batgrbproduct Analysis for Trigger=597320

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Apr 27 21:15:47 EDT 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger597320/GCN5_download_cron
======================================================================

  Trigger: 00597320      Segment: 000

  BAT Trigger Time: 420279672   [s; MET]
      Trigger Stop: 420280056   [s; MET]
               UTC: 2014-04-27T08:21:00.061600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 266.124661043613   Dec: -28.7191749633205  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    11.09
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    11.09

  Flight Position:   [ source = BAT ]
    RA: 266.124661043613   Dec: -28.7191749633205  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.144924204023   Dec: -28.733845642282  [deg; J2000]  
        { 17h 44m 34.8s , -28d 44' 01.8" }
         +/- 2.31640108593819 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.05353987920046 [arcmin] (formal 1-sigma fit error)
    SNR: 9.16127386217842
 
  Angular difference between Flight and Ground position is 1.382574 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 384 +/- 
        Measured from: 0
                   to: 384     [s; relative to TRIGTIME]
     T50: 384 +/- 
        Measured from: 0
                   to: 384     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 384 second)
        Measured from: 0     
                   to: 384     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 384     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.903623   0.589361   0.126017  -0.081512
           0.120018   0.108272   0.089389   0.075669 [error]
 Peak      1.903623   0.589361   0.126017  -0.081512
           0.120018   0.108272   0.089389   0.075669 [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 5.16e-07 2.90e-07 1.03e-07 4.78e-08 9.34e-07 9.57e-07   erg/cm2
              Error 6.61e-08 5.68e-08 4.33e-08 3.57e-08 1.35e-07 1.49e-07   erg/cm2
Peak flux Power-law 4.57e-02 1.46e-02 2.58e-03 5.31e-04 6.31e-02 6.33e-02   ph/cm2/s
              Error 5.98e-03 2.71e-03 1.05e-03 3.75e-04 7.53e-03 7.56e-03   ph/cm2/s
 
Fluence   Cutoff-PL 5.38e-07 2.64e-07 1.57e-08 3.78e-11 8.19e-07 8.19e-07   erg/cm2
              Error 7.40e-08 8.46e-08 5.07e-08 1.55e-08 1.32e-07 1.30e-07   erg/cm2
Peak flux Cutoff-PL 4.70e-02 1.39e-02 4.50e-04 5.75e-07 6.14e-02 6.13e-02   ph/cm2/s
              Error 6.55e-03 3.89e-03 1.29e-03 1.85e-04 7.43e-03 7.43e-03   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    3.497    0.359    -      -           1.57e-04 5.04e-05   62.750 57
CPL   1.019    0.000       9.5    0.0      1.29e-02 0.00e+00   59.690 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.497    0.359    -      -           1.57e-04 5.04e-05   62.750 57
CPL   1.019    0.000       9.5    0.0      1.29e-02 0.00e+00   59.690 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  384.000    0.000  384.000
T90   384.000    0.000  384.000
T50   384.000    0.000  384.000
Peak  384.000    0.000  384.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  266.1449 -28.7338 0.0212    0.0  103.6       2.7850     9.2  TRIG_00597320       
------------------------------------------
 
Foreground time interval of the image:
  0.000  82.240 (delta_t =  82.240 [sec])
 83.000 147.140 (delta_t =  64.140 [sec])
148.000 148.303 (delta_t =   0.303 [sec])
150.000 220.370 (delta_t =  70.370 [sec])
221.000 384.000 (delta_t = 163.000 [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 82.240000
83.000000 147.140000
148.000000 148.302500
150.000000 220.370000
221.000000 384.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.49689     ( -0.340295   0.378076 )
Norm@50keV  : 1.56535E-04    ( -4.71643e-05   5.3655e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.75 using 59 PHA bins.
# Reduced chi-squared =          1.101 for     57 degrees of freedom 
# Null hypothesis probability =   2.798560e-01
 
Photon flux (15-150 keV)    in 380.1 sec: 6.31487E-02 ( -0.00752356  0.00752742 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.3443e-07 ( -1.3206e-07  1.38593e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 82.240000
83.000000 147.140000
148.000000 148.302500
150.000000 220.370000
221.000000 384.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.01894     (     )
Epeak [keV] : 9.53824      (   )
Norm@50keV  : 1.29055E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.69 using 59 PHA bins.
# Reduced chi-squared =          1.066 for     56 degrees of freedom 
# Null hypothesis probability =   3.431320e-01
 
Photon flux (15-150 keV)    in 380.1 sec: 6.13516E-02 ( -0.0074047  0.0074603 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.18663e-07 ( -1.16482e-07  1.47323e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 82.240000
83.000000 147.140000
148.000000 148.302500
150.000000 220.370000
221.000000 384.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.05307   ( 1.70732   1.70732 )
beta        : -4.26488    ( 4.12832   0.740895 )
Epeak [keV] : 16.9815      ( -3.9615 2.20839 )
Norm@50keV   : 236.300    ( -236.611   3616.17 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.40 using 59 PHA bins.
# Reduced chi-squared =          1.025 for     55 degrees of freedom 
# Null hypothesis probability =   4.225067e-01
 
Photon flux (15-150 keV)    in 380.1 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]    : 4.21586  (-0.46732  0.539269)
R^2/D10^2   : 1.23789  (-0.574639   1.08568)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.48 using 59 PHA bins.
# Reduced chi-squared =          1.061 for     57 degrees of freedom 
# Null hypothesis probability =   3.512997e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.489e-07   1.121e-07
25- 50  2.297e-07   6.346e-08
50-150  3.803e-09   2.492e-09
15-150  7.824e-07   1.524e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 11.5662       (-2.30451      3.21409)
Norm        : 1.64629       (-0.526282     0.899525)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.80 using 59 PHA bins.
# Reduced chi-squared =          1.049 for     57 degrees of freedom 
# Null hypothesis probability =   3.743529e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.335e-07   1.048e-07
25- 50  2.762e-07   7.344e-08
50-150  2.756e-08   1.699e-08
15-150  8.374e-07   1.530e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.89782        (-1.32281      0.636878)
R1^2/D10^2  : 1.74640        (-0.92006      4.40851)
kT2 [keV]   : 14.8939        (-8.11929      -14.8939)
R2^2/D10^2  : 1.04594E-03    (-0.00104563   0.580493)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.37 using 59 PHA bins.
# Reduced chi-squared =          1.043 for     55 degrees of freedom 
# Null hypothesis probability =   3.873570e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.503e-07   1.782e-07
25- 50  2.512e-07   9.713e-08
50-150  1.117e-07   9.223e-08
15-150  9.132e-07   3.332e-07

Peak spectrum fit

Power-law model
Time interval is from  221.000 sec. to  384.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.49689     ( -0.340295   0.378076 )
Norm@50keV  : 1.56535E-04    ( -4.71643e-05   5.3655e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.75 using 59 PHA bins.
# Reduced chi-squared =          1.101 for     57 degrees of freedom 
# Null hypothesis probability =   2.798560e-01
 
Photon flux (15-150 keV)    in 380.1 sec: 6.31487E-02 ( -0.00752356  0.00752742 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.3443e-07 ( -1.3206e-07  1.38593e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  221.000 sec. to  384.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.01894     (     )
Epeak [keV] : 9.53824      (   )
Norm@50keV  : 1.29055E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.69 using 59 PHA bins.
# Reduced chi-squared =          1.066 for     56 degrees of freedom 
# Null hypothesis probability =   3.431320e-01
 
Photon flux (15-150 keV)    in 380.1 sec: 6.13516E-02 ( -0.0074047  0.0074603 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.18663e-07 ( -1.16482e-07  1.47323e-07 ) ergs/cm2
 
Band function
Time interval is from  221.000 sec. to  384.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -4.52543E-02   ( 1.70732   1.70732 )
beta        : -10.0000    ( 9.99937   0.000676204 )
Epeak [keV] : 13.3916      ( -1.72087 8.92726 )
Norm@50keV   : 7.66469E-02    ( -0.00901456   174.117 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.65 using 59 PHA bins.
# Reduced chi-squared =          1.085 for     55 degrees of freedom 
# Null hypothesis probability =   3.103715e-01
 
Photon flux (15-150 keV)    in 380.1 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]    : 4.21586  (-0.46732  0.539269)
R^2/D10^2   : 1.23789  (-0.574639   1.08568)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.48 using 59 PHA bins.
# Reduced chi-squared =          1.061 for     57 degrees of freedom 
# Null hypothesis probability =   3.512997e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.489e-07   1.034e-07
25- 50  2.297e-07   6.534e-08
50-150  3.803e-09   2.564e-09
15-150  7.824e-07   1.695e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 11.5662       (-2.30451      3.21409)
Norm        : 1.64629       (-0.526282     0.899525)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.80 using 59 PHA bins.
# Reduced chi-squared =          1.049 for     57 degrees of freedom 
# Null hypothesis probability =   3.743529e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.335e-07   1.045e-07
25- 50  2.762e-07   6.901e-08
50-150  2.756e-08   1.711e-08
15-150  8.374e-07   1.518e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.89782        (-1.32281      0.636878)
R1^2/D10^2  : 1.74640        (-0.92006      4.4123)
kT2 [keV]   : 14.8939        (-13.1507      -14.8939)
R2^2/D10^2  : 1.04594E-03    (-0.00104563   0.580493)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.37 using 59 PHA bins.
# Reduced chi-squared =          1.043 for     55 degrees of freedom 
# Null hypothesis probability =   3.873570e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.503e-07   2.263e-07
25- 50  2.512e-07   1.026e-07
50-150  1.117e-07   8.604e-08
15-150  9.132e-07   3.676e-07
Plot creation:
Sun Apr 27 21:40:11 EDT 2014