batgrbproduct Analysis for Trigger=585149

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Jan 30 00:54:09 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger585149/GCN5_download_cron
======================================================================

  Trigger: 00585149      Segment: 000

  BAT Trigger Time: 412692681.024   [s; MET]
      Trigger Stop: 412692682.048   [s; MET]
               UTC: 2014-01-29T12:51:09.445000    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 326.763234774959   Dec: 26.2066742011522  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.65
     Image Trigger?:     NO
     Rate S/N Ratio:     12.7279220613579  [ if not an image trigger ]
     Image S/N Ratio:    7.65

  Flight Position:   [ source = BAT ]
    RA: 326.763234774959   Dec: 26.2066742011522  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 326.763809315638   Dec: 26.2147531843839  [deg; J2000]  
        { 21h 47m 03.3s , +26d 12' 53.1" }
         +/- 2.05384322233346 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.05104664119103 [arcmin] (formal 1-sigma fit error)
    SNR: 10.8791178452191
 
  Angular difference between Flight and Ground position is 0.485725 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 1.35999995470047 +/- 0.212941257677667
        Measured from: 0.172000110149384
                   to: 1.53200006484985     [s; relative to TRIGTIME]
     T50: 0.843999922275543 +/- 0.233649336427531
        Measured from: 0.340000152587891
                   to: 1.18400007486343     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.171999990940094     
                   to: 1.17199999094009     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.0760000348091125     
                   to: 1.58799999952316     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.067578   0.050921   0.030679   0.005098
           0.008228   0.008206   0.006799   0.006021 [error]
 Peak      0.047543   0.037776   0.022527  -0.001837
           0.006614   0.006802   0.005548   0.004802 [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 1.91e-08 2.26e-08 1.92e-08 2.78e-08 7.08e-08 8.87e-08   erg/cm2
              Error 3.81e-09 3.72e-09 6.25e-09 1.76e-08 1.41e-08 2.54e-08   erg/cm2
Peak flux Power-law 4.50e-01 2.95e-01 1.26e-01 7.32e-02 9.07e-01 9.44e-01   ph/cm2/s
              Error 9.98e-02 5.34e-02 4.35e-02 4.71e-02 1.54e-01 1.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.92e-08 2.25e-08 1.90e-08 2.71e-08 7.02e-08 8.78e-08   erg/cm2
              Error 3.81e-09 3.92e-09 4.17e-09 2.07e-08 1.44e-08 2.85e-08   erg/cm2
Peak flux Cutoff-PL 4.51e-01 2.96e-01 1.25e-01 6.97e-02 9.07e-01 9.45e-01   ph/cm2/s
              Error 1.02e-01 6.19e-02 4.74e-02 5.28e-02 1.56e-01 1.74e-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 9.23e-01 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    2.230    0.331    -      -           4.96e-03 1.17e-03   49.350 57
CPL   2.395    0.000     158.5    0.0      3.99e-03 0.00e+00   49.160 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.232    0.358    -      -           5.39e-03 1.41e-03   66.230 57
CPL   1.977    0.000       3.6    0.0      7.65e-03 0.00e+00   66.330 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    1.512    0.076    1.588
T90     1.360    0.172    1.532
T50     0.844    0.340    1.184
Peak    1.000    0.172    1.172

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  326.7638 +26.2148 0.0177   13.8 -167.8       0.1590    10.9  TRIG_00585149       
------------------------------------------
 
Foreground time interval of the image:
  0.076   1.588 (delta_t =   1.512 [sec])
Background time interval of the image:
-239.024   0.076 (delta_t = 239.100 [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    0.076 sec. to    1.588 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.23047     ( -0.313089   0.349516 )
Norm@50keV  : 4.95548E-03    ( -0.00118641   0.00114478 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.35 using 59 PHA bins.
# Reduced chi-squared =         0.8658 for     57 degrees of freedom 
# Null hypothesis probability =   7.541979e-01
 
Photon flux (15-150 keV)    in 1.512 sec: 0.833764 ( -0.126284  0.126295 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.07637e-08 ( -1.37796e-08  1.44211e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.076 sec. to    1.588 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.39531     (     )
Epeak [keV] : 158.475      (   )
Norm@50keV  : 3.99149E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.16 using 59 PHA bins.
# Reduced chi-squared =         0.8778 for     56 degrees of freedom 
# Null hypothesis probability =   7.295030e-01
 
Photon flux (15-150 keV)    in 1.512 sec: 0.833106 ( -0.126106  0.126202 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.01946e-08 ( -1.40584e-08  1.47332e-08 ) ergs/cm2
 
