TDRSS lightcurve for Trigger=548927

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 16 Feb 13 22:24:42 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     548927,   Seg_Num: 0
GRB_RA:           67.898d {+04h 31m 36s} (J2000),
                  68.084d {+04h 32m 20s} (current),
                  67.191d {+04h 28m 46s} (1950)
GRB_DEC:         +14.665d {+14d 39' 53"} (J2000),
                 +14.692d {+14d 41' 32"} (current),
                 +14.558d {+14d 33' 30"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       7553 [cnts]    Image_Peak=812 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   148     E_range: 25-100 keV
BKG_INTEN:       29585 [cnts]
BKG_TIME:        80109.77 SOD {22:15:09.77} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16339 TJD;    47 DOY;   13/02/16
GRB_TIME:        80124.62 SOD {22:15:24.62} UT
GRB_PHI:         -48.09 [deg]
GRB_THETA:        32.59 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     59.94 [sigma]
IMAGE_SIGNIF:    20.84 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +7  -5  +0 +17  +0 
SUN_POSTN:       330.57d {+22h 02m 17s}  -12.02d {-12d 01' 25"}
SUN_DIST:        100.17 [deg]   Sun_angle= -6.5 [hr] (East of Sun)
MOON_POSTN:       45.91d {+03h 03m 37s}  +17.51d {+17d 30' 23"}
MOON_DIST:        21.48 [deg]
MOON_ILLUM:      41 [%]
GAL_COORDS:      181.84,-22.21 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       68.48, -7.14 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 263.72,15.72 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 16 Feb 13 22:32:11 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     548927,   Seg_Num: 0
GRB_RA:           67.898d {+04h 31m 36s} (J2000),
                  68.084d {+04h 32m 20s} (current),
                  67.191d {+04h 28m 46s} (1950)
GRB_DEC:         +14.665d {+14d 39' 53"} (J2000),
                 +14.692d {+14d 41' 32"} (current),
                 +14.558d {+14d 33' 30"} (1950)
GRB_DATE:        16339 TJD;    47 DOY;   13/02/16
GRB_TIME:        80124.62 SOD {22:15:24.62} UT
TRIGGER_INDEX:   148
GRB_PHI:         -48.09 [deg]
GRB_THETA:        32.59 [deg]
DELTA_TIME:      -43.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     59.94 [sigma]
IMAGE_SIGNIF:    20.84 [sigma]
LC_URL:          sw00548927000msb.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:
Sat Feb 16 17:32:43 EST 2013