Related papers: The ESSENCE Supernova Survey: Survey Optimization,…

Type Ia supernovae and the acceleration of the universe: results from the ESSENCE Supernova Survey

The ESSENCE project was a six year supernova search carried out with the CTIO 4-m telescope. We also obtained spectra with many of the world's largest ground-based telescopes and observed some of our SNe with the Hubble Space Telescope and…

Astrophysics · Physics 2008-09-17 Kevin Krisciunas

Supernova Cosmology and the ESSENCE project

The proper usage of Type Ia supernovae (SNe Ia) as distance indicators has revolutionized cosmology, and added a new dominant component to the energy density of the Universe, dark energy. Following the discovery and confirmation era, the…

Astrophysics · Physics 2007-05-23 Jesper Sollerman , Claudio Aguilera , Andy Becker , Stephane Blondin , Pete Challis , Alejandro Clocchiatti , Alex Filippenko , Ryan Foley , Peter M. Garnavich , Malcolm Hicken , Saurabh Jha , Robert Kirshner , Kevin Krisciunas , Bruno Leibundgut , Weidong Li , Thomas Matheson , Gajus Miknaitis , Armin Rest , Adam G. Riess , Maria Elena Salvo , Brian P. Schmidt , Chris Smith , Jason Spyromilio , Chris Stubbs , Nicholas B. Suntzeff , John L. Tonry , Michael Wood-Vasey , Brian Barris , Tamara Davis , Edvard Mortsell

Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Four Years

We present the results of spectroscopic observations from the ESSENCE high-redshift supernova (SN) survey during its first four years of operation. This sample includes spectra of all SNe Ia whose light curves were presented by Miknaitis et…

Astrophysics · Physics 2009-11-13 R. J. Foley , T. Matheson , S. Blondin , R. Chornock , J. M. Silverman , P. Challis , A. Clocchiatti , A. V. Filippenko , R. P. Kirshner , B. Leibundgut , J. Sollerman , J. Spyromilio , J. L. Tonry , T. M. Davis , P. M. Garnavich , S. W. Jha , K. Krisciunas , W. Li , G. Pignata , A. Rest , A. G. Riess , B. P. Schmidt , R. C. Smith , C. W. Stubbs , B. E. Tucker , W. M. Wood-Vasey

Hubble Space Telescope Observations of Nine High-Redshift ESSENCE Supernovae

We present broad-band light curves of nine supernovae ranging in redshift from 0.5 to 0.8. The supernovae were discovered as part of the ESSENCE project, and the light curves are a combination of Cerro Tololo 4-m and Hubble Space Telescope…

Astrophysics · Physics 2008-11-26 Kevin Krisciunas , Peter M. Garnavich , Peter Challis , Jose Luis Prieto , A. G. Riess , B. Barris , C. Aguilera , A. C. Becker , S. Blondin , R. Chornock , A. Clocchiatti , R. Covarrubias , A. V. Filippenko , R. J. Foley , M. Hicken , S. Jha , R. P. Kirshner , B. Leibundgut , W. D. Li , T. Matheson , A. Miceli , G. Miknaitis , A. Rest , M. E. Salvo , B. P. Schmidt , R. C. Smith , J. Sollerman , J. Spyromilio , C. W. Stubbs , N. B. Suntzeff , J. L. Tonry , W. M. Wood-Vasey

