TITLE: GCN CIRCULAR NUMBER: 38788 SUBJECT: EP241231b: optical upper limit with the Liverpool Telescope DATE: 25/01/03 11:30:04 GMT FROM: Amit Kumar at Royal Holloway - UoL/ U of Warwick, UK amitkundu515@gmail.com
A. Kumar, J. R. Maund (RHUL), N. C. Sun (UCAS), W. X. Li, Y. N. Wang (NAOC), and K. Wiersema (Herts) report:
We observed the field of Einstein Probe detected EP241231b (Liang et al., GCN 38778) with the IO:O Imager at the 2m Liverpool telescope. We observed a single 200s image in the g-band at 2025-01-02 UT 23:31:26.731 (~2.169 days post-trigger). Further observations were suspended due to bad weather conditions.
No new, uncatalogued source was detected in a preliminary visual examination within the EP-WXT localisation uncertainty, down to a limiting g-band magnitude of >21.5 (AB).
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