TDRSS lightcurve for Trigger=554491

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 25 Apr 13 19:15:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     554491,   Seg_Num: 0
GRB_RA:          266.412d {+17h 45m 39s} (J2000),
                 266.624d {+17h 46m 30s} (current),
                 265.618d {+17h 42m 28s} (1950)
GRB_DEC:         -28.990d {-28d 59' 22"} (J2000),
                 -28.994d {-28d 59' 38"} (current),
                 -28.970d {-28d 58' 12"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       267 [cnts]    Image_Peak=48 [image_cnts]
TRIGGER_DUR:     0.032 [sec] 
TRIGGER_INDEX:   10318     E_range: 25-100 keV
BKG_INTEN:       25652 [cnts]
BKG_TIME:        69309.51 SOD {19:15:09.51} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16407 TJD;   115 DOY;   13/04/25
GRB_TIME:        69324.87 SOD {19:15:24.87} UT
GRB_PHI:         -51.57 [deg]
GRB_THETA:         0.02 [deg]
SOLN_STATUS:     0x10D
RATE_SIGNIF:     14.24 [sigma]
IMAGE_SIGNIF:    8.09 [sigma]
MERIT_PARAMS:     +0  +0 +95  -5  +2  -2  +0  +1 +62  +0 
SUN_POSTN:        33.43d {+02h 13m 44s}  +13.43d {+13d 26' 00"}
SUN_DIST:        128.49 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:      212.74d {+14h 10m 58s}  -14.35d {-14d 21' 16"}
MOON_DIST:        51.71 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      359.96, -0.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      266.85, -5.59 [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=10588=1E_1742.5-2859,   delta=0.105 [deg].  
COMMENTS:        This matches a source in the ground catalog: IGR J17456-2901,   delta=0.031 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 59.64,-8.40 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 25 Apr 13 19:32:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554491,   Seg_Num: 0
GRB_RA:          266.412d {+17h 45m 39s} (J2000),
                 266.624d {+17h 46m 30s} (current),
                 265.618d {+17h 42m 28s} (1950)
GRB_DEC:         -28.990d {-28d 59' 22"} (J2000),
                 -28.994d {-28d 59' 38"} (current),
                 -28.970d {-28d 58' 12"} (1950)
GRB_DATE:        16407 TJD;   115 DOY;   13/04/25
GRB_TIME:        69325.04 SOD {19:15:25.04} UT
TRIGGER_INDEX:   10318
GRB_PHI:         -51.57 [deg]
GRB_THETA:         0.02 [deg]
DELTA_TIME:      48.00 [sec]
TRIGGER_DUR:     0.032 [sec] 
SOLN_STATUS:     0x10D
RATE_SIGNIF:     14.24 [sigma]
IMAGE_SIGNIF:    8.09 [sigma]
LC_URL:          sw00554491000msb.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 Apr 25 15:32:44 EDT 2013