TDRSS lightcurve for Trigger=957271

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Feb 20 07:42:56 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     957271,   Seg_Num: 0
GRB_RA:          342.644d {+22h 50m 35s} (J2000),
                 342.958d {+22h 51m 50s} (current),
                 341.861d {+22h 47m 27s} (1950)
GRB_DEC:         -59.108d {-59d 06' 29"} (J2000),
                 -59.001d {-59d 00' 03"} (current),
                 -59.373d {-59d 22' 23"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2946 [cnts]    Image_Peak=283 [image_cnts]
TRIGGER_DUR:     0.256 [sec] 
TRIGGER_INDEX:   126     E_range: 50-350 keV
BKG_INTEN:       17925 [cnts]
BKG_TIME:        27399.53 SOD {07:36:39.53} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18898 TJD;    50 DOY;   20/02/19
GRB_TIME:        27409.13 SOD {07:36:49.13} UT
GRB_PHI:          -0.89 [deg]
GRB_THETA:        17.50 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     97.43 [sigma]
IMAGE_SIGNIF:    13.23 [sigma]
MERIT_PARAMS:     +1  +0  +0  -2  +3  +2  +0  +0 -66  +0 
SUN_POSTN:       332.20d {+22h 08m 49s}  -11.43d {-11d 25' 41"}
SUN_DIST:         48.26 [deg]   Sun_angle= -0.7 [hr] (East of Sun)
MOON_POSTN:      282.12d {+18h 48m 29s}  -23.33d {-23d 20' 00"}
MOON_DIST:        55.25 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      327.64,-51.83 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      315.48,-46.59 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 16.39,13.98 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Feb 20 08:02:23 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     957271,   Seg_Num: 0
GRB_RA:          342.644d {+22h 50m 35s} (J2000),
                 342.958d {+22h 51m 50s} (current),
                 341.861d {+22h 47m 27s} (1950)
GRB_DEC:         -59.108d {-59d 06' 29"} (J2000),
                 -59.001d {-59d 00' 03"} (current),
                 -59.373d {-59d 22' 23"} (1950)
GRB_DATE:        18898 TJD;    50 DOY;   20/02/19
GRB_TIME:        27409.13 SOD {07:36:49.13} UT
TRIGGER_INDEX:   126
GRB_PHI:          -0.89 [deg]
GRB_THETA:        17.50 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     0.256 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     97.43 [sigma]
IMAGE_SIGNIF:    13.23 [sigma]
LC_URL:          sw00957271000msb.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:
Wed Feb 19 03:02:42 EST 2020