TDRSS lightcurve for Trigger=1003002

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 29 Oct 20 20:21:05 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1003002,   Seg_Num: 0
GRB_RA:          229.601d {+15h 18m 24s} (J2000),
                 229.781d {+15h 19m 07s} (current),
                 229.169d {+15h 16m 40s} (1950)
GRB_DEC:         +44.464d {+44d 27' 50"} (J2000),
                 +44.389d {+44d 23' 20"} (current),
                 +44.645d {+44d 38' 42"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3749 [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:        19151 TJD;   303 DOY;   20/10/29
GRB_TIME:        73190.10 SOD {20:19:50.10} UT
GRB_PHI:         124.75 [deg]
GRB_THETA:        10.32 [deg]
SOLN_STATUS:     0x20000013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.03 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +4  +0  +0 -50  +0 
SUN_POSTN:       214.54d {+14h 18m 09s}  -13.81d {-13d 48' 28"}
SUN_DIST:         59.83 [deg]   Sun_angle= -1.0 [hr] (East of Sun)
MOON_POSTN:       18.09d {+01h 12m 21s}   +2.71d {+02d 42' 52"}
MOON_DIST:       125.05 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:       73.27, 55.93 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      205.44, 59.19 [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 = 204.65,9.02 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(1.0<100sec) coincident with the FERMI_GBM event (trignum=625695596).

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 29 Oct 20 20:49:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1003002,   Seg_Num: 0
GRB_RA:          229.601d {+15h 18m 24s} (J2000),
                 229.781d {+15h 19m 07s} (current),
                 229.169d {+15h 16m 40s} (1950)
GRB_DEC:         +44.464d {+44d 27' 50"} (J2000),
                 +44.389d {+44d 23' 20"} (current),
                 +44.645d {+44d 38' 42"} (1950)
GRB_DATE:        19151 TJD;   303 DOY;   20/10/29
GRB_TIME:        73190.10 SOD {20:19:50.10} UT
TRIGGER_INDEX:   20000
GRB_PHI:         124.75 [deg]
GRB_THETA:        10.32 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.03 [sigma]
LC_URL:          sw01003002000msb.lc

GCN template for BAT paragraph

  • Click here! 
    At 20:19:50 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 201029 ***A*** (trigger=1003002).  Swift slewed immediately to the burst.
The BAT on-board calculated location is 
RA, Dec 229.601, +44.464 which is 
   RA(J2000) = 15h 18m 24s
   Dec(J2000) = +44d 27' 50"
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 ~1786 counts/sec (15-350 keV), at ~5 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: 119.936 s +/- 2.89772 s
  Estimated T50 duration: 41.216 s +/- 4.12788 s
  Estimated Peak Interval: MET   625695656.51199996 +/- 0.500000 s
  Estimated background rate 1:     5662.311 near MET 625695602.560000 s
  Estimated background rate 2:     5719.055 near MET 625695777.344000 s
  Estimated total duration: 139.648 s (for data selection)
       (from MET 625695613.120000 to MET 625695752.768000)
  Estimated total fluence: 41951.947873 count
  Created GTI with 7 entries
------------------------------------------

    Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)

    bat_grb_pos_cat.sh 229.601 44.464 0.083
No match

    Search for this GRB position to the source locations in BAT transient monitor (search radius within 12 arcmin)

    python compare_catalog.py 229.601 44.464
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: 2020 10 29 20 49.454177  21.512993
 Obj: 2020 10 29 20 113.216355  66.049381
  • the object visibility at GSFC, Greenbelt, Maryland 
     
MMT Observatory, Mt. Hopkins, Arizona
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 16.949785  42.872541
 Obj: 2020 10 29 20 188.210612  77.133375
  • the object visibility at MMT, Mt. Hopkins, Arizona 
     
Hale Telescope, Palomar Mountain, California
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 8.853523  42.374925
 Obj: 2020 10 29 20 208.438981  77.127747
  • the object visibility at Hale Telescope, Palomar Mt., California 
     
Mauna Kea, Hawaii
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 314.521643  43.976146
 Obj: 2020 10 29 20 226.728959  43.974768
  • the object visibility at Mauna Kea, Hawaii 
     
Siding Spring Obs., Australia
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 280.549291  9.310412
 Obj: 2020 10 29 20 233.457222  -29.799234
  • the object visibility at Siding Spring Obs., Australia 
     
Tokyo, Japan
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 273.920020  -19.194177
 Obj: 2020 10 29 20 218.853594  6.132174
  • the object visibility at Tokyo, Japan 
     
William Herschel Telescope, La Palma, Canary Islands, Spain
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 84.935557  -20.232691
 Obj: 2020 10 29 20 130.761784  19.329260
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain 
     
Gemini South, Cerro Pachon, Chile
      TimeUT       Azimuth     Elevation
 Sun: 2020 10 29 20 96.788444  38.990465
 Obj: 2020 10 29 20 154.044451  7.836510
  • the object visibility at Gemini South, Cerro Pachon, Chile 
     
 
 
The data/results are in /local/data/bat1/prebascript/trigger1003002/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:
Thu Oct 29 16:50:23 EDT 2020