2019
De, Soumi; Biwer, Christopher M.; Capano, Collin D.; Nitz, Alexander H.; Brown, Duncan A.
Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run Journal Article
In: Scientific Data, vol. 6, pp. 81, 2019.
Links | BibTeX | Tags: Data Analysis, Gravitation
@article{De2019,
title = {Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run},
author = {Soumi De and Christopher M. Biwer and Collin D. Capano and Alexander H. Nitz and Duncan A. Brown },
url = {https://www.nature.com/articles/s41597-019-0086-6},
year = {2019},
date = {2019-06-03},
journal = {Scientific Data},
volume = {6},
pages = {81},
keywords = {Data Analysis, Gravitation},
pubstate = {published},
tppubtype = {article}
}
2018
De, Soumi; Finstad, Daniel; Lattimer, James; Brown, Duncan; Berger, Edo; Biwer, Christopher
Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817 Journal Article
In: Phys. Rev. Lett., vol. 121, pp. 091102, 2018.
Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation
@article{PhysRevLett.121.091102,
title = {Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817},
author = {Soumi De and Daniel Finstad and James Lattimer and Duncan Brown and Edo Berger and Christopher Biwer},
url = {https://link.aps.org/doi/10.1103/PhysRevLett.121.091102},
doi = {10.1103/PhysRevLett.121.091102},
year = {2018},
date = {2018-08-01},
journal = {Phys. Rev. Lett.},
volume = {121},
pages = {091102},
publisher = {American Physical Society},
keywords = {Cosmology & Astrophysics, Gravitation},
pubstate = {published},
tppubtype = {article}
}
Cabero, Miriam; Capano, Collin; Fischer-Birnholtz, Ofek; Krishnan, Badri; Nielsen, Alex; Nitz, Alexander; Biwer, Christopher
Observational tests of the black hole area increase law Journal Article
In: Phys. Rev. D, vol. 97, pp. 124069, 2018.
Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation
@article{PhysRevD.97.124069,
title = {Observational tests of the black hole area increase law},
author = {Miriam Cabero and Collin Capano and Ofek Fischer-Birnholtz and Badri Krishnan and Alex Nielsen and Alexander Nitz and Christopher Biwer},
url = {https://link.aps.org/doi/10.1103/PhysRevD.97.124069},
doi = {10.1103/PhysRevD.97.124069},
year = {2018},
date = {2018-06-01},
journal = {Phys. Rev. D},
volume = {97},
pages = {124069},
publisher = {American Physical Society},
keywords = {Cosmology & Astrophysics, Gravitation},
pubstate = {published},
tppubtype = {article}
}
Finstad, Daniel; De, Soumi; Brown, Duncan; Berger, Edo; Biwer, Christopher
Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves Journal Article
In: The Astrophysical Journal Letters, vol. 860, no. 1, pp. L2, 2018.
Abstract | Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation
@article{2041-8205-860-1-L2,
title = {Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves},
author = {Daniel Finstad and Soumi De and Duncan Brown and Edo Berger and Christopher Biwer},
url = {http://stacks.iop.org/2041-8205/860/i=1/a=L2},
year = {2018},
date = {2018-01-01},
journal = {The Astrophysical Journal Letters},
volume = {860},
number = {1},
pages = {L2},
abstract = {The joint detection of gravitational waves (GWs) and electromagnetic (EM) radiation from the binary neutron star merger GW170817 ushered in a new era of multi-messenger astronomy. Joint GW–EM observations can be used to measure the parameters of the binary with better precision than either observation alone. Here, we use joint GW–EM observations to measure the viewing angle of GW170817, the angle between the binary’s angular momentum and the line of sight. We combine a direct measurement of the distance to the host galaxy of GW170817 (NGC 4993) of 40.7 ± 2.36 Mpc with the Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo GW data and find that the viewing angle is 32_{-13}^{+10}± 1.7 degrees (90% confidence, statistical, and systematic errors). We place a conservative lower limit on the viewing angle of ≥13°, which is robust to the choice of prior. This measurement provides a constraint on models of the prompt γ -ray and radio/X-ray afterglow emission associated with the merger; for example, it is consistent with the off-axis viewing angle inferred for a structured jet model. We provide for the first time the full posterior samples from Bayesian parameter estimation of LIGO/Virgo data to enable further analysis by the community.},
keywords = {Cosmology & Astrophysics, Gravitation},
pubstate = {published},
tppubtype = {article}
}
The joint detection of gravitational waves (GWs) and electromagnetic (EM) radiation from the binary neutron star merger GW170817 ushered in a new era of multi-messenger astronomy. Joint GW–EM observations can be used to measure the parameters of the binary with better precision than either observation alone. Here, we use joint GW–EM observations to measure the viewing angle of GW170817, the angle between the binary’s angular momentum and the line of sight. We combine a direct measurement of the distance to the host galaxy of GW170817 (NGC 4993) of 40.7 ± 2.36 Mpc with the Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo GW data and find that the viewing angle is 32-13+10± 1.7 degrees (90% confidence, statistical, and systematic errors). We place a conservative lower limit on the viewing angle of ≥13°, which is robust to the choice of prior. This measurement provides a constraint on models of the prompt γ -ray and radio/X-ray afterglow emission associated with the merger; for example, it is consistent with the off-axis viewing angle inferred for a structured jet model. We provide for the first time the full posterior samples from Bayesian parameter estimation of LIGO/Virgo data to enable further analysis by the community.
