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Journal Articles Monthly Notices of the Royal Astronomical Society Year : 2021

The first Hubble diagram and cosmological constraints using superluminous supernovae

C. Inserra
  • Function : Author
M. Sullivan
  • Function : Author
C.R. Angus
  • Function : Author
E. Macaulay
  • Function : Author
R.C. Nichol
  • Function : Author
M. Smith
  • Function : Author
C. Frohmaier
  • Function : Author
C.P. Gutiérrez
  • Function : Author
D. Brout
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P.J. Brown
  • Function : Author
T.M. Davis
  • Function : Author
C.B. d'Andrea
  • Function : Author
L. Galbany
  • Function : Author
R. Kessler
  • Function : Author
A.G. Kim
  • Function : Author
Y.-C. Pan
  • Function : Author
M. Pursiainen
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D. Scolnic
  • Function : Author
B.P. Thomas
  • Function : Author
P. Wiseman
  • Function : Author
T.M.C. Abbott
  • Function : Author
J. Annis
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S. Avila
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D. Brooks
  • Function : Author
D.L. Burke
  • Function : Author
A. Carnero Rosell
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M. Carrasco Kind
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J. Carretero
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F.J. Castander
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R. Cawthon
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J. de Vicente
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S. Desai
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H.T. Diehl
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T.F. Eifler
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D.A. Finley
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B. Flaugher
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P. Fosalba
J. Frieman
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J. Garcia-Bellido
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E. Gaztanaga
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D.W. Gerdes
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T. Giannantonio
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D. Gruen
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R.A. Gruendl
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J. Gschwend
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G. Gutierrez
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D.L. Hollowood
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K. Honscheid
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D.J. James
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E. Krause
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K. Kuehn
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N. Kuropatkin
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T.S. Li
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C. Lidman
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M. Lima
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M.A.G. Maia
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J.L. Marshall
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P. Martini
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F. Menanteau
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R. Miquel
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A.A. Plazas Malagón
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A.K. Romer
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A. Roodman
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M. Sako
  • Function : Author
E. Sanchez
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V. Scarpine
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M. Schubnell
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S. Serrano
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I. Sevilla-Noarbe
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M. Soares-Santos
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F. Sobreira
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E. Suchyta
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M.E.C. Swanson
  • Function : Author
G. Tarle
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D. Thomas
  • Function : Author
D.L. Tucker
  • Function : Author
V. Vikram
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A.R. Walker
  • Function : Author
Y. Zhang
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J. Asorey
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J. Calcino
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D. Carollo
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K. Glazebrook
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S.R. Hinton
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J.K. Hoormann
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G.F. Lewis
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R. Sharp
  • Function : Author
E. Swann
  • Function : Author
B.E. Tucker
  • Function : Author

Abstract

We present the first Hubble diagram of superluminous supernovae (SLSNe) out to a redshift of two, together with constraints on the matter density, Ω_M, and the dark energy equation-of-state parameter, w(≡p/ρ). We build a sample of 20 cosmologically useful SLSNe I based on light curve and spectroscopy quality cuts. We confirm the robustness of the peak–decline SLSN I standardization relation with a larger data set and improved fitting techniques than previous works. We then solve the SLSN model based on the above standardization via minimization of the χ^2 computed from a covariance matrix that includes statistical and systematic uncertainties. For a spatially flat Λ cold dark matter (ΛCDM) cosmological model, we find |$\Omega _{\rm M}=0.38^{+0.24}_{-0.19}$|⁠, with an rms of 0.27 mag for the residuals of the distance moduli. For a w_0CDM cosmological model, the addition of SLSNe I to a ‘baseline’ measurement consisting of Planck temperature together with Type Ia supernovae, results in a small improvement in the constraints of w_0 and w_a of 4 per cent. We present simulations of future surveys with 868 and 492 SLSNe I (depending on the configuration used) and show that such a sample can deliver cosmological constraints in a flat ΛCDM model with the same precision (considering only statistical uncertainties) as current surveys that use Type Ia supernovae, while providing a factor of 2–3 improvement in the precision of the constraints on the time variation of dark energy, w_0 and w_a. This paper represents the proof of concept for superluminous supernova cosmology, and demonstrates they can provide an independent test of cosmology in the high-redshift (z > 1) universe.
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hal-02572608 , version 1 (12-08-2022)

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C. Inserra, M. Sullivan, C.R. Angus, E. Macaulay, R.C. Nichol, et al.. The first Hubble diagram and cosmological constraints using superluminous supernovae. Monthly Notices of the Royal Astronomical Society, 2021, 504 (2), pp.2535-2549. ⟨10.1093/mnras/stab978⟩. ⟨hal-02572608⟩
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