batgrbproduct Analysis for Trigger=589685

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Mar  3 05:13:45 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger589685/GCN5_download_cron
======================================================================

  Trigger: 00589685      Segment: 000

  BAT Trigger Time: 415440790.528   [s; MET]
      Trigger Stop: 415440791.552   [s; MET]
               UTC: 2014-03-02T08:12:58.819460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 253.841655755428   Dec: -12.8649539240131  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.66
     Image Trigger?:     NO
     Rate S/N Ratio:     32.2024843762092  [ if not an image trigger ]
     Image S/N Ratio:    14.66

  Flight Position:   [ source = BAT ]
    RA: 253.841655755428   Dec: -12.8649539240131  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 253.861095227846   Dec: -12.8749100700504  [deg; J2000]  
        { 16h 55m 26.7s , -12d 52' 29.7" }
         +/- 1.08153167371989 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.375934323285593 [arcmin] (formal 1-sigma fit error)
    SNR: 27.1951144210707
 
  Angular difference between Flight and Ground position is 1.284434 arcmin
 
  Partial Coding Fraction: 0.8203125    [ including projection effects ]

  Duration
     T90: 87.9079999923706 +/- 10.8750836664086
        Measured from: 0.640000104904175
                   to: 88.5480000972748     [s; relative to TRIGTIME]
     T50: 40.6719999313354 +/- 6.45364766738417
        Measured from: 12.2160001397133
                   to: 52.8880000710487     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0979999899864197     
                   to: 0.90200001001358     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0879999995231628     
                   to: 116.10799998045     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.922603   1.280260   1.336067   0.466741
           0.071054   0.064913   0.054745   0.046890 [error]
 Peak      0.028277   0.083457   0.089129   0.030350
           0.007383   0.007455   0.007001   0.005571 [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 2.28e-07 5.43e-07 1.03e-06 4.70e-06 2.78e-06 6.50e-06   erg/cm2
              Error 1.91e-08 3.43e-08 5.34e-08 6.10e-07 1.39e-07 6.27e-07   erg/cm2
Peak flux Power-law 3.53e-01 5.10e-01 5.47e-01 1.09e+00 1.75e+00 2.50e+00   ph/cm2/s
              Error 7.09e-02 6.29e-02 5.37e-02 2.30e-01 1.70e-01 2.62e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.30e-07 5.44e-07 1.02e-06 4.90e-06 2.78e-06 6.81e-06   erg/cm2
              Error 2.68e-08 3.42e-08 4.22e-08 8.48e-07 1.38e-07 8.37e-07   erg/cm2
Peak flux Cutoff-PL 2.65e-01 5.35e-01 6.09e-01 4.34e-01 1.67e+00 1.84e+00   ph/cm2/s
              Error 8.42e-02 7.26e-02 6.83e-02 2.61e-01 1.77e-01 3.10e-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    1.082    0.093    -      -           2.27e-03 1.11e-04   53.260 57
CPL   1.079    0.094    9999.4    0.0      2.29e-03 3.69e-04   53.300 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.899    0.161    -      -           1.52e-02 1.47e-03   51.940 57
CPL  -0.186    0.798     114.6   68.5      4.61e-02 4.34e-02   44.690 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: 94.080000 sec.
T50 in the 50-300 keV band: 31.552000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  116.196   -0.088  116.108
T90    87.908    0.640   88.548
T50    40.672   12.216   52.888
Peak    1.000   -0.098    0.902

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  253.8611 -12.8749 0.0071   18.4   41.0       1.5145    27.2  TRIG_00589685       
------------------------------------------
 
Foreground time interval of the image:
 -0.088  18.573 (delta_t =  18.661 [sec])
Background time interval of the image:
-239.528 -219.398 (delta_t =  20.130 [sec])
-218.528 -143.148 (delta_t =  75.380 [sec])
-141.528  -0.088 (delta_t = 141.440 [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
Time interval is from   -0.088 sec. to  116.108 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.08208     ( -0.0940131   0.0925794 )
Norm@50keV  : 2.27332E-03    ( -0.000111307   0.000110852 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.26 using 59 PHA bins.
# Reduced chi-squared =         0.9345 for     57 degrees of freedom 
# Null hypothesis probability =   6.159788e-01
 
Photon flux (15-150 keV)    in 116.2 sec: 0.263251 ( -0.0135844  0.0136421 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.77785e-06 ( -1.38667e-07  1.3931e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.088 sec. to  116.108 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.07924     ( -0.0968613   0.0912112 )
Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
Norm@50keV  : 2.28509E-03    ( -0.000110488   0.000628221 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.30 using 59 PHA bins.
# Reduced chi-squared =         0.9517 for     56 degrees of freedom 
# Null hypothesis probability =   5.778607e-01
 