Light Curves of 213 Type Ia Supernovae from the ESSENCE Survey

The ESSENCE survey discovered 213 Type Ia supernovae at redshifts 0.1 < z < 0.81 between 2002 and 2008. We present their R and I-band photometry, measured from images obtained using the MOSAIC II camera at the CTIO 4 m Blanco telescope,…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-25 Gautham Narayan , Armin Rest , Brad E. Tucker , Ryan J. Foley , W. Michael Wood-Vasey , Peter Challis , Christopher W. Stubbs , Robert P. Kirshner , Claudio Aguilera , Andrew C. Becker , Stephane Blondin , Alejandro Clocchiatti , Ricardo Covarrubias , Guillermo Damke , Tamara M. Davis , Alexei V. Filippenko , Mohan Ganeshalingam , Arti Garg , Peter M. Garnavich , Malcolm Hicken , Saurabh W. Jha , Kevin Krisciunas , Bruno Leibundgut , Weidong Li , Thomas Matheson , Gajus Miknaitis , Guiliano Pignata , Jose Luis Prieto , Adam G. Riess , Brian P. Schmidt , Jeffrey M. Silverman , R. Chris Smith , Jesper Sollerman , Jason Spyromilio , Nicholas B. Suntzeff , John L. Tonry , Alfredo Zenteno

Observational Constraints on the Nature of the Dark Energy: First Cosmological Results from the ESSENCE Supernova Survey

We present constraints on the dark energy equation-of-state parameter, w=P/(rho c^2), using 60 Type Ia supernovae (SNe Ia) from the ESSENCE supernova survey. We derive a set of constraints on the nature of the dark energy assuming a flat…

Astrophysics · Physics 2008-11-26 W. M. Wood-Vasey , G. Miknaitis , C. W. Stubbs , S. Jha , A. G. Riess , P. M. Garnavich , R. P. Kirshner , C. Aguilera , A. C. Becker , J. W. Blackman , S. Blondin , P. Challis , A. Clocchiatti , A. Conley , R. Covarrubias , T. M. Davis , A. V. Filippenko , R. J. Foley , A. Garg , M. Hicken , K. Krisciunas , B. Leibundgut , W. Li , T. Matheson , A. Miceli , G. Narayan , G. Pignata , J. L. Prieto , A. Rest , M. E. Salvo , B. P. Schmidt , R. C. Smith , J. Sollerman , J. Spyromilio , J. L. Tonry , N. B. Suntzeff , A. Zenteno

Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Two Years

We present the results of spectroscopic observations of targets discovered during the first two years of the ESSENCE project. The goal of ESSENCE is to use a sample of ~200 Type Ia supernovae (SNe Ia) at moderate redshifts (0.2 < z < 0.8)…

Astrophysics · Physics 2009-11-10 T. Matheson , S. Blondin , R. J. Foley , R. Chornock , A. V. Filippenko , B. Leibundgut , R. C. Smith , J. Sollerman , J. Spyromilio , R. P. Kirshner , A. Clocchiatti , C. Aguilera , B. Barris , A. C. Becker , P. Challis , R. Covarrubias , P. Garnavich , M. Hicken , S. Jha , K. Krisciunas , W. Li , A. Miceli , G. Miknaitis , J. L. Prieto , A. Rest , A. G. Riess , M. E. Salvo , B. P. Schmidt , C. W. Stubbs , N. B. Suntzeff , J. L. Tonry

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

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

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

Supernovae and the Nature of the Dark Energy

The use of Type Ia supernovae as calibrated standard candles is one of the most powerful tools to study the expansion history of the universe and thereby its energy components. While the analysis of some ~50 supernovae at redshifts around…

Astrophysics · Physics 2009-11-06 M. Goliath , R. Amanullah , P. Astier , A. Goobar , R. Pain

Unbiased Estimate of Dark Energy Density from Type Ia Supernova Data

Type Ia supernovae (SNe Ia) are currently the best probes of the dark energy in the universe. To constrain the nature of dark energy in a model-independent manner, we allow the density of dark energy, $\rho_X(z)$, to be an arbitrary…

Astrophysics · Physics 2009-11-07 Yun Wang , Geoffrey Lovelace

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

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

Supernova Simulations and Strategies For the Dark Energy Survey

We present an analysis of supernova light curves simulated for the upcoming Dark Energy Survey (DES) supernova search. The simulations employ a code suite that generates and fits realistic light curves in order to obtain distance…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-19 J. P. Bernstein , R. Kessler , S. Kuhlmann , R. Biswas , E. Kovacs , G. Aldering , I. Crane , C. B. D'Andrea , D. A. Finley , J. A. Frieman , T. Hufford , M. J. Jarvis , A. G. Kim , J. Marriner , P. Mukherjee , R. C. Nichol , P. Nugent , D. Parkinson , R. R. R. Reis , M. Sako , H. Spinka , M. Sullivan

