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[vsnet-grb-info 349] GRB020813: optical observations at Bisei

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1501
SUBJECT: GRB020813: optical observations at Bisei
DATE:    02/08/17 05:49:31 GMT
FROM:    Yuji Urata at RIKEN  <urata@crab.riken.go.jp>

T. Kawabata (BAO), Y. Urata (Titech / RIKEN), H. Yamaoka (Kyushu U)
report:

We have obtained 36 R band images (each exposure time 60 seconds) of the
afterglow of GRB020813 (Fox, Blake & Price, GCN #1470) with the Bisei
Astronomical Observatory (BAO) 1.01-m telescope during 2002 Aug. 13
11:44 to 12:40 UT. A combined image of all exposures gives R = 19.35 +/-
0.13 using r magnitudes of near USNO_A2.0 stars as photometric
references.

A combined image can be found at
http://www.town.bisei.okayama.jp/bao/astro/grb/grb020813.jpg

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