batgrbproduct analysis for trigger=1001514

batgrbproduct Analysis for Trigger=1001514

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sat Jul 30 01:05:28 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1001514
======================================================================

  Trigger: 01001514      Segment: 000

  BAT Trigger Time: 625200564.992   [s; MET]
      Trigger Stop: 625200565.504   [s; MET]
               UTC: 2020-10-24T02:48:59.133600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 125.947616961099   Dec: 3.37711306985024  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.01
     Image Trigger?:     NO
     Rate S/N Ratio:     15.6204993518133  [ if not an image trigger ]
     Image S/N Ratio:    9.01

  Flight Position:   [ source = BAT ]
    RA: 125.947616961099   Dec: 3.37711306985024  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 125.959594374339   Dec: 3.3567347924688  [deg; J2000]  
        { 08h 23m 50.3s , +03d 21' 24.2" }
         +/- 1.59473498746149 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.673615129985825 [arcmin] (formal 1-sigma fit error)
    SNR: 15.6157679901746
 
  Angular difference between Flight and Ground position is 1.417623 arcmin
 
  Partial Coding Fraction: 0.2207031    [ including projection effects ]

  Duration
     T90: 5 +/- 2.23606797749979
        Measured from: 0.00800001621246338
                   to: 5.00800001621246     [s; relative to TRIGTIME]
     T50: 3 +/- 1
        Measured from: 0.00800001621246338
                   to: 3.00800001621246     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.00800001621246     
                   to: 2.00800001621246     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.00800001621246338     
                   to: 6.00800001621246     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.603586   0.587051   0.255934   0.052952
           0.047669   0.047611   0.038468   0.031564 [error]
 Peak      0.164000   0.154784   0.082786   0.015239
           0.021999   0.021414   0.017710   0.013615 [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 1.97e-07 2.52e-07 2.35e-07 3.83e-07 8.16e-07 1.07e-06   erg/cm2
              Error 2.70e-08 2.29e-08 3.75e-08 1.23e-07 8.51e-08 1.62e-07   erg/cm2
Peak flux Power-law 1.73e+00 1.21e+00 5.57e-01 3.58e-01 3.67e+00 3.86e+00   ph/cm2/s
              Error 3.72e-01 1.80e-01 1.43e-01 1.76e-01 5.50e-01 5.73e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.92e-07 2.54e-07 2.35e-07 3.07e-07 8.10e-07 9.96e-07   erg/cm2
              Error 1.73e-08 2.34e-08 3.70e-08 -------- 9.51e-08 2.67e-07   erg/cm2
Peak flux Cutoff-PL 1.67e+00 1.25e+00 5.63e-01 2.49e-01 3.64e+00 3.74e+00   ph/cm2/s
              Error 3.99e-01 2.24e-01 1.52e-01 2.77e-01 5.64e-01 6.29e-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    2.103    0.182    -      -           1.46e-02 1.67e-03   58.010 57
CPL   2.162    0.311     117.5    0.0      1.35e-02 0.00e+00   57.980 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.120    0.293    -      -           2.31e-02 4.49e-03   50.220 57
CPL   1.832    0.807      25.9   -2.6      3.35e-02 8.30e-02   50.020 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: 2.496000 sec.
T50 in the 50-300 keV band: 1.472000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    6.000    0.008    6.008
T90     5.000    0.008    5.008
T50     3.000    0.008    3.008
Peak    1.000    1.008    2.008
  • 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
      125.9596     3.3567   0.0123    35.5876   -99.7446         1.5358368     15.616 TRIG_01001514                 
     
