TDRSS lightcurve for Trigger=1209403

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 17 Jan 24 16:36:09 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1209403,   Seg_Num: 0
GRB_RA:           83.460d {+05h 33m 50s} (J2000),
                  83.823d {+05h 35m 17s} (current),
                  82.706d {+05h 30m 49s} (1950)
GRB_DEC:         +22.287d {+22d 17' 14"} (J2000),
                 +22.302d {+22d 18' 08"} (current),
                 +22.254d {+22d 15' 14"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3896 [image_cnts]
TRIGGER_DUR:     72.000 [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:        20326 TJD;    17 DOY;   24/01/17
GRB_TIME:        59687.25 SOD {16:34:47.25} UT
GRB_PHI:          53.64 [deg]
GRB_THETA:        15.29 [deg]
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    16.58 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +5  +0  +1 +83  +0 
SUN_POSTN:       299.10d {+19h 56m 24s}  -20.74d {-20d 44' 39"}
SUN_DIST:        147.22 [deg]   Sun_angle= -9.6 [hr] (East of Sun)
MOON_POSTN:       19.35d {+01h 17m 24s}   +8.18d {+08d 10' 55"}
MOON_DIST:        63.34 [deg]
MOON_ILLUM:      45 [%]
GAL_COORDS:      184.24, -5.77 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       83.95, -1.01 [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 = 38.00,-14.04 [deg].  
COMMENTS:           
COMMENTS:        This trigger occured while the StarTracker had lost lock, so it is possibly bogus.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 17 Jan 24 16:49:42 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1209403,   Seg_Num: 0
GRB_RA:           83.460d {+05h 33m 50s} (J2000),
                  83.823d {+05h 35m 17s} (current),
                  82.706d {+05h 30m 49s} (1950)
GRB_DEC:         +22.287d {+22d 17' 14"} (J2000),
                 +22.302d {+22d 18' 08"} (current),
                 +22.254d {+22d 15' 14"} (1950)
GRB_DATE:        20326 TJD;    17 DOY;   24/01/17
GRB_TIME:        59687.25 SOD {16:34:47.25} UT
TRIGGER_INDEX:   20000
GRB_PHI:          53.64 [deg]
GRB_THETA:        15.29 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     72.000 [sec] 
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    16.58 [sigma]
LC_URL:          sw01209403000msb.lc

GCN template for BAT paragraph

  • Click here!
    At 16:34:47 UT, the Swift Burst Alert Telescope (BAT) triggered and
    located GRB 240117 ***A*** (trigger=1209403).  Swift slewed immediately to the burst.
    The BAT on-board calculated location is 
    RA, Dec 83.460, +22.287 which is 
       RA(J2000) = 05h 33m 50s
       Dec(J2000) = +22d 17' 14"
    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 ~890 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

    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 background rate 1:     4051.227 near MET 727202160.000000 s
      Estimated background rate 2:     4137.122 near MET 727202264.960000 s
      Estimated total fluence: 0.000000 count
      Created GTI with 2 entries
    ------------------------------------------
     
    

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

    bat_grb_pos_cat.sh 83.460 22.287 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 83.460 22.287
    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: 2024 1 17 16 339.013991  27.375761
     Obj: 2024 1 17 16 195.990386  -27.058463
    
  • the object visibility at GSFC, Greenbelt, Maryland
     
    MMT Observatory, Mt. Hopkins, Arizona
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 308.047297  16.399668
     Obj: 2024 1 17 16 159.341741  -33.174718
    
  • the object visibility at MMT, Mt. Hopkins, Arizona
     
    Hale Telescope, Palomar Mountain, California
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 304.422140  11.345227
     Obj: 2024 1 17 16 153.703679  -29.636748
    
  • the object visibility at Hale Telescope, Palomar Mt., California
     
    Mauna Kea, Hawaii
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 287.221748  -14.493700
     Obj: 2024 1 17 16 121.116782  -15.319044
    
  • the object visibility at Mauna Kea, Hawaii
     
    Siding Spring Obs., Australia
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 330.922026  -32.289815
     Obj: 2024 1 17 16 124.350698  10.464731
    
  • the object visibility at Siding Spring Obs., Australia
     
    Tokyo, Japan
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 213.885230  -74.015485
     Obj: 2024 1 17 16 84.875912  49.166052
    
  • the object visibility at Tokyo, Japan
     
    William Herschel Telescope, La Palma, Canary Islands, Spain
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 41.810384  27.711349
     Obj: 2024 1 17 16 243.075700  -2.090585
    
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
     
    Gemini South, Cerro Pachon, Chile
          TimeUT       Azimuth     Elevation
     Sun: 2024 1 17 16 235.985574  74.177914
     Obj: 2024 1 17 16 287.814469  -69.360174
    
  • the object visibility at Gemini South, Cerro Pachon, Chile
     
     
     
    The data/results are in /local/data/bat1/prebascript/trigger1209403/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:
    Wed Jan 17 11:50:02 EST 2024