First measurement of the Hubble Constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary–black-hole merger GW170814

M. Soares-Santos, S. V. Angelova, R. Birney, N. A. Lockerbie, S. Macfoy, Stuart Reid, The DES Collaboration, The LIGO Scientific Collaboration, The Virgo Collaboration

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We present a multi-messenger measurement of the Hubble constant H 0 using the binary–black-hole merger GW170814 as a standard siren, combined with a photometric redshift catalog from the Dark Energy Survey (DES). The luminosity distance is obtained from the gravitational wave signal detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO)/Virgo Collaboration (LVC) on 2017 August 14, and the redshift information is provided by the DES Year 3 data. Black hole mergers such as GW170814 are expected to lack bright electromagnetic emission to uniquely identify their host galaxies and build an object-by-object Hubble diagram. However, they are suitable for a statistical measurement, provided that a galaxy catalog of adequate depth and redshift completion is available. Here we present the first Hubble parameter measurement using a black hole merger. Our analysis results in , which is consistent with both SN Ia and cosmic microwave background measurements of the Hubble constant. The quoted 68% credible region comprises 60% of the uniform prior range [20, 140] km s−1 Mpc−1, and it depends on the assumed prior range. If we take a broader prior of [10, 220] km s−1 Mpc−1, we find  (57% of the prior range). Although a weak constraint on the Hubble constant from a single event is expected using the dark siren method, a multifold increase in the LVC event rate is anticipated in the coming years and combinations of many sirens will lead to improved constraints on H 0.
LanguageEnglish
Article numberL7
Number of pages15
JournalAstrophysical Journal
Volume876
Issue number1
DOIs
Publication statusPublished - 1 May 2019

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sirens
Hubble constant
LIGO (observatory)
interferometer
dark energy
merger
observatory
laser
galaxies
catalogs
energy
Hubble diagram
diagram
gravitational waves
luminosity
electromagnetism
microwaves

Keywords

  • Hubble Constant
  • dark energy
  • LIGO
  • Dark Energy Survey
  • DES
  • gravitational waves

Cite this

Soares-Santos, M. ; Angelova, S. V. ; Birney, R. ; Lockerbie, N. A. ; Macfoy, S. ; Reid, Stuart ; The DES Collaboration ; The LIGO Scientific Collaboration ; The Virgo Collaboration. / First measurement of the Hubble Constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary–black-hole merger GW170814. In: Astrophysical Journal. 2019 ; Vol. 876, No. 1.
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abstract = "We present a multi-messenger measurement of the Hubble constant H 0 using the binary–black-hole merger GW170814 as a standard siren, combined with a photometric redshift catalog from the Dark Energy Survey (DES). The luminosity distance is obtained from the gravitational wave signal detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO)/Virgo Collaboration (LVC) on 2017 August 14, and the redshift information is provided by the DES Year 3 data. Black hole mergers such as GW170814 are expected to lack bright electromagnetic emission to uniquely identify their host galaxies and build an object-by-object Hubble diagram. However, they are suitable for a statistical measurement, provided that a galaxy catalog of adequate depth and redshift completion is available. Here we present the first Hubble parameter measurement using a black hole merger. Our analysis results in , which is consistent with both SN Ia and cosmic microwave background measurements of the Hubble constant. The quoted 68{\%} credible region comprises 60{\%} of the uniform prior range [20, 140] km s−1 Mpc−1, and it depends on the assumed prior range. If we take a broader prior of [10, 220] km s−1 Mpc−1, we find  (57{\%} of the prior range). Although a weak constraint on the Hubble constant from a single event is expected using the dark siren method, a multifold increase in the LVC event rate is anticipated in the coming years and combinations of many sirens will lead to improved constraints on H 0.",
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First measurement of the Hubble Constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary–black-hole merger GW170814. / Soares-Santos, M.; Angelova, S. V.; Birney, R.; Lockerbie, N. A.; Macfoy, S.; Reid, Stuart; The DES Collaboration; The LIGO Scientific Collaboration; The Virgo Collaboration.

In: Astrophysical Journal, Vol. 876, No. 1, L7, 01.05.2019.

Research output: Contribution to journalArticle

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T1 - First measurement of the Hubble Constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary–black-hole merger GW170814

AU - Soares-Santos, M.

AU - Angelova, S. V.

AU - Birney, R.

AU - Lockerbie, N. A.

AU - Macfoy, S.

AU - Reid, Stuart

AU - The DES Collaboration

AU - The LIGO Scientific Collaboration

AU - The Virgo Collaboration

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PY - 2019/5/1

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AB - We present a multi-messenger measurement of the Hubble constant H 0 using the binary–black-hole merger GW170814 as a standard siren, combined with a photometric redshift catalog from the Dark Energy Survey (DES). The luminosity distance is obtained from the gravitational wave signal detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO)/Virgo Collaboration (LVC) on 2017 August 14, and the redshift information is provided by the DES Year 3 data. Black hole mergers such as GW170814 are expected to lack bright electromagnetic emission to uniquely identify their host galaxies and build an object-by-object Hubble diagram. However, they are suitable for a statistical measurement, provided that a galaxy catalog of adequate depth and redshift completion is available. Here we present the first Hubble parameter measurement using a black hole merger. Our analysis results in , which is consistent with both SN Ia and cosmic microwave background measurements of the Hubble constant. The quoted 68% credible region comprises 60% of the uniform prior range [20, 140] km s−1 Mpc−1, and it depends on the assumed prior range. If we take a broader prior of [10, 220] km s−1 Mpc−1, we find  (57% of the prior range). Although a weak constraint on the Hubble constant from a single event is expected using the dark siren method, a multifold increase in the LVC event rate is anticipated in the coming years and combinations of many sirens will lead to improved constraints on H 0.

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KW - LIGO

KW - Dark Energy Survey

KW - DES

KW - gravitational waves

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T2 - Astrophysical Journal

JF - Astrophysical Journal

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