TDRSS lightcurve for Trigger=643949

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 15 Jun 15 18:33:47 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     643949,   Seg_Num: 0
GRB_RA:          306.020d {+20h 24m 05s} (J2000),
                 306.172d {+20h 24m 41s} (current),
                 305.531d {+20h 22m 07s} (1950)
GRB_DEC:         +33.850d {+33d 50' 59"} (J2000),
                 +33.900d {+33d 54' 02"} (current),
                 +33.687d {+33d 41' 13"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2789 [image_cnts]
TRIGGER_DUR:     112.000 [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:        17188 TJD;   166 DOY;   15/06/15
GRB_TIME:        66698.27 SOD {18:31:38.27} UT
GRB_PHI:         107.10 [deg]
GRB_THETA:        21.01 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    11.73 [sigma]
MERIT_PARAMS:     +1  +0  +0  +7  +1  +1  +0  +1 +34  +0 
SUN_POSTN:        83.85d {+05h 35m 23s}  +23.32d {+23d 18' 58"}
SUN_DIST:        110.05 [deg]   Sun_angle= 9.2 [hr] (West of Sun)
MOON_POSTN:       73.27d {+04h 53m 05s}  +17.86d {+17d 51' 26"}
MOON_DIST:       107.79 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:       73.11, -2.10 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.06, 51.10 [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 = 158.32,15.61 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 15 Jun 15 18:50:10 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     643949,   Seg_Num: 0
GRB_RA:          306.020d {+20h 24m 05s} (J2000),
                 306.172d {+20h 24m 41s} (current),
                 305.531d {+20h 22m 07s} (1950)
GRB_DEC:         +33.850d {+33d 50' 59"} (J2000),
                 +33.900d {+33d 54' 02"} (current),
                 +33.687d {+33d 41' 13"} (1950)
GRB_DATE:        17188 TJD;   166 DOY;   15/06/15
GRB_TIME:        66698.27 SOD {18:31:38.27} UT
TRIGGER_INDEX:   20000
GRB_PHI:         107.10 [deg]
GRB_THETA:        21.01 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     112.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    11.73 [sigma]
LC_URL:          sw00643949000msb.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 Jun 15 14:59:03 EDT 2015