Observational probes of cosmic acceleration
David H. Weinberg,Michael J. Mortonson,Daniel J. Eisenstein,Daniel J. Eisenstein,Christopher M. Hirata,Adam G. Riess,Eduardo Rozo +6 more
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In this article, the authors present extensive forecasts for constraints on the dark energy equation of state and parameterized deviations from General Relativity, achievable with Stage III and Stage IV experimental programs that incorporate supernovae, BAO, weak lensing, and cosmic microwave background data.About:
This article is published in Physics Reports.The article was published on 2013-09-10 and is currently open access. It has received 1253 citations till now. The article focuses on the topics: Dark energy & Lambda-CDM model.read more
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Journal ArticleDOI
Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing
T. M. C. Abbott,Filipe B. Abdalla,A. Alarcon,Jelena Aleksić,S. Allam,Steven W. Allen,A. Amara,J. Annis,Jacobo Asorey,Santiago Avila,David Bacon,Eduardo Balbinot,Manda Banerji,Nilanjan Banik,Wayne A. Barkhouse,M. Baumer,Eric J. Baxter,Keith Bechtol,Matthew R. Becker,A. Benoit-Lévy,Bradford Benson,Gary Bernstein,E. Bertin,Jonathan Blazek,Sarah Bridle,David J. Brooks,D. Brout,E. Buckley-Geer,D. L. Burke,M. T. Busha,Antonio Campos,Diego Capozzi,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,F. J. Castander,R. Cawthon,Chihway Chang,N. Chen,M. J. Childress,Ami Choi,Christopher J. Conselice,Robert Crittenden,Martin Crocce,Carlos E. Cunha,C. B. D'Andrea,L. N. da Costa,R. Das,Tamara M. Davis,C. L. Davis,J. De Vicente,Darren L. DePoy,J. DeRose,Shantanu Desai,H. T. Diehl,J. P. Dietrich,Scott Dodelson,P. Doel,Alex Drlica-Wagner,Tim Eifler,Ann Elliott,F. Elsner,Jack Elvin-Poole,Juan Estrada,August E. Evrard,Yongqi Fang,Enrique J. Fernández,Agnès Ferté,D. A. Finley,B. Flaugher,Pablo Fosalba,Oliver Friedrich,Joshua A. Frieman,Juan Garcia-Bellido,M. Garcia-Fernandez,M. Gatti,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,M. S. S. Gill,Karl Glazebrook,Daniel A. Goldstein,Daniel Gruen,Robert A. Gruendl,J. Gschwend,G. Gutierrez,S. Hamilton,W. G. Hartley,Samuel Hinton,K. Honscheid,Ben Hoyle,Dragan Huterer,Bhuvnesh Jain,David J. James,Matt J. Jarvis,Tesla E. Jeltema,Michael D. Johnson,Marvin Johnson,T. Kacprzak,Steve Kent,A. G. Kim,Andrew J. King,D. Kirk,N. Kokron,András Kovács,Elisabeth Krause,C. Krawiec,A. Kremin,Kyler Kuehn,S. E. Kuhlmann,N. Kuropatkin,F. Lacasa,Ofer Lahav,Tianjun Li,Andrew R. Liddle,C. Lidman,Marcos Lima,Huan Lin,Niall MacCrann,Marcio A. G. Maia,Martin Makler,M. Manera,M. March,Jennifer L. Marshall,Paul Martini,Richard G. McMahon,Peter Melchior,Felipe Menanteau,Ramon Miquel,V. Miranda,D. Mudd,J. Muir,Anais Möller,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Peter Nugent,Ricardo L. C. Ogando,Antonella Palmese,John A. Peacock,Hiranya V. Peiris,John Peoples,Will J. Percival,Don Petravick,A. A. Plazas,A. Porredon,J. Prat,A. Pujol,Markus Rau,Alexandre Refregier,Paul M. Ricker,Natalie A. Roe,R. P. Rollins,A. K. Romer,A. Roodman,Rogerio Rosenfeld,A. J. Ross,E. Rozo,E. S. Rykoff,Masao Sako,Ana Salvador,S. Samuroff,Carles Sanchez,E. J. Sanchez,Basilio X. Santiago,V. Scarpine,R. H. Schindler,Daniel Scolnic,L. F. Secco,S. Serrano,I. Sevilla-Noarbe,Erin Sheldon,R. C. Smith,M. N. K. Smith,J. G. Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,Gregory Tarle,Daniel B. Thomas,Michael Troxel,Douglas L. Tucker,Brad E. Tucker,S. A. Uddin,T. N. Varga,P. Vielzeuf,Vinu Vikram,A. K. Vivas,Alistair R. Walker,M. H.L.S. Wang,Risa H. Wechsler,Jochen Weller,W. C. Wester,R. C. Wolf,Brian Yanny,Fang Yuan,Alfredo Zenteno,Bonnie Zhang,Yanxi Zhang,Joe Zuntz +199 more
TL;DR: In this paper, the cosmological results from a combined analysis of galaxy clustering and weak gravitational lensing, using 1321 deg2 of griz imaging data from the first year of the Dark Energy Survey (DES Y1), were presented.
