GCN Circular 38909
Subject
EP250108a / AT 2025kg: Swift UVOT detections
Date
2025-01-11T13:01:52Z (2 months ago)
From
Daniele B. Malesani at IMAPP / Radboud University <d.malesani@astro.ru.nl>
Via
Web form
A.J. Levan (Radboud), L. Cotter (UCD), D. B. Malesani (DAWN/NBI & Radboud), A. Martin-Carrillo (UCD), P.G. Jonker (Radboud) report on behalf of a larger collaboration.
The location of EP250108a (Lin et al., GCN 38861; Eyles-Ferris, GCN 38878) was observed with the Neil Gehrels Swift Observatory on 10 Jan 2025, starting at 15:17 UT, that is 2.12 days since the onset of the outburst.
At the location of the optical counterpart AT 2025kg (the “kangaroo”; Eyles-Ferris, GCN 38878; Zhu et al., GCN 38885