TDRSS lightcurve for Trigger=893808

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Mar 19 01:15:36 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     893808,   Seg_Num: 0
GRB_RA:          117.811d {+07h 51m 15s} (J2000),
                 117.959d {+07h 51m 50s} (current),
                 117.424d {+07h 49m 42s} (1950)
GRB_DEC:         -45.890d {-45d 53' 22"} (J2000),
                 -45.940d {-45d 56' 22"} (current),
                 -45.761d {-45d 45' 37"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       16347 [cnts]    Image_Peak=278 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   337     E_range: 25-100 keV
BKG_INTEN:       115089 [cnts]
BKG_TIME:        4385.40 SOD {01:13:05.40} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18562 TJD;    79 DOY;   19/03/20
GRB_TIME:        4476.60 SOD {01:14:36.60} UT
GRB_PHI:           3.73 [deg]
GRB_THETA:        49.80 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    7.63 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  -2  +0  +1 +32  +0 
SUN_POSTN:       359.21d {+23h 56m 52s}   -0.34d {-00d 20' 24"}
SUN_DIST:        109.28 [deg]   Sun_angle= -7.9 [hr] (East of Sun)
MOON_POSTN:      167.82d {+11h 11m 16s}   +9.50d {+09d 30' 02"}
MOON_DIST:        71.12 [deg]
MOON_ILLUM:      99 [%]
GAL_COORDS:      259.92, -9.65 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      139.31,-64.64 [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 = 58.21,-20.07 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(20.0<100sec) coincident with the FERMI_GBM event (trignum=574737261).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Mar 19 01:31:28 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     893808,   Seg_Num: 0
GRB_RA:          117.811d {+07h 51m 15s} (J2000),
                 117.959d {+07h 51m 50s} (current),
                 117.424d {+07h 49m 42s} (1950)
GRB_DEC:         -45.890d {-45d 53' 22"} (J2000),
                 -45.940d {-45d 56' 22"} (current),
                 -45.761d {-45d 45' 37"} (1950)
GRB_DATE:        18562 TJD;    79 DOY;   19/03/20
GRB_TIME:        4476.60 SOD {01:14:36.60} UT
TRIGGER_INDEX:   337
GRB_PHI:           3.73 [deg]
GRB_THETA:        49.80 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    7.63 [sigma]
LC_URL:          sw00893808000msb.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 Mar 19 21:31:42 EDT 2019