TDRSS lightcurve for Trigger=521085

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 28 Apr 12 15:56:33 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     521085,   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:         -47.411d {-47d 24' 39"} (J2000),
                 -47.436d {-47d 26' 09"} (current),
                 -47.307d {-47d 18' 24"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=4493 [image_cnts]
TRIGGER_DUR:     336.000 [sec]   (=5.6 [min])
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:        16045 TJD;   119 DOY;   12/04/28
GRB_TIME:        57031.84 SOD {15:50:31.84} UT
GRB_PHI:         169.29 [deg]
GRB_THETA:         6.84 [deg]
SOLN_STATUS:     0x113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.80 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -1  +0  +1 +73  +0 
SUN_POSTN:        36.37d {+02h 25m 29s}  +14.42d {+14d 25' 05"}
SUN_DIST:        137.45 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      120.95d {+08h 03m 47s}  +15.95d {+15d 57' 03"}
MOON_DIST:       126.94 [deg]
MOON_ILLUM:      42 [%]
GAL_COORDS:      336.90,  0.23 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      254.11,-25.15 [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 does not match any source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: IGR J16328-4726,   delta=0.224 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 120.71,4.51 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 28 Apr 12 16:07:11 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     521085,   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:         -47.411d {-47d 24' 39"} (J2000),
                 -47.436d {-47d 26' 09"} (current),
                 -47.307d {-47d 18' 24"} (1950)
GRB_DATE:        16045 TJD;   119 DOY;   12/04/28
GRB_TIME:        57031.84 SOD {15:50:31.84} UT
TRIGGER_INDEX:   20000
GRB_PHI:         169.29 [deg]
GRB_THETA:         6.84 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     336.000 [sec]   (=5.6 [min])
SOLN_STATUS:     0x113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.80 [sigma]
LC_URL:          sw00521085000msb.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:
Sat Apr 28 12:07:23 EDT 2012