Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 16294

GRB 140516A: Gemini-North limit on an optical afterglow
2014-05-17T16:56:25Z (10 years ago)
Wen-fai Fong at CFA <>
W. Fong and E. Berger (Harvard) report:

"We observed the location of the short-duration GRB 140516A (Bernardini et
al., GCN 16285) with the Gemini Multi-Object Spectrograph (GMOS) mounted on
the Gemini-North 8-meter telescope at a mid-time of 2014 May 17.373 UT
(12.38 hr post-burst). We obtained i-band observations for a total of
1800-sec in 0.5" seeing. We do not detect any optical source within the XRT
position (Osborne et al., GCN 16289). Calibrated to SDSS, we therefore
place a 3-sigma limit of i>26.1 AB mag on the optical afterglow of GRB
140516A at 12.38 hr after the burst.

We thank Gemini observer Lucas Fuhrman for assistance with these
Looking for U.S. government information and services? Visit