TDRSS lightcurve for Trigger=809374

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Feb 18 00:15:29 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     809374,   Seg_Num: 0
GRB_RA:          299.747d {+19h 58m 59s} (J2000),
                 299.918d {+19h 59m 40s} (current),
                 299.276d {+19h 57m 06s} (1950)
GRB_DEC:         +35.038d {+35d 02' 18"} (J2000),
                 +35.088d {+35d 05' 18"} (current),
                 +34.901d {+34d 54' 04"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3401 [image_cnts]
TRIGGER_DUR:     352.000 [sec]   (=5.9 [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:        18159 TJD;    41 DOY;   18/02/10
GRB_TIME:        555.54 SOD {00:09:15.54} UT
GRB_PHI:         -19.76 [deg]
GRB_THETA:         9.15 [deg]
SOLN_STATUS:     0x113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.69 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2  +0  +1 -58  +0 
SUN_POSTN:       323.59d {+21h 34m 21s}  -14.43d {-14d 25' 50"}
SUN_DIST:         54.37 [deg]   Sun_angle= 1.6 [hr] (West of Sun)
MOON_POSTN:      256.44d {+17h 05m 45s}  -18.31d {-18d 18' 25"}
MOON_DIST:        67.47 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:       71.26,  2.87 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      313.79, 54.05 [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: Cyg X-1,   delta=0.208 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 185.28,17.45 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Feb 18 00:27:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     809374,   Seg_Num: 0
GRB_RA:          299.747d {+19h 58m 59s} (J2000),
                 299.918d {+19h 59m 40s} (current),
                 299.276d {+19h 57m 06s} (1950)
GRB_DEC:         +35.038d {+35d 02' 18"} (J2000),
                 +35.088d {+35d 05' 18"} (current),
                 +34.901d {+34d 54' 04"} (1950)
GRB_DATE:        18159 TJD;    41 DOY;   18/02/10
GRB_TIME:        555.54 SOD {00:09:15.54} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -19.76 [deg]
GRB_THETA:         9.15 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     352.000 [sec]   (=5.9 [min])
SOLN_STATUS:     0x113
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.69 [sigma]
LC_URL:          sw00809374000msb.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:
Fri Feb  9 19:28:23 EST 2018