batgrbproduct analysis for trigger=932595

batgrbproduct Analysis for Trigger=932595

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Nov 27 12:02:11 EST 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger932595
======================================================================

  Trigger: 00932595      Segment: 000

  BAT Trigger Time: 594240258.752   [s; MET]
      Trigger Stop: 594240259.776   [s; MET]
               UTC: 2019-10-31T18:43:54.909020    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 115.862015968424   Dec: -62.3348266050567  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.29
     Image Trigger?:     NO
     Rate S/N Ratio:     11.2249721603218  [ if not an image trigger ]
     Image S/N Ratio:    7.29

  Flight Position:   [ source = BAT ]
    RA: 115.862015968424   Dec: -62.3348266050567  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 115.873570555795   Dec: -62.3232479076717  [deg; J2000]  
        { 07h 43m 29.7s , -62d 19' 23.7" }
         +/- 1.05836651800829 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.465987402303545 [arcmin] (formal 1-sigma fit error)
    SNR: 28.0494249757042
 
  Angular difference between Flight and Ground position is 0.765697 arcmin
 
  Partial Coding Fraction: 0.2402344    [ including projection effects ]

  Duration
     T90: 78.5 +/- 7.50918900334979
        Measured from: -33.2400000095367
                   to: 45.2599999904633     [s; relative to TRIGTIME]
     T50: 18.2639999389648 +/- 2.56112476767675
        Measured from: -5.38800001144409
                   to: 12.8759999275208     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.03600001335144     
                   to: 5.03600001335144     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -37.9839999675751     
                   to: 66.4919999837875     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.687609   3.945848   3.014753   0.797906
           0.124366   0.133528   0.117220   0.094399 [error]
 Peak      0.097063   0.207745   0.190132   0.051709
           0.017174   0.021019   0.019102   0.012849 [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 1.01e-06 1.78e-06 2.39e-06 6.67e-06 6.95e-06 1.18e-05   erg/cm2
              Error 7.24e-08 7.62e-08 1.18e-07 7.19e-07 2.88e-07 7.96e-07   erg/cm2
Peak flux Power-law 1.34e+00 1.49e+00 1.19e+00 1.57e+00 4.59e+00 5.58e+00   ph/cm2/s
              Error 2.51e-01 1.82e-01 1.41e-01 3.58e-01 5.14e-01 6.02e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.58e-07 1.81e-06 2.45e-06 4.74e-06 6.84e-06 9.96e-06   erg/cm2
              Error 8.82e-08 8.74e-08 1.31e-07 1.18e-06 3.11e-07 1.78e-06   erg/cm2
Peak flux Cutoff-PL 1.14e+00 1.60e+00 1.32e+00 8.44e-01 4.55e+00 4.91e+00   ph/cm2/s
              Error 2.93e-01 2.17e-01 1.84e-01 4.85e-01 5.16e-01 6.80e-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    1.566    0.070    -      -           7.08e-03 2.78e-04   51.660 57
CPL   1.324    0.274     146.5  -47.1      9.28e-03 2.81e-03   49.260 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.327    0.161    -      -           3.83e-02 4.09e-03   51.590 57
CPL   0.578    0.698     105.3  133.8      8.69e-02 7.56e-02   47.440 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: 52.224000 sec.
T50 in the 50-300 keV band: 17.408000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  104.476  -37.984   66.492
T90    78.500  -33.240   45.260
T50    18.264   -5.388   12.876
Peak    1.000    4.036    5.036
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minute to calcaulte

    Image

    Pre-slew 15.0-350.0 keV image (Event data)

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      115.8736   -62.3232   0.0068    42.5811  -140.2686         7.6243966     28.049 TRIG_00932595                 
     
    Foreground time interval of the image:
    -37.984  10.549 (delta_t =  48.533 [sec])
    Background time interval of the image:
    -239.752 -37.984 (delta_t = 201.768 [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  -37.984 sec. to   66.492 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.56615     ( -0.0696076   0.0697265 )
    Norm@50keV  : 7.08294E-03    ( -0.000277723   0.000277562 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.66 using 59 PHA bins.
    # Reduced chi-squared =         0.9064 for     57 degrees of freedom 
    # Null hypothesis probability =   6.748097e-01
     
