Related papers: Improving Dark Energy Constraints with High Redshi…

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

Type Ia Supernova Distances at z > 1.5 from the Hubble Space Telescope Multi-Cycle Treasury Programs: The Early Expansion Rate

We present an analysis of 15 Type Ia supernovae (SNe Ia) at redshift z > 1 (9 at 1.5 < z < 2.3) recently discovered in the CANDELS and CLASH Multi-Cycle Treasury programs using WFC3 on the Hubble Space Telescope. We combine these SNe Ia…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-14 Adam G. Riess , Steven A. Rodney , Daniel M. Scolnic , Daniel L. Shafer , Louis-Gregory Strolger , Henry C. Ferguson , Marc Postman , Or Graur , Dan Maoz , Saurabh W. Jha , Bahram Mobasher , Stefano Casertano , Brian Hayden , Alberto Molino , Jens Hjorth , Peter M. Garnavich , David O. Jones , Robert P. Kirshner , Anton M. Koekemoer , Norman A. Grogin , Gabriel Brammer , Shoubaneh Hemmati , Mark Dickinson , Peter M. Challis , Schuyler Wolff , Kelsey I. Clubb , Alexei V. Filippenko , Hooshang Nayyeri , U Vivian , David C. Koo , Sandra M. Faber , Dale Kocevski , Larry Bradley , Dan Coe

New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy

We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion years. These objects, which include 13 spectroscopically…

Astrophysics · Physics 2008-11-26 Adam G. Riess , Louis-Gregory Strolger , Stefano Casertano , Henry C. Ferguson , Bahram Mobasher , Ben Gold , Peter J. Challis , Alexei V. Filippenko , Saurabh Jha , Weidong Li , John Tonry , Ryan Foley , Robert P. Kirshner , Mark Dickinson , Emily MacDonald , Daniel Eisenstein , Mario Livio , Josh Younger , Chun Xu , Tomas Dahlen , Daniel Stern

A Type Ia Supernova at Redshift 1.55 in Hubble Space Telescope Infrared Observations from CANDELS

We report the discovery of a Type Ia supernova (SNIa) at redshift z=1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Steven A. Rodney , Adam G. Riess , Tomas Dahlen , Louis-Gregory Strolger , Henry C. Ferguson , Jens Hjorth , Teddy F. Frederiksen , Benjamin J. Weiner , Bahram Mobasher , Stefano Casertano , David O. Jones , Peter Challis , S. M. Faber , Alexei V. Filippenko , Peter Garnavich , Or Graur , Norman A. Grogin , Brian Hayden , Saurabh W. Jha , Robert P. Kirshner , Dale Kocevski , Anton Koekemoer , Curtis McCully , Brandon Patel , Abhijith Rajan , Claudia Scarlata

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

Using Host Galaxy Photometric Redshifts to Improve Cosmological Constraints with Type Ia Supernova in the LSST Era

We perform a rigorous cosmology analysis on simulated type Ia supernovae (SN~Ia) and evaluate the improvement from including photometric host-galaxy redshifts compared to using only the "zspec" subset with spectroscopic redshifts from the…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-08 Ayan Mitra , Richard Kessler , Surhud More , Renee Hlozek , The LSST Dark Energy Science Collaboration

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

Improved Cosmological Constraints from New, Old and Combined Supernova Datasets

We present a new compilation of Type Ia supernovae (SNe Ia), a new dataset of low-redshift nearby-Hubble-flow SNe and new analysis procedures to work with these heterogeneous compilations. This ``Union'' compilation of 414 SN Ia, which…

Astrophysics · Physics 2008-12-18 M. Kowalski , D. Rubin , G. Aldering , R. J. Agostinho , A. Amadon , R. Amanullah , C. Balland , K. Barbary , G. Blanc , P. J. Challis , A. Conley , N. V. Connolly , R. Covarrubias , K. S. Dawson , S. E. Deustua , R. Ellis , S. Fabbro , V. Fadeyev , X. Fan , B. Farris , G. Folatelli , B. L. Frye , G. Garavini , E. L. Gates , L. Germany , G. Goldhaber , B. Goldman , A. Goobar , D. E. Groom , J. Haissinski , D. Hardin , I. Hook , S. Kent , A. G. Kim , R. A. Knop , C. Lidman , E. V. Linder , J. Mendez , J. Meyers , G. J. Miller , M. Moniez , A. M. Mourao , H. Newberg , S. Nobili , P. E. Nugent , R. Pain , O. Perdereau , S. Perlmutter , M. M. Phillips , V. Prasad , R. Quimby , N. Regnault , J. Rich , E. P. Rubenstein , P. Ruiz-Lapuente , F. D. Santos , B. E. Schaefer , R. A. Schommer , R. C. Smith , A. M. Soderberg , A. L. Spadafora , L. -G. Strolger , M. Strovink , N. B. Suntzeff , N. Suzuki , R. C. Thomas , N. A. Walton , L. Wang , W. M. Wood-Vasey , J. L. Yun

Type Ia Supernova Discoveries at z>1 From the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution

We have discovered 16 Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to provide the first conclusive evidence for cosmic deceleration that preceded the current epoch of cosmic acceleration. These…

