相关论文: Confronting quintessence models with recent high-r…

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…

宇宙学与河外天体物理 · 物理学 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

Calibrating the effective magnitudes of type Ia supernovae with a model-independent method

This research explores the correlation between the absolute magnitude and the redshift of Type Ia supernovae (SNe Ia) with a model-independent approach. The Pantheon sample of SNe Ia and strong gravitational lensing systems (SGLS) are used.…

宇宙学与河外天体物理 · 物理学 2023-10-19 Jian Hu , Jian-Ping Hu , Zhongmu Li , Wenchang Zhao , Jing Chen

Fitting of supernovae without dark energy

With data from Pantheon, we have at our disposal a sample of more than a thousand supernovae Ia covering a wide range of redshifts with good precision. Here we make fits to the corresponding Hubble--Lema\^itre diagram with various…

宇宙学与河外天体物理 · 物理学 2022-12-07 M. Lopez-Corredoira , J. I. Calvo-Torel

On the relationship between Type Ia supernova luminosity and host-galaxy properties

A string of recent studies has debated the exact form and physical origin of an evolutionary trend between the peak luminosity of Type Ia supernovae (SNe Ia) and the properties of the galaxies that host them. We shed new light on the…

宇宙学与河外天体物理 · 物理学 2021-04-14 Yukei S. Murakami , Benjamin E. Stahl , Keto D. Zhang , Matthew R. Chu , Emma C. McGinness , Kishore C. Patra , Alexei V. Filippenko

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…

宇宙学与河外天体物理 · 物理学 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

Testing the coincidence problem with strong gravitational lens, Type Ia supernovae and Hubble parameter observational data

In this paper, we use three different kinds of observational data, including 130 strong gravitational lensing (SGL) systems, type Ia supernovae (SNeIa: Pantheon and Union2.1) and 31 Hubble parameter data points ($H(z)$) from cosmic…

宇宙学与河外天体物理 · 物理学 2022-11-16 Jing-Wang Diao , Yu Pan , Wenxiao Xu

Testing Models of Intrinsic Brightness Variations in Type Ia Supernovae, and their Impact on Measuring Cosmological Parameters

For spectroscopically confirmed Type Ia supernovae we evaluate models of intrinsic brightness variations with detailed data/Monte Carlo comparisons of the dispersion in the following quantities: Hubble-diagram scatter, color difference…

宇宙学与河外天体物理 · 物理学 2015-06-11 Richard Kessler , Julien Guy , John Marriner , Marc Betoule , Jon Brinkmann , David Cinabro , Patrick El-Hage , Joshua Frieman , Saurabh Jha , Jennifer Mosher , Donald P. Schneider

The Supernova Legacy Survey: Measurement of Omega_M, Omega_Lambda and w from the First Year Data Set

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color light-curves measured using the…

天体物理学 · 物理学 2015-01-27 P. Astier , J. Guy , N. Regnault , R. Pain , E. Aubourg , D. Balam , S. Basa , R. G. Carlberg , S. Fabbro , D. Fouchez , I. M. Hook , D. A. Howell , H. Lafoux , J. D. Neill , N. Palanque-Delabrouille , K. Perrett , C. J. Pritchet , J. Rich , M. Sullivan , R. Taillet , G. Aldering , P. Antilogus , V. Arsenijevic , C. Balland , S. Baumont , J. Bronder , H. Courtois , R. S. Ellis , M. Filiol , A. C. Goncalves , A. Goobar , D. Guide , D. Hardin , V. Lusset , C. Lidman , R. McMahon , M. Mouchet , A. Mourao , S. Perlmutter , P. Ripoche , C. Tao , N. Walton

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…

天体物理学 · 物理学 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

The Rise Time of Type Ia Supernovae from the Supernova Legacy Survey

We compare the rise times of nearby and distant Type Ia supernovae (SNe Ia) as a test for evolution using 73 high-redshift spectroscopically-confirmed SNe Ia from the first two years of the five year Supernova Legacy Survey (SNLS) and…

天体物理学 · 物理学 2008-11-26 A. Conley , D. A. Howell , A. Howes , M. Sullivan , P. Astier , D. Balam , S. Basa , R. G. Carlberg , D. Fouchez , J. Guy , I. Hook , J. D. Neill , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , J. Rich , R. Taillet , E. Aubourg , J. Bronder , R. S. Ellis , S. Fabbro , M. Filiol , D. Le Borgne , N. Palanque-Delabrouille , S. Perlmutter , P. Ripoche

Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

We present observations of 10 type Ia supernovae (SNe Ia) between 0.16 < z < 0.62. With previous data from our High-Z Supernova Search Team, this expanded set of 16 high-redshift supernovae and 34 nearby supernovae are used to place…

天体物理学 · 物理学 2008-11-26 Adam G. Riess , Alexei V. Filippenko , Peter Challis , Alejandro Clocchiattia , Alan Diercks , Peter M. Garnavich , Ron L. Gilliland , Craig J. Hogan , Saurabh Jha , Robert P. Kirshner , B. Leibundgut , M. M. Phillips , David Reiss , Brian P. Schmidt , Robert A. Schommer , R. Chris Smith , J. Spyromilio , Christopher Stubbs , Nicholas B. Suntzeff , John Tonry

The Pantheon+ Analysis: The Full Dataset and Light-Curve Release

Here we present 1701 light curves of 1550 spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological parameters as part of the Pantheon+ SN analysis and the SH0ES (Supernovae and H0 for the Equation of…

