publication . Other literature type . Article . Preprint . 2019

Superluminous supernovae from the Dark Energy Survey

Francisco J. Castander; T. M. C. Abbott; Marcos Lima; Karl Glazebrook; C. Frohmaier; C. Lidman; R. Casas; Santiago Avila; Pablo Fosalba; E. Bertin; ...
Open Access
  • Published: 01 Aug 2019
  • Publisher: Oxford University Press (OUP)
Abstract
We present a sample of 21 hydrogen-free superluminous supernovae (SLSNe-I), and one hydrogen-rich SLSN (SLSN-II) detected during the five-year Dark Energy Survey (DES). These SNe, located in the redshift range 0.220<z<1.998, represent the largest homogeneously-selected sample of SLSN events at high redshift. We present the observed g,r, i, z light curves for these SNe, which we interpolate using Gaussian Processes. The resulting light curves are analysed to determine the luminosity function of SLSN-I, and their evolutionary timescales. The DES SLSN-I sample significantly broadens the distribution of SLSN-I light curve properties when combined with existing sampl...
Subjects
free text keywords: astro-ph.HE, RCUK, STFC, Astrophysics - High Energy Astrophysical Phenomena, supernovae: general, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], general [supernovae], Astronomical and Space Sciences, Astronomy & Astrophysics, Space and Planetary Science, Astronomy and Astrophysics, Supernova (Estrela), Galáxias, Supernovae, Galaxies, QC, Dark energy, Astrophysics, Absolute magnitude, Data display, Light curve, Luminosity function, Redshift, Supernova, Physics
Funded by
NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
,
EC| SPCND
Project
SPCND
Supernovae: Physics and Cosmology in the Next Decade
  • Funder: European Commission (EC)
  • Project Code: 615929
  • Funding stream: FP7 | SP2 | ERC
,
EC| TESTDE
Project
TESTDE
Testing the Dark Energy Paradigm and Measuring Neutrino Mass with the Dark Energy Survey
  • Funder: European Commission (EC)
  • Project Code: 291329
  • Funding stream: FP7 | SP2 | ERC
,
EC| COGS
Project
COGS
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
,
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
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