TDRSS lightcurve for Trigger=152451

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 28 Aug 05 15:13:02 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     152451,   Seg_Num: 0
GRB_RA:          285.046d {+19h 00m 11s} (J2000),
                 285.132d {+19h 00m 32s} (current),
                 284.280d {+18h 57m 07s} (1950)
GRB_DEC:         -24.925d {-24d 55' 28"} (J2000),
                 -24.917d {-24d 54' 59"} (current),
                 -24.995d {-24d 59' 42"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       8053 [cnts]    Image_Peak=198 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   404     E_range: 15-25 keV
BKG_INTEN:       83505 [cnts]
BKG_TIME:        54544.00 SOD {15:09:04.00} UT
BKG_DUR:         24 [sec]
GRB_DATE:        13610 TJD;   240 DOY;   05/08/28
GRB_TIME:        54576.62 SOD {15:09:36.62} UT
GRB_PHI:          84.86 [deg]
GRB_THETA:        28.37 [deg]
SOLN_STATUS:     0x14D
RATE_SIGNIF:     11.40 [sigma]
IMAGE_SIGNIF:    7.19 [sigma]
MERIT_PARAMS:     +0  +0 +100  +1  +0  +1  +0  +1 +61  +1 
SUN_POSTN:       157.22d {+10h 28m 53s}   +9.53d {+09d 31' 40"}
SUN_DIST:        128.26 [deg]
MOON_POSTN:       87.93d {+05h 51m 43s}  +28.42d {+28d 24' 59"}
MOON_DIST:       164.25 [deg]
MOON_ILLUM:      31 [%]
GAL_COORDS:       11.30,-12.88 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      283.63, -2.19 [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.  
COMMENTS:        This matches a source in the ground catalog: HT1900.1-2455,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred during a high background rate interval.  
COMMENTS:        This is an interesting source.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 28 Aug 05 15:13:40 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     152451,   Seg_Num: 0
GRB_RA:          285.046d {+19h 00m 11s} (J2000),
                 285.132d {+19h 00m 32s} (current),
                 284.280d {+18h 57m 07s} (1950)
GRB_DEC:         -24.925d {-24d 55' 28"} (J2000),
                 -24.917d {-24d 54' 59"} (current),
                 -24.995d {-24d 59' 42"} (1950)
GRB_DATE:        13610 TJD;   240 DOY;   05/08/28
GRB_TIME:        54576.62 SOD {15:09:36.62} UT
TRIGGER_INDEX:   404
GRB_PHI:          84.86 [deg]
GRB_THETA:        28.37 [deg]
DELTA_TIME:      65504.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
LC_URL:          sw00152451000msb.lc
SUN_POSTN:       157.22d {+10h 28m 53s}   +9.53d {+09d 31' 40"}
SUN_DIST:        128.26 [deg]
MOON_POSTN:       87.93d {+05h 51m 43s}  +28.42d {+28d 24' 59"}

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:
Sun Aug 28 11:15:03 EDT 2005