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Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II

We present the second and final release of optical spectroscopy of Type Ia Supernovae (SNe Ia) obtained during the first and second phases of the Carnegie Supernova Project (CSP-I and CSP-II). The newly released data consist of 148 spectra…

High Energy Astrophysical Phenomena · Physics 2024-05-08 N. Morrell , M. M. Phillips , G. Folatelli , M. D. Stritzinger , M. Hamuy , N. B. Suntzeff , E. Y. Hsiao , F. Taddia , C. R. Burns , P. Hoeflich , C. Ashall , C. Contreras , L. Galbany , J. Lu , A. L. Piro , J. Anais , E. Baron , A. Burrow , L. Busta , A. Campillay , S. Castellón , C. Corco , T. Diamond , W. L. Freedman , C. González , K. Krisciunas , S. Kumar , S. E. Persson , J. Serón , M. Shahbandeh , S. Torres , S. A. Uddin , J. P. Anderson , C. Baltay , C. Gall , A. Goobar , E. Hadjiyska , S. Holmbo , M. Kasliwal , C. Lidman , G. H. Marion , P. Mazzali , P. Nugent , S. Perlmutter , G. Pignata , D. Rabinowitz , M. Roth , S. D. Ryder , B. J. Shappee , J. Vinkó , J. C. Wheeler , T. de Jaeger , P. Lira , M. T. Ruiz , J. A. Rich , J. L. Prieto , F. Di Mille , D. Osip , G. Blanc , P. Palunas

Measuring Type Ia Supernova Distances and Redshifts From Their Multi-band Light Curves

The distance and redshift of a type Ia supernova can be determined simultaneously through its multi-band light curves. This fact may be used for imaging surveys that discover and obtain photometry for large numbers of supernovae; so many…

Astrophysics · Physics 2008-11-26 Alex G. Kim , Ramon Miquel

Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program

Shifting the focus of Type Ia supernova (SN Ia) cosmology to the near-infrared (NIR) is a promising way to significantly reduce the systematic errors, as the strategy minimizes our reliance on the empirical width-luminosity relation and…

Solar and Stellar Astrophysics · Physics 2018-12-05 E. Y. Hsiao , M. M. Phillips , G. H. Marion , R. P. Kirshner , N. Morrell , D. J. Sand , C. R. Burns , C. Contreras , P. Hoeflich , M. D. Stritzinger , S. Valenti , J. P. Anderson , C. Ashall , C. Baltay , E. Baron , D. P. K. Banerjee , S. Davis , T. R. Diamond , G. Folatelli , Wendy L. Freedman , F. Förster , L. Galbany , C. Gall , S. González-Gaitán , A. Goobar , M. Hamuy , S. Holmbo , M. M. Kasliwal , K. Krisciunas , S. Kumar , C. Lidman , J. Lu , P. E. Nugent , S. Perlmutter , S. E. Persson , A. L. Piro , D. Rabinowitz , M. Roth , S. D. Ryder , B. P. Schmidt , M. Shahbandeh , N. B. Suntzeff , F. Taddia , S. Uddin , L. Wang

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…

Astrophysics · Physics 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

Snapshot Distances to Type Ia Supernovae -- All in ``One'' Night's Work

We present an empirical method which measures the distance to a Type Ia supernova (SN Ia) with a precision of ~ 10% from a single night's data. This method measures the supernova's age and luminosity/light-curve parameter from a spectrum,…

Astrophysics · Physics 2009-10-30 Adam G. Riess , Peter Nugent , Alexei V. Filippenko , Robert P. Kirshner , Saul Perlmutter

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.…

Cosmology and Nongalactic Astrophysics · Physics 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

Carnegie Supernova Project: Observations of Type IIn supernovae

The observational diversity displayed by various Type IIn supernovae (SNe IIn) is explored and quantified. In doing so, a more coherent picture ascribing the variety of observed SNe IIn types to particular progenitor scenarios is sought.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 F. Taddia , M. D. Stritzinger , J. Sollerman , M. M. Phillips , J. P. Anderson , L. Boldt , A. Campillay , S. Castellón , C. Contreras , G. Folatelli , M. Hamuy , E. Heinrich-Josties , W. Krzeminski , N. Morrell , C. R. Burns , W. L. Freedman , B. F. Madore , S. E. Persson , N. B. Suntzeff

Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Project

This is the first release of optical spectroscopic data of low-redshift Type Ia supernovae (SNe Ia) by the Carnegie Supernova Project including 604 previously unpublished spectra of 93 SNe Ia. The observations cover a range of phases from…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-05 Gastón Folatelli , Nidia Morrell , Mark M. Phillips , Eric Hsiao , Abdo Campillay , Carlos Contreras , Sergio Castellón , Mario Hamuy , Wojtek Krzeminski , Miguel Roth , Maximilian Stritzinger , Christopher R. Burns , Wendy L. Freedman , Barry F. Madore , David Murphy , S. E. Persson , José L. Prieto , Nicholas B. Suntzeff , Kevin Krisciunas , Joseph P. Anderson , Francisco Förster , José Maza , Giuliano Pignata , P. Andrea Rojas , Luis Boldt , Francisco Salgado , Pamela Wyatt , Felipe Olivares E. , Avishay Gal-Yam , Masao Sako

First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Photometric Pipeline and Light Curve Data Release

We present griz light curves of 251 Type Ia Supernovae (SNe Ia) from the first 3 years of the Dark Energy Survey Supernova Program's (DES-SN) spectroscopically classified sample. The photometric pipeline described in this paper produces the…

Instrumentation and Methods for Astrophysics · Physics 2019-06-04 D. Brout , M. Sako , D. Scolnic , R. Kessler , C. B. D'Andrea , T. M. Davis , S. R. Hinton , A. G. Kim , J. Lasker , E. Macaulay , A. Möller , R. C. Nichol , M. Smith , M. Sullivan , R. C. Wolf , S. Allam , B. A. Bassett , P. Brown , F. J. Castander , M. Childress , R. J. Foley , L. Galbany , K. Herner , E. Kasai , M. March , E. Morganson , P. Nugent , Y. -C. Pan , R. C. Thomas , B. E. Tucker , W. Wester , T. M. C. Abbott , J. Annis , S. Avila , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Crocce , C. E. Cunha , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. A. Goldstein , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , J. L. Marshall , P. Martini , R. Miquel , B. Nord , A. A. Plazas , A. Roodman , E. S. Rykoff , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , A. R. Walker , B. Yanny , Y. Zhang

Optical and near-infrared photometry of 94 type II supernovae from the Carnegie Supernova Project

Type II supernovae (SNeII) mark the endpoint in the lives of hydrogen-rich massive stars. Their large explosion energies and luminosities allow us to measure distances, metallicities, and star formation rates into the distant Universe. To…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-10 J. P. Anderson , C. Contreras , M. D. Stritzinger , M. Hamuy , M. M. Phillips , N. B. Suntzeff , N. Morrell , S. Gonzalez-Gaitan , C. P. Gutierrez , C. R. Burns , E. Y. Hsiao , J. Anais , C. Ashall , C. Baltay , E. Baron , M. Bersten , L. Busta , S. Castellon , T. de Jaeger , D. DePoy , A. V. Filippenko , G. Folatelli , F. Forster , L. Galbany , C. Gall , A. Goobar , C. Gonzalez , E. Hadjiyska , P. Hoeflich , K. Krisciunas , W. Krzeminski , W. Li , B. Madore , J. Marshall , L. Martinez , P. Nugent , P. J. Pessi , A. L. Piro , J-P. Rheault , S. Ryder , J. Seron , B. J. Shappee , F. Taddia , S. Torres , J. Thomas-Osip , S. Uddin

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…

Astrophysics · Physics 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

The First Data Release of CNIa0.02 -- A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves

The CNIa0.02 project aims to collect a complete, nearby sample of Type Ia supernovae (SNe Ia) light curves, and the SNe are volume-limited with host-galaxy redshifts z_host < 0.02. The main scientific goal is to infer the distributions of…

High Energy Astrophysical Phenomena · Physics 2022-12-29 Ping Chen , Subo Dong , C. S. Kochanek , K. Z. Stanek , R. S. Post , M. D. Stritzinger , J. L. Prieto , Alexei V. Filippenko , Juna A. Kollmeier , N. Elias-Rosa , Boaz Katz , Lina Tomasella , S. Bose , Chris Ashall , S. Benetti , D. Bersier , Joseph Brimacombe , Thomas G. Brink , P. Brown , David A. H. Buckley , Enrico Cappellaro , Grant W. Christie , Morgan Fraser , Mariusz Gromadzki , Thomas W. -S. Holoien , Shaoming Hu , Erkki Kankare , Robert Koff , P. Lundqvist , S. Mattila , P. A. Milne , Nidia Morrell , J. A. Munoz , Robert Mutel , Tim Natusch , Joel Nicolas , A. Pastorello , Simon Prentice , Tyler Roth , B. J. Shappee , Geoffrey Stone , Todd A. Thompson , Steven Villanueva , WeiKang Zheng

