batgrbproduct Analysis for Trigger=213823

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 22 15:37:02 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger213823
======================================================================

  Trigger: 00213823      Segment: 000

  BAT Trigger Time: 171349934.592   [s; MET]
      Trigger Stop: 171349935.616   [s; MET]
               UTC: 2006-06-07T05:12:13.351500    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 329.711869958478   Dec: -22.5057942155925  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.77
     Image Trigger?:     NO
     Rate S/N Ratio:     32.6190128606002  [ if not an image trigger ]
     Image S/N Ratio:    14.77

  Flight Position:   [ source = BAT ]
    RA: 329.711869958478   Dec: -22.5057942155925  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 329.707777024863   Dec: -22.4962840417586  [deg; J2000]  
        { 21h 58m 49.9s , -22d 29' 46.6" }
         +/- 0.835024732101444 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.255878345470247 [arcmin] (formal 1-sigma fit error)
    SNR: 39.3528751236418
 
  Angular difference between Flight and Ground position is 0.614061 arcmin
 
  Partial Coding Fraction: 0.9921875    [ including projection effects ]

  Duration
     T90: 103.032000005245 +/- 28.06195686723
        Measured from: -7.21200001239777
                   to: 95.8199999928474     [s; relative to TRIGTIME]
     T50: 25.2439999878407 +/- 2.38332286908109
        Measured from: 1.60400000214577
                   to: 26.8479999899864     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.967999994754791     
                   to: 0.0320000052452087     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -23.6280000209808     
                   to: 102.252000004053     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.065426   1.533541   1.190820   0.278994
           0.050391   0.052550   0.046582   0.039896 [error]
 Peak      0.035444   0.064478   0.060752   0.020808
           0.004990   0.005590   0.005118   0.004126 [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 3.24e-07 6.17e-07 9.07e-07 2.86e-06 2.57e-06 4.71e-06   erg/cm2
              Error 2.42e-08 2.70e-08 4.63e-08 3.27e-07 1.13e-07 3.56e-07   erg/cm2
Peak flux Power-law 3.34e-01 4.32e-01 4.09e-01 6.86e-01 1.40e+00 1.86e+00   ph/cm2/s
              Error 5.99e-02 4.67e-02 4.06e-02 1.49e-01 1.27e-01 1.80e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.06e-07 6.32e-07 9.26e-07 1.86e-06 2.51e-06 3.73e-06   erg/cm2
              Error 2.98e-08 3.08e-08 5.05e-08 7.48e-07 1.27e-07 7.50e-07   erg/cm2
Peak flux Cutoff-PL 3.34e-01 4.33e-01 4.09e-01 6.79e-01 1.40e+00 1.85e+00   ph/cm2/s
              Error 6.31e-02 4.94e-02 4.62e-02 2.47e-01 1.31e-01 2.82e-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    1.444    0.073    -      -           2.13e-03 8.49e-05   43.580 57
CPL   1.147    0.293     149.8  597.7      2.96e-03 9.61e-04   40.370 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.078    0.157    -      -           1.21e-02 1.07e-03   31.870 57
CPL   1.072    0.478    9995.0    0.0      1.22e-02 6.59e-03   31.870 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: 99.328000 sec.
T50 in the 50-300 keV band: 22.016000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  125.880  -23.628  102.252
T90   103.032   -7.212   95.820
T50    25.244    1.604   26.848
Peak    1.000   -0.968    0.032
  • 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
      329.7078   -22.4963   0.0049    17.9464    -9.3044         2.3592734     39.353 TRIG_00213823                 
     
    Foreground time interval of the image:
    -23.628  15.109 (delta_t =  38.737 [sec])
    Background time interval of the image:
    -239.592 -23.628 (delta_t = 215.964 [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 1.024000
    

    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 1.024000
    

    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 1.024000
    

    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  -23.628 sec. to  102.252 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.44382     ( -0.0732599   0.0733218 )
    Norm@50keV  : 2.12799E-03    ( -8.49749e-05   8.49152e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.58 using 59 PHA bins.
    # Reduced chi-squared =         0.7646 for     57 degrees of freedom 
    # Null hypothesis probability =   9.045238e-01
     
