batgrbproduct Analysis for Trigger=584697

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jan 24 00:55:21 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger584697/GCN5_download_cron
======================================================================

  Trigger: 00584697      Segment: 000

  BAT Trigger Time: 412160432   [s; MET]
      Trigger Stop: 412162112   [s; MET]
               UTC: 2014-01-23T09:00:20.446060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 266.123018457217   Dec: -28.7343784011284  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    20.1
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    20.1

  Flight Position:   [ source = BAT ]
    RA: 266.123018457217   Dec: -28.7343784011284  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.124657734867   Dec: -28.7420968596258  [deg; J2000]  
        { 17h 44m 29.9s , -28d 44' 31.5" }
         +/- 1.76009282852444 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.702339719441339 [arcmin] (formal 1-sigma fit error)
    SNR: 13.5629223424865
 
  Angular difference between Flight and Ground position is 0.471069 arcmin
 
  Partial Coding Fraction: 0.921875    [ including projection effects ]

  Duration
     T90: 1680 +/- 
        Measured from: 0
                   to: 1680     [s; relative to TRIGTIME]
     T50: 1680 +/- 
        Measured from: 0
                   to: 1680     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1680 second)
        Measured from: 0     
                   to: 1680     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1680     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     5.023264   2.174256   0.404467  -0.016287
           0.185075   0.156784   0.127716   0.107671 [error]
 Peak      5.023264   2.174256   0.404467  -0.016287
           0.185075   0.156784   0.127716   0.107671 [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 1.53e-06 9.15e-07 3.50e-07 1.79e-07 2.89e-06 2.97e-06   erg/cm2
              Error 1.37e-07 8.79e-08 7.60e-08 6.98e-08 2.21e-07 2.43e-07   erg/cm2
Peak flux Power-law 8.83e-02 3.00e-02 5.73e-03 1.29e-03 1.25e-01 1.25e-01   ph/cm2/s
              Error 8.13e-03 2.73e-03 1.20e-03 4.75e-04 9.18e-03 9.17e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.51e-06 9.06e-07 7.46e-08 3.07e-10 2.49e-06 2.49e-06   erg/cm2
              Error 1.46e-07 1.16e-07 9.59e-08 7.56e-09 2.37e-07 2.37e-07   erg/cm2
Peak flux Cutoff-PL 8.60e-02 3.07e-02 1.38e-03 3.06e-06 1.18e-01 1.18e-01   ph/cm2/s
              Error 8.80e-03 3.43e-03 1.63e-03 6.96e-05 9.89e-03 9.89e-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    3.386    0.204    -      -           3.38e-04 5.47e-05   76.790 57
CPL   0.601    2.131      13.1    0.0      3.86e-02 0.00e+00   69.480 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.386    0.204    -      -           3.38e-04 5.47e-05   76.790 57
CPL   0.601    2.131      13.1    0.0      3.86e-02 0.00e+00   69.480 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 1680.000    0.000 1680.000
T90  1680.000    0.000 1680.000
T50  1680.000    0.000 1680.000
Peak 1680.000    0.000 1680.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  266.1247 -28.7421 0.0141   13.9  -73.5       7.8013    13.6  TRIG_00584697       
------------------------------------------
 
Foreground time interval of the image:
360.000 363.070 (delta_t =   3.070 [sec])
376.000 697.020 (delta_t = 321.020 [sec])
698.000 704.860 (delta_t =   6.860 [sec])
706.000 709.180 (delta_t =   3.180 [sec])
710.000 817.600 (delta_t = 107.600 [sec])
819.000 820.980 (delta_t =   1.980 [sec])
822.000 876.450 (delta_t =  54.450 [sec])
879.000 933.370 (delta_t =  54.370 [sec])
934.000 934.700 (delta_t =   0.700 [sec])
936.000 963.063 (delta_t =  27.063 [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
360.000000 363.070000
376.000000 697.019700
698.000000 704.860000
706.000000 709.180000
710.000000 817.600000
819.000000 820.980000
822.000000 876.450000
879.000000 933.370000
934.000000 934.700000
936.000000 963.063000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.38581     ( -0.198691   0.208515 )
Norm@50keV  : 3.38276E-04    ( -5.33777e-05   5.612e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.79 using 59 PHA bins.
# Reduced chi-squared =          1.347 for     57 degrees of freedom 
# Null hypothesis probability =   4.140604e-02
 
Photon flux (15-150 keV)    in 580.3 sec: 0.124826 ( -0.00916761  0.00918471 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.88527e-06 ( -2.20226e-07  2.22703e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
360.000000 363.070000
376.000000 697.019700
698.000000 704.860000
706.000000 709.180000
710.000000 817.600000
819.000000 820.980000
822.000000 876.450000
879.000000 933.370000
934.000000 934.700000
936.000000 963.063000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.601263     ( -2.86607   1.39628 )
Epeak [keV] : 13.1143      (   )
Norm@50keV  : 3.85534E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.48 using 59 PHA bins.
# Reduced chi-squared =          1.241 for     56 degrees of freedom 
# Null hypothesis probability =   1.064725e-01
 
