batgrbproduct Analysis for Trigger=595345

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Apr 11 05:52:05 EDT 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger595345/GCN5_download_cron
======================================================================

  Trigger: 00595345      Segment: 000

  BAT Trigger Time: 418843240   [s; MET]
      Trigger Stop: 418843304   [s; MET]
               UTC: 2014-04-10T17:20:28.130020    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 187.132260568424   Dec: 3.47989197156627  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.51
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.51

  Flight Position:   [ source = BAT ]
    RA: 187.132260568424   Dec: 3.47989197156627  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 187.161008901795   Dec: 3.46285178280255  [deg; J2000]  
        { 12h 28m 38.6s , +03d 27' 46.3" }
         +/- 3.39479016369799 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.18120717131886 [arcmin] (formal 1-sigma fit error)
    SNR: 5.30657353670037
 
  Angular difference between Flight and Ground position is 2.002423 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.158212   0.151593   0.011009   0.018422
           0.038204   0.039148   0.034037   0.029347 [error]
 Peak      0.158212   0.151593   0.011009   0.018422
           0.038204   0.039148   0.034037   0.029347 [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 4.11e-08 4.82e-08 4.08e-08 5.85e-08 1.51e-07 1.89e-07   erg/cm2
              Error 1.45e-08 1.68e-08 2.44e-08 7.44e-08 6.08e-08 1.04e-07   erg/cm2
Peak flux Power-law 2.12e-02 1.39e-02 5.86e-03 3.39e-03 4.27e-02 4.44e-02   ph/cm2/s
              Error 7.62e-03 4.70e-03 3.41e-03 4.06e-03 1.35e-02 1.44e-02   ph/cm2/s
 
Fluence   Cutoff-PL 4.13e-08 6.85e-08 8.00e-09 9.32e-12 1.18e-07 1.18e-07   erg/cm2
              Error 1.71e-08 2.82e-08 2.17e-08 3.98e-09 4.42e-08 3.44e-08   erg/cm2
Peak flux Cutoff-PL 2.04e-02 2.03e-02 1.38e-03 8.65e-07 4.21e-02 4.21e-02   ph/cm2/s
              Error 8.78e-03 7.60e-03 3.30e-03 3.19e-04 1.26e-02 1.26e-02   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 4.23e-02 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    2.235    0.560    -      -           2.53e-04 1.16e-04   46.150 57
CPL  -3.745    0.517      29.1    7.3      3.42e+00 0.00e+00   40.140 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.235    0.560    -      -           2.53e-04 1.16e-04   46.150 57
CPL  -3.745    0.517      29.1    7.3      3.42e+00 0.00e+00   40.140 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  187.1610  +3.4629 0.0364    2.0   72.2       0.3966     5.3  TRIG_00595345       
------------------------------------------
 
Foreground time interval of the image:
  0.000  54.290 (delta_t =  54.290 [sec])
 55.000  64.000 (delta_t =   9.000 [sec])
Background time interval of the image:

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
Multiple GTIs in the spectrum
tstart tstop
0.000000 54.290000
55.000000 64.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.23488     ( -0.508111   0.611977 )
Norm@50keV  : 2.53149E-04    ( -0.000114262   0.000116972 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.15 using 59 PHA bins.
# Reduced chi-squared =         0.8096 for     57 degrees of freedom 
# Null hypothesis probability =   8.474451e-01
 
Photon flux (15-150 keV)    in 63.29 sec: 4.26687E-02 ( -0.0133674  0.0135429 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.51e-07 ( -5.74512e-08  6.42147e-08 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 54.290000
55.000000 64.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.74482     ( 2.48892   3.52304 )
Epeak [keV] : 29.0591      ( -6.84862 7.85044 )
Norm@50keV  : 3.41844    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.14 using 59 PHA bins.
# Reduced chi-squared =         0.7168 for     56 degrees of freedom 
# Null hypothesis probability =   9.457158e-01
 
Photon flux (15-150 keV)    in 63.29 sec: 4.21392E-02 ( -0.0124962  0.0126576 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.17536e-07 ( -3.94037e-08  4.90656e-08 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 54.290000
55.000000 64.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -5.76285   -5 )
beta        : -3.85672    ( 3.85677   1.4407 )
Epeak [keV] : 27.2787      ( -6.04779 6.10808 )
Norm@50keV   : 37.1044    ( -10.4341   149.448 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.78 using 59 PHA bins.
# Reduced chi-squared =         0.7232 for     55 degrees of freedom 
# Null hypothesis probability =   9.390895e-01
 
