D. Nichols
Radboud University Nijmegen
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Physical Review Letters | 2017
B. Abbott; S. Bloemen; P. Canizares; S. Ghosh; P. Groot; T. Hinderer; G. Nelemans; D. Nichols; S. Nissanke; P. Schmidt; A.R. Williamson
On August 17, 2017 at 12∶41:04 UTC the Advanced LIGO and Advanced Virgo gravitational-wave detectors made their first observation of a binary neutron star inspiral. The signal, GW170817, was detected with a combined signal-to-noise ratio of 32.4 and a false-alarm-rate estimate of less than one per 8.0×10^{4}u2009u2009years. We infer the component masses of the binary to be between 0.86 and 2.26u2009u2009M_{⊙}, in agreement with masses of known neutron stars. Restricting the component spins to the range inferred in binary neutron stars, we find the component masses to be in the range 1.17-1.60u2009u2009M_{⊙}, with the total mass of the system 2.74_{-0.01}^{+0.04}M_{⊙}. The source was localized within a sky region of 28u2009u2009deg^{2} (90% probability) and had a luminosity distance of 40_{-14}^{+8}u2009u2009Mpc, the closest and most precisely localized gravitational-wave signal yet. The association with the γ-ray burst GRB 170817A, detected by Fermi-GBM 1.7xa0s after the coalescence, corroborates the hypothesis of a neutron star merger and provides the first direct evidence of a link between these mergers and short γ-ray bursts. Subsequent identification of transient counterparts across the electromagnetic spectrum in the same location further supports the interpretation of this event as a neutron star merger. This unprecedented joint gravitational and electromagnetic observation provides insight into astrophysics, dense matter, gravitation, and cosmology.On August 17, 2017 at 12:41:04 UTC the Advanced LIGO and Advanced Virgo gravitational-wave detectors made their first observation of a binary neutron star inspiral. The signal, GW170817, was detected with a combined signal-to-noise ratio of 32.4 and a false-alarm-rate estimate of less than one per
Science | 2017
Mansi M. Kasliwal; Ehud Nakar; L. P. Singer; David L. Kaplan; David O. Cook; A. Van Sistine; Ryan M. Lau; C. Fremling; O. Gottlieb; Jacob E. Jencson; S. M. Adams; U. Feindt; Kenta Hotokezaka; S. Ghosh; Daniel A. Perley; Po-Chieh Yu; Tsvi Piran; J. R. Allison; G. C. Anupama; A. Balasubramanian; Keith W. Bannister; John Bally; J. Barnes; Sudhanshu Barway; Eric C. Bellm; V. Bhalerao; D. Bhattacharya; N. Blagorodnova; J. S. Bloom; P. R. Brady
8.0times10^4
Science | 2017
Gregg Hallinan; A. Corsi; K. Mooley; Kenta Hotokezaka; Ehud Nakar; Mansi M. Kasliwal; David L. Kaplan; Dale A. Frail; S. T. Myers; Tara Murphy; Kishalay De; D. Dobie; J. R. Allison; Keith W. Bannister; V. Bhalerao; P. Chandra; T. E. Clarke; Simona Giacintucci; A. Y. Q. Ho; Assaf Horesh; Namir E. Kassim; S. R. Kulkarni; E. Lenc; Felix J. Lockman; C. Lynch; D. Nichols; S. Nissanke; N. Palliyaguru; W. M. Peters; T. Piran
years. We infer the component masses of the binary to be between 0.86 and 2.26
International Journal of Modern Physics A | 2017
F. Acernese; S. Bloemen; P. Canizares; S. Ghosh; P. Groot; G. Nelemans; D. Nichols; S. Nissanke; P. Schmidt
M_odot
