TDRSS lightcurve for Trigger=814090

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 13 Mar 18 17:49:29 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     814090,   Seg_Num: 0
GRB_RA:          275.091d {+18h 20m 22s} (J2000),
                 275.312d {+18h 21m 15s} (current),
                 274.486d {+18h 17m 57s} (1950)
GRB_DEC:          +7.188d {+07d 11' 17"} (J2000),
                  +7.197d {+07d 11' 50"} (current),
                  +7.165d {+07d 09' 53"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       7906 [cnts]    Image_Peak=233 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   253     E_range: 15-50 keV
BKG_INTEN:       82513 [cnts]
BKG_TIME:        64099.38 SOD {17:48:19.38} UT
BKG_DUR:         24 [sec]
GRB_DATE:        18190 TJD;    72 DOY;   18/03/13
GRB_TIME:        64134.90 SOD {17:48:54.90} UT
GRB_PHI:         -149.78 [deg]
GRB_THETA:         0.03 [deg]
SOLN_STATUS:     0x1000008D
RATE_SIGNIF:     11.40 [sigma]
IMAGE_SIGNIF:    6.73 [sigma]
MERIT_PARAMS:     +0  +0 +100  +1  +1  -3  +0  +0 -18  +0 
SUN_POSTN:       353.67d {+23h 34m 40s}   -2.74d {-02d 44' 15"}
SUN_DIST:         78.81 [deg]   Sun_angle= 5.2 [hr] (West of Sun)
MOON_POSTN:      311.75d {+20h 47m 01s}  -17.37d {-17d 21' 53"}
MOON_DIST:        43.58 [deg]
MOON_ILLUM:      14 [%]
GAL_COORDS:       35.86, 10.16 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      275.87, 30.52 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 163.00,-4.40 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 13 Mar 18 18:05:34 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     814090,   Seg_Num: 0
GRB_RA:          275.091d {+18h 20m 22s} (J2000),
                 275.312d {+18h 21m 15s} (current),
                 274.486d {+18h 17m 57s} (1950)
GRB_DEC:          +7.188d {+07d 11' 17"} (J2000),
                  +7.197d {+07d 11' 50"} (current),
                  +7.165d {+07d 09' 53"} (1950)
GRB_DATE:        18190 TJD;    72 DOY;   18/03/13
GRB_TIME:        64134.90 SOD {17:48:54.90} UT
TRIGGER_INDEX:   253
GRB_PHI:         -149.78 [deg]
GRB_THETA:         0.03 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x8D
RATE_SIGNIF:     11.40 [sigma]
IMAGE_SIGNIF:    6.73 [sigma]
LC_URL:          sw00814090000msb.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:
Tue Mar 13 14:05:45 EDT 2018