TITLE: GCN CIRCULAR NUMBER: 42328 SUBJECT: Swift Trigger 1404295 is not a GRB DATE: 25/10/17 15:26:20 GMT FROM: Rahul Gupta at NASA GSFC rahul.gupta@nasa.gov
R. Gupta (NASA GSFC), N. J. Klingler (GSFC/UMBC/CRESSTII), D. M. Palmer (LANL), and T. Sbarrato (INAF-OAB) report on behalf of the Neil Gehrels Swift Observatory Team:
Using the data set from T-183 to T+963 sec from telemetry downlinks, we report further analysis of BAT trigger #1404295 (Klingler, et al., GCN Circ. 42290). This trigger is due to noise in the BAT image domain, with no significant emission detected in the mask-weighted light curve. No confirmed counterpart is found in the XRT or UVOT data within the BAT error circle, indicating that the trigger is not a real astrophysical event.
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