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GCN Circular 28316

Subject
GRB200829A: optical afterglow detection
Date
2020-08-29T21:05:19Z (4 years ago)
From
Jozsef Vinko at Konkoly Observatory <vinko@konkoly.hu>
GRB200829A: optical afterglow detection from Konkoly Observatory 

J. Vinko, K. Vida, A. Pal, L. Kriskovics, R. Szakats, A. Ordasi and K. Sarneczky
(Konkoly Observatory, Hungary) report:

The optical afterglow of GRB 200829A (Siegel et al. GCN 28307) is detected with the 
0.8m RC80 robotic telescope at Piszkesteto Station of Konkoly Observatory starting on 
Aug 29 19:22:00 UT, 19346 s after the Swift/BAT trigger. The afterglow 
is measured on stacked Sloan r'- and i'-band frames of 3x300 s exposure. 

Photometry, tied to nearby comparison stars with PS1 magnitudes, gives. 
r' = 18.45 +/- 0.09 and i' = 18.49 +/- 0.11 mag, in accord with previous optical 
detections (Pozanenko et al. GCN 28308; Kuin et al. GCN 28311; Ursi et al. GCN 28314; 
Lipunov et al. GCN 28315)..
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