D
D. Hardin
Researcher at Pierre-and-Marie-Curie University
Publications - 49
Citations - 11614
D. Hardin is an academic researcher from Pierre-and-Marie-Curie University. The author has contributed to research in topics: Supernova & Supernova Legacy Survey. The author has an hindex of 27, co-authored 48 publications receiving 11160 citations.
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Journal ArticleDOI
New Constraints on ΩM, ΩΛ, and w from an Independent Set of 11 High-Redshift Supernovae Observed with the Hubble Space Telescope*
R. A. Knop,R. A. Knop,Greg Aldering,Greg Aldering,Rahman Amanullah,Pierre Astier,G. Blanc,G. Blanc,M. S. Burns,A. Conley,A. Conley,Susana E. Deustua,Susana E. Deustua,Mamoru Doi,Richard S. Ellis,Sebastien Fabbro,Sebastien Fabbro,Gastón Folatelli,A. S. Fruchter,G. Garavini,S. Garmond,S. Garmond,K. Garton,R. Gibbons,Gerson Goldhaber,Gerson Goldhaber,Ariel Goobar,Donald E. Groom,Donald E. Groom,D. Hardin,I. M. Hook,Dale Andrew Howell,A. G. Kim,A. G. Kim,Brian C. Lee,Christopher Lidman,Javier Méndez,S. Nobili,Peter Nugent,Peter Nugent,Reynald Pain,Nino Panagia,C. R. Pennypacker,Saul Perlmutter,Robert Quimby,J. Raux,N. Regnault,N. Regnault,Pilar Ruiz-Lapuente,G. Sainton,Bradley E. Schaefer,K. Schahmaneche,E. Smith,A. L. Spadafora,Vallery Stanishev,Mark Sullivan,Mark Sullivan,Nicholas A. Walton,Lifan Wang,W. M. Wood-Vasey,W. M. Wood-Vasey,Naoki Yasuda +61 more
TL;DR: In this paper, a set of high-redshift supernovae were used to confirm previous supernova evidence for an accelerating universe, and the supernova results were combined with independent flat-universe measurements of the mass density from CMB and galaxy redshift distortion data, they provided a measurement of $w=-1.05^{+0.15}-0.09$ if w is assumed to be constant in time.
Journal ArticleDOI
Improved Cosmological Constraints from New, Old and Combined Supernova Datasets
M. Kowalski,David Rubin,Greg Aldering,Rui J. Agostinho,Alexis Amadon,Rahman Amanullah,C. Balland,Kyle Barbary,Guillermo A. Blanc,Peter Challis,Alex Conley,Natalia Connolly,R. A. Covarrubias,Kyle S. Dawson,Susana E. Deustua,Richard S. Ellis,Sebastien Fabbro,Vitaliy Fadeyev,Xiaohui Fan,B. Farris,G. Folatelli,Brenda Frye,G. Garavini,Elinor L. Gates,G. Goldhaber,Bertrand Goldman,A. Goobar,D. E. Groom,J. Haissinski,D. Hardin,I. M. Hook,Steve Kent,A. G. Kim,R. A. Knop,C. Lidman,Eric V. Linder,Javier Méndez,J. Meyers,G. J. Miller,M. Moniez,A. Mourao,Heidi Jo Newberg,S. Nobili,Peter Nugent,Reynald Pain,O. Perdereau,Saul Perlmutter,M. M. Phillips,V. Prasad,R. M. Quimby,Nicolas Regnault,Jeffrey A. Rich,E. P. Rubenstein,P. Ruiz-Lapuente,F. D. Santos,B. E. Schaefer,R. A. Schommer,Robert Connon Smith,Alicia M. Soderberg,A. L. Spadafora,M. Strovink,N. B. Suntzeff,Nao Suzuki,R. C. Thomas,N. A. Walton,Lian-Tao Wang,W. M. Wood-Vasey,Joao Lin Yun +67 more
TL;DR: In this article, the authors 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.
