TDRSS lightcurve for Trigger=808755

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 05 Feb 18 19:27:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     808755,   Seg_Num: 0
GRB_RA:          251.749d {+16h 47m 00s} (J2000),
                 252.080d {+16h 48m 19s} (current),
                 250.837d {+16h 43m 21s} (1950)
GRB_DEC:         -45.850d {-45d 51' 00"} (J2000),
                 -45.882d {-45d 52' 53"} (current),
                 -45.761d {-45d 45' 39"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       615 [cnts]    Image_Peak=90 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10409     E_range: 15-50 keV
BKG_INTEN:       30735 [cnts]
BKG_TIME:        70019.56 SOD {19:26:59.56} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18154 TJD;    36 DOY;   18/02/05
GRB_TIME:        70031.72 SOD {19:27:11.72} UT
GRB_PHI:         -112.61 [deg]
GRB_THETA:         1.02 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     22.47 [sigma]
IMAGE_SIGNIF:    9.73 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +1  +0  +0  +1 -44  +0 
SUN_POSTN:       319.40d {+21h 17m 36s}  -15.75d {-15d 45' 16"}
SUN_DIST:         63.05 [deg]   Sun_angle= 4.5 [hr] (West of Sun)
MOON_POSTN:      205.43d {+13h 41m 43s}   -5.20d {-05d 12' 08"}
MOON_DIST:        57.25 [deg]
MOON_ILLUM:      68 [%]
GAL_COORDS:      339.54, -0.39 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      256.26,-23.28 [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 does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 180.28,-16.62 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 05 Feb 18 19:46:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     808755,   Seg_Num: 0
GRB_RA:          251.749d {+16h 47m 00s} (J2000),
                 252.080d {+16h 48m 19s} (current),
                 250.837d {+16h 43m 21s} (1950)
GRB_DEC:         -45.850d {-45d 51' 00"} (J2000),
                 -45.882d {-45d 52' 53"} (current),
                 -45.761d {-45d 45' 39"} (1950)
GRB_DATE:        18154 TJD;    36 DOY;   18/02/05
GRB_TIME:        70031.96 SOD {19:27:11.96} UT
TRIGGER_INDEX:   10409
GRB_PHI:         -112.61 [deg]
GRB_THETA:         1.02 [deg]
DELTA_TIME:      40.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     22.47 [sigma]
IMAGE_SIGNIF:    9.73 [sigma]
LC_URL:          sw00808755000msb.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:
Mon Feb  5 14:47:10 EST 2018