Journal ArticleDOI
Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies and the Distant Universe
Michael R. Blanton,Matthew A. Bershady,Bela Abolfathi,Franco D. Albareti,Franco D. Albareti,Carlos Allende Prieto,Carlos Allende Prieto,Andres Almeida,Javier Alonso-García,Friedrich Anders,Scott F. Anderson,Brett H. Andrews,E. Aquino-Ortíz,Alfonso Aragón-Salamanca,Maria Argudo-Fernández,Eric Armengaud,Éric Aubourg,Vladimir Avila-Reese,Carles Badenes,Stephen Bailey,Kathleen A. Barger,Jorge K. Barrera-Ballesteros,Curtis Bartosz,Dominic Bates,Falk Baumgarten,Falk Baumgarten,Julian E. Bautista,Rachael L. Beaton,Timothy C. Beers,Francesco Belfiore,Chad F. Bender,Andreas A. Berlind,Mariangela Bernardi,Florian Beutler,Jonathan C. Bird,Dmitry Bizyaev,Dmitry Bizyaev,Guillermo A. Blanc,Michael Blomqvist,Adam S. Bolton,Médéric Boquien,Jura Borissova,Remco C. E. van den Bosch,Jo Bovy,W. N. Brandt,Jonathan Brinkmann,Joel R. Brownstein,Kevin Bundy,Kevin Bundy,Adam J. Burgasser,Etienne Burtin,Nicolás G. Busca,Michele Cappellari,Maria Leticia Delgado Carigi,Joleen K. Carlberg,Joleen K. Carlberg,Joleen K. Carlberg,Aurelio Carnero Rosell,Ricardo Carrera,Ricardo Carrera,Nancy J. Chanover,Brian Cherinka,Edmond Cheung,Yilen Gómez Maqueo Chew,Cristina Chiappini,Peter Doohyun Choi,Drew Chojnowski,Chia-Hsun Chuang,Haeun Chung,Rafael Fernando Cirolini,Nicolas Clerc,Roger E. Cohen,Johan Comparat,Johan Comparat,Luiz N. da Costa,M. C. Cousinou,Kevin R. Covey,Jeffrey D. Crane,Rupert A. C. Croft,Irene Cruz-González,Daniel Garrido Cuadra,Katia Cunha,Guillermo Damke,Guillermo Damke,Jeremy Darling,Roger L. Davies,Kyle S. Dawson,Axel de la Macorra,F. Dell'Agli,F. Dell'Agli,Nathan De Lee,Timothée Delubac,Francesco Di Mille,A. M. Diamond-Stanic,A. M. Diamond-Stanic,M. Cano-Díaz,John Donor,J. J. Downes,Niv Drory,Hélion du Mas des Bourboux,Christopher Duckworth,Tom Dwelly,Jamie Dyer,Garrett Ebelke,Arthur Eigenbrot,Daniel J. Eisenstein,Eric Emsellem,Eric Emsellem,Mike Eracleous,Stephanie Escoffier,Michael L. Evans,Xiaohui Fan,E. Fernández-Alvar,José G. Fernández-Trincado,Diane Feuillet,Alexis Finoguenov,Scott W. Fleming,Andreu Font-Ribera,Andreu Font-Ribera,Alexander Fredrickson,Gordon Freischlad,Peter M. Frinchaboy,Carla E. Fuentes,Lluís Galbany,Rafael Garcia-Dias,Rafael Garcia-Dias,D. A. García-Hernández,D. A. García-Hernández,Patrick Gaulme,Doug Geisler,Joseph D. Gelfand,Joseph D. Gelfand,Héctor Gil-Marín,Héctor Gil-Marín,Bruce