V
V. Prasad
Researcher at Lawrence Berkeley National Laboratory
Publications - 6
Citations - 3293
V. Prasad is an academic researcher from Lawrence Berkeley National Laboratory. The author has contributed to research in topics: Supernova & Cosmological constant. The author has an hindex of 5, co-authored 5 publications receiving 3179 citations.
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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
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
Spectroscopic observations and analysis of the peculiar SN 1999aa
G. Garavini,Gastón Folatelli,Ariel Goobar,S. Nobili,Greg Aldering,Greg Aldering,Alexis Amadon,Rahman Amanullah,Pierre Astier,Christophe Balland,Christophe Balland,G. Blanc,G. Blanc,M. S. Burns,A. Conley,A. Conley,A. Conley,Tomas Dahlen,Susana E. Deustua,Susana E. Deustua,Richard S. Ellis,Sebastien Fabbro,Xiaohui Fan,Brenda Frye,E. L. Gates,R. Gibbons,Gerson Goldhaber,Gerson Goldhaber,Bertrand Goldman,Donald E. Groom,J. Haissinski,D. Hardin,I. M. Hook,Dale Andrew Howell,Daniel Kasen,Steve Kent,Alex G. Kim,R. A. Knop,Brian C. Lee,Christopher Lidman,Javier Méndez,G. J. Miller,G. J. Miller,M. Moniez,A. Mourao,Heidi Jo Newberg,Peter Nugent,Reynald Pain,O. Perdereau,Saul Perlmutter,V. Prasad,Robert Quimby,J. Raux,N. Regnault,Jeffrey A. Rich,Gordon T. Richards,Pilar Ruiz-Lapuente,G. Sainton,Bradley E. Schaefer,K. Schahmaneche,E. Smith,A. L. Spadafora,Vallery Stanishev,Nicholas A. Walton,L. Wang,W. M. Wood-Vasey,W. M. Wood-Vasey +66 more
TL;DR: In this paper, an extensive time series of spectroscopic data of the peculiar SN 1999aa in NGC 2595 is presented, including 25 optical spectra between -11 and +58 days with respect to B-band maximum light, providing an unusually complete time history.
Journal ArticleDOI
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa
G. Garavini,Gastón Folatelli,A. Goobar,S. Nobili,Greg Aldering,Alexis Amadon,Rahman Amanullah,Pierre Astier,C. Balland,Guillermo A. Blanc,M. S. Burns,Alex Conley,Tomas Dahlen,Susana E. Deustua,Richard S. Ellis,Sebastien Fabbro,Xiaohui Fan,Brenda Frye,Elinor L. Gates,R. Gibbons,G. Goldhaber,Bertrand Goldman,D. E. Groom,J. Haissinski,D. Hardin,I. M. Hook,D. A. Howell,Dan Kasen,Steve Kent,A. G. Kim,R. A. Knop,Brian C. Lee,C. Lidman,Javier Méndez,G. J. Miller,M. Moniez,A. Mourao,Heidi Jo Newberg,Peter Nugent,R. Pain,O. Perdereau,Saul Perlmutter,V. Prasad,R. M. Quimby,J. Raux,Nicolas Regnault,Jeffrey A. Rich,Gordon T. Richards,P. Ruiz-Lapuente,G. Sainton,B. E. Schaefer,K. Schahmaneche,Eric P. Smith,A. L. Spadafora,Vallery Stanishev,Nicholas A. Walton,Lian-Tao Wang,W. M. Wood-Vasey +57 more
TL;DR: In this article, the authors presented an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595, including 25 optical spectra between -11 and +58 days with respect to B-band maximum light, providing an unusually complete time history.
Journal ArticleDOI
Spectroscopic confirmation of high-redshift supernovae with the ESO VLT
Chris Lidman,D. A. Howell,D. A. Howell,Gastón Folatelli,G. Garavini,G. Garavini,S. Nobili,S. Nobili,Greg Aldering,Rahman Amanullah,P. Antilogus,Pierre Astier,Guillermo A. Blanc,M. S. Burns,Alex Conley,Alex Conley,S. E. Deustua,Mamoru Doi,Richard S. Ellis,Sebastien Fabbro,Vitaliy Fadeyev,R. Gibbons,G. Goldhaber,G. Goldhaber,Ariel Goobar,Donald E. Groom,I. M. Hook,Nobunari Kashikawa,A. G. Kim,R. A. Knop,Brian C. Lee,Javier Méndez,Tomoki Morokuma,Kentaro Motohara,Peter Nugent,Reynald Pain,Saul Perlmutter,Saul Perlmutter,V. Prasad,Robert Quimby,J. Raux,Nicolas Regnault,Nicolas Regnault,Pilar Ruiz-Lapuente,G. Sainton,Bradley E. Schaefer,K. Schahmaneche,Eric P. Smith,A. L. Spadafora,Vallery Stanishev,Nicholas A. Walton,Lifan Wang,W. M. Wood-Vasey,W. M. Wood-Vasey,Naoki Yasuda +54 more
TL;DR: In this article, the authors presented VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using type Ia supernova (SNe Ia) over a wide range of redshifts.