Photon flux (15-150 keV)    in 580.3 sec: 0.118006 ( -0.009905  0.009874 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.49264e-06 ( -2.22017e-07  2.51873e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
360.000000 363.070000
376.000000 697.019700
698.000000 704.860000
706.000000 709.180000
710.000000 817.600000
819.000000 820.980000
822.000000 876.450000
879.000000 933.370000
934.000000 934.700000
936.000000 963.063000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.45665   ( -4.80953   -4.45665 )
beta        : -4.19110    ( -0.646531   0.449767 )
Epeak [keV] : 19.2576      ( -1.35206 1.32379 )
Norm@50keV   : 409.994    ( -28.9939   1923.84 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.48 using 59 PHA bins.
# Reduced chi-squared =          1.118 for     55 degrees of freedom 
# Null hypothesis probability =   2.552929e-01
 
Photon flux (15-150 keV)    in 580.3 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]    : 4.75550  (-0.317605  0.346563)
R^2/D10^2   : 1.29391  (-0.398341   0.577282)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.52 using 59 PHA bins.
# Reduced chi-squared =          1.255 for     57 degrees of freedom 
# Null hypothesis probability =   9.331333e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.488e-06   1.645e-07
25- 50  8.568e-07   1.004e-07
50-150  2.717e-08   1.135e-08
15-150  2.372e-06   2.504e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 13.2850       (-1.65747      2.09872)
Norm        : 2.53174       (-0.499755     0.725402)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.08 using 59 PHA bins.
# Reduced chi-squared =          1.230 for     57 degrees of freedom 
# Null hypothesis probability =   1.143501e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.523e-06   1.703e-07
25- 50  9.223e-07   1.024e-07
50-150  1.268e-07   4.169e-08
15-150  2.572e-06   2.342e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.46974        (-0.359759      0.366506)
R1^2/D10^2  : 1.71067        (-0.570448      1.08141)
kT2 [keV]   : 27.5445        (-12.5032      40.8909)
R2^2/D10^2  : 2.54142E-04    (-0.000231592   0.00187338)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.01 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     55 degrees of freedom 
# Null hypothesis probability =   4.001463e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.526e-06   2.173e-07
25- 50  8.486e-07   1.416e-07
50-150  6.207e-07   3.770e-07
15-150  2.996e-06   5.849e-07

Peak spectrum fit

Power-law model
Time interval is from  936.000 sec. to  963.063 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.38581     ( -0.198691   0.208515 )
Norm@50keV  : 3.38276E-04    ( -5.33777e-05   5.612e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.79 using 59 PHA bins.
# Reduced chi-squared =          1.347 for     57 degrees of freedom 
# Null hypothesis probability =   4.140604e-02
 
Photon flux (15-150 keV)    in 580.3 sec: 0.124826 ( -0.00916761  0.00918471 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.88527e-06 ( -2.20226e-07  2.22703e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  936.000 sec. to  963.063 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.601263     ( -2.86607   1.39628 )
Epeak [keV] : 13.1143      (   )
Norm@50keV  : 3.85534E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.48 using 59 PHA bins.
# Reduced chi-squared =          1.241 for     56 degrees of freedom 
# Null hypothesis probability =   1.064725e-01
 
Photon flux (15-150 keV)    in 580.3 sec: 0.118006 ( -0.009905  0.009874 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.49264e-06 ( -2.22017e-07  2.51873e-07 ) ergs/cm2
 
Band function
Time interval is from  936.000 sec. to  963.063 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.45665   ( -4.80953   -4.45665 )
beta        : -4.19110    ( -0.646531   0.449767 )
Epeak [keV] : 19.2576      ( -1.35206 1.32379 )
Norm@50keV   : 409.994    ( -28.9939   1923.84 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.48 using 59 PHA bins.
# Reduced chi-squared =          1.118 for     55 degrees of freedom 
# Null hypothesis probability =   2.552929e-01
 
Photon flux (15-150 keV)    in 580.3 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]    : 4.75550  (-0.317605  0.346563)
R^2/D10^2   : 1.29391  (-0.398341   0.577282)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.52 using 59 PHA bins.
# Reduced chi-squared =          1.255 for     57 degrees of freedom 
# Null hypothesis probability =   9.331333e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.488e-06   1.718e-07
25- 50  8.568e-07   1.103e-07
50-150  2.717e-08   1.173e-08
15-150  2.372e-06   2.196e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 13.2850       (-1.65747      2.09872)
Norm        : 2.53174       (-0.499755     0.725402)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.08 using 59 PHA bins.
# Reduced chi-squared =          1.230 for     57 degrees of freedom 
# Null hypothesis probability =   1.143501e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.523e-06   1.657e-07
25- 50  9.223e-07   9.691e-08
50-150  1.268e-07   4.042e-08
15-150  2.572e-06   2.504e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.46974        (-0.359759      0.366506)
R1^2/D10^2  : 1.71067        (-0.570448      1.08141)
kT2 [keV]   : 27.5445        (-12.5032      40.8909)
R2^2/D10^2  : 2.54142E-04    (-0.000231592   0.00187338)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.01 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     55 degrees of freedom 
# Null hypothesis probability =   4.001463e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.526e-06   2.098e-07
25- 50  8.486e-07   1.454e-07
50-150  6.207e-07   3.599e-07
15-150  2.996e-06   5.867e-07
Plot creation:
Fri Jan 24 01:05:55 EST 2014