    Photon flux (15-150 keV)    in 125.9 sec: 0.261852 ( -0.0108762  0.0108845 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.56669e-06 ( -1.12367e-07  1.12805e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -23.628 sec. to  102.252 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.14734     ( -0.302719   0.282897 )
    Epeak [keV] : 149.843      ( -50.709 1144.74 )
    Norm@50keV  : 2.95870E-03    ( -0.000776605   0.00114574 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.37 using 59 PHA bins.
    # Reduced chi-squared =         0.7209 for     56 degrees of freedom 
    # Null hypothesis probability =   9.426960e-01
     
    Photon flux (15-150 keV)    in 125.9 sec: 0.257085 ( -0.011726  0.011733 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.50787e-06 ( -1.26895e-07  1.26341e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -23.628 sec. to  102.252 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.14856   ( -0.535409   0.831591 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 150.051      ( -31.5414 1141.18 )
    Norm@50keV   : 2.95555E-03    ( -0.000773302   0.00114905 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.37 using 59 PHA bins.
    # Reduced chi-squared =         0.7340 for     55 degrees of freedom 
    # Null hypothesis probability =   9.302098e-01
     
    Photon flux (15-150 keV)    in 125.9 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]    : 16.1797  (  )
    R^2/D10^2   : 2.25270E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         160.89 using 59 PHA bins.
    # Reduced chi-squared =         2.8226 for     57 degrees of freedom 
    # Null hypothesis probability =   7.651107e-12
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.531e-07   1.265e-08
    25- 50  6.505e-07   3.280e-08
    50-150  1.195e-06   8.970e-08
    15-150  1.999e-06   9.443e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 1.07259       (-0.0431155     0.0431192)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8382 for     57 degrees of freedom 
    # Null hypothesis probability =   8.028839e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.381e-07   1.517e-08
    25- 50  6.505e-07   2.845e-08
    50-150  1.427e-06   6.106e-08
    15-150  2.415e-06   1.058e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.26273        (-1.0794      1.20138)
    R1^2/D10^2  : 0.218480        (-0.084503      0.160025)
    kT2 [keV]   : 26.8215        (-3.43781      5.15573)
    R2^2/D10^2  : 3.19896E-03    (-0.00148108   0.00209683)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          41.52 using 59 PHA bins.
    # Reduced chi-squared =         0.7549 for     55 degrees of freedom 
    # Null hypothesis probability =   9.104377e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.902e-07   4.488e-08
    25- 50  6.396e-07   6.723e-08
    50-150  1.564e-06   2.461e-07
    15-150  2.494e-06   3.040e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.968 sec. to    0.032 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.07759     ( -0.158922   0.155819 )
    Norm@50keV  : 1.21353E-02    ( -0.00107184   0.00107005 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          31.87 using 59 PHA bins.
    # Reduced chi-squared =         0.5591 for     57 degrees of freedom 
    # Null hypothesis probability =   9.971518e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.40472 ( -0.127009  0.12726 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.27798e-07 ( -1.24686e-08  1.2543e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.968 sec. to    0.032 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.07235     ( -0.568914   0.386777 )
    Epeak [keV] : 9995.02      (   )
    Norm@50keV  : 1.22030E-02    ( -0.00107225   0.0121089 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          31.87 using 59 PHA bins.
    # Reduced chi-squared =         0.5690 for     56 degrees of freedom 
    # Null hypothesis probability =   9.961140e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.40496 ( -0.13454  0.12649 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.27481e-07 ( -1.3146e-08  1.2826e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.968 sec. to    0.032 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.796442   ( 0.781473   0.781473 )
    beta        : -1.07952    ( 1.08367   0.164513 )
    Epeak [keV] : 90.0754      ( -97.9086 -97.9086 )
    Norm@50keV   : 2.05578E-02    ( -0.00977985   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          31.86 using 59 PHA bins.
    # Reduced chi-squared =         0.5793 for     55 degrees of freedom 
    # Null hypothesis probability =   9.947368e-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]    : 21.2046  (-2.53358  3.01113)
    R^2/D10^2   : 5.48456E-02  (-0.0187957   0.0276165)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.78 using 59 PHA bins.
    # Reduced chi-squared =          1.014 for     57 degrees of freedom 
    # Null hypothesis probability =   4.462427e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.639e-09   8.395e-10
    25- 50  2.399e-08   3.530e-09
    50-150  8.046e-08   1.235e-08
    15-150  1.091e-07   1.336e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 5.73426       (-0.522791     0.52276)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.87 using 59 PHA bins.
    # Reduced chi-squared =         0.9978 for     57 degrees of freedom 
    # Null hypothesis probability =   4.797723e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.428e-08   2.530e-09
    25- 50  2.747e-08   1.095e-08
    50-150  6.025e-08   3.191e-08
    15-150  1.020e-07   4.353e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.33981        (-2.53194      3.58986)
    R1^2/D10^2  : 0.907909        (-0.63328      3.2231)
    kT2 [keV]   : 32.4035        (-7.30043      22.0388)
    R2^2/D10^2  : 1.26351E-02    (-0.00995563   0.0167266)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          32.57 using 59 PHA bins.
    # Reduced chi-squared =         0.5922 for     55 degrees of freedom 
    # Null hypothesis probability =   9.930735e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.021e-08   4.776e-09
    25- 50  2.491e-08   9.629e-09
    50-150  9.253e-08   4.128e-08
    15-150  1.277e-07   4.790e-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: 1.34699     ( -0.0741416   0.0739748 )
    Norm@50keV  : 3.91565E-03    ( -0.000158798   0.000158756 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          39.93 using 59 PHA bins.
    # Reduced chi-squared =         0.7005 for     57 degrees of freedom 
    # Null hypothesis probability =   9.581643e-01
     
