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This trigger is identified with the interesting source NGC5055,
which is entry no. 12103 in the on-board catalog.
It is a source type 15 in the catalog.
The (RA,Dec) of NGC5055 is (198.95554,42.02929).
The diameter of the source is 12.3 arcmin.
The source has a magnitude of 8.6.
The distance from the source if 0.135 deg.

GRB position information:
GRB_RA: 198.919d {+13h 15m 41s} (J2000),
GRB_DEC: +41.897d {+41d 53' 50"} (J2000),
GAL_COORDS: 105.92, 74.42 [deg] galactic lon,lat of the burst (or transient)
Sun angle: 76.25
Moon angle: 122.82

MET of BAT trigger is 552749639.99 using SOD of 48818.76

E(B-V) report for trigger 846740 using BAT GRB Position of (198.919,+41.897)
Reference is GCN_Notice_Sun_08_Jul_18_13:35:22_UT
E(B-V) = 0.02

Bandpass A_lambda
(microns) (mag)
U (0.34) 0.109
B (0.44) 0.086
V (0.54) 0.066
R (0.65) 0.053
I (0.81) 0.039

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