E(B-V) report for trigger 821881 using XRT Position of (83.54904,-37.16808)
Reference is GCN_Circulars-22592-Wed,_4_Apr_2018_00:57:24_-0400
E(B-V) = 0.039

Bandpass A_lambda
(microns) (mag)
U (0.34) 0.212
B (0.44) 0.168
V (0.54) 0.129
R (0.65) 0.104
I (0.81) 0.076

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