TITLE: GCN CIRCULAR NUMBER: 10139 SUBJECT: GRB091109: REM detection of the NIR afterglow DATE: 09/11/09 06:14:55 GMT FROM: Angelo Antonelli at Obs. Astro. di Roma L.A. Antonelli, S. Covino, P. D'Avanzo, D. Fugazza, L. Calzoletti, S. Campana, G. Chincarini, M.L. Conciatore, S. Cutini, V. D'Elia, F. D'Alessio, F. Fiore, P. Goldoni, D. Guetta, C. Guidorzi, G.L. Israel, E. Maiorano, N. Masetti, A. Melandri, E.J.A. Meurs, L. Nicastro, E. Palazzi, E. Pian, S. Piranomonte, L. Stella, G. Stratta, G. Tagliaferri, G. Tosti, V. Testa, S.D. Vergani, F. Vitali report on behalf of the REM team: "The robotic 60-cm REM telescope located at La Silla (Chile) observed automatically the field of the GRB 091109 (Oates et al. GCN10138) starting about 77 s after the burst. We detect a faint object in the XRT error circle in our first H-band images at H~14.8 at coordinates: RA(J2000) 20:37:02.2; Dec(J2000) -44:09:30.4 with 1 arcsec error. This message can be cited" ------------------------------------------------- This mail sent through IMP: http://horde.org/imp/