batgrbproduct Analysis for Trigger=602604

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Jun 26 11:34:31 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger602604/GCN5_download_cron
======================================================================

  Trigger: 00602604      Segment: 000

  BAT Trigger Time: 425435593.984   [s; MET]
      Trigger Stop: 425435602.176   [s; MET]
               UTC: 2014-06-26T00:33:01.797720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 77.3504863959002   Dec: -82.6298888891504  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.59
     Image Trigger?:     NO
     Rate S/N Ratio:     15.9687194226713  [ if not an image trigger ]
     Image S/N Ratio:    11.59

  Flight Position:   [ source = BAT ]
    RA: 77.3504863959002   Dec: -82.6298888891504  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 77.1617749921955   Dec: -82.624486194837  [deg; J2000]  
        { 05h 08m 38.8s , -82d 37' 28.2" }
         +/- 1.50025870230659 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.523642757330835 [arcmin] (formal 1-sigma fit error)
    SNR: 17.0393272889157
 
  Angular difference between Flight and Ground position is 1.488704 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 16.3879999518394 +/- 1.38405202517548
        Measured from: -8.09999990463257
                   to: 8.28800004720688     [s; relative to TRIGTIME]
     T50: 11.5799999237061 +/- 2.1946298085044
        Measured from: -5.85199987888336
                   to: 5.72800004482269     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 5.68399995565414     
                   to: 6.68399995565414     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -8.93600004911423     
                   to: 9.08399999141693     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.252308   0.328073   0.151284   0.030769
           0.024401   0.025050   0.021592   0.019147 [error]
 Peak      0.025686   0.031948   0.018391   0.008095
           0.006018   0.006279   0.005230   0.004648 [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 8.22e-08 1.18e-07 1.25e-07 2.47e-07 4.02e-07 5.72e-07   erg/cm2
              Error 1.09e-08 1.12e-08 1.99e-08 7.69e-08 4.63e-08 9.88e-08   erg/cm2
Peak flux Power-law 2.66e-01 2.20e-01 1.24e-01 1.02e-01 6.55e-01 7.13e-01   ph/cm2/s
              Error 8.11e-02 4.70e-02 4.26e-02 6.82e-02 1.40e-01 1.57e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.31e-08 1.36e-07 1.18e-07 4.15e-08 3.58e-07 3.68e-07   erg/cm2
              Error 1.27e-08 1.58e-08 2.42e-08 5.65e-08 4.84e-08 6.87e-08   erg/cm2
Peak flux Cutoff-PL 2.59e-01 2.29e-01 1.24e-01 6.58e-02 6.50e-01 6.78e-01   ph/cm2/s
              Error 8.91e-02 6.05e-02 4.59e-02 9.47e-02 1.42e-01 1.74e-01   ph/cm2/s
 
Fluence        Band 7.27e-08 1.35e-07 1.18e-07 5.03e-08 3.58e-07 3.79e-07   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    1.911    0.172    -      -           2.43e-03 2.83e-04   54.550 57
CPL   0.632    0.875      44.8    7.9      1.31e-02 2.29e-02   46.390 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.833    0.396    -      -           4.70e-03 1.24e-03   55.710 57
CPL   1.521    1.297      66.3   -0.0      7.09e-03 4.27e-02   55.580 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: 18.112000 sec.
T50 in the 50-300 keV band: 10.432000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   18.020   -8.936    9.084
T90    16.388   -8.100    8.288
T50    11.580   -5.852    5.728
Peak    1.000    5.684    6.684

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   77.1618 -82.6245 0.0112   13.6   -9.1       0.8231    17.0  TRIG_00602604       
------------------------------------------
 
Foreground time interval of the image:
 -8.936   9.084 (delta_t =  18.020 [sec])
Background time interval of the image:
-239.984  -8.936 (delta_t = 231.048 [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   -8.936 sec. to    9.084 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.91149     ( -0.167629   0.175537 )
Norm@50keV  : 2.42578E-03    ( -0.000285098   0.000280427 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.55 using 59 PHA bins.
# Reduced chi-squared =         0.9570 for     57 degrees of freedom 
# Null hypothesis probability =   5.676690e-01
 
Photon flux (15-150 keV)    in 18.02 sec: 0.349835 ( -0.0330252  0.0330294 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.0194e-07 ( -4.57758e-08  4.67419e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -8.936 sec. to    9.084 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.632164     ( -0.950893   0.798205 )
Epeak [keV] : 44.7784      ( -3.76882 12.0639 )
Norm@50keV  : 1.31039E-02    ( -0.0131041   0.0326507 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.39 using 59 PHA bins.
# Reduced chi-squared =         0.8284 for     56 degrees of freedom 
# Null hypothesis probability =   8.164729e-01
 
Photon flux (15-150 keV)    in 18.02 sec: 0.334037 ( -0.03395  0.034096 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.58245e-07 ( -4.62267e-08  5.04776e-08 ) ergs/cm2
 
