TDRSS lightcurve for Trigger=506961

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Nov 11 03:11:16 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     506961,   Seg_Num: 0
GRB_RA:          272.114d {+18h 08m 27s} (J2000),
                 272.316d {+18h 09m 16s} (current),
                 271.264d {+18h 05m 03s} (1950)
GRB_DEC:         -36.991d {-36d 59' 26"} (J2000),
                 -36.988d {-36d 59' 17"} (current),
                 -36.999d {-36d 59' 55"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=7717 [image_cnts]
TRIGGER_DUR:     896.000 [sec]   (=14.9 [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:        15869 TJD;   308 DOY;   11/11/04
GRB_TIME:        10512.46 SOD {02:55:12.46} UT
GRB_PHI:         -154.65 [deg]
GRB_THETA:        18.68 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.43 [sigma]
MERIT_PARAMS:     +0  +0 +95  +7  +1  -2  +0  +1 -61  +0 
SUN_POSTN:       218.91d {+14h 35m 39s}  -15.23d {-15d 13' 59"}
SUN_DIST:         51.86 [deg]   Sun_angle= -3.6 [hr] (East of Sun)
MOON_POSTN:      328.45d {+21h 53m 49s}   -7.46d {-07d 27' 51"}
MOON_DIST:        58.70 [deg]
MOON_ILLUM:      64 [%]
GAL_COORDS:      355.37, -8.15 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      271.74,-13.56 [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=10341=SAX1808.4-3658,   delta=0.012 [deg].  
COMMENTS:        This matches a source in the ground catalog: SAX1808.4-3658,   delta=0.012 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 267.86,6.46 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Nov 11 03:19:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     506961,   Seg_Num: 0
GRB_RA:          272.114d {+18h 08m 27s} (J2000),
                 272.316d {+18h 09m 16s} (current),
                 271.264d {+18h 05m 03s} (1950)
GRB_DEC:         -36.991d {-36d 59' 26"} (J2000),
                 -36.988d {-36d 59' 17"} (current),
                 -36.999d {-36d 59' 55"} (1950)
GRB_DATE:        15869 TJD;   308 DOY;   11/11/04
GRB_TIME:        10512.46 SOD {02:55:12.46} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -154.65 [deg]
GRB_THETA:        18.68 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     896.000 [sec]   (=14.9 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.43 [sigma]
LC_URL:          sw00506961000msb.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:
Thu Nov  3 23:20:08 EDT 2011