batgrbproduct analysis for trigger=1075565

batgrbproduct Analysis for Trigger=1075565

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Mon Oct 24 00:26:35 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1075565
======================================================================

  Trigger: 01075565      Segment: 000

  BAT Trigger Time: 654662840   [s; MET]
      Trigger Stop: 654662904   [s; MET]
               UTC: 2021-09-30T02:46:52.183340    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 197.435314036749   Dec: 48.6229469478518  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.5
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.5

  Flight Position:   [ source = BAT ]
    RA: 197.435314036749   Dec: 48.6229469478518  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 197.414607591782   Dec: 48.6297429062774  [deg; J2000]  
        { 13h 09m 39.5s , +48d 37' 47.1" }
         +/- 1.56526689105116 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.659913758544728 [arcmin] (formal 1-sigma fit error)
    SNR: 16.037436610934
 
  Angular difference between Flight and Ground position is 0.916841 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 11.8119999170303 +/- 1.94082558518738
        Measured from: 6.52799999713898
                   to: 18.3399999141693     [s; relative to TRIGTIME]
     T50: 5.53999996185303 +/- 1.23482786623791
        Measured from: 8.73199999332428
                   to: 14.2719999551773     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 8.39999997615814     
                   to: 9.39999997615814     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 5.83599996566772     
                   to: 19.2359999418259     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.204113   0.271806   0.161394   0.033417
           0.023288   0.024056   0.020767   0.017774 [error]
 Peak      0.036767   0.024888   0.022519   0.010085
           0.006672   0.006903   0.006052   0.004993 [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 5.94e-08 1.04e-07 1.39e-07 3.82e-07 4.05e-07 6.85e-07   erg/cm2
              Error 1.01e-08 1.09e-08 2.06e-08 1.21e-07 4.87e-08 1.38e-07   erg/cm2
Peak flux Power-law 2.78e-01 2.40e-01 1.42e-01 1.26e-01 7.15e-01 7.86e-01   ph/cm2/s
              Error 1.01e-01 5.36e-02 5.35e-02 9.74e-02 1.59e-01 1.82e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.90e-08 1.04e-07 1.39e-07 3.56e-07 4.03e-07 6.59e-07   erg/cm2
              Error 1.03e-08 1.26e-08 2.11e-08 1.49e-07 5.28e-08 2.73e-07   erg/cm2
Peak flux Cutoff-PL 2.60e-01 1.63e-01 6.96e-02 4.81e-02 5.14e-01 5.43e-01   ph/cm2/s
              Error 1.18e-01 1.19e-01 6.15e-02 5.24e-02 2.75e-01 2.53e-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    1.578    0.189    -      -           3.22e-03 3.53e-04   51.430 57
CPL   1.536    0.933     482.5    0.0      3.39e-03 3.69e-03   51.430 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.758    0.482    -      -           5.27e-03 1.47e-03   47.640 57
CPL   2.039    0.485      16.0   -0.0      3.59e-03 2.35e-03   46.850 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: 8.512000 sec.
T50 in the 50-300 keV band: 4.224000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   13.400    5.836   19.236
T90    11.812    6.528   18.340
T50     5.540    8.732   14.272
Peak    1.000    8.400    9.400
  • 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
      197.4146    48.6297   0.0121    19.0169  -159.4010         0.7158844     16.037 TRIG_01075565                 
     
    Foreground time interval of the image:
      5.836  19.236 (delta_t =  13.400 [sec])
    Background time interval of the image:
    -239.000   5.836 (delta_t = 244.836 [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 64.000000
    

