GRB 210209A: BOOTES-4/MET optical upper limit
Abstract
Following the detection of GRB 210209A by Swift (Laha et al. GCNC 29442), the 0.6m BOOTES-4/MET robotic telescope at Lijiang Astronomical Observatory (China) started to gather images after the twilight as soon as it was possible. No new source is detected within the Swift/XRT enhanced position (Evans et al. GCNC 29443) down to 19.8 mag in the co-added images (15x60 s, clear filer) starting at 12:13 UT on Feb 10. The non-detection is consistent with the limits reported by both Swift/UVOT (Breeveld et al. GCNC 29453) and MITSuME (Hosokawa et al. GCNC 29455). We thank the staff at Lijiang observatory for their excellent support.
- Publication:
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GRB Coordinates Network
- Pub Date:
- February 2021
- Bibcode:
- 2021GCN.29460....1H