Related papers: See Change: VLT spectroscopy of a sample of high-r…

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

Imaging and Demography of the Host Galaxies of High-Redshift Type Ia Supernovae

We present the results of a study of the host galaxies of high redshift Type Ia supernovae (SNe Ia). We provide a catalog of 18 hosts of SNe Ia observed with the Hubble Space Telescope (HST) by the High-z Supernova Search Team (HZT),…

Astrophysics · Physics 2009-11-10 Benjamin F. Williams , Craig J. Hogan , Brian Barris , Pablo Candia , Peter Challis , Alejandro Clocchiatti , Alison L. Coil , Alexei V. Filippenko , Peter Garnavich , Robert P. Kirshner , Stephen T. Holland , Saurabh Jha , Kevin Krisciunas , Bruno Leibundgut , Weidong Li , Thomas Matheson , Jose Maza , Mark M. Phillips , Adam G. Riess , Brian P. Schmidt , Robert A. Schommer , R. Chris Smith , Jesper Sollerman , Jason Spyromilio , Christopher Stubbs , Nicholas B. Suntzeff , John L. Tonry

A Fully Photometric Approach to Type Ia Supernova Cosmology in the LSST Era: Host Galaxy Redshifts and Supernova Classification

The upcoming Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) is expected to discover nearly a million Type Ia supernovae (SNeIa), offering an unprecedented opportunity to constrain dark energy. The vast majority of these…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-09 Ayan Mitra , Richard Kessler , Rebecca C. Chen , Alex Gagliano , Matthew Grayling , Surhud More , Gautham Narayan , Helen Qu , Srinivasan Raghunathan , Alex I. Malz , Michelle Lochner , The LSST Dark Energy Science Collaboration

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

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

An Efficient Approach to Obtaining Large Numbers of Distant Supernova Host Galaxy Redshifts

We use the wide-field capabilities of the 2dF fibre positioner and the AAOmega spectrograph on the Anglo-Australian Telescope (AAT) to obtain redshifts of galaxies that hosted supernovae during the first three years of the Supernova Legacy…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 C. Lidman , V. Ruhlmann-Kleider , M. Sullivan , J. Myzska , P. Dobbie , K. Glazebrook , J. Mould , P. Astier , C. Balland , M. Betoule , R. Carlberg , A. Conley , D. Fouchez , J. Guy , D. Hardin , I. Hook , D. A. Howell , R. Pain , N. Palanque-Delabrouille , K. Perrett , C. Pritchet , N. Regnault , J. Rich

Cosmological Inference from Host-Selected Type Ia Supernova Samples

We compare two Type Ia supernova (SN Ia) samples that are drawn from a spectroscopically confirmed SN Ia sample: a host-selected sample in which SNe Ia are restricted to those that have a spectroscopic redshift from the host; and a broader,…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-08 Syed A Uddin , Jeremy Mould , Chris Lidman , Vanina Ruhlmann-Kleider , Delphine Hardin

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

Evaluating Cosmological Biases using Photometric Redshifts for Type Ia Supernova Cosmology with the Dark Energy Survey Supernova Program

Cosmological analyses with Type Ia Supernovae (SNe Ia) have traditionally been reliant on spectroscopy for both classifying the type of supernova and obtaining reliable redshifts to measure the distance-redshift relation. While obtaining a…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-25 R. Chen , D. Scolnic , M. Vincenzi , E. S. Rykoff , J. Myles , R. Kessler , B. Popovic , M. Sako , M. Smith , P. Armstrong , D. Brout , T. M. Davis , L. Galbany , J. Lee , C. Lidman , A. Möller , B. O. Sánchez , M. Sullivan , H. Qu , P. Wiseman , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , F. Andrade-Oliveira , J. Annis , D. Bacon , D. Brooks , A. Carnero Rosell , J. Carretero , A. Choi , C. Conselice , L. N. da Costa , M. E. S. Pereira , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , G. Giannini , D. Gruen , R. A. Gruendl , G. Gutierrez , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , K. Kuehn , M. Lima , J. L. Marshall , J. Mena-Fernández , F. Menanteau , R. Miquel , R. L. C. Ogando , A. Palmese , A. Pieres , A. A. Plazas Malagón , A. Roodman , S. Samuroff , E. Sanchez , D. Sanchez Cid , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , C. To , D. L. Tucker , V. Vikram , N. Weaverdyck , J. Weller

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

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts. From the spectra alone, 20 candidates are…

