batgrbproduct analysis for trigger=755343

batgrbproduct Analysis for Trigger=755343

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jun 21 15:42:25 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger755343
======================================================================

  Trigger: 00755343      Segment: 000

  BAT Trigger Time: 517954072   [s; MET]
      Trigger Stop: 517954136   [s; MET]
               UTC: 2017-05-31T20:07:32.854060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 121.26141607388   Dec: -14.0329183842728  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.14
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.14

  Flight Position:   [ source = BAT ]
    RA: 121.26141607388   Dec: -14.0329183842728  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 121.217595678026   Dec: -14.0162260395099  [deg; J2000]  
        { 08h 04m 52.2s , -14d 00' 58.4" }
         +/- 2.38920856447251 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.13621791953754 [arcmin] (formal 1-sigma fit error)
    SNR: 8.76507089210646
 
  Angular difference between Flight and Ground position is 2.740425 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 32.3039999604225 +/- 7.92819475938395
        Measured from: -9.94800001382828
                   to: 22.3559999465942     [s; relative to TRIGTIME]
     T50: 16.555999994278 +/- 5.74570581899996
        Measured from: -2.68800002336502
                   to: 13.8679999709129     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -4.31599998474121     
                   to: -3.31599998474121     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -13.244000017643     
                   to: 25.7960000038147     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.307406   0.345636   0.391131   0.145723
           0.052694   0.052675   0.047972   0.048472 [error]
 Peak      0.017965   0.015137   0.019821   0.030882
           0.008433   0.008589   0.007881   0.007950 [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 7.30e-08 1.59e-07 2.74e-07 1.09e-06 7.50e-07 1.60e-06   erg/cm2
              Error 2.05e-08 2.50e-08 4.83e-08 4.67e-07 1.20e-07 4.93e-07   erg/cm2
Peak flux Power-law 2.29e-02 6.52e-02 1.52e-01 9.55e-01 4.09e-01 1.17e+00   ph/cm2/s
              Error 6.54e-02 8.72e-02 8.89e-02 1.28e+00 2.42e-01 1.32e+00   ph/cm2/s
 
Fluence   Cutoff-PL 7.30e-08 1.60e-07 2.74e-07 1.08e-06 7.50e-07 1.59e-06   erg/cm2
              Error 2.05e-08 2.50e-08 -------- -------- 1.20e-07 5.32e-07   erg/cm2
Peak flux Cutoff-PL -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   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    1.217    0.278    -      -           1.91e-03 2.59e-04   57.890 57
CPL   2.148    0.970      53.4    0.0      5.90e-04 0.00e+00   56.700 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -2.102    1.530    -      -           2.86e-04 1.93e-03   65.380 57
CPL  -3.273    0.000    9568.0    0.0      5.40e-05 0.00e+00   65.370 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: 16.064000 sec.
T50 in the 50-300 keV band: 9.408000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   39.040  -13.244   25.796
T90    32.304   -9.948   22.356
T50    16.556   -2.688   13.868
Peak    1.000   -4.316   -3.316
  • 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
      121.2176   -14.0162   0.0219    16.0180  -132.1513         0.9843636      8.765 TRIG_00755343                 
     
    Foreground time interval of the image:
    -13.244  25.796 (delta_t =  39.040 [sec])
    Background time interval of the image:
    -119.000 -13.244 (delta_t = 105.756 [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 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)

    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  -13.244 sec. to   25.796 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.21744     ( -0.279872   0.275695 )
    Norm@50keV  : 1.90562E-03    ( -0.000259102   0.000258463 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.89 using 59 PHA bins.
    # Reduced chi-squared =          1.016 for     57 degrees of freedom 
    # Null hypothesis probability =   4.422032e-01
     
    Photon flux (15-150 keV)    in 39.04 sec: 0.224247 ( -0.031114  0.031267 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.51188e-07 ( -1.18733e-07  1.20819e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -13.244 sec. to   25.796 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.14785     ( -1.24813   0.69212 )
    Epeak [keV] : 53.3538      (   )
    Norm@50keV  : 5.90396E-04    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.70 using 59 PHA bins.
    # Reduced chi-squared =          1.012 for     56 degrees of freedom 
    # Null hypothesis probability =   4.488946e-01
     