    Foreground time interval of the image:
      0.008   6.008 (delta_t =   6.000 [sec])
    Background time interval of the image:
    -239.992   0.008 (delta_t = 240.000 [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    0.008 sec. to    6.008 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.10342     ( -0.176988   0.186299 )
    Norm@50keV  : 1.45787E-02    ( -0.00169491   0.00165153 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   58.01     using 59 bins.
     Reduced chi-squared = 1.01772
    # Null hypothesis probability of 4.38e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 6 sec: 2.29769 ( -0.21355  0.21397 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.13132e-07 ( -8.4495e-08  8.56644e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.008 sec. to    6.008 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.16183     ( -0.615652   0.0057792 )
    Epeak [keV] : 117.533      (   )
    Norm@50keV  : 1.35174E-02    (     )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.98     using 59 bins.
     Reduced chi-squared = 1.03536
    # Null hypothesis probability of 4.02e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 6 sec: 2.27301 ( -0.20683  0.20677 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.08056e-07 ( -9.22896e-08  9.78672e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.008 sec. to    6.008 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]    : 9.79356  (-1.03524  1.15489)
    R^2/D10^2   : 1.11149  (-0.395121   0.614939)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   89.05     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.23e-03 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.293e-07   2.361e-08
    25- 50  3.120e-07   3.624e-08
    50-150  1.533e-07   3.951e-08
    15-150  5.946e-07   6.975e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 60.5403       (-14.799      22.3999)
    Norm        : 11.7878       (-1.85462     2.15762)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   61.27     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.26e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.780e-07   2.307e-08
    25- 50  2.717e-07   2.688e-08
    50-150  3.114e-07   6.834e-08
    15-150  7.611e-07   9.270e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.23525        (-2.25465      3.70568)
    R1^2/D10^2  : 9.19884        (-7.46068      17.7329)
    kT2 [keV]   : 18.0364        (-6.29474      85.6694)
    R2^2/D10^2  : 7.37266E-02    (-0.0716702   0.162349)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   64.29     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 1.83e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.927e-07   9.838e-08
    25- 50  2.484e-07   8.916e-08
    50-150  3.073e-07   1.727e-07
    15-150  7.485e-07   2.946e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.008 sec. to    2.008 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.11966     ( -0.277021   0.307992 )
    Norm@50keV  : 2.31208E-02    ( -0.00458717   0.0043891 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   50.22     using 59 bins.
     Reduced chi-squared = 0.881053
    # Null hypothesis probability of 7.26e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 3.67353 ( -0.54986  0.55039 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.15283e-07 ( -3.73895e-08  3.81248e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.008 sec. to    2.008 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.83226     ( -1.31798   0.295829 )
    Epeak [keV] : 25.8867      ( -20.6072 -25.8844 )
    Norm@50keV  : 3.34594E-02    ( -0.0180697   0.14785 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   50.02     using 59 bins.
     Reduced chi-squared = 0.893214
    # Null hypothesis probability of 7.00e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 3.63735 ( -0.56883  0.5586 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.11106e-07 ( -3.98405e-08  4.10156e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.008 sec. to    2.008 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]    : 10.3146  (-1.72667  2.00743)
    R^2/D10^2   : 1.49224  (-0.743745   1.52411)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   61.39     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.22e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.265e-08   9.790e-09
    25- 50  8.477e-08   1.824e-08
    50-150  4.836e-08   1.982e-08
    15-150  1.658e-07   3.370e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 60.4173       (-20.826      39.2267)
    Norm        : 19.0525       (-4.37266     5.72833)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   50.55     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 7.14e-01 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.794e-08   9.995e-09
    25- 50  7.311e-08   1.262e-08
    50-150  8.367e-08   3.700e-08
    15-150  2.047e-07   4.225e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.52553        (-1.18882      2.63413)
    R1^2/D10^2  : 534.280        (-521.521      102804)
    kT2 [keV]   : 12.9628        (-2.65576      5.27348)
    R2^2/D10^2  : 0.547347    (-0.422806   0.477482)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   48.97     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 7.03e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.105e-08   2.392e-08
    25- 50  6.939e-08   3.214e-08
    50-150  7.104e-08   3.426e-08
    15-150  1.915e-07   7.150e-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: 2.10342     ( -0.176988   0.186299 )
    Norm@50keV  : 1.45787E-02    ( -0.00169491   0.00165153 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   58.01     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.38e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 6 sec: 2.29749 ( -0.213524  0.213939 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.12982e-07 ( -8.46306e-08  8.56584e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.16332     ( -1.99433   -1.99433 )
    Epeak [keV] : 116.461      (   )
    Norm@50keV  : 1.34917E-02    (     )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.98     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 4.02e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 6 sec: 2.29808 ( -0.21601  0.21033 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.12052e-07 ( -9.3342e-08  8.6556e-08 ) 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)  = 2.52e-07
    S(50-100 keV) = 2.35e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 5 sec.
    Hardness ratio (energy fluence ratio) = 0.93254
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.972605
    Count Ratio (50-100 keV) / (15-25 keV) = 0.424022
    

    Mask shadow pattern

    IMX = -1.211199638972073E-01, IMY = 7.052772742202933E-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:
    -239.992000 0.008000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6185  22.0024    0.4  18.2  148.8   9.2848  26.2    1.1	Crab                          
     86.2568   2.1479    2.6   5.0   43.8   1.3509   4.4 ------	UNKNOWN                       
     79.1421 -44.8284    2.4  50.8   -0.8   3.4111   4.8 ------	UNKNOWN                       
    103.7910 -50.9142    2.5  57.1  -21.1   7.0913   4.6 ------	UNKNOWN                       
    117.4817 -38.7650    3.4  50.5  -38.5   3.8061   3.4 ------	UNKNOWN                       
    127.0611 -11.2836    2.8  40.0  -76.8   4.8509   4.1 ------	UNKNOWN                       
    137.6589  29.4801    3.9  50.9 -135.4   5.2775   3.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.008000 6.008000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.7306  21.8520    6.8  18.0  148.9   0.0661   1.7   11.2	Crab                          
     57.7935 -18.8809    3.5  40.0   41.4   0.2547   3.3 ------	UNKNOWN                       
    122.4724  47.8513    3.1  50.9 -163.6   0.3646   3.8 ------	UNKNOWN                       
    110.4483  -2.2839    2.2  21.4  -81.5   0.2480   5.4 ------	UNKNOWN                       
    125.9596   3.3567    0.7  35.6  -99.7   1.5362  15.6 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    64.508600 962.059700
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4929 -40.6223    7.4  44.9  -22.5   2.7712   1.5    4.4	Vela X-1                      
    116.1521   7.1699    3.3  10.4   99.6   3.4540   3.5 ------	UNKNOWN                       
    113.1824 -32.6810    2.9  38.0    5.4   5.0856   4.0 ------	UNKNOWN                       
    135.1028  34.6286    3.6  32.4 -177.9   3.9754   3.3 ------	UNKNOWN                       
    142.4803 -38.6344    4.6  44.7  -30.6   4.6260   2.6 ------	UNKNOWN                       
    162.6226 -13.3095    2.9  40.1  -76.8  13.2007   4.0 ------	UNKNOWN                       
    
    Plot creation:
    Sat Jul 30 07:28:49 EDT 2022