    Photon flux (15-150 keV)    in 104.5 sec: 0.900935 ( -0.037814  0.037903 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.95322e-06 ( -2.87513e-07  2.88409e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -37.984 sec. to   66.492 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.32370     ( -0.283515   0.263509 )
    Epeak [keV] : 146.524      ( -52.2495 -146.525 )
    Norm@50keV  : 9.27841E-03    ( -0.00227583   0.00333815 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.26 using 59 PHA bins.
    # Reduced chi-squared =         0.8796 for     56 degrees of freedom 
    # Null hypothesis probability =   7.259644e-01
     
    Photon flux (15-150 keV)    in 104.5 sec: 0.888769 ( -0.039972  0.040049 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.84867e-06 ( -3.11852e-07  3.1056e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -37.984 sec. to   66.492 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  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]    : 15.4739  (  )
    R^2/D10^2   : 8.84335E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         200.67 using 59 PHA bins.
    # Reduced chi-squared =         3.5205 for     57 degrees of freedom 
    # Null hypothesis probability =   6.977843e-18
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.607e-07   3.814e-08
    25- 50  1.883e-06   9.457e-08
    50-150  3.110e-06   2.315e-07
    15-150  5.453e-06   2.383e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-33.2232      -200)
    Norm        : 3.65319       (-0.142156     0.142156)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.34 using 59 PHA bins.
    # Reduced chi-squared =         0.8655 for     57 degrees of freedom 
    # Null hypothesis probability =   7.547865e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.515e-07   4.211e-08
    25- 50  1.830e-06   8.151e-08
    50-150  4.014e-06   1.761e-07
    15-150  6.796e-06   3.036e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.45337        (-0.929896      1.03567)
    R1^2/D10^2  : 0.782020        (-0.271242      0.453536)
    kT2 [keV]   : 27.8989        (-3.65194      5.49371)
    R2^2/D10^2  : 8.54656E-03    (-0.00401779   0.00583846)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.18 using 59 PHA bins.
    # Reduced chi-squared =         0.8941 for     55 degrees of freedom 
    # Null hypothesis probability =   6.956053e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.884e-07   1.158e-07
    25- 50  1.874e-06   1.897e-07
    50-150  4.075e-06   5.157e-07
    15-150  6.838e-06   7.028e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    4.036 sec. to    5.036 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.32693     ( -0.161009   0.15999 )
    Norm@50keV  : 3.83072E-02    ( -0.00409444   0.00409423 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.59 using 59 PHA bins.
    # Reduced chi-squared =         0.9051 for     57 degrees of freedom 
    # Null hypothesis probability =   6.774949e-01
     
    Photon flux (15-150 keV)    in 1 sec: 4.59366 ( -0.51391  0.51483 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.76166e-07 ( -4.22556e-08  4.23095e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    4.036 sec. to    5.036 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.578381     ( -0.760423   0.636357 )
    Epeak [keV] : 105.254      ( -29.6808 238.001 )
    Norm@50keV  : 8.68738E-02    ( -0.0428435   0.108322 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.44 using 59 PHA bins.
    # Reduced chi-squared =         0.8471 for     56 degrees of freedom 
    # Null hypothesis probability =   7.853494e-01
     
