TDRSS lightcurve for Trigger=500108

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 07:14:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     500108,   Seg_Num: 0
GRB_RA:          277.363d {+18h 29m 27s} (J2000),
                 277.540d {+18h 30m 10s} (current),
                 276.600d {+18h 26m 24s} (1950)
GRB_DEC:         -23.790d {-23d 47' 23"} (J2000),
                 -23.782d {-23d 46' 52"} (current),
                 -23.824d {-23d 49' 24"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=4096 [image_cnts]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [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:        25696.74 SOD {07:08:16.74} UT
GRB_PHI:          -5.36 [deg]
GRB_THETA:         5.49 [deg]
SOLN_STATUS:     0x19D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.53 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  -4  +0  +1 +73  +0 
SUN_POSTN:       141.68d {+09h 26m 42s}  +15.05d {+15d 02' 49"}
SUN_DIST:        137.64 [deg]   Sun_angle= -9.1 [hr] (East of Sun)
MOON_POSTN:      303.23d {+20h 12m 56s}  -16.54d {-16d 32' 14"}
MOON_DIST:        25.14 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:        9.28, -6.08 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      276.73, -0.52 [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=15311=(null) (probably an AT_Slot).  
COMMENTS:        This matches a source in the ground catalog: GS 1826-238,   delta=0.010 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 173.26,14.72 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 12 Aug 11 07:25:00 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     500108,   Seg_Num: 0
GRB_RA:          277.363d {+18h 29m 27s} (J2000),
                 277.540d {+18h 30m 10s} (current),
                 276.600d {+18h 26m 24s} (1950)
GRB_DEC:         -23.790d {-23d 47' 23"} (J2000),
                 -23.782d {-23d 46' 52"} (current),
                 -23.824d {-23d 49' 24"} (1950)
GRB_DATE:        15785 TJD;   224 DOY;   11/08/12
GRB_TIME:        25696.74 SOD {07:08:16.74} UT
TRIGGER_INDEX:   20000
GRB_PHI:          -5.36 [deg]
GRB_THETA:         5.49 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [min])
SOLN_STATUS:     0x19D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.53 [sigma]
LC_URL:          sw00500108000msb.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

Plot creation:
Fri Aug 12 03:25:44 EDT 2011