batgrbproduct Analysis for Trigger=412217

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jan 17 19:52:10 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger412217
======================================================================

  Trigger: 00412217      Segment: 000

  BAT Trigger Time: 287792873.74   [s; MET]
      Trigger Stop: 287792873.804   [s; MET]
               UTC: 2010-02-13T22:27:48.212320    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 349.428219015384   Dec: 43.3834539169845  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.01
     Image Trigger?:     NO
     Rate S/N Ratio:     12.1655250605964  [ if not an image trigger ]
     Image S/N Ratio:    7.01

  Flight Position:   [ source = BAT ]
    RA: 349.428219015384   Dec: 43.3834539169845  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 349.375576883238   Dec: 43.3713184050059  [deg; J2000]  
        { 23h 17m 30.1s , +43d 22' 16.7" }
         +/- 1.38999449337775 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.392826952452956 [arcmin] (formal 1-sigma fit error)
    SNR: 19.0026417286463
 
  Angular difference between Flight and Ground position is 2.408464 arcmin
 
  Partial Coding Fraction: 0.59375    [ including projection effects ]

  Duration
     T90: 2.21599996089935 +/- 0.257619864022535
        Measured from: -0.164000034332275
                   to: 2.05199992656708     [s; relative to TRIGTIME]
     T50: 1.17199993133545 +/- 0.808240031162311
        Measured from: 0.236000001430511
                   to: 1.40799993276596     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.01199996471405     
                   to: 2.01199996471405     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.392000019550323     
                   to: 2.1599999666214     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.102529   0.138211   0.137618   0.031417
           0.010741   0.011396   0.010837   0.009050 [error]
 Peak      0.067764   0.091624   0.089674   0.012491
           0.007078   0.007722   0.007469   0.006007 [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 2.85e-08 5.95e-08 9.72e-08 3.57e-07 2.68e-07 5.42e-07   erg/cm2
              Error 4.22e-09 5.39e-09 1.02e-08 8.12e-08 2.55e-08 8.86e-08   erg/cm2
Peak flux Power-law 6.18e-01 6.87e-01 5.46e-01 7.17e-01 2.12e+00 2.57e+00   ph/cm2/s
              Error 9.20e-02 6.44e-02 5.88e-02 1.57e-01 1.85e-01 2.36e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.62e-08 6.22e-08 1.01e-07 1.91e-07 2.61e-07 3.81e-07   erg/cm2
              Error 5.00e-09 6.35e-09 1.15e-08 1.44e-07 2.72e-08 1.48e-07   erg/cm2
Peak flux Cutoff-PL 5.51e-01 7.28e-01 5.79e-01 3.77e-01 2.07e+00 2.23e+00   ph/cm2/s
              Error 1.10e-01 7.65e-02 6.87e-02 2.33e-01 1.90e-01 2.97e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 5.59e-01 7.21e-01 5.77e-01 4.23e-01 2.08e+00 2.29e+00   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    1.294    0.143    -      -           1.06e-02 8.94e-04   61.900 57
CPL   0.842    0.548     134.7  -42.6      1.76e-02 1.15e-02   59.720 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.333    0.144    -      -           1.76e-02 1.55e-03   64.950 57
CPL   0.713    0.606     106.8  223.5      3.58e-02 2.70e-02   61.400 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: 1.984000 sec.
T50 in the 50-300 keV band: 0.768000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    2.552   -0.392    2.160
T90     2.216   -0.164    2.052
T50     1.172    0.236    1.408
Peak    1.000    1.012    2.012
  • 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
      349.3756    43.3713   0.0101    24.5953   -91.8839         0.4085600     19.003 TRIG_00412217                 
     
