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GRB position information:
GRB_RA: 273.3916d {+18h 13m 33.98s} (J2000),
GRB_DEC: -9.5305d {-09d 31' 49.7"} (J2000),
GAL_COORDS: 20.11, 3.95 [deg] galactic lon,lat of the burst
Sun angle: 60.62
Moon angle: 132.93

MET of BAT trigger is 540953506.27 using SOD of 3085.76

E(B-V) report for trigger 811167 using XRT Position of (273.3916,-9.5305)
Reference is GCN_Notice_Thu_22_Feb_18_00:51:53_UT
E(B-V) = 1.762
WARNING: This position with |Galactic latitude| < 5 deg has unreliable extinction estimates.

Bandpass A_lambda
(microns) (mag)
U (0.34) 9.573
B (0.44) 7.602
V (0.54) 5.840
R (0.65) 4.709
I (0.81) 3.418

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