TITLE: GCN CIRCULAR NUMBER: 38856 SUBJECT: LIGO/Virgo/KAGRA S250108ha: Retraction of GW compact binary merger candidate DATE: 25/01/08 21:26:41 GMT FROM: Isaac McMahon at University of Zurich isaac.mcmahon@ligo.org

The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration report:

The trigger S250108ha, initially reported because of a coincidence with Fermi/GBM trigger 758061038/250108855, is no longer considered to be a candidate of interest.

That Fermi trigger is no longer classified as a GRB. Without this, the GW candidate’s significance is below our alert threshold.

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