TDRSS lightcurve for Trigger=745022

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 01 Apr 17 19:02:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     745022,   Seg_Num: 0
GRB_RA:          271.602d {+18h 06m 25s} (J2000),
                 271.863d {+18h 07m 27s} (current),
                 270.848d {+18h 03m 24s} (1950)
GRB_DEC:         -22.242d {-22d 14' 29"} (J2000),
                 -22.239d {-22d 14' 19"} (current),
                 -22.248d {-22d 14' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1819 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        17844 TJD;    91 DOY;   17/04/01
GRB_TIME:        68453.15 SOD {19:00:53.15} UT
GRB_PHI:         -38.76 [deg]
GRB_THETA:        12.01 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.44 [sigma]
MERIT_PARAMS:     +0  +0 +124  +6  +1  +0  +0  +1 +18  +0 
SUN_POSTN:        11.26d {+00h 45m 03s}   +4.84d {+04d 50' 16"}
SUN_DIST:        100.52 [deg]   Sun_angle= 6.6 [hr] (West of Sun)
MOON_POSTN:       75.29d {+05h 01m 10s}  +17.66d {+17d 39' 23"}
MOON_DIST:       163.78 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:        8.14, -0.68 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      271.48,  1.19 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=10750=SAX_J1806.5-221,   delta=0.018 [deg].  
COMMENTS:        This matches a source in the ground catalog: SAX_J1806.5-221,   delta=0.018 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 132.81,-17.94 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 01 Apr 17 19:18:45 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     745022,   Seg_Num: 0
GRB_RA:          271.602d {+18h 06m 25s} (J2000),
                 271.863d {+18h 07m 27s} (current),
                 270.848d {+18h 03m 24s} (1950)
GRB_DEC:         -22.242d {-22d 14' 29"} (J2000),
                 -22.239d {-22d 14' 19"} (current),
                 -22.248d {-22d 14' 51"} (1950)
GRB_DATE:        17844 TJD;    91 DOY;   17/04/01
GRB_TIME:        68453.15 SOD {19:00:53.15} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -38.76 [deg]
GRB_THETA:        12.01 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.44 [sigma]
LC_URL:          sw00745022000msb.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

Plot creation:
Sat Apr  1 15:37:48 EDT 2017