宇宙学与河外天体物理 · 物理学 2022-10-26 Dan Scolnic , Dillon Brout , Anthony Carr , Adam G. Riess , Tamara M. Davis , Arianna Dwomoh , David O. Jones , Noor Ali , Pranav Charvu , Rebecca Chen , Erik R. Peterson , Brodie Popovic , Benjamin M. Rose , Charlotte Wood , Peter J. Brown , Ken Chambers , David A. Coulter , Kyle G. Dettman , Georgios Dimitriadis , Alexei V. Filippenko , Ryan J. Foley , Saurabh W. Jha , Charles D. Kilpatrick , Robert P. Kirshner , Yen-Chen Pan , Armin Rest , Cesar Rojas-Bravo , Matthew R. Siebert , Benjamin E. Stahl , WeiKang Zheng

Spectra and Light Curves of Six Type Ia Supernovae at 0.511 < z < 1.12 and the Union2 Compilation

We report on work to increase the number of well-measured Type Ia supernovae (SNe Ia) at high redshifts. Light curves, including high signal-to-noise HST data, and spectra of six SNe Ia that were discovered during 2001 are presented.…

宇宙学与河外天体物理 · 物理学 2011-02-15 R. Amanullah , C. Lidman , D. Rubin , G. Aldering , P. Astier , K. Barbary , M. S. Burns , A. Conley , K. S. Dawson , S. E. Deustua , M. Doi , S. Fabbro , L. Faccioli , H. K. Fakhouri , G. Folatelli , A. S. Fruchter , H. Furusawa , G. Garavini , G. Goldhaber , A. Goobar , D. E. Groom , I. Hook , D. A. Howell , N. Kashikawa , A. G. Kim , R. A. Knop , M. Kowalski , E. Linder , J. Meyers , T. Morokuma , S. Nobili , J. Nordin , P. E. Nugent , L. Ostman , R. Pain , N. Panagia , S. Perlmutter , J. Raux , P. Ruiz-Lapuente , A. L. Spadafora , M. Strovink , N. Suzuki , L. Wang , W. M. Wood-Vasey , N. Yasuda

The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Cur vature of the Universe Using Type Ia Supernovae

The High-Z Supernova Search is an international collaboration to discover and monitor type Ia supernovae (SN Ia) at $z > 0.2$ with the aim of measuring cosmic deceleration and global curvature. Our collaboration has pursued a basic…

天体物理学 · 物理学 2009-10-30 Brian P. Schmidt , Nicholas B. Suntzeff , M. M. Phillips , Robert A. Schommer , Alejandro Clocchiatti , Robert P. Kirshner , Peter Garnavich , Peter Challis , B. Leibundgut , J. Spyromilio , Adam G. Riess , Alexei V. Filippenko , Mario Hamuy , R. Chris Smith , Craig Hogan , Christopher Stubbs , Alan Diercks , David Reiss , Ron Gilliland , John Tonry , Jose Maza , A. Dressler , J. Walsh , R. Ciardullo

Observational Constraints on a Variable Dark Energy Model

We study the effect of a phenomenological parameterized quintessence model on low, intermediate and high redshift observations. At low and intermediate redshifts, we use the Gold sample of supernova Type Ia (SNIa) data and recently observed…

天体物理学 · 物理学 2009-11-13 M. Sadegh Movahed , Sohrab Rahvar

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant supernovae, the latter being observed by…

天体物理学 · 物理学 2011-07-18 J. Guy , P. Astier , S. Baumont , D. Hardin , R. Pain , N. Regnault , S. Basa , R. G. Carlberg , A. Conley , S. Fabbro , D. Fouchez , I. M. Hook , D. A. Howell , K. Perrett , C. J. Pritchet , J. Rich , M. Sullivan , P. Antilogus , E. Aubourg , G. Bazin , J. Bronder , M. Filiol , N. Palanque-Delabrouille , P. Ripoche , V. Ruhlmann-Kleider

Information-theoretic model selection applied to supernovae data

There are several different theoretical ideas invoked to explain the dark energy with relatively little guidance of which one of them might be right. Therefore the emphasis of ongoing and forthcoming research in this field shifts from…

天体物理学 · 物理学 2010-10-27 Marek Biesiada

Explosion Models for Type Ia Supernovae: A Comparison with Observed Light Curves, distances, H_o and q_o

Theoretical monochromatic light curves and photospheric expansion velocities are compared with observations of 27 Type Ia supernovae (SNe Ia). A set of 37 models has been considered which encompasses all currently discussed explosion…

天体物理学 · 物理学 2016-08-30 P. Hoeflich , A. Khokkhlov

The First Type Ia Supernovae: An Empirical Approach to Taming Evolutionary Effects In Dark Energy Surveys from SNe Ia at z>2

Future measurements of the nature of dark energy using Type Ia supernovae will require a precise characterization of systematic sources of error. Evolutionary effects remain the most uncertain contributor to the overall systematic error…

天体物理学 · 物理学 2016-08-30 Adam G Riess , Mario Livio

Cosmological models from quintessence

A generalized quintessence model is presented which corresponds to a richer vacuum structure that, besides a time-dependent, slowly varying scalar field, contains a varying cosmological term. From first principles we determine a number of…

天体物理学 · 物理学 2009-10-31 Pedro F. Gonzalez-Diaz