TDRSS lightcurve for Trigger=257741

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 26 Jan 07 02:34:42 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     257741,   Seg_Num: 0
GRB_RA:           33.460d {+02h 13m 50s} (J2000),
                  33.478d {+02h 13m 55s} (current),
                  33.342d {+02h 13m 22s} (1950)
GRB_DEC:         -73.523d {-73d 31' 23"} (J2000),
                 -73.490d {-73d 29' 25"} (current),
                 -73.756d {-73d 45' 20"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1367 [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:        14126 TJD;    26 DOY;   07/01/26
GRB_TIME:        9206.27 SOD {02:33:26.27} UT
GRB_PHI:          91.75 [deg]
GRB_THETA:         6.05 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.04 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +0 -33  +1 
SUN_POSTN:       308.11d {+20h 32m 28s}  -18.83d {-18d 50' 02"}
SUN_DIST:         70.65 [deg]   Sun_angle= -5.7 [hr] (East of Sun)
MOON_POSTN:       33.91d {+02h 15m 39s}  +17.82d {+17d 49' 26"}
MOON_DIST:        91.31 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:      295.17,-42.34 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      314.84,-70.39 [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 = 262.70,-3.90 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 26 Jan 07 02:46:35 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     257741,   Seg_Num: 0
GRB_RA:           33.460d {+02h 13m 50s} (J2000),
                  33.478d {+02h 13m 55s} (current),
                  33.342d {+02h 13m 22s} (1950)
GRB_DEC:         -73.523d {-73d 31' 23"} (J2000),
                 -73.490d {-73d 29' 25"} (current),
                 -73.756d {-73d 45' 20"} (1950)
GRB_DATE:        14126 TJD;    26 DOY;   07/01/26
GRB_TIME:        9206.27 SOD {02:33:26.27} UT
TRIGGER_INDEX:   20000
GRB_PHI:          91.75 [deg]
GRB_THETA:         6.05 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.04 [sigma]
LC_URL:          sw00257741000msb.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:
Fri Jan 26 09:30:44 EST 2007