[vsnet-grb 374723] GCN/SWIFT_BAT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 28 Jul 18 17:29:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     850471,   Seg_Num: 0
GRB_RA:          253.569d {+16h 54m 17s} (J2000),
                 253.944d {+16h 55m 47s} (current),
                 252.562d {+16h 50m 15s} (1950)
GRB_DEC:         -54.031d {-54d 01' 50"} (J2000),
                 -54.060d {-54d 03' 34"} (current),
                 -53.950d {-53d 56' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2308 [cnts]    Image_Peak=184 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   70     E_range: 15-50 keV
BKG_INTEN:       23003 [cnts]
BKG_TIME:        62930.66 SOD {17:28:50.66} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18327 TJD;   209 DOY;   18/07/28
GRB_TIME:        62940.71 SOD {17:29:00.71} UT
GRB_PHI:          15.40 [deg]
GRB_THETA:        35.84 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     19.64 [sigma]
IMAGE_SIGNIF:    10.51 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +1  +0  +0  +1 +58  +0 
SUN_POSTN:       127.96d {+08h 31m 51s}  +18.87d {+18d 52' 10"}
SUN_DIST:        126.03 [deg]   Sun_angle= -8.4 [hr] (East of Sun)
MOON_POSTN:      317.96d {+21h 11m 49s}  -17.07d {-17d 04' 19"}
MOON_DIST:        61.08 [deg]
MOON_ILLUM:      99 [%]
GAL_COORDS:      333.97, -6.51 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      258.80,-31.23 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 236.54,-20.50 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=554491747).