TDRSS lightcurve for Trigger=278903

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 May 07 02:56:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     278903,   Seg_Num: 0
GRB_RA:          237.927d {+15h 51m 42s} (J2000),
                 238.194d {+15h 52m 47s} (current),
                 236.127d {+15h 44m 31s} (1950)
GRB_DEC:         -78.681d {-78d 40' 49"} (J2000),
                 -78.702d {-78d 42' 07"} (current),
                 -78.529d {-78d 31' 44"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5482 [cnts]    Image_Peak=245 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       35226 [cnts]
BKG_TIME:        10094.05 SOD {02:48:14.05} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14229 TJD;   129 DOY;   07/05/09
GRB_TIME:        10107.30 SOD {02:48:27.30} UT
GRB_PHI:          47.22 [deg]
GRB_THETA:        13.88 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.60 [sigma]
IMAGE_SIGNIF:    8.66 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +1  +6  +0  +0 +47  +1 
SUN_POSTN:        45.67d {+03h 02m 40s}  +17.23d {+17d 13' 44"}
SUN_DIST:        118.24 [deg]   Sun_angle= 11.2 [hr] (West of Sun)
MOON_POSTN:      308.00d {+20h 31m 60s}  -22.11d {-22d 06' 43"}
MOON_DIST:        64.42 [deg]
MOON_ILLUM:      62 [%]
GAL_COORDS:      311.38,-18.89 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      259.13,-56.46 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 13.11,-3.88 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 May 07 02:59:02 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     278903,   Seg_Num: 0
GRB_RA:          237.927d {+15h 51m 42s} (J2000),
                 238.194d {+15h 52m 47s} (current),
                 236.127d {+15h 44m 31s} (1950)
GRB_DEC:         -78.681d {-78d 40' 49"} (J2000),
                 -78.702d {-78d 42' 07"} (current),
                 -78.529d {-78d 31' 44"} (1950)
GRB_DATE:        14229 TJD;   129 DOY;   07/05/09
GRB_TIME:        10107.30 SOD {02:48:27.30} UT
TRIGGER_INDEX:   137
GRB_PHI:          47.22 [deg]
GRB_THETA:        13.88 [deg]
DELTA_TIME:      -44.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.60 [sigma]
IMAGE_SIGNIF:    8.66 [sigma]
LC_URL:          sw00278903000msb.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  9 00:48:24 EDT 2007