    Photon flux (15-150 keV)    in 38.74 sec: 0.471432 ( -0.0199757  0.0200082 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.48254e-06 ( -6.62535e-08  6.6491e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.10382     ( -0.304385   0.265528 )
    Epeak [keV] : 194.944      ( -79.9468 -194.944 )
    Norm@50keV  : 5.11833E-03    ( -0.00126447   0.00197311 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.81 using 59 PHA bins.
    # Reduced chi-squared =         0.6752 for     56 degrees of freedom 
    # Null hypothesis probability =   9.703236e-01
     
    Photon flux (15-150 keV)    in 38.74 sec: 0.464931 ( -0.021307  0.021315 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.45621e-06 ( -7.40864e-08  7.36176e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.389945   ( -0.600842   0.649219 )
    beta        : -1.45663    ( -1.46918   0.134745 )
    Epeak [keV] : 61.9805      ( -34.602 286.16 )
    Norm@50keV   : 1.45559E-02    ( -0.00919008   110.429 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          35.85 using 59 PHA bins.
    # Reduced chi-squared =         0.6519 for     55 degrees of freedom 
    # Null hypothesis probability =   9.787666e-01
     
    Photon flux (15-150 keV)    in 38.74 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)  = 6.17e-07
    S(50-100 keV) = 9.07e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 103.032000005245 sec.
    Hardness ratio (energy fluence ratio) = 1.47002
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.43937
    Count Ratio (50-100 keV) / (15-25 keV) = 1.11769
    

    Mask shadow pattern

    IMX = 3.196239141052718E-01, IMY = 5.236545093759146E-02
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    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:
    -239.592000 -23.628000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    288.7982  10.9099    3.3  37.3  130.7   1.2280   3.5    2.1	GRS 1915+105                  
    299.5626  35.2038    1.0  46.5  168.0   4.0633  11.5    1.4	Cyg X-1                       
    308.0766  40.9971    4.9  48.8  179.6   0.7166   2.3    3.1	Cyg X-3                       
    325.9712  38.4338   10.1  44.6 -162.1  -0.3118  -1.1   11.6	Cyg X-2                       
    

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

    Time interval of the image:
    -23.628000 15.108600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    288.8520  10.9959   11.2  37.3  130.9   0.1362   1.0    4.4	GRS 1915+105                  
    299.6126  35.2006   14.8  46.4  168.1  -0.1073  -0.8    1.1	Cyg X-1                       
    308.0713  40.9830    4.2  48.8  179.6  -0.4010  -2.7    2.5	Cyg X-3                       
    326.0079  38.3509    8.7  44.6 -162.0   0.1465   1.3    7.9	Cyg X-2                       
    296.5371   9.8991    2.3  30.1  135.6   0.4307   4.9 ------	UNKNOWN                       
    309.1658 -36.6919    2.2  32.9   33.2   0.5000   5.3 ------	UNKNOWN                       
    329.7078 -22.4963    0.3  17.9   -9.3   2.3592  39.4 ------	UNKNOWN                       
    341.7371  13.5561    2.8  27.6 -121.7   0.3081   4.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    54.508600 962.478700
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    359.4347  11.5653    3.6  44.8 -119.9   6.1565   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 12:50:08 EDT 2015