TDRSS lightcurve for Trigger=276212

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 Apr 07 10:44:26 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     276212,   Seg_Num: 0
GRB_RA:          315.719d {+21h 02m 52s} (J2000),
                 315.829d {+21h 03m 19s} (current),
                 314.959d {+20h 59m 50s} (1950)
GRB_DEC:         -31.267d {-31d 15' 59"} (J2000),
                 -31.237d {-31d 14' 14"} (current),
                 -31.465d {-31d 27' 52"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4636 [cnts]    Image_Peak=173 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       27576 [cnts]
BKG_TIME:        38630.09 SOD {10:43:50.09} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14209 TJD;   109 DOY;   07/04/19
GRB_TIME:        38645.97 SOD {10:44:05.97} UT
GRB_PHI:          20.08 [deg]
GRB_THETA:        30.28 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.43 [sigma]
IMAGE_SIGNIF:    7.02 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +5  +0  +0 -17  +1 
SUN_POSTN:        26.96d {+01h 47m 51s}  +11.12d {+11d 07' 14"}
SUN_DIST:         80.14 [deg]   Sun_angle= 4.7 [hr] (West of Sun)
MOON_POSTN:       53.44d {+03h 33m 45s}  +24.18d {+24d 11' 03"}
MOON_DIST:       108.40 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:       13.70,-40.50 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      309.06,-13.82 [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 = 8.32,9.93 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 Apr 07 11:10:35 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     276212,   Seg_Num: 0
GRB_RA:          315.719d {+21h 02m 52s} (J2000),
                 315.829d {+21h 03m 19s} (current),
                 314.959d {+20h 59m 50s} (1950)
GRB_DEC:         -31.267d {-31d 15' 59"} (J2000),
                 -31.237d {-31d 14' 14"} (current),
                 -31.465d {-31d 27' 52"} (1950)
GRB_DATE:        14209 TJD;   109 DOY;   07/04/19
GRB_TIME:        38645.97 SOD {10:44:05.97} UT
TRIGGER_INDEX:   155
GRB_PHI:          20.08 [deg]
GRB_THETA:        30.28 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.43 [sigma]
IMAGE_SIGNIF:    7.02 [sigma]
LC_URL:          sw00276212000msb.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:
Thu Apr 19 07:11:08 EDT 2007