TDRSS lightcurve for Trigger=894718

Notes:

• 1) None of the TDRSS light curves are background subtracted.

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 24 Mar 19 22:44:35 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     894718,   Seg_Num: 0
GRB_RA:           49.576d {+03h 18m 18s} (J2000),
                  49.735d {+03h 18m 56s} (current),
                  49.165d {+03h 16m 40s} (1950)
GRB_DEC:         -47.239d {-47d 14' 21"} (J2000),
                 -47.170d {-47d 10' 12"} (current),
                 -47.421d {-47d 25' 14"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4183 [cnts]    Image_Peak=184 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   264     E_range: 25-100 keV
BKG_INTEN:       39738 [cnts]
BKG_TIME:        81809.37 SOD {22:43:29.37} UT
BKG_DUR:         24 [sec]
GRB_DATE:        18566 TJD;    83 DOY;   19/03/24
GRB_TIME:        81841.63 SOD {22:44:01.63} UT
GRB_PHI:         -64.21 [deg]
GRB_THETA:        29.24 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     13.19 [sigma]
IMAGE_SIGNIF:    8.57 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -1  +0  +0 -45  +0 
SUN_POSTN:         3.68d {+00h 14m 42s}   +1.59d {+01d 35' 29"}
SUN_DIST:         63.18 [deg]   Sun_angle= -3.1 [hr] (East of Sun)
MOON_POSTN:      234.69d {+15h 38m 45s}  -15.05d {-15d 02' 52"}
MOON_DIST:       117.62 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:      257.89,-55.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       22.48,-61.55 [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 = 345.97,-10.96 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(15.0<100sec) coincident with the CALET_GBM event (trignum=1237502436).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 24 Mar 19 23:00:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     894718,   Seg_Num: 0
GRB_RA:           49.576d {+03h 18m 18s} (J2000),
                  49.735d {+03h 18m 56s} (current),
                  49.165d {+03h 16m 40s} (1950)
GRB_DEC:         -47.239d {-47d 14' 21"} (J2000),
                 -47.170d {-47d 10' 12"} (current),
                 -47.421d {-47d 25' 14"} (1950)
GRB_DATE:        18566 TJD;    83 DOY;   19/03/24
GRB_TIME:        81841.63 SOD {22:44:01.63} UT
TRIGGER_INDEX:   264
GRB_PHI:         -64.21 [deg]
GRB_THETA:        29.24 [deg]
DELTA_TIME:      -24.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.19 [sigma]
IMAGE_SIGNIF:    8.57 [sigma]
LC_URL:          sw00894718000msb.lc

Initial TDRSS lightcurve and spacecraft attitude plot

TDRSS lightcurve from T0-30 to T0+50 (zoom in)

TDRSS light curve from T0-1 to T0+2 (More zoom in)

1.6s binned TDRSS light curve

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Extended TDRSS lc No.2

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Sun Mar 24 19:01:22 EDT 2019