batgrbproduct analysis for trigger=1189514

batgrbproduct Analysis for Trigger=1189514

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Sep 29 23:23:01 EDT 2023
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1189514
======================================================================

  Trigger: 01189514      Segment: 000

  BAT Trigger Time: 715454608.192   [s; MET]
      Trigger Stop: 715454610.24   [s; MET]
               UTC: 2023-09-03T17:22:56.248260    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 9.92619753724725   Dec: -40.9238279211701  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.63
     Image Trigger?:     NO
     Rate S/N Ratio:     11.6619037896906  [ if not an image trigger ]
     Image S/N Ratio:    7.63

  Flight Position:   [ source = BAT ]
    RA: 9.92619753724725   Dec: -40.9238279211701  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 9.897540336889   Dec: -40.9088789038754  [deg; J2000]  
        { 00h 39m 35.4s , -40d 54' 32.0" }
         +/- 1.85317230060731 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.624442800687011 [arcmin] (formal 1-sigma fit error)
    SNR: 12.6003184888947
 
  Angular difference between Flight and Ground position is 1.578838 arcmin
 
  Partial Coding Fraction: 0.40625    [ including projection effects ]

  Duration
     T90: 2.53599989414215 +/- 0.269429022393487
        Measured from: 0.276000022888184
                   to: 2.81199991703033     [s; relative to TRIGTIME]
     T50: 1.57999992370605 +/- 0.544249932404332
        Measured from: 0.679999947547913
                   to: 2.25999987125397     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.495999932289124     
                   to: 1.49599993228912     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.195999979972839     
                   to: 2.93199992179871     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.080541   0.160312   0.111503   0.027623
           0.016930   0.017991   0.016133   0.013339 [error]
 Peak      0.039378   0.068104   0.051960   0.015583
           0.010591   0.010974   0.010193   0.008028 [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 2.93e-08 5.72e-08 8.67e-08 2.85e-07 2.44e-07 4.60e-07   erg/cm2
              Error 6.40e-09 8.16e-09 1.46e-08 9.80e-08 3.66e-08 1.10e-07   erg/cm2
Peak flux Power-law 4.17e-01 4.34e-01 3.19e-01 3.78e-01 1.32e+00 1.55e+00   ph/cm2/s
              Error 1.27e-01 8.87e-02 7.43e-02 1.68e-01 2.58e-01 3.05e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.09e-08 7.00e-08 9.49e-08 3.64e-08 2.15e-07 2.22e-07   erg/cm2
              Error 7.85e-09 1.17e-08 1.88e-08 4.56e-08 3.90e-08 5.73e-08   erg/cm2
Peak flux Cutoff-PL 3.01e-01 5.31e-01 3.62e-01 7.05e-02 1.25e+00 1.26e+00   ph/cm2/s
              Error 1.49e-01 1.23e-01 1.00e-01 1.15e-01 2.63e-01 2.78e-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    1.401    0.210    -      -           9.21e-03 1.27e-03   54.650 57
CPL  -0.678    1.496      63.2   17.5      1.05e-01 3.99e-01   44.260 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.444    0.289    -      -           1.07e-02 2.10e-03   63.400 57
CPL  -0.611    1.986      61.2   27.7      1.24e-01 1.13e+00   57.220 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: 2.944000 sec.
T50 in the 50-300 keV band: 2.048000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    2.736    0.196    2.932
T90     2.536    0.276    2.812
T50     1.580    0.680    2.260
Peak    1.000    0.496    1.496
  • 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
        9.8975   -40.9089   0.0153    28.6584    93.7422         0.4120037     12.600 TRIG_01189514                 
     
    Foreground time interval of the image:
      0.196   2.932 (delta_t =   2.736 [sec])
    Background time interval of the image:
    -344.192 -254.138 (delta_t =  90.054 [sec])
    -239.192   0.196 (delta_t = 239.388 [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

