TDRSS lightcurve for Trigger=645944

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 23 Jun 15 22:42:42 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     645944,   Seg_Num: 0
GRB_RA:          267.232d {+17h 48m 56s} (J2000),
                 267.462d {+17h 49m 51s} (current),
                 266.488d {+17h 45m 57s} (1950)
GRB_DEC:         -20.395d {-20d 23' 42"} (J2000),
                 -20.399d {-20d 23' 57"} (current),
                 -20.380d {-20d 22' 48"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       5387 [cnts]    Image_Peak=175 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   248     E_range: 15-25 keV
BKG_INTEN:       57793 [cnts]
BKG_TIME:        81690.24 SOD {22:41:30.24} UT
BKG_DUR:         24 [sec]
GRB_DATE:        17196 TJD;   174 DOY;   15/06/23
GRB_TIME:        81728.64 SOD {22:42:08.64} UT
GRB_PHI:          58.09 [deg]
GRB_THETA:         9.93 [deg]
SOLN_STATUS:     0x98D
RATE_SIGNIF:     5.56 [sigma]
IMAGE_SIGNIF:    6.28 [sigma]
MERIT_PARAMS:     +0  +0 +95  +1  +0  -4  +0  +1 +99  +1 
SUN_POSTN:        92.34d {+06h 09m 22s}  +23.42d {+23d 25' 09"}
SUN_DIST:        174.56 [deg]   Sun_angle= -11.7 [hr] (East of Sun)
MOON_POSTN:      176.55d {+11h 46m 12s}   +0.63d {+00d 37' 34"}
MOON_DIST:        91.07 [deg]
MOON_ILLUM:      45 [%]
GAL_COORDS:        7.70,  3.77 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      267.40,  3.02 [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 matches a source in the on-board catalog: Num=10074=H1745-203,   delta=0.028 [deg].  
COMMENTS:        This matches a source in the ground catalog: H1745-203,   delta=0.028 [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 = 41.65,12.94 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 23 Jun 15 22:58:55 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     645944,   Seg_Num: 0
GRB_RA:          267.232d {+17h 48m 56s} (J2000),
                 267.462d {+17h 49m 51s} (current),
                 266.488d {+17h 45m 57s} (1950)
GRB_DEC:         -20.395d {-20d 23' 42"} (J2000),
                 -20.399d {-20d 23' 57"} (current),
                 -20.380d {-20d 22' 48"} (1950)
GRB_DATE:        17196 TJD;   174 DOY;   15/06/23
GRB_TIME:        81728.64 SOD {22:42:08.64} UT
TRIGGER_INDEX:   248
GRB_PHI:          58.09 [deg]
GRB_THETA:         9.93 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x98D
RATE_SIGNIF:     5.56 [sigma]
IMAGE_SIGNIF:    6.28 [sigma]
LC_URL:          sw00645944000msb.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:
Tue Jun 23 18:59:22 EDT 2015