    Photon flux (15-150 keV)    in 39.04 sec: 0.224226 ( -0.031198  0.031203 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.50396e-07 ( -1.18377e-07  1.21129e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -13.244 sec. to   25.796 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]    : 21.1435  (-4.28402  5.79525)
    R^2/D10^2   : 8.21214E-03  (-0.00428404   0.00869467)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.59 using 59 PHA bins.
    # Reduced chi-squared =          1.344 for     57 degrees of freedom 
    # Null hypothesis probability =   4.272877e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.700e-08   8.643e-09
    25- 50  1.394e-07   3.117e-08
    50-150  4.646e-07   1.215e-07
    15-150  6.310e-07   1.638e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-50.7075      -200)
    Norm        : 0.917994       (-0.126813     0.126813)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.59 using 59 PHA bins.
    # Reduced chi-squared =          1.116 for     57 degrees of freedom 
    # Null hypothesis probability =   2.555345e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.924e-08   4.983e-08
    25- 50  1.717e-07   9.674e-08
    50-150  3.765e-07   2.083e-07
    15-150  6.374e-07   3.531e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.31978        (-1.79979      2.3377)
    R1^2/D10^2  : 0.638932        (-0.484542      1.93038)
    kT2 [keV]   : 32.8183        (-8.96452      21.3191)
    R2^2/D10^2  : 1.94580E-03    (-0.00142447   0.00317033)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.10 using 59 PHA bins.
    # Reduced chi-squared =          1.002 for     55 degrees of freedom 
    # Null hypothesis probability =   4.709867e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.934e-08   4.805e-08
    25- 50  1.359e-07   5.709e-08
    50-150  5.676e-07   2.894e-07
    15-150  7.928e-07   3.644e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -4.316 sec. to   -3.316 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -2.10194     ( -0.720059   2.33913 )
    Norm@50keV  : 2.86290E-04    ( -0.000290132   0.0035707 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.38 using 59 PHA bins.
    # Reduced chi-squared =          1.147 for     57 degrees of freedom 
    # Null hypothesis probability =   2.087096e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.408909 ( -0.408909  0.074177 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.70637e-08 ( -2.15038e-08  2.07991e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -4.316 sec. to   -3.316 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -3.27315     (     )
    Epeak [keV] : 9568.00      (   )
    Norm@50keV  : 5.39512E-05    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.37 using 59 PHA bins.
    # Reduced chi-squared =          1.167 for     56 degrees of freedom 
    # Null hypothesis probability =   1.833258e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.68617e-08 ( -2.1413e-08  2.06666e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -4.316 sec. to   -3.316 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]    : 200.000  (-200  -200)
    R^2/D10^2   : 2.04347E-04  (-7.48506e-05   -0.000204452)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.19 using 59 PHA bins.
    # Reduced chi-squared =          1.196 for     57 degrees of freedom 
    # Null hypothesis probability =   1.473559e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.463e-10   2.650e-10
    25- 50  2.785e-09   2.056e-09
    50-150  5.391e-08   5.475e-08
    15-150  5.704e-08   5.960e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.362       (-123.466      -199.363)
    Norm        : 1.85411       (-0.788435     0.788396)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          73.39 using 59 PHA bins.
    # Reduced chi-squared =          1.287 for     57 degrees of freedom 
    # Null hypothesis probability =   7.085450e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.617e-09   3.191e-09
    25- 50  8.881e-09   5.835e-09
    50-150  1.948e-08   1.255e-08
    15-150  3.298e-08   2.145e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.17901        (-4.12437      5.73847)
    R1^2/D10^2  : 0.775470        (-0.759993      1.48518)
    kT2 [keV]   : 199.363        (-199.363      -199.363)
    R2^2/D10^2  : 1.90059E-04    (-7.57763e-05   0.00113076)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.89 using 59 PHA bins.
    # Reduced chi-squared =          1.162 for     55 degrees of freedom 
    # Null hypothesis probability =   1.924356e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.342e-09   2.910e-09
    25- 50  6.422e-09   3.714e-09
    50-150  5.077e-08   2.119e-08
    15-150  6.154e-08   2.121e-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: 1.21744     ( -0.279872   0.275695 )
    Norm@50keV  : 1.90562E-03    ( -0.000259102   0.000258463 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.89 using 59 PHA bins.
    # Reduced chi-squared =          1.016 for     57 degrees of freedom 
    # Null hypothesis probability =   4.422032e-01
     
