batgrbproduct Analysis for Trigger=709357

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Sep 11 22:28:01 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger709357
======================================================================

  Trigger: 00709357      Segment: 000

  BAT Trigger Time: 493511370.048   [s; MET]
      Trigger Stop: 493511370.112   [s; MET]
               UTC: 2016-08-21T22:29:13.303140    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 279.987123430967   Dec: 62.3929503514047  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.14
     Image Trigger?:     NO
     Rate S/N Ratio:     34.6121365997536  [ if not an image trigger ]
     Image S/N Ratio:    10.14

  Flight Position:   [ source = BAT ]
    RA: 279.987123430967   Dec: 62.3929503514047  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 280.003615634199   Dec: 62.3870453499745  [deg; J2000]  
        { 18h 40m 00.9s , +62d 23' 13.4" }
         +/- 1.43500177883794 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.775317490763796 [arcmin] (formal 1-sigma fit error)
    SNR: 18.1569737841855
 
  Angular difference between Flight and Ground position is 0.579519 arcmin
 
  Partial Coding Fraction: 0.859375    [ including projection effects ]

  Duration
     T90: 0.479999959468842 +/- 0.0729931709021742
        Measured from: 0.00800001621246338
                   to: 0.487999975681305     [s; relative to TRIGTIME]
     T50: 0.275999963283539 +/- 0.0505964885533881
        Measured from: 0.0440000295639038
                   to: 0.319999992847443     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.229999959468842     
                   to: 0.770000040531158     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.53600001335144     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.065919   0.095350   0.043541  -0.000857
           0.006122   0.006903   0.005459   0.003964 [error]
 Peak      0.060462   0.091726   0.046839   0.007431
           0.007574   0.008266   0.006753   0.005074 [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 2.29e-08 3.33e-08 3.63e-08 7.40e-08 1.15e-07 1.66e-07   erg/cm2
              Error 2.84e-09 2.97e-09 5.01e-09 1.98e-08 1.20e-08 2.54e-08   erg/cm2
Peak flux Power-law 6.96e-01 5.94e-01 3.46e-01 3.01e-01 1.77e+00 1.94e+00   ph/cm2/s
              Error 1.10e-01 6.42e-02 5.38e-02 8.87e-02 1.91e-01 2.11e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.91e-08 4.08e-08 3.54e-08 9.22e-09 1.03e-07 1.05e-07   erg/cm2
              Error 3.39e-09 4.46e-09 6.31e-09 8.63e-09 1.19e-08 1.43e-08   erg/cm2
Peak flux Cutoff-PL 5.65e-01 7.03e-01 3.62e-01 6.44e-02 1.68e+00 1.69e+00   ph/cm2/s
              Error 1.34e-01 8.99e-02 6.61e-02 6.10e-02 1.97e-01 2.05e-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    1.879    0.149    -      -           2.34e-02 2.43e-03   75.300 57
CPL   0.120    0.884      46.3    6.4      2.27e-01 3.87e-01   59.050 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.780    0.179    -      -           1.29e-02 1.57e-03   67.000 57
CPL   0.162    1.032      51.0   10.5      9.91e-02 2.04e-01   56.970 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: 0.064000 sec.
T50 in the 50-300 keV band: 0.064000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.536    0.000    0.536
T90     0.480    0.008    0.488
T50     0.276    0.044    0.320
Peak    1.000   -0.230    0.770
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minute to calcaulte
  • Special notes of this burst

    Image

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

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      280.0036    62.3870   0.0105    22.5632    28.8066         0.2138426     18.157 TRIG_00709357                 
     
    Foreground time interval of the image:
      0.000   0.536 (delta_t =   0.536 [sec])
    Background time interval of the image:
    -239.048   0.000 (delta_t = 239.048 [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 0.064000
    

    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 0.064000
    

    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 0.064000
    

    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    0.000 sec. to    0.536 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.87936     ( -0.146024   0.152004 )
    Norm@50keV  : 2.33673E-02    ( -0.00244687   0.00241401 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.30 using 59 PHA bins.
    # Reduced chi-squared =          1.321 for     57 degrees of freedom 
    # Null hypothesis probability =   5.263330e-02
     
