E(B-V) report for trigger 831816 using XRT Position of (77.96900,-62.32411)
Reference is GCN_Circulars-22698-Thu,_10_May_2018_20:21:57_-0400
E(B-V) = 0.027

Bandpass A_lambda
(microns) (mag)
U (0.34) 0.147
B (0.44) 0.116
V (0.54) 0.089
R (0.65) 0.072
I (0.81) 0.052

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