TDRSS lightcurve for Trigger=973140

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 19 May 20 11:20:39 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     973140,   Seg_Num: 0
GRB_RA:          255.334d {+17h 01m 20s} (J2000),
                 255.659d {+17h 02m 38s} (current),
                 254.536d {+16h 58m 09s} (1950)
GRB_DEC:         -30.380d {-30d 22' 47"} (J2000),
                 -30.409d {-30d 24' 30"} (current),
                 -30.308d {-30d 18' 27"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2558 [cnts]    Image_Peak=213 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       23953 [cnts]
BKG_TIME:        40807.03 SOD {11:20:07.03} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18988 TJD;   140 DOY;   20/05/19
GRB_TIME:        40823.73 SOD {11:20:23.73} UT
GRB_PHI:          50.89 [deg]
GRB_THETA:         8.02 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     25.29 [sigma]
IMAGE_SIGNIF:    11.13 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +1  +0  +1 +94  +0 
SUN_POSTN:        56.72d {+03h 46m 53s}  +19.92d {+19d 55' 13"}
SUN_DIST:        159.95 [deg]   Sun_angle= 10.7 [hr] (West of Sun)
MOON_POSTN:       22.66d {+01h 30m 39s}   +4.33d {+04d 19' 56"}
MOON_DIST:       123.77 [deg]
MOON_ILLUM:      10 [%]
GAL_COORDS:      353.38,  7.14 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      257.27, -7.59 [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 = 214.55,12.05 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 19 May 20 11:45:18 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     973140,   Seg_Num: 0
GRB_RA:          255.334d {+17h 01m 20s} (J2000),
                 255.659d {+17h 02m 38s} (current),
                 254.536d {+16h 58m 09s} (1950)
GRB_DEC:         -30.380d {-30d 22' 47"} (J2000),
                 -30.409d {-30d 24' 30"} (current),
                 -30.308d {-30d 18' 27"} (1950)
GRB_DATE:        18988 TJD;   140 DOY;   20/05/19
GRB_TIME:        40823.73 SOD {11:20:23.73} UT
TRIGGER_INDEX:   124
GRB_PHI:          50.89 [deg]
GRB_THETA:         8.02 [deg]
DELTA_TIME:      -69.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     25.29 [sigma]
IMAGE_SIGNIF:    11.13 [sigma]
LC_URL:          sw00973140000msb.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

Plot creation:
Tue May 19 07:45:45 EDT 2020