Image Details
Caption: Fig. 1.
Top panels: SDSS PT images of the afterglow of GRB 010921 in (from a to e) ﹩u^{*}﹩, ﹩g^{*}﹩, ﹩r^{*}﹩, ﹩i^{*}﹩, and ﹩z^{*}﹩, taken on September 22.108 UT. Middle panels: Super‐LOTIS co‐added images in unfiltered light taken on (f) September 22.128 UT and (g) 22.267 UT. Bottom panels: Tautenburg images in I taken on (h) September 22 UT and (i) October 25 UT. In all images, north is toward the top, and east is to the left. The FOV is ﹩4^{\prime }\times 4^{\prime }﹩. The location of the optical afterglow is indicated by circles in the SDSS PT images, and by arrows in the Super‐LOTIS and Tautenburg images.
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