TDRSS lightcurve for Trigger=321551

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 23 Aug 08 11:27:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     321551,   Seg_Num: 0
GRB_RA:           75.265d {+05h 01m 04s} (J2000),
                  75.422d {+05h 01m 41s} (current),
                  74.353d {+04h 57m 25s} (1950)
GRB_DEC:         +45.281d {+45d 16' 52"} (J2000),
                 +45.293d {+45d 17' 35"} (current),
                 +45.208d {+45d 12' 29"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       3177 [cnts]    Image_Peak=763 [image_cnts]
TRIGGER_DUR:     0.016 [sec] 
TRIGGER_INDEX:   10200     E_range: 15-50 keV
BKG_INTEN:       17037 [cnts]
BKG_TIME:        41244.95 SOD {11:27:24.95} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14701 TJD;   236 DOY;   08/08/23
GRB_TIME:        41254.87 SOD {11:27:34.87} UT
GRB_PHI:         -178.12 [deg]
GRB_THETA:         0.01 [deg]
SOLN_STATUS:     0x10D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    21.36 [sigma]
MERIT_PARAMS:     +0  +0 +100  -2  +1 +53  +0  +1 -28  +1 
SUN_POSTN:       152.76d {+10h 11m 02s}  +11.22d {+11d 13' 28"}
SUN_DIST:         73.16 [deg]   Sun_angle= 5.2 [hr] (West of Sun)
MOON_POSTN:       50.08d {+03h 20m 18s}  +23.84d {+23d 50' 15"}
MOON_DIST:        29.69 [deg]
MOON_ILLUM:      56 [%]
GAL_COORDS:      161.54,  1.94 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       78.84, 22.41 [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 matches a source in the on-board catalog: Num=21174=(null),   delta=0.009 [deg].  
COMMENTS:        This matches a source in the ground catalog: SGR 0501+4516,   delta=0.009 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 313.69,4.49 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 23 Aug 08 11:44:26 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     321551,   Seg_Num: 0
GRB_RA:           75.265d {+05h 01m 04s} (J2000),
                  75.422d {+05h 01m 41s} (current),
                  74.353d {+04h 57m 25s} (1950)
GRB_DEC:         +45.281d {+45d 16' 52"} (J2000),
                 +45.293d {+45d 17' 35"} (current),
                 +45.208d {+45d 12' 29"} (1950)
GRB_DATE:        14701 TJD;   236 DOY;   08/08/23
GRB_TIME:        41255.10 SOD {11:27:35.10} UT
TRIGGER_INDEX:   10200
GRB_PHI:         -178.12 [deg]
GRB_THETA:         0.01 [deg]
DELTA_TIME:      -54.00 [sec]
TRIGGER_DUR:     0.016 [sec] 
SOLN_STATUS:     0x10D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    21.36 [sigma]
LC_URL:          sw00321551000msb.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:
Sat Aug 23 07:44:43 EDT 2008