TDRSS lightcurve for Trigger=277571

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 29 Apr 07 01:36:40 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     277571,   Seg_Num: 0
GRB_RA:          297.687d {+19h 50m 45s} (J2000),
                 297.804d {+19h 51m 13s} (current),
                 296.889d {+19h 47m 33s} (1950)
GRB_DEC:         -32.388d {-32d 23' 16"} (J2000),
                 -32.369d {-32d 22' 07"} (current),
                 -32.516d {-32d 30' 55"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3014 [image_cnts]
TRIGGER_DUR:     80.000 [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:        14219 TJD;   119 DOY;   07/04/29
GRB_TIME:        5710.07 SOD {01:35:10.07} UT
GRB_PHI:         -134.78 [deg]
GRB_THETA:        28.22 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    12.08 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +1  +0  +0 +24  +1 
SUN_POSTN:        36.00d {+02h 24m 01s}  +14.30d {+14d 17' 51"}
SUN_DIST:        104.42 [deg]   Sun_angle= 6.5 [hr] (West of Sun)
MOON_POSTN:      181.09d {+12h 04m 21s}   -2.05d {-02d 03' 16"}
MOON_DIST:       111.12 [deg]
MOON_ILLUM:      90 [%]
GAL_COORDS:        8.07,-25.89 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      293.58,-11.19 [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 = 23.68,19.82 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 29 Apr 07 01:39:21 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     277571,   Seg_Num: 0
GRB_RA:          297.687d {+19h 50m 45s} (J2000),
                 297.804d {+19h 51m 13s} (current),
                 296.889d {+19h 47m 33s} (1950)
GRB_DEC:         -32.388d {-32d 23' 16"} (J2000),
                 -32.369d {-32d 22' 07"} (current),
                 -32.516d {-32d 30' 55"} (1950)
GRB_DATE:        14219 TJD;   119 DOY;   07/04/29
GRB_TIME:        5710.07 SOD {01:35:10.07} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -134.78 [deg]
GRB_THETA:        28.22 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     80.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    12.08 [sigma]
LC_URL:          sw00277571000msb.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:
Wed May 16 16:39:23 EDT 2007