TDRSS lightcurve for Trigger=261880

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Feb 07 20:29:12 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     261880,   Seg_Num: 0
GRB_RA:          178.990d {+11h 55m 58s} (J2000),
                 179.081d {+11h 56m 19s} (current),
                 178.351d {+11h 53m 24s} (1950)
GRB_DEC:         -13.340d {-13d 20' 23"} (J2000),
                 -13.380d {-13d 22' 46"} (current),
                 -13.062d {-13d 03' 41"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1508 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        14155 TJD;    55 DOY;   07/02/24
GRB_TIME:        73678.21 SOD {20:27:58.21} UT
GRB_PHI:          -0.44 [deg]
GRB_THETA:        12.25 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.50 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2  +0  +0 +85  +1 
SUN_POSTN:       337.64d {+22h 30m 33s}   -9.37d {-09d 21' 58"}
SUN_DIST:        148.85 [deg]   Sun_angle= 10.6 [hr] (West of Sun)
MOON_POSTN:       70.18d {+04h 40m 44s}  +27.53d {+27d 31' 57"}
MOON_DIST:       112.73 [deg]
MOON_ILLUM:      56 [%]
GAL_COORDS:      282.79, 47.35 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      184.47,-12.62 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 79.57,-16.28 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Feb 07 20:45:46 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     261880,   Seg_Num: 0
GRB_RA:          178.990d {+11h 55m 58s} (J2000),
                 179.081d {+11h 56m 19s} (current),
                 178.351d {+11h 53m 24s} (1950)
GRB_DEC:         -13.340d {-13d 20' 23"} (J2000),
                 -13.380d {-13d 22' 46"} (current),
                 -13.062d {-13d 03' 41"} (1950)
GRB_DATE:        14155 TJD;    55 DOY;   07/02/24
GRB_TIME:        73678.21 SOD {20:27:58.21} UT
TRIGGER_INDEX:   20000
GRB_PHI:          -0.44 [deg]
GRB_THETA:        12.25 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.50 [sigma]
LC_URL:          sw00261880000msb.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:
Sat Feb 24 15:46:09 EST 2007