TDRSS lightcurve for Trigger=518626

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 26 Mar 12 01:20:49 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     518626,   Seg_Num: 0
GRB_RA:          273.925d {+18h 15m 42s} (J2000),
                 273.902d {+18h 15m 36s} (current),
                 274.018d {+18h 16m 04s} (1950)
GRB_DEC:         +69.278d {+69d 16' 41"} (J2000),
                 +69.283d {+69d 16' 58"} (current),
                 +69.259d {+69d 15' 31"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2293 [cnts]    Image_Peak=130 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   121     E_range: 15-50 keV
BKG_INTEN:       28837 [cnts]
BKG_TIME:        4815.96 SOD {01:20:15.96} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16012 TJD;    86 DOY;   12/03/26
GRB_TIME:        4829.28 SOD {01:20:29.28} UT
GRB_PHI:         -119.78 [deg]
GRB_THETA:        15.33 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.14 [sigma]
IMAGE_SIGNIF:    7.23 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +1  -3  +0  +0  -2  +0 
SUN_POSTN:         5.32d {+00h 21m 16s}   +2.30d {+02d 18' 01"}
SUN_DIST:         88.35 [deg]   Sun_angle= 6.1 [hr] (West of Sun)
MOON_POSTN:       40.49d {+02h 41m 58s}  +17.76d {+17d 45' 37"}
MOON_DIST:        85.15 [deg]
MOON_ILLUM:      10 [%]
GAL_COORDS:       99.52, 28.39 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       63.31, 86.91 [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 = 74.21,-7.93 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 26 Mar 12 01:37:17 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     518626,   Seg_Num: 0
GRB_RA:          273.925d {+18h 15m 42s} (J2000),
                 273.902d {+18h 15m 36s} (current),
                 274.018d {+18h 16m 04s} (1950)
GRB_DEC:         +69.278d {+69d 16' 41"} (J2000),
                 +69.283d {+69d 16' 58"} (current),
                 +69.259d {+69d 15' 31"} (1950)
GRB_DATE:        16012 TJD;    86 DOY;   12/03/26
GRB_TIME:        4829.28 SOD {01:20:29.28} UT
TRIGGER_INDEX:   121
GRB_PHI:         -119.78 [deg]
GRB_THETA:        15.33 [deg]
DELTA_TIME:      -51.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.14 [sigma]
IMAGE_SIGNIF:    7.23 [sigma]
LC_URL:          sw00518626000msb.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:
Sun Mar 25 21:37:23 EDT 2012