Search for Advanced LIGO Single Interferometer Compact Binary Coalescence 
Signals in Coincidence with Gamma-Ray Events in Fermi-GBM

Stachie, C.; Dal Canton , T.; Burns, E.; Christensen, N.; Hamburg, R.; Briggs, M.; Broida, J.; Goldstein, A.; Hayes, F.; Littenberg, T.; Shawhan, P.; Veitch, J.; Veres, P.; Wilson-Hodge, C. A.

doi:10.1088/1361-6382/aba28a

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Journal Article

Search for Advanced LIGO Single Interferometer Compact Binary Coalescence Signals in Coincidence with Gamma-Ray Events in Fermi-GBM

MPS-Authors

Dal Canton , T.
AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Citation

Stachie, C., Dal Canton, T., Burns, E., Christensen, N., Hamburg, R., Briggs, M., et al. (2020). Search for Advanced LIGO Single Interferometer Compact Binary Coalescence Signals in Coincidence with Gamma-Ray Events in Fermi-GBM. Classical and quantum gravity, 37(17): 175001. doi:10.1088/1361-6382/aba28a.

Cite as: https://hdl.handle.net/21.11116/0000-0005-9190-3

Abstract

Presented is the description of a new and general method used to search for
$\gamma$-ray counterparts to gravitational-wave (GW) triggers. This method is
specifically applied to single GW detector triggers. Advanced LIGO data from
observing runs O1 and O2 were analyzed, thus each GW trigger comes from either
the LIGO-Livingston or the LIGO-Hanford interferometer. For each GW trigger,
Fermi Gamma-ray Burst Monitor data is searched and the most significant
subthreshold signal counterpart is selected. Then, a methodology is defined in
order to establish which of GW-$\gamma$-ray pairs are likely to have a common
origin. For that purpose an association ranking statistic is calculated from
which a false alarm rate is derived. The events with the highest ranking
statistics are selected for further analysis consisting of LIGO detector
characterization and parameter estimation. The $\gamma$-ray signal
characteristics are also evaluated. We find no significant candidates from the
search.