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GCN Circular 6865

Subject
GRB 071010 REM NIR observations
Date
2007-10-10T08:04:22Z (17 years ago)
From
Paolo D'Avanzo at INAF-OAB <paolo.davanzo@brera.inaf.it>
P. D'Avanzo, D. Fugazza, S. Covino, L.A. Antonelli, L. Calzoletti, S. 
Campana, G.  Chincarini, M.L. Conciatore, S. Cutini, V. D'Elia, F. 
Dalessio, F.  Fiore, P. Goldoni, D. Guetta,  C. Guidorzi, G.L. Israel, 
N. Masetti, A. Melandri, E. 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:

We observed the field of the GRB 071010 (Moretti et al., GCN 6859)  with 
the robotic 60-cm REM telescope located at La Silla (Chile). A set of 
observations was performed automatically in the Z, J, H, K NIR filters 
starting at 03:42:52 UT (about 100 sec after the burst) and lasted about 
30 minutes due to visibility constraints.

The analysis of the first set of H-band exposures clearly show the 
optical afterglow candidate reported by Klotz et al. (GCN 6860), Bloom 
et al. (GCN. 6861), Haislip et al. (GCN. 6862) at a level of H =14.3 � 
0.2 (calibrated against the 2MASS catalog). The afterglow is clearly 
detected in all bands.

Futher analysis is in progress.
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