Astrophysics · Physics 2008-11-26 Adam G. Riess , Louis-Gregory Strolger , John Tonry , Stefano Casertano , Henry C. Ferguson , Bahram Mobasher , Peter Challis , Alexei V. Filippenko , Saurabh Jha , Weidong Li , Ryan Chornock , Robert P. Kirshner , Bruno Leibundgut , Mark Dickinson , Mario Livio , Mauro Giavalisco , Charles C. Steidel , Narciso Benitez , Zlatan Tsvetanov

Cosmological Results from the RAISIN Survey: Using Type Ia Supernovae in the Near Infrared as a Novel Path to Measure the Dark Energy Equation of State

Type Ia supernovae (SNe Ia) are more precise standardizable candles when measured in the near-infrared (NIR) than in the optical. With this motivation, from 2012-2017 we embarked on the RAISIN program with the Hubble Space Telescope (HST)…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-22 D. O. Jones , K. S. Mandel , R. P. Kirshner , S. Thorp , P. M. Challis , A. Avelino , D. Brout , C. Burns , R. J. Foley , Y. -C. Pan , D. M. Scolnic , M. R. Siebert , R. Chornock , W. L. Freedman , A. Friedman , J. Frieman , L. Galbany , E. Hsiao , L. Kelsey , G. H. Marion , R. C. Nichol , P. E. Nugent , M. M. Phillips , A. Rest , A. G. Riess , M. Sako , M. Smith , P. Wiseman , W. M. Wood-Vasey

Hubble parameter measurement constraints on dark energy

We use 21 Hubble parameter versus redshift data points, from Gazta\~{n}aga et al. (2009), Stern et al. (2010), and Moresco et al. (2012), to place constraints on model parameters of constant and time-evolving dark energy cosmologies. This…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Omer Farooq , Data Mania , Bharat Ratra

Improved Dark Energy Constraints from ~100 New CfA Supernova Type Ia Light Curves

We combine the CfA3 supernova Type Ia (SN Ia) sample with samples from the literature to calculate improved constraints on the dark energy equation of state parameter, w. The CfA3 sample is added to the Union set of Kowalski et al. (2008)…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-22 Malcolm Hicken , W. Michael Wood-Vasey , Stephane Blondin , Peter Challis , Saurabh Jha , Patrick L. Kelly , Armin Rest , Robert P. Kirshner

Distance Measurements from Supernovae and Dark Energy Constraints

Constraints on dark energy from current observational data are sensitive to how distances are measured from Type Ia supernova (SN Ia) data. We find that flux-averaging of SNe Ia can be used to test the presence of unknown systematic…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-29 Yun Wang

The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample

We present optical light curves, redshifts, and classifications for 365 spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Survey. We detail improvements to the PS1 SN photometry,…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 D. M. Scolnic , D. O. Jones , A. Rest , Y. C. Pan , R. Chornock , R. J. Foley , M. E. Huber , R. Kessler , G. Narayan , A. G. Riess , S. Rodney , E. Berger , D. J. Brout , P. J. Challis , M. Drout , D. Finkbeiner , R. Lunnan , R. P. Kirshner , N. E. Sanders , E. Schlafly , S. Smartt , C. W. Stubbs , J. Tonry , W. M. Wood-Vasey , M. Foley , J. Hand , E. Johnson , W. S. Burgett , K. C. Chambers , P. W. Draper , K. W. Hodapp , N. Kaiser , R. P. Kudritzki , E. A. Magnier , N. Metcalfe , F. Bresolin , E. Gall , R. Kotak , M. McCrum , K. W. Smith

Revisit of constraints on dark energy with Hubble parameter measurements including future redshift drift observations

We investigate whether the current Hubble parameter $H(z)$ measurements could help improve the constraints on dark energy on the basis of the mainstream cosmological probes including the type Ia supernovae (SN) observation, the cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-16 Yan Liu , Rui-Yun Guo , Jing-Fei Zhang , Xin Zhang

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

Evidence from Type Ia Supernovae for an Accelerating Universe and Dark Energy

I review the use of Type Ia supernovae (SNe Ia) for cosmological distance determinations. Low-redshift SNe Ia (z <~ 0.1) demonstrate that the Hubble expansion is linear, that H_0 = 65 +/- 2 (statistical) km/s/Mpc, and that the properties of…

Astrophysics · Physics 2007-05-23 Alexei V. Filippenko

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

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

Type-Ia Supernova Rates to Redshift 2.4 from CLASH: the Cluster Lensing And Supernova survey with Hubble

We present the supernova (SN) sample and Type-Ia SN (SN Ia) rates from the Cluster Lensing And Supernova survey with Hubble (CLASH). Using the Advanced Camera for Surveys and the Wide Field Camera 3 on the Hubble Space Telescope (HST), we…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 O. Graur , S. A. Rodney , D. Maoz , A. G. Riess , S. W. Jha , M. Postman , T. Dahlen , T. W. -S. Holoien , C. McCully , B. Patel , L. -G. Strolger , N. Benitez , D. Coe , S. Jouvel , E. Medezinski , A. Molino , M. Nonino , L. Bradley , A. Koekemoer , I. Balestra , S. B. Cenko , K. I. Clubb , M. E. Dickinson , A. V. Filippenko , T. F. Frederiksen , P. Garnavich , J. Hjorth , D. O. Jones , B. Leibundgut , T. Matheson , B. Mobasher , P. Rosati , J. M. Silverman , V. U , K. Jedruszczuk , C. Li , K. Lin , M. Mirmelstein , J. Neustadt , A. Ovadia , E. H. Rogers