Related papers: SNLS: Overview and High-z Spectroscopy

First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Analysis, Systematic Uncertainties, and Validation

We present the analysis underpinning the measurement of cosmological parameters from 207 spectroscopically classified type Ia supernovae (SNe Ia) from the first three years of the Dark Energy Survey Supernova Program (DES-SN), spanning a…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-04 D. Brout , D. Scolnic , R. Kessler , C. B. D'Andrea , T. M. Davis , R. R. Gupta , S. R. Hinton , A. G. Kim , J. Lasker , C. Lidman , E. Macaulay , A. Möller , R. C. Nichol , M. Sako , M. Smith , M. Sullivan , B. Zhang , P. Andersen , J. Asorey , A. Avelino , B. A. Bassett , P. Brown , J. Calcino , D. Carollo , P. Challis , M. Childress , A. Clocchiatti , A. V. Filippenko , R. J. Foley , L. Galbany , K. Glazebrook , J. K. Hoormann , E. Kasai , R. P. Kirshner , K. Kuehn , S. Kuhlmann , G. F. Lewis , K. S. Mandel , M. March , V. Miranda , E. Morganson , D. Muthukrishna , P. Nugent , A. Palmese , Y. -C. Pan , R. Sharp , N. E. Sommer , E. Swann , R. C. Thomas , B. E. Tucker , S. A. Uddin , W. Wester , T. M. C. Abbott , S. Allam , J. Annis , S. Avila , K. Bechtol , G. M. Bernstein , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , L. N. da Costa , C. Davis , J. De Vicente , D. L. DePoy , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , J. Estrada , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , D. Gruen , R. A. Gruendl , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , M. Jarvis , T. Jeltema , E. Krause , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , J. Marriner , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , R. L. C. Ogando , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , E. Sanchez , B. Santiago , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , M. A. Troxel , D. L. Tucker , V. Vikram , A. R. Walker , Y. Zhang

Constraining R$_V$ Variation Using Highly Reddened Type Ia Supernovae from the Pantheon+ Sample

Type Ia supernovae (SNe Ia) are powerful tools for measuring the expansion history of the universe, but the impact of dust around SNe Ia remains unknown and is a critical systematic uncertainty. One way to improve our empirical description…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-14 Benjamin M. Rose , Brodie Popovic , Dan Scolnic , Dillon Brout

Lensing and Supernovae: Quantifying The Bias on the Dark Energy Equation of State

The gravitational magnification and demagnification of Type Ia supernovae (SNe) modify their positions on the Hubble diagram, shifting the distance estimates from the underlying luminosity-distance relation. This can introduce a systematic…

Astrophysics · Physics 2008-05-01 Devdeep Sarkar , Alexandre Amblard , Daniel E. Holz , Asantha Cooray

Results from the Supernova Photometric Classification Challenge

We report results from the Supernova Photometric Classification Challenge (SNPCC), a publicly released mix of simulated supernovae (SNe), with types (Ia, Ibc, and II) selected in proportion to their expected rate. The simulation was…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-03 Richard Kessler , Bruce Bassett , Pavel Belov , Vasudha Bhatnagar , Heather Campbell , Alex Conley , Joshua A. Frieman , Alexandre Glazov , Santiago Gonzalez-Gaitan , Renee Hlozek , Saurabh Jha , Stephen Kuhlmann , Martin Kunz , Hubert Lampeitl , Ashish Mahabal , James Newling , Robert C. Nichol , David Parkinson , Ninan Sajeeth Philip , Dovi Poznanski , Joseph W. Richards , Steven A. Rodney , Masao Sako , Donald P. Schneider , Mathew Smith , Maximilian Stritzinger , Melvin Varughese

HOLISMOKES XVII: Detecting strongly lensed SNe Ia from time series of multi-band LSST-like imaging data

