TITLE: GCN CIRCULAR NUMBER: 38141 SUBJECT: EP241109a: confirmation of a stellar flare by BOOTES-7 DATE: 24/11/09 09:32:04 GMT FROM: ipg@iaa.es
I. Perez-Garcia, S.-Y. Wu, A. J. Castro-Tirado, E. J. Fernandez-Garcia, M.D. Caballero-Garcia, S. Guziy, G. Garcia-Segura, R. Sanchez-Ramirez (IAA-CSIC), Y.-D. Hu (INAF-OAB), C. Perez del Pulgar, A. Castellon, I. Carrasco (Univ. de Malaga), L. Hernandez-Garcia (Univ. de Valparaiso), M. Gritsevich (Univ. of Helsinki), D.-R. Xiong (Yunnan Observatories of CAS), B.-B. Zhang (Nanjing Univ.) and A. Maury (Space, San Pedro de Atacama), on behalf of a larger collaboration, report:
Following the detection of EP241109a by EP-WXT (Li et al. [GCNC 38140](https://gcn.nasa.gov/circulars/38140)), the 0.6m BOOTES-7 robotic telescope at San Pedro de Atacama (Chile) responded to the alert on Nov. 9, 06:10 UT (i.e. 2-min after trigger, and 1-h after the event). Within the reported EP-FXT error circle we find that the star [Gaia DR3 2534635509050352256](https://vizier.cds.unistra.fr/viz-bin/VizieR-5?-ref=VIZ672f2a07ac09c&-ou...) decreasing 0.8 mag in brightness (clear filter) during a 40 min time interval, confirming EP241109a as due to a stellar flare. Multiband observations are ongoing.
We thank the staff at San Pedro de Atacama Celestial Observations for their excellent support.
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