TDRSS lightcurve for Trigger=639636

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 02 May 15 11:32:00 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     639636,   Seg_Num: 0
GRB_RA:          350.788d {+23h 23m 09s} (J2000),
                 350.982d {+23h 23m 56s} (current),
                 350.153d {+23h 20m 37s} (1950)
GRB_DEC:          +7.897d {+07d 53' 50"} (J2000),
                  +7.981d {+07d 58' 53"} (current),
                  +7.623d {+07d 37' 21"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1246 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        17144 TJD;   122 DOY;   15/05/02
GRB_TIME:        41442.47 SOD {11:30:42.47} UT
GRB_PHI:         -163.35 [deg]
GRB_THETA:        31.34 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.38 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +0 -67  +0 
SUN_POSTN:        39.32d {+02h 37m 17s}  +15.36d {+15d 21' 37"}
SUN_DIST:         47.81 [deg]   Sun_angle= 3.2 [hr] (West of Sun)
MOON_POSTN:      201.48d {+13h 25m 56s}   -7.86d {-07d 51' 39"}
MOON_DIST:       149.80 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:       88.40,-48.96 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      354.69, 10.90 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 2.48,-17.66 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 02 May 15 11:47:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     639636,   Seg_Num: 0
GRB_RA:          350.788d {+23h 23m 09s} (J2000),
                 350.982d {+23h 23m 56s} (current),
                 350.153d {+23h 20m 37s} (1950)
GRB_DEC:          +7.897d {+07d 53' 50"} (J2000),
                  +7.981d {+07d 58' 53"} (current),
                  +7.623d {+07d 37' 21"} (1950)
GRB_DATE:        17144 TJD;   122 DOY;   15/05/02
GRB_TIME:        41442.47 SOD {11:30:42.47} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -163.35 [deg]
GRB_THETA:        31.34 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.38 [sigma]
LC_URL:          sw00639636000msb.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 May  2 07:48:03 EDT 2015