TDRSS lightcurve for Trigger=973628

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 22 May 20 11:41:52 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     973628,   Seg_Num: 0
GRB_RA:            5.667d {+00h 22m 40s} (J2000),
                   5.928d {+00h 23m 43s} (current),
                   5.026d {+00h 20m 06s} (1950)
GRB_DEC:          -0.282d {-00d 16' 53"} (J2000),
                  -0.169d {-00d 10' 06"} (current),
                  -0.559d {-00d 33' 31"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       916 [cnts]    Image_Peak=116 [image_cnts]
TRIGGER_DUR:     0.128 [sec] 
TRIGGER_INDEX:   122     E_range: 25-100 keV
BKG_INTEN:       21448 [cnts]
BKG_TIME:        42079.01 SOD {11:41:19.01} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18991 TJD;   143 DOY;   20/05/22
GRB_TIME:        42094.12 SOD {11:41:34.12} UT
GRB_PHI:         170.50 [deg]
GRB_THETA:        24.82 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     30.62 [sigma]
IMAGE_SIGNIF:    9.79 [sigma]
MERIT_PARAMS:     +1  +0  +0  -3  +2  +0  +0  +0 -55  +0 
SUN_POSTN:        59.74d {+03h 58m 58s}  +20.53d {+20d 31' 39"}
SUN_DIST:         56.50 [deg]   Sun_angle= 3.6 [hr] (West of Sun)
MOON_POSTN:       57.50d {+03h 49m 59s}  +17.34d {+17d 20' 07"}
MOON_DIST:        53.67 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      107.32,-62.28 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:        5.09, -2.51 [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 = 353.33,-8.35 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 22 May 20 11:58:43 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     973628,   Seg_Num: 0
GRB_RA:            5.667d {+00h 22m 40s} (J2000),
                   5.928d {+00h 23m 43s} (current),
                   5.026d {+00h 20m 06s} (1950)
GRB_DEC:          -0.282d {-00d 16' 53"} (J2000),
                  -0.169d {-00d 10' 06"} (current),
                  -0.559d {-00d 33' 31"} (1950)
GRB_DATE:        18991 TJD;   143 DOY;   20/05/22
GRB_TIME:        42094.12 SOD {11:41:34.12} UT
TRIGGER_INDEX:   122
GRB_PHI:         170.50 [deg]
GRB_THETA:        24.82 [deg]
DELTA_TIME:      -70.00 [sec]
TRIGGER_DUR:     0.128 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     30.62 [sigma]
IMAGE_SIGNIF:    9.79 [sigma]
LC_URL:          sw00973628000msb.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:
Fri May 22 09:02:23 EDT 2020