TDRSS lightcurve for Trigger=500116

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 12 Aug 11 09:21:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     500116,   Seg_Num: 0
GRB_RA:          274.003d {+18h 16m 01s} (J2000),
                 274.168d {+18h 16m 40s} (current),
                 273.293d {+18h 13m 10s} (1950)
GRB_DEC:         -14.022d {-14d 01' 19"} (J2000),
                 -14.018d {-14d 01' 03"} (current),
                 -14.040d {-14d 02' 23"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=19802 [image_cnts]
TRIGGER_DUR:     1600.000 [sec]   (=26.7 [min])
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:        15785 TJD;   224 DOY;   11/08/12
GRB_TIME:        32024.74 SOD {08:53:44.74} UT
GRB_PHI:         -138.16 [deg]
GRB_THETA:         7.00 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.07 [sigma]
MERIT_PARAMS:     +0  +0 +95  +5  +1  +0  +0  +1 +69  +0 
SUN_POSTN:       141.76d {+09h 27m 02s}  +15.02d {+15d 01' 13"}
SUN_DIST:        134.01 [deg]   Sun_angle= -8.8 [hr] (East of Sun)
MOON_POSTN:      304.36d {+20h 17m 26s}  -16.21d {-16d 12' 50"}
MOON_DIST:        29.20 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:       16.44,  1.29 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      273.94,  9.36 [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=15049=(null) (probably an AT_Slot).  
COMMENTS:        This matches a source in the ground catalog: GX 17+2,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 260.21,5.86 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 12 Aug 11 09:29:15 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     500116,   Seg_Num: 0
GRB_RA:          274.003d {+18h 16m 01s} (J2000),
                 274.168d {+18h 16m 40s} (current),
                 273.293d {+18h 13m 10s} (1950)
GRB_DEC:         -14.022d {-14d 01' 19"} (J2000),
                 -14.018d {-14d 01' 03"} (current),
                 -14.040d {-14d 02' 23"} (1950)
GRB_DATE:        15785 TJD;   224 DOY;   11/08/12
GRB_TIME:        32024.74 SOD {08:53:44.74} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -138.16 [deg]
GRB_THETA:         7.00 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1600.000 [sec]   (=26.7 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.07 [sigma]
LC_URL:          sw00500116000msb.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:
Fri Aug 12 05:29:43 EDT 2011