Residual image of the optical afterglow of GRB 051221a

Residual image of the optical afterglow (r'-band from GMOS-North) of GRB 051221a highlighted by image subtraction techniques. The position of the afterglow (cross, template image) is offset by 0.12 +/- 0.04 arcseconds with respect to the host galaxy's center.

Credit:

International Gemini Observatory/NOIRLab/NSF/AURA

About the Image

Id:geminiann06018b
Type:Chart
Release date:Sept. 29, 2006, 12:53 p.m.
Related announcements:geminiann06018
Size:500 x 262 px

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