batgrbproduct analysis for trigger=824063

batgrbproduct Analysis for Trigger=824063

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri May 11 18:13:07 EDT 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger824063
======================================================================

  Trigger: 00824063      Segment: 000

  BAT Trigger Time: 545040200   [s; MET]
      Trigger Stop: 545040296   [s; MET]
               UTC: 2018-04-10T08:02:59.237600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 95.981565817236   Dec: 12.8078803516501  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.52
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.52

  Flight Position:   [ source = BAT ]
    RA: 95.981565817236   Dec: 12.8078803516501  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 95.9714996106793   Dec: 12.8062630733419  [deg; J2000]  
        { 06h 23m 53.2s , +12d 48' 22.5" }
         +/- 1.83821515799834 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.735250936209581 [arcmin] (formal 1-sigma fit error)
    SNR: 12.7470391179459
 
  Angular difference between Flight and Ground position is 0.596887 arcmin
 
  Partial Coding Fraction: 0.53125    [ including projection effects ]

  Duration
     T90: 114.799999952316 +/- 14.4293076043345
        Measured from: 25.6879999637604
                   to: 140.487999916077     [s; relative to TRIGTIME]
     T50: 50.2719999551773 +/- 10.1099760924878
        Measured from: 37.9119999408722
                   to: 88.1839998960495     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 25.7039999961853     
                   to: 26.7039999961853     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 20.7120000123978     
                   to: 154.751999974251     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.849995   1.226270   1.203924   0.191441
           0.087169   0.090106   0.076698   0.063939 [error]
 Peak      0.008085   0.030000   0.039674   0.013972
           0.007899   0.008594   0.007933   0.006422 [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 2.87e-07 5.61e-07 8.52e-07 2.81e-06 2.39e-06 4.50e-06   erg/cm2
              Error 3.79e-08 4.46e-08 7.48e-08 5.43e-07 1.86e-07 5.92e-07   erg/cm2
Peak flux Power-law 1.32e-01 2.03e-01 2.34e-01 5.18e-01 7.23e-01 1.09e+00   ph/cm2/s
              Error 7.79e-02 7.50e-02 5.98e-02 2.85e-01 1.98e-01 3.05e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.61e-07 5.84e-07 8.84e-07 1.53e-06 2.32e-06 3.26e-06   erg/cm2
              Error 4.70e-08 5.24e-08 8.55e-08 1.01e-06 2.02e-07 1.33e-06   erg/cm2
Peak flux Cutoff-PL 9.66e-02 2.11e-01 2.66e-01 2.21e-01 6.98e-01 7.94e-01   ph/cm2/s
              Error 1.01e-01 8.70e-02 8.21e-02 2.53e-01 2.02e-01 3.70e-01   ph/cm2/s
 
Fluence        Band 4.03e-07 5.91e-07 9.09e-07 1.96e-06 2.36e-06 3.59e-06   erg/cm2
              Error -------- 5.28e-08 9.16e-08 2.39e-07 1.74e-07 3.87e-07   erg/cm2
Peak flux      Band 6.89e-02 2.24e-01 2.58e-01 3.47e-01 6.82e-01 9.02e-01   ph/cm2/s
              Error 9.40e-02 1.04e-01 8.09e-02 2.89e-01 1.56e-01 3.08e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.399    0.125    -      -           1.85e-03 1.32e-04   50.110 57
CPL   0.942    0.539     122.8  -40.6      3.06e-03 1.93e-03   47.810 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.795    0.455    -      -           6.29e-03 1.78e-03   69.710 57
CPL  -0.289    2.288     126.2  -35.0      1.81e-02 1.71e-01   68.790 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: 108.800000 sec.
T50 in the 50-300 keV band: 35.968000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  134.040   20.712  154.752
T90   114.800   25.688  140.488
T50    50.272   37.912   88.184
Peak    1.000   25.704   26.704
  • 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
       95.9715    12.8063   0.0151    33.5944   155.9414         3.1846240     12.747 TRIG_00824063                 
     
    Foreground time interval of the image:
     20.712 105.301 (delta_t =  84.589 [sec])
    Background time interval of the image:
    -15.899  20.712 (delta_t =  36.611 [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   20.712 sec. to  154.752 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.39874     ( -0.125062   0.124602 )
    Norm@50keV  : 1.84512E-03    ( -0.000132125   0.000132033 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.11 using 59 PHA bins.
    # Reduced chi-squared =         0.8791 for     57 degrees of freedom 
    # Null hypothesis probability =   7.292438e-01
     
