TDRSS lightcurve for Trigger=1273106

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Dec 24 11:00:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1273106,   Seg_Num: 0
GRB_RA:          190.111d {+12h 40m 27s} (J2000),
                 190.432d {+12h 41m 44s} (current),
                 189.468d {+12h 37m 52s} (1950)
GRB_DEC:          -2.879d {-02d 52' 42"} (J2000),
                  -3.015d {-03d 00' 54"} (current),
                  -2.604d {-02d 36' 14"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4380 [cnts]    Image_Peak=337 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       21226 [cnts]
BKG_TIME:        39573.31 SOD {10:59:33.31} UT
BKG_DUR:         8 [sec]
GRB_DATE:        20653 TJD;   344 DOY;   24/12/09
GRB_TIME:        39586.43 SOD {10:59:46.43} UT
GRB_PHI:          37.45 [deg]
GRB_THETA:        26.87 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     29.98 [sigma]
IMAGE_SIGNIF:    12.99 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +2  +0  +0 -38  +0 
SUN_POSTN:       256.81d {+17h 07m 15s}  -22.88d {-22d 52' 53"}
SUN_DIST:         67.10 [deg]   Sun_angle= 4.4 [hr] (West of Sun)
MOON_POSTN:      358.84d {+23h 55m 22s}   -0.87d {-00d 51' 59"}
MOON_DIST:       167.78 [deg]
MOON_ILLUM:      59 [%]
GAL_COORDS:      297.46, 59.88 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.42,  1.36 [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 = 10.34,-19.88 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=755434789).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Dec 24 11:16:50 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1273106,   Seg_Num: 0
GRB_RA:          190.111d {+12h 40m 27s} (J2000),
                 190.432d {+12h 41m 44s} (current),
                 189.468d {+12h 37m 52s} (1950)
GRB_DEC:          -2.879d {-02d 52' 42"} (J2000),
                  -3.015d {-03d 00' 54"} (current),
                  -2.604d {-02d 36' 14"} (1950)
GRB_DATE:        20653 TJD;   344 DOY;   24/12/09
GRB_TIME:        39586.43 SOD {10:59:46.43} UT
TRIGGER_INDEX:   146
GRB_PHI:          37.45 [deg]
GRB_THETA:        26.87 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     29.98 [sigma]
IMAGE_SIGNIF:    12.99 [sigma]
LC_URL:          sw01273106000msb.lc

GCN template for BAT paragraph

  • Click here!
    At 10:59:46 UT, the Swift Burst Alert Telescope (BAT) triggered and
    located GRB 241209 ***A*** (trigger=1273106).  Swift slewed immediately to the burst.
    The BAT on-board calculated location is 
    RA, Dec 190.111, -2.879 which is 
       RA(J2000) = 12h 40m 27s
       Dec(J2000) = -02d 52' 42"
    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 ~3164 counts/sec (15-350 keV), at ~0 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: 111.872 s +/- 4.098 s
      Estimated T50 duration: 39.936 s +/- 2.90196 s
      Estimated Peak Interval: MET   755434861.31199992 +/- 0.500000 s
      Estimated background rate 1:     5154.244 near MET 755434807.520000 s
      Estimated background rate 2:     4979.353 near MET 755434992.384000 s
      Estimated total duration: 159.808 s (for data selection)
           (from MET 755434818.240000 to MET 755434978.048000)
      Estimated total fluence: 94987.667088 count
      Created GTI with 14 entries
    ------------------------------------------
     
    

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

    bat_grb_pos_cat.sh 190.111 -2.879 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 190.111 -2.879
    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 12 9 11 287.876301  -14.584788
     Obj: 2024 12 9 11 326.403887  42.437407
    
  • the object visibility at GSFC, Greenbelt, Maryland
     
    MMT Observatory, Mt. Hopkins, Arizona
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 274.283013  -40.454493
     Obj: 2024 12 9 11 290.776527  24.869148
    
  • the object visibility at MMT, Mt. Hopkins, Arizona
     
    Hale Telescope, Palomar Mountain, California
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 269.674802  -45.552181
     Obj: 2024 12 9 11 287.523913  19.556079
    
  • the object visibility at Hale Telescope, Palomar Mt., California
     
    Mauna Kea, Hawaii
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 288.694479  -79.404609
     Obj: 2024 12 9 11 268.525925  -13.011028
    
  • the object visibility at Mauna Kea, Hawaii
     
    Siding Spring Obs., Australia
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 43.832718  -21.067721
     Obj: 2024 12 9 11 324.807291  -49.923552
    
  • the object visibility at Siding Spring Obs., Australia
     
    Tokyo, Japan
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 85.041326  -35.918906
     Obj: 2024 12 9 11 189.913409  -58.259706
    
  • the object visibility at Tokyo, Japan
     
    William Herschel Telescope, La Palma, Canary Islands, Spain
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 326.184207  30.062976
     Obj: 2024 12 9 11 52.367293  43.838803
    
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
     
    Gemini South, Cerro Pachon, Chile
          TimeUT       Azimuth     Elevation
     Sun: 2024 12 9 11 287.662473  15.696867
     Obj: 2024 12 9 11 215.763678  57.674607
    
  • the object visibility at Gemini South, Cerro Pachon, Chile
     
     
     
    The data/results are in /local/data/bat1/prebascript/trigger1273106/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:
    Mon Dec  9 06:17:02 EST 2024