) observations obtained by the SDSS-II and SNLS collaborations. The data set includes several low-redshift samples (z<0.1), all 3 seasons from the SDSS-II…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 M. Betoule , R. Kessler , J. Guy , J. Mosher , D. Hardin , R. Biswas , P. Astier , P. El-Hage , M. Konig , S. Kuhlmann , J. Marriner , R. Pain , N. Regnault , C. Balland , B. A. Bassett , P. J. Brown , H. Campbell , R. G. Carlberg , F. Cellier-Holzem , D. Cinabro , A. Conley , C. B. D'Andrea , D. L. DePoy , M. Doi , R. S. Ellis , S. Fabbro , A. V. Filippenko , R. J. Foley , J. A. Frieman , D. Fouchez , L. Galbany , A. Goobar , R. R. Gupta , G. J. Hill , R. Hlozek , C. J. Hogan , I. M. Hook , D. A. Howell , S. W. Jha , L. Le Guillou , G. Leloudas , C. Lidman , J. L. Marshall , A. Möller , A. M. Mourão , J. Neveu , R. Nichol , M. D. Olmstead , N. Palanque-Delabrouille , S. Perlmutter , J. L. Prieto , C. J. Pritchet , M. Richmond , A. G. Riess , V. Ruhlmann-Kleider , M. Sako , K. Schahmaneche , D. P. Schneider , M. Smith , J. Sollerman , M. Sullivan , N. A. Walton , C. J. Wheeler

DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements

We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman-$\alpha$ forest tracers from the first year of observations with the Dark Energy Spectroscopic Instrument (DESI Data Release 1). We adopt the…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-15 DESI Collaboration , A. G. Adame , J. Aguilar , S. Ahlen , S. Alam , D. M. Alexander , C. Allende Prieto , M. Alvarez , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , B. Bahr-Kalus , S. Bailey , C. Baltay , A. Bault , J. Behera , S. BenZvi , F. Beutler , D. Bianchi , C. Blake , R. Blum , M. Bonici , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , R. Cereskaite , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , J. Chaves-Montero , D. Chebat , S. Chen , X. Chen , T. Claybaugh , S. Cole , A. Cuceu , T. M. Davis , K. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , W. Elbers , A. Elliott , P. Fagrelius , K. Fanning , S. Ferraro , J. Ereza , N. Findlay , B. Flaugher , A. Font-Ribera , D. Forero-Sánchez , J. E. Forero-Romero , C. S. Frenk , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , D. Green , D. Gruen , R. Gsponer , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , M. M. S Hanif , H. K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , R. Joyce , S. Juneau , N. G. Karaçaylı , R. Kehoe , S. Kent , D. Kirkby , H. Kong , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , Y. Lai , T. -W. Lan , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , T. S. Li , K. Lodha , C. Magneville , M. Manera , D. Margala , P. Martini , W. Matthewson , M. Maus , P. McDonald , L. Medina-Varela , A. Meisner , J. Mena-Fernández , R. Miquel , J. Moon , S. Moore , J. Moustakas , N. Mudur , E. Mueller , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , L. Napolitano , R. Neveux , J. A. Newman , N. M. Nguyen , J. Nie , G. Niz , H. E. Noriega , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , J. Pan , S. Penmetsa , W. J. Percival , M. M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , A. Pérez-Fernández , I. Pérez-Ràfols , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , M. Rezaie , J. Rich , A. Rocher , C. Rockosi , N. A. Roe , A. Rosado-Marin , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , C. Saulder , E. F. Schlafly , D. Schlegel , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , J. Silber , A. Slosar , A. Smith , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , S. Trusov , R. Vaisakh , D. Valcin , F. Valdes , G. Valogiannis , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , M. J. Wilson , L. Yi , J. Yu , Y. Yu , S. Yuan , C. Yèche , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , R. Zhou , T. Zhuang , H. Zou

Cosmology with Photometrically-Classified Type Ia Supernovae from the SDSS-II Supernova Survey

We present the cosmological analysis of 752 photometrically-classified Type Ia Supernovae (SNe Ia) obtained from the full Sloan Digital Sky Survey II (SDSS-II) Supernova (SN) Survey, supplemented with host-galaxy spectroscopy from the…

