batgrbproduct Analysis for Trigger=572489

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Oct 18 17:42:04 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger572489/heasarc_download
======================================================================

  Trigger: 00572489      Segment: 000

  BAT Trigger Time: 402260984   [s; MET]
      Trigger Stop: 402261360   [s; MET]
               UTC: 2013-09-30T19:09:32.904720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 190.660904661931   Dec: -35.5024551831994  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.62
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.62

  Flight Position:   [ source = BAT ]
    RA: 190.660904661931   Dec: -35.5024551831994  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 190.595730294031   Dec: -35.5338540843881  [deg; J2000]  
        { 12h 42m 23.0s , -35d 32' 01.9" }
         +/- 3.90521652825267 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.54187774285834 [arcmin] (formal 1-sigma fit error)
    SNR: 4.34421256617486
 
  Angular difference between Flight and Ground position is 3.698612 arcmin
 
  Partial Coding Fraction: 0.8671875    [ including projection effects ]

  Duration
     T90: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]
     T50: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 376 second)
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.547474   0.695474   0.364865  -0.104858
           0.109551   0.105625   0.091847   0.080746 [error]
 Peak      0.547474   0.695474   0.364865  -0.104858
           0.109551   0.105625   0.091847   0.080746 [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 1.86e-07 2.58e-07 2.65e-07 4.97e-07 8.67e-07 1.21e-06   erg/cm2
              Error 4.41e-08 4.70e-08 8.16e-08 2.98e-07 1.92e-07 3.94e-07   erg/cm2
Peak flux Power-law 1.61e-02 1.23e-02 6.33e-03 4.68e-03 3.69e-02 3.94e-02   ph/cm2/s
              Error 3.89e-03 2.22e-03 1.89e-03 2.61e-03 6.61e-03 7.23e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.69e-07 2.99e-07 2.51e-07 8.95e-08 7.86e-07 8.09e-07   erg/cm2
              Error 4.93e-08 6.39e-08 1.01e-07 2.49e-07 1.94e-07 3.20e-07   erg/cm2
Peak flux Cutoff-PL 1.45e-02 1.42e-02 6.20e-03 1.15e-03 3.58e-02 3.60e-02   ph/cm2/s
              Error 4.37e-03 2.98e-03 2.32e-03 2.42e-03 6.61e-03 6.87e-03   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 1.47e-02 3.69e-02 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 7.17e-03 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    1.962    0.322    -      -           2.50e-04 5.74e-05   56.530 57
CPL   0.758    1.437      42.7   49.8      1.26e-03 6.29e-03   53.580 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.962    0.322    -      -           2.50e-04 5.74e-05   56.530 57
CPL   0.758    1.437      42.7   49.8      1.26e-03 6.29e-03   53.580 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  376.000    0.000  376.000
T90   376.000    0.000  376.000
T50   376.000    0.000  376.000
Peak  376.000    0.000  376.000
  • Click here for the BAT GCN circular template

    Image

    Pre-slew 15-350 keV image (Event data; bkg subtracted)

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      190.5957 -35.5339 0.0444   14.6  -84.5       1.1756     4.3  TRIG_00572489       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000 376.000 (delta_t = 376.000 [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

    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)

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from    0.000 sec. to  376.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.96163     ( -0.306626   0.336472 )
    Norm@50keV  : 2.50319E-04    ( -5.81733e-05   5.66001e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.53 using 59 PHA bins.
    # Reduced chi-squared =         0.9918 for     57 degrees of freedom 
    # Null hypothesis probability =   4.925973e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.69007E-02 ( -0.00660541  0.00660548 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.66582e-07 ( -1.879e-07  1.96269e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to  376.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.757773     ( -1.67012   1.20377 )
    Epeak [keV] : 42.6898      ( -29.6319 69.872 )
    Norm@50keV  : 1.25728E-03    ( -0.00125728   0.0113204 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9568 for     56 degrees of freedom 
    # Null hypothesis probability =   5.670543e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.57973E-02 ( -0.0065912  0.0066325 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.86133e-07 ( -1.82608e-07  2.0498e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to  376.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.758475   ( -0.858841   1.53924 )
    beta        : -10.0000    ( 10   0 )
    Epeak [keV] : 42.6885      ( -16.7214 70.3029 )
    Norm@50keV   : 1.25593E-03    ( -0.00125593   0.0114049 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9742 for     55 degrees of freedom 
    # Null hypothesis probability =   5.290630e-01
     
