TDRSS lightcurve for Trigger=178750

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 24 Jan 06 15:55:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     178750,   Seg_Num: 0
GRB_RA:           77.043d {+05h 08m 10s} (J2000),
                  77.210d {+05h 08m 50s} (current),
                  75.672d {+05h 02m 41s} (1950)
GRB_DEC:         +69.709d {+69d 42' 33"} (J2000),
                 +69.717d {+69d 43' 01"} (current),
                 +69.644d {+69d 38' 37"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5042 [cnts]    Image_Peak=166 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       33516 [cnts]
BKG_TIME:        57279.02 SOD {15:54:39.02} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13759 TJD;    24 DOY;   06/01/24
GRB_TIME:        57291.82 SOD {15:54:51.82} UT
GRB_PHI:         -158.29 [deg]
GRB_THETA:        37.83 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     10.72 [sigma]
IMAGE_SIGNIF:    6.59 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +0  +0  +0 +51  +1 
SUN_POSTN:       306.86d {+20h 27m 27s}  -19.13d {-19d 07' 47"}
SUN_DIST:        121.29 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:      235.25d {+15h 40m 60s}  -23.78d {-23d 46' 46"}
MOON_DIST:       132.25 [deg]
MOON_ILLUM:      30 [%]
GAL_COORDS:      141.99, 17.05 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       83.51, 46.56 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 74.05,1.72 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 24 Jan 06 15:58:38 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     178750,   Seg_Num: 0
GRB_RA:           77.043d {+05h 08m 10s} (J2000),
                  77.210d {+05h 08m 50s} (current),
                  75.672d {+05h 02m 41s} (1950)
GRB_DEC:         +69.709d {+69d 42' 33"} (J2000),
                 +69.717d {+69d 43' 01"} (current),
                 +69.644d {+69d 38' 37"} (1950)
GRB_DATE:        13759 TJD;    24 DOY;   06/01/24
GRB_TIME:        57291.82 SOD {15:54:51.82} UT
TRIGGER_INDEX:   146
GRB_PHI:         -158.29 [deg]
GRB_THETA:        37.83 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
LC_URL:          sw00178750000msb.lc
SUN_POSTN:       306.86d {+20h 27m 27s}  -19.13d {-19d 07' 45"}
SUN_DIST:        121.29 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:      235.28d {+15h 41m 08s}  -23.79d {-23d 47' 17"}

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:
Tue Jan 24 11:00:07 EST 2006