TDRSS lightcurve for Trigger=1000668

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 Oct 20 21:21:39 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1000668,   Seg_Num: 0
GRB_RA:          135.572d {+09h 02m 17s} (J2000),
                 135.769d {+09h 03m 05s} (current),
                 135.098d {+09h 00m 23s} (1950)
GRB_DEC:         -40.511d {-40d 30' 37"} (J2000),
                 -40.593d {-40d 35' 35"} (current),
                 -40.313d {-40d 18' 44"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3806 [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:        19139 TJD;   291 DOY;   20/10/17
GRB_TIME:        76822.17 SOD {21:20:22.17} UT
GRB_PHI:         166.13 [deg]
GRB_THETA:         0.07 [deg]
SOLN_STATUS:     0x1000011D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    16.99 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +5  +0  +1 -39  +0 
SUN_POSTN:       203.13d {+13h 32m 32s}   -9.66d {-09d 39' 49"}
SUN_DIST:         66.59 [deg]   Sun_angle= 4.5 [hr] (West of Sun)
MOON_POSTN:      218.73d {+14h 34m 56s}  -11.62d {-11d 36' 54"}
MOON_DIST:        77.17 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:      263.05,  3.98 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      157.05,-53.87 [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 matches a source in the on-board catalog: Num=20665=(null) (probably an AT_Slot).  
COMMENTS:        This matches a source in the ground catalog: Vela_X-1,   delta=0.055 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 158.83,-20.07 [deg].  
COMMENTS:

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 Oct 20 21:25:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1000665,   Seg_Num: 0
GRB_RA:          135.774d {+09h 03m 06s} (J2000),
                 135.972d {+09h 03m 53s} (current),
                 135.300d {+09h 01m 12s} (1950)
GRB_DEC:         -40.448d {-40d 26' 53"} (J2000),
                 -40.532d {-40d 31' 52"} (current),
                 -40.250d {-40d 14' 58"} (1950)
GRB_DATE:        19139 TJD;   291 DOY;   20/10/17
GRB_TIME:        76414.17 SOD {21:13:34.17} UT
TRIGGER_INDEX:   20000
GRB_PHI:           9.55 [deg]
GRB_THETA:        45.01 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     128.000 [sec] 
SOLN_STATUS:     0x513
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.10 [sigma]
LC_URL:          sw01000665000msb.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

Plot creation:
Sat Oct 17 17:26:28 EDT 2020