TDRSS lightcurve for Trigger=306830

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Mar 08 23:02:48 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     306830,   Seg_Num: 0
GRB_RA:          252.019d {+16h 48m 05s} (J2000),
                 252.168d {+16h 48m 40s} (current),
                 251.113d {+16h 44m 27s} (1950)
GRB_DEC:         -45.204d {-45d 12' 14"} (J2000),
                 -45.218d {-45d 13' 05"} (current),
                 -45.116d {-45d 06' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=9403 [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:        14544 TJD;    79 DOY;   08/03/19
GRB_TIME:        82797.34 SOD {22:59:57.34} UT
GRB_PHI:         -21.22 [deg]
GRB_THETA:         0.03 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    21.64 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +7  +0  +1 +21  +1 
SUN_POSTN:       359.74d {+23h 58m 57s}   -0.11d {-00d 06' 49"}
SUN_DIST:        102.19 [deg]   Sun_angle= 7.2 [hr] (West of Sun)
MOON_POSTN:      159.58d {+10h 38m 19s}   +7.44d {+07d 26' 38"}
MOON_DIST:        97.10 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:      340.16, -0.12 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      256.37,-22.61 [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=26829=(null),   delta=0.276 [deg].  
COMMENTS:        This matches a source in the ground catalog: IGR16465-4507,   delta=0.276 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Mar 08 23:16:38 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     306830,   Seg_Num: 0
GRB_RA:          252.019d {+16h 48m 05s} (J2000),
                 252.168d {+16h 48m 40s} (current),
                 251.113d {+16h 44m 27s} (1950)
GRB_DEC:         -45.204d {-45d 12' 14"} (J2000),
                 -45.218d {-45d 13' 05"} (current),
                 -45.116d {-45d 06' 58"} (1950)
GRB_DATE:        14544 TJD;    79 DOY;   08/03/19
GRB_TIME:        82797.34 SOD {22:59:57.34} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -21.22 [deg]
GRB_THETA:         0.03 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    21.64 [sigma]
LC_URL:          sw00306830000msb.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

Plot creation:
Wed Mar 19 19:17:10 EDT 2008