TDRSS lightcurve for Trigger=453628

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 May 11 02:12:53 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     453628,   Seg_Num: 0
GRB_RA:          261.629d {+17h 26m 31s} (J2000),
                 261.802d {+17h 27m 12s} (current),
                 260.869d {+17h 23m 29s} (1950)
GRB_DEC:         -23.408d {-23d 24' 29"} (J2000),
                 -23.417d {-23d 25' 02"} (current),
                 -23.366d {-23d 21' 56"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6397 [cnts]    Image_Peak=640 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   138     E_range: 15-50 keV
BKG_INTEN:       30331 [cnts]
BKG_TIME:        7921.03 SOD {02:12:01.03} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15700 TJD;   139 DOY;   11/05/19
GRB_TIME:        7936.71 SOD {02:12:16.71} UT
GRB_PHI:          98.63 [deg]
GRB_THETA:        24.09 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     40.87 [sigma]
IMAGE_SIGNIF:    21.44 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  +7  -5  +1 +90  +0 
SUN_POSTN:        55.52d {+03h 42m 04s}  +19.66d {+19d 39' 51"}
SUN_DIST:        155.30 [deg]   Sun_angle= 10.2 [hr] (West of Sun)
MOON_POSTN:      258.68d {+17h 14m 44s}  -23.37d {-23d 22' 24"}
MOON_DIST:         2.86 [deg]
MOON_ILLUM:      96 [%]
GAL_COORDS:        2.37,  6.58 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      262.32, -0.19 [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 does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 14.23,-12.63 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 May 11 02:28:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     453628,   Seg_Num: 0
GRB_RA:          261.629d {+17h 26m 31s} (J2000),
                 261.802d {+17h 27m 12s} (current),
                 260.869d {+17h 23m 29s} (1950)
GRB_DEC:         -23.408d {-23d 24' 29"} (J2000),
                 -23.417d {-23d 25' 02"} (current),
                 -23.366d {-23d 21' 56"} (1950)
GRB_DATE:        15700 TJD;   139 DOY;   11/05/19
GRB_TIME:        7936.71 SOD {02:12:16.71} UT
TRIGGER_INDEX:   138
GRB_PHI:          98.63 [deg]
GRB_THETA:        24.09 [deg]
DELTA_TIME:      32.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     40.87 [sigma]
IMAGE_SIGNIF:    21.44 [sigma]
LC_URL:          sw00453628000msb.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:
Wed May 18 22:29:28 EDT 2011