TDRSS lightcurve for Trigger=273180

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 30 Mar 07 22:51:45 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     273180,   Seg_Num: 0
GRB_RA:          269.519d {+17h 58m 05s} (J2000),
                 269.694d {+17h 58m 47s} (current),
                 268.314d {+17h 53m 15s} (1950)
GRB_DEC:         -63.779d {-63d 46' 44"} (J2000),
                 -63.779d {-63d 46' 45"} (current),
                 -63.774d {-63d 46' 25"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6956 [cnts]    Image_Peak=308 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       46502 [cnts]
BKG_TIME:        82278.14 SOD {22:51:18.14} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14189 TJD;    89 DOY;   07/03/30
GRB_TIME:        82291.19 SOD {22:51:31.19} UT
GRB_PHI:         -68.89 [deg]
GRB_THETA:        18.57 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.20 [sigma]
IMAGE_SIGNIF:    10.25 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  +2  +0  +0 +13  +1 
SUN_POSTN:         9.06d {+00h 36m 14s}   +3.90d {+03d 54' 12"}
SUN_DIST:         97.63 [deg]   Sun_angle= 6.6 [hr] (West of Sun)
MOON_POSTN:      161.38d {+10h 45m 31s}   +8.51d {+08d 30' 19"}
MOON_DIST:       105.66 [deg]
MOON_ILLUM:      93 [%]
GAL_COORDS:      329.90,-18.56 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      269.72,-40.34 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
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 = 132.25,-17.15 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 30 Mar 07 23:08:08 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     273180,   Seg_Num: 0
GRB_RA:          269.519d {+17h 58m 05s} (J2000),
                 269.694d {+17h 58m 47s} (current),
                 268.314d {+17h 53m 15s} (1950)
GRB_DEC:         -63.779d {-63d 46' 44"} (J2000),
                 -63.779d {-63d 46' 45"} (current),
                 -63.774d {-63d 46' 25"} (1950)
GRB_DATE:        14189 TJD;    89 DOY;   07/03/30
GRB_TIME:        82291.19 SOD {22:51:31.19} UT
TRIGGER_INDEX:   137
GRB_PHI:         -68.89 [deg]
GRB_THETA:        18.57 [deg]
DELTA_TIME:      -25.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.20 [sigma]
IMAGE_SIGNIF:    10.25 [sigma]
LC_URL:          sw00273180000msb.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:
Fri Mar 30 19:08:26 EDT 2007