    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 64.000000
    

    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 64.000000
    

    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    5.836 sec. to   19.236 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.57847     ( -0.186826   0.190551 )
    Norm@50keV  : 3.22158E-03    ( -0.000355107   0.00035057 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.43     using 59 bins.
     Reduced chi-squared = 0.902281
    # Null hypothesis probability of 6.83e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 13.4 sec: 0.411287 ( -0.042606  0.042661 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.04878e-07 ( -4.8374e-08  4.90474e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    5.836 sec. to   19.236 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.53584     ( -0.779672   1.08564 )
    Epeak [keV] : 482.509      ( -559.235 -559.235 )
    Norm@50keV  : 3.39190E-03    ( -0.00221677   0.00516008 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.43     using 59 bins.
     Reduced chi-squared = 0.918393
    # Null hypothesis probability of 6.48e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 13.4 sec: 0.410541 ( -0.044644  0.043261 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.0339e-07 ( -5.54973e-08  5.00139e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    5.836 sec. to   19.236 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]    : 13.0737  (-1.69777  2.06052)
    R^2/D10^2   : 7.33115E-02  (-0.0297937   0.0476362)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   74.90     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 5.61e-02 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.561e-08   6.573e-09
    25- 50  1.234e-07   1.690e-08
    50-150  1.338e-07   3.311e-08
    15-150  2.928e-07   4.107e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 197.123       (-86.1006      -195.804)
    Norm        : 1.67000       (-0.174134     0.203208)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.81     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.70e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.581e-08   3.077e-08
    25- 50  1.072e-07   5.840e-08
    50-150  2.342e-07   1.270e-07
    15-150  3.973e-07   2.139e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.27619        (-2.19885      2.11233)
    R1^2/D10^2  : 0.281006        (-0.146347      0.468755)
    kT2 [keV]   : 36.2291        (-14.0855      100.11)
    R2^2/D10^2  : 1.59883E-03    (-0.00150618   0.00711595)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   52.15     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 5.84e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.166e-08   2.151e-08
    25- 50  1.143e-07   4.295e-08
    50-150  2.423e-07   1.271e-07
    15-150  4.083e-07   1.659e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    8.400 sec. to    9.400 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.75819     ( -0.447097   0.517679 )
    Norm@50keV  : 5.26864E-03    ( -0.00154216   0.00139155 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   47.64     using 59 bins.
     Reduced chi-squared = 0.835789
    # Null hypothesis probability of 8.07e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 0.714606 ( -0.159157  0.159169 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.85993e-08 ( -1.38032e-08  1.4195e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    8.400 sec. to    9.400 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.03879     ( -0.443369   0.527073 )
    Epeak [keV] : 16.0173      ( -9999.35 -9999.36 )
    Norm@50keV  : 3.58997E-03    ( -0.00146771   0.00322356 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   46.85     using 59 bins.
     Reduced chi-squared = 0.836607
    # Null hypothesis probability of 8.03e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 0.514099 ( -0.33951  0.211065 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.48281e-08 ( -1.48631e-08  1.56009e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    8.400 sec. to    9.400 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]    : 13.4294  (-5.47094  8.02145)
    R^2/D10^2   : 0.107907  (-0.0829754   0.584942)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   59.65     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.80e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.123e-09   2.558e-09
    25- 50  1.470e-08   8.199e-09
    50-150  1.707e-08   1.110e-08
    15-150  3.589e-08   1.925e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 163.041       (-107.766      -161.426)
    Norm        : 2.88234       (-0.674418     1.14034)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   48.97     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 7.67e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.346e-09   4.180e-09
    25- 50  1.378e-08   7.790e-09
    50-150  2.812e-08   1.739e-08
    15-150  4.924e-08   2.913e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.22685        (-1.45574      2.73062)
    R1^2/D10^2  : 29.2843        (-27.7122      1665.46)
    kT2 [keV]   : 23.3481        (-8.18462      18.1863)
    R2^2/D10^2  : 1.44485E-02    (-0.0120789   0.0412404)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   45.20     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 8.24e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.907e-09   5.455e-09
    25- 50  9.337e-09   5.068e-09
    50-150  3.155e-08   1.973e-08
    15-150  5.080e-08   2.736e-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: 1.57847     ( -0.186826   0.190551 )
    Norm@50keV  : 3.22158E-03    ( -0.000355107   0.00035057 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.43     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.83e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 13.4 sec: 0.411274 ( -0.0426035  0.0426587 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.04821e-07 ( -4.83664e-08  4.90545e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.46172     ( -0.79397   0.235819 )
    Epeak [keV] : 200.019      ( -471.118 -538.082 )
    Norm@50keV  : 3.70117E-03    ( -0.00165708   0.00516013 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   51.53     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.45e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 13.4 sec: 0.410492 ( -0.044733  0.043214 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.03205e-07 ( -5.51852e-08  5.01039e-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)  = 1.04e-07
    S(50-100 keV) = 1.39e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 11.8119999170303 sec.
    Hardness ratio (energy fluence ratio) = 1.33654
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.33164
    Count Ratio (50-100 keV) / (15-25 keV) = 0.790709
    

    Mask shadow pattern

    IMX = -3.226216663489579E-01, IMY = 1.212593203626557E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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:
    -239.000000 5.836000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.0361  30.0979    3.0  58.7 -159.2   5.7947   3.8 ------	UNKNOWN                       
    155.0536   1.4856    2.6  48.3  -39.4   2.8003   4.4 ------	UNKNOWN                       
    174.0198   8.7464    2.5  39.9  -66.1   2.9121   4.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    5.836000 19.236000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    197.4146  48.6298    0.7  19.0 -159.4   0.7160  16.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    123.700600 963.032100
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.5332  35.4622    9.6  43.3  162.2   1.8282   1.2    8.1	Her X-1                       
    122.0348  52.6786    4.5  45.7   21.5   3.9434   2.6 ------	UNKNOWN                       
    123.4650  29.3626    3.7  58.2   -3.8  13.6756   3.1 ------	UNKNOWN                       
    127.5946  25.3796    3.7  58.2  -10.2  11.2050   3.1 ------	UNKNOWN                       
    152.9388  16.4386    3.7  48.3  -39.4   5.0099   3.1 ------	UNKNOWN                       
    219.4698   2.6441    2.7  49.7 -133.0  13.3056   4.2 ------	UNKNOWN                       
    
    Plot creation:
    Mon Oct 24 05:18:16 EDT 2022