TDRSS lightcurve for Trigger=906654

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 04 Jun 19 14:57:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     906654,   Seg_Num: 0
GRB_RA:          297.587d {+19h 50m 21s} (J2000),
                 297.897d {+19h 51m 35s} (current),
                 296.785d {+19h 47m 08s} (1950)
GRB_DEC:         -32.932d {-32d 55' 56"} (J2000),
                 -32.882d {-32d 52' 55"} (current),
                 -33.060d {-33d 03' 34"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2580 [cnts]    Image_Peak=168 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       14722 [cnts]
BKG_TIME:        53816.98 SOD {14:56:56.98} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18638 TJD;   155 DOY;   19/06/04
GRB_TIME:        53835.79 SOD {14:57:15.79} UT
GRB_PHI:         176.14 [deg]
GRB_THETA:        33.47 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.00 [sigma]
IMAGE_SIGNIF:    9.22 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +0  +0  +0 +75  +0 
SUN_POSTN:        72.34d {+04h 49m 22s}  +22.44d {+22d 26' 38"}
SUN_DIST:        138.66 [deg]   Sun_angle= 9.0 [hr] (West of Sun)
MOON_POSTN:       89.24d {+05h 56m 57s}  +21.70d {+21d 41' 42"}
MOON_DIST:       152.30 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:        7.47,-25.96 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      293.39,-11.71 [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 = 174.48,14.68 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 04 Jun 19 15:19:29 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     906654,   Seg_Num: 0
GRB_RA:          297.587d {+19h 50m 21s} (J2000),
                 297.897d {+19h 51m 35s} (current),
                 296.785d {+19h 47m 08s} (1950)
GRB_DEC:         -32.932d {-32d 55' 56"} (J2000),
                 -32.882d {-32d 52' 55"} (current),
                 -33.060d {-33d 03' 34"} (1950)
GRB_DATE:        18638 TJD;   155 DOY;   19/06/04
GRB_TIME:        53835.79 SOD {14:57:15.79} UT
TRIGGER_INDEX:   146
GRB_PHI:         176.14 [deg]
GRB_THETA:        33.47 [deg]
DELTA_TIME:      39.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.00 [sigma]
IMAGE_SIGNIF:    9.22 [sigma]
LC_URL:          sw00906654000msb.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:
Tue Jun  4 11:20:03 EDT 2019