Journal ArticleDOI
New Constraints on $\Omega_M$, $\Omega_\Lambda$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST
R. A. Knop,Greg Aldering,Rahman Amanullah,Pierre Astier,Guillermo A. Blanc,M. S. Burns,Alex Conley,Susana E. Deustua,Masao Doi,Richard Ellis,Sebastien Fabbro,G. Folatelli,A. S. Fruchter,G. Garavini,S. Garmond,K. Garton,R. Gibbons,G. Goldhaber,A. Goobar,D. E. Groom,D. Hardin,I. M. Hook,D. A. Howell,A. G. Kim,Brian C. Lee,C. Lidman,Javier Méndez,S. Nobili,Peter Nugent,R. Pain,Nino Panagia,C. R. Pennypacker,Saul Perlmutter,R. M. Quimby,J. Raux,Nicolas Regnault,P. Ruiz-Lapuente,G. Sainton,B. E. Schaefer,K. Schahmaneche,Eric P. Smith,A. L. Spadafora,Vallery Stanishev,Mark Sullivan,N. A. Walton,Lingyu Wang,W. M. Wood-Vasey,Naoki Yasuda +47 more
TL;DR: In this paper, a set of high-redshift supernovae were used to confirm previous supernova evidence for an accelerating universe, and the supernova results were combined with independent flat-universe measurements of the mass density from CMB and galaxy redshift distortion data, they provided a measurement of $w=-1.05^{+0.15}-0.09$ if w is assumed to be constant in time.
Journal ArticleDOI
Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets
Marek Kowalski,David Rubin,David Rubin,Greg Aldering,Rui J. Agostinho,Alexis Amadon,R. Amanullah,C. Balland,Kyle Barbary,Kyle Barbary,G. Blanc,Peter Challis,Alex Conley,Natalia Connolly,R. Covarrubias,Kyle S. Dawson,Susana E. Deustua,Richard S. Ellis,Sebastien Fabbro,Vitaliy Fadeyev,Xiaohui Fan,B. Farris,Gastón Folatelli,Brenda Frye,G. Garavini,Elinor L. Gates,Gerson Goldhaber,Gerson Goldhaber,Bertrand Goldman,Ariel Goobar,Donald E. Groom,J. Haissinski,D. Hardin,I. M. Hook,Steve Kent,A. G. Kim,R. A. Knop,Christopher Lidman,Eric V. Linder,Javier Méndez,J. Meyers,J. Meyers,G. J. Miller,M. Moniez,A. Mourao,Heidi Jo Newberg,S. Nobili,Peter Nugent,Reynald Pain,O. Perdereau,Saul Perlmutter,Saul Perlmutter,Mark M. Phillips,V. Prasad,R. M. Quimby,Nicolas Regnault,J. Rich,E. P. Rubenstein,Pilar Ruiz-Lapuente,F. D. Santos,B. E. Schaefer,R. A. Schommer,Robert Connon Smith,Alicia M. Soderberg,A. L. Spadafora,Louis-Gregory Strolger,M. Strovink,M. Strovink,Nicholas B. Suntzeff,Nao Suzuki,R. C. Thomas,Nicholas A. Walton,Lian-Tao Wang,W. M. Wood-Vasey,Joao Lin Yun +74 more
TL;DR: A new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations is presented in this article.
Journal ArticleDOI
Supernova constraints and systematic uncertainties from the first three years of the supernova legacy survey
Alex Conley,Alex Conley,Julien Guy,Mark Sullivan,Nicolas Regnault,Pierre Astier,Christophe Balland,Christophe Balland,Stéphane Basa,Raymond G. Carlberg,Dominique Fouchez,D. Hardin,I. M. Hook,I. M. Hook,D. A. Howell,D. A. Howell,Reynald Pain,Nathalie Palanque-Delabrouille,Kathy Perrett,Kathy Perrett,C. J. Pritchet,Jeffrey A. Rich,V. Ruhlmann-Kleider,David D. Balam,S. Baumont,Richard S. Ellis,Richard S. Ellis,Sebastien Fabbro,Sebastien Fabbro,H. K. Fakhouri,N. Fourmanoit,Santiago González-Gaitán,Melissa L. Graham,Michael J. Hudson,Eric Hsiao,T. Kronborg,C. Lidman,A. Mourao,James D. Neill,Saul Perlmutter,Saul Perlmutter,P. Ripoche,P. Ripoche,Nao Suzuki,E. S. Walker +44 more
TL;DR: In this article, the authors combine high redshift Type Ia supernovae from the first 3 years of the Supernova Legacy Survey (SNLS) with other supernova (SN) samples, primarily at lower redshifts, to form a high-quality joint sample of 472 SNe (123 low-$z, 93 SDSS, 242 SNLS, and 14 {\it Hubble Space Telescope}).