batgrbproduct Analysis for Trigger=586071

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Feb  9 21:53:37 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger586071/GCN5_download_cron
======================================================================

  Trigger: 00586071      Segment: 000

  BAT Trigger Time: 413623869.504   [s; MET]
      Trigger Stop: 413623870.016   [s; MET]
               UTC: 2014-02-09T07:30:57.881180    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 81.3347420112946   Dec: 32.477013277617  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.74
     Image Trigger?:     NO
     Rate S/N Ratio:     15.7797338380595  [ if not an image trigger ]
     Image S/N Ratio:    9.74

  Flight Position:   [ source = BAT ]
    RA: 81.3347420112946   Dec: 32.477013277617  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 81.3278055735463   Dec: 32.4881473077939  [deg; J2000]  
        { 05h 25m 18.7s , +32d 29' 17.3" }
         +/- 0.812998086412076 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.258071839296472 [arcmin] (formal 1-sigma fit error)
    SNR: 40.8848038036326
 
  Angular difference between Flight and Ground position is 0.754675 arcmin
 
  Partial Coding Fraction: 0.3828125    [ including projection effects ]

  Duration
     T90: 21.2480000257492 +/- 7.97875580224961
        Measured from: 1.70400011539459
                   to: 22.9520001411438     [s; relative to TRIGTIME]
     T50: 0.608000040054321 +/- 0.0659697080512886
        Measured from: 1.96000009775162
                   to: 2.56800013780594     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.69199997186661     
                   to: 2.69199997186661     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.15200001001358     
                   to: 29.2239999771118     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.363678   2.107036   1.909431   0.585176
           0.064186   0.069252   0.062054   0.048818 [error]
 Peak      0.768015   1.535531   1.566203   0.478885
           0.025022   0.033717   0.034770   0.022468 [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 5.22e-07 9.96e-07 1.47e-06 4.63e-06 4.15e-06 7.62e-06   erg/cm2
              Error 3.70e-08 4.18e-08 6.18e-08 4.38e-07 1.55e-07 4.71e-07   erg/cm2
Peak flux Power-law 1.02e+01 1.21e+01 1.04e+01 1.51e+01 3.81e+01 4.79e+01   ph/cm2/s
              Error 5.32e-01 3.88e-01 2.87e-01 8.76e-01 1.05e+00 1.24e+00   ph/cm2/s
 
Fluence   Cutoff-PL 4.89e-07 1.01e-06 1.51e-06 3.31e-06 4.10e-06 6.32e-06   erg/cm2
              Error 4.73e-08 4.56e-08 7.35e-08 1.04e-06 1.63e-07 1.01e-06   erg/cm2
Peak flux Cutoff-PL 8.93e+00 1.24e+01 1.11e+01 1.01e+01 3.73e+01 4.25e+01   ph/cm2/s
              Error 6.85e-01 4.16e-01 3.82e-01 1.48e+00 1.08e+00 1.87e+00   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.441    0.064    -      -           1.49e-02 5.32e-04   39.980 57
CPL   1.170    0.260     173.0  568.3      1.97e-02 5.28e-03   36.620 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.226    0.043    -      -           3.24e-01 8.35e-03   52.650 57
CPL   0.739    0.187     153.8   41.2      5.26e-01 9.60e-02   30.810 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: 0.832000 sec.
T50 in the 50-300 keV band: 0.320000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   29.072    0.152   29.224
T90    21.248    1.704   22.952
T50     0.608    1.960    2.568
Peak    1.000    1.692    2.692

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   81.3278 +32.4881 0.0047   44.9 -159.5       6.3661    40.9  TRIG_00586071       
------------------------------------------
 
Foreground time interval of the image:
  0.152  29.224 (delta_t =  29.072 [sec])
Background time interval of the image:
-60.504   0.152 (delta_t =  60.656 [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    0.152 sec. to   29.224 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.44057     ( -0.0639157   0.0638162 )
Norm@50keV  : 1.48821E-02    ( -0.000532323   0.000532278 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.98 using 59 PHA bins.
# Reduced chi-squared =         0.7014 for     57 degrees of freedom 
# Null hypothesis probability =   9.575841e-01
 
Photon flux (15-150 keV)    in 29.07 sec: 1.82976 ( -0.0722164  0.0724266 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.14716e-06 ( -1.54648e-07  1.54805e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.152 sec. to   29.224 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.16966     ( -0.267295   0.252338 )
Epeak [keV] : 173.002      ( -58.7551 1077.83 )
Norm@50keV  : 1.97333E-02    ( -0.00444311   0.00612149 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.62 using 59 PHA bins.
# Reduced chi-squared =         0.6540 for     56 degrees of freedom 
# Null hypothesis probability =   9.790115e-01
 
Photon flux (15-150 keV)    in 29.07 sec: 1.79995 ( -0.07682  0.0772 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.098e-06 ( -1.6317e-07  1.62589e-07 ) ergs/cm2
 
