GRB 200509A: Zadko observatory - Gingin optical upper limits

B. Gendre, E. Moore, D. Coward, J. A. Moore, A. Klotz

Research output: Contribution to specialist publicationArticle in specialist publication

Abstract

We imaged the field of GRB 200509A detected by Swift (trigger 970886, GCN 27701, Troja et al. 2020) with the Zadko robotic telescope (D=100cm) located at the Zadko Observatory - Gingin, Australia. The observations started about 6 hours after the GRB trigger. The elevation of the field was at 41 degrees above horizon at the start of the observation and decreasing, and weather conditions were good. Inside the error box of the XRT afterglow, we did not detect any object at 2020-05-09T13:00:00, down to a R magnitude of 18.2. No further observations are planned. Magnitudes were estimated with the nearby USNO-B1 stars and are not corrected for galactic dust extinction. This message may be cited.
Original languageEnglish
No.27702
Specialist publicationGRB Coordinates Network, Circular Service
Publication statusPublished - 1 May 2020

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