    Photon flux (15-150 keV)    in 134 sec: 0.224641 ( -0.016822  0.016862 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.38998e-06 ( -1.85105e-07  1.8607e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   20.712 sec. to  154.752 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.942267     ( -0.580261   0.497272 )
    Epeak [keV] : 122.827      ( -41.5261 -122.826 )
    Norm@50keV  : 3.05502E-03    ( -0.00125559   0.00261085 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.81 using 59 PHA bins.
    # Reduced chi-squared =         0.8537 for     56 degrees of freedom 
    # Null hypothesis probability =   7.738346e-01
     
    Photon flux (15-150 keV)    in 134 sec: 0.219688 ( -0.017819  0.017746 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.32308e-06 ( -2.01911e-07  2.0136e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   20.712 sec. to  154.752 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.875982   ( 0.875731   0.740963 )
    beta        : -1.81394    ( 1.8156   0.452709 )
    Epeak [keV] : 110.533      ( -110.323 -110.323 )
    Norm@50keV   : 3.32008E-03    ( -0.00137829   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.59 using 59 PHA bins.
    # Reduced chi-squared =         0.8654 for     55 degrees of freedom 
    # Null hypothesis probability =   7.505204e-01
     
    Photon flux (15-150 keV)    in 134 sec: 0.219366 ( -0.018042  0.017635 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.35899e-06 ( -1.80955e-07  1.67891e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 17.0094  (-1.42087  1.59337)
    R^2/D10^2   : 1.69256E-02  (-0.00454729   0.00604559)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.74 using 59 PHA bins.
    # Reduced chi-squared =          1.364 for     57 degrees of freedom 
    # Null hypothesis probability =   3.533214e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.336e-07   2.013e-08
    25- 50  5.915e-07   5.702e-08
    50-150  1.222e-06   1.560e-07
    15-150  1.947e-06   1.762e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-27.1367      -200)
    Norm        : 0.935018       (-0.0669293     0.0669293)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.01 using 59 PHA bins.
    # Reduced chi-squared =         0.9300 for     57 degrees of freedom 
    # Null hypothesis probability =   6.254676e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.120e-07   2.646e-08
    25- 50  6.001e-07   5.735e-08
    50-150  1.316e-06   3.295e-07
    15-150  2.228e-06   4.187e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.09543        (-1.41268      2.14734)
    R1^2/D10^2  : 0.568504        (-0.412231      1.79496)
    kT2 [keV]   : 21.4876        (-2.70912      4.34733)
    R2^2/D10^2  : 6.76465E-03    (-0.00338873   0.00435609)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.01 using 59 PHA bins.
    # Reduced chi-squared =         0.8729 for     55 degrees of freedom 
    # Null hypothesis probability =   7.366360e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.780e-07   1.197e-07
    25- 50  5.448e-07   1.369e-07
    50-150  1.413e-06   2.403e-07
    15-150  2.236e-06   3.873e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   25.704 sec. to   26.704 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.795291     ( -0.487892   0.422012 )
    Norm@50keV  : 6.29325E-03    ( -0.00181609   0.00174449 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.71 using 59 PHA bins.
    # Reduced chi-squared =          1.223 for     57 degrees of freedom 
    # Null hypothesis probability =   1.204065e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.723419 ( -0.196311  0.199705 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.36953e-08 ( -1.91358e-08  1.92313e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   25.704 sec. to   26.704 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.288678     ( -3.29278   1.28263 )
    Epeak [keV] : 126.197      ( -56.1118 -126.207 )
    Norm@50keV  : 1.81383E-02    ( -0.0181351   0.324032 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.79 using 59 PHA bins.
    # Reduced chi-squared =          1.228 for     56 degrees of freedom 
    # Null hypothesis probability =   1.171652e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.698419 ( -0.20041  0.204387 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.07115e-08 ( -2.14248e-08  2.04098e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   25.704 sec. to   26.704 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 1.69570   ( -1.72888   -1.72888 )
    beta        : -1.29145    ( 1.29754   0.828756 )
    Epeak [keV] : 72.4947      ( -71.6454 196.152 )
    Norm@50keV   : 0.101575    ( -0.114319   9.43913 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.17 using 59 PHA bins.
    # Reduced chi-squared =          1.240 for     55 degrees of freedom 
    # Null hypothesis probability =   1.093187e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.682399 ( -0.1983  0.114574 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.20755e-09 ( -2.20755e-09  5.71199e-09 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 24.3185  (-6.65526  12.0594)
    R^2/D10^2   : 2.04599E-02  (-0.0143454   0.0359657)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.38 using 59 PHA bins.
    # Reduced chi-squared =          1.217 for     57 degrees of freedom 
    # Null hypothesis probability =   1.259254e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.132e-09   1.236e-09
    25- 50  1.193e-08   5.543e-09
    50-150  5.248e-08   2.780e-08
    15-150  6.654e-08   3.859e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-66.8853      -200)
    Norm        : 2.99000       (-0.841361     0.841361)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.82 using 59 PHA bins.
    # Reduced chi-squared =          1.365 for     57 degrees of freedom 
    # Null hypothesis probability =   3.483243e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.452e-09   4.549e-09
    25- 50  1.434e-08   8.980e-09
    50-150  3.144e-08   1.899e-08
    15-150  5.323e-08   3.224e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 17.2024        (-6.25339      14.2423)
    R1^2/D10^2  : 4.61932E-02        (-0.0359221      -0.0461581)
    kT2 [keV]   : 198.468        (-198.564      -198.564)
    R2^2/D10^2  : 1.03247E-04    (-0.000104554   0.0422774)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.03 using 59 PHA bins.
    # Reduced chi-squared =          1.237 for     55 degrees of freedom 
    # Null hypothesis probability =   1.114805e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.906e-09   1.880e-09
    25- 50  1.351e-08   9.330e-09
    50-150  5.346e-08   2.957e-08
    15-150  6.987e-08   4.239e-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: 1.28133     ( -0.127914   0.126313 )
    Norm@50keV  : 2.44301E-03    ( -0.00017924   0.00017916 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.92 using 59 PHA bins.
    # Reduced chi-squared =          1.051 for     57 degrees of freedom 
    # Null hypothesis probability =   3.703203e-01
     
