TDRSS lightcurve for Trigger=1000926

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 20 Oct 20 05:48:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1000926,   Seg_Num: 0
GRB_RA:          261.246d {+17h 24m 59s} (J2000),
                 261.443d {+17h 25m 46s} (current),
                 260.774d {+17h 23m 06s} (1950)
GRB_DEC:         +31.425d {+31d 25' 30"} (J2000),
                 +31.407d {+31d 24' 27"} (current),
                 +31.468d {+31d 28' 06"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2371 [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:        19142 TJD;   294 DOY;   20/10/20
GRB_TIME:        20846.16 SOD {05:47:26.16} UT
GRB_PHI:           1.48 [deg]
GRB_THETA:        26.26 [deg]
SOLN_STATUS:     0x20000013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    12.20 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +1  +0  +0 -37  +0 
SUN_POSTN:       205.34d {+13h 41m 22s}  -10.51d {-10d 30' 40"}
SUN_DIST:         68.10 [deg]   Sun_angle= -3.7 [hr] (East of Sun)
MOON_POSTN:      253.90d {+16h 55m 35s}  -21.93d {-21d 55' 40"}
MOON_DIST:        53.82 [deg]
MOON_ILLUM:      16 [%]
GAL_COORDS:       54.94, 31.16 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      257.09, 54.47 [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 = 183.56,19.19 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(19.0<100sec) coincident with the FERMI_GBM event (trignum=624865670).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 20 Oct 20 06:04:25 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1000926,   Seg_Num: 0
GRB_RA:          261.246d {+17h 24m 59s} (J2000),
                 261.443d {+17h 25m 46s} (current),
                 260.774d {+17h 23m 06s} (1950)
GRB_DEC:         +31.425d {+31d 25' 30"} (J2000),
                 +31.407d {+31d 24' 27"} (current),
                 +31.468d {+31d 28' 06"} (1950)
GRB_DATE:        19142 TJD;   294 DOY;   20/10/20
GRB_TIME:        20846.16 SOD {05:47:26.16} UT
TRIGGER_INDEX:   20000
GRB_PHI:           1.48 [deg]
GRB_THETA:        26.26 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    12.20 [sigma]
LC_URL:          sw01000926000msb.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:
Tue Oct 20 02:05:23 EDT 2020