{
  "bibcode": "2012GCN.13937....1G",
  "body": "J. Greiner (MPE Garching), A. Belloche, T. Csengeri, F. Wyrowski \n(all MPIfR Bonn), F. Schuller, F. Montenegro (both APEX, ESO), \nV. Sudilovsky, J. Elliott (both MPE Garching), \nD. A. Kann (MPE Garching/Universe Cluster),\nA. de Ugarte Postigo (IAA-CSIC Granada/DARK Copenhagen), \nT. Kruehler (DARK Copenhagen) report:\n\nWe observed the afterglow of the peculiar GRB 121027A (Starling et al. 2012, \nGCN 13911; Levan et al. 2012, GCN 13920; Evans et al. 2012, GCN 13921) with \nLABOCA/APEX at 870 micron. The observations in photometry mode started on \nOct. 31, 7:57 UT, 4.02 days after the Swift trigger (Evans et al. 2012, \nGCN 13906, Barthelmy  et al. 2012, GCN 13910). They were performed under \ngood weather conditions (pwv ~ 1 mm), and lasted for 1 hr.\n\nNo source is detected, down to a 3 sigma upper limit of 21 mJy/beam.",
  "circularId": 13937,
  "createdOn": 1351783939000,
  "email": "jcg@mpe.mpg.de",
  "subject": "GRB 121027A: sub-mm upper limit",
  "submitter": "Jochen Greiner at MPI  <jcg@mpe.mpg.de>",
  "eventId": "GRB 121027A"
}