{
  "bibcode": "2021GCN.29983....1K",
  "body": "N. J. Klingler (PSU), S. Laha (GSFC/UMBC/CRESST),\nK. L. Page (U Leicester) and A. Tohuvavohu (U Toronto) report on\nbehalf of the Neil Gehrels Swift Observatory Team:\n\nBAT triggered on a known source 4U 1700-377 on 2021 May 10. The precise trigger\ntime and further analysis will be announced in a future GCN when we receive \nfurther data from the spacecraft. \n\nSwift-BAT has previously triggered on this high-mass X-ray binary, with \nthe most recent trigger occurring on 2016 October 22.",
  "circularId": 29983,
  "createdOn": 1620679462000,
  "email": "klp5@leicester.ac.uk",
  "subject": "Swift trigger 1047857 is 4U 1700-377",
  "submitter": "Kim Page at U.of Leicester  <klp5@leicester.ac.uk>"
}