TDRSS lightcurve for Trigger=307931

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Mar 08 08:03:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     307931,   Seg_Num: 0
GRB_RA:           80.479d {+05h 21m 55s} (J2000),
                  80.634d {+05h 22m 32s} (current),
                  79.539d {+05h 18m 09s} (1950)
GRB_DEC:         +47.524d {+47d 31' 26"} (J2000),
                 +47.532d {+47d 31' 53"} (current),
                 +47.476d {+47d 28' 33"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       7673 [cnts]    Image_Peak=487 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   149     E_range: 50-350 keV
BKG_INTEN:       36722 [cnts]
BKG_TIME:        28973.32 SOD {08:02:53.32} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14553 TJD;    88 DOY;   08/03/28
GRB_TIME:        28984.58 SOD {08:03:04.58} UT
GRB_PHI:           2.03 [deg]
GRB_THETA:        45.03 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     44.24 [sigma]
IMAGE_SIGNIF:    15.28 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3 +15  +0  +1 -23  +1 
SUN_POSTN:         7.36d {+00h 29m 27s}   +3.18d {+03d 10' 48"}
SUN_DIST:         76.41 [deg]   Sun_angle= -4.9 [hr] (East of Sun)
MOON_POSTN:      259.41d {+17h 17m 38s}  -27.83d {-27d 49' 55"}
MOON_DIST:       160.28 [deg]
MOON_ILLUM:      65 [%]
GAL_COORDS:      161.84,  6.17 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       82.96, 24.32 [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 = 93.30,6.25 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Mar 08 08:25:14 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     307931,   Seg_Num: 0
GRB_RA:           80.479d {+05h 21m 55s} (J2000),
                  80.634d {+05h 22m 32s} (current),
                  79.539d {+05h 18m 09s} (1950)
GRB_DEC:         +47.524d {+47d 31' 26"} (J2000),
                 +47.532d {+47d 31' 53"} (current),
                 +47.476d {+47d 28' 33"} (1950)
GRB_DATE:        14553 TJD;    88 DOY;   08/03/28
GRB_TIME:        28984.58 SOD {08:03:04.58} UT
TRIGGER_INDEX:   149
GRB_PHI:           2.03 [deg]
GRB_THETA:        45.03 [deg]
DELTA_TIME:      -5.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     44.24 [sigma]
IMAGE_SIGNIF:    15.28 [sigma]
LC_URL:          sw00307931000msb.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:
Fri Mar 28 04:27:27 EDT 2008