[vsnet-grb-info 693] GRB 030115: IR observations with IRSF/SIRIUS

[GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1825
SUBJECT: GRB 030115: IR observations with IRSF/SIRIUS
DATE:    03/01/17 10:14:39 GMT
FROM:    Nobuyuki Kawai at Tokyo Tech  <nkawai-grbs.4.hete2@ezweb.ne.jp>

D. Kato, T. Nagata, and IRSF/SIRIUS team (Nagoya Univ, NAOJ), N. Kawai 
(Tokyo Tech) report:

We have imaged the field of GRB030115 (Kawai et al, GCN 1816) at J, H, 
and Ks with the Simultaneous three-color InfraRed Imager for Unbiased 
Survey (SIRIUS) on the Nagoya-SAAO 1.4m telescope (IRSF) on 2003 Jan 
16.0 UT.  At the position of the afterglow candidate suggested by 
Levan et al (GCN 1818) and Vrba et al (GCN 1822) we made marginal 
detection in these bands, and the preliminary magnitudes are: 

J = 20.2 +- 0.3
H = 19.9 +- 0.3
Ks= 18.4 +- 0.3

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