batgrbproduct Analysis for Trigger=559642

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jul  3 08:07:42 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger559642/batgroup_hand_proc
======================================================================

  Trigger: 00559642      Segment: 000

  BAT Trigger Time: 394445456   [s; MET]
      Trigger Stop: 394445520   [s; MET]
               UTC: 2013-07-02T08:10:45.257980    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 130.213125900579   Dec: -45.0658835153272  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.16
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.16

  Flight Position:   [ source = BAT ]
    RA: 130.213125900579   Dec: -45.0658835153272  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 130.183770911454   Dec: -45.0156425731937  [deg; J2000]  
        { 08h 40m 44.1s , -45d 00' 56.3" }
         +/- 3.18964795013421 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.58673251791683 [arcmin] (formal 1-sigma fit error)
    SNR: 5.80077309621852
 
  Angular difference between Flight and Ground position is 3.261262 arcmin
 
  Partial Coding Fraction: 0.546875    [ including projection effects ]

  Duration
     T90: 512 +/- 93.2952303175248
        Measured from: -47
                   to: 465     [s; relative to TRIGTIME]
     T50: 288 +/- 80
        Measured from: 49
                   to: 337     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 472.5     
                   to: 473.5     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -79     
                   to: 497     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.687876   1.980476   0.443249   0.097846
           0.207396   0.205026   0.189248   0.197647 [error]
 Peak     -0.003181   0.009235   0.006618  -0.002023
           0.006447   0.006441   0.005790   0.005854 [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 7.91e-07 8.11e-07 5.86e-07 6.79e-07 2.45e-06 2.87e-06   erg/cm2
              Error 1.05e-07 1.04e-07 1.48e-07 3.16e-07 3.49e-07 5.37e-07   erg/cm2
Peak flux Power-law 5.16e-02 3.95e-02 2.02e-02 1.49e-02 1.18e-01 1.26e-01   ph/cm2/s
              Error 7.20e-02 4.54e-02 3.26e-02 2.18e-01 1.35e-01 2.23e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.70e-07 9.27e-07 3.76e-07 3.66e-08 2.11e-06 2.11e-06   erg/cm2
              Error 1.14e-07 1.35e-07 2.02e-07 1.26e-07 3.37e-07 3.62e-07   erg/cm2
Peak flux Cutoff-PL 3.89e-02 7.17e-02 2.21e-03 1.29e-08 1.13e-01 1.13e-01   ph/cm2/s
              Error 6.29e-02 7.52e-02 3.49e-02 9.55e-03 1.16e-01 1.16e-01   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.469    0.237    -      -           4.30e-04 8.00e-05   64.040 57
CPL   0.834    1.214      23.2    0.0      5.28e-03 0.00e+00   57.830 56
 
The chi2 of BB fit is Chi-Squared Chi-Squared which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   10.000    0.000    -      -           1.31e-07 0.00e+00   49.570 57
CPL  -1.826    0.000      38.6    0.0      1.49e-01 0.00e+00   49.450 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  576.000  -79.000  497.000
T90   512.000  -47.000  465.000
T50   288.000   49.000  337.000
Peak    1.000  472.500  473.500
  • Click here for the BAT GCN circular template

    Image

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

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      130.1838   -45.0156   0.0331    24.4232    63.9003         1.1035358      5.801 TRIG_00559642                 
     
    Foreground time interval of the image:
    -18.499  72.901 (delta_t =  91.400 [sec])
    Background time interval of the image:
    

    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)

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from  -79.000 sec. to  497.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.46866     ( -0.227462   0.245609 )
    Norm@50keV  : 4.29517E-04    ( -7.96207e-05   8.03541e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.04 using 59 PHA bins.
    # Reduced chi-squared =          1.123 for     57 degrees of freedom 
    # Null hypothesis probability =   2.433044e-01
     
    Photon flux (15-150 keV)    in 576 sec: 8.27833E-02 ( -0.00911929  0.00912247 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.45374e-06 ( -3.41444e-07  3.57371e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -79.000 sec. to  497.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.834449     ( -1.52408   0.90484 )
    Epeak [keV] : 23.1826      (   )
    Norm@50keV  : 5.27575E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.83 using 59 PHA bins.
    # Reduced chi-squared =          1.033 for     56 degrees of freedom 
    # Null hypothesis probability =   4.073935e-01
     
