TDRSS lightcurve for Trigger=202505

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 23 Mar 06 14:33:14 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     202505,   Seg_Num: 0
GRB_RA:          174.409d {+11h 37m 38s} (J2000),
                 174.492d {+11h 37m 58s} (current),
                 173.734d {+11h 34m 56s} (1950)
GRB_DEC:         +49.975d {+49d 58' 30"} (J2000),
                 +49.940d {+49d 56' 25"} (current),
                 +50.252d {+50d 15' 07"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       16724 [cnts]    Image_Peak=475 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       143471 [cnts]
BKG_TIME:        52302.91 SOD {14:31:42.91} UT
BKG_DUR:         40 [sec]
GRB_DATE:        13817 TJD;    82 DOY;   06/03/23
GRB_TIME:        52356.03 SOD {14:32:36.03} UT
GRB_PHI:         118.98 [deg]
GRB_THETA:        18.43 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.04 [sigma]
IMAGE_SIGNIF:    9.72 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  +1  +0  +0 +62  +1 
SUN_POSTN:         2.59d {+00h 10m 22s}   +1.12d {+01d 07' 20"}
SUN_DIST:        128.47 [deg]   Sun_angle= -11.5 [hr] (East of Sun)
MOON_POSTN:      284.77d {+18h 59m 05s}  -27.99d {-27d 59' 26"}
MOON_DIST:       123.79 [deg]
MOON_ILLUM:      41 [%]
GAL_COORDS:      149.71, 63.14 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      150.50, 42.66 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 30 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 = 157.26,6.59 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 23 Mar 06 14:49:12 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     202505,   Seg_Num: 0
GRB_RA:          174.409d {+11h 37m 38s} (J2000),
                 174.492d {+11h 37m 58s} (current),
                 173.734d {+11h 34m 56s} (1950)
GRB_DEC:         +49.975d {+49d 58' 30"} (J2000),
                 +49.940d {+49d 56' 25"} (current),
                 +50.252d {+50d 15' 07"} (1950)
GRB_DATE:        13817 TJD;    82 DOY;   06/03/23
GRB_TIME:        52356.03 SOD {14:32:36.03} UT
TRIGGER_INDEX:   298
GRB_PHI:         118.98 [deg]
GRB_THETA:        18.43 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.04 [sigma]
IMAGE_SIGNIF:    9.72 [sigma]
LC_URL:          sw00202505000msb.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 Mar 23 15:51:04 EST 2006