Erratum: Tidal deformabilities and radii of neutron stars from the observation of GW170817 (Physical Review Letters (2018) 121 (091102) DOI: 10.1103/PhysRevLett.121.091102)

Soumi De, Daniel Finstad, James M. Lattimer, Duncan Brown, Edo Berger, Christopher M. Biwer

Research output: Contribution to journalComment/debate

6 Citations (Scopus)

Abstract

In the Letter, we claimed that the GW170817 gravitational-wave data strongly favor models with the common equation of state assumption over those without this assumption. Our statement was based on the values of the Bayes factors that we obtained on comparing the evidences from our parameter estimation analysis of the data using the model with the common equation of state constraint against the model without the constraint. In this Erratum, we retract the statement mentioned above, and correct the Bayes factor values reported in the Letter. Our parameter estimation analysis was performed using the PyCBC Inference software [1] with the parallel-tempered emcee sampler [2-4] that samples the parameter space using an ensemble of Markov chains at different temperatures. The chains at each temperature sample from a posterior modified by the inverse temperature given by (Formula Presented). (Figure Presented). We thank Collin Capano, Reed Essick, Alexander Nitz, Steven Reyes, and Nevin Weinberg for useful discussions.

Original languageEnglish (US)
Article number259902
JournalPhysical Review Letters
Volume121
Issue number25
DOIs
StatePublished - Dec 19 2018

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neutron stars
radii
equations of state
samplers
Markov chains
inference
gravitational waves
temperature
computer programs

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Erratum : Tidal deformabilities and radii of neutron stars from the observation of GW170817 (Physical Review Letters (2018) 121 (091102) DOI: 10.1103/PhysRevLett.121.091102). / De, Soumi; Finstad, Daniel; Lattimer, James M.; Brown, Duncan; Berger, Edo; Biwer, Christopher M.

In: Physical Review Letters, Vol. 121, No. 25, 259902, 19.12.2018.

Research output: Contribution to journalComment/debate

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