TDRSS lightcurve for Trigger=971846

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 12 May 20 20:33:58 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     971846,   Seg_Num: 0
GRB_RA:            7.396d {+00h 29m 35s} (J2000),
                   7.656d {+00h 30m 37s} (current),
                   6.757d {+00h 27m 02s} (1950)
GRB_DEC:          -2.199d {-02d 11' 54"} (J2000),
                  -2.086d {-02d 05' 10"} (current),
                  -2.475d {-02d 28' 29"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       13723 [cnts]    Image_Peak=339 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       118124 [cnts]
BKG_TIME:        73935.07 SOD {20:32:15.07} UT
BKG_DUR:         40 [sec]
GRB_DATE:        18981 TJD;   133 DOY;   20/05/12
GRB_TIME:        73995.93 SOD {20:33:15.93} UT
GRB_PHI:         -120.54 [deg]
GRB_THETA:         5.53 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.60 [sigma]
IMAGE_SIGNIF:    7.66 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  -2  +0  +0 -68  +0 
SUN_POSTN:        50.16d {+03h 20m 38s}  +18.41d {+18d 24' 35"}
SUN_DIST:         46.56 [deg]   Sun_angle= 2.8 [hr] (West of Sun)
MOON_POSTN:      305.69d {+20h 22m 45s}  -22.28d {-22d 16' 49"}
MOON_DIST:        63.36 [deg]
MOON_ILLUM:      67 [%]
GAL_COORDS:      110.15,-64.53 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:        5.92, -4.95 [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 = 213.96,17.94 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 12 May 20 20:56:50 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     971846,   Seg_Num: 0
GRB_RA:            7.396d {+00h 29m 35s} (J2000),
                   7.656d {+00h 30m 37s} (current),
                   6.757d {+00h 27m 02s} (1950)
GRB_DEC:          -2.199d {-02d 11' 54"} (J2000),
                  -2.086d {-02d 05' 10"} (current),
                  -2.475d {-02d 28' 29"} (1950)
GRB_DATE:        18981 TJD;   133 DOY;   20/05/12
GRB_TIME:        73995.93 SOD {20:33:15.93} UT
TRIGGER_INDEX:   298
GRB_PHI:         -120.54 [deg]
GRB_THETA:         5.53 [deg]
DELTA_TIME:      -5.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.60 [sigma]
IMAGE_SIGNIF:    7.66 [sigma]
LC_URL:          sw00971846000msb.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 May 12 16:57:25 EDT 2020