batgrbproduct Analysis for Trigger=607506

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Aug 23 21:17:06 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger607506/heasarc_download
======================================================================

  Trigger: 00607506      Segment: 000

  BAT Trigger Time: 428356480   [s; MET]
      Trigger Stop: 428356544   [s; MET]
               UTC: 2014-07-29T19:54:27.671780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 150.766349571682   Dec: -26.0278547178017  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.92
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.92

  Flight Position:   [ source = BAT ]
    RA: 150.766349571682   Dec: -26.0278547178017  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 150.768299567697   Dec: -25.9908199943106  [deg; J2000]  
        { 10h 03m 04.4s , -25d 59' 27.0" }
         +/- 5.05271577738749 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.40319880903217 [arcmin] (formal 1-sigma fit error)
    SNR: 3.00664984145123
 
  Angular difference between Flight and Ground position is 2.224570 arcmin
 
  Partial Coding Fraction: 0.359375    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.224959   0.258054   0.032366   0.003438
           0.072624   0.072616   0.064786   0.060023 [error]
 Peak      0.224959   0.258054   0.032366   0.003438
           0.072624   0.072616   0.064786   0.060023 [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 9.87e-08 9.44e-08 6.29e-08 6.54e-08 2.83e-07 3.22e-07   erg/cm2
              Error 4.07e-08 3.98e-08 4.98e-08 1.11e-07 1.25e-07 1.86e-07   erg/cm2
Peak flux Power-law 5.09e-02 2.72e-02 9.06e-03 3.91e-03 8.93e-02 9.11e-02   ph/cm2/s
              Error 2.14e-02 1.11e-02 6.94e-03 6.12e-03 3.17e-02 3.25e-02   ph/cm2/s
 
Fluence   Cutoff-PL 8.22e-08 1.29e-07 5.68e-09 2.28e-13 2.17e-07 2.17e-07   erg/cm2
              Error 4.66e-08 5.91e-08 3.65e-08 1.43e-08 8.89e-08 8.90e-08   erg/cm2
Peak flux Cutoff-PL 3.97e-02 3.89e-02 9.98e-04 2.01e-08 7.96e-02 7.97e-02   ph/cm2/s
              Error 2.41e-02 1.69e-02 5.41e-03 1.02e-03 3.06e-02 2.95e-02   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    2.585    0.797    -      -           4.31e-04 2.56e-04   77.910 57
CPL  -4.880    0.000      27.8   12.4      5.47e+01 0.00e+00   74.770 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.585    0.797    -      -           4.31e-04 2.56e-04   77.910 57
CPL  -4.880    0.000      27.8   11.4      5.47e+01 0.00e+00   74.770 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000
  • 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
      150.7683 -25.9908 0.0640   46.7 -165.1       0.4590     3.0  TRIG_00607506       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000  64.000 (delta_t =  64.000 [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
    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    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.58521     ( -0.677275   0.916714 )
    Norm@50keV  : 4.31032E-04    ( -0.000250033   0.000262498 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.91 using 59 PHA bins.
    # Reduced chi-squared =          1.367 for     57 degrees of freedom 
    # Null hypothesis probability =   3.432738e-02
     
    Photon flux (15-150 keV)    in 64 sec: 8.92933E-02 ( -0.0316305  0.0316875 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.82646e-07 ( -1.18017e-07  1.32847e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.87978     (     )
    Epeak [keV] : 27.7737      ( -17.2698 7.5961 )
    Norm@50keV  : 54.7179    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.77 using 59 PHA bins.
    # Reduced chi-squared =          1.335 for     56 degrees of freedom 
    # Null hypothesis probability =   4.760446e-02
     
