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GCN Circular 23627

Subject
GRB 190106A: BOOTES-4/MET optical observations
Date
2019-01-06T22:39:38Z (5 years ago)
From
Alberto Castro-Tirado at Inst.de Astro. de Andalucia <ajct@iaa.es>
Y.-D. Hu, X.-Y.Li, E. Fernandez-Garcia, A. Ayala, A. J. Castro-Tirado 
(IAA-CSIC), C. Perez del Pulgar, A. Castellon, I. Carrasco (Univ. de 
Malaga), S. Guziy (Nikolaev Astronomical Observatory) and D. Xiong, Y. 
Fan, X. Zhao, J. Bai, C. Wang, Y. Xin (Yunnan Nacional Astronomical 
Observatory) on behalf of a larger collaboration, report:

Following the detection of GRB 190106A by Swift (Sonbas et al. GCNC 
23615), the 0.6m BOOTES-4/MET robotic telescope at Lijiang Astronomical 
Observatory (China) triggered alert at 15:12:56 UT (~1.6 hr after 
trigger). The reported optical afterglow (Yurkov et al. GCNC 23614, 
Lipunov et al. GCNC 23616, Itoh et al. GCNC 23617, Mao et al. GCNC 
23618, Reva et al. GCNC 23620 and Xin et al. 23622) is still clearly 
detected within the refined XRT position (Goad et al. GCNC 23619). A 
preliminary photometry yields a magnitude of 19.4 +/- 0.1 (g-band). 
Observations are ongoing.
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