Astrophysics · Physics 2009-11-10 C. Lidman , D. A. Howell , G. Folatelli , G. Garavini , S. Nobili , G. Aldering , R. Amanullah , P. Antilogus , P. Astier , G. Blanc , M. S. Burns , A. Conley , S. E. Deustua , M. Doi , R. Ellis , S. Fabbro , V. Fadeyev , R. Gibbons , G. Goldhaber , A. Goobar , D. E. Groom , I. Hook , N. Kashikawa , A. G. Kim , R. A. Knop , B. C. Lee , J. Mendez , T. Morokuma , K. Motohara , P. E. Nugent , R. Pain , S. Perlmutter , V. Prasad , R. Quimby , J. Raux , N. Regnault , P. Ruiz-Lapuente , G. Sainton , B. E. Schaefer , K. Schahmaneche , E. Smith , A. L. Spadafora , V. Stanishev , N. A. Walton , L. Wang , W. M. Wood-Vasey , N. Yasuda

Using Host Galaxy Photometric Redshifts to Improve Cosmological Constraints with Type Ia Supernova in the LSST Era

We perform a rigorous cosmology analysis on simulated type Ia supernovae (SN~Ia) and evaluate the improvement from including photometric host-galaxy redshifts compared to using only the "zspec" subset with spectroscopic redshifts from the…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-08 Ayan Mitra , Richard Kessler , Surhud More , Renee Hlozek , The LSST Dark Energy Science Collaboration

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

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…

Cosmology and Nongalactic Astrophysics · Physics 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

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

Hubble Space Telescope studies of low-redshift Type Ia supernovae: Evolution with redshift and ultraviolet spectral trends

We present an analysis of the maximum light, near ultraviolet (NUV; 2900-5500 A) spectra of 32 low redshift (0.001<z<0.08) Type Ia supernovae (SNe Ia), obtained with the Hubble Space Telescope (HST). We combine this spectroscopic sample…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 K. Maguire , M. Sullivan , R. S. Ellis , P. E. Nugent , D. A. Howell , A. Gal-Yam , J. Cooke , P. Mazzali , Y-C. Pan , B. Dilday , R. C. Thomas , I. Arcavi , S. Ben-Ami , D. Bersier , F. B. Bianco , B. J. Fulton , I. Hook , A. Horesh , E. Hsiao , P. A. James , P. Podsiadlowski , E. S. Walker , O. Yaron , M. M. Kasliwal , R. R. Laher , N. M. Law , E. O. Ofek , D. Poznanski , J. Surace

The Discovery of the Most Distant Known Type Ia Supernova at Redshift 1.914

We present the discovery of a Type Ia supernova (SN) at redshift $z = 1.914$ from the CANDELS multi-cycle treasury program on the \textit{Hubble Space Telescope (HST)}. This SN was discovered in the infrared using the Wide-Field Camera 3,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 David O. Jones , Steven A. Rodney , Adam G. Riess , Bahram Mobasher , Tomas Dahlen , Curtis McCully , Teddy F. Frederiksen , Stefano Casertano , Jens Hjorth , Charles R. Keeton , Anton Koekemoer , Louis-Gregory Strolger , Tommy G. Wiklind , Peter Challis , Or Graur , Brian Hayden , Brandon Patel , Benjamin J. Weiner , Alexei V. Filippenko , Peter Garnavich , Saurabh W. Jha , Robert P. Kirshner , Henry C. Ferguson , Norman A. Grogin , Dale Kocevski

A Type Ia Supernova at Redshift 1.55 in Hubble Space Telescope Infrared Observations from CANDELS

We report the discovery of a Type Ia supernova (SNIa) at redshift z=1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Steven A. Rodney , Adam G. Riess , Tomas Dahlen , Louis-Gregory Strolger , Henry C. Ferguson , Jens Hjorth , Teddy F. Frederiksen , Benjamin J. Weiner , Bahram Mobasher , Stefano Casertano , David O. Jones , Peter Challis , S. M. Faber , Alexei V. Filippenko , Peter Garnavich , Or Graur , Norman A. Grogin , Brian Hayden , Saurabh W. Jha , Robert P. Kirshner , Dale Kocevski , Anton Koekemoer , Curtis McCully , Brandon Patel , Abhijith Rajan , Claudia Scarlata

Type Ia supernova Hubble diagrams with host galaxy photometric redshifts

The case of SN Ia Hubble diagrams from photometrically selected samples using photometric SN host galaxy redshifts is investigated. The host redshift uncertainties and the contamination by core collapse SNe are addressed. As a test, we use…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-25 V. Ruhlmann-Kleider , C. Lidman , A. Möller

The influence of Host Galaxies in Type Ia Supernova Cosmology

We use a sample of 1338 spectroscopically confirmed and photometrically classified Type Ia Supernovae (SNe Ia), sourced from the CSP, CfA, SDSS-II, and SNLS supernova samples, to examine the relationships between SNe Ia and the galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-18 Syed A. Uddin , Jeremy Mould , Chris Lidman , Vanina Ruhlmann-Kleider , Bonnie R. Zhang