TDRSS lightcurve for Trigger=131156

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 01 Jun 05 04:25:52 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     131156,   Seg_Num: 0
GRB_RA:          298.980d {+19h 55m 55s} (J2000),
                 299.031d {+19h 56m 07s} (current),
                 298.509d {+19h 54m 02s} (1950)
GRB_DEC:         +34.763d {+34d 45' 45"} (J2000),
                 +34.777d {+34d 46' 38"} (current),
                 +34.629d {+34d 37' 43"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       75161 [cnts]    Peak=1066 [cnts/sec]
TRIGGER_DUR:     16.384 [sec]
TRIGGER_INDEX:   462     E_range: 15-50 keV
BKG_INTEN:       268046 [cnts]
BKG_TIME:        15784.00 SOD {04:23:04.00} UT
BKG_DUR:         64 [sec]
GRB_DATE:        13522 TJD;   152 DOY;   05/06/01
GRB_TIME:        15884.67 SOD {04:24:44.67} UT
GRB_PHI:          32.64 [deg]
GRB_THETA:        31.14 [deg]
SOLN_STATUS:     0x103
RATE_SIGNIF:     7.07 [sigma]
IMAGE_SIGNIF:    10.00 [sigma]
MERIT_PARAMS:     +1  +0  +0  +5  +1  -1  +0  +1 +27  +1 
SUN_POSTN:        69.21d {+04h 36m 50s}  +22.06d {+22d 03' 44"}
SUN_DIST:        106.07 [deg]
MOON_POSTN:        2.83d {+00h 11m 18s}   -0.69d {-00d 41' 11"}
MOON_DIST:        69.16 [deg]
MOON_ILLUM:      32 [%]
GAL_COORDS:       70.70,  3.27 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      312.62, 54.00 [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 matches a source in the ground catalog: Cyg X-1.  
COMMENTS:        This is not a GRB.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 01 Jun 05 04:28:09 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     131156,   Seg_Num: 0
GRB_RA:          298.980d {+19h 55m 55s} (J2000),
                 299.031d {+19h 56m 07s} (current),
                 298.509d {+19h 54m 02s} (1950)
GRB_DEC:         +34.763d {+34d 45' 45"} (J2000),
                 +34.777d {+34d 46' 38"} (current),
                 +34.629d {+34d 37' 43"} (1950)
GRB_DATE:        13522 TJD;   152 DOY;   05/06/01
GRB_TIME:        15884.67 SOD {04:24:44.67} UT
TRIGGER_INDEX:   462
GRB_PHI:          32.64 [deg]
GRB_THETA:        31.14 [deg]
DELTA_TIME:      57.00 [sec]
LC_URL:          sw00131156000msb.lc
SUN_POSTN:        69.21d {+04h 36m 50s}  +22.06d {+22d 03' 44"}
SUN_DIST:        106.07 [deg]
MOON_POSTN:        2.83d {+00h 11m 18s}   -0.69d {-00d 41' 11"}
MOON_DIST:        69.16 [deg]

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:
Wed Jun  1 00:30:07 EDT 2005