Cosmology and Nongalactic Astrophysics · Physics 2013-08-05 Heather Campbell , Chris B. D'Andrea , Robert C. Nichol , Masao Sako , Mathew Smith , Hubert Lampeitl , Matthew D. Olmstead , Bruce Bassett , Rahul Biswas , Peter Brown , David Cinabro , Kyle S. Dawson , Ben Dilday , Ryan J. Foley , Joshua A. Frieman , Peter Garnavich , Renee Hlozek , Saurabh W. Jha , Steve Kuhlmann , Martin Kunz , John Marriner , Ramon Miquel , Michael Richmond , Adam Riess , Donald P. Schneider , Jesper Sollerman , Matt Taylor , Gong-Bo Zhao

Constraints on dark energy with the LOSS SN Ia sample

We present a cosmological analysis of the Lick Observatory Supernova Search (LOSS) Type Ia supernova (SN Ia) photometry sample introduced by Ganeshalingam et al. (2010). These SNe provide an effective anchor point to estimate cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-04 Mohan Ganeshalingam , Weidong Li , Alexei V. Filippenko

Which cosmological model with dark energy -- phantom or LambdaCDM

In cosmology many dramatically different scenarios with the past (big bang versus bounce) and in the future (de Sitter versus big rip) singularities are compatible with the present day observations. This difficulty is called the degeneracy…

Astrophysics · Physics 2009-11-13 Wlodzimierz Godlowski Marek Szydlowski

Stress testing the dark energy equation of state imprint on supernova data

This work determines the degree to which a standard Lambda-CDM analysis based on type Ia supernovae can identify deviations from a cosmological constant in the form of a redshift-dependent dark energy equation of state w(z). We introduce…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-10 Ben Moews , Rafael S. de Souza , Emille E. O. Ishida , Alex I. Malz , Caroline Heneka , Ricardo Vilalta , Joe Zuntz

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

An analytical late-Universe approach to the weaving of modern cosmology

Combining cosmological probes has consolidated the standard cosmological model with percent precision, but some tensions have recently emerged when certain parameters are estimated from the local or primordial Universe. The origin of this…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-16 Fabrizio Cogato , Michele Moresco , Lorenzo Amati , Andrea Cimatti

Updated constraints on interacting dark energy: A comprehensive analysis using multiple CMB probes, DESI DR2, and supernovae observations

Recent DESI baryon acoustic oscillation (BAO) measurements, combined with Planck cosmic microwave background (CMB) data and DESY5 type Ia supernova (SN) data, indicate a significant deviation from $\Lambda$CDM, which seems to suggest that…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-14 Tian-Nuo Li , Guo-Hong Du , Yun-He Li , Yichao Li , Jia-Le Ling , Jing-Fei Zhang , Xin Zhang

The Pantheon+ Analysis: Cosmological Constraints

We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia) ranging in redshift from $z=0.001$ to 2.26. This work features an increased sample size,…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-16 Dillon Brout , Dan Scolnic , Brodie Popovic , Adam G. Riess , Joe Zuntz , Rick Kessler , Anthony Carr , Tamara M. Davis , Samuel Hinton , David Jones , W. D'Arcy Kenworthy , Erik R. Peterson , Khaled Said , Georgie Taylor , Noor Ali , Patrick Armstrong , Pranav Charvu , Arianna Dwomoh , Antonella Palmese , Helen Qu , Benjamin M. Rose , Christopher W. Stubbs , Maria Vincenzi , Charlotte M. Wood , Peter J. Brown , Rebecca Chen , Ken Chambers , David A. Coulter , Mi Dai , Georgios Dimitriadis , Alexei V. Filippenko , Ryan J. Foley , Saurabh W. Jha , Lisa Kelsey , Robert P. Kirshner , Anais Möller , Jessie Muir , Seshadri Nadathur , Yen-Chen Pan , Armin Rest , Cesar Rojas-Bravo , Masao Sako , Matthew R. Siebert , Mat Smith , Benjamin E. Stahl , Phil Wiseman

$w_{dm}$-$w_{de}$ cosmological model with new data samples of cosmological observations

We revisit a cosmological model where dark matter (DM) and dark energy (DE) follow barotropic equations of state, allowing deviations from the standard $\Lambda$CDM framework (i.e. $w_{dm} \neq 0$, $w_{de} \neq -1$), considering both flat…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-24 Dorian Araya , Cristian Castillo , Genly Leon , Juan Magaña , Angie Barr Domínguez , Miguel A. García-Aspeitia

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