TDRSS lightcurve for Trigger=741965

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 11 Mar 17 08:09:28 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     741965,   Seg_Num: 0
GRB_RA:          280.563d {+18h 42m 15s} (J2000),
                 280.838d {+18h 43m 21s} (current),
                 279.764d {+18h 39m 03s} (1950)
GRB_DEC:         -30.063d {-30d 03' 45"} (J2000),
                 -30.045d {-30d 02' 41"} (current),
                 -30.112d {-30d 06' 42"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       11244 [cnts]    Image_Peak=278 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       98386 [cnts]
BKG_TIME:        29269.26 SOD {08:07:49.26} UT
BKG_DUR:         40 [sec]
GRB_DATE:        17823 TJD;    70 DOY;   17/03/11
GRB_TIME:        29322.95 SOD {08:08:42.95} UT
GRB_PHI:          42.31 [deg]
GRB_THETA:        26.85 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.67 [sigma]
IMAGE_SIGNIF:    7.33 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  -3  +0  +1 -30  +0 
SUN_POSTN:       351.68d {+23h 26m 43s}   -3.59d {-03d 35' 17"}
SUN_DIST:         71.65 [deg]   Sun_angle= 4.7 [hr] (West of Sun)
MOON_POSTN:      157.42d {+10h 29m 41s}   +9.78d {+09d 46' 53"}
MOON_DIST:       123.70 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:        4.84,-11.39 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      279.20, -6.96 [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 = 347.17,-0.07 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 11 Mar 17 08:28:46 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     741965,   Seg_Num: 0
GRB_RA:          280.563d {+18h 42m 15s} (J2000),
                 280.838d {+18h 43m 21s} (current),
                 279.764d {+18h 39m 03s} (1950)
GRB_DEC:         -30.063d {-30d 03' 45"} (J2000),
                 -30.045d {-30d 02' 41"} (current),
                 -30.112d {-30d 06' 42"} (1950)
GRB_DATE:        17823 TJD;    70 DOY;   17/03/11
GRB_TIME:        29322.95 SOD {08:08:42.95} UT
TRIGGER_INDEX:   298
GRB_PHI:          42.31 [deg]
GRB_THETA:        26.85 [deg]
DELTA_TIME:      71.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.67 [sigma]
IMAGE_SIGNIF:    7.33 [sigma]
LC_URL:          sw00741965000msb.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

Plot creation:
Sat Mar 11 03:36:32 EST 2017