batgrbproduct Analysis for Trigger=583861

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 15 01:58:55 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger583861/GCN5_download_cron
======================================================================

  Trigger: 00583861      Segment: 000

  BAT Trigger Time: 411393472   [s; MET]
      Trigger Stop: 411393536   [s; MET]
               UTC: 2014-01-14T11:57:40.482160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 188.482555589256   Dec: 27.9264396826658  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.96
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.96

  Flight Position:   [ source = BAT ]
    RA: 188.482555589256   Dec: 27.9264396826658  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 188.497838352254   Dec: 27.9427346240143  [deg; J2000]  
        { 12h 33m 59.5s , +27d 56' 33.8" }
         +/- 1.89509061411586 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.83739794383548 [arcmin] (formal 1-sigma fit error)
    SNR: 12.2040540353743
 
  Angular difference between Flight and Ground position is 1.269721 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 139.699999928474 +/- 16.5221713749102
        Measured from: 44.5960001349449
                   to: 184.296000063419     [s; relative to TRIGTIME]
     T50: 52.3359999060631 +/- 2.97106375812777
        Measured from: 87.3920001387596
                   to: 139.728000044823     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 115.879999995232     
                   to: 116.879999995232     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 24.255999982357     
                   to: 202.519999980927     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.528032   2.468077   1.153391   0.228242
           0.076002   0.078372   0.067697   0.057705 [error]
 Peak      0.045310   0.045466   0.017875   0.006809
           0.006175   0.006537   0.005502   0.004525 [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 7.40e-07 9.66e-07 9.24e-07 1.57e-06 3.15e-06 4.20e-06   erg/cm2
              Error 5.12e-08 4.02e-08 6.61e-08 2.34e-07 1.47e-07 2.93e-07   erg/cm2
Peak flux Power-law 4.22e-01 3.07e-01 1.48e-01 1.01e-01 9.25e-01 9.78e-01   ph/cm2/s
              Error 8.64e-02 4.91e-02 4.26e-02 5.40e-02 1.44e-01 1.57e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.16e-07 9.88e-07 9.18e-07 1.03e-06 3.07e-06 3.65e-06   erg/cm2
              Error 6.11e-08 5.01e-08 6.97e-08 5.59e-07 1.87e-07 5.87e-07   erg/cm2
Peak flux Cutoff-PL 4.13e-01 3.24e-01 1.44e-01 5.10e-02 9.14e-01 9.32e-01   ph/cm2/s
              Error 9.13e-02 6.77e-02 5.16e-02 8.50e-02 1.47e-01 1.75e-01   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    2.064    0.088    -      -           1.95e-03 9.76e-05   51.700 57
CPL   1.822    0.320      32.5   24.2      2.64e-03 1.21e-03   50.260 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.051    0.301    -      -           6.02e-03 1.31e-03   45.700 57
CPL   1.626    1.228      33.7    0.0      1.10e-02 0.00e+00   45.350 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: 128.704000 sec.
T50 in the 50-300 keV band: 53.696000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  178.264   24.256  202.520
T90   139.700   44.596  184.296
T50    52.336   87.392  139.728
Peak    1.000  115.880  116.880

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  188.4978 +27.9427 0.0158    6.9 -168.1       0.9258    12.2  TRIG_00583861       
------------------------------------------
 
Foreground time interval of the image:
 24.256  28.951 (delta_t =   4.695 [sec])
 30.000  49.670 (delta_t =  19.670 [sec])
 51.000  72.001 (delta_t =  21.001 [sec])
Background time interval of the image:
-239.000 -197.470 (delta_t =  41.530 [sec])
-196.000  24.256 (delta_t = 220.256 [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
24.256000 28.951300
30.000000 49.670000
51.000000 148.820000
150.000000 202.520000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.06371     ( -0.086977   0.0885666 )
Norm@50keV  : 1.94838E-03    ( -9.8092e-05   9.71585e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.70 using 59 PHA bins.
# Reduced chi-squared =         0.9070 for     57 degrees of freedom 
# Null hypothesis probability =   6.734957e-01
 
Photon flux (15-150 keV)    in 174.7 sec: 0.301154 ( -0.013203  0.0132417 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.15234e-06 ( -1.46071e-07  1.47129e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
24.256000 28.951300
30.000000 49.670000
51.000000 148.820000
150.000000 202.520000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.82182     ( -0.370985   0.26849 )
Epeak [keV] : 32.4679      ( -28.4385 19.9592 )
Norm@50keV  : 2.63958E-03    ( -0.00089068   0.0015377 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.26 using 59 PHA bins.
# Reduced chi-squared =         0.8974 for     56 degrees of freedom 
# Null hypothesis probability =   6.910418e-01
 
