batgrbproduct Analysis for Trigger=416135

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jan 17 19:13:38 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger416135
======================================================================

  Trigger: 00416135      Segment: 000

  BAT Trigger Time: 290436296   [s; MET]
      Trigger Stop: 290436360   [s; MET]
               UTC: 2010-03-16T12:44:50.380880    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 107.615363831075   Dec: -56.2780007185453  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.83
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.83

  Flight Position:   [ source = BAT ]
    RA: 107.615363831075   Dec: -56.2780007185453  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 107.621567418663   Dec: -56.2775237906047  [deg; J2000]  
        { 07h 10m 29.2s , -56d 16' 39.1" }
         +/- 2.8120274659049 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.27787622777082 [arcmin] (formal 1-sigma fit error)
    SNR: 6.94483398072056
 
  Angular difference between Flight and Ground position is 0.208614 arcmin
 
  Partial Coding Fraction: 0.8515625    [ including projection effects ]

  Duration
     T90: 521.879999935627 +/- 439.62352011198
        Measured from: 269.847999989986
                   to: 791.727999925613     [s; relative to TRIGTIME]
     T50: 89.7919999957085 +/- 643.790846848122
        Measured from: 454.371999979019
                   to: 544.163999974728     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -104.040000021458     
                   to: -103.040000021458     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -158.967999994755     
                   to: 794.772000014782     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.215291   2.664564   1.030558   0.027885
           0.167718   0.170220   0.146831   0.128306 [error]
 Peak      0.009423   0.023479   0.017168   0.008848
           0.008573   0.009335   0.008249   0.006878 [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 9.77e-07 1.07e-06 8.33e-07 1.07e-06 3.28e-06 3.95e-06   erg/cm2
              Error 9.94e-08 8.39e-08 1.30e-07 3.21e-07 2.93e-07 4.83e-07   erg/cm2
Peak flux Power-law 1.37e-01 1.41e-01 1.02e-01 1.18e-01 4.27e-01 4.99e-01   ph/cm2/s
              Error 1.21e-01 1.09e-01 8.26e-02 1.83e-01 2.23e-01 2.56e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.46e-07 1.12e-06 7.80e-07 4.24e-07 3.10e-06 3.27e-06   erg/cm2
              Error 1.08e-07 1.09e-07 -------- 6.33e-07 3.55e-07 7.09e-07   erg/cm2
Peak flux Cutoff-PL 1.41e-01 1.42e-01 1.01e-01 1.14e-01 4.28e-01 4.99e-01   ph/cm2/s
              Error 1.36e-01 1.10e-01 6.83e-02 1.97e-01 2.23e-01 2.53e-01   ph/cm2/s
 
Fluence        Band 9.36e-07 1.12e-06 7.64e-07 7.45e-07 3.14e-06 3.58e-06   erg/cm2
              Error 1.12e-07 -------- -------- -------- -------- --------   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    2.359    0.162    -      -           3.56e-04 3.98e-05   63.590 57
CPL   2.348    0.163    9999.4    0.0      3.59e-04 0.00e+00   63.610 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.466    1.046    -      -           3.45e-03 2.61e-03   52.130 57
CPL   1.464    0.000    9985.7    0.0      3.47e-03 0.00e+00   52.130 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  953.740 -158.968  794.772
T90   521.880  269.848  791.728
T50    89.792  454.372  544.164
Peak    1.000 -104.040 -103.040
  • Click here for the BAT GCN circular template
  • 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
      107.6216   -56.2775   0.0277    28.3985   -24.0963         0.7030134      6.945 TRIG_00416135                 
     
    Foreground time interval of the image:
     -3.499  73.701 (delta_t =  77.200 [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)

    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 -158.968 sec. to  794.772 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.35918     ( -0.157442   0.165905 )
    Norm@50keV  : 3.55563E-04    ( -4.01001e-05   3.95932e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.59 using 59 PHA bins.
    # Reduced chi-squared =          1.116 for     57 degrees of freedom 
    # Null hypothesis probability =   2.557299e-01
     
    Photon flux (15-150 keV)    in 953.7 sec: 6.42501E-02 ( -0.00478287  0.00478495 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.27848e-06 ( -2.90451e-07  2.96494e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from -158.968 sec. to  794.772 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.34807     ( -0.15017   0.175948 )
    Epeak [keV] : 9999.36      (   )
    Norm@50keV  : 3.58852E-04    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.61 using 59 PHA bins.
    # Reduced chi-squared =          1.136 for     56 degrees of freedom 
    # Null hypothesis probability =   2.261597e-01
     
