Related papers: The Dark Energy Survey Supernova Program: Light cu…

Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples

We present cosmological constraints from a joint analysis of type Ia supernova (SN Ia) observations obtained by the SDSS-II and SNLS collaborations. The data set includes several low-redshift samples (z<0.1), all 3 seasons from the SDSS-II…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 M. Betoule , R. Kessler , J. Guy , J. Mosher , D. Hardin , R. Biswas , P. Astier , P. El-Hage , M. Konig , S. Kuhlmann , J. Marriner , R. Pain , N. Regnault , C. Balland , B. A. Bassett , P. J. Brown , H. Campbell , R. G. Carlberg , F. Cellier-Holzem , D. Cinabro , A. Conley , C. B. D'Andrea , D. L. DePoy , M. Doi , R. S. Ellis , S. Fabbro , A. V. Filippenko , R. J. Foley , J. A. Frieman , D. Fouchez , L. Galbany , A. Goobar , R. R. Gupta , G. J. Hill , R. Hlozek , C. J. Hogan , I. M. Hook , D. A. Howell , S. W. Jha , L. Le Guillou , G. Leloudas , C. Lidman , J. L. Marshall , A. Möller , A. M. Mourão , J. Neveu , R. Nichol , M. D. Olmstead , N. Palanque-Delabrouille , S. Perlmutter , J. L. Prieto , C. J. Pritchet , M. Richmond , A. G. Riess , V. Ruhlmann-Kleider , M. Sako , K. Schahmaneche , D. P. Schneider , M. Smith , J. Sollerman , M. Sullivan , N. A. Walton , C. J. Wheeler

SN 2010kd: Photometric and Spectroscopic Analysis of a Slow-Decaying Superluminous Supernova

This paper presents data and analysis of SN 2010kd, a low-redshift ($z = 0.101$) H-deficient superluminous supernova (SLSN), based on ultraviolet/optical photometry and optical spectroscopy spanning between $-$28 and +194 days relative to…

High Energy Astrophysical Phenomena · Physics 2020-04-01 Amit Kumar , Shashi Bhushan Pandey , Reka Konyves-Toth , Ryan Staten , Jozsef Vinko , J. Craig Wheeler , Weikang Zheng , Alexei V. Filippenko , Robert Kehoe , Robert Quimby , Yuan Fang , Carl Akerlof , Tim A. Mckay , Emmanouil Chatzopoulos , Benjamin P. Thomas , Govinda Dhungana , Amar Aryan , Raya Dastidar , Anjasha Gangopadhyay , Rahul Gupta , Kuntal Misra , Brajesh Kumar , Nameeta Brahme , David Buckley

The Young Supernova Experiment: Survey Goals, Overview, and Operations

Time domain science has undergone a revolution over the past decade, with tens of thousands of new supernovae (SNe) discovered each year. However, several observational domains, including SNe within days or hours of explosion and faint, red…

High Energy Astrophysical Phenomena · Physics 2021-03-03 D. O. Jones , R. J. Foley , G. Narayan , J. Hjorth , M. E. Huber , P. D. Aleo , K. D. Alexander , C. R. Angus , K. Auchettl , V. F. Baldassare , S. H. Bruun , K. C. Chambers , D. Chatterjee , D. L. Coppejans , D. A. Coulter , L. DeMarchi , G. Dimitriadis , M. R. Drout , A. Engel , K. D. French , A. Gagliano , C. Gall , T. Hung , L. Izzo , W. V. Jacobson-Galán , C. D. Kilpatrick , H. Korhonen , R. Margutti , S. I. Raimundo , E. Ramirez-Ruiz , A. Rest , C. Rojas-Bravo , M. R. Siebert , S. J. Smartt , K. W. Smith , G. Terreran , Q. Wang , R. Wojtak , A. Agnello , Z. Ansari , N. Arendse , A. Baldeschi , P. K. Blanchard , D. Brethauer , J. S. Bright , J. S. Brown , T. J. L. deBoer , S. A. Dodd , J. R. Fairlamb , C. Grillo , A. Hajela , C. Hede , A. N. Kolborg , J. A. P. Law-Smith , C. -C. Lin , E. A. Magnier , K. Malanchev , D. Matthews , B. Mockler , D. Muthukrishna , Y. -C. Pan , H. Pfister , D. K. Ramanah , S. Rest , A. Sarangi , S. L. Schrøder , C. Stauffer , M. C. Stroh , K. L. Taggart , S. Tinyanont , R. J. Wainscoat