    Foreground time interval of the image:
     -0.392   2.160 (delta_t =   2.552 [sec])
    Background time interval of the image:
    -239.740  -0.392 (delta_t = 239.348 [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   -0.392 sec. to    2.160 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.29353     ( -0.142678   0.142544 )
    Norm@50keV  : 1.06286E-02    ( -0.000895389   0.000893371 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.90 using 59 PHA bins.
    # Reduced chi-squared =          1.086 for     57 degrees of freedom 
    # Null hypothesis probability =   3.057006e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.26652 ( -0.107441  0.107534 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.6846e-07 ( -2.53962e-08  2.5595e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.392 sec. to    2.160 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.842173     ( -0.591444   0.503998 )
    Epeak [keV] : 134.749      ( -49.4951 -134.749 )
    Norm@50keV  : 1.76259E-02    ( -0.00735427   0.0156527 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.72 using 59 PHA bins.
    # Reduced chi-squared =          1.066 for     56 degrees of freedom 
    # Null hypothesis probability =   3.422513e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.24393 ( -0.11076  0.11065 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.60934e-07 ( -2.72472e-08  2.72375e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.392 sec. to    2.160 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.842751   ( -0.366023   0.781176 )
    beta        : -10.0000    ( 10   7.10543e-15 )
    Epeak [keV] : 134.842      ( -47.3535 -134.842 )
    Norm@50keV   : 1.76134E-02    ( -0.00734348   0.0156701 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.72 using 59 PHA bins.
    # Reduced chi-squared =          1.086 for     55 degrees of freedom 
    # Null hypothesis probability =   3.083395e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.25339 (    ) 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]    : 17.8640  (-1.93811  2.19072)
    R^2/D10^2   : 8.32288E-02  (-0.0265393   0.0388709)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          86.80 using 59 PHA bins.
    # Reduced chi-squared =          1.523 for     57 degrees of freedom 
    # Null hypothesis probability =   6.677160e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.360e-08   2.322e-09
    25- 50  6.256e-08   7.784e-09
    50-150  1.446e-07   2.222e-08
    15-150  2.208e-07   2.412e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 5.21468       (-0.439275     0.439256)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.92 using 59 PHA bins.
    # Reduced chi-squared =          1.209 for     57 degrees of freedom 
    # Null hypothesis probability =   1.338292e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.314e-08   4.211e-09
    25- 50  6.374e-08   1.696e-08
    50-150  1.398e-07   7.079e-08
    15-150  2.367e-07   7.077e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.61809        (-1.6076      2.03545)
    R1^2/D10^2  : 1.28469        (-0.757218      2.21501)
    kT2 [keV]   : 26.2122        (-4.47566      7.35943)
    R2^2/D10^2  : 1.96622E-02    (-0.0112667   0.0241579)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.57 using 59 PHA bins.
    # Reduced chi-squared =          1.029 for     55 degrees of freedom 
    # Null hypothesis probability =   4.161595e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.752e-08   1.222e-08
    25- 50  6.047e-08   1.977e-08
    50-150  1.749e-07   6.647e-08
    15-150  2.629e-07   8.559e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.012 sec. to    2.012 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.33261     ( -0.144046   0.144909 )
    Norm@50keV  : 1.76342E-02    ( -0.00155481   0.00155066 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.95 using 59 PHA bins.
    # Reduced chi-squared =          1.140 for     57 degrees of freedom 
    # Null hypothesis probability =   2.193059e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.11697 ( -0.185026  0.185117 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.72913e-07 ( -1.71541e-08  1.72985e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.012 sec. to    2.012 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.712934     ( -0.645938   0.565095 )
    Epeak [keV] : 106.750      ( -31.4806 415.43 )
    Norm@50keV  : 3.58361E-02    ( -0.0167576   0.0371979 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.40 using 59 PHA bins.
    # Reduced chi-squared =          1.096 for     56 degrees of freedom 
    # Null hypothesis probability =   2.887643e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.07178 ( -0.19006  0.18983 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.66252e-07 ( -1.8444e-08  1.8504e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.012 sec. to    2.012 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.713195   ( -0.273275   0.665773 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 106.760      ( -23.6084 411.387 )
    Norm@50keV   : 3.58238E-02    ( -0.0167294   0.0372374 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.40 using 59 PHA bins.
    # Reduced chi-squared =          1.116 for     55 degrees of freedom 
    # Null hypothesis probability =   2.575900e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.08345 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.66228e-07 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 16.8653  (-1.80124  2.02316)
    R^2/D10^2   : 0.170146  (-0.0538993   0.0785966)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          82.96 using 59 PHA bins.
    # Reduced chi-squared =          1.455 for     57 degrees of freedom 
    # Null hypothesis probability =   1.399596e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.878e-09   1.701e-09
    25- 50  4.343e-08   5.270e-09
    50-150  8.797e-08   1.531e-08
    15-150  1.413e-07   1.770e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 8.64918       (-0.758614     0.758616)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.57 using 59 PHA bins.
    # Reduced chi-squared =          1.203 for     57 degrees of freedom 
    # Null hypothesis probability =   1.402623e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.166e-08   2.415e-09
    25- 50  4.167e-08   1.205e-08
    50-150  9.140e-08   4.109e-08
    15-150  1.547e-07   5.365e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.54883        (-1.91401      2.50068)
    R1^2/D10^2  : 2.10778        (-1.34445      5.18852)
    kT2 [keV]   : 24.0113        (-4.21787      7.58217)
    R2^2/D10^2  : 4.31441E-02    (-0.0274402   0.0370173)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.77 using 59 PHA bins.
    # Reduced chi-squared =          1.087 for     55 degrees of freedom 
    # Null hypothesis probability =   3.066839e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.789e-08   8.527e-09
    25- 50  4.068e-08   1.452e-08
    50-150  1.074e-07   4.175e-08
    15-150  1.660e-07   6.495e-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: 1.29353     ( -0.142678   0.142544 )
    Norm@50keV  : 1.06286E-02    ( -0.000895389   0.000893371 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.90 using 59 PHA bins.
    # Reduced chi-squared =          1.086 for     57 degrees of freedom 
    # Null hypothesis probability =   3.057006e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.26652 ( -0.107441  0.107534 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.6846e-07 ( -2.53962e-08  2.5595e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.842173     ( -0.591444   0.503998 )
    Epeak [keV] : 134.749      ( -49.4951 -134.749 )
    Norm@50keV  : 1.76259E-02    ( -0.00735427   0.0156527 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.72 using 59 PHA bins.
    # Reduced chi-squared =          1.066 for     56 degrees of freedom 
    # Null hypothesis probability =   3.422513e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.24393 ( -0.11076  0.11065 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.60934e-07 ( -2.72472e-08  2.72375e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.842751   ( -0.366023   0.781176 )
    beta        : -10.0000    ( 10   7.10543e-15 )
    Epeak [keV] : 134.842      ( -47.3535 -134.842 )
    Norm@50keV   : 1.76134E-02    ( -0.00734348   0.0156701 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.72 using 59 PHA bins.
    # Reduced chi-squared =          1.086 for     55 degrees of freedom 
    # Null hypothesis probability =   3.083395e-01
     
