TDRSS lightcurve for Trigger=1000631

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 Oct 20 13:33:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1000631,   Seg_Num: 0
GRB_RA:          170.233d {+11h 20m 56s} (J2000),
                 170.465d {+11h 21m 52s} (current),
                 169.679d {+11h 18m 43s} (1950)
GRB_DEC:         -60.614d {-60d 36' 48"} (J2000),
                 -60.728d {-60d 43' 39"} (current),
                 -60.339d {-60d 20' 21"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=5575 [image_cnts]
TRIGGER_DUR:     384.000 [sec]   (=6.4 [min])
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:        47630.17 SOD {13:13:50.17} UT
GRB_PHI:         -153.15 [deg]
GRB_THETA:        14.85 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.33 [sigma]
MERIT_PARAMS:     +0  +0  +2  +7  +1  -3  +0  +1 -55  +0 
SUN_POSTN:       202.83d {+13h 31m 19s}   -9.55d {-09d 32' 44"}
SUN_DIST:         56.50 [deg]   Sun_angle= 2.2 [hr] (West of Sun)
MOON_POSTN:      214.08d {+14h 16m 19s}   -9.75d {-09d 45' 00"}
MOON_DIST:        60.22 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      292.05,  0.33 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      209.20,-56.36 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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=10720=1E_1048.1-5937,   delta=3.888 [deg].  
COMMENTS:        This matches a source in the ground catalog: Cen_X-3,   delta=0.033 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 Oct 20 13:34:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1000631,   Seg_Num: 0
GRB_RA:          170.233d {+11h 20m 56s} (J2000),
                 170.465d {+11h 21m 52s} (current),
                 169.679d {+11h 18m 43s} (1950)
GRB_DEC:         -60.614d {-60d 36' 48"} (J2000),
                 -60.728d {-60d 43' 39"} (current),
                 -60.339d {-60d 20' 21"} (1950)
GRB_DATE:        19139 TJD;   291 DOY;   20/10/17
GRB_TIME:        47630.17 SOD {13:13:50.17} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -153.15 [deg]
GRB_THETA:        14.85 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     384.000 [sec]   (=6.4 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.33 [sigma]
LC_URL:          sw01000631000msb.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 09:36:23 EDT 2020