{
  "createdOn": 1742697756757,
  "submittedHow": "web",
  "body": "\nRosa Becerra (U Rome), Yu-Han Yang (U Rome), Eleonora Troja (U Rome) report on behalf of the ERC BHianca team:\n\nWe observed the field of GRB 250322A (Gupta et al., GCN 39835, Goad et al. GCN 39841) with the FORS2 imager on the ESO VLT UT1 (Antu). Observations began at T+8.1 hours after the trigger and were carried out in the R filter with a total exposure of 1200 seconds, at an average seeing of 0.5\" and airmass about 1.2. \n\nWe do not detect any new source at the enhanced Swift-XRT position (Goad et al. GCN 39841) down to the following 5-sigma limit R>25.8 AB mag calibrated with nearby Pan-STARRS stars and without Galactic extinction correction. \n\nIn our images, we detect the host galaxy candidate reported by Martin-Carrillo et al. (GCN 39842) with no significant variation in brightness.\n\nWe thank the staff at the VLT for the rapid execution of these observations. \n\n\n",
  "eventId": "GRB 250322A",
  "format": "text/plain",
  "subject": "GRB 250322A: VLT optical observations",
  "circularId": 39845,
  "editedOn": 1742733612392,
  "editedBy": "Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov> on behalf of Rosa L. Becerra at Tor Vergata, Roma <rosa.becerra@roma2.infn.it>",
  "version": 2,
  "submitter": "Rosa L. Becerra at Tor Vergata, Roma <rosa.becerra@roma2.infn.it>",
  "bibcode": "2025GCN.39845....1B"
}