Gillespie,Bruce Gillespie,Daniel Goddard,Violeta Gonzalez-Perez,Kathleen Grabowski,Paul J. Green,Catherine J. Grier,James E. Gunn,Hong Guo,Julien Guy,Alex Hagen,ChangHoon Hahn,Matthew R. Hall,Paul Harding,Sten Hasselquist,Suzanne L. Hawley,Fred Hearty,Jonay I. González Hernández,Jonay I. González Hernández,Shirley Ho,Shirley Ho,Shirley Ho,David W. Hogg,Kelly Holley-Bockelmann,Jon A. Holtzman,Parker H. Holzer,Joseph Huehnerhoff,Timothy A. Hutchinson,Ho Seong Hwang,Hector Ibarra-Medel,Gabriele da Silva Ilha,Inese I. Ivans,Ke Shawn Ivory,Ke Shawn Ivory,Kelly M. Jackson,Trey W. Jensen,Trey W. Jensen,Jennifer A. Johnson,Amy Jones,Henrik Jönsson,Henrik Jönsson,Eric Jullo,Vikrant Kamble,Karen Kinemuchi,D. Kirkby,Francisco-Shu Kitaura,Francisco-Shu Kitaura,Mark A. Klaene,Gillian R. Knapp,Jean-Paul Kneib,Jean-Paul Kneib,Juna A. Kollmeier,Ivan Lacerna,Ivan Lacerna,Rebecca Lane,Dustin Lang,David R. Law,Daniel Lazarz,Young-Bae Lee,Jean Marc Le Goff,Fu Heng Liang,Cheng Li,Cheng Li,Hongyu Li,Jianhui Lian,Marcos Lima,Lihwai Lin,Yen-Ting Lin,Sara Bertran de Lis,Sara Bertran de Lis,Chao Liu,Miguel Angel C. de Icaza Lizaola,Dan Long,Sara Lucatello,Britt Lundgren,Nicholas MacDonald,Alice Deconto Machado,Chelsea L. MacLeod,Suvrath Mahadevan,Marcio A. G. Maia,Roberto Maiolino,Steven R. Majewski,Elena Malanushenko,Viktor Malanushenko,Arturo Manchado,Arturo Manchado,Shude Mao,Shude Mao,Shude Mao,Claudia Maraston,Rui Marques-Chaves,Rui Marques-Chaves,Thomas Masseron,Thomas Masseron,Karen L. Masters,Cameron K. McBride,Richard M. McDermid,Richard M. McDermid,Brianne Meyer McGrath,Ian D. McGreer,Nicolás Medina Peña,Matthew Melendez,Andrea Merloni,Michael R. Merrifield,Szabolcs Mészáros,Andres Meza,Ivan Minchev,Dante Minniti,Takamitsu Miyaji,Surhud More,John S. Mulchaey,Francisco Müller-Sánchez,Demitri Muna,Ricardo R. Muñoz,Adam D. Myers,P. Nair,Kirpal Nandra,Janaina Correa do Nascimento,Alenka Negrete,Melissa Ness,Jeffrey A. Newman,Robert C. Nichol,David L. Nidever,Christian Nitschelm,Pierros Ntelis,Julia E. O'Connell,Ryan J. Oelkers,A. Oravetz,Daniel Oravetz,Zach Pace,Nelson Padilla,Nathalie Palanque-Delabrouille,Pedro A. Palicio,Pedro A. Palicio,Kaike Pan,John K. Parejko,Taniya Parikh,Isabelle Pâris,Changbom Park,Alim Y. Patten,Sebastien Peirani,Sebastien Peirani,Marcos Pellejero-Ibanez,Marcos Pellejero-Ibanez,Samantha J. Penny,Will J. Percival,Ismael Perez-Fournon,Ismael Perez-Fournon,Patrick Petitjean,Matthew