TITLE: GCN CIRCULAR NUMBER: 13298 SUBJECT: GRB 120514A: GROND upper limits DATE: 12/05/14 16:45:37 GMT FROM: Vladimir Sudilovsky at MPE A. Nicuesa Guelbenzu (TLS Tautenburg), S. Schmidl (TLS Tautenburg), V. Sudilovsky (MPE Garching), and J. Greiner (MPE Garching) report on behalf of the GROND team: We observed the field of GRB 120514A (Mangano et al., GCN #13289) simultaneously in g'r'i'z'JHK with GROND (Greiner et al. 2008, PASP 120, 405) mounted at the 2.2 m MPG/ESO telescope at La Silla Observatory (Chile). Observation started at 03:39 UT, 2.4 h after the trigger and ended at 11:10 UT. We detect two sources just outside of the enhanced 1.8" XRT error circle at RA,DEC 18:52:00.1, -04:15:50.8 and 18:52:00.2, -04:15:46.8 with a positional uncertainty of +/- 0.3". We note that neither source varies in r' brightness relative to USNO field stars over a period of 2 hours. Additionally, the southern source exhibits a thermal spectrum. Therefore, neither of these two sources are likely associated with the GRB. Based on exposures of 1480 seconds in g'r'i'z' and 1200 seconds in JHK, we do not detect a source within the 1.8" XRT error circle of the X-ray counterpart candidate (Evans et al., GCN #13292) to the following 3-sigma upper limits (AB system): g' > 22.7, r' > 23.0 i' > 23.0 z' > 23.0 J > 20.5 H > 19.6 K > 18.5 These magnitudes are calibrated against GROND zeropoints (g'r'i'z') and 2MASS (JHK) and are not corrected for the expected Galactic foreground extinction corresponding to a reddening of E_(B-V)=1.7 mag in the direction of the burst (Schlegel et al. 1998).