TDRSS lightcurve for Trigger=227996

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 04 Sep 06 01:03:39 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     227996,   Seg_Num: 0
GRB_RA:          237.743d {+15h 50m 58s} (J2000),
                 237.797d {+15h 51m 11s} (current),
                 237.338d {+15h 49m 21s} (1950)
GRB_DEC:         +44.966d {+44d 57' 57"} (J2000),
                 +44.946d {+44d 56' 46"} (current),
                 +45.115d {+45d 06' 55"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5218 [cnts]    Image_Peak=210 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       34141 [cnts]
BKG_TIME:        3782.57 SOD {01:03:02.57} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13982 TJD;   247 DOY;   06/09/04
GRB_TIME:        3801.20 SOD {01:03:21.20} UT
GRB_PHI:         132.64 [deg]
GRB_THETA:        13.69 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.12 [sigma]
IMAGE_SIGNIF:    7.71 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +1  +0  +0 -27  +1 
SUN_POSTN:       162.82d {+10h 51m 17s}   +7.30d {+07d 17' 49"}
SUN_DIST:         74.24 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:      292.08d {+19h 28m 19s}  -26.70d {-26d 42' 12"}
MOON_DIST:        87.04 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       71.66, 50.21 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      215.35, 62.42 [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 = 156.19,3.99 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 04 Sep 06 01:20:04 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     227996,   Seg_Num: 0
GRB_RA:          237.743d {+15h 50m 58s} (J2000),
                 237.797d {+15h 51m 11s} (current),
                 237.338d {+15h 49m 21s} (1950)
GRB_DEC:         +44.966d {+44d 57' 57"} (J2000),
                 +44.946d {+44d 56' 46"} (current),
                 +45.115d {+45d 06' 55"} (1950)
GRB_DATE:        13982 TJD;   247 DOY;   06/09/04
GRB_TIME:        3801.20 SOD {01:03:21.20} UT
TRIGGER_INDEX:   146
GRB_PHI:         132.64 [deg]
GRB_THETA:        13.69 [deg]
DELTA_TIME:      58.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.12 [sigma]
IMAGE_SIGNIF:    7.71 [sigma]
LC_URL:          sw00227996000msb.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 Sep  3 21:20:23 EDT 2006