The observational follow-up campaign of the gravitational wave (GW) multi-messenger event GW170817/GRB170817A has shown that the prompt γ-rays are consistent with a relativistic structured jet observed from a wide viewing angle. We model the structured jet profile of GRB170817A assuming a structured jet model to estimate the future joint GW/sGRB detection rates for LIGO and Virgo detectors. We show that, if the jet structured profile of GRB170817A is a relatively common feature of sGRBs, then there is a realistic probability of another off-axis coincident detection during the third aLIGO/Virgo observing run (O3). We also find that up to 4 yr-1 joint events may be observed during the advanced LIGO run at design sensitivity and up to 10 yr-1 by the upgraded advanced LIGO configuration A+. We show that the detection efficiencies for wide-angled sGRB emissions will be limited by GRB satellites as the GWdetection range increases through proposed upgrades. Therefore, although the number of coincident detections will increase with GWdetector sensitivity, the relative proportion of detected binary neutron stars with γ-ray counterparts will decrease; 11% for O3 down to 2% during A+.
|Title of host publication||Proceedings of Science|
|Subtitle of host publication||2019 New Era of Multi-Messenger Astrophysics, Asterics 2019; Groningen; Netherlands; 25 March 2019 through 29 March 2019|
|Place of Publication||Netherlands|
|Number of pages||4|
|Publication status||Published - 28 Jan 2020|
|Event||New Era of Multi-Messenger Astrophysics, 2019 - Martini Plaza, Groningen, Netherlands|
Duration: 25 Mar 2019 → 29 Mar 2019
|Name||Proceedings of Science|
|Publisher||Sissa Medialab, SRL|
|Conference||New Era of Multi-Messenger Astrophysics, 2019|
|Abbreviated title||Asterics 2019|
|Period||25/03/19 → 29/03/19|
|Other|| The past few years have been pivotal for multi-messenger astrophysics, with the first detection of gravitational waves from the merging of two neutron stars and the recent announcement of a high-energy neutrino event detected by IceCube coincident in direction and time with a gamma-ray flare from a blazar detected by Fermi. Gravitational Wave and Neutrino sources and their electromagnetic counterparts, together with new developments in transient astronomy, are a vibrant field where the nature of many phenomena is still unknown or debated. Furthermore, the generation of new sensitive, wide-field instrumentation across the entire electromagnetic and astroparticle spectrum (SKA, CTA, KM3NeT, ELT, Athena) are set to radically change the way we perceive the Universe. In the next decade, space and ground-based detectors will jointly explore the Universe through all its messengers. Adequate e-infrastructures and algorithms will be needed to manage and analyse the data.|
We look forward to welcoming you to discuss the recent developments in the fields of gravitational waves, astrophysical neutrinos, the highly energetic dynamic sky, and to explore new methods for multi-messenger science and the related research infrastructures.
The conference is hosted by the Netherlands Institute for Radio Astronomy (ASTRON) on behalf of the ASTERICS collaboration at Martini Plaza in Groningen, The Netherlands. ASTERICS is a Horizon 2020 funded project that collects knowledge and experiences from astronomy, astrophysics and particle physics and fosters synergies among existing research infrastructures and scientific communities, with the ambition of seeing them interoperate as an integrated, multi-wavelength and multi-messenger facility.