TDRSS lightcurve for Trigger=884906

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 Jan 19 10:14:38 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     884906,   Seg_Num: 0
GRB_RA:          247.749d {+16h 31m 00s} (J2000),
                 248.102d {+16h 32m 24s} (current),
                 246.826d {+16h 27m 18s} (1950)
GRB_DEC:         -47.773d {-47d 46' 20"} (J2000),
                 -47.812d {-47d 48' 44"} (current),
                 -47.665d {-47d 39' 53"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1280 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        18504 TJD;    21 DOY;   19/01/21
GRB_TIME:        36417.71 SOD {10:06:57.71} UT
GRB_PHI:         -166.16 [deg]
GRB_THETA:        10.00 [deg]
SOLN_STATUS:     0x10000113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.18 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +1 -60  +0 
SUN_POSTN:       303.30d {+20h 13m 11s}  -19.92d {-19d 55' 00"}
SUN_DIST:         52.21 [deg]   Sun_angle= 3.7 [hr] (West of Sun)
MOON_POSTN:      126.48d {+08h 25m 55s}  +19.88d {+19d 52' 39"}
MOON_DIST:       125.67 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      336.29,  0.37 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      253.61,-25.59 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: AX_1631.9-4752,   delta=0.203 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 18.33,-20.54 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 Jan 19 10:27:51 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     884906,   Seg_Num: 0
GRB_RA:          247.749d {+16h 31m 00s} (J2000),
                 248.102d {+16h 32m 24s} (current),
                 246.826d {+16h 27m 18s} (1950)
GRB_DEC:         -47.773d {-47d 46' 20"} (J2000),
                 -47.812d {-47d 48' 44"} (current),
                 -47.665d {-47d 39' 53"} (1950)
GRB_DATE:        18504 TJD;    21 DOY;   19/01/21
GRB_TIME:        36417.71 SOD {10:06:57.71} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -166.16 [deg]
GRB_THETA:        10.00 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.18 [sigma]
LC_URL:          sw00884906000msb.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:
Mon Jan 21 05:28:03 EST 2019