TDRSS lightcurve for Trigger=755867

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 04 Jun 17 19:09:34 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     755867,   Seg_Num: 0
GRB_RA:          342.645d {+22h 50m 35s} (J2000),
                 342.876d {+22h 51m 30s} (current),
                 341.981d {+22h 47m 55s} (1950)
GRB_DEC:         -15.414d {-15d 24' 50"} (J2000),
                 -15.322d {-15d 19' 17"} (current),
                 -15.680d {-15d 40' 45"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       13046 [cnts]    Image_Peak=219 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   307     E_range: 50-350 keV
BKG_INTEN:       93792 [cnts]
BKG_TIME:        68876.83 SOD {19:07:56.83} UT
BKG_DUR:         40 [sec]
GRB_DATE:        17908 TJD;   155 DOY;   17/06/04
GRB_TIME:        68930.40 SOD {19:08:50.40} UT
GRB_PHI:         165.47 [deg]
GRB_THETA:        52.39 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     30.62 [sigma]
IMAGE_SIGNIF:    7.97 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +3  -2  +0  +0 +10  +0 
SUN_POSTN:        73.02d {+04h 52m 05s}  +22.52d {+22d 31' 07"}
SUN_DIST:         95.94 [deg]   Sun_angle= 6.0 [hr] (West of Sun)
MOON_POSTN:      201.96d {+13h 27m 52s}   -4.79d {-04d 47' 05"}
MOON_DIST:       136.38 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       49.39,-59.61 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      338.12, -7.44 [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 = 224.74,-1.67 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 04 Jun 17 19:39:03 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     755867,   Seg_Num: 0
GRB_RA:          342.645d {+22h 50m 35s} (J2000),
                 342.876d {+22h 51m 30s} (current),
                 341.981d {+22h 47m 55s} (1950)
GRB_DEC:         -15.414d {-15d 24' 50"} (J2000),
                 -15.322d {-15d 19' 17"} (current),
                 -15.680d {-15d 40' 45"} (1950)
GRB_DATE:        17908 TJD;   155 DOY;   17/06/04
GRB_TIME:        68930.40 SOD {19:08:50.40} UT
TRIGGER_INDEX:   307
GRB_PHI:         165.47 [deg]
GRB_THETA:        52.39 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     30.62 [sigma]
IMAGE_SIGNIF:    7.97 [sigma]
LC_URL:          sw00755867000msb.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:
Sun Jun  4 15:42:09 EDT 2017