TDRSS lightcurve for Trigger=874334

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 02 Dec 18 06:37:01 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     874334,   Seg_Num: 0
GRB_RA:          280.745d {+18h 42m 59s} (J2000),
                 280.932d {+18h 43m 44s} (current),
                 280.249d {+18h 41m 00s} (1950)
GRB_DEC:         +27.951d {+27d 57' 03"} (J2000),
                 +27.971d {+27d 58' 15"} (current),
                 +27.900d {+27d 54' 01"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4724 [cnts]    Image_Peak=188 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   443     E_range: 15-50 keV
BKG_INTEN:       46684 [cnts]
BKG_TIME:        23753.98 SOD {06:35:53.98} UT
BKG_DUR:         24 [sec]
GRB_DATE:        18454 TJD;   336 DOY;   18/12/02
GRB_TIME:        23784.51 SOD {06:36:24.51} UT
GRB_PHI:         141.17 [deg]
GRB_THETA:        12.07 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.90 [sigma]
IMAGE_SIGNIF:    7.16 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +1  -3  +0  +0 -51  +0 
SUN_POSTN:       248.39d {+16h 33m 33s}  -21.95d {-21d 57' 00"}
SUN_DIST:         58.99 [deg]   Sun_angle= -2.2 [hr] (East of Sun)
MOON_POSTN:      190.20d {+12h 40m 48s}   +0.93d {+00d 55' 45"}
MOON_DIST:        90.21 [deg]
MOON_ILLUM:      26 [%]
GAL_COORDS:       57.43, 14.05 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      285.11, 50.83 [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 = 96.08,-20.27 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 02 Dec 18 06:57:18 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     874334,   Seg_Num: 0
GRB_RA:          280.745d {+18h 42m 59s} (J2000),
                 280.932d {+18h 43m 44s} (current),
                 280.249d {+18h 41m 00s} (1950)
GRB_DEC:         +27.951d {+27d 57' 03"} (J2000),
                 +27.971d {+27d 58' 15"} (current),
                 +27.900d {+27d 54' 01"} (1950)
GRB_DATE:        18454 TJD;   336 DOY;   18/12/02
GRB_TIME:        23784.51 SOD {06:36:24.51} UT
TRIGGER_INDEX:   443
GRB_PHI:         141.17 [deg]
GRB_THETA:        12.07 [deg]
DELTA_TIME:      -11.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.90 [sigma]
IMAGE_SIGNIF:    7.16 [sigma]
LC_URL:          sw00874334000msb.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 Dec  2 01:57:43 EST 2018