Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO DataCitation formats

  • External authors:
  • Fabian Jankowski
  • Andrew Lyne
  • Benjamin Stappers
  • Patrick Weltevrede
  • et al.

Standard

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data. / Jankowski, Fabian; Keith, Michael; Lyne, Andrew; Stappers, Benjamin; Weltevrede, Patrick; et al.

In: The Astrophysical Journal, 26.06.2019.

Research output: Contribution to journalArticle

Harvard

Jankowski, F, Keith, M, Lyne, A, Stappers, B, Weltevrede, P & et al. 2019, 'Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data', The Astrophysical Journal. https://doi.org/10.3847/1538-4357/ab20cb

APA

Jankowski, F., Keith, M., Lyne, A., Stappers, B., Weltevrede, P., & et al. (2019). Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data. The Astrophysical Journal. https://doi.org/10.3847/1538-4357/ab20cb

Vancouver

Jankowski F, Keith M, Lyne A, Stappers B, Weltevrede P, et al. Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data. The Astrophysical Journal. 2019 Jun 26. https://doi.org/10.3847/1538-4357/ab20cb

Author

Jankowski, Fabian ; Keith, Michael ; Lyne, Andrew ; Stappers, Benjamin ; Weltevrede, Patrick ; et al. / Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data. In: The Astrophysical Journal. 2019.

Bibtex

@article{e7b67ae663b54483bc90c304fd497bf7,
title = "Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data",
abstract = "We present a search for gravitational waves from 221 pulsars with rotation frequencies & 10 Hz. We use advanced LIGO data from its rst and second observing runs spanning 2015{2017, which provides the highest sensitivity gravitational-wave data so far obtained. In this search we target emission from both the l = m = 2 mass quadrupole mode, with a frequency at twice that of the pulsar's rotation, and from the l = 2, m = 1 mode, with a frequency at the pulsar rotation frequency. The search finds no evidence for gravitational-wave emission from any pulsar at either frequency. For the l = m = 2 mode search, we provide updated upper limits on the gravitational-wave amplitude, mass quadrupole moment, and ducial ellipticity for 167 pulsars, and the first such limits for a further 55. For 20 young pulsars these results give limits that are below those inferred from the pulsars' spin-down. For the Crab and Vela pulsars our results constrain gravitational-wave emission to account for less than 0.017{\%} and 0.18{\%} of the spin-down luminosity, respectively. For the recycled millisecond pulsar J0711−6830 our limits are only a factor of 1.3 above the spin-down limit, assuming the canonical value of 1038 kgm2 for the star's moment of inertia, and imply a gravitational-wave derived upper limit on the star's ellipticity of 1:2x10-8. We also place new limits on the emission amplitude at the rotation frequency of the pulsars.",
keywords = "pulsars, general | stars, neutron | gravitational waves",
author = "Fabian Jankowski and Michael Keith and Andrew Lyne and Benjamin Stappers and Patrick Weltevrede and {et al.}",
year = "2019",
month = "6",
day = "26",
doi = "10.3847/1538-4357/ab20cb",
language = "English",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing, Inc.",

}

RIS

TY - JOUR

T1 - Searches for Gravitational Waves from Known Pulsars at Two Harmonics in 2015-2017 LIGO Data

AU - Jankowski, Fabian

AU - Keith, Michael

AU - Lyne, Andrew

AU - Stappers, Benjamin

AU - Weltevrede, Patrick

AU - et al.,

PY - 2019/6/26

Y1 - 2019/6/26

N2 - We present a search for gravitational waves from 221 pulsars with rotation frequencies & 10 Hz. We use advanced LIGO data from its rst and second observing runs spanning 2015{2017, which provides the highest sensitivity gravitational-wave data so far obtained. In this search we target emission from both the l = m = 2 mass quadrupole mode, with a frequency at twice that of the pulsar's rotation, and from the l = 2, m = 1 mode, with a frequency at the pulsar rotation frequency. The search finds no evidence for gravitational-wave emission from any pulsar at either frequency. For the l = m = 2 mode search, we provide updated upper limits on the gravitational-wave amplitude, mass quadrupole moment, and ducial ellipticity for 167 pulsars, and the first such limits for a further 55. For 20 young pulsars these results give limits that are below those inferred from the pulsars' spin-down. For the Crab and Vela pulsars our results constrain gravitational-wave emission to account for less than 0.017% and 0.18% of the spin-down luminosity, respectively. For the recycled millisecond pulsar J0711−6830 our limits are only a factor of 1.3 above the spin-down limit, assuming the canonical value of 1038 kgm2 for the star's moment of inertia, and imply a gravitational-wave derived upper limit on the star's ellipticity of 1:2x10-8. We also place new limits on the emission amplitude at the rotation frequency of the pulsars.

AB - We present a search for gravitational waves from 221 pulsars with rotation frequencies & 10 Hz. We use advanced LIGO data from its rst and second observing runs spanning 2015{2017, which provides the highest sensitivity gravitational-wave data so far obtained. In this search we target emission from both the l = m = 2 mass quadrupole mode, with a frequency at twice that of the pulsar's rotation, and from the l = 2, m = 1 mode, with a frequency at the pulsar rotation frequency. The search finds no evidence for gravitational-wave emission from any pulsar at either frequency. For the l = m = 2 mode search, we provide updated upper limits on the gravitational-wave amplitude, mass quadrupole moment, and ducial ellipticity for 167 pulsars, and the first such limits for a further 55. For 20 young pulsars these results give limits that are below those inferred from the pulsars' spin-down. For the Crab and Vela pulsars our results constrain gravitational-wave emission to account for less than 0.017% and 0.18% of the spin-down luminosity, respectively. For the recycled millisecond pulsar J0711−6830 our limits are only a factor of 1.3 above the spin-down limit, assuming the canonical value of 1038 kgm2 for the star's moment of inertia, and imply a gravitational-wave derived upper limit on the star's ellipticity of 1:2x10-8. We also place new limits on the emission amplitude at the rotation frequency of the pulsars.

KW - pulsars

KW - general | stars

KW - neutron | gravitational waves

U2 - 10.3847/1538-4357/ab20cb

DO - 10.3847/1538-4357/ab20cb

M3 - Article

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

ER -