TDRSS lightcurve for Trigger=766194
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 04 Aug 17 12:02:40 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 766194, Seg_Num: 0
GRB_RA: 6.433d {+00h 25m 44s} (J2000),
6.635d {+00h 26m 32s} (current),
5.856d {+00h 23m 25s} (1950)
GRB_DEC: -64.748d {-64d 44' 52"} (J2000),
-64.651d {-64d 39' 02"} (current),
-65.025d {-65d 01' 29"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 38571 [cnts] Image_Peak=681 [image_cnts]
TRIGGER_DUR: 12.160 [sec]
TRIGGER_INDEX: 478 E_range: 25-100 keV
BKG_INTEN: 184731 [cnts]
BKG_TIME: 43204.52 SOD {12:00:04.52} UT
BKG_DUR: 64 [sec]
GRB_DATE: 17969 TJD; 216 DOY; 17/08/04
GRB_TIME: 43297.38 SOD {12:01:37.38} UT
GRB_PHI: -24.62 [deg]
GRB_THETA: 32.38 [deg]
SOLN_STATUS: 0x3
RATE_SIGNIF: 10.00 [sigma]
IMAGE_SIGNIF: 8.82 [sigma]
MERIT_PARAMS: +1 +0 +0 +4 +2 -1 +0 +0 +52 +0
SUN_POSTN: 134.77d {+08h 59m 05s} +17.11d {+17d 06' 23"}
SUN_DIST: 121.23 [deg] Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN: 276.09d {+18h 24m 23s} -19.32d {-19d 18' 56"}
MOON_DIST: 72.84 [deg]
MOON_ILLUM: 90 [%]
GAL_COORDS: 307.40,-52.16 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 323.31,-58.08 [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 = 193.95,3.24 [deg].
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 04 Aug 17 12:19:08 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 766194, Seg_Num: 0
GRB_RA: 6.433d {+00h 25m 44s} (J2000),
6.635d {+00h 26m 32s} (current),
5.856d {+00h 23m 25s} (1950)
GRB_DEC: -64.748d {-64d 44' 52"} (J2000),
-64.651d {-64d 39' 02"} (current),
-65.025d {-65d 01' 29"} (1950)
GRB_DATE: 17969 TJD; 216 DOY; 17/08/04
GRB_TIME: 43297.38 SOD {12:01:37.38} UT
TRIGGER_INDEX: 478
GRB_PHI: -24.62 [deg]
GRB_THETA: 32.38 [deg]
DELTA_TIME: -5.00 [sec]
TRIGGER_DUR: 12.160 [sec]
SOLN_STATUS: 0x3
RATE_SIGNIF: 10.00 [sigma]
IMAGE_SIGNIF: 8.82 [sigma]
LC_URL: sw00766194000msb.lc
GCN template for BAT paragraph
Click here!
At 12:01:37 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 170804 ***A*** (trigger=766194). Swift slewed immediately to the burst.
The BAT on-board calculated location is
RA, Dec 6.433, -64.748 which is
RA(J2000) = 00h 25m 44s
Dec(J2000) = -64d 44' 52"
with an uncertainty of 3 arcmin (radius, 90% containment, including
systematic uncertainty). The BAT light curve showed a [**double-peaked**]
structure with a duration of about TTT sec. The peak count rate
was ~1671 counts/sec (15-350 keV), at ~4 sec after the trigger.
Test version of draft template
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
Tilan's background subtracted TDRSS light curves
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
TDRSS extended lightcurve from T0-1 to T0+2
T50 and T90 calculation
******************************************
battblocks v1.18
------------------------------------------
Input Data: bat_raw_lc.fits
Output GTI: bb.gti
Events to Skip: 128 Changepoint log(prob) Prior: 6.000000
Internal Tick: 1.000000e-04 s
Lookback time: 0 s
Bkg. Subtract?: yes (for fluence/T50/T90 calculations)
------------------------------------------
Estimated T90 duration: 31.36 s +/- 0.729712 s
Estimated T50 duration: 17.664 s +/- 1.14487 s
Estimated Peak Interval: MET 523540942.46399999 +/- 0.500000 s
Estimated background rate 1: 5756.884 near MET 523540905.728000 s
Estimated background rate 2: 5768.555 near MET 523541027.968000 s
Estimated total duration: 34.56 s (for data selection)
(from MET 523540918.656000 to MET 523540953.216000)
Estimated total fluence: 14598.665883 count
Created GTI with 4 entries
------------------------------------------
Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)
bat_grb_pos_cat.sh 6.433 -64.748 0.083
No match
Link to SIMBAD
Click here for the SIMBAD search!
Frank's UVOT result
Click here!
Frank's UVOT Blinking images
Click here!
Elevation angle of GRB/Sun at the ground telescope locations
GSFC, Greenbelt, Maryland
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 263.135584 19.118848
Obj: 2017 8 4 12 20.265131 -20.614197
the object visibility at GSFC, Greenbelt, Maryland
MMT Observatory, Mt. Hopkins, Arizona
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 243.145288 -9.358071
Obj: 2017 8 4 12 6.508929 -7.111778
the object visibility at MMT, Mt. Hopkins, Arizona
Hale Telescope, Palomar Mountain, California
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 239.159891 -12.974499
Obj: 2017 8 4 12 3.987841 -8.309084
the object visibility at Hale Telescope, Palomar Mt., California
Mauna Kea, Hawaii
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 212.410080 -46.969303
Obj: 2017 8 4 12 347.874509 2.507858
the object visibility at Mauna Kea, Hawaii
Siding Spring Obs., Australia
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 72.390536 -56.963282
Obj: 2017 8 4 12 330.453645 30.125225
the object visibility at Siding Spring Obs., Australia
Tokyo, Japan
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 129.180783 -20.223859
Obj: 2017 8 4 12 328.974273 -35.524690
the object visibility at Tokyo, Japan
William Herschel Telescope, La Palma, Canary Islands, Spain
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 298.178232 68.323366
Obj: 2017 8 4 12 29.191406 -33.545694
the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
Gemini South, Cerro Pachon, Chile
TimeUT Azimuth Elevation
Sun: 2017 8 4 12 246.625914 5.270184
Obj: 2017 8 4 12 28.155484 41.861093
the object visibility at Gemini South, Cerro Pachon, Chile
The data/results are in /local/data/bat1/prebascript/trigger766194/tdrss_ql/
bat_raw_lc.fits : TDRSS FITS light curve from GCN
gcn_position.txt : GCN BAT position notice
ratelc_tdrss.qdp : QDP file of the TDRSS light curve
tdrss_lc.gif : GIF TDRSS light curve
sc_att.qdp : QDP file of the spacecraft attitude
sc_att.gif : GIF spacecraft attitude
bb.gti : Bayesian block GTI file (battblocks)
dur.gti : Duration GTI file (battblocks)
battblocks.log : Output log of battblocks
Plot creation:
Fri Aug 4 08:19:22 EDT 2017