TDRSS lightcurve for Trigger=888312

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 09 Feb 19 14:29:57 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     888312,   Seg_Num: 0
GRB_RA:          285.972d {+19h 03m 53s} (J2000),
                 286.211d {+19h 04m 51s} (current),
                 285.346d {+19h 01m 23s} (1950)
GRB_DEC:          +3.242d {+03d 14' 30"} (J2000),
                  +3.271d {+03d 16' 16"} (current),
                  +3.166d {+03d 09' 59"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=905 [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:        18523 TJD;    40 DOY;   19/02/09
GRB_TIME:        52121.61 SOD {14:28:41.61} UT
GRB_PHI:         -18.49 [deg]
GRB_THETA:        29.62 [deg]
SOLN_STATUS:     0x299D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.03 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  -5 -100  +1 -75  +1 
SUN_POSTN:       322.94d {+21h 31m 46s}  -14.64d {-14d 38' 24"}
SUN_DIST:         40.56 [deg]   Sun_angle= 2.4 [hr] (West of Sun)
MOON_POSTN:       13.07d {+00h 52m 16s}   +0.05d {+00d 02' 49"}
MOON_DIST:        86.86 [deg]
MOON_ILLUM:      19 [%]
GAL_COORDS:       37.24, -1.29 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      287.75, 25.70 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=10568=4U_1901+03,   delta=0.067 [deg].  
COMMENTS:        This matches a source in the ground catalog: 4U_1901+03,   delta=0.067 [deg].  
COMMENTS:        There is a bright star (mag=6.73) 6.90 arcmin from this position.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 09 Feb 19 14:46:06 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     888312,   Seg_Num: 0
GRB_RA:          285.972d {+19h 03m 53s} (J2000),
                 286.211d {+19h 04m 51s} (current),
                 285.346d {+19h 01m 23s} (1950)
GRB_DEC:          +3.242d {+03d 14' 30"} (J2000),
                  +3.271d {+03d 16' 16"} (current),
                  +3.166d {+03d 09' 59"} (1950)
GRB_DATE:        18523 TJD;    40 DOY;   19/02/09
GRB_TIME:        52121.61 SOD {14:28:41.61} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -18.49 [deg]
GRB_THETA:        29.62 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.03 [sigma]
LC_URL:          sw00888312000msb.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:
Sat Feb  9 09:46:23 EST 2019