GRB 230116D: KGO RC-25 optical observations
Abstract
We observed the optical afterglow (Zhu et al., GCN 33177; Nazarov et al., GCN 33178; Moskvitin et al. GCNs 33179, 33187; Swain et al., GCN 33182; Belkin et al., GCN 33189) of GRB 230116D (Sonbas et al., GCN 33176) with 25cm 1/8 Ritchey-Chretien telescope of KGO observatory. Observation started on 2023-01-16 (UT) 21:21:41. The series consist of images with an exposure of 600 s in R-filter. Preliminary photometry of the stacked image is following Date UT-start Exptime Filter t-T0 OT Err UL 2023-01-16 23:36:12 11*600 R 0.16075 20.25 0.20 20.4 Ref.stars USNO-B1.0 RA DEC R2 06:34:04.9708800 +49:53:05.863200 15.61 06:34:38.7820800 +49:49:22.972800 16.29 06:34:57.9967200 +49:53:01.932000 16.94 06:34:24.5268000 +49:47:49.801200 15.68
- Publication:
-
GRB Coordinates Network
- Pub Date:
- January 2023
- Bibcode:
- 2023GCN.33190....1B