TDRSS lightcurve for Trigger=894268

Notes:

GCN BAT Position Notice


GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 22 Mar 19 11:20:26 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     894268,   Seg_Num: 0
GRB_RA:          314.656d {+20h 58m 37s} (J2000),
                 314.834d {+20h 59m 20s} (current),
                 314.193d {+20h 56m 46s} (1950)
GRB_DEC:         +41.785d {+41d 47' 05"} (J2000),
                 +41.860d {+41d 51' 36"} (current),
                 +41.590d {+41d 35' 24"} (1950)
GRB_DATE:        18564 TJD;    81 DOY;   19/03/22
GRB_TIME:        39385.38 SOD {10:56:25.38} UT
TRIGGER_INDEX:   20000
GRB_PHI:          57.25 [deg]
GRB_THETA:        13.46 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     

GCN template for BAT paragraph

  • Click here!
    At 10:56:25 UT, the Swift Burst Alert Telescope (BAT) triggered and
    located GRB 190322 ***A*** (trigger=894268).  Swift slewed immediately to the burst.
    The BAT on-board calculated location is 
    RA, Dec 314.656, +41.785 which is 
       RA(J2000) = 20h 58m 37s
       Dec(J2000) = +41d 47' 05"
    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 ~0 counts/sec (15-350 keV), at ~ 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

    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)
    ------------------------------------------
     
    

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

    bat_grb_pos_cat.sh 314.656 41.785 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 314.656 41.785
    GRO J2058+42 33658 314.75 41.72 0.09564292668710976
    

    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: 2019 3 22 11 266.924231  -2.854325
     Obj: 2019 3 22 11 249.799453  54.138089
    
  • the object visibility at GSFC, Greenbelt, Maryland
     
    MMT Observatory, Mt. Hopkins, Arizona
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 247.031874  -31.343269
     Obj: 2019 3 22 11 235.287770  26.306472
    
  • the object visibility at MMT, Mt. Hopkins, Arizona
     
    Hale Telescope, Palomar Mountain, California
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 241.391664  -35.162087
     Obj: 2019 3 22 11 234.042574  23.151229
    
  • the object visibility at Hale Telescope, Palomar Mt., California
     
    Mauna Kea, Hawaii
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 200.108783  -68.351547
     Obj: 2019 3 22 11 217.755904  -10.793058
    
  • the object visibility at Mauna Kea, Hawaii
     
    Siding Spring Obs., Australia
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 65.655790  -35.158201
     Obj: 2019 3 22 11 173.553014  -79.355819
    
  • the object visibility at Siding Spring Obs., Australia
     
    Tokyo, Japan
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 105.415428  -20.236745
     Obj: 2019 3 22 11 166.236113  -11.963020
    
  • the object visibility at Tokyo, Japan
     
    William Herschel Telescope, La Palma, Canary Islands, Spain
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 303.722522  46.207928
     Obj: 2019 3 22 11 147.697329  73.924029
    
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
     
    Gemini South, Cerro Pachon, Chile
          TimeUT       Azimuth     Elevation
     Sun: 2019 3 22 11 268.573924  1.185175
     Obj: 2019 3 22 11 210.005941  8.202102
    
  • the object visibility at Gemini South, Cerro Pachon, Chile
     
     
     
    The data/results are in /local/data/bat1/prebascript/trigger894268/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 Mar 22 07:20:43 EDT 2019