    Photon flux (15-150 keV)    in 2.552 sec: 1.25339 (    ) 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)  = 5.95e-08
    S(50-100 keV) = 9.72e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 2.21599996089935 sec.
    Hardness ratio (energy fluence ratio) = 1.63361
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.34802
    Count Ratio (50-100 keV) / (15-25 keV) = 1.34223
    

    Mask shadow pattern

    IMX = -1.504800972880541E-02, IMY = 4.574892327589972E-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:
    -239.740000 -0.392000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    308.0571  41.0946   13.5  45.2  -50.7   0.5298   0.9    8.9	Cyg X-3                       
    326.1714  38.3318  408.7  38.8  -69.7  -0.0135  -0.0    0.6	Cyg X-2                       
    256.1941  76.4150    2.8  37.2   13.5   1.0017   4.1 ------	UNKNOWN                       
    265.6416  48.1934    2.5  57.5  -14.3   3.8025   4.6 ------	UNKNOWN                       
     14.2221   7.6458    3.2  54.0 -143.2   3.9474   3.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.392000 2.160000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    308.0173  41.0993    4.5  45.2  -50.6   0.1465   2.6    9.8	Cyg X-3                       
    326.1258  38.1789    3.0  39.0  -69.8   0.1635   3.9    8.8	Cyg X-2                       
    273.2644  53.4350    2.2  50.4  -15.6   0.1914   5.1 ------	UNKNOWN                       
    349.3756  43.3713    0.6  24.6  -91.9   0.4085  19.0 ------	UNKNOWN                       
    287.3277  49.9631    2.7  47.7  -27.5   0.1542   4.3 ------	UNKNOWN                       
      9.1287  22.5790    3.0  39.4 -135.0   0.1100   3.8 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    56.960600 364.260590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.5729  35.2063    0.6  38.8  -19.6   5.1028  19.8    0.9	Cyg X-1                       
    308.0998  40.9725    1.1  30.4  -14.9   2.2271  10.5    1.3	Cyg X-3                       
    325.9872  38.2019    7.9  18.4  -33.2   0.2829   1.5   11.3	Cyg X-2                       
    299.5404  40.0444    2.1  36.8  -12.4   1.2786   5.5 ------	UNKNOWN                       
    293.0992  19.4464    3.2  52.5  -33.3   2.7764   3.7 ------	UNKNOWN                       
    338.8530   3.3534    3.8  41.1  -98.6   3.8033   3.1 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 02:12:09 EDT 2015