TDRSS lightcurve for Trigger=556587

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 24 May 13 23:54:11 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     556587,   Seg_Num: 0
GRB_RA:          244.986d {+16h 19m 57s} (J2000),
                 245.177d {+16h 20m 42s} (current),
                 244.276d {+16h 17m 06s} (1950)
GRB_DEC:         -15.634d {-15d 38' 00"} (J2000),
                 -15.665d {-15d 39' 53"} (current),
                 -15.514d {-15d 30' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1675 [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:        16436 TJD;   144 DOY;   13/05/24
GRB_TIME:        85973.40 SOD {23:52:53.40} UT
GRB_PHI:          79.46 [deg]
GRB_THETA:        38.38 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.13 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +4  -5  +0 +99  +0 
SUN_POSTN:        61.96d {+04h 07m 51s}  +20.94d {+20d 56' 17"}
SUN_DIST:        173.91 [deg]   Sun_angle= 11.8 [hr] (West of Sun)
MOON_POSTN:      239.57d {+15h 58m 17s}  -19.17d {-19d 10' 02"}
MOON_DIST:         6.39 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      359.10, 23.78 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      245.84,  5.73 [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=26570=(null) (probably an AT_Slot).  
COMMENTS:        This matches a source in the ground catalog: Sco_X-1,   delta=0.009 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 49.83,-20.54 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 25 May 13 00:09:54 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     556587,   Seg_Num: 0
GRB_RA:          244.986d {+16h 19m 57s} (J2000),
                 245.177d {+16h 20m 42s} (current),
                 244.276d {+16h 17m 06s} (1950)
GRB_DEC:         -15.634d {-15d 38' 00"} (J2000),
                 -15.665d {-15d 39' 53"} (current),
                 -15.514d {-15d 30' 51"} (1950)
GRB_DATE:        16436 TJD;   144 DOY;   13/05/24
GRB_TIME:        85973.40 SOD {23:52:53.40} UT
TRIGGER_INDEX:   20000
GRB_PHI:          79.46 [deg]
GRB_THETA:        38.38 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.13 [sigma]
LC_URL:          sw00556587000msb.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:
Fri May 24 20:10:08 EDT 2013