TDRSS lightcurve for Trigger=349510

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 18 Apr 09 11:07:55 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     349510,   Seg_Num: 0
GRB_RA:          269.334d {+17h 57m 20s} (J2000),
                 269.419d {+17h 57m 40s} (current),
                 268.877d {+17h 55m 30s} (1950)
GRB_DEC:         +33.409d {+33d 24' 31"} (J2000),
                 +33.408d {+33d 24' 29"} (current),
                 +33.413d {+33d 24' 47"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4549 [cnts]    Image_Peak=163 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   149     E_range: 25-100 keV
BKG_INTEN:       27616 [cnts]
BKG_TIME:        40043.33 SOD {11:07:23.33} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14939 TJD;   108 DOY;   09/04/18
GRB_TIME:        40060.22 SOD {11:07:40.22} UT
GRB_PHI:           1.77 [deg]
GRB_THETA:        46.32 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.94 [sigma]
IMAGE_SIGNIF:    8.16 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -2  +0  +0 +26  +0 
SUN_POSTN:        26.53d {+01h 46m 07s}  +10.96d {+10d 57' 29"}
SUN_DIST:        105.59 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:      310.55d {+20h 42m 13s}  -17.99d {-17d 59' 39"}
MOON_DIST:        64.67 [deg]
MOON_ILLUM:      42 [%]
GAL_COORDS:       59.23, 25.14 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      268.98, 56.85 [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 = 281.99,14.75 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 18 Apr 09 11:24:27 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     349510,   Seg_Num: 0
GRB_RA:          269.334d {+17h 57m 20s} (J2000),
                 269.419d {+17h 57m 40s} (current),
                 268.877d {+17h 55m 30s} (1950)
GRB_DEC:         +33.409d {+33d 24' 31"} (J2000),
                 +33.408d {+33d 24' 29"} (current),
                 +33.413d {+33d 24' 47"} (1950)
GRB_DATE:        14939 TJD;   108 DOY;   09/04/18
GRB_TIME:        40060.22 SOD {11:07:40.22} UT
TRIGGER_INDEX:   149
GRB_PHI:           1.77 [deg]
GRB_THETA:        46.32 [deg]
DELTA_TIME:      71.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.94 [sigma]
IMAGE_SIGNIF:    8.16 [sigma]
LC_URL:          sw00349510000msb.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 Apr 18 07:25:05 EDT 2009