TDRSS lightcurve for Trigger=745966

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 06 Apr 17 12:32:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     745966,   Seg_Num: 0
GRB_RA:          282.038d {+18h 48m 09s} (J2000),
                 282.263d {+18h 49m 03s} (current),
                 281.385d {+18h 45m 32s} (1950)
GRB_DEC:          -2.439d {-02d 26' 18"} (J2000),
                  -2.418d {-02d 25' 05"} (current),
                  -2.495d {-02d 29' 41"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2715 [image_cnts]
TRIGGER_DUR:     192.000 [sec]   (=3.2 [min])
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:        17849 TJD;    96 DOY;   17/04/06
GRB_TIME:        44941.13 SOD {12:29:01.13} UT
GRB_PHI:         -142.87 [deg]
GRB_THETA:         2.99 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.83 [sigma]
MERIT_PARAMS:     +0  +0 +100  +8  +1  -2  +0  +1  +6  +0 
SUN_POSTN:        15.58d {+01h 02m 19s}   +6.64d {+06d 38' 25"}
SUN_DIST:         93.57 [deg]   Sun_angle= 6.2 [hr] (West of Sun)
MOON_POSTN:      143.36d {+09h 33m 26s}  +13.44d {+13d 26' 07"}
MOON_DIST:       137.91 [deg]
MOON_ILLUM:      78 [%]
GAL_COORDS:       30.39, -0.38 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      282.85, 20.47 [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=10765=4U1850-03,   delta=0.041 [deg].  
COMMENTS:        This matches a source in the ground catalog: 4U1850-03,   delta=0.041 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 289.01,12.49 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 06 Apr 17 12:45:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     745966,   Seg_Num: 0
GRB_RA:          282.038d {+18h 48m 09s} (J2000),
                 282.263d {+18h 49m 03s} (current),
                 281.385d {+18h 45m 32s} (1950)
GRB_DEC:          -2.439d {-02d 26' 18"} (J2000),
                  -2.418d {-02d 25' 05"} (current),
                  -2.495d {-02d 29' 41"} (1950)
GRB_DATE:        17849 TJD;    96 DOY;   17/04/06
GRB_TIME:        44941.13 SOD {12:29:01.13} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -142.87 [deg]
GRB_THETA:         2.99 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     192.000 [sec]   (=3.2 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.83 [sigma]
LC_URL:          sw00745966000msb.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

Plot creation:
Thu Apr  6 08:47:03 EDT 2017