Carnegie Supernova Project: kinky $i$-band light-curves of Type Ia supernovae

We present detailed investigation of a specific $i$-band light-curve feature in Type Ia supernovae (SNe Ia) using the rapid cadence and high signal-to-noise ratio light-curves obtained by the Carnegie Supernova Project. The feature is…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-22 P. J. Pessi , E. Y. Hsiao , G. Folatelli , J. P. Anderson , C. R. Burns , S. Uddin , L. Galbany , M. M. Phiilips , N. Morrell , C. Ashall , E. Baron , C. Contreras , M. Hamuy , P. Hoeflich , K. Krisciunas , S. Kumar , J. Lu , L. Martinez , A. L. Piro , M. Shahbandeh , M. D. Stritzinger , N. B. Suntzeff

Supercal: Cross-Calibration of Multiple Photometric Systems to Improve Cosmological Measurements with Type Ia Supernovae

Current cosmological analyses which use Type Ia supernova (SN Ia) observations combine SN samples to expand the redshift range beyond that of a single sample and increase the overall sample size. The inhomogeneous photometric calibration…

Instrumentation and Methods for Astrophysics · Physics 2015-12-23 D. Scolnic , S. Casertano , A. G. Riess , A. Rest , E. Schlafly , R. J. Foley , D. Finkbeiner , C. Tang , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , K. W. Hodapp , M. E. Huber , N. Kaiser , R. P. Kudritzki , E. A. Magnier , N. Metcalfe , C. W. Stubbs

The Fall 2004 SDSS Supernova Survey

In preparation for the Supernova Survey of the Sloan Digital Sky Survey (SDSS) II, a proposed 3-year extension to the SDSS, we have conducted an early engineering and science run during the fall of 2004, which consisted of approximately 20…

Astrophysics · Physics 2008-11-26 Masao Sako , Roger Romani , Josh Frieman , Jen Adelman-McCarthy , Andrew Becker , Fritz DeJongh , Ben Dilday , Juan Estrada , John Hendry , Jon Holtzman , Jared Kaplan , Rick Kessler , Hubert Lampeitl , John Marriner , Gajus Miknaitis , Adam Riess , Douglas Tucker , J. Barentine , R. Blandford , H. Brewington , J. Dembicky , M. Harvanek , S. Hawley , C. Hogan , D. Johnston , S. Kahn , B. Ketzeback , S. Kleinman , J. Krzesinski , D. Lamenti , D. Long , R. McMillan , P. Newman , A. Nitta , R. Nichol , R. Scranton , E. Sheldon , S. Snedden , C. Stoughton , D. York , the SDSS Collaboration

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…

High Energy Astrophysical Phenomena · Physics 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

The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample

We present optical light curves, redshifts, and classifications for 365 spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Survey. We detail improvements to the PS1 SN photometry,…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 D. M. Scolnic , D. O. Jones , A. Rest , Y. C. Pan , R. Chornock , R. J. Foley , M. E. Huber , R. Kessler , G. Narayan , A. G. Riess , S. Rodney , E. Berger , D. J. Brout , P. J. Challis , M. Drout , D. Finkbeiner , R. Lunnan , R. P. Kirshner , N. E. Sanders , E. Schlafly , S. Smartt , C. W. Stubbs , J. Tonry , W. M. Wood-Vasey , M. Foley , J. Hand , E. Johnson , W. S. Burgett , K. C. Chambers , P. W. Draper , K. W. Hodapp , N. Kaiser , R. P. Kudritzki , E. A. Magnier , N. Metcalfe , F. Bresolin , E. Gall , R. Kotak , M. McCrum , K. W. Smith

CfA3: 185 Type Ia Supernova Light Curves from the CfA

We present multi-band photometry of 185 type-Ia supernovae (SN Ia), with over 11500 observations. These were acquired between 2001 and 2008 at the F. L. Whipple Observatory of the Harvard-Smithsonian Center for Astrophysics (CfA). This…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-22 Malcolm Hicken , Peter Challis , Saurabh Jha , Robert P. Kirshner , Tom Matheson , Maryam Modjaz , Armin Rest , W. Michael Wood-Vasey

The QUEST-La Silla AGN Variability Survey

We present the characterization and initial results from the QUEST-La Silla AGN variability survey. This is an effort to obtain well sampled optical light curves in extragalactic fields with unique multi-wavelength observations. We present…

Astrophysics of Galaxies · Physics 2015-09-23 Régis Cartier , Paulina Lira , Paolo Coppi , Paula Sánchez , Patricia Arévalo , Franz E. Bauer , David Rabinowitz , Robert Zinn , Ricardo R. Muñoz , Nicolás Meza

Precision measurements of large scale structure with future type Ia supernova surveys

Type Ia supernovae are currently the best known standard candles at cosmological distances. In addition to providing a powerful probe of dark energy they are an ideal source of information about the peculiar velocity field of the local…

Astrophysics · Physics 2009-06-23 Steen Hannestad , Troels Haugboelle , Bjarne Thomsen