Band function
Time interval is from   -8.936 sec. to    9.084 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.631537   ( -1.21608   0.740144 )
beta        : -9.99996    ( 9.99996   20 )
Epeak [keV] : 44.7657      ( -7.37981 12.0552 )
Norm@50keV   : 1.31157E-02    ( -0.0131157   0.0330569 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.39 using 59 PHA bins.
# Reduced chi-squared =         0.8434 for     55 degrees of freedom 
# Null hypothesis probability =   7.892258e-01
 
Photon flux (15-150 keV)    in 18.02 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.58367e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 10.8088  (-1.08687  1.20367)
R^2/D10^2   : 0.125569  (-0.0412481   0.0614932)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.75 using 59 PHA bins.
# Reduced chi-squared =          1.013 for     57 degrees of freedom 
# Null hypothesis probability =   4.474998e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.503e-08   8.560e-09
25- 50  1.521e-07   1.673e-08
50-150  9.902e-08   2.363e-08
15-150  3.062e-07   3.532e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 73.3316       (-18.514      29.8884)
Norm        : 1.70546       (-0.231754     0.275217)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.30 using 59 PHA bins.
# Reduced chi-squared =         0.8474 for     57 degrees of freedom 
# Null hypothesis probability =   7.871911e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.921e-08   9.488e-09
25- 50  1.276e-07   1.344e-08
50-150  1.695e-07   4.609e-08
15-150  3.763e-07   5.820e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.48609        (-1.91059      2.42128)
R1^2/D10^2  : 1.63675        (-1.27202      5.29548)
kT2 [keV]   : 13.9497        (-2.35784      4.19392)
R2^2/D10^2  : 3.99042E-02    (-0.0281916   0.0487356)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.19 using 59 PHA bins.
# Reduced chi-squared =         0.8217 for     55 degrees of freedom 
# Null hypothesis probability =   8.245564e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.509e-08   3.430e-08
25- 50  1.321e-07   5.832e-08
50-150  1.407e-07   7.777e-08
15-150  3.479e-07   1.771e-07

Peak spectrum fit

Power-law model
Time interval is from    5.684 sec. to    6.684 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.83296     ( -0.375063   0.416426 )
Norm@50keV  : 4.69539E-03    ( -0.00126894   0.00120713 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.71 using 59 PHA bins.
# Reduced chi-squared =         0.9775 for     57 degrees of freedom 
# Null hypothesis probability =   5.233987e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.655467 ( -0.13982  0.13982 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.31859e-08 ( -1.12825e-08  1.17315e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    5.684 sec. to    6.684 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52111     ( -1.87514   0.718039 )
Epeak [keV] : 66.2885      ( -66.2488 -66.3118 )
Norm@50keV  : 7.08550E-03    ( -0.00708252   0.0783406 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.58 using 59 PHA bins.
# Reduced chi-squared =         0.9926 for     56 degrees of freedom 
# Null hypothesis probability =   4.905596e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.649918 ( -0.141958  0.141581 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.19189e-08 ( -1.22324e-08  1.26746e-08 ) ergs/cm2
 
Band function
Time interval is from    5.684 sec. to    6.684 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.45045   ( 1.45046   1.45046 )
beta        : -2.45503    ( 2.28608   12.1962 )
Epeak [keV] : 64.0128      ( -63.9035 -63.9035 )
Norm@50keV   : 7.67832E-03    ( -0.00382097   0.20759 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.58 using 59 PHA bins.
# Reduced chi-squared =          1.011 for     55 degrees of freedom 
# Null hypothesis probability =   4.528107e-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]    : 10.8866  (-2.7544  3.65377)
R^2/D10^2   : 0.227411  (-0.148737   0.436525)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.22 using 59 PHA bins.
# Reduced chi-squared =          1.074 for     57 degrees of freedom 
# Null hypothesis probability =   3.270849e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.620e-09   2.742e-09
25- 50  1.568e-08   5.589e-09
50-150  1.041e-08   6.105e-09
15-150  3.171e-08   1.171e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 90.6193       (-46.4198      -90.6193)
Norm        : 2.98729       (-0.747845     1.13999)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.65 using 59 PHA bins.
# Reduced chi-squared =         0.9762 for     57 degrees of freedom 
# Null hypothesis probability =   5.259992e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.796e-09   2.828e-09
25- 50  1.321e-08   6.193e-09
50-150  2.019e-08   1.523e-08
15-150  4.120e-08   2.401e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.17780        (-3.5146      4.54125)
R1^2/D10^2  : 2.33354        (-2.0154      1103.98)
kT2 [keV]   : 18.6555        (-7.73213      134.519)
R2^2/D10^2  : 2.36704E-02    (-0.0232071   0.187422)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.77 using 59 PHA bins.
# Reduced chi-squared =          1.014 for     55 degrees of freedom 
# Null hypothesis probability =   4.457223e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.143e-09   4.755e-09
25- 50  1.237e-08   6.515e-09
50-150  1.994e-08   1.243e-08
15-150  4.045e-08   2.208e-08
Plot creation:
Thu Jun 26 11:38:08 EDT 2014