Supernova rates from the SUDARE VST-Omegacam search. I

We describe the observing strategy, data reduction tools and early results of a supernova (SN) search project, named SUDARE, conducted with the ESO VST telescope aimed at measuring the rate of the different types of SNe in the redshift…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-18 E. Cappellaro , M. T. Botticella , G. Pignata , L. Grado , L. Greggio , L. Limatola , M. Vaccari , A. Baruffolo , S. Benetti , F. Bufano , M. Capaccioli , E. Cascone , G. Covone , D. De Cicco , S. Falocco , M. Della Valle , M. Jarvis , L. Marchetti , N. R. Napolitano , M. Paolillo , A. Pastorello , M. Radovich , P. Schipani , S. Spiro , L. Tomasella , M. Turatto

Cosmology from Cosmic Shear with DES Science Verification Data

We present the first constraints on cosmology from the Dark Energy Survey (DES), using weak lensing measurements from the preliminary Science Verification (SV) data. We use 139 square degrees of SV data, which is less than 3\% of the full…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-05 The Dark Energy Survey Collaboration , T. Abbott , F. B. Abdalla , S. Allam , A. Amara , J. Annis , R. Armstrong , D. Bacon , M. Banerji , A. H. Bauer , E. Baxter , M. R. Becker , A. Benoit-Lévy , R. A. Bernstein , G. M. Bernstein , E. Bertin , J. Blazek , C. Bonnett , S. L. Bridle , D. Brooks , C. Bruderer , E. Buckley-Geer , D. L. Burke , M. T. Busha , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. Chang , J. Clampitt , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , R. Das , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , A. Drlica-Wagner , G. Efstathiou , T. F. Eifler , B. Erickson , J. Estrada , A. E. Evrard , A. Fausti Neto , E. Fernandez , D. A. Finley , B. Flaugher , P. Fosalba , O. Friedrich , J. Frieman , C. Gangkofner , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , W. Hartley , M. Hirsch , K. Honscheid , E. M. Huff , B. Jain , D. J. James , M. Jarvis , T. Kacprzak , S. Kent , D. Kirk , E. Krause , A. Kravtsov , K. Kuehn , N. Kuropatkin , J. Kwan , O. Lahav , B. Leistedt , T. S. Li , M. Lima , H. Lin , N. MacCrann , M. March , J. L. Marshall , P. Martini , R. G. McMahon , P. Melchior , C. J. Miller , R. Miquel , J. J. Mohr , E. Neilsen , R. C. Nichol , A. Nicola , B. Nord , R. Ogando , A. Palmese , H. V. Peiris , A. A. Plazas , A. Refregier , N. Roe , A. K. Romer , A. Roodman , B. Rowe , E. S. Rykoff , C. Sabiu , I. Sadeh , M. Sako , S. Samuroff , C. Sánchez , E. Sanchez , H. Seo , I. Sevilla-Noarbe , E. Sheldon , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , M. A. Troxel , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , Y. Zhang , J. Zuntz

The Dark Energy Spectrometer (DESpec): A Multi-Fiber Spectroscopic Upgrade of the Dark Energy Camera and Survey for the Blanco Telescope

We describe an initiative to build and use the Dark Energy Spectrometer (DESpec), a wide-field spectroscopic survey instrument for the Blanco 4 meter telescope at Cerro Tololo InterAmerican Observatory (CTIO) in Chile. A new system with…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-13 F. Abdalla , J. Annis , D. Bacon , S. Bridle , F. Castander , M. Colless , D. DePoy , H. T. Diehl , M. Eriksen , B. Flaugher , J. Frieman , E. Gaztanaga , C. Hogan , S. Jouvel , S. Kent , D. Kirk , R. Kron , S. Kuhlmann , O. Lahav , J. Lawrence , H. Lin , J. Marriner , J. Marshall , J. Mohr , R. C. Nichol , M. Sako , W. Saunders , M. Soares-Santos , D. Thomas , R. Wechsler , A. West , H. Wu