    Photon flux (15-150 keV)    in 953.7 sec: 6.28617E-02 ( -0.005075  0.0050832 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.1047e-06 ( -3.43351e-07  3.67222e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from -158.968 sec. to  794.772 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.88332   ( -2.75843   1.91154 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 9.33628      ( -4.21577 18.9689 )
    Norm@50keV   : 6.90961E-04    ( -0.000176574   0.00129547 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.86 using 59 PHA bins.
    # Reduced chi-squared =          1.125 for     55 degrees of freedom 
    # Null hypothesis probability =   2.445061e-01
     
    Photon flux (15-150 keV)    in 953.7 sec: 6.30527E-02 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.14185e-06 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 7.89200  (-0.6892  0.758257)
    R^2/D10^2   : 7.08349E-02  (-0.0222306   0.0326883)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          94.10 using 59 PHA bins.
    # Reduced chi-squared =          1.651 for     57 degrees of freedom 
    # Null hypothesis probability =   1.443613e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.531e-07   8.793e-08
    25- 50  1.287e-06   1.159e-07
    50-150  3.231e-07   7.906e-08
    15-150  2.363e-06   2.112e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 38.7532       (-7.04205      9.31115)
    Norm        : 0.417231       (-0.0625168     0.0765609)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.39 using 59 PHA bins.
    # Reduced chi-squared =          1.112 for     57 degrees of freedom 
    # Null hypothesis probability =   2.613012e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.038e-07   9.866e-08
    25- 50  1.173e-06   9.918e-08
    50-150  8.760e-07   2.147e-07
    15-150  2.953e-06   2.842e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.89651        (-1.09901      1.10597)
    R1^2/D10^2  : 0.375828        (-0.202818      0.689643)
    kT2 [keV]   : 15.4489        (-3.70354      6.26044)
    R2^2/D10^2  : 3.07903E-03    (-0.00234683   0.00440823)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.25 using 59 PHA bins.
    # Reduced chi-squared =          1.132 for     55 degrees of freedom 
    # Null hypothesis probability =   2.339222e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.471e-07   3.306e-07
    25- 50  1.092e-06   3.411e-07
    50-150  9.981e-07   5.503e-07
    15-150  3.038e-06   1.083e-06
    

    Peak spectrum fit

    Power-law model
    Time interval is from -104.040 sec. to -103.040 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.46639     ( -1.0578   1.03377 )
    Norm@50keV  : 3.45002E-03    ( -0.00345002   0.0017674 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.13 using 59 PHA bins.
    # Reduced chi-squared =         0.9146 for     57 degrees of freedom 
    # Null hypothesis probability =   6.579152e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.426924 ( -0.222577  0.224205 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.2917e-08 ( -1.80997e-08  1.87679e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from -104.040 sec. to -103.040 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.46432     (     )
    Epeak [keV] : 9985.67      (   )
    Norm@50keV  : 3.46765E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.13 using 59 PHA bins.
    # Reduced chi-squared =         0.9309 for     56 degrees of freedom 
    # Null hypothesis probability =   6.220671e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.428036 ( -0.22389  0.221252 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.27753e-08 ( -3.27753e-08  1.87249e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from -104.040 sec. to -103.040 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.89054   ( -4.89054   -4.89054 )
    beta        : -1.81041    ( 1.81041   1.32994 )
    Epeak [keV] : 33.1918      ( -33.1918 38.6795 )
    Norm@50keV   : 57.8455    ( -29.103   5.52714e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.99 using 59 PHA bins.
    # Reduced chi-squared =         0.9453 for     55 degrees of freedom 
    # Null hypothesis probability =   5.902152e-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]    : 11.1055  (-5.50214  47.2893)
    R^2/D10^2   : 0.135711  (-0.131142   1.5172)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.00 using 59 PHA bins.
    # Reduced chi-squared =         0.9473 for     57 degrees of freedom 
    # Null hypothesis probability =   5.885091e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.504e-09   2.281e-09
    25- 50  1.003e-08   6.765e-09
    50-150  7.038e-09   6.115e-09
    15-150  2.057e-08   1.394e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (-199.363      -199.363)
    Norm        : 1.75527       (-0.893446     1.54187)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.24 using 59 PHA bins.
    # Reduced chi-squared =         0.9165 for     57 degrees of freedom 
    # Null hypothesis probability =   6.539210e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.371e-09   2.836e-09
    25- 50  8.408e-09   5.800e-09
    50-150  1.844e-08   1.301e-08
    15-150  3.122e-08   2.010e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.52160        (-7.53162      11.5424)
    R1^2/D10^2  : 0.451930        (-0.450899      -0.450899)
    kT2 [keV]   : 46.1623        (-46.1258      -46.1258)
    R2^2/D10^2  : 1.02569E-03    (-0.00102775   0.250532)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.41 using 59 PHA bins.
    # Reduced chi-squared =         0.9347 for     55 degrees of freedom 
    # Null hypothesis probability =   6.125557e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.653e-09   2.892e-09
    25- 50  8.697e-09   6.180e-09
    50-150  2.174e-08   1.162e-08
    15-150  3.509e-08   1.663e-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: 2.23130     ( -0.348417   0.391594 )
    Norm@50keV  : 4.97183E-04    ( -0.000136465   0.000132722 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.41 using 59 PHA bins.
    # Reduced chi-squared =         0.9370 for     57 degrees of freedom 
    # Null hypothesis probability =   6.105294e-01
     
