TDRSS lightcurve for Trigger=306858

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Mar 08 04:38:04 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     306858,   Seg_Num: 0
GRB_RA:          177.780d {+11h 51m 07s} (J2000),
                 177.888d {+11h 51m 33s} (current),
                 177.121d {+11h 48m 29s} (1950)
GRB_DEC:         +57.144d {+57d 08' 38"} (J2000),
                 +57.098d {+57d 05' 53"} (current),
                 +57.422d {+57d 25' 19"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       7159 [cnts]    Image_Peak=245 [image_cnts]
TRIGGER_DUR:     1.408 [sec] 
TRIGGER_INDEX:   472     E_range: 25-100 keV
BKG_INTEN:       70772 [cnts]
BKG_TIME:        16637.34 SOD {04:37:17.34} UT
BKG_DUR:         16 [sec]
GRB_DATE:        14545 TJD;    80 DOY;   08/03/20
GRB_TIME:        16658.46 SOD {04:37:38.46} UT
GRB_PHI:         -178.36 [deg]
GRB_THETA:        22.07 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.94 [sigma]
IMAGE_SIGNIF:    7.64 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  +2  +0  +0 +54  +1 
SUN_POSTN:       359.95d {+23h 59m 48s}   -0.02d {-00d 01' 17"}
SUN_DIST:        122.90 [deg]   Sun_angle= -11.9 [hr] (East of Sun)
MOON_POSTN:      162.27d {+10h 49m 04s}   +6.07d {+06d 04' 15"}
MOON_DIST:        52.48 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:      138.44, 58.13 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      146.90, 49.67 [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 = 282.09,20.59 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Mar 08 04:57:48 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     306858,   Seg_Num: 0
GRB_RA:          177.780d {+11h 51m 07s} (J2000),
                 177.888d {+11h 51m 33s} (current),
                 177.121d {+11h 48m 29s} (1950)
GRB_DEC:         +57.144d {+57d 08' 38"} (J2000),
                 +57.098d {+57d 05' 53"} (current),
                 +57.422d {+57d 25' 19"} (1950)
GRB_DATE:        14545 TJD;    80 DOY;   08/03/20
GRB_TIME:        16658.46 SOD {04:37:38.46} UT
TRIGGER_INDEX:   472
GRB_PHI:         -178.36 [deg]
GRB_THETA:        22.07 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     1.408 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.94 [sigma]
IMAGE_SIGNIF:    7.64 [sigma]
LC_URL:          sw00306858000msb.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:
Thu Mar 20 00:59:07 EDT 2008