GRB 220706A: Zadko observatory - Gingin optical observations

B. Gendre, E. Moore, J. A. Moore, F. Panther, A. Klotz, P. Thierry, D. Coward

Research output: Contribution to specialist publicationArticle in specialist publication


We imaged the field of GRB 220706A detected by SWIFT (trigger 1114937, D'Ai et al. GCN 32329) with the Zadko robotic telescope (D=100cm) located at the observatory - Gingin, Australia. The observations started 157.6s after the GRB trigger (123.9s after the notice). The elevation of the field increased from 18 degrees above horizon and weather conditions were good. At the position of the X-ray afterglow reported by Evans et al. (GCN 32330), we do not detect any source using a clear filter. t0+157.6s to t0+167.6s : R > 14.5 We co-added a series of long exposures: t0+1414s to t0+1962s : R > 17.0 Magnitudes were estimated with the nearby USNO-B1 stars and are not corrected for galactic dust extinction. N.B. Galactic coordinates are lon= 73.7767 lat=-74.3612 This message may be cited.
Original languageEnglish
Specialist publicationGRB Coordinates Network, Circular Service
Publication statusPublished - 1 Jul 2022


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