TDRSS lightcurve for Trigger=834937

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 31 May 18 04:03:26 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     834937,   Seg_Num: 0
GRB_RA:          210.508d {+14h 02m 02s} (J2000),
                 210.732d {+14h 02m 56s} (current),
                 209.897d {+13h 59m 35s} (1950)
GRB_DEC:         +11.985d {+11d 59' 07"} (J2000),
                 +11.897d {+11d 53' 49"} (current),
                 +12.226d {+12d 13' 33"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1100 [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:        18269 TJD;   151 DOY;   18/05/31
GRB_TIME:        14530.97 SOD {04:02:10.97} UT
GRB_PHI:         -85.61 [deg]
GRB_THETA:        12.63 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.12 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +0 +64  +0 
SUN_POSTN:        68.02d {+04h 32m 06s}  +21.90d {+21d 53' 59"}
SUN_DIST:        130.20 [deg]   Sun_angle= -9.5 [hr] (East of Sun)
MOON_POSTN:      267.02d {+17h 48m 05s}  -20.22d {-20d 13' 07"}
MOON_DIST:        64.00 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:      353.92, 67.56 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      203.87, 22.83 [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 = 233.34,-12.96 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 31 May 18 04:18:58 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     834937,   Seg_Num: 0
GRB_RA:          210.508d {+14h 02m 02s} (J2000),
                 210.732d {+14h 02m 56s} (current),
                 209.897d {+13h 59m 35s} (1950)
GRB_DEC:         +11.985d {+11d 59' 07"} (J2000),
                 +11.897d {+11d 53' 49"} (current),
                 +12.226d {+12d 13' 33"} (1950)
GRB_DATE:        18269 TJD;   151 DOY;   18/05/31
GRB_TIME:        14530.97 SOD {04:02:10.97} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -85.61 [deg]
GRB_THETA:        12.63 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.12 [sigma]
LC_URL:          sw00834937000msb.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:
Thu May 31 00:19:22 EDT 2018