Strong gravitationally lensed supernovae (LSNe), though rare, are exceptionally valuable probes for cosmology and astrophysics. Upcoming time-domain surveys like the Vera Rubin Observatory's Legacy Survey of Space and Time (LSST) offer a…

Instrumentation and Methods for Astrophysics · Physics 2026-03-04 Satadru Bag , Raoul Canameras , Sherry H. Suyu , Stefan Schuldt , Stefan Taubenberger , Irham Taufik Andika , Alejandra Melo

DES13S2cmm: The First Superluminous Supernova from the Dark Energy Survey

We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and…

High Energy Astrophysical Phenomena · Physics 2015-06-23 A. Papadopoulos , C. B. D'Andrea , M. Sullivan , R. C. Nichol , K. Barbary , R. Biswas , P. J. Brown , R. A. Covarrubias , D. A. Finley , J. A. Fischer , R. J. Foley , D. Goldstein , R. R. Gupta , R. Kessler , E. Kovacs , S. E. Kuhlmann , C. Lidman , M. March , P. E. Nugent , M. Sako , R. C. Smith , H. Spinka , W. Wester , T. M. C. Abbott , F. Abdalla , S. S. Allam , M. Banerji , J. P. Bernstein , R. A. Bernstein , A. Carnero , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , T. Eifler , A. E. Evrard , B. Flaugher , J. A. Frieman , D. Gerdes , D. Gruen , K. Honscheid , D. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. A. G. Maia , M. Makler , J. L. Marshall , K. W. Merritt , C. J. Miller , R. Miquel , R. Ogando , A. A. Plazas , N. A. Roe , A. K. Romer , E. Rykoff , E. Sanchez , B. X. Santiago , V. Scarpine , M. Schubnell , I. Sevilla , M. Soares- Santos , E. Suchyta , M. Swanson , G. Tarle , J. Thaler , D. L. Tucker , R. H. Wechsler , J. Zuntz

Improving the Calibration of Type Ia Supernovae Using Late-time Lightcurves

The use of Type Ia supernovae (SNe Ia) as cosmological standard candles is a key to solving the mystery of dark energy. Improving the calibration of SNe Ia increases their power as cosmological standard candles. We find tentative evidence…

Astrophysics · Physics 2009-06-23 Yun Wang , Nicholas Hall

Searching for Bumps in the Cosmological Road: Do Type Ia Supernovae with Early Excesses Have Biased Hubble Residuals?

Flux excesses in the early time light curves of Type Ia supernovae (SNe\,Ia) are predicted by multiple theoretical models and have been observed in a number of nearby SNe\,Ia over the last decade. However, the astrophysical processes that…

High Energy Astrophysical Phenomena · Physics 2024-02-07 Christine Ye , David O. Jones , Willem B. Hoogendam , Benjamin J. Shappee , Suhail Dhawan , Sammy N. Sharief

Selecting superluminous supernovae in faint galaxies from the first year of the Pan-STARRS1 Medium Deep Survey

The Pan-STARRS1 (PS1) survey has obtained imaging in 5 bands (grizy_P1) over 10 Medium Deep Survey (MDS) fields covering a total of 70 square degrees. This paper describes the search for apparently hostless supernovae (SNe) within the first…

High Energy Astrophysical Phenomena · Physics 2015-06-18 M. McCrum , S. J. Smartt , A. Rest , K. Smith , R. Kotak , S. A. Rodney , D. R. Young , R. Chornock , E. Berger , R. J. Foley , M. Fraser , D. Wright , D. Scolnic , J. L. Tonry , Y. Urata , K. Huang , A. Pastorello , M. T. Botticella , S. Valenti , S. Mattila , E. Kankare , D. J. Farrow , M. E. Huber , C. W. Stubbs , R. P. Kirshner , F. Bresolin , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , R. Jedicke , N. Kaiser , E. A. Magnier , N. Metcalfe , J. S. Morgan , P. A. Price , W. Sweeney , R. J. Wainscoat , C. Waters

