Related papers: Spectroscopic confirmation of high-redshift supern…

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…

Astrophysics of Galaxies · Physics 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

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra are used to determine the redshift and…

Astrophysics · Physics 2008-11-26 I. M. Hook , D. A. Howell , G. Aldering , R. Amanullah , M. S. Burns , A. Conley , S. E. Deustua , R. Ellis , S. Fabbro , V. Fadeyev , G. Folatelli , G. Garavini , R. Gibbons , G. Goldhaber , A. Goobar , D. E. Groom , A. G. Kim , R. A. Knop , M. Kowalski , C. Lidman , S. Nobili , P. E. Nugent , R. Pain , C. R. Pennypacker , S. Perlmutter , P. Ruiz-Lapuente , G. Sainton , B. E. Schaefer , E. Smith , A. L. Spadafora , V. Stanishev , R. C. Thomas , N. A. Walton , L. Wang , W. M. Wood-Vasey

SNLS Spectroscopy: Testing for Evolution in Type Ia Supernovae

Aims: We present a quantitative study of a new data set of high redshift Type Ia supernovae spectra, observed at the Gemini telescopes during the first 34 months of the Supernova Legacy Survey. During this time 123 supernovae candidates…

Astrophysics · Physics 2009-11-13 T. J. Bronder , I. M. Hook , P. Astier , D. Balam , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. A. Howell , J. D. Neill , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , M. Sullivan , S. Baumont , S. Fabbro , M. Filliol , S. Perlmutter , P. Ripoche

Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae

We present spectra of high-redshift supernovae (SNe) that were taken with the Subaru low resolution optical spectrograph, FOCAS. These SNe were found in SN surveys with Suprime-Cam on Subaru, the CFH12k camera on the Canada-France-Hawaii…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Tomoki Morokuma , Kouichi Tokita , Christopher Lidman , Mamoru Doi , Naoki Yasuda , Greg Aldering , Rahman Amanullah , Kyle Barbary , Kyle Dawson , Vitaliy Fadeyev , Hannah K. Fakhouri , Gerson Goldhaber , Ariel Goobar , Takashi Hattori , Junji Hayano , Isobel M. Hook , D. Andrew Howell , Hisanori Furusawa , Yutaka Ihara , Nobunari Kashikawa , Rob A. Knop , Kohki Konishi , Joshua Meyers , Takeshi Oda , Reynald Pain , Saul Perlmutter , David Rubin , Anthony L. Spadafora , Nao Suzuki , Naohiro Takanashi , Tomonori Totani , Hiroyuki Utsunomiya , Lifan Wang

Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Two Years

We present the results of spectroscopic observations of targets discovered during the first two years of the ESSENCE project. The goal of ESSENCE is to use a sample of ~200 Type Ia supernovae (SNe Ia) at moderate redshifts (0.2 < z < 0.8)…

Astrophysics · Physics 2009-11-10 T. Matheson , S. Blondin , R. J. Foley , R. Chornock , A. V. Filippenko , B. Leibundgut , R. C. Smith , J. Sollerman , J. Spyromilio , R. P. Kirshner , A. Clocchiatti , C. Aguilera , B. Barris , A. C. Becker , P. Challis , R. Covarrubias , P. Garnavich , M. Hicken , S. Jha , K. Krisciunas , W. Li , A. Miceli , G. Miknaitis , J. L. Prieto , A. Rest , A. G. Riess , M. E. Salvo , B. P. Schmidt , C. W. Stubbs , N. B. Suntzeff , J. L. Tonry

The ESO/VLT 3rd year Type Ia supernova data set from the Supernova Legacy Survey

We present 139 spectra of 124 Type Ia supernovae (SNeIa) that were observed at the ESO/VLT during the first three years of the Canada-France-Hawai Telescope (CFHT) Supernova Legacy Survey (SNLS). This homogeneous data set is used to test…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 C. Balland , S. Baumont , S. Basa , M. Mouchet , D. A. Howell , P. Astier , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. Hardin , I. M. Hook , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , J. Rich , M. Sullivan , P. Antilogus , V. Arsenijevic , J. Le Du , S. Fabbro , C. Lidman , A. Mourao , N. Palanque-Delabrouille , E. Pecontal , V. Ruhlmann-Kleider

