{
  "bibcode": "2022GCN.32690....1N",
  "body": "Michela Negro, Alberto Manfreda and Nicola Omodei on behalf\n\nof the IXPE Collaboration report that:\n\n\nIXPE will begin observing GRB 221009A on 2022-10-11 at\n\n23:34:28.40 UTC and will observe for 100k s.\n\nThe detailed weekly timeline for IXPE observations (which\n\ncurrently includes the slew to GRB 221009A) can be found here:\n\nhttps://ixpe.msfc.nasa.gov/for_scientists/weekly.html\n\n\nThe Imaging X-ray Polarimetry Explorer, commonly known as IXPE\n\nis a space observatory with three identical telescopes designed\n\nto measure the polarization of cosmic X-rays. The observatory,\n\nwhich was launched on 9 December 2021, is an international\n\ncollaboration between NASA and the Italian Space Agency (ASI).",
  "circularId": 32690,
  "createdOn": 1665503784000,
  "email": "mnegro1@umbc.edu",
  "subject": "GRB 221009A: planned observation with the Imaging X-ray Polarimetry Explorer (IXPE)",
  "submitter": "Michela Negro at CREST/NASA-GSFC/UMBC  <mnegro1@umbc.edu>",
  "eventId": "GRB 221009A"
}