batgrbproduct analysis for trigger=1131029

batgrbproduct Analysis for Trigger=1131029

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Wed Jun 14 12:17:31 EDT 2023
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1131029
======================================================================

  Trigger: 01131029      Segment: 000

  BAT Trigger Time: 688309257.216   [s; MET]
      Trigger Stop: 688309261.312   [s; MET]
               UTC: 2022-10-24T13:00:27.123520    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 169.71820537361   Dec: 33.041010097512  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.22
     Image Trigger?:     NO
     Rate S/N Ratio:     14.3178210632764  [ if not an image trigger ]
     Image S/N Ratio:    10.22

  Flight Position:   [ source = BAT ]
    RA: 169.71820537361   Dec: 33.041010097512  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 169.70305184754   Dec: 33.0775693082221  [deg; J2000]  
        { 11h 18m 48.7s , +33d 04' 39.2" }
         +/- 2.90213383438735 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.41124149618613 [arcmin] (formal 1-sigma fit error)
    SNR: 6.63885939538054
 
  Angular difference between Flight and Ground position is 2.322142 arcmin
 
  Partial Coding Fraction: 0.359375    [ including projection effects ]

  Duration
     T90: 122.175999879837 +/- 108.862343397387
        Measured from: 0.28000009059906
                   to: 122.455999970436     [s; relative to TRIGTIME]
     T50: 104.34399998188 +/- 214.003629602711
        Measured from: 2.67599999904633
                   to: 107.019999980927     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.70000004768372     
                   to: 3.70000004768372     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.00400006771087646     
                   to: 221.276000022888     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.405574   0.910407   0.736447   0.194082
           0.112993   0.117692   0.104302   0.090791 [error]
 Peak      0.047639   0.069821   0.051363   0.023700
           0.011890   0.013638   0.012344   0.009952 [error]

     [ fluence units of on-axis counts / fully illuminated detector ] 

======================================================================
 
=== Fluence/Peak Flux Summary ===
 
              Model    Band1    Band2    Band3    Band4    Band5    Total      
                       15-25    25-50   50-100  100-350   15-150   15-350   keV
Fluence   Power-law 1.72e-07 3.47e-07 5.49e-07 1.92e-06 1.53e-06 2.99e-06   erg/cm2
              Error 4.37e-08 5.48e-08 9.92e-08 7.50e-07 2.48e-07 8.22e-07   erg/cm2
Peak flux Power-law 4.88e-01 5.02e-01 3.64e-01 4.24e-01 1.52e+00 1.78e+00   ph/cm2/s
              Error 1.64e-01 1.11e-01 9.47e-02 2.15e-01 3.21e-01 3.81e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.44e-07 3.78e-07 5.86e-07 6.20e-07 1.44e-06 1.73e-06   erg/cm2
              Error 5.46e-08 6.82e-08 1.16e-07 9.80e-07 2.69e-07 6.80e-07   erg/cm2
Peak flux Cutoff-PL 4.33e-01 5.44e-01 3.93e-01 2.08e-01 1.50e+00 1.58e+00   ph/cm2/s
              Error 1.86e-01 1.37e-01 1.12e-01 2.56e-01 3.24e-01 4.24e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.343    0.246    -      -           7.06e-04 1.03e-04   53.620 57
CPL   0.409    1.229      88.3  -31.5      2.01e-03 4.66e-03   51.490 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.462    0.334    -      -           1.23e-02 2.64e-03   53.230 57
CPL   0.740    1.298      88.2  -26.1      2.87e-02 9.58e-02   52.180 56
 
Model      : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index   : photon index: E^-{Ph_index} (minus sign is not included in the index)
Ph_90err   : 90% error of the photon index
Epeak      : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm       : normalization at 50 keV in PL model and at 1 keV in CPL model
Nomr_90err : 90% error of the normalization
chi2       : Chi-Squared
dof        : degree of freedom
 