A six year image-subtraction light curve of SN 2010jl

SN2010jl was a luminous Type IIn supernova (SN), detected in radio, optical, X-ray and hard X-rays. Here we report on its six year R- and g-band light curves obtained using the Palomar Transient Factory. The light curve was generated using…

High Energy Astrophysical Phenomena · Physics 2019-05-01 E. O. Ofek , B. Zackay , A. Gal-Yam , J. Sollerman , C. Fransson , C. Fremling , S. R. Kulkarni , P. E. Nugent , O. Yaron , M. M. Kasliwal , F. Masci , R. Laher

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

SKYSURF-4: Panchromatic HST All-Sky Surface-Brightness Measurement Methods and Results

The diffuse, unresolved sky provides most of the photons that the Hubble Space Telescope (HST) receives, yet remains poorly understood. HST Archival Legacy program SKYSURF aims to measure the 0.2-1.6 $\mu$m sky surface brightness (sky-SB)…

Instrumentation and Methods for Astrophysics · Physics 2023-05-17 Rosalia O'Brien , Timothy Carleton , Rogier A. Windhorst , Rolf A. Jansen , Delondrae Carter , Scott Tompkins , Sarah Caddy , Seth H. Cohen , Haley Abate , Richard G. Arendt , Jessica Berkheimer , Annalisa Calamida , Stefano Casertano , Simon P. Driver , Connor Gelb , Zak Goisman , Norman Grogin , Daniel Henningsen , Isabela Huckabee , Scott J. Kenyon , Anton M. Koekemoer , Darby Kramer , John Mackenty , Aaron Robotham , Steven Sherman

Destiny: A Candidate Architecture for the Joint Dark Energy Mission

Destiny is a simple, direct, low cost mission to determine the properties of dark energy by obtaining a cosmologically deep supernova (SN) type Ia Hubble diagram. Operated at L2, its science instrument is a 1.65m space telescope, featuring…

Astrophysics · Physics 2009-11-11 Dominic J. Benford , Tod R. Lauer

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 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

Constraints on dark energy with the LOSS SN Ia sample

We present a cosmological analysis of the Lick Observatory Supernova Search (LOSS) Type Ia supernova (SN Ia) photometry sample introduced by Ganeshalingam et al. (2010). These SNe provide an effective anchor point to estimate cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-04 Mohan Ganeshalingam , Weidong Li , Alexei V. Filippenko

Two years of optical and NIR observations of the superluminous supernova UID 30901 discovered by the UltraVISTA SN survey

We present deep optical and near-infrared photometry of UID 30901, a superluminous supernova (SLSN) discovered during the UltraVISTA survey. The observations were obtained with VIRCAM ($YJHK_{s}$) mounted on the VISTA telescope, DECam…

High Energy Astrophysical Phenomena · Physics 2022-04-27 Emilio D. Hueichapán , Carlos Contreras V. , Regis Cartier , Paulina Lira , Paula Sanchez-Saez , Bo Milvang-Jensen , Johan P. U. Fynbo , Joseph P. Anderson , Mario Hamuy

Photometric redshifts from SDSS images using a Convolutional Neural Network

We developed a Deep Convolutional Neural Network (CNN), used as a classifier, to estimate photometric redshifts and associated probability distribution functions (PDF) for galaxies in the Main Galaxy Sample of the Sloan Digital Sky Survey…

Instrumentation and Methods for Astrophysics · Physics 2018-12-26 Johanna Pasquet , Emmanuel Bertin , Marie Treyer , Stéphane Arnouts , Dominique Fouchez