    Photon flux (15-150 keV)    in 64 sec: 7.96144E-02 ( -0.0289812  0.0321556 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.16703e-07 ( -7.77914e-08  1.00086e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.83121   ( -6.88789   -4.83121 )
    beta        : -6.23294    ( 6.23294   14.4714 )
    Epeak [keV] : 27.6042      ( -5.36316 6.50969 )
    Norm@50keV   : 52.6937    ( -17.3961   454.185 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.71 using 59 PHA bins.
    # Reduced chi-squared =          1.358 for     55 degrees of freedom 
    # Null hypothesis probability =   3.967433e-02
     
    Photon flux (15-150 keV)    in 64 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]    : 6.78829  (-1.7744  2.40591)
    R^2/D10^2   : 0.206165  (-0.206165   0.546338)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.24 using 59 PHA bins.
    # Reduced chi-squared =          1.320 for     57 degrees of freedom 
    # Null hypothesis probability =   5.315891e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.451e-08   5.664e-08
    25- 50  1.219e-07   7.619e-08
    50-150  1.805e-08   1.536e-08
    15-150  2.344e-07   1.471e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 26.1067       (-13.1352      37.2881)
    Norm        : 0.831628       (-0.443571     1.03774)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.71 using 59 PHA bins.
    # Reduced chi-squared =          1.346 for     57 degrees of freedom 
    # Null hypothesis probability =   4.192350e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.002e-07   6.157e-08
    25- 50  1.055e-07   6.480e-08
    50-150  4.777e-08   4.266e-08
    15-150  2.535e-07   1.602e-07
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 200.000        (      )
    R1^2/D10^2  : 2.21418E-06        (-2.21329e-06      -2.21329e-06)
    kT2 [keV]   : 6.69159        (-1.63305      2.40299)
    R2^2/D10^2  : 0.216435    (-0.1578   0.50037)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.24 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          75.06 using 59 PHA bins.
    # Reduced chi-squared =          1.368 for     55 degrees of freedom 
    # Reduced chi-squared =          1.365 for     55 degrees of freedom 
    # Null hypothesis probability =   3.627386e-02
    # Null hypothesis probability =   3.738981e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.457e-08   6.669e-02
    25- 50  1.218e-07   5.853e-01
    50-150  1.805e-08   1.358e+01
    15-150  2.344e-07   1.551e+01
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.58521     ( -0.677275   0.916714 )
    Norm@50keV  : 4.31032E-04    ( -0.000250033   0.000262498 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.91 using 59 PHA bins.
    # Reduced chi-squared =          1.367 for     57 degrees of freedom 
    # Null hypothesis probability =   3.432738e-02
     
    Photon flux (15-150 keV)    in 64 sec: 8.92933E-02 ( -0.0316305  0.0316875 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.82646e-07 ( -1.18017e-07  1.32847e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.87978     (     )
    Epeak [keV] : 27.7737      ( -15.2474 7.597 )
    Norm@50keV  : 54.7179    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.77 using 59 PHA bins.
    # Reduced chi-squared =          1.335 for     56 degrees of freedom 
    # Null hypothesis probability =   4.760446e-02
     
    Photon flux (15-150 keV)    in 64 sec: 7.96144E-02 ( -0.0289812  0.0321556 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.16703e-07 ( -7.77914e-08  1.00086e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.83121   ( -6.85065   -4.83121 )
    beta        : -6.23294    ( 6.23294   14.4714 )
    Epeak [keV] : 27.6042      ( -5.36316 6.50969 )
    Norm@50keV   : 52.6937    ( -17.3961   454.185 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.71 using 59 PHA bins.
    # Reduced chi-squared =          1.358 for     55 degrees of freedom 
    # Null hypothesis probability =   3.967433e-02
     
