TDRSS lightcurve for Trigger=291728

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Sep 07 21:04:49 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     291728,   Seg_Num: 0
GRB_RA:            0.144d {+00h 00m 35s} (J2000),
                   0.243d {+00h 00m 58s} (current),
                  -0.497d {-00h 01m 58s} (1950)
GRB_DEC:         -34.819d {-34d 49' 06"} (J2000),
                 -34.776d {-34d 46' 31"} (current),
                 -35.097d {-35d 05' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5480 [cnts]    Image_Peak=223 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       34983 [cnts]
BKG_TIME:        75853.76 SOD {21:04:13.76} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14363 TJD;   263 DOY;   07/09/20
GRB_TIME:        75872.38 SOD {21:04:32.38} UT
GRB_PHI:         155.61 [deg]
GRB_THETA:         7.84 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.10 [sigma]
IMAGE_SIGNIF:    7.94 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  +3  +0  +0 +82  +1 
SUN_POSTN:       177.73d {+11h 50m 54s}   +0.99d {+00d 59' 08"}
SUN_DIST:        146.13 [deg]   Sun_angle= 11.8 [hr] (West of Sun)
MOON_POSTN:      282.35d {+18h 49m 24s}  -27.31d {-27d 18' 45"}
MOON_DIST:        65.49 [deg]
MOON_ILLUM:      62 [%]
GAL_COORDS:      354.57,-76.68 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      344.66,-31.65 [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 = 4.42,19.93 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Sep 07 21:08:09 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     291728,   Seg_Num: 0
GRB_RA:            0.144d {+00h 00m 35s} (J2000),
                   0.243d {+00h 00m 58s} (current),
                  -0.497d {-00h 01m 58s} (1950)
GRB_DEC:         -34.819d {-34d 49' 06"} (J2000),
                 -34.776d {-34d 46' 31"} (current),
                 -35.097d {-35d 05' 48"} (1950)
GRB_DATE:        14363 TJD;   263 DOY;   07/09/20
GRB_TIME:        75872.38 SOD {21:04:32.38} UT
TRIGGER_INDEX:   137
GRB_PHI:         155.61 [deg]
GRB_THETA:         7.84 [deg]
DELTA_TIME:      58.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.10 [sigma]
IMAGE_SIGNIF:    7.94 [sigma]
LC_URL:          sw00291728000msb.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

Plot creation:
Mon Sep 24 10:30:46 EDT 2007