Host Galaxy Spectra and Consequences for SN Typing From The SDSS SN Survey

We present the spectroscopy from 5254 galaxies that hosted supernovae (SNe) or other transient events in the Sloan Digital Sky Survey II (SDSS-II). Obtained during SDSS-I, SDSS-II, and the Baryon Oscillation Spectroscopic Survey (BOSS),…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Matthew D. Olmstead , Peter J. Brown , Masao Sako , Bruce Bassett , J. Brinkmann , Joel R. Brownstein , Howard Brewington , Heather Campbell , Chris B. D'Andrea , Kyle S. Dawson , Garrett L. Ebelke , Joshua A. Frieman , Lluís Galbany , Peter Garnavich , Ravi R. Gupta , Renee Hlozek , Saurabh W. Jha , Martin Kunz , Hubert Lampeitl , Elena Malanushenko , Viktor Malanushenko , John Marriner , Ramon Miquel , Antonio D. Montero-Dorta , Robert C. Nichol , Daniel J. Oravetz , Kaike Pan , Donald P. Schneider , Audrey E. Simmons , Mathew Smith , Stephanie A. Snedden

Strong lens systems search in the Dark Energy Survey using Convolutional Neural Networks

We performed a search for strong lens galaxy-scale systems in the first data release of the Dark Energy Survey (DES), from a color-selected parent sample of 18~745~029 Luminous Red Galaxies (LRGs). Our search was based on a Convolutional…

Astrophysics of Galaxies · Physics 2022-12-14 K. Rojas , E. Savary , B. Clément , M. Maus , F. Courbin , C. Lemon , J. H. H. Chan , G. Vernardos , R. Joseph , R. Cañameras , A. Galan

Supernovae photometry at OAUNI

We analyse photometric data of nine supernovae (SNe) in filters V, R and I obtained during observational campaigns at the OAUNI site in 2016, 2017 and 2023. The calibrated magnitudes of the observed SNe were compared with their respective…

High Energy Astrophysical Phenomena · Physics 2024-06-24 Miguel Espinoza , Antonio Pereyra

The Carnegie Supernova Project I: Third Photometry Data Release of Low-Redshift Type Ia Supernovae and Other White Dwarf Explosions

We present final natural system optical (ugriBV) and near-infrared (YJH) photometry of 134 supernovae (SNe) with probable white dwarf progenitors that were observed in 2004-2009 as part of the first stage of the Carnegie Supernova Project…

Instrumentation and Methods for Astrophysics · Physics 2017-11-15 Kevin Krisciunas , Carlos Contreras , Christopher R. Burns , M. M. Phillips , Maximilian D. Stritzinger , Nidia Morrell , Mario Hamuy , Jorge Anais , Luis Boldt , Luis Busta , Abdo Campillay , Sergio Castellon , Gaston Folatelli , Wendy L. Freedman , Consuelo Gonzalez , Eric. Y. Hsiao , Wojtek Krzeminski , Sven Eric Persson , Miguel Roth , Francisco Salgado , Jacqueline Seron , Nicholas B. Suntzeff , Simon Torres , Alexei V. Filippenko , Weidong Li , Barry F. Madore , D. L. DePoy , Jennifer L. Marshall , Jean-Philippe Rheault , Steven Villanueva

Sample of hydrogen-rich superluminous supernovae from the Zwicky Transient Facility

Hydrogen-rich superluminous supernovae (SLSNe II) are rare. The exact mechanism producing their extreme light curve peaks is not understood. Analysis of single events and small samples suggest that CSM interaction is the main responsible…

High Energy Astrophysical Phenomena · Physics 2025-03-24 P. J. Pessi , R. Lunnan , J. Sollerman , S. Schulze , A. Gkini , A. Gangopadhyay , L. Yan , A. Gal-Yam , D. A. Perley , T. -W. Chen , K. R. Hinds , S. J. Brennan , Y. Hu , A. Singh , I. Andreoni , D. O. Cook , C. Fremling , A. Y. Q. Ho , Y. Sharma , S. van Velzen , T. Kangas , A. Wold , E. C. Bellm , J. S. Bloom , M. J. Graham , M. M. Kasliwal , S. R. Kulkarni , R. Riddle , B. Rusholme