=== T90/T50 calculation in the 50-300 keV band (BATSE band) using 64 ms lc ===
 
T90 in the 50-300 keV band: 24.640000 sec.
T50 in the 50-300 keV band: 12.096000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  221.272    0.004  221.276
T90   122.176    0.280  122.456
T50   104.344    2.676  107.020
Peak    1.000    2.700    3.700
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minute to calcaulte

    Image

    Pre-slew 15.0-350.0 keV image (Event data)

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      169.7031    33.0776   0.0288    34.4709  -128.6459         0.9105759      6.639 TRIG_01131029                 
     
    Foreground time interval of the image:
      0.004  34.285 (delta_t =  34.281 [sec])
    Background time interval of the image:
    -239.216   0.004 (delta_t = 239.220 [sec])
    

    Lightcurves

    Notes:

    1 s binning

    From T0-310 s to T0+310 s
    From T100_start - 20 s to T100_end + 30 s
    Full time interval

    64 ms binning

    Full time interval
    From T100_start to T100_end
    From T0-5 sec to T0+5 sec

    16 ms binning

    From T100_start-5 s to T100_start+5 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    8 ms binning

    From T100_start-3 s to T100_start+3 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    2 ms binning

    From T100_start-1 s to T100_start+1 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    SN=5 or 10 sec. binning (whichever binning is satisfied first)

    SN=5 or 10 sec. binning (T < 200 sec)

    Quad-rate summed light curves (from T0-300s to T0+1000s)

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from    0.004 sec. to  221.276 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.34262     ( -0.246067   0.245201 )
    Norm@50keV  : 7.06008E-04    ( -0.000103213   0.000103015 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   53.62     using 59 bins.
     Reduced chi-squared = 0.940702
    # Null hypothesis probability of 6.03e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 221.3 sec: 8.49268E-02 ( -0.0125936  0.0126226 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.5287e-06 ( -2.46125e-07  2.49016e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.004 sec. to  221.276 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.408765     ( -1.43447   1.0229 )
    Epeak [keV] : 88.2914      ( -25.247 -88.2909 )
    Norm@50keV  : 2.01474E-03    ( -0.00201477   0.00731223 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.49     using 59 bins.
     Reduced chi-squared = 0.919464
    # Null hypothesis probability of 6.46e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 221.3 sec: 8.15866E-02 ( -0.0133879  0.0132805 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.43698e-06 ( -2.66697e-07  2.72133e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.004 sec. to  221.276 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 16.7899  (-2.56061  3.17561)
    R^2/D10^2   : 6.94461E-03  (-0.00312504   0.00533915)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   55.53     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 5.30e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.853e-08   2.569e-08
    25- 50  3.878e-07   8.210e-08
    50-150  7.774e-07   2.228e-07
    15-150  1.254e-06   2.760e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-63.8656      -200)
    Norm        : 0.352316       (-0.0512811     0.0512811)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   54.55     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 5.68e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.942e-07   1.102e-07
    25- 50  3.735e-07   2.116e-07
    50-150  8.191e-07   4.580e-07
    15-150  1.387e-06   7.858e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.80612        (-3.80869      11.6146)
    R1^2/D10^2  : 0.556027        (-0.544153      -0.553963)
    kT2 [keV]   : 18.9988        (-3.56873      -19.0014)
    R2^2/D10^2  : 4.27926E-03    (-0.00423586   0.00476436)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.00     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.28e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.547e-07   7.334e-08
    25- 50  3.505e-07   1.197e-07
    50-150  8.575e-07   3.907e-07
    15-150  1.363e-06   5.005e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    2.700 sec. to    3.700 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.46209     ( -0.328875   0.338506 )
    Norm@50keV  : 1.22886E-02    ( -0.00264768   0.00262325 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   53.23     using 59 bins.
     Reduced chi-squared = 0.93386
    # Null hypothesis probability of 6.17e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 1.51903 ( -0.32122  0.32164 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.17352e-07 ( -2.72717e-08  2.75919e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    2.700 sec. to    3.700 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.739921     ( -1.61413   0.982628 )
    Epeak [keV] : 88.2207      ( -35.9963 -88.2209 )
    Norm@50keV  : 2.87173E-02    ( -0.0287171   0.162949 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   52.18     using 59 bins.
     Reduced chi-squared = 0.931786
    # Null hypothesis probability of 6.20e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 1.49873 ( -0.32349  0.32371 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.13616e-07 ( -2.86686e-08  2.87152e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    2.700 sec. to    3.700 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 14.9589  (-3.53572  4.95422)
    R^2/D10^2   : 0.183657  (-0.11616   0.284825)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   56.74     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.85e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.608e-09   3.570e-09
    25- 50  3.412e-08   1.203e-08
    50-150  5.189e-08   2.347e-08
    15-150  9.462e-08   2.952e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.361       (-104.961      -199.363)
    Norm        : 6.29935       (-1.3096     1.31091)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   52.76     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.35e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.569e-08   9.375e-09
    25- 50  3.017e-08   1.789e-08
    50-150  6.618e-08   3.742e-08
    15-150  1.120e-07   6.675e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.64983        (-3.84487      5.25016)
    R1^2/D10^2  : 1.13472        (-0.89777      1.85235)
    kT2 [keV]   : 26.5793        (-22.8305      68.4933)
    R2^2/D10^2  : 1.85148E-02    (-0.0177863   0.104763)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.40     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.13e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.379e-08   8.425e-09
    25- 50  3.159e-08   1.766e-08
    50-150  7.079e-08   3.954e-08
    15-150  1.162e-07   6.060e-08
    

