TDRSS lightcurve for Trigger=180977

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 10 Feb 06 04:59:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     180977,   Seg_Num: 0
GRB_RA:           57.730d {+03h 50m 55s} (J2000),
                  57.823d {+03h 51m 17s} (current),
                  56.970d {+03h 47m 53s} (1950)
GRB_DEC:         +27.026d {+27d 01' 33"} (J2000),
                 +27.044d {+27d 02' 38"} (current),
                 +26.875d {+26d 52' 32"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5140 [cnts]    Image_Peak=204 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       26724 [cnts]
BKG_TIME:        17910.99 SOD {04:58:30.99} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13776 TJD;    41 DOY;   06/02/10
GRB_TIME:        17929.80 SOD {04:58:49.80} UT
GRB_PHI:         178.62 [deg]
GRB_THETA:        44.14 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     27.58 [sigma]
IMAGE_SIGNIF:    8.42 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +3 +10  +0  +0 +17  +1 
SUN_POSTN:       323.69d {+21h 34m 47s}  -14.40d {-14d 23' 47"}
SUN_DIST:        100.09 [deg]   Sun_angle= -6.3 [hr] (East of Sun)
MOON_POSTN:      110.74d {+07h 22m 58s}  +27.13d {+27d 07' 33"}
MOON_DIST:        46.74 [deg]
MOON_ILLUM:      92 [%]
GAL_COORDS:      165.17,-20.77 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       61.39,  6.74 [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 = 249.59,11.86 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 10 Feb 06 05:02:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     180977,   Seg_Num: 0
GRB_RA:           57.730d {+03h 50m 55s} (J2000),
                  57.823d {+03h 51m 17s} (current),
                  56.970d {+03h 47m 53s} (1950)
GRB_DEC:         +27.026d {+27d 01' 33"} (J2000),
                 +27.044d {+27d 02' 38"} (current),
                 +26.875d {+26d 52' 32"} (1950)
GRB_DATE:        13776 TJD;    41 DOY;   06/02/10
GRB_TIME:        17929.80 SOD {04:58:49.80} UT
TRIGGER_INDEX:   155
GRB_PHI:         178.62 [deg]
GRB_THETA:        44.14 [deg]
DELTA_TIME:      39.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     27.58 [sigma]
IMAGE_SIGNIF:    8.42 [sigma]
LC_URL:          sw00180977000msb.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:
Fri Feb 10 00:04:08 EST 2006