    Photon flux (15-150 keV)    in 376 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]    : 10.1029  (-2.04229  2.55894)
    R^2/D10^2   : 1.70769E-02  (-0.00976122   0.0229178)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.23 using 59 PHA bins.
    # Reduced chi-squared =          1.022 for     57 degrees of freedom 
    # Null hypothesis probability =   4.298022e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.339e-07   4.465e-08
    25- 50  3.378e-07   1.065e-07
    50-150  1.816e-07   7.637e-08
    15-150  6.534e-07   2.022e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 66.8014       (-26.4763      60.6529)
    Norm        : 0.187667       (-0.0453896     0.0604699)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.09 using 59 PHA bins.
    # Reduced chi-squared =         0.9489 for     57 degrees of freedom 
    # Null hypothesis probability =   5.850661e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.801e-07   4.976e-08
    25- 50  2.828e-07   7.877e-08
    50-150  3.507e-07   2.185e-07
    15-150  8.136e-07   2.899e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.52843        (-2.50106      3.21259)
    R1^2/D10^2  : 0.101168        (-0.0811201      0.218881)
    kT2 [keV]   : 16.4998        (-13.3544      12.5513)
    R2^2/D10^2  : 1.89527E-03    (-0.00181531   0.00918712)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.67 using 59 PHA bins.
    # Reduced chi-squared =         0.9576 for     55 degrees of freedom 
    # Null hypothesis probability =   5.641430e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.758e-07   1.036e-07
    25- 50  2.849e-07   1.445e-07
    50-150  3.382e-07   1.874e-07
    15-150  7.990e-07   4.108e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to  376.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.96163     ( -0.306626   0.336472 )
    Norm@50keV  : 2.50319E-04    ( -5.81733e-05   5.66001e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.53 using 59 PHA bins.
    # Reduced chi-squared =         0.9918 for     57 degrees of freedom 
    # Null hypothesis probability =   4.925973e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.69007E-02 ( -0.00660541  0.00660548 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.66582e-07 ( -1.879e-07  1.96269e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to  376.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.757773     ( -1.67012   1.20377 )
    Epeak [keV] : 42.6898      ( -29.6319 69.872 )
    Norm@50keV  : 1.25728E-03    ( -0.00125728   0.0113204 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9568 for     56 degrees of freedom 
    # Null hypothesis probability =   5.670543e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.57973E-02 ( -0.0065912  0.0066325 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.86133e-07 ( -1.82608e-07  2.0498e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to  376.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.758475   ( -0.858841   1.53924 )
    beta        : -10.0000    ( 10   1.77636e-15 )
    Epeak [keV] : 42.6885      ( -16.7217 70.3031 )
    Norm@50keV   : 1.25593E-03    ( -0.00125593   0.0114049 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9742 for     55 degrees of freedom 
    # Null hypothesis probability =   5.290630e-01
     
    Photon flux (15-150 keV)    in 376 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]    : 10.1029  (-2.04229  2.55894)
    R^2/D10^2   : 1.70769E-02  (-0.00976122   0.0229178)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.23 using 59 PHA bins.
    # Reduced chi-squared =          1.022 for     57 degrees of freedom 
    # Null hypothesis probability =   4.298022e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.339e-07   4.845e-08
    25- 50  3.378e-07   1.004e-07
    50-150  1.816e-07   8.118e-08
    15-150  6.534e-07   1.901e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 66.8014       (-26.4763      60.6529)
    Norm        : 0.187667       (-0.0453896     0.0604699)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.09 using 59 PHA bins.
    # Reduced chi-squared =         0.9489 for     57 degrees of freedom 
    # Null hypothesis probability =   5.850661e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.801e-07   4.582e-08
    25- 50  2.828e-07   7.800e-08
    50-150  3.507e-07   2.198e-07
    15-150  8.136e-07   3.148e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.52843        (-2.50106      3.21259)
    R1^2/D10^2  : 0.101168        (-0.0811201      0.236581)
    kT2 [keV]   : 16.4998        (-13.3544      12.5513)
    R2^2/D10^2  : 1.89527E-03    (-0.00181531   0.00918712)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.67 using 59 PHA bins.
    # Reduced chi-squared =         0.9576 for     55 degrees of freedom 
    # Null hypothesis probability =   5.641430e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.758e-07   9.949e-08
    25- 50  2.849e-07   1.493e-07
    50-150  3.382e-07   1.983e-07
    15-150  7.990e-07   4.241e-07
    

