TDRSS lightcurve for Trigger=279494

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 17 May 07 11:21:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     279494,   Seg_Num: 0
GRB_RA:          277.579d {+18h 30m 19s} (J2000),
                 277.751d {+18h 31m 00s} (current),
                 276.411d {+18h 25m 39s} (1950)
GRB_DEC:         -62.333d {-62d 19' 56"} (J2000),
                 -62.327d {-62d 19' 37"} (current),
                 -62.367d {-62d 21' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       15607 [cnts]    Image_Peak=370 [image_cnts]
TRIGGER_DUR:     3.072 [sec] 
TRIGGER_INDEX:   474     E_range: 25-100 keV
BKG_INTEN:       147063 [cnts]
BKG_TIME:        40814.03 SOD {11:20:14.03} UT
BKG_DUR:         32 [sec]
GRB_DATE:        14237 TJD;   137 DOY;   07/05/17
GRB_TIME:        40858.39 SOD {11:20:58.39} UT
GRB_PHI:         -100.53 [deg]
GRB_THETA:        22.03 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.26 [sigma]
IMAGE_SIGNIF:    8.00 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  +2  +0  +0 +60  +1 
SUN_POSTN:        53.87d {+03h 35m 30s}  +19.30d {+19d 17' 56"}
SUN_DIST:        127.49 [deg]   Sun_angle= 9.1 [hr] (West of Sun)
MOON_POSTN:       62.72d {+04h 10m 52s}  +26.11d {+26d 06' 48"}
MOON_DIST:       136.99 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      332.72,-21.46 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      274.52,-39.01 [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 = 196.43,-10.42 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 17 May 07 11:37:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     279494,   Seg_Num: 0
GRB_RA:          277.579d {+18h 30m 19s} (J2000),
                 277.751d {+18h 31m 00s} (current),
                 276.411d {+18h 25m 39s} (1950)
GRB_DEC:         -62.333d {-62d 19' 56"} (J2000),
                 -62.327d {-62d 19' 37"} (current),
                 -62.367d {-62d 21' 58"} (1950)
GRB_DATE:        14237 TJD;   137 DOY;   07/05/17
GRB_TIME:        40858.39 SOD {11:20:58.39} UT
TRIGGER_INDEX:   474
GRB_PHI:         -100.53 [deg]
GRB_THETA:        22.03 [deg]
DELTA_TIME:      44.00 [sec]
TRIGGER_DUR:     3.072 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.26 [sigma]
IMAGE_SIGNIF:    8.00 [sigma]
LC_URL:          sw00279494000msb.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

Extended TDRSS lc No.5

Plot creation:
Thu May 17 07:42:08 EDT 2007