TDRSS lightcurve for Trigger=418178

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 03 Apr 10 20:34:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     418178,   Seg_Num: 0
GRB_RA:           70.285d {+04h 41m 09s} (J2000),
                  70.470d {+04h 41m 53s} (current),
                  69.388d {+04h 37m 33s} (1950)
GRB_DEC:         +44.525d {+44d 31' 30"} (J2000),
                 +44.544d {+44d 32' 39"} (current),
                 +44.429d {+44d 25' 45"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1770 [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:        15289 TJD;    93 DOY;   10/04/03
GRB_TIME:        73994.32 SOD {20:33:14.32} UT
GRB_PHI:          24.19 [deg]
GRB_THETA:        22.95 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.57 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  -2  +0  +1 -44  +0 
SUN_POSTN:        12.87d {+00h 51m 28s}   +5.51d {+05d 30' 46"}
SUN_DIST:         63.42 [deg]   Sun_angle= -3.8 [hr] (East of Sun)
MOON_POSTN:      253.54d {+16h 54m 08s}  -25.26d {-25d 15' 21"}
MOON_DIST:       160.55 [deg]
MOON_ILLUM:      74 [%]
GAL_COORDS:      159.87, -1.25 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       74.95, 22.11 [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 matches a source in the on-board catalog: Num=10697=IGRJ16418-4532,   delta=178.978 [deg].  
COMMENTS:        This matches a source in the ground catalog: LS V +44 17,   delta=0.028 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 281.47,17.70 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 03 Apr 10 20:49:50 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     418178,   Seg_Num: 0
GRB_RA:           70.285d {+04h 41m 09s} (J2000),
                  70.470d {+04h 41m 53s} (current),
                  69.388d {+04h 37m 33s} (1950)
GRB_DEC:         +44.525d {+44d 31' 30"} (J2000),
                 +44.544d {+44d 32' 39"} (current),
                 +44.429d {+44d 25' 45"} (1950)
GRB_DATE:        15289 TJD;    93 DOY;   10/04/03
GRB_TIME:        73994.32 SOD {20:33:14.32} UT
TRIGGER_INDEX:   20000
GRB_PHI:          24.19 [deg]
GRB_THETA:        22.95 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.57 [sigma]
LC_URL:          sw00418178000msb.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 Apr  3 16:50:30 EDT 2010