M. Pieri,Marc H. Pinsonneault,Alice Pisani,Alice Pisani,Radosław Poleski,Francisco Prada,Francisco Prada,Abhishek Prakash,Anna B. A. Queiroz,M. Jordan Raddick,Anand Raichoor,Sandro Barboza Rembold,Hannah Richstein,Rogemar A. Riffel,Rogério Riffel,Hans-Walter Rix,Annie C. Robin,Constance M. Rockosi,Sergio Rodríguez-Torres,Sergio Rodríguez-Torres,Alexandre Roman-Lopes,Carlos Román-Zúñiga,Margarita Rosado,Ashley J. Ross,Graziano Rossi,John J. Ruan,Rossana Ruggeri,Eli S. Rykoff,Eli S. Rykoff,Salvador Salazar-Albornoz,Mara Salvato,Ariel G. Sánchez,D. S. Aguado,D. S. Aguado,José R. Sánchez-Gallego,Felipe A. Santana,Basilio X. Santiago,Conor Sayres,Ricardo P. Schiavon,J. S. Schimoia,Edward F. Schlafly,David J. Schlegel,Donald P. Schneider,Mathias Schultheis,William J. Schuster,Axel Schwope,Hee-Jong Seo,Zhengyi Shao,Shiyin Shen,Matthew Shetrone,Michael Shull,Joshua D. Simon,D. Skinner,Michael F. Skrutskie,Anže Slosar,Verne V. Smith,Jennifer Sobeck,Flavia Sobreira,G. Somers,Diogo Souto,David V. Stark,Keivan G. Stassun,Fritz Stauffer,Matthias Steinmetz,Thaisa Storchi-Bergmann,Alina Streblyanska,Alina Streblyanska,Guy S. Stringfellow,Genaro Suárez,Jing Sun,Nao Suzuki,László Szigeti,Manuchehr Taghizadeh-Popp,Baitian Tang,Charling Tao,Charling Tao,Jamie Tayar,Mita Tembe,Johanna Teske,Aniruddha R. Thakar,Daniel Thomas,Benjamin A. Thompson,Jeremy L. Tinker,Patricia B. Tissera,Rita Tojeiro,Hector Hernandez Toledo,Sylvain de la Torre,Christy Tremonti,Nicholas W. Troup,Octavio Valenzuela,Inma Martinez Valpuesta,Inma Martinez Valpuesta,Jaime Vargas-González,Mariana Vargas-Magaña,Jose Alberto Vazquez,Sandro Villanova,M. Vivek,Nicole P. Vogt,David A. Wake,David A. Wake,Rene A. M. Walterbos,Yuting Wang,Benjamin A. Weaver,Anne-Marie Weijmans,David H. Weinberg,Kyle B. Westfall,Kyle B. Westfall,D. G. Whelan,Vivienne Wild,John Wilson,W. M. Wood-Vasey,Dominika Wylezalek,Ting Xiao,Renbin Yan,Meng Yang,Jason E. Ybarra,Jason E. Ybarra,Christophe Yèche,Nadia L. Zakamska,Olga Zamora,Olga Zamora,Pauline Zarrouk,Gail Zasowski,Gail Zasowski,Gail Zasowski,Kai Zhang,Gong-Bo Zhao,Zheng Zheng,Xu Zhou,Zhimin Zhou,Guangtun Zhu,Manuela Zoccali,Hu Zou +415 more
TL;DR: SDSS-IV as mentioned in this paper is a project encompassing three major spectroscopic programs: the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA), the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), and the Time Domain Spectroscopy Survey (TDSS).