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

Measuring the Properties of Dark Energy with Photometrically Classified Pan-STARRS Supernovae. I. Systematic Uncertainty from Core-Collapse Supernova Contamination

The Pan-STARRS (PS1) Medium Deep Survey discovered over 5,000 likely supernovae (SNe) but obtained spectral classifications for just 10% of its SN candidates. We measured spectroscopic host galaxy redshifts for 3,147 of these likely SNe and…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-05 D. O. Jones , D. M. Scolnic , A. G. Riess , R. Kessler , A. Rest , R. P. Kirshner , E. Berger , C. A. Ortega , R. J. Foley , R. Chornock , P. J. Challis , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , M. E. Huber , N. Kaiser , R. -P. Kudritzki , N. Metcalfe , R. J. Wainscoat , C. Waters

Constraining Cosmic Evolution of Type Ia Supernovae

We present the first large-scale effort of creating composite spectra of high-redshift type Ia supernovae (SNe Ia) and comparing them to low-redshift counterparts. Through the ESSENCE project, we have obtained 107 spectra of 88…

Astrophysics · Physics 2014-11-18 Ryan J. Foley , A. V. Filippenko , C. Aguilera , A. C. Becker , S. Blondin , P. Challis , A. Clocchiatti , R. Covarrubias , T. M. Davis , P. M. Garnavich , S. Jha , R. P. Kirshner , K. Krisciunas , B. Leibundgut , W. Li , T. Matheson , A. Miceli , G. Miknaitis , G. Pignata , A. Rest , A. G. Riess , B. P. Schmidt , R. C. Smith , J. Sollerman , J. Spyromilio , C. W. Stubbs , J. L. Tonry , N. B. Suntzeff , W. M. Wood-Vasey , A. Zenteno

The Dark Energy Survey Supernova Program: Cosmological Analysis and Systematic Uncertainties

We present the full Hubble diagram of photometrically-classified Type Ia supernovae (SNe Ia) from the Dark Energy Survey supernova program (DES-SN). DES-SN discovered more than 20,000 SN candidates and obtained spectroscopic redshifts of…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-24 M. Vincenzi , D. Brout , P. Armstrong , B. Popovic , G. Taylor , M. Acevedo , R. Camilleri , R. Chen , T. M. Davis , S. R. Hinton , L. Kelsey , R. Kessler , J. Lee , C. Lidman , A. Möller , H. Qu , M. Sako , B. Sanchez , D. Scolnic , M. Smith , M. Sullivan , P. Wiseman , J. Asorey , B. A. Bassett , D. Carollo , A. Carr , R. J. Foley , C. Frohmaier , L. Galbany , K. Glazebrook , O. Graur , E. Kovacs , K. Kuehn , U. Malik , R. C. Nichol , B. Rose , B. E. Tucker , M. Toy , D. L. Tucker , F. Yuan , T. M. C. Abbott , M. Aguena , O. Alves , F. Andrade-Oliveira , J. Annis , D. Bacon , K. Bechtol , G. M. Bernstein , D. Brooks , D. L. Burke , A. Carnero Rosell , J. Carretero , F. J. Castander , C. Conselice , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , G. Giannini , D. Gruen , R. A. Gruendl , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , N. Kuropatkin , O. Lahav , S. Lee , H. Lin , J. L. Marshall , J. Mena-Fernández , F. Menanteau , R. Miquel , A. Palmese , A. Pieres , A. A. Plazas Malagón , A. Porredon , A. K. Romer , A. Roodman , E. Sanchez , D. Sanchez Cid , M. Schubnell , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , C. To , A. R. Walker , N. Weaverdyck

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