    Photon flux (15-150 keV)    in 84.59 sec: 0.290479 ( -0.0225786  0.0226484 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.0516e-06 ( -1.60372e-07  1.60883e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.724676     ( -0.610384   0.530598 )
    Epeak [keV] : 126.220      ( -39.3231 873.101 )
    Norm@50keV  : 4.41823E-03    ( -0.00187419   0.00382439 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.71 using 59 PHA bins.
    # Reduced chi-squared =          1.013 for     56 degrees of freedom 
    # Null hypothesis probability =   4.483155e-01
     
    Photon flux (15-150 keV)    in 84.59 sec: 0.282770 ( -0.023857  0.023811 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.99227e-06 ( -1.73519e-07  1.72301e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.629053   ( -0.611684   3.4261 )
    beta        : -1.72623    ( 1.73015   0.446335 )
    Epeak [keV] : 111.235      ( -85.1777 630.3 )
    Norm@50keV   : 4.97962E-03    ( -0.00227733   0.025859 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.57 using 59 PHA bins.
    # Reduced chi-squared =          1.028 for     55 degrees of freedom 
    # Null hypothesis probability =   4.162745e-01
     
    Photon flux (15-150 keV)    in 84.59 sec: 0.282007 ( -0.024021  0.02395 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.02624e-06 ( -1.63852e-07  1.40865e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 5.61e-07
    S(50-100 keV) = 8.52e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 114.799999952316 sec.
    Hardness ratio (energy fluence ratio) = 1.51872
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.44268
    Count Ratio (50-100 keV) / (15-25 keV) = 1.41639
    

    Mask shadow pattern

    IMX = -6.065525978282925E-01, IMY = -2.707984011356575E-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:
    -15.899400 20.712000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6444  22.0098    0.5  20.4  171.7   1.5136  22.0    0.7	Crab                          
     75.6678  -7.2280    2.3  48.4 -166.1   0.7624   5.1 ------	UNKNOWN                       
    

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

    Time interval of the image:
    20.712000 105.300590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6520  22.1700    5.6  20.2  171.6   0.3545   2.1    9.4	Crab                          
    158.6722  70.3595    2.0  49.5   40.4   4.6475   5.7 ------	UNKNOWN                       
     95.9715  12.8063    0.9  33.6  155.9   3.1843  12.7 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    159.500610 963.090000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6314  22.0156    0.2  14.9  -55.2  34.0387  50.5    0.1	Crab                          
    110.3803 -39.6390    2.5  54.2  161.4  16.1500   4.5 ------	UNKNOWN                       
     79.3575 -42.9600    2.8  57.8 -170.6  14.2879   4.1 ------	UNKNOWN                       
     82.3868  64.0425    4.5  52.1  -12.4   3.9923   2.6 ------	UNKNOWN                       
     67.2071  50.9094    3.1  44.7  -30.5   4.2165   3.8 ------	UNKNOWN                       
     69.8407 -39.0271    2.3  57.3 -160.9  16.8344   5.1 ------	UNKNOWN                       
     54.8982  21.3705    2.8  40.1  -76.9   9.6317   4.1 ------	UNKNOWN                       
     55.6091  -5.0222    2.2  43.9 -116.4  13.6272   5.3 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 13 07:52:04 EDT 2018