    Photon flux (15-150 keV)    in 64 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]    : 6.78829  (-1.7744  2.40591)
    R^2/D10^2   : 0.206165  (-0.206165   0.546338)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.24 using 59 PHA bins.
    # Reduced chi-squared =          1.320 for     57 degrees of freedom 
    # Null hypothesis probability =   5.315891e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.451e-08   5.741e-08
    25- 50  1.219e-07   7.904e-08
    50-150  1.805e-08   1.588e-08
    15-150  2.344e-07   1.449e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 26.1067       (-13.1352      37.2881)
    Norm        : 0.831628       (-0.443571     1.03774)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.71 using 59 PHA bins.
    # Reduced chi-squared =          1.346 for     57 degrees of freedom 
    # Null hypothesis probability =   4.192350e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.002e-07   6.224e-08
    25- 50  1.055e-07   6.496e-08
    50-150  4.777e-08   4.403e-08
    15-150  2.535e-07   1.665e-07
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 200.000        (      )
    R1^2/D10^2  : 2.21418E-06        (-2.21329e-06      -2.21329e-06)
    kT2 [keV]   : 6.69159        (-1.63305      2.40299)
    R2^2/D10^2  : 0.216435    (-0.1578   0.50037)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.24 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          75.06 using 59 PHA bins.
    # Reduced chi-squared =          1.368 for     55 degrees of freedom 
    # Reduced chi-squared =          1.365 for     55 degrees of freedom 
    # Null hypothesis probability =   3.627386e-02
    # Null hypothesis probability =   3.738981e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.457e-08   7.542e-02
    25- 50  1.218e-07   5.962e-01
    50-150  1.805e-08   1.419e+01
    15-150  2.344e-07   1.641e+01
    

    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: 2.58521     ( -0.677275   0.916714 )
    Norm@50keV  : 4.31032E-04    ( -0.000250033   0.000262498 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.91 using 59 PHA bins.
    # Reduced chi-squared =          1.367 for     57 degrees of freedom 
    # Null hypothesis probability =   3.432738e-02
     
    Photon flux (15-150 keV)    in 64 sec: 8.92933E-02 ( -0.0316305  0.0316875 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.82646e-07 ( -1.18017e-07  1.32847e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.87978     (     )
    Epeak [keV] : 27.7737      ( -16.7675 7.59626 )
    Norm@50keV  : 54.7179    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.77 using 59 PHA bins.
    # Reduced chi-squared =          1.335 for     56 degrees of freedom 
    # Null hypothesis probability =   4.760446e-02
     
    Photon flux (15-150 keV)    in 64 sec: 7.96144E-02 ( -0.0289812  0.0321556 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.16703e-07 ( -7.77914e-08  1.00086e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.83121   ( -6.84483   -4.83121 )
    beta        : -6.23294    ( 6.23294   14.4714 )
    Epeak [keV] : 27.6042      ( -5.36316 6.50969 )
    Norm@50keV   : 52.6937    ( -17.3961   454.185 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.71 using 59 PHA bins.
    # Reduced chi-squared =          1.358 for     55 degrees of freedom 
    # Null hypothesis probability =   3.967433e-02
     
    Photon flux (15-150 keV)    in 64 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)  = 9.44e-08
    S(50-100 keV) = 6.29e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 64 sec.
    Hardness ratio (energy fluence ratio) = 0.666314
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.14712
    Count Ratio (50-100 keV) / (15-25 keV) = 0.143875
    

    Mask shadow pattern

    IMX = -1.024086460578689E+00, IMY = 2.728333467241192E-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:
    0.000000 64.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    188.1544 -41.6182    3.0  49.4  148.1   1.2978   3.8 ------	UNKNOWN                       
    156.2336  20.3439    2.2  29.8  -89.7   0.6229   5.3 ------	UNKNOWN                       
    154.3421  46.1238    2.6  46.2  -56.4   1.5831   4.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    139.700600 363.130000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5648 -40.6092    2.3  19.3  154.9   6.1242   5.0    3.7	Vela X-1                      
    170.2098 -60.5878    7.8  37.0  102.0   5.9186   1.5    3.8	Cen X-3                       
     92.7214 -15.5296    2.9  54.9 -153.4  20.5058   4.1 ------	UNKNOWN                       
    145.8070  16.2006    2.9  42.5  -69.3  17.6756   4.0 ------	UNKNOWN                       
    
    Plot creation:
    Sat Aug 23 21:21:30 EDT 2014