    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: 1.96163     ( -0.306626   0.336472 )
    Norm@50keV  : 2.50319E-04    ( -5.81733e-05   5.66001e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.53 using 59 PHA bins.
    # Reduced chi-squared =         0.9918 for     57 degrees of freedom 
    # Null hypothesis probability =   4.925973e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.69007E-02 ( -0.00660541  0.00660548 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.66582e-07 ( -1.879e-07  1.96269e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.757773     ( -1.67012   1.20377 )
    Epeak [keV] : 42.6898      ( -29.6319 69.872 )
    Norm@50keV  : 1.25728E-03    ( -0.00125728   0.0113204 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9568 for     56 degrees of freedom 
    # Null hypothesis probability =   5.670543e-01
     
    Photon flux (15-150 keV)    in 376 sec: 3.57973E-02 ( -0.0065912  0.0066325 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.86133e-07 ( -1.82608e-07  2.0498e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.758475   ( -0.858841   1.53924 )
    beta        : -10.0000    ( 10   1.06581e-14 )
    Epeak [keV] : 42.6885      ( -16.721 70.3027 )
    Norm@50keV   : 1.25593E-03    ( -0.00125593   0.0114049 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9742 for     55 degrees of freedom 
    # Null hypothesis probability =   5.290630e-01
     
    Photon flux (15-150 keV)    in 376 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)  = 2.57843e-07
    S(50-100 keV) = 2.64824e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 376 sec.
    Hardness ratio (energy fluence ratio) = 1.02707
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.27033
    Count Ratio (50-100 keV) / (15-25 keV) = 0.666452
    

    Mask shadow pattern

    IMX = 2.476872011122637E-02, IMY = 2.595720980826888E-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:
     
    

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

    Time interval of the image:
    0.000000 376.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5628 -40.5204    1.8  42.6 -167.7   3.1106   6.5    2.6	Vela X-1                      
    170.0293 -60.7697    0.0  18.5  156.9   0.5965   2.1   12.2	Cen X-3                       
    187.0179 -62.8061    5.9  14.2  131.5   0.5548   2.0   10.1	GX 301-2                      
    244.9845 -15.6315    0.7  51.9    1.0  14.5230  17.4    0.6	Sco X-1                       
    255.9849 -37.8432    0.6  43.5   32.0  13.0769  18.8    0.1	4U 1700-377                   
    256.2996 -36.3669    4.8  44.6   30.5   1.8735   2.4    7.4	GX 349+2                      
    264.6134 -44.3446  188.2  45.3   44.9  -0.0647  -0.1    8.4	4U 1735-44                    
    263.0829 -33.9635    6.0  50.4   32.6   2.6382   1.9    9.0	GX 354-0                      
    278.6805 -82.1567    2.4  40.0  101.9   5.6018   4.7 ------	UNKNOWN                       
    121.2571 -31.0494    3.7  57.6 -167.3   4.4039   3.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    -239.000000 963.064000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5516 -40.5396    1.4  42.6 -167.8   9.5169   8.2    1.4	Vela X-1                      
    170.1946 -60.7680    4.0  18.4  156.8   1.9199   2.9    9.4	Cen X-3                       
    187.0053 -62.7875   21.1  14.2  131.6   0.3583   0.5    9.6	GX 301-2                      
    244.9839 -15.6326    0.6  51.9    1.0  38.3437  21.1    0.5	Sco X-1                       
    255.9780 -37.8405    1.0  43.5   32.0  17.2905  11.3    0.5	4U 1700-377                   
    256.6005 -36.3805    4.5  44.8   30.7  -4.5252  -2.6    8.4	GX 349+2                      
    264.8424 -44.4620  159.5  45.4   45.1  -0.1725  -0.1    4.3	4U 1735-44                    
    262.8808 -33.7603    6.6  50.4   32.2   5.1401   1.7    7.0	GX 354-0                      
    190.6877 -35.5091    2.4  14.6  -84.2   3.1102   4.9 ------	UNKNOWN                       
    186.3258  -9.2619    2.2  41.1  -81.0  16.5567   5.2 ------	UNKNOWN                       
    
    Plot creation:
    Fri Oct 18 18:19:02 EDT 2013