{
  "body": "R. Strausbaugh (Eastern Illinois University), A. Cucchiara (NASA) report on behalf of a larger collaboration:\n\nWe observed the EP260227a field (Wang et al., GCN 43869)  with the LCOGT 1-meter Sinistro instrument at the Cerro Tololo Interamerican Observatory, Chile site, on February 28, from 05:39 to 06:00 UT (corresponding to 9.28 to 9.63 hours after the trigger time) with the SDSS r and i filters.\n\nWe performed a series of 3x200s exposures in i-band and r-band.  We marginally detect an uncatalogued sources in both bands, consistent with other optical detections (Eyles-Ferris et al., GCN 43867; Li et al., GCN 43868; Fu et al., GCN 43873; Mandarakas et al., GCN 43874; Eyles-Ferris et al., GCN 43875; Malesani et al., GCN 43876).\n\nThe following magnitudes are calculated using the PanSTARRS catalog as reference:\n\nr = 20.78 +/- 0.58\ni = 21.47 +/- 0.52\n\nThese magnitudes are not corrected for galactic extinction.\n",
  "submittedHow": "email",
  "submitter": "Robert Strausbaugh at Eastern Illinois University <rstrausbaugh@eiu.edu>",
  "circularId": 43879,
  "eventId": "EP260227a",
  "subject": "EP260227a: LCOGT Optical Observations",
  "bibcode": "2026GCN.43879....1S",
  "createdOn": 1772299985915
}