TDRSS lightcurve for Trigger=279935

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 May 07 06:51:26 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     279935,   Seg_Num: 0
GRB_RA:          242.669d {+16h 10m 41s} (J2000),
                 242.743d {+16h 10m 58s} (current),
                 242.173d {+16h 08m 42s} (1950)
GRB_DEC:         +30.241d {+30d 14' 27"} (J2000),
                 +30.222d {+30d 13' 19"} (current),
                 +30.370d {+30d 22' 11"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6264 [cnts]    Image_Peak=331 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   147     E_range: 25-100 keV
BKG_INTEN:       36100 [cnts]
BKG_TIME:        24654.03 SOD {06:50:54.03} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14241 TJD;   141 DOY;   07/05/21
GRB_TIME:        24670.86 SOD {06:51:10.86} UT
GRB_PHI:          91.59 [deg]
GRB_THETA:        26.38 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     25.55 [sigma]
IMAGE_SIGNIF:    11.46 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2 +10  +0  +0 +63  +1 
SUN_POSTN:        57.68d {+03h 50m 42s}  +20.12d {+20d 07' 12"}
SUN_DIST:        129.42 [deg]   Sun_angle= 11.7 [hr] (West of Sun)
MOON_POSTN:      122.52d {+08h 10m 04s}  +23.67d {+23d 40' 10"}
MOON_DIST:       101.32 [deg]
MOON_ILLUM:      25 [%]
GAL_COORDS:       49.31, 46.54 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      231.79, 50.12 [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 = 241.15,-12.55 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 May 07 06:55:55 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     279935,   Seg_Num: 0
GRB_RA:          242.669d {+16h 10m 41s} (J2000),
                 242.743d {+16h 10m 58s} (current),
                 242.173d {+16h 08m 42s} (1950)
GRB_DEC:         +30.241d {+30d 14' 27"} (J2000),
                 +30.222d {+30d 13' 19"} (current),
                 +30.370d {+30d 22' 11"} (1950)
GRB_DATE:        14241 TJD;   141 DOY;   07/05/21
GRB_TIME:        24670.86 SOD {06:51:10.86} UT
TRIGGER_INDEX:   147
GRB_PHI:          91.59 [deg]
GRB_THETA:        26.38 [deg]
DELTA_TIME:      77.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     25.55 [sigma]
IMAGE_SIGNIF:    11.46 [sigma]
LC_URL:          sw00279935000msb.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:
Wed May 23 16:23:23 EDT 2007