TDRSS lightcurve for Trigger=813772

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 12 Mar 18 00:51:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     813772,   Seg_Num: 0
GRB_RA:          275.100d {+18h 20m 24s} (J2000),
                 275.320d {+18h 21m 17s} (current),
                 274.494d {+18h 17m 59s} (1950)
GRB_DEC:          +7.176d {+07d 10' 34"} (J2000),
                  +7.185d {+07d 11' 07"} (current),
                  +7.153d {+07d 09' 11"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1692 [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:        18189 TJD;    71 DOY;   18/03/12
GRB_TIME:        2995.39 SOD {00:49:55.39} UT
GRB_PHI:         -92.75 [deg]
GRB_THETA:         0.07 [deg]
SOLN_STATUS:     0x1000001D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.87 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  -1  +0  +0 -21  +0 
SUN_POSTN:       352.10d {+23h 28m 23s}   -3.41d {-03d 24' 36"}
SUN_DIST:         77.34 [deg]   Sun_angle= 5.1 [hr] (West of Sun)
MOON_POSTN:      290.37d {+19h 21m 29s}  -19.81d {-19d 48' 22"}
MOON_DIST:        30.79 [deg]
MOON_ILLUM:      27 [%]
GAL_COORDS:       35.85, 10.15 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      275.88, 30.51 [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=23771=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 168.83,-19.53 [deg].  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 12 Mar 18 01:06:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     813772,   Seg_Num: 0
GRB_RA:          275.100d {+18h 20m 24s} (J2000),
                 275.320d {+18h 21m 17s} (current),
                 274.494d {+18h 17m 59s} (1950)
GRB_DEC:          +7.176d {+07d 10' 34"} (J2000),
                  +7.185d {+07d 11' 07"} (current),
                  +7.153d {+07d 09' 11"} (1950)
GRB_DATE:        18189 TJD;    71 DOY;   18/03/12
GRB_TIME:        2995.39 SOD {00:49:55.39} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -92.75 [deg]
GRB_THETA:         0.07 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x1D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.87 [sigma]
LC_URL:          sw00813772000msb.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:
Sun Mar 11 21:07:42 EDT 2018