    Photon flux (15-150 keV)    in 77.2 sec: 8.36885E-02 ( -0.015308  0.0153089 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.62546e-07 ( -8.21115e-08  8.63752e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.68803     ( -3.02131   0.36385 )
    Epeak [keV] : 20.1875      (   )
    Norm@50keV  : 1.11605E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.14 using 59 PHA bins.
    # Reduced chi-squared =         0.9489 for     56 degrees of freedom 
    # Null hypothesis probability =   5.839600e-01
     
    Photon flux (15-150 keV)    in 77.2 sec: 8.23512E-02 ( -0.015741  0.0158541 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.35895e-07 ( -9.693e-08  1.07854e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.70445   ( -4.70445   -4.70445 )
    beta        : -2.64158    ( -0.859513   0.536932 )
    Epeak [keV] : 23.4394      ( -5.43886 4.74953 )
    Norm@50keV   : 96.9940    ( -17.5084   1.0429e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.33 using 59 PHA bins.
    # Reduced chi-squared =         0.9332 for     55 degrees of freedom 
    # Null hypothesis probability =   6.157868e-01
     
    Photon flux (15-150 keV)    in 77.2 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)  = 1.07e-06
    S(50-100 keV) = 8.33e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 521.879999935627 sec.
    Hardness ratio (energy fluence ratio) = 0.778505
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.828716
    Count Ratio (50-100 keV) / (15-25 keV) = 0.320518
    

    Mask shadow pattern

    IMX = 4.935501115879957E-01, IMY = 2.207369702498418E-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:
    -3.499400 73.700590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5193 -40.5534    0.5  25.6   30.1   2.1817  22.6    0.4	Vela X-1                      
    170.0118 -60.4729    0.0   3.8 -174.5   0.0649   0.7   12.7	Cen X-3                       
    186.6294 -62.7559    0.7  11.9 -162.4   1.3952  16.3    1.1	GX 301-2                      
    264.7295 -44.3060    5.6  58.1 -152.3  -1.3507  -2.2    8.7	4U 1735-44                    
    123.3855 -17.8292    2.8  50.5   32.1   1.8567   4.2 ------	UNKNOWN                       
    107.6215 -56.2776    1.6  28.4  -24.1   0.7031   7.0 ------	UNKNOWN                       
    104.4637 -57.7335    2.2  29.2  -28.5   0.5389   5.3 ------	UNKNOWN                       
    333.9008 -78.8780    2.9  41.2  -99.3   1.9600   4.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    126.300600 738.300590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5287 -40.5473    0.4  24.0   80.2  11.8794  26.9    0.4	Vela X-1                      
    170.3913 -60.4918  492.7  31.9  143.2  -0.0123  -0.0    8.2	Cen X-3                       
    186.6444 -62.7475    1.1  38.0  152.3   8.0238  10.6    1.4	GX 301-2                      
    150.0860 -32.5052    3.5  37.6   88.2   3.4494   3.3 ------	UNKNOWN                       
    128.7558 -34.7099    2.4  25.9   61.9   2.0429   4.8 ------	UNKNOWN                       
    107.6993 -56.2623    1.0   0.0  111.2   4.0086  11.7 ------	UNKNOWN                       
    356.3804 -65.1750    2.7  47.9 -129.0   7.8780   4.2 ------	UNKNOWN                       
    
    Plot creation:
    Thu Nov 12 16:38:22 EST 2015