Spectroscopic observations of eight supernovae at intermediate redshift

We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova type identification and phase…

Astrophysics · Physics 2009-11-13 C. Balland , M. Mouchet , R. Amanullah , P. Astier , S. Fabbro , G. Folatelli , G. Garavini , A. Goobar , D. Hardin , M. J. Irwin , R. G. McMahon , A. -M. Mourao , S. Nobili , R. Pain , R. Pascoal , J. Raux , G. Sainton , K. Schahmaneche , N. A. Walton

Subaru Spectroscopy of SDSS-II Supernovae

The Sloan Digital Sky Survey II (SDSS-II) Supernova Survey discovered Type Ia supernovae (SNe Ia) in an almost unexplored intermediate redshift range of $0.05 < z < 0.4$ and provided densely sampled multi-color light curves for SN…

Cosmology and Nongalactic Astrophysics · Physics 2011-01-11 Kohki Konishi , Naoki Yasuda , Kouichi Tokita , Mamoru Doi , Yutaka Ihara , Tomoki Morokuma , Naohiro Takanashi , Jakob Nordin , John Marriner , Linda Östman , Michael Richmond , Masao Sako , Donald P. Schneider , J. Craig Wheeler

Photometric selection of high-redshift type Ia supernovae

We present a method for selecting high-redshift type Ia supernovae (SNe Ia) located via rolling SN searches. The technique, using both color and magnitude information of events from only 2-3 epochs of multi-band real-time photometry, is…

Astrophysics · Physics 2008-11-26 M. Sullivan , D. A. Howell , K. Perrett , P. Nugent , P. Astier , E. Aubourg , D. Balam , S. Basa , R. Carlberg , A. Conley , S. Fabbro , D. Fouchez , J. Guy , I. Hook , H. Lafoux , J. D. Neill , R. Pain , N. Palanque-Delabrouille , C. Pritchet , N. Regnault , J. Rich , R. Taillet , G. Aldering , S. Baumont , J. Bronder , M. Filiol , R. Knop , S. Perlmutter , C. Tao

Optical Spectra of Type Ia Supernovae at z=0.46 and z=1.2

We present optical spectra, obtained with the Keck 10-m telescope, of two high-redshift type Ia supernovae (SNe Ia) discovered by the High-z Supernova Search Team: SN 1999ff at z=0.455 and SN 1999fv at z~1.2, the highest-redshift published…

Astrophysics · Physics 2009-10-31 Alison L. Coil , Thomas Matheson , Alexei V. Filippenko , Douglas C. Leonard , John Tonry , Adam G. Riess , Peter Challis , Alejandro Clocchiatti , Peter M. Garnavich , Craig J. Hogan , Saurabh Jha , Robert P. Kirshner , B. Leibundgut , M. M. Phillips , Brian P. Schmidt , Robert A. Schommer , R. Chris Smith , Alicia M. Soderberg , J. Spyromilio , Christopher Stubbs , Nicholas B. Suntzeff , Patrick Woudt

Spectroscopy of twelve Type Ia supernovae at intermediate redshift

We present spectra of twelve Type Ia supernovae obtained in 1999 at the William Herschel Telescope and the Nordic Optical Telescope during a search for Type Ia supernovae (SN Ia) at intermediate redshift. The spectra range from z=0.178 to…

Astrophysics · Physics 2009-11-11 C. Balland , M. Mouchet , R. Pain , N. A. Walton , R. Amanullah , P. Astier , R. S. Ellis , S. Fabbro , A. Goobar , D. Hardin , I. M. Hook , M. J. Irwin , R. M. McMahon , J. M. Mendez , P. Ruiz-Lapuente , G. Sainton , K. Schahmaneche , V. Stanishev

Measurements of the Rate of Type Ia Supernovae at Redshift z < ~0.3 from the SDSS-II Supernova Survey