Band function
Time interval is from    0.152 sec. to   29.224 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.17093   ( -0.0994436   0.168637 )
beta        : -9.28302    ( 9.283   19.283 )
Epeak [keV] : 173.732      ( -80.7598 287.7 )
Norm@50keV   : 1.97004E-02    ( -0.00070354   0.00344515 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.62 using 59 PHA bins.
# Reduced chi-squared =         0.6659 for     55 degrees of freedom 
# Null hypothesis probability =   9.733037e-01
 
Photon flux (15-150 keV)    in 29.07 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]    : 17.8667  (  )
R^2/D10^2   : 0.113720  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         193.23 using 59 PHA bins.
# Reduced chi-squared =         3.3899 for     57 degrees of freedom 
# Null hypothesis probability =   1.033848e-16
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.118e-07   1.584e-08
25- 50  9.740e-07   5.160e-08
50-150  2.253e-06   1.371e-07
15-150  3.438e-06   1.410e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 7.64150       (-0.273941     0.273882)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.22 using 59 PHA bins.
# Reduced chi-squared =         0.8985 for     57 degrees of freedom 
# Null hypothesis probability =   6.908245e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.533e-07   2.151e-08
25- 50  1.064e-06   4.099e-08
50-150  2.334e-06   9.084e-08
15-150  3.952e-06   1.570e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.29671        (-1.07307      1.23008)
R1^2/D10^2  : 1.47859        (-0.589003      1.1176)
kT2 [keV]   : 27.5060        (-2.94964      4.26051)
R2^2/D10^2  : 2.10236E-02    (-0.00853692   0.0110398)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.76 using 59 PHA bins.
# Reduced chi-squared =         0.7593 for     55 degrees of freedom 
# Null hypothesis probability =   9.058391e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.592e-07   8.459e-08
25- 50  1.020e-06   1.077e-07
50-150  2.598e-06   2.744e-07
15-150  4.078e-06   3.576e-07

Peak spectrum fit

Power-law model
Time interval is from    1.692 sec. to    2.692 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.22578     ( -0.0434836   0.0433647 )
Norm@50keV  : 0.323644    ( -0.00835061   0.00834555 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.65 using 59 PHA bins.
# Reduced chi-squared =         0.9237 for     57 degrees of freedom 
# Null hypothesis probability =   6.387733e-01
 
Photon flux (15-150 keV)    in 1 sec: 38.1328 ( -1.05044  1.05186 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.2601e-06 ( -8.70376e-08  8.70986e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.692 sec. to    2.692 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.738921     ( -0.190312   0.18302 )
Epeak [keV] : 153.768      ( -27.0525 55.3927 )
Norm@50keV  : 0.526052    ( -0.0856936   0.106324 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.81 using 59 PHA bins.
# Reduced chi-squared =         0.5502 for     56 degrees of freedom 
# Null hypothesis probability =   9.975231e-01
 
Photon flux (15-150 keV)    in 1 sec: 37.3101 ( -1.0833  1.086 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.22204e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    1.692 sec. to    2.692 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.267536   ( -0.658648   1.43615 )
beta        : -1.42366    ( 1.42197   0.107778 )
Epeak [keV] : 84.3959      ( -36.7312 123.529 )
Norm@50keV   : 0.992412    ( -0.649418   8.02951 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.69 using 59 PHA bins.
# Reduced chi-squared =         0.5580 for     55 degrees of freedom 
# Null hypothesis probability =   9.967561e-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]    : 20.3372  (  )
R^2/D10^2   : 1.68915  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         263.73 using 59 PHA bins.
# Reduced chi-squared =         4.6269 for     57 degrees of freedom 
# Null hypothesis probability =   2.380781e-28
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.338e-07   6.500e-09
25- 50  6.737e-07   2.600e-08
50-150  2.070e-06   8.050e-08
15-150  2.878e-06   8.450e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 162.582       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         216.75 using 59 PHA bins.
# Reduced chi-squared =         3.8026 for     57 degrees of freedom 
# Null hypothesis probability =   1.823661e-20
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.048e-07   1.185e-08
25- 50  7.788e-07   2.190e-08
50-150  1.708e-06   4.600e-08
15-150  2.892e-06   8.500e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.10591        (-1.00086      1.08929)
R1^2/D10^2  : 12.8412        (-3.50702      5.33926)
kT2 [keV]   : 32.2624        (-2.95914      4.09465)
R2^2/D10^2  : 0.292745    (-0.100434   0.121871)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          28.89 using 59 PHA bins.
# Reduced chi-squared =         0.5253 for     55 degrees of freedom 
# Null hypothesis probability =   9.985729e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.541e-07   2.490e-08
25- 50  7.404e-07   5.135e-08
50-150  2.237e-06   1.765e-07
15-150  3.231e-06   2.085e-07
Plot creation:
Sun Feb  9 22:01:05 EST 2014