GCN Circular 10206
A. de Ugarte Postigo (INAF-OAB), A. Lundgren, C. de Breuck, F. Montenegro and C. Agurto (ESO), J. Gorosabel, M. Jelinek, A.J. Castro-Tirado, P. Kubanek (IAA-CSIC), S. Covino, C.C. Thoene (INAF-OAB) report on behalf of a larger collaboration: "We have observed the field of GRB 091127 (Troja et al., GCN 10191) using LABOCA/APEX from Chajnantor (Chile) at 870 um. The observations began at 02:54 UT of the 28th Nov (3.48 hours after the burst) and lasted for ~3 hours. Sky conditions were mediocre, with PWV~1.5mm and tau~0.26. The image has an r.m.s. of 4.5mJy. In the preliminary analysis there is no source detected at the position of the optical afterglow (Smith et al. GCN 10192). Further observations are foreseen. This message may be quoted."