TDRSS lightcurve for Trigger=637044

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 03 Apr 15 21:54:33 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     637044,   Seg_Num: 0
GRB_RA:          311.505d {+20h 46m 01s} (J2000),
                 311.823d {+20h 47m 17s} (current),
                 310.455d {+20h 41m 49s} (1950)
GRB_DEC:         -62.702d {-62d 42' 04"} (J2000),
                 -62.645d {-62d 38' 41"} (current),
                 -62.884d {-62d 53' 02"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       7398 [cnts]    Image_Peak=781 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   148     E_range: 25-100 keV
BKG_INTEN:       25240 [cnts]
BKG_TIME:        78842.60 SOD {21:54:02.60} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17115 TJD;    93 DOY;   15/04/03
GRB_TIME:        78856.80 SOD {21:54:16.80} UT
GRB_PHI:         -65.39 [deg]
GRB_THETA:        33.01 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     77.90 [sigma]
IMAGE_SIGNIF:    21.08 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +7  +0  +0 -13  +0 
SUN_POSTN:        12.72d {+00h 50m 54s}   +5.45d {+05d 27' 12"}
SUN_DIST:         82.07 [deg]   Sun_angle= 4.1 [hr] (West of Sun)
MOON_POSTN:      186.61d {+12h 26m 27s}   -3.18d {-03d 11' 04"}
MOON_DIST:       102.43 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      333.17,-36.93 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      294.44,-42.74 [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 = 104.33,-20.53 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(6.0<100sec) coincident with the FERMI_GBM event (trignum=449790853).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 03 Apr 15 22:11:18 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     637044,   Seg_Num: 0
GRB_RA:          311.505d {+20h 46m 01s} (J2000),
                 311.823d {+20h 47m 17s} (current),
                 310.455d {+20h 41m 49s} (1950)
GRB_DEC:         -62.702d {-62d 42' 04"} (J2000),
                 -62.645d {-62d 38' 41"} (current),
                 -62.884d {-62d 53' 02"} (1950)
GRB_DATE:        17115 TJD;    93 DOY;   15/04/03
GRB_TIME:        78856.80 SOD {21:54:16.80} UT
TRIGGER_INDEX:   148
GRB_PHI:         -65.39 [deg]
GRB_THETA:        33.01 [deg]
DELTA_TIME:      19.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     77.90 [sigma]
IMAGE_SIGNIF:    21.08 [sigma]
LC_URL:          sw00637044000msb.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:
Fri Apr  3 18:11:23 EDT 2015