TDRSS lightcurve for Trigger=731257

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Jan 17 14:52:58 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     731257,   Seg_Num: 0
GRB_RA:          259.901d {+17h 19m 36s} (J2000),
                 260.163d {+17h 20m 39s} (current),
                 259.133d {+17h 16m 32s} (1950)
GRB_DEC:         -24.998d {-24d 59' 50"} (J2000),
                 -25.014d {-25d 00' 49"} (current),
                 -24.947d {-24d 56' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=8860 [image_cnts]
TRIGGER_DUR:     712.000 [sec]   (=11.9 [min])
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:        17762 TJD;     9 DOY;   17/01/09
GRB_TIME:        52845.56 SOD {14:40:45.56} UT
GRB_PHI:         -70.83 [deg]
GRB_THETA:        37.63 [deg]
SOLN_STATUS:     0x10000013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    14.24 [sigma]
MERIT_PARAMS:     +1  +0  +0  +8  +1  +3 -100  +1 -87  +0 
SUN_POSTN:       291.15d {+19h 24m 36s}  -22.01d {-22d 00' 47"}
SUN_DIST:         28.51 [deg]   Sun_angle= 2.1 [hr] (West of Sun)
MOON_POSTN:       69.66d {+04h 38m 39s}  +17.00d {+16d 59' 59"}
MOON_DIST:       167.35 [deg]
MOON_ILLUM:      89 [%]
GAL_COORDS:        0.16,  7.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      260.85, -1.88 [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 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 = 339.23,10.89 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the SWIFT_BAT event (trignum=731183).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Jan 17 15:00:40 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     731257,   Seg_Num: 0
GRB_RA:          259.901d {+17h 19m 36s} (J2000),
                 260.163d {+17h 20m 39s} (current),
                 259.133d {+17h 16m 32s} (1950)
GRB_DEC:         -24.998d {-24d 59' 50"} (J2000),
                 -25.014d {-25d 00' 49"} (current),
                 -24.947d {-24d 56' 48"} (1950)
GRB_DATE:        17762 TJD;     9 DOY;   17/01/09
GRB_TIME:        52845.56 SOD {14:40:45.56} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -70.83 [deg]
GRB_THETA:        37.63 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     712.000 [sec]   (=11.9 [min])
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    14.24 [sigma]
LC_URL:          sw00731257000msb.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

Plot creation:
Mon Jan  9 10:02:04 EST 2017