相关论文: Real-time Analysis and Selection Biases in the Sup…

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

The Supernova Legacy Survey

Type Ia supernovae (SNe Ia) currently provide the most direct evidence for an accelerating Universe and for the existence of an unknown "dark energy" driving this expansion. The 5-year Supernova Legacy Survey (SNLS;…

天体物理学 · 物理学 2019-08-14 Mark Sullivan

Selection Effects, Biases, and Constraints in the Calan/Tololo Supernova Survey

We use Monte Carlo simulations of the Calan/Tololo photographic supernova survey to show that a simple model of the survey's selection effects accounts for the observed distributions of recession velocity, apparent magnitude, angular…

天体物理学 · 物理学 2009-10-31 Mario Hamuy , Philip A. Pinto

Cosmology with Photometrically-Classified Type Ia Supernovae from the SDSS-II Supernova Survey

We present the cosmological analysis of 752 photometrically-classified Type Ia Supernovae (SNe Ia) obtained from the full Sloan Digital Sky Survey II (SDSS-II) Supernova (SN) Survey, supplemented with host-galaxy spectroscopy from the…

宇宙学与河外天体物理 · 物理学 2013-08-05 Heather Campbell , Chris B. D'Andrea , Robert C. Nichol , Masao Sako , Mathew Smith , Hubert Lampeitl , Matthew D. Olmstead , Bruce Bassett , Rahul Biswas , Peter Brown , David Cinabro , Kyle S. Dawson , Ben Dilday , Ryan J. Foley , Joshua A. Frieman , Peter Garnavich , Renee Hlozek , Saurabh W. Jha , Steve Kuhlmann , Martin Kunz , John Marriner , Ramon Miquel , Michael Richmond , Adam Riess , Donald P. Schneider , Jesper Sollerman , Matt Taylor , Gong-Bo Zhao

Photometric redshifts for supernovae Ia in the Supernova Legacy Survey

We present a method using the SALT2 light curve fitter to determine the redshift of Type Ia supernovae in the Supernova Legacy Survey (SNLS) based on their photometry in g', r', i' and z'. On 289 supernovae of the first three years of SNLS…

宇宙学与河外天体物理 · 物理学 2014-11-20 N. Palanque-Delabrouille , V. Ruhlmann-Kleider , S. Pascal , J. Rich , J. Guy , G. Bazin , P. Astier , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , D. Hardin , I. M. Hook , D. A. Howell , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , M. Sullivan

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

The Dark Energy Survey Supernova Program: Modelling selection efficiency and observed core collapse supernova contamination

The analysis of current and future cosmological surveys of type Ia supernovae (SNe Ia) at high-redshift depends on the accurate photometric classification of the SN events detected. Generating realistic simulations of photometric SN surveys…

宇宙学与河外天体物理 · 物理学 2021-07-14 M. Vincenzi , M. Sullivan , O. Graur , D. Brout , T. M. Davis , C. Frohmaier , L. Galbany , C. P. Gutiérrez , S. R. Hinton , R. Hounsell , L. Kelsey , R. Kessler , E. Kovacs , S. Kuhlmann , J. Lasker , C. Lidman , A. Möller , R. C. Nichol , M. Sako , D. Scolnic , M. Smith , E. Swann , P. Wiseman , J. Asorey , G. F. Lewis , R. Sharp , B. E. Tucker , M. Aguena , S. Allam , S. Avila , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , A. Choi , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , K. Kuehn , N. Kuropatkin , M. A. G. Maia , P. Martini , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchón , A. A. Plazas , A. K. Romer , E. Sanchez , V. Scarpine , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga , A. R. Walker , R. D. Wilkinson

First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Survey Overview and Supernova Spectroscopy

We present spectroscopy from the first three seasons of the Dark Energy Survey Supernova Program (DES-SN). We describe the supernova spectroscopic program in full: strategy, observations, data reduction, and classification. We have…