Band function
Time interval is from    0.076 sec. to    1.588 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -4.99226   -4.99226 )
beta        : -2.29613    ( -0.533778   0.338811 )
Epeak [keV] : 17.8589      ( -17.2689 5.9735 )
Norm@50keV   : 9743.51    ( -1470.25   1.23908e+07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.97 using 59 PHA bins.
# Reduced chi-squared =         0.8904 for     55 degrees of freedom 
# Null hypothesis probability =   7.029395e-01
 
Photon flux (15-150 keV)    in 1.512 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]    : 7.21408  (-1.44328  1.83459)
R^2/D10^2   : 1.33417  (-0.792596   2.0157)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.11 using 59 PHA bins.
# Reduced chi-squared =          1.125 for     57 degrees of freedom 
# Null hypothesis probability =   2.412758e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.738e-08   5.352e-09
25- 50  2.522e-08   6.751e-09
50-150  4.655e-09   2.568e-09
15-150  4.726e-08   1.161e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 44.6119       (-16.7774      34.1066)
Norm        : 4.98877       (-1.34189     2.13318)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.01 using 59 PHA bins.
# Reduced chi-squared =         0.9125 for     57 degrees of freedom 
# Null hypothesis probability =   6.621418e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.791e-08   3.450e-09
25- 50  2.465e-08   6.286e-09
50-150  2.140e-08   1.013e-08
15-150  6.397e-08   1.597e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.67146        (-1.21169      1.50001)
R1^2/D10^2  : 6.71195        (-4.57495      18.9029)
kT2 [keV]   : 21.3195        (-8.20181      22.3207)
R2^2/D10^2  : 1.42703E-02    (-0.0128113   0.0755221)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.01 using 59 PHA bins.
# Reduced chi-squared =         0.8729 for     55 degrees of freedom 
# Null hypothesis probability =   7.364671e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.050e-08   1.073e-08
25- 50  1.981e-08   1.065e-08
50-150  3.269e-08   2.055e-08
15-150  7.299e-08   3.729e-08

Peak spectrum fit

Power-law model
Time interval is from    0.172 sec. to    1.172 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.23219     ( -0.336397   0.380515 )
Norm@50keV  : 5.38574E-03    ( -0.00143247   0.00138873 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.23 using 59 PHA bins.
# Reduced chi-squared =          1.162 for     57 degrees of freedom 
# Null hypothesis probability =   1.885829e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.906991 ( -0.154365  0.154396 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.08786e-08 ( -1.10706e-08  1.16487e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.172 sec. to    1.172 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.97740     (     )
Epeak [keV] : 3.55056      (   )
Norm@50keV  : 7.65169E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.33 using 59 PHA bins.
# Reduced chi-squared =          1.185 for     56 degrees of freedom 
# Null hypothesis probability =   1.625053e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.907210 ( -0.157795  0.15337 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.12654e-08 ( -1.34292e-08  1.11625e-08 ) ergs/cm2
 
Band function
Time interval is from    0.172 sec. to    1.172 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.98788   ( 2.98788   2.98788 )
beta        : -2.23219    ( -0.380515   0.33692 )
Epeak [keV] : 4.16203      ( -4.16203 -4.16203 )
Norm@50keV   : 0.731998    ( -0.194693   0.188748 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.23 using 59 PHA bins.
# Reduced chi-squared =          1.204 for     55 degrees of freedom 
# Null hypothesis probability =   1.428171e-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]    : 7.04587  (-1.38204  1.76757)
R^2/D10^2   : 1.63714  (-0.976286   2.38468)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.14 using 59 PHA bins.
# Reduced chi-squared =          1.318 for     57 degrees of freedom 
# Null hypothesis probability =   5.402232e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.314e-08   4.265e-09
25- 50  1.823e-08   5.545e-09
50-150  3.093e-09   1.852e-09
15-150  3.447e-08   1.104e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 43.1118       (-16.9941      35.9924)
Norm        : 5.58706       (-1.62231     2.64377)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.47 using 59 PHA bins.
# Reduced chi-squared =          1.184 for     57 degrees of freedom 
# Null hypothesis probability =   1.615556e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.314e-08   3.090e-09
25- 50  1.784e-08   4.695e-09
50-150  1.495e-08   7.723e-09
15-150  4.592e-08   1.324e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.09879        (-1.34716      1.55551)
R1^2/D10^2  : 5.15939        (-3.39504      6.05606)
kT2 [keV]   : 22.9174        (-9.72069      26.8075)
R2^2/D10^2  : 1.12686E-02    (-0.0102587   0.0790427)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.17 using 59 PHA bins.
# Reduced chi-squared =          1.167 for     55 degrees of freedom 
# Null hypothesis probability =   1.860415e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.464e-08   7.878e-09
25- 50  1.511e-08   8.040e-09
50-150  2.324e-08   1.449e-08
15-150  5.298e-08   2.945e-08
Plot creation:
Thu Jan 30 01:20:52 EST 2014