    Pre-slew spectrum (Pre-slew PHA with pre-slew DRM)

    Power-law model
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.27297     ( -0.253144   0.246827 )
    Norm@50keV  : 2.55736E-03    ( -0.000389031   0.00038903 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   60.22     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.60e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 34.28 sec: 0.303636 ( -0.0478936  0.0480848 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.72155e-07 ( -1.42716e-07  1.44037e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.157957     ( -1.46705   1.10654 )
    Epeak [keV] : 85.2472      ( -24.0473 903.601 )
    Norm@50keV  : 9.00222E-03    ( -0.00900229   0.0345949 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.28     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.27e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 34.28 sec: 0.291180 ( -0.049799  0.049847 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.10866e-07 ( -1.551e-07  1.58411e-07 ) ergs/cm2
     
    
    Band function
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    

    S(25-50 keV) vs. S(50-100 keV) plot

    S(25-50 keV)  = 3.47e-07
    S(50-100 keV) = 5.49e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 122.175999879837 sec.
    Hardness ratio (energy fluence ratio) = 1.58213
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 2.24474
    Count Ratio (50-100 keV) / (15-25 keV) = 1.81581
    

    Mask shadow pattern

    IMX = -4.287429109351291E-01, IMY = 5.361960943195506E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    Spacecraft aspect plot

    Bright source in the pre-burst/pre-slew/post-slew images

    Pre-burst image of 15-350 keV band

    Time interval of the image:
    -239.216000 0.004000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    146.9700  39.8205    2.2  22.7 -162.0   2.8094   5.3 ------	UNKNOWN                       
    

    Pre-slew background subtracted image of 15-350 keV band

    Time interval of the image:
    0.004000 34.284600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     97.1478  -3.6116    2.6  43.0   51.4   0.9496   4.4 ------	UNKNOWN                       
    114.8044 -27.0768    2.6  50.7   12.8   0.8185   4.4 ------	UNKNOWN                       
    191.7987  63.1926    2.1  57.9 -162.3   2.5133   5.6 ------	UNKNOWN                       
    169.7030  33.0776    1.7  34.5 -128.6   0.9105   6.6 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    112.084600 962.818100
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    140.4381  68.5643    2.4  39.2  120.4  28.6656   4.8 ------	UNKNOWN                       
    222.9563  72.5871    2.7  47.9  155.7  30.7810   4.3 ------	UNKNOWN                       
    163.4846  45.4527    3.2  13.3  117.6   7.0279   3.6 ------	UNKNOWN                       
    
    Plot creation:
    Wed Jun 14 13:58:20 EDT 2023