TDRSS lightcurve for Trigger=641698

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 May 15 06:49:10 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     641698,   Seg_Num: 0
GRB_RA:          288.958d {+19h 15m 50s} (J2000),
                 289.149d {+19h 16m 36s} (current),
                 288.336d {+19h 13m 21s} (1950)
GRB_DEC:          +4.194d {+04d 11' 38"} (J2000),
                  +4.222d {+04d 13' 19"} (current),
                  +4.105d {+04d 06' 18"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2763 [cnts]    Image_Peak=175 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       31560 [cnts]
BKG_TIME:        24522.36 SOD {06:48:42.36} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17169 TJD;   147 DOY;   15/05/27
GRB_TIME:        24535.80 SOD {06:48:55.80} UT
GRB_PHI:         -91.77 [deg]
GRB_THETA:        10.26 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.03 [sigma]
IMAGE_SIGNIF:    9.07 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +0  +0  +1 +62  +0 
SUN_POSTN:        63.79d {+04h 15m 09s}  +21.25d {+21d 15' 08"}
SUN_DIST:        128.78 [deg]   Sun_angle= 9.0 [hr] (West of Sun)
MOON_POSTN:      172.71d {+11h 30m 51s}   +1.58d {+01d 34' 59"}
MOON_DIST:       116.22 [deg]
MOON_ILLUM:      65 [%]
GAL_COORDS:       39.46, -3.49 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      291.18, 26.25 [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 = 355.32,-1.13 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 May 15 07:05:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     641698,   Seg_Num: 0
GRB_RA:          288.958d {+19h 15m 50s} (J2000),
                 289.149d {+19h 16m 36s} (current),
                 288.336d {+19h 13m 21s} (1950)
GRB_DEC:          +4.194d {+04d 11' 38"} (J2000),
                  +4.222d {+04d 13' 19"} (current),
                  +4.105d {+04d 06' 18"} (1950)
GRB_DATE:        17169 TJD;   147 DOY;   15/05/27
GRB_TIME:        24535.80 SOD {06:48:55.80} UT
TRIGGER_INDEX:   124
GRB_PHI:         -91.77 [deg]
GRB_THETA:        10.26 [deg]
DELTA_TIME:      -63.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.03 [sigma]
IMAGE_SIGNIF:    9.07 [sigma]
LC_URL:          sw00641698000msb.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:
Wed May 27 03:06:03 EDT 2015