Photon flux (15-150 keV)    in 174.7 sec: 0.295962 ( -0.014965  0.014991 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.06854e-06 ( -1.86213e-07  1.87488e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
24.256000 28.951300
30.000000 49.670000
51.000000 148.820000
150.000000 202.520000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.65398   ( 1.65398   1.65398 )
beta        : -2.21367    ( 2.21367   0.204729 )
Epeak [keV] : 33.1165      ( -33.1165 15.0099 )
Norm@50keV   : 3.37174E-03    ( -0.00105946   407.938 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.83 using 59 PHA bins.
# Reduced chi-squared =         0.9061 for     55 degrees of freedom 
# Null hypothesis probability =   6.717853e-01
 
Photon flux (15-150 keV)    in 174.7 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]    : 10.4182  (  )
R^2/D10^2   : 0.110350  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         165.91 using 59 PHA bins.
# Reduced chi-squared =         2.9106 for     57 degrees of freedom 
# Null hypothesis probability =   1.426981e-12
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.316e-07   3.520e-08
25- 50  1.136e-06   5.381e-08
50-150  6.666e-07   7.556e-08
15-150  2.234e-06   1.109e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 64.6797       (-8.41091      10.4413)
Norm        : 1.48082       (-0.115154     0.128027)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.05 using 59 PHA bins.
# Reduced chi-squared =         0.9658 for     57 degrees of freedom 
# Null hypothesis probability =   5.485612e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.574e-07   4.053e-08
25- 50  1.023e-06   4.158e-08
50-150  1.237e-06   1.333e-07
15-150  2.918e-06   1.424e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.44035        (-0.7811      0.884604)
R1^2/D10^2  : 0.991614        (-0.425379      0.866649)
kT2 [keV]   : 18.3387        (-2.5098      3.69975)
R2^2/D10^2  : 9.25899E-03    (-0.00484687   0.00783604)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.40 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     55 degrees of freedom 
# Null hypothesis probability =   4.594089e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.919e-07   1.033e-07
25- 50  9.744e-07   1.108e-07
50-150  1.273e-06   2.489e-07
15-150  2.939e-06   3.905e-07

Peak spectrum fit

Power-law model
Time interval is from  115.880 sec. to  116.880 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.05086     ( -0.285874   0.315925 )
Norm@50keV  : 6.01902E-03    ( -0.00133574   0.0012911 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.70 using 59 PHA bins.
# Reduced chi-squared =         0.8018 for     57 degrees of freedom 
# Null hypothesis probability =   8.585304e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.924625 ( -0.143862  0.143889 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.56875e-08 ( -1.10568e-08  1.15186e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  115.880 sec. to  116.880 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62624     ( -1.64066   0.816095 )
Epeak [keV] : 33.6623      (   )
Norm@50keV  : 1.10127E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.35 using 59 PHA bins.
# Reduced chi-squared =         0.8098 for     56 degrees of freedom 
# Null hypothesis probability =   8.447762e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.914271 ( -0.146458  0.146649 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.28538e-08 ( -1.27587e-08  1.35815e-08 ) ergs/cm2
 
Band function
Time interval is from  115.880 sec. to  116.880 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.95747   ( -4.95747   -4.95747 )
beta        : -2.19122    ( -0.469429   0.343315 )
Epeak [keV] : 20.7595      ( -20.7595 5.07548 )
Norm@50keV   : 3340.29    ( -515.901   9.79852e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.68 using 59 PHA bins.
# Reduced chi-squared =         0.8123 for     55 degrees of freedom 
# Null hypothesis probability =   8.386085e-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]    : 8.53756  (-1.47501  1.7857)
R^2/D10^2   : 0.799531  (-0.416816   0.869106)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.70 using 59 PHA bins.
# Reduced chi-squared =         0.9245 for     57 degrees of freedom 
# Null hypothesis probability =   6.371152e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.101e-08   3.471e-09
25- 50  2.151e-08   5.460e-09
50-150  6.965e-09   3.308e-09
15-150  3.949e-08   9.975e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 56.1232       (-21.0358      43.5306)
Norm        : 5.03276       (-1.19675     1.63061)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.48 using 59 PHA bins.
# Reduced chi-squared =         0.7978 for     57 degrees of freedom 
# Null hypothesis probability =   8.640081e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.250e-08   2.783e-09
25- 50  1.863e-08   3.660e-09
50-150  2.003e-08   9.805e-09
15-150  5.116e-08   1.267e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.88221        (-2.90654      2.58811)
R1^2/D10^2  : 2.60947        (-1.83562      30.6293)
kT2 [keV]   : 20.6720        (-17.8421      -20.8286)
R2^2/D10^2  : 1.63088E-02    (-0.0155484   0.0422382)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.41 using 59 PHA bins.
# Reduced chi-squared =         0.8256 for     55 degrees of freedom 
# Null hypothesis probability =   8.183945e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.298e-08   7.425e-09
25- 50  1.787e-08   9.390e-09
50-150  2.239e-08   1.482e-08
15-150  5.324e-08   2.920e-08
Plot creation:
Wed Jan 15 02:22:23 EST 2014