Journal ArticleDOI
Planck 2018 results. I. Overview and the cosmological legacy of Planck
Yashar Akrami,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,R. B. Barreiro,Nicola Bartolo,Soumen Basak,Richard A. Battye,K. Benabed,J.-P. Bernard,Marco Bersanelli,P. Bielewicz,J. J. Bock,J. R. Bond,Julian Borrill,François R. Bouchet,F. Boulanger,M. Bucher,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,Julien Carron,B. Casaponsa,Anthony Challinor,H. C. Chiang,L. P. L. Colombo,C. Combet,D. Contreras,B. P. Crill,F. Cuttaia,P. de Bernardis,G. de Zotti,Jacques Delabrouille,J.-M. Delouis,F.-X. Désert,E. Di Valentino,Clive Dickinson,Jose M. Diego,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,Torsten A. Enßlin,H. K. Eriksen,E. Falgarone,Yabebal Fantaye,James R. Fergusson,R. Fernandez-Cobos,Fabio Finelli,Francesco Forastieri,M. Frailis,E. Franceschi,Andrei V. Frolov,S. Galeotta,Silvia Galli,K. Ganga,Ricardo Génova-Santos,Martina Gerbino,Tuhin Ghosh,J. González-Nuevo,Krzysztof M. Gorski,Steven Gratton,Alessandro Gruppuso,Jon E. Gudmundsson,Jan Hamann,Will Handley,F. K. Hansen,George Helou,D. Herranz,E. Hivon,Zhiqi Huang,Andrew H. Jaffe,W. C. Jones,A. Karakci,E. Keihänen,Reijo Keskitalo,K. Kiiveri,J. B. Kim,Theodore Kisner,Lloyd Knox,N. Krachmalnicoff,Martin Kunz,Hannu Kurki-Suonio,Guilaine Lagache,J.-M. Lamarre,Mathieu Langer,Anthony Lasenby,Massimiliano Lattanzi,Charles R. Lawrence,M. Le Jeune,J. P. Leahy,Julien Lesgourgues,François Levrier,A. Lewis,Michele Liguori,P. B. Lilje,M. Lilley,V. Lindholm,M. López-Caniego,Philip Lubin,Yin-Zhe Ma,J. F. Macías-Pérez,Gianmarco Maggio,Davide Maino,N. Mandolesi,Anna Mangilli,A. Marcos-Caballero,Michele Maris,Peter G. Martin,E. Martínez-González,Sabino Matarrese,N. Mauri,Jason D. McEwen,P. D. Meerburg,Peter Meinhold,Alessandro Melchiorri,A. Mennella,M. Migliaccio,M. Millea,S. Mitra,M.-A. Miville-Deschênes,D. Molinari,A. Moneti,L. Montier,Gianluca Morgante,A. Moss,S. Mottet,Moritz Münchmeyer,Paolo Natoli,Hans Ulrik Nørgaard-Nielsen,Carol Anne Oxborrow,L. Pagano,D. Paoletti,Bruce Partridge,G. Patanchon,T. J. Pearson,Michael W. Peel,Hiranya V. Peiris,F. Perrotta,Valeria Pettorino,F. Piacentini,L. Polastri,G. Polenta,J.-L. Puget,Jörg P. Rachen,M. Reinecke,Mathieu Remazeilles,A. Renzi,Graca Rocha,C. Rosset,G. Roudier,Jose Alberto Rubino-Martin,B. Ruiz-Granados,L. Salvati,M. Sandri,M. Savelainen,Douglas Scott,E. P. S. Shellard,Maresuke Shiraishi,Chiara Sirignano,G. Sirri,Locke D. Spencer,R. A. Sunyaev,A.-S. Suur-Uski,J. A. Tauber,D. Tavagnacco,M. Tenti,Luca Terenzi,L. Toffolatti,M. Tomasi,T. Trombetti,J. Valiviita,B. Van Tent,L. Vibert,P. Vielva,Fabrizio Villa,Nicola Vittorio,Benjamin D. Wandelt,I. K. Wehus,Martin White,Simon D. M. White,Andrea Zacchei,Andrea Zonca +189 more
TL;DR: The European Space Agency's Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009 and scanned the microwave and submillimetre sky continuously between 12 August 2009 and 23 October 2013, producing deep, high-resolution, all-sky maps in nine frequency bands from 30 to 857GHz as mentioned in this paper.
Journal ArticleDOI
Small-Scale Challenges to the $\Lambda$CDM Paradigm.