    Photon flux (15-150 keV)    in 39.04 sec: 0.224245 ( -0.0311125  0.0312658 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.51106e-07 ( -1.187e-07  1.20808e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.18249     ( -1.27618   0.780515 )
    Epeak [keV] : 65.1036      (   )
    Norm@50keV  : 5.69584E-04    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.66 using 59 PHA bins.
    # Reduced chi-squared =          1.012 for     56 degrees of freedom 
    # Null hypothesis probability =   4.501106e-01
     
    Photon flux (15-150 keV)    in 39.04 sec: 0.224806 ( -0.031956  0.030694 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.53667e-07 ( -1.2127e-07  1.13013e-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)  = 1.59e-07
    S(50-100 keV) = 2.74e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 32.3039999604225 sec.
    Hardness ratio (energy fluence ratio) = 1.72327
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.12436
    Count Ratio (50-100 keV) / (15-25 keV) = 1.27236
    

    Mask shadow pattern

    IMX = -1.926601922337032E-01, IMY = 2.128380030077487E-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:
    -119.000000 -13.244000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5723 -40.7221   42.6  30.8  156.2  -0.0611  -0.3   10.2	Vela X-1                      
    113.4315 -57.8283    3.1  51.2  169.9   2.3167   3.6 ------	UNKNOWN                       
    115.0679 -50.9821    2.3  44.8  173.6   1.9623   5.0 ------	UNKNOWN                       
    107.4145 -45.2510    2.5  43.5 -175.6   1.4443   4.5 ------	UNKNOWN                       
    105.8199  15.5592    2.8  40.1  -76.8   2.6237   4.1 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -13.244000 25.796000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4460 -40.4819    8.1  30.5  156.4  -0.2070  -1.4    5.8	Vela X-1                      
    179.9939  -6.0312    1.9  42.7   62.1   3.0161   6.2 ------	UNKNOWN                       
    180.1564  -1.5882    2.2  43.6   55.7   2.3158   5.4 ------	UNKNOWN                       
    147.3637   1.7816    2.4  15.6   15.6   0.4970   4.8 ------	UNKNOWN                       
    100.0524 -55.1929    2.8  53.8  179.2   1.7004   4.0 ------	UNKNOWN                       
    121.2176 -14.0162    1.3  16.0 -132.2   0.9843   8.8 ------	UNKNOWN                       
    146.3641  34.0395    2.4  44.9  -15.1   0.8774   4.8 ------	UNKNOWN                       
     90.7111 -11.1087    2.8  45.5 -121.8   2.0173   4.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    111.500600 288.300600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.6062 -40.4310    4.5  29.2  123.2  -0.9813  -2.6    8.2	Vela X-1                      
     69.9458 -42.0899    2.9  52.2 -167.0   3.0116   4.0 ------	UNKNOWN                       
     98.0630   2.0840    2.6  28.1  -90.9   1.5745   4.5 ------	UNKNOWN                       
     62.7853 -30.2192    2.9  55.9 -151.3   6.0571   4.0 ------	UNKNOWN                       
    116.2696  36.2861    2.9  50.5  -39.4   4.4226   4.0 ------	UNKNOWN                       
     65.7029 -22.8142    2.4  53.2 -142.3   8.9868   4.8 ------	UNKNOWN                       
    
    Plot creation:
    Thu Jun 22 11:36:05 EDT 2017