TDRSS lightcurve for Trigger=756953

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 12 Jun 17 20:56:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     756953,   Seg_Num: 0
GRB_RA:          262.731d {+17h 30m 56s} (J2000),
                 262.965d {+17h 31m 52s} (current),
                 262.062d {+17h 28m 15s} (1950)
GRB_DEC:          -5.979d {-05d 58' 42"} (J2000),
                  -5.991d {-05d 59' 25"} (current),
                  -5.942d {-05d 56' 29"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1247 [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:        17916 TJD;   163 DOY;   17/06/12
GRB_TIME:        75308.79 SOD {20:55:08.79} UT
GRB_PHI:         -171.99 [deg]
GRB_THETA:         8.31 [deg]
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.98 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  -5  +0  +0 +95  +1 
SUN_POSTN:        81.37d {+05h 25m 29s}  +23.20d {+23d 11' 57"}
SUN_DIST:        162.72 [deg]   Sun_angle= 11.9 [hr] (West of Sun)
MOON_POSTN:      300.20d {+20h 00m 49s}  -18.15d {-18d 08' 58"}
MOON_DIST:        38.29 [deg]
MOON_ILLUM:      90 [%]
GAL_COORDS:       18.02, 14.90 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      262.43, 17.27 [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=10644=IGR17303-0601,   delta=0.141 [deg].  
COMMENTS:        This matches a source in the ground catalog: IGR17303-0601,   delta=0.141 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:           
COMMENTS:        The IMAGE_SIGNIF is VERY LOW, this is very likely not real.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 12 Jun 17 21:28:04 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     756953,   Seg_Num: 0
GRB_RA:          262.731d {+17h 30m 56s} (J2000),
                 262.965d {+17h 31m 52s} (current),
                 262.062d {+17h 28m 15s} (1950)
GRB_DEC:          -5.979d {-05d 58' 42"} (J2000),
                  -5.991d {-05d 59' 25"} (current),
                  -5.942d {-05d 56' 29"} (1950)
GRB_DATE:        17916 TJD;   163 DOY;   17/06/12
GRB_TIME:        75308.79 SOD {20:55:08.79} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -171.99 [deg]
GRB_THETA:         8.31 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.98 [sigma]
LC_URL:          sw00756953000msb.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:
Mon Jun 12 17:29:34 EDT 2017