    Photon flux (15-150 keV)    in 576 sec: 7.96964E-02 ( -0.0045558  0.009097 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.10547e-06 ( -3.06369e-07  3.67615e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -79.000 sec. to  497.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 5.00000   ( -6.69311   -5 )
    beta        : -2.83996    ( -0.439869   0.342262 )
    Epeak [keV] : 21.0075      ( -3.00535 2.53882 )
    Norm@50keV   : 364.530    ( -39.3644   706.263 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.45 using 59 PHA bins.
    # Reduced chi-squared =          1.026 for     55 degrees of freedom 
    # Null hypothesis probability =   4.205437e-01
     
    Photon flux (15-150 keV)    in 576 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]    : 6.94852  (-0.827064  0.93523)
    R^2/D10^2   : 0.162200  (-0.0663635   0.114963)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.26 using 59 PHA bins.
    # Reduced chi-squared =          1.127 for     57 degrees of freedom 
    # Null hypothesis probability =   2.373659e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.191e-07   1.453e-07
    25- 50  9.707e-07   1.662e-07
    50-150  1.566e-07   6.621e-08
    15-150  1.846e-06   3.050e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 30.2174       (-6.88567      9.80292)
    Norm        : 0.664922       (-0.14158     0.190571)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.26 using 59 PHA bins.
    # Reduced chi-squared =          1.022 for     57 degrees of freedom 
    # Null hypothesis probability =   4.289217e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.824e-07   1.155e-07
    25- 50  8.975e-07   1.325e-07
    50-150  4.962e-07   1.903e-07
    15-150  2.176e-06   3.522e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.41139        (-1.51      1.6812)
    R1^2/D10^2  : 0.682386        (-0.454552      2.82478)
    kT2 [keV]   : 10.9004        (-8.0057      8.00486)
    R2^2/D10^2  : 1.59312E-02    (-0.0148117   0.0633068)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.65 using 59 PHA bins.
    # Reduced chi-squared =          1.030 for     55 degrees of freedom 
    # Null hypothesis probability =   4.130856e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.907e-07   4.188e-07
    25- 50  9.021e-07   4.654e-07
    50-150  4.292e-07   2.581e-07
    15-150  2.122e-06   1.057e-06
    

    Peak spectrum fit

    Power-law model
    Time interval is from  472.500 sec. to  473.500 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 10.0000     (     )
    Norm@50keV  : 1.30612E-07    ( -1.30618e-07   -1.30618e-07 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.57 using 59 PHA bins.
    # Reduced chi-squared =         0.8697 for     57 degrees of freedom 
    # Null hypothesis probability =   7.470904e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.118127 ( -0.118127  0.15239 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.36185e-09 ( -7.36184e-09  1.30022e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  472.500 sec. to  473.500 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -1.82639     (     )
    Epeak [keV] : 38.6047      ( -42.4857 -42.4857 )
    Norm@50keV  : 0.149066    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.45 using 59 PHA bins.
    # Reduced chi-squared =         0.8831 for     56 degrees of freedom 
    # Null hypothesis probability =   7.193950e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.112785 ( -0.112785  0.119275 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.27245e-17 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from  472.500 sec. to  473.500 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.74699   ( -4.74699   -4.74699 )
    beta        : -9.19736    ( 9.19736   9.19736 )
    Epeak [keV] : 42.5051      (   )
    Norm@50keV   : 3.74802    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.57 using 59 PHA bins.
    # Reduced chi-squared =         0.9013 for     55 degrees of freedom 
    # Null hypothesis probability =   6.813811e-01
     
    Photon flux (15-150 keV)    in 1 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]    : 0.941224  (-9.80174  -9.80174)
    R^2/D10^2   : 7.48900E+05  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.02 using 59 PHA bins.
    # Reduced chi-squared =         0.8599 for     57 degrees of freedom 
    # Null hypothesis probability =   7.650569e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.301e-09   1.172e-09
    25- 50  3.145e-09   2.509e-09
    50-150  1.548e-09   1.785e-09
    15-150  5.994e-09   5.070e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 1.17503       (-66.9933      -66.9933)
    Norm        : 2.23283E+05       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
    # Reduced chi-squared =         0.8595 for     57 degrees of freedom 
    # Null hypothesis probability =   7.658863e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.572e-09   1.160e-09
    25- 50  2.452e-09   2.242e-09
    50-150  2.980e-09   4.048e-09
    15-150  7.004e-09   7.830e-09
    
