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GRB position information:
GRB_RA: 250.4669d {+16h 41m 52.05s} (J2000),
GRB_DEC: -45.5421d {-45d 32' 31.5"} (J2000),
GAL_COORDS: 339.19, 0.48 [deg] galactic lon,lat of the burst
Sun angle: 80.74
Moon angle: 67.37

MET of BAT trigger is 653644855.90 using SOD of 28828.15

E(B-V) report for trigger 1073821 using XRT Position of (250.4669,-45.5421)
Reference is GCN_Notice_Sat_18_Sep_21_08:00:53_UT
E(B-V) = 9.498
WARNING: This position with |Galactic latitude| < 5 deg has unreliable extinction estimates.

Bandpass A_lambda
(microns) (mag)
U (0.34) 51.609
B (0.44) 40.982
V (0.54) 31.484
R (0.65) 25.387
I (0.81) 18.425

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