Photon flux (15-150 keV)    in 63.29 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]    : 7.63494  (-1.76649  2.32705)
R^2/D10^2   : 6.50370E-02  (-0.0650369   0.118705)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.51 using 59 PHA bins.
# Reduced chi-squared =         0.7107 for     57 degrees of freedom 
# Null hypothesis probability =   9.515986e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.182e-08   2.543e-08
25- 50  6.737e-08   4.155e-08
50-150  1.513e-08   1.195e-08
15-150  1.243e-07   7.538e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 36.8436       (-17.1637      45.2846)
Norm        : 0.306114       (-0.125002     0.217594)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.50 using 59 PHA bins.
# Reduced chi-squared =         0.7632 for     57 degrees of freedom 
# Null hypothesis probability =   9.060264e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.320e-08   2.143e-08
25- 50  5.478e-08   3.330e-08
50-150  3.864e-08   3.281e-08
15-150  1.366e-07   8.308e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.63527        (-7.63354      -7.63354)
R1^2/D10^2  : 4.36638E-02        (-0.0436649      -0.0436649)
kT2 [keV]   : 7.63460        (-7.63795      -7.63795)
R2^2/D10^2  : 2.13693E-02    (-0.0213702   -0.0213702)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.51 using 59 PHA bins.
# Reduced chi-squared =         0.7366 for     55 degrees of freedom 
# Null hypothesis probability =   9.279079e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.181e-08   2.040e+01
25- 50  6.737e-08   1.817e+02
50-150  1.514e-08   4.079e+03
15-150  1.243e-07   4.168e+03

Peak spectrum fit

Power-law model
Time interval is from   55.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.23488     ( -0.508111   0.611977 )
Norm@50keV  : 2.53149E-04    ( -0.000114262   0.000116972 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.15 using 59 PHA bins.
# Reduced chi-squared =         0.8096 for     57 degrees of freedom 
# Null hypothesis probability =   8.474451e-01
 
Photon flux (15-150 keV)    in 63.29 sec: 4.26687E-02 ( -0.0133674  0.0135429 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.51e-07 ( -5.74512e-08  6.42147e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   55.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.74482     ( 2.48892   3.52304 )
Epeak [keV] : 29.0591      ( -6.84862 7.85044 )
Norm@50keV  : 3.41844    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.14 using 59 PHA bins.
# Reduced chi-squared =         0.7168 for     56 degrees of freedom 
# Null hypothesis probability =   9.457158e-01
 
Photon flux (15-150 keV)    in 63.29 sec: 4.21392E-02 ( -0.0124962  0.0126576 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.17536e-07 ( -3.94037e-08  4.90656e-08 ) ergs/cm2
 
Band function
Time interval is from   55.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -5.76285   -5 )
beta        : -3.85672    ( 3.85677   1.4407 )
Epeak [keV] : 27.2787      ( -6.04779 6.10808 )
Norm@50keV   : 37.1044    ( -10.4341   149.448 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.78 using 59 PHA bins.
# Reduced chi-squared =         0.7232 for     55 degrees of freedom 
# Null hypothesis probability =   9.390895e-01
 
Photon flux (15-150 keV)    in 63.29 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]    : 7.63494  (-1.76649  2.32705)
R^2/D10^2   : 6.50370E-02  (-0.0650369   0.118705)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.51 using 59 PHA bins.
# Reduced chi-squared =         0.7107 for     57 degrees of freedom 
# Null hypothesis probability =   9.515986e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.182e-08   2.570e-08
25- 50  6.737e-08   4.193e-08
50-150  1.513e-08   1.183e-08
15-150  1.243e-07   7.753e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 36.8436       (-17.1637      45.2846)
Norm        : 0.306114       (-0.125002     0.217594)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.50 using 59 PHA bins.
# Reduced chi-squared =         0.7632 for     57 degrees of freedom 
# Null hypothesis probability =   9.060264e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.320e-08   2.312e-08
25- 50  5.478e-08   3.295e-08
50-150  3.864e-08   3.310e-08
15-150  1.366e-07   8.066e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.63527        (-7.63354      -7.63354)
R1^2/D10^2  : 4.36638E-02        (-0.0436649      -0.0436649)
kT2 [keV]   : 7.63460        (-7.63795      -7.63795)
R2^2/D10^2  : 2.13693E-02    (-0.0213702   -0.0213702)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.51 using 59 PHA bins.
# Reduced chi-squared =         0.7366 for     55 degrees of freedom 
# Null hypothesis probability =   9.279079e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.181e-08   1.925e+01
25- 50  6.737e-08   1.660e+02
50-150  1.514e-08   3.902e+03
15-150  1.243e-07   4.462e+03
Plot creation:
Fri Apr 11 06:16:28 EDT 2014