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…

Cosmology and Nongalactic Astrophysics · Physics 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

Not Color Blind: Using Multiband Photometry to Classify Supernovae

Large numbers of supernovae (SNe) have been discovered in recent years, and many more will be found in the near future. Once discovered, further study of a SN and its possible use as an astronomical tool (e.g., as a distance estimator)…

Astrophysics · Physics 2009-11-07 Dovi Poznanski , Avishay Gal-Yam , Dan Maoz , Alexei V. Filippenko , Douglas C. Leonard , Thomas Matheson

Studying Type II supernovae as cosmological standard candles using the Dark Energy Survey

Despite vast improvements in the measurement of the cosmological parameters, the nature of dark energy and an accurate value of the Hubble constant (H$_0$) in the Hubble-Lema\^itre law remain unknown. To break the current impasse, it is…

High Energy Astrophysical Phenomena · Physics 2020-05-27 T. de Jaeger , L. Galbany , S. González-Gaitán , R. Kessler , A. V. Filippenko , F. Förster , M. Hamuy , P. J. Brown , T. M. Davis , C. P. Gutiérrez , C. Inserra , G F. Lewis , A. Möller , D. Scolnic , M. Smith , D. Brout , D. Carollo , R. J. Foley , K. Glazebrook , S. R. Hinton , E. Macaulay , B. Nichol , M. Sako , N. E. Sommer , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , S. Avila , E. Bertin , S. Bhargava , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Costanzi , M. Crocce , L. N. da Costa , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , J. Estrada , S. Everett , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , T. S. Li , M. Lima , M. A. G. Maia , F. Menanteau , R. Miquel , A. Palmese , F. Paz-Chinchón , A. A. Plazas , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , T. N. Varga , A. R. Walker , J. Weller , R. Wilkinson

The Hubble Space Telescope Cluster Supernova Survey: III. Correlated Properties of Type Ia Supernovae and Their Hosts at 0.9 < z < 1.46

Using the sample of Type Ia supernovae (SNe Ia) discovered by the Hubble Space Telescope (HST) Cluster Supernova Survey and augmented with HST-observed SNe Ia in the GOODS fields, we search for correlations between the properties of SNe and…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 J. Meyers , G. Aldering , K. Barbary , L. F. Barrientos , M. Brodwin , K. S. Dawson , S. Deustua , M. Doi , P. Eisenhardt , L. Faccioli , H. K. Fakhouri , A. S. Fruchter , D. G. Gilbank , M. D. Gladders , G. Goldhaber , A. H. Gonzalez , T. Hattori , E. Hsiao , Y. Ihara , N. Kashikawa , B. Koester , K. Konishi , C. Lidman , L. Lubin , T. Morokuma , T. Oda , S. Perlmutter , M. Postman , P. Ripoche , P. Rosati , D. Rubin , E. Rykoff , A. Spadafora , S. A. Stanford , N. Suzuki , N. Takanashi , K. Tokita , N. Yasuda

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

First Cosmology Results using Type Ia Supernova from the Dark Energy Survey: Simulations to Correct Supernova Distance Biases

We describe catalog-level simulations of Type Ia supernova (SN~Ia) light curves in the Dark Energy Survey Supernova Program (DES-SN), and in low-redshift samples from the Center for Astrophysics (CfA) and the Carnegie Supernova Project…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 R. Kessler , D. Brout , C. B. D'Andrea , T. M. Davis , S. R. Hinton , A. G. Kim , J. Lasker , C. Lidman , E. Macaulay , A. Möller , M. Sako , D. Scolnic , M. Smith , M. Sullivan , B. Zhang , P. Andersen , J. Asorey , A. Avelino , J. Calcino , D. Carollo , P. Challis , M. Childress , A. Clocchiatti , S. Crawford , A. V. Filippenko , R. J. Foley , K. Glazebrook , J. K. Hoormann , E. Kasai , R. P. Kirshner , G. F. Lewis , K. S. Mandel , M. March , E. Morganson , D. Muthukrishna , P. Nugent , Y. -C. Pan , N. E. Sommer , E. Swann , R. C. Thomas , B. E. Tucker , S. A. Uddin , T. M. C. Abbott , S. Allam , J. Annis , S. Avila , M. Banerji , K. Bechtol , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Crocce , 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. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , M. W. G. Johnson , M. D. Johnson , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , B. Nord , A. A. Plazas , A. Roodman , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Soares-Santos , F. Sobreira , E. Suchyta , G. Tarle , D. Thomas , A. R. Walker , Y. Zhang

