batgrbproduct Analysis for Trigger=594081

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Mar 31 17:11:02 EDT 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger594081/GCN5_download_cron
======================================================================

  Trigger: 00594081      Segment: 000

  BAT Trigger Time: 417937800   [s; MET]
      Trigger Stop: 417938120   [s; MET]
               UTC: 2014-03-31T05:49:48.173160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 134.844638913522   Dec: 2.7069009242252  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.74
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.74

  Flight Position:   [ source = BAT ]
    RA: 134.844638913522   Dec: 2.7069009242252  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 134.859925511017   Dec: 2.75541430442498  [deg; J2000]  
        { 08h 59m 26.4s , +02d 45' 19.5" }
         +/- 3.17705222077677 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.64121496163227 [arcmin] (formal 1-sigma fit error)
    SNR: 5.83365487687871
 
  Angular difference between Flight and Ground position is 3.051575 arcmin
 
  Partial Coding Fraction: 0.984375    [ including projection effects ]

  Duration
     T90: 209.551999926567 +/- 33.3105342810254
        Measured from: 92.0280001163483
                   to: 301.580000042915     [s; relative to TRIGTIME]
     T50: 41.7319999337196 +/- 61.3011214644215
        Measured from: 161.540000140667
                   to: 203.272000074387     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 292.487999975681     
                   to: 293.487999975681     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 87.283999979496     
                   to: 321.139999985695     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.549131   0.551002   0.283505   0.031897
           0.073707   0.075391   0.065429   0.056340 [error]
 Peak      0.015810   0.013367   0.007228   0.002922
           0.004841   0.004916   0.004318   0.003602 [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 1.50e-07 2.02e-07 2.01e-07 3.62e-07 6.71e-07 9.15e-07   erg/cm2
              Error 3.02e-08 3.24e-08 5.81e-08 2.02e-07 1.34e-07 2.72e-07   erg/cm2
Peak flux Power-law 1.09e-01 9.61e-02 5.83e-02 5.34e-02 2.86e-01 3.17e-01   ph/cm2/s
              Error 6.46e-02 3.67e-02 4.70e-02 7.65e-02 1.09e-01 1.27e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.22e-08 1.64e-07 1.53e-07 7.36e-08 4.59e-07 4.83e-07   erg/cm2
              Error 2.81e-08 4.21e-08 7.33e-08 2.36e-07 1.45e-07 3.40e-07   erg/cm2
Peak flux Cutoff-PL 1.12e-01 9.62e-02 5.71e-02 1.47e-03 2.86e-01 3.15e-01   ph/cm2/s
              Error 6.42e-02 3.66e-02 3.15e-03 1.09e-01 1.24e-01 0.00e+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    2.006    0.295    -      -           3.12e-04 6.59e-05   66.160 57
CPL   1.247    1.510      36.1    0.0      9.43e-04 0.00e+00   65.170 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.722    0.832    -      -           2.14e-03 1.00e-03   49.130 57
CPL   2.102    0.837      40.4   -0.0      1.29e-03 0.00e+00   48.840 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  233.856   87.284  321.140
T90   209.552   92.028  301.580
T50    41.732  161.540  203.272
Peak    1.000  292.488  293.488

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  134.8599  +2.7554 0.0332    9.1   48.2       1.4902     5.8  TRIG_00594081       
------------------------------------------
 
Foreground time interval of the image:
 87.284 281.140 (delta_t = 193.856 [sec])
282.000 321.140 (delta_t =  39.140 [sec])
Background time interval of the image:
-10.899  87.284 (delta_t =  98.183 [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
Multiple GTIs in the spectrum
tstart tstop
87.284000 281.140000
282.000000 321.140000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.00579     ( -0.282276   0.306746 )
Norm@50keV  : 3.12036E-04    ( -6.68059e-05   6.50883e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.16 using 59 PHA bins.
# Reduced chi-squared =          1.161 for     57 degrees of freedom 
# Null hypothesis probability =   1.902068e-01
 
Photon flux (15-150 keV)    in 233 sec: 4.69304E-02 ( -0.00724648  0.0072479 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.70677e-07 ( -1.31155e-07  1.3757e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
87.284000 281.140000
282.000000 321.140000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.24673     ( -2.15671   0.864116 )
Epeak [keV] : 36.1178      (   )
Norm@50keV  : 9.43473E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.17 using 59 PHA bins.
# Reduced chi-squared =          1.164 for     56 degrees of freedom 
# Null hypothesis probability =   1.879983e-01
 
Photon flux (15-150 keV)    in 233 sec: 4.57491E-02 ( -0.0074418  0.0075009 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.59408e-07 ( -1.33859e-07  1.56732e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
87.284000 281.140000
282.000000 321.140000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.76766   ( -6.0111   -4.76766 )
beta        : -2.44769    ( -0.65026   0.451453 )
Epeak [keV] : 24.9263      ( -4.52948 4.21623 )
Norm@50keV   : 38.8018    ( -5.86682   375.632 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.78 using 59 PHA bins.
# Reduced chi-squared =          1.123 for     55 degrees of freedom 
# Null hypothesis probability =   2.468249e-01
 