宇宙学与河外天体物理 · 物理学 2021-05-26 C. B. D'Andrea , M. Smith , M. Sullivan , R. C. Nichol , R. C. Thomas , A. G. Kim , A. Möller , M. Sako , F. J. Castander , A. V. Filippenko , R. J. Foley , L. Galbany , S. González-Gaitán , E. Kasai , R. P. Kirshner , C. Lidman , D. Scolnic , D. Brout , T. M. Davis , R. R. Gupta , S. R. Hinton , R. Kessler , J. Lasker , E. Macaulay , R. C. Wolf , B. Zhang , J. Asorey , A. Avelino , B. A. Bassett , J. Calcino , D. Carollo , R. Casas , P. Challis , M. Childress , A. Clocchiatti , S. Crawford , K. Glazebrook , D. A. Goldstein , M. L. Graham , J. K. Hoormann , K. Kuehn , G. F. Lewis , K. S. Mandel , E. Morganson , D. Muthukrishna , P. Nugent , Y. -C. Pan , M. Pursiainen , R. Sharp , N. E. Sommer , E. Swann , B. E. Tucker , S. A. Uddin , P. Wiseman , W. Zheng , T. M. C. Abbott , J. Annis , S. Avila , K. Bechtol , G. M. Bernstein , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. E. Cunha , L. N. da Costa , C. Davis , J. De Vicente , H. T. Diehl , T. F. Eifler , J. Estrada , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , M. W. G. Johnson , M. D. Johnson , N. Kuropatkin , T. S. Li , M. Lima , M. A. G. Maia , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , E. Neilsen , R. L. C. Ogando , A. A. Plazas , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , F. Sobreira , E. Suchyta , G. Tarle , D. L. Tucker , W. Wester

Subluminous Type Ia Supernovae at High Redshift from the Supernova Legacy Survey

The rate evolution of subluminous Type Ia Supernovae is presented using data from the Supernova Legacy Survey. This sub-sample represents the faint and rapidly-declining light-curves of the observed supernova Ia (SN Ia) population here…

宇宙学与河外天体物理 · 物理学 2015-05-20 S. Gonzalez-Gaitan , K. Perrett , M. Sullivan , A. Conley , D. A. Howell , R. G. Carlberg , P. Astier , D. Balam , C. Balland , S. Basa , D. Fouchez , J. Guy , D. Hardin , I. M. Hook , R. Pain , C. J. Pritchet , N. Regnault , J. Rich

Evolution in the Volumetric Type Ia Supernova Rate from the Supernova Legacy Survey

We present a measurement of the volumetric Type Ia supernova (SN Ia) rate (SNR_Ia) as a function of redshift for the first four years of data from the Canada-France-Hawaii Telescope (CFHT) Supernova Legacy Survey (SNLS). This analysis…

宇宙学与河外天体物理 · 物理学 2015-06-05 K. Perrett , M. Sullivan , A. Conley , S. Gonzalez-Gaitan , R. Carlberg , D. Fouchez , P. Ripoche , J. D. Neill , P. Astier , D. Balam , C. Balland , S. Basa , J. Guy , D. Hardin , I. M. Hook , D. A. Howell , R. Pain , N. Palanque-Delabrouille , C. Pritchet , N. Regnault , J. Rich , V. Ruhlmann-Kleider , S. Baumont , C. Lidman , S. Perlmutter , E. S. Walker

The ESO's VLT Type Ia supernova spectral set of the final two years of SNLS

We aim to present 70 spectra of 68 new high-redshift type Ia supernovae (SNeIa) measured at ESO's VLT during the final two years of operation (2006-2008) of the Supernova Legacy Survey (SNLS). We use the full five year SNLS VLT spectral set…

星系天体物理 · 物理学 2018-07-04 C. Balland , F. Cellier-Holzem , C. Lidman , P. Astier , M. Betoule , R. G. Carlberg , A. Conley , R. S. Ellis , J. Guy , D. Hardin , I. M. Hook , D. A. Howell , R. Pain , C. J. Pritchet , N. Regnault , M. Sullivan , V. Arsenijevic , S. Baumont , P. El-Hage , S. Fabbro , D. Fouchez , A. Mitra , A. Möller , A. M. Mourão , J. Neveu , M. Roman , V. Ruhlmann-Kleider

The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey

We present a measurement of the distant Type Ia supernova rate derived from the first two years of the Canada -- France -- Hawaii Telescope Supernova Legacy Survey. We observed four one-square degree fields with a typical temporal frequency…

天体物理学 · 物理学 2008-11-26 J. D. Neill , M. Sullivan , D. Balam , C. J. Pritchet , D. A. Howell , K. Perrett , P. Astier , E. Aubourg , S. Basa , R. G. Carlberg , A. Conley , S. Fabbro , D. Fouchez , J. Guy , I. Hook , R. Pain , N. Palanque-Delabrouille , N. Regnault , J. Rich , R. Taillet , G. Aldering , P. Antilogus , C. Balland , S. Baumont , J. Bronder , R. S. Ellis , M. Filiol , A. Goncalves , M. Kowalski , C. Lidman , V. Lusset , M. Mouchet , S. Perlmutter , P. Ripoche , D. Schlegel , C. Tao

