TDRSS lightcurve for Trigger=291587

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Sep 07 20:45:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     291587,   Seg_Num: 0
GRB_RA:          272.337d {+18h 09m 21s} (J2000),
                 272.451d {+18h 09m 48s} (current),
                 271.592d {+18h 06m 22s} (1950)
GRB_DEC:         -20.445d {-20d 26' 40"} (J2000),
                 -20.443d {-20d 26' 34"} (current),
                 -20.454d {-20d 27' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       1497 [cnts]    Image_Peak=384 [image_cnts]
TRIGGER_DUR:     0.008 [sec] 
TRIGGER_INDEX:   10111     E_range: 15-50 keV
BKG_INTEN:       40549 [cnts]
BKG_TIME:        74693.76 SOD {20:44:53.76} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14362 TJD;   262 DOY;   07/09/19
GRB_TIME:        74710.40 SOD {20:45:10.40} UT
GRB_PHI:         -134.65 [deg]
GRB_THETA:        31.14 [deg]
SOLN_STATUS:     0x50D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    20.88 [sigma]
MERIT_PARAMS:     +0  +0 +100  -1  +1 +49  -5  +1  +9  +1 
SUN_POSTN:       176.82d {+11h 47m 16s}   +1.38d {+01d 22' 44"}
SUN_DIST:         95.76 [deg]   Sun_angle= -6.4 [hr] (East of Sun)
MOON_POSTN:      268.17d {+17h 52m 41s}  -28.33d {-28d 19' 37"}
MOON_DIST:         8.79 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:       10.04, -0.40 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      272.19,  2.98 [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 matches a source in the on-board catalog: Num=10201=SGR1900+14,   delta=32.996 [deg].  
COMMENTS:        This matches a source in the ground catalog: SGR1806-20,   delta=0.169 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 319.49,6.62 [deg].  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Sep 07 20:48:56 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     291587,   Seg_Num: 0
GRB_RA:          272.337d {+18h 09m 21s} (J2000),
                 272.451d {+18h 09m 48s} (current),
                 271.592d {+18h 06m 22s} (1950)
GRB_DEC:         -20.445d {-20d 26' 40"} (J2000),
                 -20.443d {-20d 26' 34"} (current),
                 -20.454d {-20d 27' 15"} (1950)
GRB_DATE:        14362 TJD;   262 DOY;   07/09/19
GRB_TIME:        74710.71 SOD {20:45:10.71} UT
TRIGGER_INDEX:   10111
GRB_PHI:         -134.65 [deg]
GRB_THETA:        31.14 [deg]
DELTA_TIME:      65.00 [sec]
TRIGGER_DUR:     0.008 [sec] 
SOLN_STATUS:     0x50D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    20.88 [sigma]
LC_URL:          sw00291587000msb.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:
Wed Sep 19 19:43:07 EDT 2007