TDRSS lightcurve for Trigger=552369

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 30 Mar 13 15:11:57 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     552369,   Seg_Num: 0
GRB_RA:          276.149d {+18h 24m 36s} (J2000),
                 276.352d {+18h 25m 25s} (current),
                 275.380d {+18h 21m 31s} (1950)
GRB_DEC:         -24.877d {-24d 52' 36"} (J2000),
                 -24.869d {-24d 52' 07"} (current),
                 -24.905d {-24d 54' 17"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1805 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
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:        16381 TJD;    89 DOY;   13/03/30
GRB_TIME:        54637.61 SOD {15:10:37.61} UT
GRB_PHI:         -94.57 [deg]
GRB_THETA:         0.02 [deg]
SOLN_STATUS:     0x1000011D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.10 [sigma]
MERIT_PARAMS:     +0  +0 +124  +6  +1  -2  +0  +1  +7  +0 
SUN_POSTN:         9.26d {+00h 37m 03s}   +3.99d {+03d 59' 29"}
SUN_DIST:         94.32 [deg]   Sun_angle= 6.2 [hr] (West of Sun)
MOON_POSTN:      230.43d {+15h 21m 43s}  -18.07d {-18d 04' 23"}
MOON_DIST:        43.08 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:        7.80, -5.59 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      275.58, -1.56 [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=10753=M28,   delta=0.011 [deg].  
COMMENTS:        This matches a source in the ground catalog: M28,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 174.14,-1.30 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the SWIFT_BAT event (trignum=552336).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 30 Mar 13 15:23:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     552369,   Seg_Num: 0
GRB_RA:          276.149d {+18h 24m 36s} (J2000),
                 276.352d {+18h 25m 25s} (current),
                 275.380d {+18h 21m 31s} (1950)
GRB_DEC:         -24.877d {-24d 52' 36"} (J2000),
                 -24.869d {-24d 52' 07"} (current),
                 -24.905d {-24d 54' 17"} (1950)
GRB_DATE:        16381 TJD;    89 DOY;   13/03/30
GRB_TIME:        54637.61 SOD {15:10:37.61} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -94.57 [deg]
GRB_THETA:         0.02 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.10 [sigma]
LC_URL:          sw00552369000msb.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

Plot creation:
Sat Mar 30 11:24:27 EDT 2013