TDRSS lightcurve for Trigger=521442

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 03 May 12 05:09:16 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     521442,   Seg_Num: 0
GRB_RA:          248.519d {+16h 34m 05s} (J2000),
                 248.747d {+16h 34m 59s} (current),
                 247.598d {+16h 30m 24s} (1950)
GRB_DEC:         -47.401d {-47d 24' 02"} (J2000),
                 -47.426d {-47d 25' 32"} (current),
                 -47.297d {-47d 17' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2232 [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:        16050 TJD;   124 DOY;   12/05/03
GRB_TIME:        18471.83 SOD {05:07:51.83} UT
GRB_PHI:         -141.65 [deg]
GRB_THETA:         0.25 [deg]
SOLN_STATUS:     0x1000011D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.62 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +0  +0  +1 +77  +0 
SUN_POSTN:        40.72d {+02h 42m 53s}  +15.79d {+15d 47' 31"}
SUN_DIST:        140.81 [deg]   Sun_angle= 10.1 [hr] (West of Sun)
MOON_POSTN:      180.01d {+12h 00m 02s}   -5.02d {-05d 01' 13"}
MOON_DIST:        72.01 [deg]
MOON_ILLUM:      88 [%]
GAL_COORDS:      336.91,  0.24 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      254.11,-25.14 [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=21085=(null) (probably an AT_Slot).  
COMMENTS:        This matches a source in the ground catalog: 4U_1630-472,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 308.87,19.85 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the SWIFT_BAT event (trignum=521085).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 03 May 12 05:25:56 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     521442,   Seg_Num: 0
GRB_RA:          248.519d {+16h 34m 05s} (J2000),
                 248.747d {+16h 34m 59s} (current),
                 247.598d {+16h 30m 24s} (1950)
GRB_DEC:         -47.401d {-47d 24' 02"} (J2000),
                 -47.426d {-47d 25' 32"} (current),
                 -47.297d {-47d 17' 48"} (1950)
GRB_DATE:        16050 TJD;   124 DOY;   12/05/03
GRB_TIME:        18471.83 SOD {05:07:51.83} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -141.65 [deg]
GRB_THETA:         0.25 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.62 [sigma]
LC_URL:          sw00521442000msb.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 May  3 01:26:44 EDT 2012