[vsnet-grb-info 2622] GRB 060108: ISAS early observations and near IR upper limit

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4459
SUBJECT: GRB 060108: ISAS early observations and near IR upper limit
DATE:    06/01/10 00:47:40 GMT
FROM:    Daisuke Yonetoku at Kanazawa U  <yonetoku at astro.s.kanazawa-u.ac.jp>

D. Yonetoku, T. Murakami, H. Kodaira, S. Okuno, S. 
T. Kidamura (Kanazawa Univ.) and Y. Kobayashi (NAOJ) 
on behalf of the Kanazawa team: 

 We have observed the field of GRB 060108 (Oates et al., GCN 4443; 
Sakamoto et al., GCN 4445) with H and Ks-bands using the 1.3m telescope 
on the roof top of ISAS, Japan. The observation was started 12 minutes
after the BAT trigger. We found no new source down to a limiting 
magnitude of H = 15.8 and Ks = 15.8 (5 sigma upper limit) within 
the position of the XRT error circle (Page et al., GCN 4453).