TDRSS lightcurve for Trigger=856977
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Tue 28 Aug 18 18:57:55 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 856977, Seg_Num: 0
GRB_RA: 268.700d {+17h 54m 48s} (J2000),
268.989d {+17h 55m 57s} (current),
267.925d {+17h 51m 42s} (1950)
GRB_DEC: -25.800d {-25d 47' 58"} (J2000),
-25.802d {-25d 48' 05"} (current),
-25.792d {-25d 47' 28"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 15281 [cnts] Image_Peak=758 [image_cnts]
TRIGGER_DUR: 1.024 [sec]
TRIGGER_INDEX: 155 E_range: 50-350 keV
BKG_INTEN: 36379 [cnts]
BKG_TIME: 68242.49 SOD {18:57:22.49} UT
BKG_DUR: 8 [sec]
GRB_DATE: 18358 TJD; 240 DOY; 18/08/28
GRB_TIME: 68254.78 SOD {18:57:34.78} UT
GRB_PHI: -7.39 [deg]
GRB_THETA: 53.36 [deg]
SOLN_STATUS: 0x20000103
RATE_SIGNIF: 120.68 [sigma]
IMAGE_SIGNIF: 16.50 [sigma]
MERIT_PARAMS: +1 +0 +0 +0 +3 +5 +0 +1 +39 +0
SUN_POSTN: 157.24d {+10h 28m 56s} +9.52d {+09d 31' 18"}
SUN_DIST: 113.65 [deg] Sun_angle= -7.5 [hr] (East of Sun)
MOON_POSTN: 2.97d {+00h 11m 54s} -3.38d {-03d 22' 31"}
MOON_DIST: 92.11 [deg]
MOON_ILLUM: 95 [%]
GAL_COORDS: 3.74, -0.14 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 268.83, -2.37 [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 matches a source in the ground catalog: SwJ1753.7-2544, delta=0.251 [deg].
COMMENTS: This is not a GRB.
COMMENTS: This trigger occurred at longitude,latitude = 75.77,8.24 [deg].
COMMENTS:
COMMENTS: NOTE: This BAT event is temporally(8.0<100sec) coincident with the FERMI_GBM event (trignum=557175451).
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Tue 28 Aug 18 19:10:37 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 856977, Seg_Num: 0
GRB_RA: 268.700d {+17h 54m 48s} (J2000),
268.989d {+17h 55m 57s} (current),
267.925d {+17h 51m 42s} (1950)
GRB_DEC: -25.800d {-25d 47' 58"} (J2000),
-25.802d {-25d 48' 05"} (current),
-25.792d {-25d 47' 28"} (1950)
GRB_DATE: 18358 TJD; 240 DOY; 18/08/28
GRB_TIME: 68254.78 SOD {18:57:34.78} UT
TRIGGER_INDEX: 155
GRB_PHI: -7.39 [deg]
GRB_THETA: 53.36 [deg]
DELTA_TIME: 51.00 [sec]
TRIGGER_DUR: 1.024 [sec]
SOLN_STATUS: 0x103
RATE_SIGNIF: 120.68 [sigma]
IMAGE_SIGNIF: 16.50 [sigma]
LC_URL: sw00856977000msb.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:
Tue Aug 28 15:11:03 EDT 2018