TDRSS lightcurve for Trigger=841548

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 14 Jun 18 19:16:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     841548,   Seg_Num: 0
GRB_RA:            3.157d {+00h 12m 38s} (J2000),
                   3.400d {+00h 13m 36s} (current),
                   2.502d {+00h 10m 00s} (1950)
GRB_DEC:         +46.943d {+46d 56' 34"} (J2000),
                 +47.045d {+47d 02' 43"} (current),
                 +46.665d {+46d 39' 53"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4257 [cnts]    Image_Peak=166 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       27412 [cnts]
BKG_TIME:        69354.89 SOD {19:15:54.89} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18283 TJD;   165 DOY;   18/06/14
GRB_TIME:        69373.64 SOD {19:16:13.64} UT
GRB_PHI:         -26.97 [deg]
GRB_THETA:        15.92 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     11.78 [sigma]
IMAGE_SIGNIF:    6.68 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  -4  +0  +0 -39  +0 
SUN_POSTN:        83.12d {+05h 32m 30s}  +23.29d {+23d 17' 08"}
SUN_DIST:         66.36 [deg]   Sun_angle= 5.3 [hr] (West of Sun)
MOON_POSTN:       97.97d {+06h 31m 53s}  +20.67d {+20d 40' 29"}
MOON_DIST:        78.02 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      116.08,-15.41 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       25.50, 40.95 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 112.09,-2.12 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 14 Jun 18 19:33:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     131086,   Seg_Num: 0
GRB_RA:            3.157d {+00h 12m 38s} (J2000),
                   3.400d {+00h 13m 36s} (current),
                   2.502d {+00h 10m 00s} (1950)
GRB_DEC:         +46.943d {+46d 56' 34"} (J2000),
                 +47.045d {+47d 02' 43"} (current),
                 +46.665d {+46d 39' 53"} (1950)
GRB_DATE:        18283 TJD;   165 DOY;   18/06/14
GRB_TIME:        69373.64 SOD {19:16:13.64} UT
TRIGGER_INDEX:   137
GRB_PHI:         -26.97 [deg]
GRB_THETA:        15.92 [deg]
DELTA_TIME:      4372.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
LC_URL:          sw00841548000msb.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:
Thu Jun 14 15:33:22 EDT 2018