TDRSS lightcurve for Trigger=505801

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 18 Oct 11 17:27:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     505801,   Seg_Num: 0
GRB_RA:          271.500d {+18h 06m 00s} (J2000),
                 271.656d {+18h 06m 37s} (current),
                 270.841d {+18h 03m 22s} (1950)
GRB_DEC:          -3.871d {-03d 52' 16"} (J2000),
                  -3.869d {-03d 52' 09"} (current),
                  -3.877d {-03d 52' 36"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1501 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
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:        15852 TJD;   291 DOY;   11/10/18
GRB_TIME:        62784.51 SOD {17:26:24.51} UT
GRB_PHI:         -88.69 [deg]
GRB_THETA:        16.90 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.53 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2  +0  +1 -37  +0 
SUN_POSTN:       203.15d {+13h 32m 36s}   -9.67d {-09d 40' 15"}
SUN_DIST:         68.18 [deg]   Sun_angle= -4.6 [hr] (East of Sun)
MOON_POSTN:       98.78d {+06h 35m 08s}  +21.11d {+21d 06' 35"}
MOON_DIST:       161.42 [deg]
MOON_ILLUM:      64 [%]
GAL_COORDS:       24.23,  8.29 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      271.59, 19.56 [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 = 326.14,6.92 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 18 Oct 11 17:55:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     505801,   Seg_Num: 0
GRB_RA:          271.500d {+18h 06m 00s} (J2000),
                 271.656d {+18h 06m 37s} (current),
                 270.841d {+18h 03m 22s} (1950)
GRB_DEC:          -3.871d {-03d 52' 16"} (J2000),
                  -3.869d {-03d 52' 09"} (current),
                  -3.877d {-03d 52' 36"} (1950)
GRB_DATE:        15852 TJD;   291 DOY;   11/10/18
GRB_TIME:        62784.51 SOD {17:26:24.51} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -88.69 [deg]
GRB_THETA:        16.90 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.53 [sigma]
LC_URL:          sw00505801000msb.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:
Tue Oct 18 13:56:23 EDT 2011