TDRSS lightcurve for Trigger=998907

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 06 Oct 20 01:18:17 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     998907,   Seg_Num: 0
GRB_RA:           61.880d {+04h 07m 31s} (J2000),
                  62.367d {+04h 09m 28s} (current),
                  60.714d {+04h 02m 51s} (1950)
GRB_DEC:         +65.150d {+65d 08' 59"} (J2000),
                 +65.204d {+65d 12' 14"} (current),
                 +65.016d {+65d 00' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       1589 [cnts]    Image_Peak=109 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   40     E_range: 25-100 keV
BKG_INTEN:       16659 [cnts]
BKG_TIME:        4662.24 SOD {01:17:42.24} UT
BKG_DUR:         8 [sec]
GRB_DATE:        19128 TJD;   280 DOY;   20/10/06
GRB_TIME:        4672.03 SOD {01:17:52.03} UT
GRB_PHI:          85.33 [deg]
GRB_THETA:        31.35 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     20.19 [sigma]
IMAGE_SIGNIF:    8.04 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  -2  +0  +1 +35  +0 
SUN_POSTN:       192.20d {+12h 48m 47s}   -5.23d {-05d 13' 55"}
SUN_DIST:        110.51 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:       56.97d {+03h 47m 53s}  +17.93d {+17d 56' 03"}
MOON_DIST:        47.41 [deg]
MOON_ILLUM:      85 [%]
GAL_COORDS:      141.71,  9.70 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       74.22, 43.24 [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 = 11.43,19.88 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=623639877).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 06 Oct 20 01:34:37 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     998907,   Seg_Num: 0
GRB_RA:           61.880d {+04h 07m 31s} (J2000),
                  62.367d {+04h 09m 28s} (current),
                  60.714d {+04h 02m 51s} (1950)
GRB_DEC:         +65.150d {+65d 08' 59"} (J2000),
                 +65.204d {+65d 12' 14"} (current),
                 +65.016d {+65d 00' 58"} (1950)
GRB_DATE:        19128 TJD;   280 DOY;   20/10/06
GRB_TIME:        4672.03 SOD {01:17:52.03} UT
TRIGGER_INDEX:   40
GRB_PHI:          85.33 [deg]
GRB_THETA:        31.35 [deg]
DELTA_TIME:      -18.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     20.19 [sigma]
IMAGE_SIGNIF:    8.04 [sigma]
LC_URL:          sw00998907000msb.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:
Mon Oct  5 21:35:03 EDT 2020