TDRSS lightcurve for Trigger=306737

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 18 Mar 08 22:42:34 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     306737,   Seg_Num: 0
GRB_RA:          272.517d {+18h 10m 04s} (J2000),
                 272.638d {+18h 10m 33s} (current),
                 271.781d {+18h 07m 07s} (1950)
GRB_DEC:         -19.044d {-19d 02' 37"} (J2000),
                 -19.042d {-19d 02' 29"} (current),
                 -19.054d {-19d 03' 14"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       29462 [cnts]    Image_Peak=430 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   413     E_range: 15-25 keV
BKG_INTEN:       215232 [cnts]
BKG_TIME:        81085.34 SOD {22:31:25.34} UT
BKG_DUR:         64 [sec]
GRB_DATE:        14543 TJD;    78 DOY;   08/03/18
GRB_TIME:        81172.51 SOD {22:32:52.51} UT
GRB_PHI:         -147.37 [deg]
GRB_THETA:         9.02 [deg]
SOLN_STATUS:     0x4083
RATE_SIGNIF:     10.58 [sigma]
IMAGE_SIGNIF:    6.49 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +0  +0  +0  +1  -6  +1 
SUN_POSTN:       358.81d {+23h 55m 15s}   -0.51d {-00d 30' 52"}
SUN_DIST:         86.22 [deg]   Sun_angle= 5.7 [hr] (West of Sun)
MOON_POSTN:      147.52d {+09h 50m 04s}  +13.25d {+13d 15' 16"}
MOON_DIST:       127.17 [deg]
MOON_ILLUM:      92 [%]
GAL_COORDS:       11.35,  0.13 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      272.39,  4.37 [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 was originally a SubThreshold, but now has been converted to a real GRB Position.  
COMMENTS:        This trigger occurred at longitude,latitude = 116.24,-1.44 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 18 Mar 08 22:43:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     306737,   Seg_Num: 0
GRB_RA:          272.517d {+18h 10m 04s} (J2000),
                 272.638d {+18h 10m 33s} (current),
                 271.781d {+18h 07m 07s} (1950)
GRB_DEC:         -19.044d {-19d 02' 37"} (J2000),
                 -19.042d {-19d 02' 29"} (current),
                 -19.054d {-19d 03' 14"} (1950)
GRB_DATE:        14543 TJD;    78 DOY;   08/03/18
GRB_TIME:        81172.51 SOD {22:32:52.51} UT
TRIGGER_INDEX:   413
GRB_PHI:         -147.37 [deg]
GRB_THETA:         9.02 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x883
RATE_SIGNIF:     10.58 [sigma]
IMAGE_SIGNIF:    6.49 [sigma]
LC_URL:          sw00306737000msb.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 Mar 18 18:45:23 EDT 2008