LIGO/Virgo S191222n: upper limits from AGILE/MCAL observations
Abstract
In response to the LIGO/Virgo GW event S191222n at T0 = 2019-12-22 03:35:37.119 (UT), a preliminary analysis of the AGILE minicalorimeter (MCAL) triggered data found no event candidates within a time interval covering -/+ 15 sec from the LIGO/Virgo T0. At the T0, about 60% of the S191222n 90% c.l. localization region was accessible to the AGILE MCAL.Three-sigma upper limits (ULs) are obtained for a 1 s integration time at different celestial positions within the accessible S191222n localization region, from a minimum of 1.4E-06 erg cm^-2 to a maximum of 6.5E-06 erg cm^-2 (assuming as spectral model a single power law with photon index 1.5). The AGILE-MCAL detector is a CsI detector with a 4 pi FoV, sensitive in the energy range 0.4-100 MeV. Additional analysis of AGILE data is in progress.
- Publication:
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GRB Coordinates Network
- Pub Date:
- December 2019
- Bibcode:
- 2019GCN.26547....1L