    8 ms binning

    From T100_start-3 s to T100_start+3 s

    2 ms binning

    From T100_start-1 s to T100_start+1 s

    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    0.196 sec. to    2.932 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.40144     ( -0.209397   0.210199 )
    Norm@50keV  : 9.21022E-03    ( -0.00126762   0.0012641 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   54.65     using 59 bins.
     Reduced chi-squared = 0.958772
    # Null hypothesis probability of 5.64e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 2.736 sec: 1.12203 ( -0.154298  0.15456 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.43442e-07 ( -3.63967e-08  3.6782e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.196 sec. to    2.932 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.677504     ( -1.77143   1.22073 )
    Epeak [keV] : 63.1787      ( -10.6464 24.4082 )
    Norm@50keV  : 0.104702    ( -0.104718   0.692852 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   44.26     using 59 bins.
     Reduced chi-squared = 0.790357
    # Null hypothesis probability of 8.72e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 2.736 sec: 1.05189 ( -0.161075  0.16068 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.14633e-07 ( -3.79453e-08  4.00829e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.196 sec. to    2.932 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]    : 15.1241  (-1.88658  2.2484)
    R^2/D10^2   : 0.137142  (-0.0534826   0.0820523)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   45.06     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 8.74e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.794e-08   4.352e-09
    25- 50  7.184e-08   1.220e-08
    50-150  1.122e-07   3.055e-08
    15-150  2.020e-07   3.270e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-69.5812      -200)
    Norm        : 4.67744       (-0.629812     0.629812)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   52.78     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.34e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.187e-08   1.818e-08
    25- 50  6.131e-08   3.435e-08
    50-150  1.345e-07   7.461e-08
    15-150  2.276e-07   1.265e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 31.0214        (-31.1534      -31.1534)
    R1^2/D10^2  : 3.92862E-03        (-0.00358135      0.189072)
    kT2 [keV]   : 12.6871        (-12.7214      3.97867)
    R2^2/D10^2  : 0.197740    (-0.196864   -0.196864)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   43.76     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 8.62e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.077e-08   6.703e-09
    25- 50  6.963e-08   2.271e-08
    50-150  1.154e-07   3.945e-08
    15-150  2.058e-07   5.525e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.496 sec. to    1.496 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.44404     ( -0.286498   0.291337 )
    Norm@50keV  : 1.07037E-02    ( -0.00210759   0.00209862 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   63.40     using 59 bins.
     Reduced chi-squared = 1.11228
    # Null hypothesis probability of 2.61e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 1.31709 ( -0.25746  0.25794 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.0257e-07 ( -2.16436e-08  2.19331e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.496 sec. to    1.496 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.610635     ( -2.4589   1.51318 )
    Epeak [keV] : 61.2124      ( -13.3617 42.1045 )
    Norm@50keV  : 0.124388    ( -0.125894   2.14179 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.22     using 59 bins.
     Reduced chi-squared = 1.02179
    # Null hypothesis probability of 4.30e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 1.25430 ( -0.263157  0.26357 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.12935e-08 ( -2.21868e-08  2.38448e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.496 sec. to    1.496 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]    : 14.5948  (-2.53664  3.22747)
    R^2/D10^2   : 0.183153  (-0.0936741   0.175172)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.78     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.46e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.202e-09   2.543e-09
    25- 50  3.176e-08   9.470e-09
    50-150  4.547e-08   1.870e-08
    15-150  8.544e-08   2.317e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (-100.633      -199.363)
    Norm        : 5.50750       (-1.05073     1.05098)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   61.79     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.09e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.371e-08   8.105e-09
    25- 50  2.638e-08   1.515e-08
    50-150  5.786e-08   3.302e-08
    15-150  9.795e-08   5.630e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 11.5546        (-11.6436      -11.6436)
    R1^2/D10^2  : 0.291693        (-0.287248      -0.287248)
    kT2 [keV]   : 25.8495        (-27.3965      -27.3965)
    R2^2/D10^2  : 1.03125E-02    (-0.007507   0.312491)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   56.94     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.03e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.379e-09   7.540e-09
    25- 50  3.145e-08   2.894e-08
    50-150  5.272e-08   6.105e-08
    15-150  9.355e-08   9.950e-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: 1.40144     ( -0.209397   0.210199 )
    Norm@50keV  : 9.21022E-03    ( -0.00126762   0.0012641 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   54.65     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 5.64e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 2.736 sec: 1.12202 ( -0.154302  0.154543 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.43409e-07 ( -3.6382e-08  3.67995e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.677514     ( -1.77142   1.22073 )
    Epeak [keV] : 63.1786      ( -10.6464 24.4082 )
    Norm@50keV  : 0.104703    ( -0.104719   0.692851 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   44.26     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 8.72e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 2.736 sec: 1.05183 ( -0.161064  0.16065 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.14705e-07 ( -3.80214e-08  4.01081e-08 ) 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)  = 5.72e-08
    S(50-100 keV) = 8.67e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 2.53599989414215 sec.
    Hardness ratio (energy fluence ratio) = 1.51573
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.99044
    Count Ratio (50-100 keV) / (15-25 keV) = 1.38443
    

    Mask shadow pattern

    IMX = -3.567144706682876E-02, IMY = -5.453748491462346E-01
    

    TIME vs. PHA plot around the trigger time

    TIME vs. DetID plot around the trigger time

    100 us light curve (15-350 keV)

    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:
    -344.192000 -254.138200
    -239.192000 0.196000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    298.4262 -62.6125    2.7  43.5   13.3   3.6914   4.2 ------	UNKNOWN                       
    191.4203 -84.6742    2.6  33.1  -32.1   2.6472   4.5 ------	UNKNOWN                       
     81.4884 -25.7539    3.0  44.2 -153.3   3.1476   3.9 ------	UNKNOWN                       
    123.5538 -64.0929    2.7  34.4  -76.7   3.4448   4.3 ------	UNKNOWN                       
    100.9292 -30.9553    2.3  48.0 -129.0  10.4959   5.2 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.196000 2.932000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
      9.8975 -40.9089    0.9  28.7   93.7   0.4121  12.6 ------	UNKNOWN                       
     69.9783  -8.7153    2.6  56.5 -174.4   0.3447   4.5 ------	UNKNOWN                       
    171.3015 -81.5121    2.3  34.3  -38.9   0.1280   5.1 ------	UNKNOWN                       
    101.2771 -35.0241    2.3  44.8 -125.6   0.3295   4.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    94.908590 961.808600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    345.9990 -33.1766    2.6  20.5   58.5   5.3695   4.3 ------	UNKNOWN                       
    308.2330 -47.7598    2.6  43.4   13.3   9.0753   4.4 ------	UNKNOWN                       
    345.1778 -71.6926    2.4  33.1  -32.1   6.4403   4.8 ------	UNKNOWN                       
    342.8014 -75.5913    2.5  36.7  -35.1   6.7678   4.7 ------	UNKNOWN                       
    
    Plot creation:
    Sat Sep 30 00:41:24 EDT 2023