TDRSS lightcurve for Trigger=972614

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 16 May 20 15:03:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     972614,   Seg_Num: 0
GRB_RA:          274.550d {+18h 18m 12s} (J2000),
                 274.844d {+18h 19m 23s} (current),
                 273.829d {+18h 15m 19s} (1950)
GRB_DEC:         -16.193d {-16d 11' 32"} (J2000),
                 -16.183d {-16d 10' 59"} (current),
                 -16.213d {-16d 12' 46"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       157 [cnts]    Image_Peak=31 [image_cnts]
TRIGGER_DUR:     0.016 [sec] 
TRIGGER_INDEX:   10209     E_range: 15-50 keV
BKG_INTEN:       31165 [cnts]
BKG_TIME:        54199.04 SOD {15:03:19.04} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18985 TJD;   137 DOY;   20/05/16
GRB_TIME:        54208.64 SOD {15:03:28.64} UT
GRB_PHI:          58.87 [deg]
GRB_THETA:        12.70 [deg]
SOLN_STATUS:     0x10000003
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    7.09 [sigma]
MERIT_PARAMS:     +1  +0  +0  -6  +1  -3  +0  +1 +77  +0 
SUN_POSTN:        53.89d {+03h 35m 33s}  +19.30d {+19d 17' 59"}
SUN_DIST:        140.95 [deg]   Sun_angle= 9.3 [hr] (West of Sun)
MOON_POSTN:      351.71d {+23h 26m 50s}   -9.13d {-09d 08' 00"}
MOON_DIST:        74.95 [deg]
MOON_ILLUM:      31 [%]
GAL_COORDS:       14.78, -0.21 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      274.40,  7.18 [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 = 215.20,19.12 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the SWIFT_BAT event (trignum=969823).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 16 May 20 15:21:10 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     972614,   Seg_Num: 0
GRB_RA:          274.550d {+18h 18m 12s} (J2000),
                 274.844d {+18h 19m 23s} (current),
                 273.829d {+18h 15m 19s} (1950)
GRB_DEC:         -16.193d {-16d 11' 32"} (J2000),
                 -16.183d {-16d 10' 59"} (current),
                 -16.213d {-16d 12' 46"} (1950)
GRB_DATE:        18985 TJD;   137 DOY;   20/05/16
GRB_TIME:        54208.69 SOD {15:03:28.69} UT
TRIGGER_INDEX:   10209
GRB_PHI:          58.87 [deg]
GRB_THETA:        12.70 [deg]
DELTA_TIME:      -3.00 [sec]
TRIGGER_DUR:     0.016 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    7.09 [sigma]
LC_URL:          sw00972614000msb.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 16 11:21:43 EDT 2020