TDRSS lightcurve for Trigger=645172

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Jun 15 13:05:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     645172,   Seg_Num: 0
GRB_RA:          245.191d {+16h 20m 46s} (J2000),
                 245.411d {+16h 21m 39s} (current),
                 244.480d {+16h 17m 55s} (1950)
GRB_DEC:         -15.590d {-15d 35' 22"} (J2000),
                 -15.626d {-15d 37' 32"} (current),
                 -15.471d {-15d 28' 16"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1786 [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:        17193 TJD;   171 DOY;   15/06/20
GRB_TIME:        47018.25 SOD {13:03:38.25} UT
GRB_PHI:          77.18 [deg]
GRB_THETA:        22.54 [deg]
SOLN_STATUS:     0x20000513
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.65 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -1  +0  +0 +91  +0 
SUN_POSTN:        88.81d {+05h 55m 14s}  +23.43d {+23d 25' 56"}
SUN_DIST:        156.65 [deg]   Sun_angle= -10.4 [hr] (East of Sun)
MOON_POSTN:      137.27d {+09h 09m 04s}  +12.42d {+12d 25' 08"}
MOON_DIST:       110.54 [deg]
MOON_ILLUM:      16 [%]
GAL_COORDS:      359.28, 23.66 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      246.03,  5.81 [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 does not match any source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: Sco_X-1,   delta=0.209 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 136.96,18.89 [deg].  
COMMENTS:           
COMMENTS:        This trigger occured while the StarTracker had lost lock, so it is possibly bogus.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Jun 15 13:20:40 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     645172,   Seg_Num: 0
GRB_RA:          245.191d {+16h 20m 46s} (J2000),
                 245.411d {+16h 21m 39s} (current),
                 244.480d {+16h 17m 55s} (1950)
GRB_DEC:         -15.590d {-15d 35' 22"} (J2000),
                 -15.626d {-15d 37' 32"} (current),
                 -15.471d {-15d 28' 16"} (1950)
GRB_DATE:        17193 TJD;   171 DOY;   15/06/20
GRB_TIME:        47018.25 SOD {13:03:38.25} UT
TRIGGER_INDEX:   20000
GRB_PHI:          77.18 [deg]
GRB_THETA:        22.54 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x513
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.65 [sigma]
LC_URL:          sw00645172000msb.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:
Sat Jun 20 09:21:03 EDT 2015