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

Optical Cross Correlation Filters: An Economical Approach for Identifying SNe Ia and Estimating their Redshifts

Large photometric surveys of transient phenomena, such as Pan-STARRS and LSST, will locate thousands to millions of type Ia supernova candidates per year, a rate prohibitive for acquiring spectroscopy to determine each candidate's type and…

天体物理仪器与方法 · 物理学 2014-11-20 D. M. Scolnic , A. G. Riess , M. E. Huber , A. Rest , C. Stubbs , J. L. Tonry

The Rate of Type Ia Supernovae at z~0.2 from SDSS-I Overlapping Fields

In the course of the Sloan Digital Sky Survey (SDSS-I), a large fraction of the surveyed area was observed more than once due to field tiling overlap, usually at different epochs. We utilize some of these data to perform a supernova (SN)…

天体物理学 · 物理学 2009-11-13 Assaf Horesh , Dovi Poznanski , Eran O. Ofek , Dan Maoz

The Foundation Supernova Survey: Motivation, Design, Implementation, and First Data Release

The Foundation Supernova Survey aims to provide a large, high-fidelity, homogeneous, and precisely-calibrated low-redshift Type Ia supernova (SN Ia) sample for cosmology. The calibration of the current low-redshift SN sample is the largest…

高能天体物理现象 · 物理学 2018-05-02 Ryan J. Foley , Daniel Scolnic , Armin Rest , S. W. Jha , Y. -C. Pan , A. G. Riess , P. Challis , K. C. Chambers , D. A. Coulter , K. G. Dettman , M. M. Foley , O. D. Fox , M. E. Huber , D. O. Jones , C. D. Kilpatrick , R. P. Kirshner , A. S. B. Schultz , M. R. Siebert , H. A. Flewelling , B. Gibson , E. A. Magnier , J. A. Miller , N. Primak , S. J. Smartt , K. W. Smith , R. J. Wainscoat , C. Waters , M. Willman

Supernova rates from the Southern inTermediate Redshift ESO Supernova Search (STRESS)

To measure the supernova (SN) rates at intermediate redshift we performed the Southern inTermediate Redshift ESO Supernova Search (STRESS). Unlike most of the current high redshift SN searches, this survey was specifically designed to…

天体物理学 · 物理学 2009-11-13 M. T. Botticella , M. Riello , E. Cappellaro , S. Benetti , G. Altavilla , A. Pastorello , M. Turatto , L. Greggio , F. Patat , S. Valenti , L. Zampieri , A. Harutyunyan , G. Pignata , S. Taubenberger

Spectroscopic Determination of the Low Redshift Type Ia Supernova Rate from the Sloan Digital Sky Survey

Supernova rates are directly coupled to high mass stellar birth and evolution. As such, they are one of the few direct measures of the history of cosmic stellar evolution. In this paper we describe an probabilistic technique for identifying…

宇宙学与河外天体物理 · 物理学 2015-05-27 K. Simon Krughoff , Andrew Connolly , Joshua Frieman , Mark SubbaRao , Gary Kilper , Donald Schneider

The Multi-Epoch Nearby Cluster Survey: type Ia supernova rate measurement in z~0.1 clusters and the late-time delay time distribution

We describe the Multi-Epoch Nearby Cluster Survey (MENeaCS), designed to measure the cluster Type Ia supernova (SN Ia) rate in a sample of 57 X-ray selected galaxy clusters, with redshifts of 0.05 < z < 0.15. Utilizing our real time…

宇宙学与河外天体物理 · 物理学 2015-05-30 David J. Sand , Melissa L. Graham , Chris Bildfell , Dennis Zaritsky , Chris Pritchet , Henk Hoekstra , Dennis W. Just , Stéphane Herbert-Fort , Suresh Sivanandam , Ryan Foley , Andisheh Mahdavi

Verifying the Cosmological Utility of Type Ia Supernovae: Implications of a Dispersion in the Ultraviolet Spectra

We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe Ia) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopy for a sample of 36 events at intermediate redshift (z=0.5) discovered by the…

天体物理学 · 物理学 2011-03-04 R. S. Ellis , M. Sullivan , P. E. Nugent , D. A. Howell , A. Gal-Yam , P. Astier , D. Balam , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. Hardin , I. Hook , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault