batgrbproduct Analysis for Trigger=601646

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jun 14 20:57:58 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger601646/GCN5_download_cron
======================================================================

  Trigger: 00601646      Segment: 000

  BAT Trigger Time: 424400712   [s; MET]
      Trigger Stop: 424400776   [s; MET]
               UTC: 2014-06-14T01:04:59.863980    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 231.231943297946   Dec: -79.0949444262299  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.09
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.09

  Flight Position:   [ source = BAT ]
    RA: 231.231943297946   Dec: -79.0949444262299  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 231.170825786448   Dec: -79.1103107562281  [deg; J2000]  
        { 15h 24m 41.0s , -79d 06' 37.1" }
         +/- 2.37949609264149 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.07137528587274 [arcmin] (formal 1-sigma fit error)
    SNR: 8.81622512395703
 
  Angular difference between Flight and Ground position is 1.153539 arcmin
 
  Partial Coding Fraction: 0.9765625    [ including projection effects ]

  Duration
     T90: 854.659999907017 +/- 160.05867252182
        Measured from: 48.8920001387596
                   to: 903.552000045776     [s; relative to TRIGTIME]
     T50: 542.55999994278 +/- 84.5985920310756
        Measured from: 68.5440001487732
                   to: 611.104000091553     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 956.871999979019     
                   to: 957.871999979019     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.512000024318695     
                   to: 957.639999985695     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.776656   0.879123   0.489332   0.235946
           0.189188   0.201136   0.187672   0.195927 [error]
 Peak     -0.005192   0.004422   0.018703   0.023010
           0.008685   0.009821   0.010095   0.012139 [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 1.79e-07 3.29e-07 4.65e-07 1.38e-06 1.33e-06 2.35e-06   erg/cm2
              Error 7.02e-08 8.46e-08 1.77e-07 1.13e-06 4.25e-07 1.29e-06   erg/cm2
Peak flux Power-law 2.46e-04 1.31e-02 3.17e-02 7.84e-02 4.92e-01 2.13e-01   ph/cm2/s
              Error 5.00e-02 7.66e-02 1.07e+00 2.09e-01 1.20e+00 0.00e+00   ph/cm2/s
 
Fluence   Cutoff-PL 1.70e-07 3.54e-07 4.62e-07 5.14e-07 1.24e-06 1.50e-06   erg/cm2
              Error 7.75e-08 1.14e-07 2.10e-07 8.86e-07 4.84e-07 1.48e-06   erg/cm2
Peak flux Cutoff-PL 3.20e-01 1.87e-01 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
 
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    1.501    0.465    -      -           1.47e-04 4.18e-05   67.360 57
CPL   0.932    1.873      82.4    0.0      3.06e-04 5.82e-03   67.040 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -0.207    0.699    -      -           1.46e-03 1.68e-03   44.600 57
CPL  -9.112    0.000      74.1    0.0      5.65e+00 5.84e+02   43.230 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: 32.000000 sec.
T50 in the 50-300 keV band: 17.024000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  957.128    0.512  957.640
T90   854.660   48.892  903.552
T50   542.560   68.544  611.104
Peak    1.000  956.872  957.872

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  231.1708 -79.1103 0.0217   11.3   49.0       0.9984     8.8  TRIG_00601646       
------------------------------------------
 
Foreground time interval of the image:
  0.512  74.101 (delta_t =  73.589 [sec])
Background time interval of the image:
-141.799 -88.660 (delta_t =  53.139 [sec])
-84.000   0.512 (delta_t =  84.512 [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
0.512000 485.580000
487.000000 624.420000
626.000000 873.070000
874.000000 957.640000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.50142     ( -0.45389   0.475566 )
Norm@50keV  : 1.47034E-04    ( -4.24934e-05   4.10436e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.36 using 59 PHA bins.
# Reduced chi-squared =          1.182 for     57 degrees of freedom 
# Null hypothesis probability =   1.638669e-01
 
Photon flux (15-150 keV)    in 953.2 sec: 1.83626E-02 ( -0.00469449  0.00469448 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32925e-06 ( -4.12367e-07  4.36998e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.512000 485.580000
487.000000 624.420000
626.000000 873.070000
874.000000 957.640000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.931971     ( -2.7365   1.00886 )
Epeak [keV] : 82.4496      ( -82.4521 -82.4521 )
Norm@50keV  : 3.06383E-04    ( -0.000306372   0.011338 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.04 using 59 PHA bins.
# Reduced chi-squared =          1.197 for     56 degrees of freedom 
# Null hypothesis probability =   1.482457e-01
 
Photon flux (15-150 keV)    in 953.2 sec: 1.79041E-02 ( -0.0048843  0.0048687 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.23535e-06 ( -4.64529e-07  5.03966e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.512000 485.580000
487.000000 624.420000
626.000000 873.070000
874.000000 957.640000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.36394   ( -1.53149   2.22161 )
beta        : -1.71940    ( 9.37021   19.3702 )
Epeak [keV] : 26.9515      ( -47.9996 -86.7822 )
Norm@50keV   : 3.71764    ( -3.71544   1.40479 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.36 using 59 PHA bins.
# Reduced chi-squared =          1.207 for     55 degrees of freedom 
# Null hypothesis probability =   1.402266e-01
 
Photon flux (15-150 keV)    in 953.2 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]    : 12.5186  (-3.4802  5.34668)
R^2/D10^2   : 3.93149E-03  (-0.00279448   0.00849597)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.39 using 59 PHA bins.
# Reduced chi-squared =          1.217 for     57 degrees of freedom 
# Null hypothesis probability =   1.256224e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.245e-07   6.250e-08
25- 50  4.114e-07   2.205e-07
50-150  3.984e-07   2.509e-07
15-150  9.343e-07   4.573e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.355       (-199.36      -199.36)
Norm        : 7.49471E-02       (-0.0191099     0.0191183)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.12 using 59 PHA bins.
# Reduced chi-squared =          1.178 for     57 degrees of freedom 
# Null hypothesis probability =   1.688609e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.779e-07   1.072e-07
25- 50  3.422e-07   2.050e-07
50-150  7.505e-07   4.520e-07
15-150  1.271e-06   7.573e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.27232        (-7.46777      -7.46777)
R1^2/D10^2  : 1.76218E-02        (-0.0158977      -0.0158977)
kT2 [keV]   : 26.0868        (-28.1315      -28.1315)
R2^2/D10^2  : 2.17395E-04    (-0.000164009   0.000973994)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.82 using 59 PHA bins.
# Reduced chi-squared =          1.215 for     55 degrees of freedom 
# Null hypothesis probability =   1.318824e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.722e-07   1.090e-07
25- 50  3.570e-07   1.976e-07
50-150  7.364e-07   4.436e-07
15-150  1.266e-06   6.286e-07

Peak spectrum fit

Power-law model
Time interval is from  956.872 sec. to  957.872 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.206591     ( 0.194619   1.59194 )
Norm@50keV  : 1.45656E-03    ( -0.0014608   0.0019069 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.60 using 59 PHA bins.
# Reduced chi-squared =         0.7825 for     57 degrees of freedom 
# Null hypothesis probability =   8.838220e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.212881 ( -0.213224  0.20522 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.96156e-08 ( -2.70268e-08  2.73854e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  956.872 sec. to  957.872 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.11212     (     )
Epeak [keV] : 74.0677      (   )
Norm@50keV  : 5.65442    ( -6.23398   1162.16 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.23 using 59 PHA bins.
# Reduced chi-squared =         0.7720 for     56 degrees of freedom 
# Null hypothesis probability =   8.940967e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.320392 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from  956.872 sec. to  957.872 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.06494   ( 1.10626   1.10626 )
beta        : 0.226893    ( -1.60012   -0.206175 )
Epeak [keV] : 24.5768      ( -25.348 -25.348 )
Norm@50keV   : 1.73131E-03    ( -0.00174365   6608.7 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.60 using 59 PHA bins.
# Reduced chi-squared =         0.8110 for     55 degrees of freedom 
# Null hypothesis probability =   8.406420e-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]    : 37.8534  (  )
R^2/D10^2   : 2.07952E-03  (-0.00209227   0.0288562)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.19 using 59 PHA bins.
# Reduced chi-squared =         0.7752 for     57 degrees of freedom 
# Null hypothesis probability =   8.925303e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 7.00000       (-7      -7)
Norm        : 0.0       (0     0)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.85 using 59 PHA bins.
# Reduced chi-squared =         0.8395 for     57 degrees of freedom 
# Null hypothesis probability =   8.006709e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.00000        (-4      -4)
R1^2/D10^2  : 0.0        (0      0)
kT2 [keV]   : 38.3884        (-23.292      -38.3884)
R2^2/D10^2  : 2.11458E-03    (-0.00209599   0.0287102)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.18 using 59 PHA bins.
# Reduced chi-squared =         0.8033 for     55 degrees of freedom 
# Null hypothesis probability =   8.516864e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Sat Jun 14 21:02:10 EDT 2014