TDRSS lightcurve for Trigger=419797

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 18 Apr 10 21:10:18 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     419797,   Seg_Num: 0
GRB_RA:          256.376d {+17h 05m 30s} (J2000),
                 256.497d {+17h 05m 59s} (current),
                 255.790d {+17h 03m 10s} (1950)
GRB_DEC:         +11.464d {+11d 27' 50"} (J2000),
                 +11.451d {+11d 27' 02"} (current),
                 +11.531d {+11d 31' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5137 [cnts]    Image_Peak=177 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   138     E_range: 15-50 keV
BKG_INTEN:       36422 [cnts]
BKG_TIME:        76194.28 SOD {21:09:54.28} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15304 TJD;   108 DOY;   10/04/18
GRB_TIME:        76208.04 SOD {21:10:08.04} UT
GRB_PHI:         133.96 [deg]
GRB_THETA:        29.69 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.66 [sigma]
IMAGE_SIGNIF:    7.06 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  -3  +0  +0 +58  +0 
SUN_POSTN:        26.69d {+01h 46m 46s}  +11.02d {+11d 01' 09"}
SUN_DIST:        125.66 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:       80.91d {+05h 23m 39s}  +25.20d {+25d 12' 02"}
MOON_DIST:       143.10 [deg]
MOON_ILLUM:      20 [%]
GAL_COORDS:       31.47, 28.66 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      253.80, 34.14 [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 = 83.89,-4.44 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 18 Apr 10 21:29:54 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     419797,   Seg_Num: 0
GRB_RA:          256.376d {+17h 05m 30s} (J2000),
                 256.497d {+17h 05m 59s} (current),
                 255.790d {+17h 03m 10s} (1950)
GRB_DEC:         +11.464d {+11d 27' 50"} (J2000),
                 +11.451d {+11d 27' 02"} (current),
                 +11.531d {+11d 31' 51"} (1950)
GRB_DATE:        15304 TJD;   108 DOY;   10/04/18
GRB_TIME:        76208.04 SOD {21:10:08.04} UT
TRIGGER_INDEX:   138
GRB_PHI:         133.96 [deg]
GRB_THETA:        29.69 [deg]
DELTA_TIME:      64.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.66 [sigma]
IMAGE_SIGNIF:    7.06 [sigma]
LC_URL:          sw00419797000msb.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 18 17:30:31 EDT 2010