batgrbproduct Analysis for Trigger=592558

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Mar 20 21:50:28 EDT 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger592558/GCN5_download_cron
======================================================================

  Trigger: 00592558      Segment: 000

  BAT Trigger Time: 416988672   [s; MET]
      Trigger Stop: 416988736   [s; MET]
               UTC: 2014-03-20T06:11:00.218080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 190.635960716797   Dec: 11.5788935716526  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.83
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.83

  Flight Position:   [ source = BAT ]
    RA: 190.635960716797   Dec: 11.5788935716526  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 190.671998208929   Dec: 11.5667507045578  [deg; J2000]  
        { 12h 42m 41.3s , +11d 34' 00.3" }
         +/- 4.41734455012791 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.79422410508833 [arcmin] (formal 1-sigma fit error)
    SNR: 3.64300204725624
 
  Angular difference between Flight and Ground position is 2.240085 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.120965   0.116815   0.115736  -0.026572
           0.037117   0.038397   0.033785   0.030253 [error]
 Peak      0.120965   0.116815   0.115736  -0.026572
           0.037117   0.038397   0.033785   0.030253 [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 3.54e-08 5.58e-08 6.62e-08 1.53e-07 2.02e-07 3.10e-07   erg/cm2
              Error 1.43e-08 1.61e-08 3.13e-08 1.50e-07 7.35e-08 1.82e-07   erg/cm2
Peak flux Power-law 1.81e-02 1.57e-02 9.31e-03 8.31e-03 4.67e-02 5.14e-02   ph/cm2/s
              Error 7.46e-03 4.51e-03 4.25e-03 7.50e-03 1.34e-02 1.56e-02   ph/cm2/s
 
Fluence   Cutoff-PL 3.35e-08 5.98e-08 6.68e-08 6.49e-08 1.93e-07 2.25e-07   erg/cm2
              Error 1.61e-08 2.05e-08 5.09e-08 1.31e-07 7.63e-08 1.93e-07   erg/cm2
Peak flux Cutoff-PL 1.70e-02 1.67e-02 9.50e-03 4.24e-03 4.59e-02 4.75e-02   ph/cm2/s
              Error 8.43e-03 5.63e-03 4.76e-03 8.47e-03 1.02e-02 1.67e-02   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 4.72e-02 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    1.752    0.542    -      -           3.45e-04 1.21e-04   55.610 57
CPL   1.216    1.699      65.6    0.0      6.84e-04 0.00e+00   55.330 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.752    0.542    -      -           3.45e-04 1.21e-04   55.610 57
CPL   1.216    1.699      65.6    0.0      6.84e-04 0.00e+00   55.330 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  190.6720 +11.5668 0.0529   10.7   18.4       0.2689     3.6  TRIG_00592558       
------------------------------------------
 
Foreground time interval of the image:
  0.000  60.392 (delta_t =  60.392 [sec])
 61.000  64.000 (delta_t =   3.000 [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 60.392000
61.000000 64.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.75187     ( -0.505683   0.578225 )
Norm@50keV  : 3.44854E-04    ( -0.000124935   0.000117591 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.61 using 59 PHA bins.
# Reduced chi-squared =         0.9756 for     57 degrees of freedom 
# Null hypothesis probability =   5.273327e-01
 
Photon flux (15-150 keV)    in 63.39 sec: 4.66622E-02 ( -0.0134271  0.0134279 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.01692e-07 ( -7.1192e-08  7.5746e-08 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 60.392000
61.000000 64.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.21577     ( -2.39054   1.00709 )
Epeak [keV] : 65.6069      (   )
Norm@50keV  : 6.84277E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.33 using 59 PHA bins.
# Reduced chi-squared =         0.9881 for     56 degrees of freedom 
# Null hypothesis probability =   5.000967e-01
 
Photon flux (15-150 keV)    in 63.39 sec: 4.59170E-02 ( -0.0068936  0.0135849 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.92762e-07 ( -7.19851e-08  8.05972e-08 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 60.392000
61.000000 64.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.20523   ( -0.735824   2.4528 )
beta        : -10.0000    ( 10   3.55271e-15 )
Epeak [keV] : 64.9018      ( -54.0092 -64.9923 )
Norm@50keV   : 6.95236E-04    ( -0.000694336   0.0132948 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.33 using 59 PHA bins.
# Reduced chi-squared =          1.006 for     55 degrees of freedom 
# Null hypothesis probability =   4.620725e-01
 
