E(B-V) report for trigger 820347 using XRT Position of (66.02467,13.39892)
Reference is GCN_Circulars-22569-Sat,_31_Mar_2018_02:21:58_-0400
E(B-V) = 0.598

Bandpass A_lambda
(microns) (mag)
U (0.34) 3.251
B (0.44) 2.581
V (0.54) 1.983
R (0.65) 1.599
I (0.81) 1.161

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