GCN Circular 35014

Tian-Rui Sun, Tian-Ci Zheng, Hui-Yang Mao, Jiang-Tao Li report:

Following the detection of GRB 231111A by SWIFT (Melandri et al., GCN 34981
Not found
 
 
; Osborne et al., GCN 34991
Not found
 
 
;GCN 34995), MASTER (Lipunov et al., GCN 34980
Not found
 
 
; GCN 34983
Not found
 
 
), Nanshan/HMT (Jiang et al., GCN 34982
Not found
 
 
), GIT (Kumar et al., GCN 34984
Not found
 
 
), YAHPT (Sun et al., GCN 34985
Not found
 
 
), GECAM (Zhang et al., GCN 34990
Not found
 
 
; GCN 34993
Not found
 
 
), Mondy (Pankov et al., GCN 34994
Not found
 
 
), Terskol Zeiss-2000 (Pankov et al., GCN 34996
Not found
 
 
), Nastro Verde (Dainotti et al., GCN 34997
Not found
 
 
), GMG (Mao et al., GCN 34999
Not found
 
 
; GCN 35001
Not found
 
 
), Mephisto (Sun et al., GCN 35002
Not found
 
 
), Leavitt (Moretti et al., GCN 35003
Not found
 
 
), NUTTelA-TAO (Komesh et al., GCN 35004
Not found
 
 
) and Xinglong-2.16m (Jiang et al., GCN 35012
Not found
 
 
), we conducted observations using the MDM 2.4m Hiltner telescope with the clear filter.

This observation began from 2023-11-12T01:44:16.415, about 11.4 hours after the burst.

The PSF photometry results are shown as :
----------------------------------------------------
UT                       exposure  filter mag        magerr
------------------------------------------------------
2023-11-12T01:44:16.415  600       Clear 20.7669 +/- 0.0622
2023-11-13T01:35:18.404  600       Clear 22.1815 +/- 0.0697
------------------------------------------------------


We used the GAIA-DR3 catalogue (G mag) as the magnitude reference for calibration.