[vsnet-grb-info 7780] GRB 090509: REM NIR afterglow

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  9327
SUBJECT: GRB 090509: REM NIR afterglow
DATE:    09/05/09 06:03:38 GMT
FROM:    Stefano Covino at Brera Astronomical Observatory  <stefano.covino at gmail.com>

S. Covino, P. D'Avanzo, L.A. Antonelli, D. Malesani, 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 090509 (Grupe et al. GCN9325)  
starting about 3min after the burst.  We detect  a fading object in  
the BAT error circle in our first H-band images at R~14.3 at  
coordinates: RA(J2000) 16:05:38.99; Dec(J2000) -28:23:58.7 with 1  
arcsec error. Moon is only at about 15 deg preventing useful optical  
observations.