TDRSS lightcurve for Trigger=644596

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 18 Jun 15 08:53:54 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     644596,   Seg_Num: 0
GRB_RA:          305.998d {+20h 24m 00s} (J2000),
                 306.150d {+20h 24m 36s} (current),
                 305.509d {+20h 22m 02s} (1950)
GRB_DEC:         +33.864d {+33d 51' 49"} (J2000),
                 +33.914d {+33d 54' 51"} (current),
                 +33.701d {+33d 42' 03"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=15271 [image_cnts]
TRIGGER_DUR:     72.000 [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:        17191 TJD;   169 DOY;   15/06/18
GRB_TIME:        31946.26 SOD {08:52:26.26} UT
GRB_PHI:         -142.19 [deg]
GRB_THETA:         0.02 [deg]
SOLN_STATUS:     0x1000001D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    25.57 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +9  +0  +1 +36  +0 
SUN_POSTN:        86.55d {+05h 46m 11s}  +23.40d {+23d 23' 55"}
SUN_DIST:        111.42 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      109.41d {+07h 17m 39s}  +17.34d {+17d 20' 09"}
MOON_DIST:       126.32 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:       73.11, -2.08 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.04, 51.12 [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=23949=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 316.29,5.43 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the INTEGRAL event (trignum=7021).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 18 Jun 15 09:09:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     644596,   Seg_Num: 0
GRB_RA:          305.998d {+20h 24m 00s} (J2000),
                 306.150d {+20h 24m 36s} (current),
                 305.509d {+20h 22m 02s} (1950)
GRB_DEC:         +33.864d {+33d 51' 49"} (J2000),
                 +33.914d {+33d 54' 51"} (current),
                 +33.701d {+33d 42' 03"} (1950)
GRB_DATE:        17191 TJD;   169 DOY;   15/06/18
GRB_TIME:        31946.26 SOD {08:52:26.26} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -142.19 [deg]
GRB_THETA:         0.02 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     72.000 [sec] 
SOLN_STATUS:     0x1D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    25.57 [sigma]
LC_URL:          sw00644596000msb.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:
Thu Jun 18 05:09:42 EDT 2015