TDRSS lightcurve for Trigger=275087

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 11 Apr 07 20:13:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     275087,   Seg_Num: 0
GRB_RA:          107.338d {+07h 09m 21s} (J2000),
                 107.432d {+07h 09m 44s} (current),
                 106.692d {+07h 06m 46s} (1950)
GRB_DEC:          +1.083d {+01d 04' 57"} (J2000),
                  +1.070d {+01d 04' 13"} (current),
                  +1.164d {+01d 09' 50"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       23416 [cnts]    Image_Peak=600 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       207502 [cnts]
BKG_TIME:        72694.11 SOD {20:11:34.11} UT
BKG_DUR:         40 [sec]
GRB_DATE:        14201 TJD;   101 DOY;   07/04/11
GRB_TIME:        72753.31 SOD {20:12:33.31} UT
GRB_PHI:          14.18 [deg]
GRB_THETA:        29.17 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.00 [sigma]
IMAGE_SIGNIF:    10.52 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  +0  +0  +1  -4  +1 
SUN_POSTN:        19.93d {+01h 19m 43s}   +8.40d {+08d 24' 18"}
SUN_DIST:         87.37 [deg]   Sun_angle= -5.8 [hr] (East of Sun)
MOON_POSTN:      308.05d {+20h 32m 12s}  -22.26d {-22d 15' 41"}
MOON_DIST:       150.82 [deg]
MOON_ILLUM:      39 [%]
GAL_COORDS:      214.01,  4.48 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      108.64,-21.24 [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 = 14.66,-18.07 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 11 Apr 07 20:32:54 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     7842322,   Seg_Num: 194
GRB_RA:          107.338d {+07h 09m 21s} (J2000),
                 107.432d {+07h 09m 44s} (current),
                 106.692d {+07h 06m 46s} (1950)
GRB_DEC:          +1.083d {+01d 04' 57"} (J2000),
                  +1.070d {+01d 04' 13"} (current),
                  +1.164d {+01d 09' 50"} (1950)
GRB_DATE:        14201 TJD;   101 DOY;   07/04/11
GRB_TIME:        72753.31 SOD {20:12:33.31} UT
TRIGGER_INDEX:   298
GRB_PHI:          14.18 [deg]
GRB_THETA:        29.17 [deg]
DELTA_TIME:      3341.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.00 [sigma]
IMAGE_SIGNIF:    10.52 [sigma]
LC_URL:          sw00275087000msb.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:
Wed Apr 11 16:33:26 EDT 2007