publication . Article . Preprint . 2020

The host galaxies of 106 rapidly evolving transients discovered by the Dark Energy Survey

Pablo Fosalba; E. Bertin; Richard Kessler; C. Lidman; B. E. Tucker; D. L. Hollowood; Ramon Miquel; Daniela Carollo; N. E. Sommer; K. Honscheid; ...
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Open Access English
  • Published: 01 Jan 2020
Abstract
Rapidly evolving transients (RETs), also termed fast blue optical transients (FBOTs), are a distinct class of astrophysical event. They are characterised by lightcurves that decline much faster than common classes supernovae (SNe), span vast ranges in peak luminosity and can be seen to redshifts greater than 1. Their evolution on fast timescales has hindered high quality follow-up observations, and thus their origin and explosion/emission mechanism remains unexplained. In this paper we define the largest sample of RETs to date, comprising 106 objects from the Dark Energy Survey, and perform the most comprehensive analysis of RET host galaxies. Using deep-stacked...
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doi: 10.1093/mnras/staa2474
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::High Energy Astrophysical PhenomenaAstrophysics::Solar and Stellar AstrophysicsAstrophysics::Earth and Planetary Astrophysics
Medical Subject Headings: endocrine system
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, galaxies: abundances, galaxies: photometry, galaxies: star formation, transients: supernovae, [PHYS]Physics [physics], Astrophysics - Astrophysics of Galaxies, Photometry (optics), Spectroscopy, Redshift, Supernova, Stars, Astrophysics, Physics, Luminosity, Dark energy, Galaxy
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Funded by
EC| SPCND
Project
SPCND
Supernovae: Physics and Cosmology in the Next Decade
  • Funder: European Commission (EC)
  • Project Code: 615929
  • Funding stream: FP7 | SP2 | ERC
, RCUK| Astrophysics at Southampton
Project
Astrophysics at Southampton
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/R000506/1
  • Funding stream: STFC
, NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
Project
Collaborative Research: The Dark Energy Survey Data Management Operations
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
, EC| COGS
Project
COGS
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • 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
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