TDRSS lightcurve for Trigger=309111

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 13 Apr 08 08:51:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     309111,   Seg_Num: 0
GRB_RA:          326.134d {+21h 44m 32s} (J2000),
                 326.250d {+21h 44m 60s} (current),
                 325.437d {+21h 41m 45s} (1950)
GRB_DEC:         -19.969d {-19d 58' 08"} (J2000),
                 -19.931d {-19d 55' 51"} (current),
                 -20.200d {-20d 11' 57"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       12312 [cnts]    Image_Peak=1450 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   148     E_range: 25-100 keV
BKG_INTEN:       36740 [cnts]
BKG_TIME:        31861.28 SOD {08:51:01.28} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14569 TJD;   104 DOY;   08/04/13
GRB_TIME:        31872.54 SOD {08:51:12.54} UT
GRB_PHI:         -87.39 [deg]
GRB_THETA:        36.20 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     128.59 [sigma]
IMAGE_SIGNIF:    23.00 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2 +25  +0  +0 -46  +1 
SUN_POSTN:        22.03d {+01h 28m 08s}   +9.24d {+09d 14' 12"}
SUN_DIST:         62.16 [deg]   Sun_angle= 3.7 [hr] (West of Sun)
MOON_POSTN:      124.07d {+08h 16m 18s}  +22.05d {+22d 03' 12"}
MOON_DIST:       159.21 [deg]
MOON_ILLUM:      57 [%]
GAL_COORDS:       32.08,-46.81 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.70, -6.03 [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 = 258.00,-13.57 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 13 Apr 08 09:08:28 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     309111,   Seg_Num: 0
GRB_RA:          326.134d {+21h 44m 32s} (J2000),
                 326.250d {+21h 44m 60s} (current),
                 325.437d {+21h 41m 45s} (1950)
GRB_DEC:         -19.969d {-19d 58' 08"} (J2000),
                 -19.931d {-19d 55' 51"} (current),
                 -20.200d {-20d 11' 57"} (1950)
GRB_DATE:        14569 TJD;   104 DOY;   08/04/13
GRB_TIME:        31872.54 SOD {08:51:12.54} UT
TRIGGER_INDEX:   148
GRB_PHI:         -87.39 [deg]
GRB_THETA:        36.20 [deg]
DELTA_TIME:      -5.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     128.59 [sigma]
IMAGE_SIGNIF:    23.00 [sigma]
LC_URL:          sw00309111000msb.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:
Sun Apr 13 05:08:44 EDT 2008