TDRSS lightcurve for Trigger=887512

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 03 Feb 19 15:44:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     887512,   Seg_Num: 0
GRB_RA:           22.577d {+01h 30m 18s} (J2000),
                  22.882d {+01h 31m 32s} (current),
                  21.783d {+01h 27m 08s} (1950)
GRB_DEC:         +55.738d {+55d 44' 18"} (J2000),
                 +55.836d {+55d 50' 11"} (current),
                 +55.481d {+55d 28' 50"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       11535 [cnts]    Image_Peak=246 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   307     E_range: 50-350 keV
BKG_INTEN:       79718 [cnts]
BKG_TIME:        56593.64 SOD {15:43:13.64} UT
BKG_DUR:         40 [sec]
GRB_DATE:        18517 TJD;    34 DOY;   19/02/03
GRB_TIME:        56648.42 SOD {15:44:08.42} UT
GRB_PHI:          13.26 [deg]
GRB_THETA:        49.33 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     40.00 [sigma]
IMAGE_SIGNIF:    7.89 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +3  -2  +0  +1  +0  +0 
SUN_POSTN:       316.98d {+21h 07m 56s}  -16.48d {-16d 28' 30"}
SUN_DIST:         90.85 [deg]   Sun_angle= -4.4 [hr] (East of Sun)
MOON_POSTN:      303.56d {+20h 14m 15s}  -20.31d {-20d 18' 29"}
MOON_DIST:       100.93 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      128.42, -6.72 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       45.40, 42.25 [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 = 46.65,15.09 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 03 Feb 19 16:01:50 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     887512,   Seg_Num: 0
GRB_RA:           22.577d {+01h 30m 18s} (J2000),
                  22.882d {+01h 31m 32s} (current),
                  21.783d {+01h 27m 08s} (1950)
GRB_DEC:         +55.738d {+55d 44' 18"} (J2000),
                 +55.836d {+55d 50' 11"} (current),
                 +55.481d {+55d 28' 50"} (1950)
GRB_DATE:        18517 TJD;    34 DOY;   19/02/03
GRB_TIME:        56648.42 SOD {15:44:08.42} UT
TRIGGER_INDEX:   307
GRB_PHI:          13.26 [deg]
GRB_THETA:        49.33 [deg]
DELTA_TIME:      -37.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     40.00 [sigma]
IMAGE_SIGNIF:    7.89 [sigma]
LC_URL:          sw00887512000msb.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 Feb  3 11:02:02 EST 2019