GCN Circular 27134
Subject
LIGO/Virgo S200219ac: Upper limits from IceCube neutrino searches
Date
2020-02-19T13:53:49Z (5 years ago)
From
Raamis Hussain at IceCube <raamis.hussain@icecube.wisc.edu>
IceCube Collaboration (http://icecube.wisc.edu/) reports:
Searches [1,2] for track-like muon neutrino events detected by IceCube
consistent with the sky localization of gravitational-wave candidate
S200219ac
in a time range of 1000 seconds [3] centered on the alert event time
(2020-02-19 09:35:55.195 UTC to 2020-02-19 09:52:35.195 UTC) have been
performed.
During this time period IceCube was collecting good quality data.
No significant track-like events are found in spatial coincidence of
S200219ac calculated from the map circulated in the 2-Initial notice.
IceCube's sensitivity assuming an E^-2 spectrum (E^2 dN/dE) to neutrino
point sources within the locations spanned by the 90% spatial containment
of S200219ac ranges from 0.030 to 0.732 GeV cm^-2 in a 1000 second
time window.
The IceCube Neutrino Observatory is a cubic-kilometer neutrino detector
operating at the geographic South Pole, Antarctica. The IceCube realtime
alert point of contact can be reached at roc@icecube.wisc.edu
[1] Bartos et al. arXiv:1810.11467 (2018) and Countryman et
al.arXiv:1901.05486 (2019)
[2] PoS(ICRC2019)918 and Braun et al., Astroparticle Physics 29, 299 (2008)
[3] Baret et al., Astroparticle Physics 35, 1 (2011)