The Energy Sources of Superluminous Supernovae

Supernovae (SNe) are the most brilliant optical stellar-class explosions. Over the past two decades, several optical transient survey projects discovered more than $\sim 100$ so-called superluminous supernovae (SLSNe) whose peak…

High Energy Astrophysical Phenomena · Physics 2019-05-15 S. Q. Wang , L. J. Wang , Z. G. Dai

ZTF Early Observations of Type Ia Supernovae I: Properties of the 2018 Sample

Early-time observations of Type Ia supernovae (SNe Ia) are essential to constrain their progenitor properties. In this paper, we present high-quality light curves of 127 SNe Ia discovered by the Zwicky Transient Facility (ZTF) in 2018. We…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Yuhan Yao , Adam A. Miller , S. R. Kulkarni , Mattia Bulla , Frank J. Masci , Daniel A. Goldstein , Ariel Goobar , Peter Nugent , Alison Dugas , Nadia Blagorodnova , James D. Neill , Michael Rigault , Jesper Sollerman , J. Nordin , Eric C. Bellm , S. Bradley Cenko , Kishalay De , Suhail Dhawan , Ulrich Feindt , C. Fremling , Pradip Gatkine , Matthew J. Graham , Melissa L. Graham , Anna Y. Q. Ho , T. Hung , Mansi M. Kasliwal , Thomas Kupfer , Russ R. Laher , Daniel A. Perley , Ben Rusholme , David L. Shupe , Maayane T. Soumagnac , K. Taggart , Richard Walters , Lin Yan

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…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 D. M. Scolnic , A. G. Riess , M. E. Huber , A. Rest , C. Stubbs , J. L. Tonry

The Discovery of a Gravitationally Lensed Supernova Ia at Redshift 2.22

We present the discovery and measurements of a gravitationally lensed supernova (SN) behind the galaxy cluster MOO J1014+0038. Based on multi-band Hubble Space Telescope and Very Large Telescope (VLT) photometry of the supernova, and VLT…

Astrophysics of Galaxies · Physics 2018-10-24 David Rubin , Brian Hayden , Xiaosheng Huang , Greg Aldering , Rahman Amanullah , Kyle Barbary , Kyle Boone , Mark Brodwin , Susana E. Deustua , Sam Dixon , Peter Eisenhardt , Andrew S. Fruchter , Anthony H. Gonzalez , Ariel Goobar , Ravi R. Gupta , Isobel Hook , M. James Jee , Alex G. Kim , Marek Kowalski , Chris E. Lidman , Eric Linder , Kyle Luther , Jakob Nordin , Reynald Pain , Saul Perlmutter , Zachary Raha , Mickael Rigault , Pilar Ruiz-Lapuente , Clare M. Saunders , Caroline Sofiatti , Anthony L. Spadafora , S. Adam Stanford , Daniel Stern , Nao Suzuki , Steven C. Williams

Fuzzy Supernova Templates II: Parameter Estimation

Wide field surveys will soon be discovering Type Ia supernovae (SNe) at rates of several thousand per year. Spectroscopic follow-up can only scratch the surface for such enormous samples, so these extensive data sets will only be useful to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Steven A. Rodney , John L. Tonry