[vsnet-grb-info 23505] LIGO/Virgo S190901ap: Upper limits from IceCube neutrino searches
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Mon Sep 2 09:14:24 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 25604
SUBJECT: LIGO/Virgo S190901ap: Upper limits from IceCube neutrino searches
DATE: 19/09/02 00:13:09 GMT
FROM: Raamis Hussain at IceCube <raamis.hussain at 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
S190901ap
in a time range of 1000 seconds [3] centered on the alert event time
(2019-09-01 23:22:41.838 UTC to 2019-09-01 23:39:21.838 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 S190901ap calculated from the map
circulated in the 1-Preliminary 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 S190901ap ranges from 0.029 to 1.150 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 at icecube.wisc.edu
[1] Bartos et al. arXiv:1810.11467 (2018) and Countryman et
al.arXiv:1901.05486 (2019)
[2] Braun et al., Astroparticle Physics 29, 299 (2008)
[3] Baret et al., Astroparticle Physics 35, 1 (2011)
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