{
  "subject": "GRB 150213B: RATIR Optical and NIR Observations",
  "submitter": "Nat Butler at Az State U  <natbutler@asu.edu>",
  "createdOn": 1423928527000,
  "editedBy": "Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma@nasa.gov> on behalf of Leo P. Singer at NASA/GSFC <leo.p.singer@nasa.gov>",
  "version": 2,
  "body": "Nat Butler (ASU), Alan M. Watson (UNAM), Alexander Kutyrev (GSFC), William\nH. Lee (UNAM), Michael G. Richer (UNAM), Chris Klein (UCB), Ori Fox (UCB),\nJ. Xavier Prochaska (UCSC), Josh Bloom (UCB), Antonino Cucchiara\n(ORAU/GSFC), Eleonora Troja (GSFC), Owen Littlejohns (ASU), Enrico\nRamirez-Ruiz (UCSC), José A. de Diego (UNAM), Leonid Georgiev (UNAM), Jesús\nGonzález (UNAM), Carlos Román-Zúñiga (UNAM), Neil Gehrels (GSFC), and\nHarvey Moseley (GSFC) report:\n\nWe observed the field of GRB 150213B (Pagani, et al., GCN 17464) with the\nReionization and Transients Infrared Camera (RATIR; www.ratir.org) on the\n1.5m Harold Johnson Telescope at the Observatorio Astronómico Nacional on\nSierra San Pedro Mártir from 2015/02 14.41 to 2015/02 14.55 UTC (11.27 to\n14.72 hours after the BAT trigger), obtaining a total of 2.58 hours\nexposure in the r, i, and z bands.\n\nFor a source within the Swift-UVOT error circle, in comparison with the\nSDSS DR9, we obtain the following detections and upper limit (3-sigma):\n\n  r = 22.4 +/- 0.6\n  i = 22.1 +/- 0.1\n  z > 20.50\n\nThese magnitudes are in the AB system and are not corrected for Galactic\nextinction in the direction of the GRB.\n\nWe thank the staff of the Observatorio Astronómico Nacional in San\nPedro Mártir.",
  "email": "natbutler@asu.edu",
  "eventId": "GRB 150213B",
  "circularId": 17470,
  "editedOn": 1731008850477,
  "bibcode": "2015GCN.17470....1B",
  "format": "text/plain"
}