TITLE: GCN CIRCULAR NUMBER: 36773 SUBJECT: EP240626a: KAIT optical upper limit DATE: 24/06/27 14:49:19 GMT FROM: Weikang Zheng at UC Berkeley weikang@berkeley.edu
WeiKang Zheng (UCB), Xuhui Han (NAOC), Pinpin Zhang (NAOC) and Alexei V. Filippenko (UCB) report on behalf of the KAIT GRB team:
The 0.76-m Katzman Automatic Imaging Telescope (KAIT), located at Lick Observatory, responded to the fast X-ray transient EP240626a from the Einstein Probe (Wu et al. GCNC 36766) starting at 1.01 hours after the trigger. A set of 30x60s images were obtained in the clear (roughly R) filters. Preliminary analysis do not reveal any optical counterpart candidate within the EP-FXT position error circle (Wu et al. GCNC 36770), neither in single image, nor in the co-add images. The typical limiting magnitude of our single clear image is about 19.0 mag calibrated to the PS1 catalog.
View this GCN Circular online at https://gcn.nasa.gov/circulars/36773. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...