    Photon flux (15-150 keV)    in 0.536 sec: 3.32465 ( -0.29741  0.2975 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.15158e-07 ( -1.18997e-08  1.20384e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    0.536 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.120241     ( -0.958008   0.809352 )
    Epeak [keV] : 46.3175      ( -5.38246 7.47887 )
    Norm@50keV  : 0.226702    ( -0.226769   0.546801 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.05 using 59 PHA bins.
    # Reduced chi-squared =          1.054 for     56 degrees of freedom 
    # Null hypothesis probability =   3.647848e-01
     
    Photon flux (15-150 keV)    in 0.536 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.02961e-07 ( -1.15553e-08  1.23189e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    0.536 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]    : 11.4175  (-0.959166  1.04507)
    R^2/D10^2   : 1.02311  (-0.289675   0.400131)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.96 using 59 PHA bins.
    # Reduced chi-squared =          1.157 for     57 degrees of freedom 
    # Null hypothesis probability =   1.947282e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.503e-08   2.358e-09
    25- 50  4.456e-08   4.974e-09
    50-150  3.373e-08   7.003e-09
    15-150  9.332e-08   9.273e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 78.9425       (-18.0985      27.6826)
    Norm        : 16.0021       (-1.96139     2.24336)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.29 using 59 PHA bins.
    # Reduced chi-squared =          1.145 for     57 degrees of freedom 
    # Null hypothesis probability =   2.108362e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.224e-08   2.726e-09
    25- 50  3.649e-08   3.524e-09
    50-150  5.105e-08   1.464e-08
    15-150  1.098e-07   1.726e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.91006        (-1.74907      2.46227)
    R1^2/D10^2  : 21.3326        (-17.9819      496.169)
    kT2 [keV]   : 13.1628        (-1.58467      2.34318)
    R2^2/D10^2  : 0.534027    (-0.284938   0.37987)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.74 using 59 PHA bins.
    # Reduced chi-squared =          1.032 for     55 degrees of freedom 
    # Null hypothesis probability =   4.098757e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.982e-08   8.509e-09
    25- 50  3.985e-08   1.234e-08
    50-150  4.053e-08   1.349e-08
    15-150  1.002e-07   2.704e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.230 sec. to    0.770 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.77986     ( -0.175744   0.182947 )
    Norm@50keV  : 1.29257E-02    ( -0.00158055   0.00155826 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          67.00 using 59 PHA bins.
    # Reduced chi-squared =          1.175 for     57 degrees of freedom 
    # Null hypothesis probability =   1.714841e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.76749 ( -0.19107  0.19116 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.1911e-07 ( -1.47966e-08  1.49996e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.230 sec. to    0.770 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.162224     ( -1.13787   0.92606 )
    Epeak [keV] : 50.9773      ( -7.43787 13.6043 )
    Norm@50keV  : 9.91236E-02    ( -0.0991538   0.308181 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.97 using 59 PHA bins.
    # Reduced chi-squared =          1.017 for     56 degrees of freedom 
    # Null hypothesis probability =   4.388883e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.68375 ( -0.1967  0.19689 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.06987e-07 ( -1.4681e-08  1.57456e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.230 sec. to    0.770 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]    : 12.2324  (-1.2631  1.41529)
    R^2/D10^2   : 0.423554  (-0.142171   0.210423)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.07 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     57 degrees of freedom 
    # Null hypothesis probability =   3.001779e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.342e-08   2.500e-09
    25- 50  4.320e-08   5.900e-09
    50-150  3.936e-08   9.450e-09
    15-150  9.598e-08   1.162e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 96.7664       (-28.4098      52.4452)
    Norm        : 8.00824       (-1.09605     1.28566)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.20 using 59 PHA bins.
    # Reduced chi-squared =          1.074 for     57 degrees of freedom 
    # Null hypothesis probability =   3.277387e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.093e-08   3.260e-09
    25- 50  3.594e-08   4.575e-09
    50-150  5.716e-08   2.365e-08
    15-150  1.140e-07   2.760e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.87897        (-3.52324      3.08561)
    R1^2/D10^2  : 11.6608        (-10.5079      74.3542)
    kT2 [keV]   : 14.0922        (-1.99095      3.02966)
    R2^2/D10^2  : 0.226343    (-0.13254   0.174901)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.96 using 59 PHA bins.
    # Reduced chi-squared =         0.9993 for     55 degrees of freedom 
    # Null hypothesis probability =   4.761769e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.861e-08   8.215e-09
    25- 50  3.854e-08   1.227e-08
    50-150  4.664e-08   1.905e-08
    15-150  1.038e-07   3.257e-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: 1.87936     ( -0.146024   0.152004 )
    Norm@50keV  : 2.33673E-02    ( -0.00244687   0.00241401 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.30 using 59 PHA bins.
    # Reduced chi-squared =          1.321 for     57 degrees of freedom 
    # Null hypothesis probability =   5.263330e-02
     
