TDRSS lightcurve for Trigger=887580

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 04 Feb 19 05:46:46 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     887580,   Seg_Num: 0
GRB_RA:          351.514d {+23h 26m 03s} (J2000),
                 351.737d {+23h 26m 57s} (current),
                 350.934d {+23h 23m 44s} (1950)
GRB_DEC:         +54.878d {+54d 52' 42"} (J2000),
                 +54.984d {+54d 59' 01"} (current),
                 +54.603d {+54d 36' 12"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5197 [cnts]    Image_Peak=826 [image_cnts]
TRIGGER_DUR:     0.256 [sec] 
TRIGGER_INDEX:   123     E_range: 25-100 keV
BKG_INTEN:       25914 [cnts]
BKG_TIME:        20753.63 SOD {05:45:53.63} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18518 TJD;    35 DOY;   19/02/04
GRB_TIME:        20766.05 SOD {05:46:06.05} UT
GRB_PHI:         145.88 [deg]
GRB_THETA:        31.28 [deg]
SOLN_STATUS:     0x3000000D
RATE_SIGNIF:     148.71 [sigma]
IMAGE_SIGNIF:    20.24 [sigma]
MERIT_PARAMS:     +0  +0 +100  -2  +2  +7  +0  +1 -22  +0 
SUN_POSTN:       317.57d {+21h 10m 18s}  -16.30d {-16d 18' 06"}
SUN_DIST:         76.95 [deg]   Sun_angle= -2.3 [hr] (East of Sun)
MOON_POSTN:      310.87d {+20h 43m 28s}  -19.25d {-19d 15' 14"}
MOON_DIST:        81.98 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      110.78, -5.97 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       23.50, 51.65 [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 matches a source in the on-board catalog: Num=27579=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 119.45,18.13 [deg].  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 04 Feb 19 06:05:14 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     887580,   Seg_Num: 0
GRB_RA:          351.514d {+23h 26m 03s} (J2000),
                 351.737d {+23h 26m 57s} (current),
                 350.934d {+23h 23m 44s} (1950)
GRB_DEC:         +54.878d {+54d 52' 42"} (J2000),
                 +54.984d {+54d 59' 01"} (current),
                 +54.603d {+54d 36' 12"} (1950)
GRB_DATE:        18518 TJD;    35 DOY;   19/02/04
GRB_TIME:        20766.05 SOD {05:46:06.05} UT
TRIGGER_INDEX:   123
GRB_PHI:         145.88 [deg]
GRB_THETA:        31.28 [deg]
DELTA_TIME:      38.00 [sec]
TRIGGER_DUR:     0.256 [sec] 
SOLN_STATUS:     0xD
RATE_SIGNIF:     148.71 [sigma]
IMAGE_SIGNIF:    20.24 [sigma]
LC_URL:          sw00887580000msb.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

Plot creation:
Mon Feb  4 01:05:56 EST 2019