batgrbproduct Analysis for Trigger=586480

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Feb 13 10:00:17 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger586480/GCN5_download_cron
======================================================================

  Trigger: 00586480      Segment: 000

  BAT Trigger Time: 413918144   [s; MET]
      Trigger Stop: 413918208   [s; MET]
               UTC: 2014-02-12T17:15:32.363320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 266.155363882785   Dec: -28.7089943990076  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.81
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.81

  Flight Position:   [ source = BAT ]
    RA: 266.155363882785   Dec: -28.7089943990076  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.150942913612   Dec: -28.6727059400539  [deg; J2000]  
        { 17h 44m 36.2s , -28d 40' 21.7" }
         +/- 2.9818251668845 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.53564035330815 [arcmin] (formal 1-sigma fit error)
    SNR: 6.38684975840073
 
  Angular difference between Flight and Ground position is 2.189706 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     0.437383   0.354659   0.016967  -0.012601
           0.057293   0.052161   0.043187   0.037835 [error]
 Peak      0.437383   0.354659   0.016967  -0.012601
           0.057293   0.052161   0.043187   0.037835 [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 1.23e-07 1.21e-07 8.38e-08 9.11e-08 3.65e-07 4.19e-07   erg/cm2
              Error 2.44e-08 2.40e-08 3.19e-08 6.42e-08 7.80e-08 1.15e-07   erg/cm2
Peak flux Power-law 6.35e-02 3.49e-02 1.20e-02 5.41e-03 1.13e-01 1.16e-01   ph/cm2/s
              Error 1.28e-02 6.67e-03 4.44e-03 3.57e-03 1.92e-02 1.98e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.15e-07 1.52e-07 5.08e-08 2.42e-09 3.20e-07 3.20e-07   erg/cm2
              Error 2.76e-08 3.37e-08 3.62e-08 1.43e-08 6.54e-08 6.63e-08   erg/cm2
Peak flux Cutoff-PL 5.78e-02 4.38e-02 7.95e-03 2.08e-04 1.10e-01 1.10e-01   ph/cm2/s
              Error 1.46e-02 9.43e-03 5.20e-03 1.06e-03 1.87e-02 1.87e-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 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    2.536    0.355    -      -           5.65e-04 1.61e-04   45.530 57
CPL   0.065    2.144      26.6    0.0      2.27e-02 0.00e+00   39.680 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.536    0.355    -      -           5.65e-04 1.61e-04   45.530 57
CPL   0.065    2.144      26.6    0.0      2.27e-02 0.00e+00   39.680 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
  266.1509 -28.6727 0.0301    5.1  154.1       0.6852     6.4  TRIG_00586480       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [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
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.53596     ( -0.330731   0.378672 )
Norm@50keV  : 5.64619E-04    ( -0.000159689   0.000161669 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.53 using 59 PHA bins.
# Reduced chi-squared =         0.7988 for     57 degrees of freedom 
# Null hypothesis probability =   8.626542e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.113405 ( -0.019162  0.0191737 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.6494e-07 ( -7.58029e-08  8.02413e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.49089E-02     ( -2.47575   1.81321 )
Epeak [keV] : 26.6442      (   )
Norm@50keV  : 2.27328E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.68 using 59 PHA bins.
# Reduced chi-squared =         0.7086 for     56 degrees of freedom 
# Null hypothesis probability =   9.514209e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.109780 ( -0.0186705  0.018774 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.19931e-07 ( -6.11034e-08  6.96941e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.229531   ( -1.71707   2.6093 )
beta        : -9.37167    ( 9.37167   19.3711 )
Epeak [keV] : 26.3249      ( -5.56851 6.86957 )
Norm@50keV   : 1.72204E-02    ( -0.0200885   0.770622 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.75 using 59 PHA bins.
# Reduced chi-squared =         0.7227 for     55 degrees of freedom 
# Null hypothesis probability =   9.394917e-01
 