TL;DR: For example, the observed cores of many dark-matter dominated galaxies are both less dense and less cuspy than naively predicted in the Lambda$CDM as discussed by the authors, and the number of small galaxies and dwarf satellites in the Local Group is far below the predicted count of low-mass dark matter halos and subhalos within similar volumes.
Journal ArticleDOI
The Multi-Object, Fiber-Fed Spectrographs for SDSS and the Baryon Oscillation Spectroscopic Survey
Stephen A. Smee,James E. Gunn,Alan Uomoto,Natalie A. Roe,David J. Schlegel,Constance M. Rockosi,Michael A. Carr,F. Leger,Kyle S. Dawson,Matthew D. Olmstead,Jon Brinkmann,Russell Owen,Robert H. Barkhouser,K. Honscheid,Paul Harding,Dan Long,Robert H. Lupton,Craig Loomis,Lauren Anderson,James Annis,Mariangela Bernardi,Vaishali Bhardwaj,Dmitry Bizyaev,Adam S. Bolton,Howard Brewington,John W. Briggs,Scott Burles,James G. Burns,Francisco J. Castander,Andrew J. Connolly,James R. A. Davenport,Garrett Ebelke,Harland W. Epps,Paul D. Feldman,Scott D. Friedman,Joshua A. Frieman,Timothy M. Heckman,Charles L. H. Hull,Gillian R. Knapp,David M. Lawrence,Jon Loveday,Edward J. Mannery,Elena Malanushenko,Viktor Malanushenko,A. Merrelli,Demitri Muna,Peter R. Newman,Robert C. Nichol,Daniel Oravetz,Kaike Pan,Adrian Pope,Paul G. Ricketts,Alaina Shelden,Dale Sandford,Walter A. Siegmund,Audrey Simmons,D. Smith,Stephanie A. Snedden,Donald P. Schneider,Michael A. Strauss,Mark SubbaRao,Christy Tremonti,Patrick Waddell,Donald G. York +63 more
TL;DR: In this paper, the design and performance of the multi-object fiber spectrographs for the Sloan Digital Sky Survey (SDSS) and their upgrade for the Baryon Oscillation Spectroscopic Survey (BOSS) were presented.
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Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Saul Perlmutter,Greg Aldering,Gerson Goldhaber,Gerson Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,Sebastien Fabbro,A. Goobar,A. Goobar,Donald E. Groom,I. M. Hook,I. M. Hook,A. G. Kim,A. G. Kim,A. G. Kim,M. Y. Kim,Julia C. Lee,Julia C. Lee,Nelson J. Nunes,Nelson J. Nunes,Reynald Pain,Reynald Pain,C. R. Pennypacker,C. R. Pennypacker,Robert Quimby,Christopher Lidman,Richard S. Ellis,Mike Irwin,Richard G. McMahon,Pilar Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Nino Panagia,Heidi Jo Newberg,Warrick J. Couch +44 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured using the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology project.
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Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiatti,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,R. A. Schommer,R. Chris Smith,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +20 more
TL;DR: In this article, the authors used spectral and photometric observations of 10 Type Ia supernovae (SNe Ia) in the redshift range 0.16 " z " 0.62.
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Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiattia,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,Robert A. Schommer,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +19 more
TL;DR: In this paper, the authors present observations of 10 type Ia supernovae (SNe Ia) between 0.16 0 and 4.0 sigma confidence levels, for two fitting methods respectively.
Journal ArticleDOI
Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Greg Aldering,G. Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,A. Goobar,D. E. Groom,I. M. Hook,A. G. Kim,M. Y. Kim,Julia C. Lee,Nelson J. Nunes,Reynald Pain,C. R. Pennypacker,R. M. Quimby,C. Lidman,Richard S. Ellis,Michael G. Irwin,Richard G. McMahon,P. Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Heidi Jo Newberg,W. J. Couch +31 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured by the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology Project.
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The relationship between infrared, optical, and ultraviolet extinction
TL;DR: In this article, the average extinction law over the 3.5 micron to 0.125 wavelength range was derived for both diffuse and dense regions of the interstellar medium. And the validity of the law over a large wavelength interval suggests that the processes which modify the sizes and compositions of grains are stochastic in nature.
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