Photon flux (15-150 keV)    in 233 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]    : 8.08002  (-1.2946  1.6296)
R^2/D10^2   : 5.04602E-02  (-0.0259181   0.0499452)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.30 using 59 PHA bins.
# Reduced chi-squared =          1.216 for     57 degrees of freedom 
# Null hypothesis probability =   1.272362e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.398e-07   3.841e-08
25- 50  2.490e-07   6.798e-08
50-150  6.754e-08   3.420e-08
15-150  4.563e-07   1.142e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 56.9189       (-21.452      45.9052)
Norm        : 0.253404       (-0.0598033     0.0817478)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.12 using 59 PHA bins.
# Reduced chi-squared =          1.142 for     57 degrees of freedom 
# Null hypothesis probability =   2.150475e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.471e-07   3.012e-08
25- 50  2.201e-07   4.475e-08
50-150  2.395e-07   1.176e-07
15-150  6.067e-07   1.646e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.45722        (-1.57369      1.73819)
R1^2/D10^2  : 0.102242        (-0.058238      0.168163)
kT2 [keV]   : 27.3685        (-13.692      -27.3357)
R2^2/D10^2  : 2.89849E-04    (-0.000288598   0.00378603)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.67 using 59 PHA bins.
# Reduced chi-squared =          1.121 for     55 degrees of freedom 
# Null hypothesis probability =   2.498672e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.539e-07   8.296e-08
25- 50  2.192e-07   1.130e-07
50-150  2.909e-07   1.623e-07
15-150  6.641e-07   3.318e-07

Peak spectrum fit

Power-law model
Time interval is from  292.488 sec. to  293.488 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.72203     ( -0.768626   0.896348 )
Norm@50keV  : 2.13668E-03    ( -0.00106482   0.000943242 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.13 using 59 PHA bins.
# Reduced chi-squared =         0.8619 for     57 degrees of freedom 
# Null hypothesis probability =   7.613686e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.285994 ( -0.1088  0.108816 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.97501e-08 ( -9.2237e-09  9.96121e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  292.488 sec. to  293.488 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.10177     ( -0.778777   0.894908 )
Epeak [keV] : 40.4187      ( -9999.34 -9999.35 )
Norm@50keV  : 1.28768E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.84 using 59 PHA bins.
# Reduced chi-squared =         0.8721 for     56 degrees of freedom 
# Null hypothesis probability =   7.403564e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.285940 ( -0.108884  0.108794 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.97171e-09 ( -5.745e-10  6.7267e-10 ) ergs/cm2
 
Band function
Time interval is from  292.488 sec. to  293.488 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.98786   ( -4.98786   -4.98786 )
beta        : -1.76483    ( -1.19187   0.780183 )
Epeak [keV] : 20.1972      ( -20.1972 69.4425 )
Norm@50keV   : 1058.73    ( -400.515   4.10541e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.93 using 59 PHA bins.
# Reduced chi-squared =         0.8897 for     55 degrees of freedom 
# Null hypothesis probability =   7.043516e-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]    : 10.1399  (-4.69919  11.7808)
R^2/D10^2   : 0.121321  (-0.119909   1.15504)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.35 using 59 PHA bins.
# Reduced chi-squared =         0.9184 for     57 degrees of freedom 
# Null hypothesis probability =   6.499206e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.552e-09   1.612e-09
25- 50  6.470e-09   4.137e-09
50-150  3.515e-09   2.754e-09
15-150  1.254e-08   8.650e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 191.745       (-166.758      -166.758)
Norm        : 1.14591       (-0.451337     1.18637)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.55 using 59 PHA bins.
# Reduced chi-squared =         0.8694 for     57 degrees of freedom 
# Null hypothesis probability =   7.476137e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.868e-09   1.760e-09
25- 50  5.491e-09   3.401e-09
50-150  1.189e-08   7.535e-09
15-150  2.025e-08   1.289e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.31044        (-3.53943      7.53226)
R1^2/D10^2  : 1.14451        (-0.949638      194.692)
kT2 [keV]   : 35.1949        (-29.8487      -37.0131)
R2^2/D10^2  : 1.46548E-03    (-0.00121117   0.0118953)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
# Reduced chi-squared =         0.8907 for     55 degrees of freedom 
# Null hypothesis probability =   7.022981e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.777e-09   2.472e-09
25- 50  4.337e-09   2.545e-09
50-150  1.370e-08   9.055e-09
15-150  2.181e-08   1.245e-08
Plot creation:
Mon Mar 31 17:29:50 EDT 2014