LIGO/Virgo G268556: Early SWASP limits of ATLAS17aeu
D Steeghs, D Pollacco, K Ulaczyk… - GRB Coordinates …, 2017 - ui.adsabs.harvard.edu
We have analysed our SWASP imaging related to G268556 (GCN# 20364, spanning MJD
57758.043-57758.210) for evidence of ATLAS17aeu. Our first imaging window following
G268556 spans 9-5 hours before the reported detections in Tonry et al.(GCN# 20382) and
end 1 hour before GRB170105A (GCN# 20387). We do not find any evidence for an optical
source at the ATLAS17aeu position. We combined 3 sets of images not affected by clouds
and achieve the following 5-sigma upper limits: MJD (mid): g limit: r limit: 57758.05948013> …
57758.043-57758.210) for evidence of ATLAS17aeu. Our first imaging window following
G268556 spans 9-5 hours before the reported detections in Tonry et al.(GCN# 20382) and
end 1 hour before GRB170105A (GCN# 20387). We do not find any evidence for an optical
source at the ATLAS17aeu position. We combined 3 sets of images not affected by clouds
and achieve the following 5-sigma upper limits: MJD (mid): g limit: r limit: 57758.05948013> …
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