batgrbproduct analysis for trigger=799669

batgrbproduct Analysis for Trigger=799669

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Dec 23 17:41:00 EST 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger799669/GCN5_download_cron
======================================================================

  Trigger: 00799669      Segment: 000

  BAT Trigger Time: 535652720   [s; MET]
      Trigger Stop: 535652800   [s; MET]
               UTC: 2017-12-22T16:24:59.803520    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 148.293325459001   Dec: 35.6217756112652  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.49
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.49

  Flight Position:   [ source = BAT ]
    RA: 148.293325459001   Dec: 35.6217756112652  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 148.272658852583   Dec: 35.6235850172316  [deg; J2000]  
        { 09h 53m 05.4s , +35d 37' 24.9" }
         +/- 1.65266244282649 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.590368139500006 [arcmin] (formal 1-sigma fit error)
    SNR: 14.8397548334684
 
  Angular difference between Flight and Ground position is 1.013786 arcmin
 
  Partial Coding Fraction: 0.609375    [ including projection effects ]

  Duration
     T90: 174.835999965668 +/- 22.6645693378338
        Measured from: 12.8480001091957
                   to: 187.684000074863     [s; relative to TRIGTIME]
     T50: 89.2599999308586 +/- 18.8045735956071
        Measured from: 43.0040001273155
                   to: 132.264000058174     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 61.3439999818802     
                   to: 62.3439999818802     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 8.00400000810623     
                   to: 209.819999992847     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.378929   1.349065   0.665131   0.113123
           0.102798   0.105259   0.088136   0.074727 [error]
 Peak      0.032806   0.031061   0.012850  -0.001667
           0.008585   0.008905   0.007149   0.005774 [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 4.57e-07 5.95e-07 5.67e-07 9.57e-07 1.94e-06 2.58e-06   erg/cm2
              Error 5.80e-08 5.17e-08 8.54e-08 2.87e-07 1.96e-07 3.79e-07   erg/cm2
Peak flux Power-law 3.17e-01 2.20e-01 1.01e-01 6.41e-02 6.69e-01 7.02e-01   ph/cm2/s
              Error 1.40e-01 7.29e-02 5.74e-02 7.81e-02 2.18e-01 2.30e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.53e-07 6.03e-07 5.65e-07 7.74e-07 1.92e-06 2.39e-06   erg/cm2
              Error 6.28e-08 6.49e-08 8.89e-08 6.03e-07 2.21e-07 5.67e-07   erg/cm2
Peak flux Cutoff-PL 3.09e-01 2.28e-01 1.01e-01 4.48e-02 6.65e-01 6.83e-01   ph/cm2/s
              Error 1.53e-01 8.96e-02 8.24e-02 7.62e-02 2.18e-01 2.39e-01   ph/cm2/s
 
Fluence        Band 4.91e-07 6.55e-07 5.96e-07 9.46e-07 2.07e-06 2.69e-06   erg/cm2
              Error -------- -------- 9.97e-08 -------- -------- 4.41e-07   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    2.070    0.168    -      -           1.04e-03 1.13e-04   56.780 57
CPL   1.966    0.403      13.9   -1.0      1.19e-03 0.00e+00   56.690 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.130    0.668    -      -           4.19e-03 1.86e-03   39.690 57
CPL   1.861    1.657      22.4    0.0      5.98e-03 0.00e+00   39.650 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: 152.320000 sec.
T50 in the 50-300 keV band: 98.624000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  201.816    8.004  209.820
T90   174.836   12.848  187.684
T50    89.260   43.004  132.264
Peak    1.000   61.344   62.344

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  148.2727 +35.6236 0.0129   37.6    4.2       2.3181    14.8  TRIG_00799669       
------------------------------------------
 
Foreground time interval of the image:
  8.004  88.401 (delta_t =  80.397 [sec])
Background time interval of the image:
-239.000   8.004 (delta_t = 247.004 [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)

Spectra

Notes:

Time averaged spectrum fit using the pre-slew DRM

Power-law model
Time interval is from    8.004 sec. to  209.820 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.07003     ( -0.164404   0.171696 )
Norm@50keV  : 1.03623E-03    ( -0.00011414   0.000111692 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.78 using 59 PHA bins.
# Reduced chi-squared =         0.9961 for     57 degrees of freedom 
# Null hypothesis probability =   4.834058e-01
 
Photon flux (15-150 keV)    in 201.8 sec: 0.160655 ( -0.0141016  0.0141124 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.93761e-06 ( -1.94371e-07  1.969e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    8.004 sec. to  209.820 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.96570     ( -0.728969   0.0762693 )
Epeak [keV] : 13.9094      ( -11.9526 -13.9094 )
Norm@50keV  : 1.18986E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.69 using 59 PHA bins.
# Reduced chi-squared =          1.012 for     56 degrees of freedom 
# Null hypothesis probability =   4.489790e-01
 
Photon flux (15-150 keV)    in 201.8 sec: 0.159927 ( -0.014707  0.014546 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.91721e-06 ( -2.29305e-07  2.13418e-07 ) ergs/cm2
 
