{
  "bibcode": "2013GCN.14333....1M",
  "body": "A. N. Morgan (UC Berkeley) reports:\n\nWe observed the field of GRB 130327A (Ukwatta et al., GCN 14331) with the\n1.3m PAIRITEL located at Mt. Hopkins, Arizona. Observations began at\n2013-Mar-27 02h21m22s UT, ~33.8 minutes after the Swift trigger.  In\nmosaics (effective exposure time of ~25 m) taken simultaneously in the J,\nH, and Ks filters, we marginally detect a source in the J band within the\nXRT error circle (Ukwatta et al., GCN 14331).  Given the minor significance\nof the detection in only a single filter, deeper observations are\nencouraged to confirm if this possible source is indeed the afterglow of\nGRB 130327A.\n\npost burst\nt_mid (hr) exp.(hr) filt  Mag\n0.91       0.42     J     17.8 +/- 0.4\n0.91       0.42     H     > 17.1\n0.91       0.42     Ks    > 15.7\n\n\nAll magnitudes are given in the Vega system, calibrated to 2MASS. No\ncorrection for Galactic extinction has been made to the above reported\nvalues.  Observations are ongoing.",
  "circularId": 14333,
  "createdOn": 1364355564000,
  "email": "qmorgan@gmail.com",
  "subject": "GRB 130327A: PAIRITEL NIR Afterglow Candidate",
  "submitter": "Adam Morgan at U.C. Berkeley  <qmorgan@gmail.com>",
  "eventId": "GRB 130327A"
}