    Double BB
    R1^2/D10^2  : 8.91497E+08        (      )
    kT2 [keV]   : 12.5464        (-12.511      -12.511)
    R2^2/D10^2  : 2.25898E-02    (   )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.69 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          47.47 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          47.39 using 59 PHA bins.
    # Reduced chi-squared =         0.8672 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8631 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8617 for     55 degrees of freedom 
    # Null hypothesis probability =   7.472054e-01
    # Null hypothesis probability =   7.546533e-01
    # Null hypothesis probability =   7.571440e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.196e-09   6.505e-10
    25- 50  2.496e-09   2.018e-09
    50-150  2.472e-09   3.735e-09
    15-150  6.165e-09   4.285e-09
    

    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: 2.82750     ( -0.376904   0.463622 )
    Norm@50keV  : 4.43017E-04    ( -0.000161559   0.00018283 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.56 using 59 PHA bins.
    # Reduced chi-squared =          1.220 for     57 degrees of freedom 
    # Null hypothesis probability =   1.228424e-01
     
    Photon flux (15-150 keV)    in 91.4 sec: 0.107925 ( -0.021828  0.0223352 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.53624e-07 ( -1.13941e-07  1.24926e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.65554     ( -6.3547   2.66553 )
    Epeak [keV] : 25.6779      ( -3.49082 3.42091 )
    Norm@50keV  : 86.4146    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.14 using 59 PHA bins.
    # Reduced chi-squared =         0.9133 for     56 degrees of freedom 
    # Null hypothesis probability =   6.588478e-01
     
    Photon flux (15-150 keV)    in 91.4 sec: 0.112972 ( -0.020819  0.020891 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.17786e-07 ( -8.30899e-08  8.71664e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -4.49235   ( 1.96685   4.49235 )
    beta        : -2.83570    ( -0.4466   0.393901 )
    Epeak [keV] : 33.4491      ( -33.4491 -33.4491 )
    Norm@50keV   : 5.97986E-02    ( -0.0220809   0.0247282 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.56 using 59 PHA bins.
    # Reduced chi-squared =          1.265 for     55 degrees of freedom 
    # Null hypothesis probability =   8.943440e-02
     
    Photon flux (15-150 keV)    in 91.4 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)  = 8.11498e-07
    S(50-100 keV) = 5.86466e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 512 sec.
    Hardness ratio (energy fluence ratio) = 0.722696
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.736818
    Count Ratio (50-100 keV) / (15-25 keV) = 0.164907
    

    Mask shadow pattern

    IMX = 1.997782300080999E-01, IMY = -4.078030603721801E-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:
     
    

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

    Time interval of the image:
    -18.499400 72.900590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5347 -40.5728    1.4  25.3   49.9   1.5328   8.3    1.1	Vela X-1                      
    130.1838 -45.0156    2.0  24.4   63.9   1.1037   5.8 ------	UNKNOWN                       
     51.5669  -8.1166    2.8  58.2 -162.5   3.0170   4.1 ------	UNKNOWN                       
     52.3004  -5.4201    3.5  58.8 -159.3   2.9407   3.3 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    118.900590 963.167000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5198 -40.5494    0.4   5.9  -19.5  17.4613  30.1    0.5	Vela X-1                      
    169.9278 -60.6628    0.0  28.0   75.8   2.7867   2.4   11.7	Cen X-3                       
    186.6817 -62.7533    1.3  36.1   77.3  14.7751   9.0    1.2	GX 301-2                      
    185.2780 -39.6971    3.1  40.2   40.2   5.1872   3.7 ------	UNKNOWN                       
    163.1676 -29.7395    5.9  30.0    8.4   1.4398   2.0 ------	UNKNOWN                       
    130.1781 -45.0492    2.1   0.0 -174.5   3.3964   5.6 ------	UNKNOWN                       
     52.0999 -36.8582    2.9  57.2 -173.7  13.6261   3.9 ------	UNKNOWN                       
    156.1915 -18.5316    2.6  34.2  -14.7   3.2607   4.5 ------	UNKNOWN                       
    121.6976 -20.7227    3.4  25.3  -81.2   2.7226   3.4 ------	UNKNOWN                       
    168.1688   4.0103    3.6  59.6  -17.0  14.3824   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Wed Jul  3 08:38:52 EDT 2013