TDRSS lightcurve for Trigger=674734

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Feb 16 11:11:09 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     674734,   Seg_Num: 0
GRB_RA:          259.854d {+17h 19m 25s} (J2000),
                 260.090d {+17h 20m 22s} (current),
                 259.124d {+17h 16m 30s} (1950)
GRB_DEC:         -18.123d {-18d 07' 22"} (J2000),
                 -18.139d {-18d 08' 18"} (current),
                 -18.072d {-18d 04' 19"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4204 [cnts]    Image_Peak=241 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   149     E_range: 25-100 keV
BKG_INTEN:       23637 [cnts]
BKG_TIME:        40240.13 SOD {11:10:40.13} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17438 TJD;    51 DOY;   16/02/20
GRB_TIME:        40253.82 SOD {11:10:53.82} UT
GRB_PHI:          10.95 [deg]
GRB_THETA:        40.76 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     20.80 [sigma]
IMAGE_SIGNIF:    10.83 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +0  +0  +1 -32  +0 
SUN_POSTN:       333.28d {+22h 13m 06s}  -11.03d {-11d 01' 51"}
SUN_DIST:         70.77 [deg]   Sun_angle= 4.9 [hr] (West of Sun)
MOON_POSTN:      126.04d {+08h 24m 11s}  +15.40d {+15d 24' 07"}
MOON_DIST:       136.02 [deg]
MOON_ILLUM:      95 [%]
GAL_COORDS:        5.91, 10.88 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      260.33,  4.98 [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 = 37.14,20.43 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Feb 16 11:18:28 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     674734,   Seg_Num: 0
GRB_RA:          259.854d {+17h 19m 25s} (J2000),
                 260.090d {+17h 20m 22s} (current),
                 259.124d {+17h 16m 30s} (1950)
GRB_DEC:         -18.123d {-18d 07' 22"} (J2000),
                 -18.139d {-18d 08' 18"} (current),
                 -18.072d {-18d 04' 19"} (1950)
GRB_DATE:        17438 TJD;    51 DOY;   16/02/20
GRB_TIME:        40253.82 SOD {11:10:53.82} UT
TRIGGER_INDEX:   149
GRB_PHI:          10.95 [deg]
GRB_THETA:        40.76 [deg]
DELTA_TIME:      71.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     20.80 [sigma]
IMAGE_SIGNIF:    10.83 [sigma]
LC_URL:          sw00674734000msb.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:
Sat Feb 20 06:18:42 EST 2016