: . .
1.
De, Soumi; Biwer, Christopher M.; Capano, Collin D.; Nitz, Alexander H.; Brown, Duncan A.
Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run Journal Article
In: Scientific Data, vol. 6, pp. 81, 2019.
@article{De2019,
title = {Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run},
author = {Soumi De and Christopher M. Biwer and Collin D. Capano and Alexander H. Nitz and Duncan A. Brown },
url = {https://www.nature.com/articles/s41597-019-0086-6},
year = {2019},
date = {2019-06-03},
journal = {Scientific Data},
volume = {6},
pages = {81},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
2.
De, Soumi; Finstad, Daniel; Lattimer, James; Brown, Duncan; Berger, Edo; Biwer, Christopher
Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817 Journal Article
In: Phys. Rev. Lett., vol. 121, pp. 091102, 2018.
@article{PhysRevLett.121.091102,
title = {Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817},
author = {Soumi De and Daniel Finstad and James Lattimer and Duncan Brown and Edo Berger and Christopher Biwer},
url = {https://link.aps.org/doi/10.1103/PhysRevLett.121.091102},
doi = {10.1103/PhysRevLett.121.091102},
year = {2018},
date = {2018-08-01},
journal = {Phys. Rev. Lett.},
volume = {121},
pages = {091102},
publisher = {American Physical Society},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
3.
Cabero, Miriam; Capano, Collin; Fischer-Birnholtz, Ofek; Krishnan, Badri; Nielsen, Alex; Nitz, Alexander; Biwer, Christopher
Observational tests of the black hole area increase law Journal Article
In: Phys. Rev. D, vol. 97, pp. 124069, 2018.
@article{PhysRevD.97.124069,
title = {Observational tests of the black hole area increase law},
author = {Miriam Cabero and Collin Capano and Ofek Fischer-Birnholtz and Badri Krishnan and Alex Nielsen and Alexander Nitz and Christopher Biwer},
url = {https://link.aps.org/doi/10.1103/PhysRevD.97.124069},
doi = {10.1103/PhysRevD.97.124069},
year = {2018},
date = {2018-06-01},
journal = {Phys. Rev. D},
volume = {97},
pages = {124069},
publisher = {American Physical Society},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
4.
Finstad, Daniel; De, Soumi; Brown, Duncan; Berger, Edo; Biwer, Christopher
Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves Journal Article
In: The Astrophysical Journal Letters, vol. 860, no. 1, pp. L2, 2018.
@article{2041-8205-860-1-L2,
title = {Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves},
author = {Daniel Finstad and Soumi De and Duncan Brown and Edo Berger and Christopher Biwer},
url = {http://stacks.iop.org/2041-8205/860/i=1/a=L2},
year = {2018},
date = {2018-01-01},
journal = {The Astrophysical Journal Letters},
volume = {860},
number = {1},
pages = {L2},
abstract = {The joint detection of gravitational waves (GWs) and electromagnetic (EM) radiation from the binary neutron star merger GW170817 ushered in a new era of multi-messenger astronomy. Joint GW–EM observations can be used to measure the parameters of the binary with better precision than either observation alone. Here, we use joint GW–EM observations to measure the viewing angle of GW170817, the angle between the binary’s angular momentum and the line of sight. We combine a direct measurement of the distance to the host galaxy of GW170817 (NGC 4993) of 40.7 ± 2.36 Mpc with the Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo GW data and find that the viewing angle is 32_{-13}^{+10}± 1.7 degrees (90% confidence, statistical, and systematic errors). We place a conservative lower limit on the viewing angle of ≥13°, which is robust to the choice of prior. This measurement provides a constraint on models of the prompt γ -ray and radio/X-ray afterglow emission associated with the merger; for example, it is consistent with the off-axis viewing angle inferred for a structured jet model. We provide for the first time the full posterior samples from Bayesian parameter estimation of LIGO/Virgo data to enable further analysis by the community.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The joint detection of gravitational waves (GWs) and electromagnetic (EM) radiation from the binary neutron star merger GW170817 ushered in a new era of multi-messenger astronomy. Joint GW–EM observations can be used to measure the parameters of the binary with better precision than either observation alone. Here, we use joint GW–EM observations to measure the viewing angle of GW170817, the angle between the binary’s angular momentum and the line of sight. We combine a direct measurement of the distance to the host galaxy of GW170817 (NGC 4993) of 40.7 ± 2.36 Mpc with the Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo GW data and find that the viewing angle is 32-13+10± 1.7 degrees (90% confidence, statistical, and systematic errors). We place a conservative lower limit on the viewing angle of ≥13°, which is robust to the choice of prior. This measurement provides a constraint on models of the prompt γ -ray and radio/X-ray afterglow emission associated with the merger; for example, it is consistent with the off-axis viewing angle inferred for a structured jet model. We provide for the first time the full posterior samples from Bayesian parameter estimation of LIGO/Virgo data to enable further analysis by the community.