{
  "circularId": 43898,
  "submittedHow": "web",
  "submitter": "Wenxiong Li at NAOC <liwenxiong1992@gmail.com>",
  "editedBy": "Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov> on behalf of Daniele Bjørn Malesani at Cosmic Dawn Center, Niels Bohr Institute <daniele.malesani@nbi.ku.dk>",
  "eventId": "EP260302a",
  "subject": "The EP-WXT trigger 01709258736: Las Cumbres discovery of the optical counterpart",
  "bibcode": "2026GCN.43898....1L",
  "createdOn": 1772505267346,
  "body": "Wenxiong Li (NAOC), Iair Arcavi (TAU), Ido Keinan (TAU), Runduo Liang (NAOC), David Sand (U of Arizona)\nWe observed the position of the EP/WXT trigger 01709258736 with a Las Cumbres 1m telescope at Cerro Tololo Interamerican Observatory, Chile, 1 hour after the Einstein Probe WXT trigger. We took 2x300s exposures in each visit in the broad optical w band.\nWe find an uncataloged source at RA=132.9739, Dec=-65.9837 within the EP/WXT error circle and measure the following preliminary photometry calibrated to the R band: MJD 61102.042 Mag 19.8",
  "format": "text/plain",
  "editedOn": 1772549605775,
  "version": 2
}