Photon flux (15-150 keV)    in 63.39 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]    : 12.7108  (-4.59456  6.12672)
R^2/D10^2   : 9.29370E-03  (-0.00923414   0.0366938)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.58 using 59 PHA bins.
# Reduced chi-squared =          1.028 for     57 degrees of freedom 
# Null hypothesis probability =   4.171519e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.019e-08   1.254e-08
25- 50  6.784e-08   4.038e-08
50-150  6.837e-08   4.729e-08
15-150  1.564e-07   9.575e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 108.371       (-68.1354      -108.1)
Norm        : 0.203952       (-0.064641     0.103972)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.35 using 59 PHA bins.
# Reduced chi-squared =         0.9710 for     57 degrees of freedom 
# Null hypothesis probability =   5.372589e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.377e-08   2.053e-08
25- 50  5.932e-08   3.537e-08
50-150  1.005e-07   7.689e-08
15-150  1.936e-07   1.303e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.51099        (-2.57763      4.52528)
R1^2/D10^2  : 0.279642        (-0.259357      0.82431)
kT2 [keV]   : 18.8219        (-7.12594      19.2031)
R2^2/D10^2  : 1.87885E-03    (-0.00173931   0.00928493)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.21 using 59 PHA bins.
# Reduced chi-squared =         0.9857 for     55 degrees of freedom 
# Null hypothesis probability =   5.046466e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.635e-08   2.152e-08
25- 50  5.384e-08   3.000e-08
50-150  1.037e-07   6.897e-08
15-150  1.938e-07   1.110e-07

Peak spectrum fit

Power-law model
Time interval is from   61.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.75187     ( -0.505683   0.578225 )
Norm@50keV  : 3.44854E-04    ( -0.000124935   0.000117591 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.61 using 59 PHA bins.
# Reduced chi-squared =         0.9756 for     57 degrees of freedom 
# Null hypothesis probability =   5.273327e-01
 
Photon flux (15-150 keV)    in 63.39 sec: 4.66622E-02 ( -0.0134271  0.0134279 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.01692e-07 ( -7.1192e-08  7.5746e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   61.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.21577     ( -2.39054   1.00725 )
Epeak [keV] : 65.6069      (   )
Norm@50keV  : 6.84277E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.33 using 59 PHA bins.
# Reduced chi-squared =         0.9881 for     56 degrees of freedom 
# Null hypothesis probability =   5.000967e-01
 
Photon flux (15-150 keV)    in 63.39 sec: 4.59170E-02 ( -0.0068936  0.0135849 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.92762e-07 ( -7.19851e-08  8.05972e-08 ) ergs/cm2
 
Band function
Time interval is from   61.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.20523   ( -0.735819   2.4528 )
beta        : -10.0000    ( 10   2.84217e-14 )
Epeak [keV] : 64.9018      ( -53.6014 -64.9923 )
Norm@50keV   : 6.95236E-04    ( -0.000694336   0.0132948 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.33 using 59 PHA bins.
# Reduced chi-squared =          1.006 for     55 degrees of freedom 
# Null hypothesis probability =   4.620725e-01
 
Photon flux (15-150 keV)    in 63.39 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]    : 12.7108  (-4.59456  6.12672)
R^2/D10^2   : 9.29370E-03  (-0.00923414   0.0366938)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.58 using 59 PHA bins.
# Reduced chi-squared =          1.028 for     57 degrees of freedom 
# Null hypothesis probability =   4.171519e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.019e-08   1.231e-08
25- 50  6.784e-08   4.250e-08
50-150  6.837e-08   4.612e-08
15-150  1.564e-07   9.873e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 108.371       (-68.1354      -108.1)
Norm        : 0.203952       (-0.064641     0.103972)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.35 using 59 PHA bins.
# Reduced chi-squared =         0.9710 for     57 degrees of freedom 
# Null hypothesis probability =   5.372589e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.377e-08   2.078e-08
25- 50  5.932e-08   3.534e-08
50-150  1.005e-07   7.439e-08
15-150  1.936e-07   1.239e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.51099        (-2.57763      4.52528)
R1^2/D10^2  : 0.279642        (-0.259357      0.82431)
kT2 [keV]   : 18.8219        (-7.12594      19.2031)
R2^2/D10^2  : 1.87885E-03    (-0.00173931   0.00928493)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.21 using 59 PHA bins.
# Reduced chi-squared =         0.9857 for     55 degrees of freedom 
# Null hypothesis probability =   5.046466e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.635e-08   2.195e-08
25- 50  5.384e-08   2.892e-08
50-150  1.037e-07   6.469e-08
15-150  1.938e-07   1.080e-07
Plot creation:
Thu Mar 20 22:12:46 EDT 2014