TDRSS lightcurve for Trigger=311874

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 May 08 21:23:50 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     311874,   Seg_Num: 0
GRB_RA:          102.255d {+06h 49m 01s} (J2000),
                 102.418d {+06h 49m 40s} (current),
                 101.280d {+06h 45m 07s} (1950)
GRB_DEC:         +50.731d {+50d 43' 51"} (J2000),
                 +50.721d {+50d 43' 15"} (current),
                 +50.787d {+50d 47' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       31916 [cnts]    Image_Peak=615 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   336     E_range: 25-100 keV
BKG_INTEN:       237492 [cnts]
BKG_TIME:        76877.20 SOD {21:21:17.20} UT
BKG_DUR:         64 [sec]
GRB_DATE:        14603 TJD;   138 DOY;   08/05/17
GRB_TIME:        76971.98 SOD {21:22:51.98} UT
GRB_PHI:         -68.23 [deg]
GRB_THETA:        29.17 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.83 [sigma]
IMAGE_SIGNIF:    9.81 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  +1  +0  +0 -66  +1 
SUN_POSTN:        55.04d {+03h 40m 11s}  +19.56d {+19d 33' 39"}
SUN_DIST:         48.46 [deg]   Sun_angle= -3.2 [hr] (East of Sun)
MOON_POSTN:      209.17d {+13h 56m 41s}  -16.94d {-16d 56' 36"}
MOON_DIST:       113.59 [deg]
MOON_ILLUM:      96 [%]
GAL_COORDS:      165.38, 20.31 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       98.72, 27.66 [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 = 301.00,20.16 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 May 08 21:42:03 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     311874,   Seg_Num: 0
GRB_RA:          102.255d {+06h 49m 01s} (J2000),
                 102.418d {+06h 49m 40s} (current),
                 101.280d {+06h 45m 07s} (1950)
GRB_DEC:         +50.731d {+50d 43' 51"} (J2000),
                 +50.721d {+50d 43' 15"} (current),
                 +50.787d {+50d 47' 15"} (1950)
GRB_DATE:        14603 TJD;   138 DOY;   08/05/17
GRB_TIME:        76971.98 SOD {21:22:51.98} UT
TRIGGER_INDEX:   336
GRB_PHI:         -68.23 [deg]
GRB_THETA:        29.17 [deg]
DELTA_TIME:      -37.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.83 [sigma]
IMAGE_SIGNIF:    9.81 [sigma]
LC_URL:          sw00311874000msb.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 May 17 17:44:08 EDT 2008