    Photon flux (15-150 keV)    in 0.536 sec: 3.32445 ( -0.297388  0.297476 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.15139e-07 ( -1.18965e-08  1.20412e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.120019     ( -0.957951   0.809407 )
    Epeak [keV] : 46.3172      ( -5.38244 7.47891 )
    Norm@50keV  : 0.226764    ( -0.22677   0.546801 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.05 using 59 PHA bins.
    # Reduced chi-squared =          1.054 for     56 degrees of freedom 
    # Null hypothesis probability =   3.647848e-01
     
    Photon flux (15-150 keV)    in 0.536 sec: 3.17712 ( -0.30292  0.30384 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.0299e-07 ( -1.1569e-08  1.23076e-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)  = 3.33e-08
    S(50-100 keV) = 3.63e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 0.479999959468842 sec.
    Hardness ratio (energy fluence ratio) = 1.09009
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.44647
    Count Ratio (50-100 keV) / (15-25 keV) = 0.660523
    

    Mask shadow pattern

    IMX = 3.640871868642091E-01, IMY = -2.002134305618259E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    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:
    -239.048000 0.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.5026  35.3658    1.2  17.9  130.9   2.4336   9.5    2.6	Her X-1                       
    183.5470  60.0519    3.3  33.5  -69.0   1.4736   3.5 ------	UNKNOWN                       
     83.4684  68.9505    2.9  58.8  -26.0   6.2907   4.0 ------	UNKNOWN                       
    188.2681  36.1237    3.1  41.4 -107.1   4.3236   3.8 ------	UNKNOWN                       
    131.3224  67.7338    3.5  50.6  -44.7   4.7991   3.3 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.000000 0.536000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4910  35.3152   12.0  18.0  131.0  -0.0121  -1.0    2.3	Her X-1                       
    280.0036  62.3870    0.6  22.6   28.8   0.2139  18.2 ------	UNKNOWN                       
    226.8019   3.4568    2.2  49.8 -176.1   0.1391   5.3 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    54.652600 723.052000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4684  35.3586    0.9  31.4 -177.1   4.1882  12.6    1.1	Her X-1                       
    299.6024  35.1898    0.6  29.9  107.0  10.7933  20.1    0.9	Cyg X-1                       
    308.0372  41.0191    3.3  27.1   89.3   1.6157   3.6    5.2	Cyg X-3                       
    326.0460  38.1499    9.3  36.9   69.7   0.9626   1.2   11.9	Cyg X-2                       
    323.9125  49.7196    2.7  26.9   58.0   1.7388   4.3 ------	UNKNOWN                       
     11.8191  50.3406    2.5  47.7   20.0   3.5185   4.5 ------	UNKNOWN                       
      7.9284  58.9267    2.3  39.9   14.1   2.4270   5.0 ------	UNKNOWN                       
    238.5063  18.9485    3.2  52.0 -166.9   3.2435   3.5 ------	UNKNOWN                       
     62.7588  54.5537    2.8  59.5  -15.5   9.8578   4.1 ------	UNKNOWN                       
    
    Plot creation:
    Sun Sep 11 22:45:51 EDT 2016