TITLE: GCN CIRCULAR NUMBER: 42317 SUBJECT: GRB 251007B: Swift-BAT refined analysis DATE: 25/10/17 01:39:20 GMT FROM: Takanori Sakamoto at AGU tsakamoto@phys.aoyama.ac.jp

C. B. Markwardt (GSFC), S. D. Barthelmy (GSFC), R. Gupta (GSFC), H. A. Krimm (NSF), S. Laha (GSFC/UMBC), A. Y. Lien (U Tampa), A. Melandri (INAF-OAR), M. J. Moss (GSFC), D. M. Palmer (LANL), T. Parsotan (GSFC), D. Sadaula (GSFC/UMBC), T. Sakamoto (AGU) (i.e. the Swift-BAT team):

Because BAT triggered GRB 251007B (trigger #1402467) (Melandri, et al.GCN Circ. 42147) six minutes after GRB 251007A (Ambrosi, et al. GCN Circ. 42146), no BAT event data was generated on-board. Therefore, it is difficult to provide a detailed prompt emission analysis. According to the 1 s rate data (15-350 keV), the burst shows a double-peaked structure with a duration of ~25 sec.

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