Photon flux (15-150 keV)    in 64 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]    : 7.45791  (-1.17494  1.33672)
R^2/D10^2   : 0.172946  (-0.0859602   0.179215)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.13 using 59 PHA bins.
# Reduced chi-squared =         0.7216 for     57 degrees of freedom 
# Null hypothesis probability =   9.438907e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.051e-07   2.650e-08
25- 50  1.623e-07   4.534e-08
50-150  3.364e-08   1.850e-08
15-150  3.011e-07   7.667e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 29.5493       (-8.70519      13.8187)
Norm        : 0.943515       (-0.271392     0.403213)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.95 using 59 PHA bins.
# Reduced chi-squared =         0.7185 for     57 degrees of freedom 
# Null hypothesis probability =   9.461850e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.219e-07   2.723e-08
25- 50  1.382e-07   3.699e-08
50-150  7.417e-08   4.278e-08
15-150  3.343e-07   9.146e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.21049        (-3.24274      -3.24274)
R1^2/D10^2  : 2.41883        (-2.38206      -2.38206)
kT2 [keV]   : 8.75195        (-1.94779      -8.76984)
R2^2/D10^2  : 7.59135E-02    (-0.0752914   0.169517)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.09 using 59 PHA bins.
# Reduced chi-squared =         0.7107 for     55 degrees of freedom 
# Null hypothesis probability =   9.483656e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.149e-07   5.613e-08
25- 50  1.531e-07   8.646e-08
50-150  5.081e-08   3.328e-08
15-150  3.189e-07   1.588e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.53596     ( -0.330731   0.378672 )
Norm@50keV  : 5.64619E-04    ( -0.000159689   0.000161669 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.53 using 59 PHA bins.
# Reduced chi-squared =         0.7988 for     57 degrees of freedom 
# Null hypothesis probability =   8.626542e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.113405 ( -0.019162  0.0191737 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.6494e-07 ( -7.58029e-08  8.02413e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.49089E-02     ( -2.47575   1.81321 )
Epeak [keV] : 26.6442      (   )
Norm@50keV  : 2.27328E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.68 using 59 PHA bins.
# Reduced chi-squared =         0.7086 for     56 degrees of freedom 
# Null hypothesis probability =   9.514209e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.109780 ( -0.0186705  0.018774 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.19931e-07 ( -6.11034e-08  6.96941e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.229531   ( -1.71707   2.6093 )
beta        : -9.37167    ( 9.37167   19.3711 )
Epeak [keV] : 26.3249      ( -5.56851 6.86957 )
Norm@50keV   : 1.72204E-02    ( -0.0200885   0.770622 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.75 using 59 PHA bins.
# Reduced chi-squared =         0.7227 for     55 degrees of freedom 
# Null hypothesis probability =   9.394917e-01
 
Photon flux (15-150 keV)    in 64 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]    : 7.45791  (-1.17494  1.33672)
R^2/D10^2   : 0.172946  (-0.0859602   0.179215)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.13 using 59 PHA bins.
# Reduced chi-squared =         0.7216 for     57 degrees of freedom 
# Null hypothesis probability =   9.438907e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.051e-07   2.727e-08
25- 50  1.623e-07   4.688e-08
50-150  3.364e-08   1.714e-08
15-150  3.011e-07   8.915e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 29.5493       (-8.70519      13.8187)
Norm        : 0.943515       (-0.271392     0.403213)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.95 using 59 PHA bins.
# Reduced chi-squared =         0.7185 for     57 degrees of freedom 
# Null hypothesis probability =   9.461850e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.219e-07   2.746e-08
25- 50  1.382e-07   3.840e-08
50-150  7.417e-08   4.295e-08
15-150  3.343e-07   9.626e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.21049        (-3.24274      -3.24274)
R1^2/D10^2  : 2.41883        (-2.38206      -2.38206)
kT2 [keV]   : 8.75195        (-1.94808      -8.76984)
R2^2/D10^2  : 7.59135E-02    (-0.0752914   0.169517)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.09 using 59 PHA bins.
# Reduced chi-squared =         0.7107 for     55 degrees of freedom 
# Null hypothesis probability =   9.483656e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.149e-07   6.013e-08
25- 50  1.531e-07   8.861e-08
50-150  5.081e-08   3.398e-08
15-150  3.189e-07   1.681e-07
Plot creation:
Thu Feb 13 10:46:09 EST 2014