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GRB position information:
GRB_RA: 275.0895d {+18h 20m 21.47s} (J2000),
GRB_DEC: +7.1832d {+07d 10' 59.5"} (J2000),
GAL_COORDS: 35.85, 10.16 [deg] galactic lon,lat of the burst
Sun angle: 77.34
Moon angle: 30.73

MET of BAT trigger is 542507522.85 using SOD of 1902.24

E(B-V) report for trigger 813771 using XRT Position of (275.0895,+7.1832)
Reference is GCN_Notice_Mon_12_Mar_18_00:32:06_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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