TDRSS lightcurve for Trigger=279592

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 18 May 07 14:26:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     279592,   Seg_Num: 0
GRB_RA:          254.223d {+16h 56m 54s} (J2000),
                 254.261d {+16h 57m 03s} (current),
                 253.970d {+16h 55m 53s} (1950)
GRB_DEC:         +55.297d {+55d 17' 47"} (J2000),
                 +55.285d {+55d 17' 07"} (current),
                 +55.373d {+55d 22' 22"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5226 [cnts]    Image_Peak=197 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       34092 [cnts]
BKG_TIME:        51966.03 SOD {14:26:06.03} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14238 TJD;   138 DOY;   07/05/18
GRB_TIME:        51981.20 SOD {14:26:21.20} UT
GRB_PHI:         -56.39 [deg]
GRB_THETA:        18.83 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.20 [sigma]
IMAGE_SIGNIF:    7.22 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +1  +3  +0  +0 +23  +1 
SUN_POSTN:        55.00d {+03h 39m 59s}  +19.55d {+19d 33' 01"}
SUN_DIST:        103.39 [deg]   Sun_angle= 10.7 [hr] (West of Sun)
MOON_POSTN:       81.17d {+05h 24m 40s}  +28.15d {+28d 08' 44"}
MOON_DIST:        96.36 [deg]
MOON_ILLUM:      5 [%]
GAL_COORDS:       83.48, 38.15 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      228.61, 76.46 [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 = 100.20,4.36 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 18 May 07 14:45:20 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     279592,   Seg_Num: 0
GRB_RA:          254.223d {+16h 56m 54s} (J2000),
                 254.261d {+16h 57m 03s} (current),
                 253.970d {+16h 55m 53s} (1950)
GRB_DEC:         +55.297d {+55d 17' 47"} (J2000),
                 +55.285d {+55d 17' 07"} (current),
                 +55.373d {+55d 22' 22"} (1950)
GRB_DATE:        14238 TJD;   138 DOY;   07/05/18
GRB_TIME:        51981.20 SOD {14:26:21.20} UT
TRIGGER_INDEX:   137
GRB_PHI:         -56.39 [deg]
GRB_THETA:        18.83 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.20 [sigma]
IMAGE_SIGNIF:    7.22 [sigma]
LC_URL:          sw00279592000msb.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 May 18 10:45:46 EDT 2007