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This trigger is identified with the interesting source IGR_J17511-3057,
which is entry no. 15714 in the on-board catalog.
It is a source type 16 in the catalog.
The (RA,Dec) of IGR_J17511-3057 is (267.78562,-30.96158).
The distance from the source if 0.826 deg.
The trigger appears to be affected by BAT 7-min race error.

GRB position information:
GRB_RA: 267.574d {+17h 50m 18s} (J2000),
GRB_DEC: -31.767d {-31d 46' 01"} (J2000),
GAL_COORDS: 358.10, -2.33 [deg] galactic lon,lat of the burst (or transient)
Sun angle: 87.29
Moon angle: 79.72

MET of BAT trigger is 559440111.99 using SOD of 90.35

E(B-V) report for trigger 863053 using BAT GRB Position of (267.574,-31.767)
Reference is GCN_Notice_Mon_24_Sep_18_00:14:56_UT
E(B-V) = 2.957
WARNING: This position with |Galactic latitude| < 5 deg has unreliable extinction estimates.

Bandpass A_lambda
(microns) (mag)
U (0.34) 16.065
B (0.44) 12.757
V (0.54) 9.800
R (0.65) 7.902
I (0.81) 5.735

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