TDRSS lightcurve for Trigger=675784

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 24 Feb 16 13:45:36 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     675784,   Seg_Num: 0
GRB_RA:          294.956d {+19h 39m 50s} (J2000),
                 295.178d {+19h 40m 43s} (current),
                 294.270d {+19h 37m 05s} (1950)
GRB_DEC:         -10.322d {-10d 19' 19"} (J2000),
                 -10.284d {-10d 17' 02"} (current),
                 -10.438d {-10d 26' 16"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1304 [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:        17442 TJD;    55 DOY;   16/02/24
GRB_TIME:        49456.11 SOD {13:44:16.11} UT
GRB_PHI:         -81.10 [deg]
GRB_THETA:        15.13 [deg]
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.05 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  -5 -100  +0 -74  +1 
SUN_POSTN:       337.20d {+22h 28m 47s}   -9.54d {-09d 32' 12"}
SUN_DIST:         41.37 [deg]   Sun_angle= 2.8 [hr] (West of Sun)
MOON_POSTN:      176.00d {+11h 44m 00s}   +2.22d {+02d 13' 07"}
MOON_DIST:       119.10 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:       29.04,-15.38 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      295.01, 10.98 [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=10570=RXJ1940.2-1025,   delta=0.110 [deg].  
COMMENTS:        This matches a source in the ground catalog: RXJ1940.2-1025,   delta=0.110 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:           
COMMENTS:        The IMAGE_SIGNIF is VERY LOW, this is very likely not real.  
COMMENTS:        This trigger occurred at longitude,latitude = 277.06,13.14 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 24 Feb 16 14:01:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     675784,   Seg_Num: 0
GRB_RA:          294.956d {+19h 39m 50s} (J2000),
                 295.178d {+19h 40m 43s} (current),
                 294.270d {+19h 37m 05s} (1950)
GRB_DEC:         -10.322d {-10d 19' 19"} (J2000),
                 -10.284d {-10d 17' 02"} (current),
                 -10.438d {-10d 26' 16"} (1950)
GRB_DATE:        17442 TJD;    55 DOY;   16/02/24
GRB_TIME:        49456.11 SOD {13:44:16.11} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -81.10 [deg]
GRB_THETA:        15.13 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.05 [sigma]
LC_URL:          sw00675784000msb.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:
Wed Feb 24 09:01:42 EST 2016