Photon flux (15-150 keV)    in 116.2 sec: 0.263373 ( -0.01382  0.012967 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.77663e-06 ( -1.37046e-07  1.39556e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.088 sec. to  116.108 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.854138   ( 0.854138   0.854138 )
beta        : -1.08209    ( -0.0925929   0.0940277 )
Epeak [keV] : 58.2340      ( -58.234 -58.234 )
Norm@50keV   : 3.98496E-03    ( -0.00152919   120114 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.26 using 59 PHA bins.
# Reduced chi-squared =         0.9685 for     55 degrees of freedom 
# Null hypothesis probability =   5.411865e-01
 
Photon flux (15-150 keV)    in 116.2 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]    : 23.2916  (  )
R^2/D10^2   : 7.43679E-03  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         135.85 using 59 PHA bins.
# Reduced chi-squared =         2.3833 for     57 degrees of freedom 
# Null hypothesis probability =   2.195378e-08
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.444e-08   9.145e-09
25- 50  4.613e-07   3.724e-08
50-150  1.869e-06   1.371e-07
15-150  2.414e-06   1.418e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 1.13032       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         134.71 using 59 PHA bins.
# Reduced chi-squared =         2.3632 for     57 degrees of freedom 
# Null hypothesis probability =   3.099306e-08
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.271e-07   1.784e-08
25- 50  6.291e-07   3.544e-08
50-150  1.380e-06   2.325e-07
15-150  2.336e-06   1.551e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.65841        (-1.296      1.59261)
R1^2/D10^2  : 0.251880        (-0.13362      0.330082)
kT2 [keV]   : 32.6069        (-4.00945      6.03759)
R2^2/D10^2  : 2.37477E-03    (-0.000964509   0.00122805)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.66 using 59 PHA bins.
# Reduced chi-squared =         0.9575 for     55 degrees of freedom 
# Null hypothesis probability =   5.645166e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.409e-07   6.443e-08
25- 50  5.223e-07   7.890e-08
50-150  2.042e-06   2.568e-07
15-150  2.805e-06   3.329e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.098 sec. to    0.902 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.899060     ( -0.164112   0.158384 )
Norm@50keV  : 1.52256E-02    ( -0.00147873   0.00147063 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.94 using 59 PHA bins.
# Reduced chi-squared =         0.9113 for     57 degrees of freedom 
# Null hypothesis probability =   6.647083e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.74754 ( -0.16951  0.170067 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.70933e-07 ( -1.70848e-08  1.71824e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.098 sec. to    0.902 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.186329     ( -0.876867   0.718479 )
Epeak [keV] : 114.565      ( -28.6446 108.32 )
Norm@50keV  : 4.61358E-02    ( -0.0235837   0.0632305 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.69 using 59 PHA bins.
# Reduced chi-squared =         0.7981 for     56 degrees of freedom 
# Null hypothesis probability =   8.612413e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.66945 ( -0.17673  0.17714 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.60488e-07 ( -1.9462e-08  1.9138e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.098 sec. to    0.902 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.856641   ( 0.856453   0.856453 )
beta        : -0.899130    ( -0.15829   0.163814 )
Epeak [keV] : 13.7962      ( -13.7952 -13.7952 )
Norm@50keV   : 2.28756E-02    ( -0.00921701   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.94 using 59 PHA bins.
# Reduced chi-squared =         0.9444 for     55 degrees of freedom 
# Null hypothesis probability =   5.921346e-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]    : 21.9168  (-2.57419  3.10907)
R^2/D10^2   : 6.54478E-02  (-0.0221548   0.0317597)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.03 using 59 PHA bins.
# Reduced chi-squared =         0.8776 for     57 degrees of freedom 
# Null hypothesis probability =   7.319661e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.828e-09   1.145e-09
25- 50  3.075e-08   4.060e-09
50-150  1.103e-07   1.767e-08
15-150  1.469e-07   1.900e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 7.07973       (-0.70977     0.7097)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          93.12 using 59 PHA bins.
# Reduced chi-squared =          1.634 for     57 degrees of freedom 
# Null hypothesis probability =   1.787961e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.763e-08   9.875e-09
25- 50  3.392e-08   1.833e-08
50-150  7.440e-08   3.790e-08
15-150  1.260e-07   6.829e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 14.4597        (-5.31108      4.80484)
R1^2/D10^2  : 0.162871        (-0.0811649      0.241549)
kT2 [keV]   : 55.4743        (-37.3843      -55.4472)
R2^2/D10^2  : 2.68244E-03    (-0.00235908   0.0266805)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.86 using 59 PHA bins.
# Reduced chi-squared =         0.7611 for     55 degrees of freedom 
# Null hypothesis probability =   9.039174e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.998e-09   4.168e-09
25- 50  3.365e-08   1.783e-08
50-150  1.210e-07   6.004e-08
15-150  1.627e-07   7.605e-08
Plot creation:
Mon Mar  3 05:52:46 EST 2014