We present a measurement of the volumetric Type Ia supernova (SN Ia) rate based on data from the Sloan Digital Sky Survey II (SDSS-II) Supernova Survey. The adopted sample of supernovae (SNe) includes 516 SNe Ia at redshift z \lesssim 0.3,…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-07 Benjamin Dilday , Mathew Smith , Bruce Bassett , Andrew Becker , Ralf Bender , Francisco Castander , David Cinabro , Alexei V. Filippenko , Joshua A. Frieman , Lluis Galbany , Peter M. Garnavich , Ariel Goobar , Ulrich Hopp , Yutaka Ihara , Saurabh W. Jha , Richard Kessler , Hubert Lampeitl , John Marriner , Ramon Miquel , Mercedes Molla , Robert C. Nichol , Jakob Nordin , Adam G. Riess , Masao Sako , Donald P. Schneider , Jesper Sollerman , J. Craig Wheeler , Linda Ostman , Dmitry Bizyaev , Howard Brewington , Elena Malanushenko , Viktor Malanushenko , Dan Oravetz , Kaike Pan , Audrey Simmons , Stephanie Snedden

See Change: VLT spectroscopy of a sample of high-redshift Type Ia supernova host galaxies

The Supernova Cosmology Project has conducted the `See Change' programme, aimed at discovering and observing high-redshift (1.13 $\leq$ z $\leq$ 1.75) Type Ia supernovae (SNe Ia). We used multi-filter Hubble Space Telescope (HST)…

Astrophysics of Galaxies · Physics 2020-05-27 S. C. Williams , I. M. Hook , B. Hayden , J. Nordin , G. Aldering , K. Boone , A. Goobar , C. E. Lidman , S. Perlmutter , D. Rubin , P. Ruiz-Lapuente , C. Saunders

Two Type Ia Supernovae at Redshift ~2 : Improved Classification and Redshift Determination with Medium-band Infrared Imaging

We present two supernovae (SNe) discovered with the Hubble Space Telescope (HST) in the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS), an HST multi-cycle treasury program. We classify both objects as Type Ia SNe…

Cosmology and Nongalactic Astrophysics · Physics 2016-02-17 Steven A. Rodney , Adam G. Riess , Daniel M. Scolnic , David O. Jones , Shoubaneh Hemmati , Alberto Molino , Curtis McCully , Bahram Mobasher , Louis-Gregory Strolger , Or Graur , Brian Hayden , Stefano Casertano

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

First-Year Spectroscopy for the SDSS-II Supernova Survey

This paper presents spectroscopy of supernovae discovered in the first season of the Sloan Digital Sky Survey-II Supernova Survey. This program searches for and measures multi-band light curves of supernovae in the redshift range z = 0.05 -…

Astrophysics · Physics 2008-11-26 Chen Zheng , Roger W. Romani , Masao Sako , John Marriner , Bruce Bassett , Andrew Becker , Changsu Choi , David Cinabro , Fritz DeJongh , Darren L. Depoy , Ben Dilday , Mamoru Doi , Joshua A. Frieman , Peter M. Garnavich , Craig J. Hogan , Jon Holtzman , Myungshin Im , Saurabh Jha , Richard Kessler , Kohki Konishi , Hubert Lampeitl , Jennifer L. Marshall , David McGinnis , Gajus Miknaitis , Robert C. Nichol , Jose Luis Prieto , Adam G. Riess , Michael W. Richmond , Donald P. Schneider , Mathew Smith , Naohiro Takanashi , Kouichi Tokita , Kurt van der Heyden , Naoki Yasuda , Roberto J. Assef , John Barentine , Ralf Bender , Roger D. Blandford , Malcolm Bremer , Howard Brewington , Chris A. Collins , Arlin Crotts , Jack Dembicky , Jason Eastman , Alastair Edge , Ed Elson , Michael E. Eyler , Alexei V. Filippenko , Ryan J. Foley , Stephan Frank , Ariel Goobar , Michael Harvanek , Ulrich Hopp , Yutaka Ihara , Steven Kahn , William Ketzeback , Scott J. Kleinman , Wolfram Kollatschny , Jurek Krzesiński , Giorgos Leloudas , Daniel C. Long , John Lucey , Elena Malanushenko , Viktor Malanushenko , Russet J. McMillan , Christopher W. Morgan , Tomoki Morokuma , Atsuko Nitta , Linda Ostman , Kaike Pan , A. Kathy Romer , Gabrelle Saurage , Katie Schlesinger , Stephanie A. Snedden , Jesper Sollerman , Maximilian Stritzinger , Linda C. Watson , Shannon Watters , J. Craig Wheeler , Donald York

