TDRSS lightcurve for Trigger=517876

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Mar 12 12:04:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     517876,   Seg_Num: 0
GRB_RA:          270.260d {+18h 01m 02s} (J2000),
                 270.448d {+18h 01m 47s} (current),
                 269.489d {+17h 57m 57s} (1950)
GRB_DEC:         -25.087d {-25d 05' 13"} (J2000),
                 -25.087d {-25d 05' 12"} (current),
                 -25.087d {-25d 05' 11"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=15867 [image_cnts]
TRIGGER_DUR:     792.000 [sec]   (=13.2 [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:        16002 TJD;    76 DOY;   12/03/16
GRB_TIME:        42640.00 SOD {11:50:40.00} UT
GRB_PHI:         -144.13 [deg]
GRB_THETA:        15.84 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    13.77 [sigma]
MERIT_PARAMS:     +0  +0 +123  +2  +1  +3  -5  +1  -6  +0 
SUN_POSTN:       356.61d {+23h 46m 26s}   -1.47d {-01d 28' 06"}
SUN_DIST:         85.90 [deg]   Sun_angle= 5.7 [hr] (West of Sun)
MOON_POSTN:      285.24d {+19h 00m 57s}  -19.72d {-19d 43' 01"}
MOON_DIST:        14.68 [deg]
MOON_ILLUM:      35 [%]
GAL_COORDS:        5.06, -1.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      270.24, -1.65 [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=10112=SAX_J1819.3-252,   delta=4.155 [deg].  
COMMENTS:        This matches a source in the ground catalog: GX_5-1,   delta=0.010 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 314.36,4.55 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Mar 12 12:15:26 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     517876,   Seg_Num: 0
GRB_RA:          270.260d {+18h 01m 02s} (J2000),
                 270.448d {+18h 01m 47s} (current),
                 269.489d {+17h 57m 57s} (1950)
GRB_DEC:         -25.087d {-25d 05' 13"} (J2000),
                 -25.087d {-25d 05' 12"} (current),
                 -25.087d {-25d 05' 11"} (1950)
GRB_DATE:        16002 TJD;    76 DOY;   12/03/16
GRB_TIME:        42640.00 SOD {11:50:40.00} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -144.13 [deg]
GRB_THETA:        15.84 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     792.000 [sec]   (=13.2 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    13.77 [sigma]
LC_URL:          sw00517876000msb.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

Plot creation:
Fri Mar 16 08:16:23 EDT 2012