---

bat position message for trigger 1044426

--====1618965071====
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

GRB position information:
GRB_RA: 104.908d {+06h 59m 38s} (J2000),
GRB_DEC: +4.934d {+04d 56' 03"} (J2000),
GAL_COORDS: 209.47, 4.07 [deg] galactic lon,lat of the burst (or transient)
Sun angle: 75.50
Moon angle: 32.23

MET of BAT trigger is 640657677.18 using SOD of 1650.30

E(B-V) report for trigger 1044426 using BAT GRB Position of (104.908,+4.934)
Reference is GCN_Notice_Wed_21_Apr_21_00:27:55_UT
E(B-V) = 0.317
WARNING: This position with |Galactic latitude| < 5 deg has unreliable extinction estimates.

Bandpass A_lambda
(microns) (mag)
U (0.34) 1.725
B (0.44) 1.369
V (0.54) 1.052
R (0.65) 0.848
I (0.81) 0.616

# Region file format: DS9 version 3.0
# Region file produced by swift_page.pl vrs. 2021-01-04 fem
global color=red font="helvetica 10 normal" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source
fk5;circle(104.908,+4.934,180")

---

xrt position message for trigger 1044426

E(B-V) report for trigger 1044426 using XRT Position of (104.87442,4.92233)
Reference is GCN_Circulars-29865-Wed,_21_Apr_2021_11:22:44_-0400
E(B-V) = 0.318
WARNING: This position with |Galactic latitude| < 5 deg has unreliable extinction estimates.

Bandpass A_lambda
(microns) (mag)
U (0.34) 1.732
B (0.44) 1.375
V (0.54) 1.057
R (0.65) 0.852
I (0.81) 0.618

--====1619018667====
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
# Region file format: DS9 version 3.0
# file produced by rerun_uvot_tdrss.pl on 210421d15h24m26sUT
global color=green font="helvetica 10 normal" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source
fk5;circle(104.87442,4.92233,2.40")