{
  "bibcode": "2021GCN.30289....1D",
  "body": "P. D'Avanzo (INAF-OAB), V. D'Elia (ASI-SSDC), A. Melandri, G. Tagliaferri (INAF-OAB), A. Rossi (INAF-OAS), \nL. Di Fabrizio, D. Carosati (INAF-TNG) on behalf of the CIBO collaboration report:\n\nWe observed the NIR afterglow of GRB 210619B (D'Avanzo et al., GCN Circ. 30261) with the Italian 3.6m TNG \ntelescope equipped with the near-infrared camera NICS. A series of images were obtained with the J and K filters \non 2021-06-21 from 01:27:06 UT to 02:49:36 UT (i.e. at a mid time of about 1.09 days after the burst). \n\nWith preliminary photometry we derive the following magnitudes:\n\nJ = 17.90  +/- 0.05 \nK = 16.43  +/- 0.11 \n(Vega; calibrated against the 2MASS catalogue).",
  "circularId": 30289,
  "createdOn": 1624280559000,
  "email": "pda.davanzo@gmail.com",
  "subject": "GRB 210619B: TNG NIR observations of the afterglow",
  "submitter": "Paolo D'Avanzo at INAF-OAB  <pda.davanzo@gmail.com>",
  "eventId": "GRB 210619B"
}