The HST See Change Program: I. Survey Design, Pipeline, and Supernova Discoveries

The See Change survey was designed to make $z>1$ cosmological measurements by efficiently discovering high-redshift Type Ia supernovae (SNe Ia) and improving cluster mass measurements through weak lensing. This survey observed twelve galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-19 Brian Hayden , David Rubin , Kyle Boone , Greg Aldering , Jakob Nordin , Mark Brodwin , Susana Deustua , Sam Dixon , Parker Fagrelius , Andy Fruchter , Peter Eisenhardt , Anthony Gonzalez , Ravi Gupta , Isobel Hook , Chris Lidman , Kyle Luther , Adam Muzzin , Zachary Raha , Pilar Ruiz-Lapuente , Clare Saunders , Caroline Sofiatti , Adam Stanford , Nao Suzuki , Tracy Webb , Steven C. Williams , Gillian Wilson , Mike Yen , Rahman Amanullah , Kyle Barbary , Hans Bohringer , Greta Chappell , Carlos Cunha , Miles Currie , Rene Fassbender , Michael Gladders , Ariel Goobar , Hendrik Hildenrandt , Henk Hoekstra , Xiaosheng Huang , Dragan Huterer , M. James Jee , Alex Kim , Marek Kowalski , Eric Linder , Joshua E. Meyers , Reynald Pain , Saul Perlmutter , Johan Richard , Piero Rosati , Eduardo Rozo , Eli Rykoff , Joana Santos , Anthony Spadafora , Daniel Stern , Risa Wechsler , The Supernova Cosmology Project

Detection and classification of supernovae beyond z~2 redshift with the James Webb Space Telescope

Future time-domain surveys for transient events in the near- and mid-infrared bands will significantly extend our understanding about the physics of the early Universe. In this paper we study the implications of a deep (~27 mag), long-term…

High Energy Astrophysical Phenomena · Physics 2019-04-10 Eniko Regos , Jozsef Vinko

An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters

We present a new survey strategy to discover and study high redshift Type Ia supernovae (SNe Ia) using the Hubble Space Telescope (HST). By targeting massive galaxy clusters at 0.9<z<1.5, we obtain a twofold improvement in the efficiency of…

Cosmology and Nongalactic Astrophysics · Physics 2010-03-23 K. S. Dawson , G. Aldering , R. Amanullah , K. Barbary , L. F. Barrientos , M. Brodwin , N. Connolly , A. Dey , M. Doi , M. Donahue , 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 , X. Huang , Y. Ihara , B. T. Jannuzi , D. Johnston , K. Kashikawa , B. Koester , K. Konishi , M. Kowalski , C. Lidman , E. V. Linder , L. Lubin , J. Meyers , T. Morokuma , F. Munshi , C. Mullis , T. Oda , N. Panagia , S. Perlmutter , M. Postman , T. Pritchard , J. Rhodes , P. Rosati , D. Rubin , D. J. Schlegel , A. Spadafora , S. A. Stanford , V. Stanishev , D. Stern , M. Strovink , N. Suzuki , N. Takanashi , K. Tokita , M. Wagner , L. Wang , N. Yasuda , H. K. C. Yee

Photometric Identification of Type Ia Supernovae at Moderate Redshift

Large photometric surveys with the aim of identifying many Type Ia supernovae (SNe) at moderate redshift are challenged in separating these SNe from other SN types. We are motivated to identify Type Ia SNe based only on broadband…

Astrophysics · Physics 2008-11-26 Benjamin D. Johnson , Arlin P. S. Crotts