TDRSS lightcurve for Trigger=970886

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 09 May 20 06:48:04 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     970886,   Seg_Num: 0
GRB_RA:          116.450d {+07h 45m 48s} (J2000),
                 116.702d {+07h 46m 49s} (current),
                 115.829d {+07h 43m 19s} (1950)
GRB_DEC:          -4.641d {-04d 38' 28"} (J2000),
                  -4.692d {-04d 41' 30"} (current),
                  -4.519d {-04d 31' 06"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       13927 [cnts]    Image_Peak=365 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       115041 [cnts]
BKG_TIME:        24383.09 SOD {06:46:23.09} UT
BKG_DUR:         40 [sec]
GRB_DATE:        18978 TJD;   130 DOY;   20/05/09
GRB_TIME:        24437.42 SOD {06:47:17.42} UT
GRB_PHI:         -171.08 [deg]
GRB_THETA:        46.50 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.15 [sigma]
IMAGE_SIGNIF:    10.20 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  +0  +0  +1 -30  +0 
SUN_POSTN:        46.66d {+03h 06m 38s}  +17.50d {+17d 29' 55"}
SUN_DIST:         72.55 [deg]   Sun_angle= -4.7 [hr] (East of Sun)
MOON_POSTN:      253.16d {+16h 52m 39s}  -21.15d {-21d 08' 53"}
MOON_DIST:       130.11 [deg]
MOON_ILLUM:      95 [%]
GAL_COORDS:      223.39,  9.88 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      119.44,-25.42 [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 = 127.04,8.09 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 09 May 20 07:04:17 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     970886,   Seg_Num: 0
GRB_RA:          116.450d {+07h 45m 48s} (J2000),
                 116.702d {+07h 46m 49s} (current),
                 115.829d {+07h 43m 19s} (1950)
GRB_DEC:          -4.641d {-04d 38' 28"} (J2000),
                  -4.692d {-04d 41' 30"} (current),
                  -4.519d {-04d 31' 06"} (1950)
GRB_DATE:        18978 TJD;   130 DOY;   20/05/09
GRB_TIME:        24437.42 SOD {06:47:17.42} UT
TRIGGER_INDEX:   298
GRB_PHI:         -171.08 [deg]
GRB_THETA:        46.50 [deg]
DELTA_TIME:      6.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.15 [sigma]
IMAGE_SIGNIF:    10.20 [sigma]
LC_URL:          sw00970886000msb.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:
Sat May  9 03:04:43 EDT 2020