    Photon flux (15-150 keV)    in 1 sec: 4.55457 ( -0.51578  0.51671 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    4.036 sec. to    5.036 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  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]    : 17.4224  (-2.14482  2.57167)
    R^2/D10^2   : 0.346253  (-0.132567   0.200708)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.82 using 59 PHA bins.
    # Reduced chi-squared =          1.084 for     57 degrees of freedom 
    # Null hypothesis probability =   3.081893e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.126e-08   4.385e-09
    25- 50  9.589e-08   1.440e-08
    50-150  2.094e-07   3.610e-08
    15-150  3.265e-07   4.385e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-32.4422      -200)
    Norm        : 19.4651       (-2.09616     2.09616)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.15 using 59 PHA bins.
    # Reduced chi-squared =         0.9675 for     57 degrees of freedom 
    # Null hypothesis probability =   5.447981e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.846e-08   7.315e-09
    25- 50  9.323e-08   2.878e-08
    50-150  2.045e-07   1.071e-07
    15-150  3.462e-07   1.229e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 10.3878        (-2.96607      3.34061)
    R1^2/D10^2  : 1.29788        (-0.696301      2.03592)
    kT2 [keV]   : 35.1755        (-10.9511      53.4821)
    R2^2/D10^2  : 2.11742E-02    (-0.0201823   0.0671535)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.46 using 59 PHA bins.
    # Reduced chi-squared =         0.8266 for     55 degrees of freedom 
    # Null hypothesis probability =   8.168006e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.256e-08   1.767e-08
    25- 50  9.987e-08   5.167e-08
    50-150  2.395e-07   1.239e-07
    15-150  3.720e-07   1.870e-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: 1.36093     ( -0.0749246   0.0745112 )
    Norm@50keV  : 1.08842E-02    ( -0.000481959   0.000481932 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.31 using 59 PHA bins.
    # Reduced chi-squared =          1.304 for     57 degrees of freedom 
    # Null hypothesis probability =   6.155456e-02
     
    Photon flux (15-150 keV)    in 48.53 sec: 1.31421 ( -0.062335  0.0624661 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.14641e-06 ( -2.40125e-07  2.40484e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.813406     ( -0.337111   0.312905 )
    Epeak [keV] : 117.901      ( -25.6636 81.3447 )
    Norm@50keV  : 1.97016E-02    ( -0.00554234   0.00837451 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.93 using 59 PHA bins.
    # Reduced chi-squared =          1.159 for     56 degrees of freedom 
    # Null hypothesis probability =   1.935788e-01
     
    Photon flux (15-150 keV)    in 48.53 sec: 1.28347 ( -0.0646  0.0647 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.01504e-06 ( -2.56238e-07  2.55122e-07 ) ergs/cm2
     
    
    Band function
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  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)  = 1.78e-06
    S(50-100 keV) = 2.39e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 78.5 sec.
    Hardness ratio (energy fluence ratio) = 1.3427
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.46816
    Count Ratio (50-100 keV) / (15-25 keV) = 1.12172
    

    Mask shadow pattern

    IMX = -7.067092969774560E-01, IMY = 5.873768208119715E-01
    

    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:
    -239.752000 -37.984000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     31.2751 -18.6206    3.2  40.9   98.0   2.8104   3.6 ------	UNKNOWN                       
    320.9346 -32.3041    2.3  47.4   -0.5   1.9331   4.9 ------	UNKNOWN                       
    296.8152 -50.3738    2.4  46.2  -35.5   2.3600   4.8 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -37.984000 10.548600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     64.6718 -43.4280    3.8  30.7  162.5   0.3595   3.0 ------	UNKNOWN                       
     97.0916 -46.8351    2.7  44.9 -167.4   0.7725   4.3 ------	UNKNOWN                       
    115.8735 -62.3233    0.4  42.6 -140.3   7.6247  28.1 ------	UNKNOWN                       
    286.7620 -51.2368    2.4  50.0  -42.5   2.5308   4.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    70.348590 962.311500
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4993 -40.5792    1.8  24.8 -157.4   5.2386   6.4    2.0	Vela X-1                      
    170.1232 -60.5231    5.0  25.3  -84.5   2.6028   2.3    8.3	Cen X-3                       
    186.8962 -62.8424    4.2  31.0  -71.9   3.6454   2.8    7.9	GX 301-2                      
     72.5210 -31.7210    2.7  41.1  102.5  11.7604   4.3 ------	UNKNOWN                       
     62.1376 -71.6533    3.2  22.0   27.5   3.0447   3.6 ------	UNKNOWN                       
    123.3702  -5.7641    2.5  56.9  173.9  18.2176   4.6 ------	UNKNOWN                       
    181.0818 -48.0466    3.7  38.0  -96.0   8.5612   3.1 ------	UNKNOWN                       
    
    Plot creation:
    Wed Nov 27 16:21:33 EST 2019