Band function
Time interval is from    8.004 sec. to  209.820 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.96052   ( -4.96052   -4.96052 )
beta        : -2.13018    ( -0.220028   0.181302 )
Epeak [keV] : 19.7595      ( -19.7595 3.76116 )
Norm@50keV   : 787.197    ( -68.0083   1.51125e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.57 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     55 degrees of freedom 
# Null hypothesis probability =   4.533225e-01
 
Photon flux (15-150 keV)    in 201.8 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.06948e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.76255  (-1.04568  1.16144)
R^2/D10^2   : 7.91460E-02  (-0.0280716   0.0442043)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          90.90 using 59 PHA bins.
# Reduced chi-squared =          1.595 for     57 degrees of freedom 
# Null hypothesis probability =   2.878198e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.073e-07   5.247e-08
25- 50  7.383e-07   7.739e-08
50-150  3.593e-07   8.798e-08
15-150  1.405e-06   1.524e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 61.5028       (-14.5187      21.5869)
Norm        : 0.824217       (-0.121291     0.138821)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.85 using 59 PHA bins.
# Reduced chi-squared =          1.032 for     57 degrees of freedom 
# Null hypothesis probability =   4.077009e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.197e-07   5.106e-08
25- 50  6.435e-07   6.276e-08
50-150  7.473e-07   1.702e-07
15-150  1.810e-06   1.974e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.91262        (-1.24123      1.79165)
R1^2/D10^2  : 0.827689        (-0.555582      1.50973)
kT2 [keV]   : 17.1381        (-3.84998      10.2064)
R2^2/D10^2  : 6.59686E-03    (-0.00552246   0.0126637)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.16 using 59 PHA bins.
# Reduced chi-squared =          1.076 for     55 degrees of freedom 
# Null hypothesis probability =   3.261379e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.578e-07   1.906e-07
25- 50  5.903e-07   1.856e-07
50-150  7.527e-07   3.886e-07
15-150  1.801e-06   7.025e-07

Peak spectrum fit

Power-law model
Time interval is from   61.344 sec. to   62.344 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.13037     ( -0.582891   0.753318 )
Norm@50keV  : 4.18775E-03    ( -0.00194121   0.00176889 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.69 using 59 PHA bins.
# Reduced chi-squared =         0.6963 for     57 degrees of freedom 
# Null hypothesis probability =   9.606260e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.668893 ( -0.217706  0.217747 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.90312e-08 ( -1.50125e-08  1.57379e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   61.344 sec. to   62.344 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.86084     ( -3.10613   0.208681 )
Epeak [keV] : 22.3724      (   )
Norm@50keV  : 5.97727E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.65 using 59 PHA bins.
# Reduced chi-squared =         0.7080 for     56 degrees of freedom 
# Null hypothesis probability =   9.518762e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.665069 ( -0.216761  0.219282 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.83926e-08 ( -1.53302e-08  1.62245e-08 ) ergs/cm2
 
Band function
Time interval is from   61.344 sec. to   62.344 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.90293   ( -1.46563   1.0721 )
beta        : -9.37167    ( 9.37167   19.3717 )
Epeak [keV] : 20.6152      ( -17.1091 -20.6136 )
Norm@50keV   : 5.54233E-03    ( -0.00180037   0.00532702 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.65 using 59 PHA bins.
# Reduced chi-squared =         0.7209 for     55 degrees of freedom 
# Null hypothesis probability =   9.408463e-01
 
Photon flux (15-150 keV)    in 1 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]    : 9.35829  (-3.59117  5.90391)
R^2/D10^2   : 0.395284  (-0.390001   2.21312)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.75 using 59 PHA bins.
# Reduced chi-squared =         0.7501 for     57 degrees of freedom 
# Null hypothesis probability =   9.194211e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.868e-09   4.310e-09
25- 50  1.550e-08   9.740e-09
50-150  6.655e-09   5.050e-09
15-150  2.902e-08   1.892e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 58.6107       (-35.068      -58.6107)
Norm        : 3.55158       (-1.51414     3.15786)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.80 using 59 PHA bins.
# Reduced chi-squared =         0.6982 for     57 degrees of freedom 
# Null hypothesis probability =   9.595162e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.891e-09   5.516e-09
25- 50  1.343e-08   8.380e-09
50-150  1.499e-08   1.221e-08
15-150  3.732e-08   2.351e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.27586        (-4.28845      6.02124)
R1^2/D10^2  : 6.29055        (-5.95176      -6.16394)
kT2 [keV]   : 16.6882        (-11.4591      -16.7346)
R2^2/D10^2  : 3.29810E-02    (-0.0323147   0.554812)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.64 using 59 PHA bins.
# Reduced chi-squared =         0.7207 for     55 degrees of freedom 
# Null hypothesis probability =   9.410292e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.711e-09   5.705e-09
25- 50  1.160e-08   6.430e-09
50-150  1.626e-08   1.087e-08
15-150  3.757e-08   2.158e-08
Plot creation:
Sat Dec 23 18:08:36 EST 2017