TDRSS lightcurve for Trigger=512549

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Jan 12 08:54:12 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     512549,   Seg_Num: 0
GRB_RA:          255.975d {+17h 03m 54s} (J2000),
                 256.180d {+17h 04m 43s} (current),
                 255.125d {+17h 00m 30s} (1950)
GRB_DEC:         -37.838d {-37d 50' 17"} (J2000),
                 -37.855d {-37d 51' 15"} (current),
                 -37.769d {-37d 46' 07"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=44112 [image_cnts]
TRIGGER_DUR:     704.000 [sec]   (=11.7 [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:        15953 TJD;    27 DOY;   12/01/27
GRB_TIME:        31272.17 SOD {08:41:12.17} UT
GRB_PHI:          96.00 [deg]
GRB_THETA:         1.94 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    25.45 [sigma]
MERIT_PARAMS:     +0  +0 +124  +7  +1  +9  +0  +1 -64  +0 
SUN_POSTN:       309.21d {+20h 36m 50s}  -18.57d {-18d 34' 05"}
SUN_DIST:         49.79 [deg]   Sun_angle= 3.5 [hr] (West of Sun)
MOON_POSTN:      353.59d {+23h 34m 21s}   +2.63d {+02d 37' 55"}
MOON_DIST:        97.46 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      347.75,  2.18 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      258.57,-14.95 [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 an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=10725=1RXS170849-4009,   delta=2.498 [deg].  
COMMENTS:        This matches a source in the ground catalog: 4U_1700-377,   delta=0.007 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 56.59,-5.73 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Jan 12 09:04:16 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     512549,   Seg_Num: 0
GRB_RA:          255.975d {+17h 03m 54s} (J2000),
                 256.180d {+17h 04m 43s} (current),
                 255.125d {+17h 00m 30s} (1950)
GRB_DEC:         -37.838d {-37d 50' 17"} (J2000),
                 -37.855d {-37d 51' 15"} (current),
                 -37.769d {-37d 46' 07"} (1950)
GRB_DATE:        15953 TJD;    27 DOY;   12/01/27
GRB_TIME:        31272.17 SOD {08:41:12.17} UT
TRIGGER_INDEX:   20000
GRB_PHI:          96.00 [deg]
GRB_THETA:         1.94 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     704.000 [sec]   (=11.7 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    25.45 [sigma]
LC_URL:          sw00512549000msb.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 Jan 27 04:05:43 EST 2012