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GRB position information:
GRB_RA: 275.0915d {+18h 20m 21.95s} (J2000),
GRB_DEC: +7.1839d {+07d 11' 02.0"} (J2000),
GAL_COORDS: 35.85, 10.16 [deg] galactic lon,lat of the burst
Sun angle: 83.35
Moon angle: 101.50

MET of BAT trigger is 543114829.78 using SOD of 4409.14

E(B-V) report for trigger 815603 using XRT Position of (275.0915,+7.1839)
Reference is GCN_Notice_Mon_19_Mar_18_01:26:23_UT
E(B-V) = 0.229

Bandpass A_lambda
(microns) (mag)
U (0.34) 1.247
B (0.44) 0.990
V (0.54) 0.761
R (0.65) 0.613
I (0.81) 0.445

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