TDRSS lightcurve for Trigger=666827

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 Dec 15 06:23:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     666827,   Seg_Num: 0
GRB_RA:          282.088d {+18h 48m 21s} (J2000),
                 282.296d {+18h 49m 11s} (current),
                 281.436d {+18h 45m 45s} (1950)
GRB_DEC:          -2.421d {-02d 25' 16"} (J2000),
                  -2.403d {-02d 24' 09"} (current),
                  -2.478d {-02d 28' 40"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=6210 [image_cnts]
TRIGGER_DUR:     848.000 [sec]   (=14.1 [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:        17365 TJD;   343 DOY;   15/12/09
GRB_TIME:        22112.47 SOD {06:08:32.47} UT
GRB_PHI:         -91.70 [deg]
GRB_THETA:        17.79 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.73 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2 -100  +1 -84  +0 
SUN_POSTN:       255.71d {+17h 02m 50s}  -22.79d {-22d 47' 09"}
SUN_DIST:         32.86 [deg]   Sun_angle= -1.8 [hr] (East of Sun)
MOON_POSTN:      230.38d {+15h 21m 31s}  -14.34d {-14d 20' 15"}
MOON_DIST:        52.59 [deg]
MOON_ILLUM:      5 [%]
GAL_COORDS:       30.43, -0.42 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      282.91, 20.48 [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 = 138.60,-19.85 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 Dec 15 06:30:37 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     666827,   Seg_Num: 0
GRB_RA:          282.088d {+18h 48m 21s} (J2000),
                 282.296d {+18h 49m 11s} (current),
                 281.436d {+18h 45m 45s} (1950)
GRB_DEC:          -2.421d {-02d 25' 16"} (J2000),
                  -2.403d {-02d 24' 09"} (current),
                  -2.478d {-02d 28' 40"} (1950)
GRB_DATE:        17365 TJD;   343 DOY;   15/12/09
GRB_TIME:        22112.47 SOD {06:08:32.47} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -91.70 [deg]
GRB_THETA:        17.79 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     848.000 [sec]   (=14.1 [min])
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.73 [sigma]
LC_URL:          sw00666827000msb.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

Plot creation:
Wed Dec  9 01:30:43 EST 2015