TDRSS lightcurve for Trigger=308797

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 08 Apr 08 21:33:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     308797,   Seg_Num: 0
GRB_RA:          264.842d {+17h 39m 22s} (J2000),
                 264.975d {+17h 39m 54s} (current),
                 264.039d {+17h 36m 09s} (1950)
GRB_DEC:         -30.366d {-30d 21' 55"} (J2000),
                 -30.370d {-30d 22' 10"} (current),
                 -30.339d {-30d 20' 18"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=5125 [image_cnts]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [min])
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        14564 TJD;    99 DOY;   08/04/08
GRB_TIME:        77293.29 SOD {21:28:13.29} UT
GRB_PHI:         -157.24 [deg]
GRB_THETA:        11.61 [deg]
SOLN_STATUS:     0x111
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.83 [sigma]
MERIT_PARAMS:     +0  +1  +0  +6  +1  -2  +0  +1 +40  +1 
SUN_POSTN:        17.92d {+01h 11m 41s}   +7.60d {+07d 35' 51"}
SUN_DIST:        113.59 [deg]   Sun_angle= 7.5 [hr] (West of Sun)
MOON_POSTN:       54.04d {+03h 36m 11s}  +24.57d {+24d 34' 27"}
MOON_DIST:       152.04 [deg]
MOON_ILLUM:      11 [%]
GAL_COORDS:      358.07,  0.40 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      265.52, -7.01 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: IGR17391-3021,   delta=0.045 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 146.22,1.27 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 08 Apr 08 21:48:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     308797,   Seg_Num: 0
GRB_RA:          264.842d {+17h 39m 22s} (J2000),
                 264.975d {+17h 39m 54s} (current),
                 264.039d {+17h 36m 09s} (1950)
GRB_DEC:         -30.366d {-30d 21' 55"} (J2000),
                 -30.370d {-30d 22' 10"} (current),
                 -30.339d {-30d 20' 18"} (1950)
GRB_DATE:        14564 TJD;    99 DOY;   08/04/08
GRB_TIME:        77293.29 SOD {21:28:13.29} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -157.24 [deg]
GRB_THETA:        11.61 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [min])
SOLN_STATUS:     0x111
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.83 [sigma]
LC_URL:          sw00308797000msb.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:
Tue Apr  8 17:51:48 EDT 2008