TDRSS lightcurve for Trigger=810300

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Feb 18 06:06:02 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     810300,   Seg_Num: 0
GRB_RA:          254.545d {+16h 58m 11s} (J2000),
                 254.867d {+16h 59m 28s} (current),
                 253.658d {+16h 54m 38s} (1950)
GRB_DEC:         -42.709d {-42d 42' 31"} (J2000),
                 -42.735d {-42d 44' 07"} (current),
                 -42.633d {-42d 37' 56"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=14799 [image_cnts]
TRIGGER_DUR:     1664.000 [sec]   (=27.7 [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:        18165 TJD;    47 DOY;   18/02/16
GRB_TIME:        20243.51 SOD {05:37:23.51} UT
GRB_PHI:          30.45 [deg]
GRB_THETA:        24.89 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.08 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +0  +0  +1 -32  +0 
SUN_POSTN:       329.71d {+21h 58m 50s}  -12.33d {-12d 20' 03"}
SUN_DIST:         70.57 [deg]   Sun_angle= 5.0 [hr] (West of Sun)
MOON_POSTN:      334.34d {+22h 17m 20s}  -12.19d {-12d 11' 33"}
MOON_DIST:        74.06 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      343.24,  0.05 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      257.98,-19.91 [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 does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 94.73,19.85 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Feb 18 06:13:50 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     810300,   Seg_Num: 0
GRB_RA:          254.545d {+16h 58m 11s} (J2000),
                 254.867d {+16h 59m 28s} (current),
                 253.658d {+16h 54m 38s} (1950)
GRB_DEC:         -42.709d {-42d 42' 31"} (J2000),
                 -42.735d {-42d 44' 07"} (current),
                 -42.633d {-42d 37' 56"} (1950)
GRB_DATE:        18165 TJD;    47 DOY;   18/02/16
GRB_TIME:        20243.51 SOD {05:37:23.51} UT
TRIGGER_INDEX:   20000
GRB_PHI:          30.45 [deg]
GRB_THETA:        24.89 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1664.000 [sec]   (=27.7 [min])
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.08 [sigma]
LC_URL:          sw00810300000msb.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

Plot creation:
Fri Feb 16 01:14:44 EST 2018