batgrbproduct Analysis for Trigger=582894

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jan  5 15:24:42 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger582894/GCN5_download_cron
======================================================================

  Trigger: 00582894      Segment: 000

  BAT Trigger Time: 410537968   [s; MET]
      Trigger Stop: 410539640   [s; MET]
               UTC: 2014-01-04T14:19:16.522280    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 54.1896554852019   Dec: 0.545786889397492  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.93
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.93

  Flight Position:   [ source = BAT ]
    RA: 54.1896554852019   Dec: 0.545786889397492  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 54.2964096540945   Dec: 0.621279108384954  [deg; J2000]  
        { 03h 37m 11.1s , +00d 37' 16.6" }
         +/- 5.66455844950495 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.91253811985162 [arcmin] (formal 1-sigma fit error)
    SNR: 2.55368227612337
 
  Angular difference between Flight and Ground position is 7.844720 arcmin
 
  Partial Coding Fraction: 0.8046875    [ including projection effects ]

  Duration
     T90: 1672 +/- 
        Measured from: 0
                   to: 1672     [s; relative to TRIGTIME]
     T50: 1672 +/- 
        Measured from: 0
                   to: 1672     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1672 second)
        Measured from: 0     
                   to: 1672     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1672     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.250460   0.697069   0.271708  -0.067937
           0.187450   0.192483   0.169211   0.150554 [error]
 Peak      1.250460   0.697069   0.271708  -0.067937
           0.187450   0.192483   0.169211   0.150554 [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 3.60e-07 2.88e-07 1.55e-07 1.21e-07 8.57e-07 9.24e-07   erg/cm2
              Error 8.66e-08 1.05e-07 1.20e-07 1.97e-07 2.95e-07 4.01e-07   erg/cm2
Peak flux Power-law 1.25e-02 5.58e-03 1.50e-03 5.01e-04 1.98e-02 2.00e-02   ph/cm2/s
              Error 3.07e-03 1.93e-03 1.12e-03 7.59e-04 4.61e-03 4.76e-03   ph/cm2/s
 
Fluence   Cutoff-PL 3.62e-07 2.85e-07 1.51e-07 1.16e-07 8.47e-07 9.13e-07   erg/cm2
              Error 8.61e-08 1.05e-07 1.20e-07 1.93e-07 3.07e-07 4.00e-07   erg/cm2
Peak flux Cutoff-PL 1.25e-02 5.55e-03 1.48e-03 4.85e-04 1.98e-02 2.00e-02   ph/cm2/s
              Error 3.05e-03 1.44e-03 1.40e-03 8.40e-04 4.55e-03 4.69e-03   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    2.894    0.693    -      -           7.78e-05 4.46e-05   54.060 57
CPL   1.931    0.000       1.9    0.0      4.06e-04 0.00e+00   54.950 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.894    0.693    -      -           7.78e-05 4.46e-05   54.060 57
CPL   1.931    0.000       1.9    0.0      4.06e-04 0.00e+00   54.950 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 1672.000    0.000 1672.000
T90  1672.000    0.000 1672.000
T50  1672.000    0.000 1672.000
Peak 1672.000    0.000 1672.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   54.2964  +0.6213 0.0749   15.2   78.9       1.5052     2.6  TRIG_00582894       
------------------------------------------
 
Foreground time interval of the image:
  0.000 308.560 (delta_t = 308.560 [sec])
310.000 878.130 (delta_t = 568.130 [sec])
879.000 963.111 (delta_t =  84.111 [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 308.560000
310.000000 878.130000
879.000000 963.111300
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.89376     ( -0.598404   0.788187 )
Norm@50keV  : 7.78288E-05    ( -4.15789e-05   4.75467e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.06 using 59 PHA bins.
# Reduced chi-squared =         0.9484 for     57 degrees of freedom 
# Null hypothesis probability =   5.860480e-01
 
Photon flux (15-150 keV)    in 960.8 sec: 1.98339E-02 ( -0.00459674  0.00462049 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.57298e-07 ( -2.71709e-07  3.18583e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 308.560000
310.000000 878.130000
879.000000 963.111300
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.93050     (     )
Epeak [keV] : 1.88314      (   )
Norm@50keV  : 4.06439E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.95 using 59 PHA bins.
# Reduced chi-squared =         0.9812 for     56 degrees of freedom 
# Null hypothesis probability =   5.146485e-01
 
Photon flux (15-150 keV)    in 960.8 sec: 1.97889E-02 ( -0.0045481  0.0045599 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.46853e-07 ( -2.93125e-07  3.21499e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 308.560000
310.000000 878.130000
879.000000 963.111300
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.78546   ( 1.78211   1.78211 )
beta        : -2.94938    ( 2.94651   0.646668 )
Epeak [keV] : 4.01491      ( -4.0141 149.264 )
Norm@50keV   : 6.39982E-04    ( -0.000714222   170157 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.02 using 59 PHA bins.
# Reduced chi-squared =         0.9822 for     55 degrees of freedom 
# Null hypothesis probability =   5.120679e-01
 
Photon flux (15-150 keV)    in 960.8 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]    : 4.71005  (-1.14297  1.51008)
R^2/D10^2   : 0.211879  (-0.212078   0.614722)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.01 using 59 PHA bins.
# Reduced chi-squared =          1.000 for     57 degrees of freedom 
# Null hypothesis probability =   4.748774e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.874e-07   2.206e-07
25- 50  2.177e-07   1.371e-07
50-150  6.573e-09   6.509e-09
15-150  6.117e-07   3.534e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 16.6257       (-7.2209      15.8692)
Norm        : 0.295923       (-0.151178     0.388347)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.29 using 59 PHA bins.
# Reduced chi-squared =         0.9700 for     57 degrees of freedom 
# Null hypothesis probability =   5.395626e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.703e-07   1.520e-07
25- 50  2.780e-07   1.473e-07
50-150  5.990e-08   5.390e-08
15-150  7.082e-07   3.199e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.22712        (-1.34761      1.39427)
R1^2/D10^2  : 0.333560        (-0.244205      0.896106)
kT2 [keV]   : 36.1428        (-33.2685      -36.1502)
R2^2/D10^2  : 5.11928E-05    (-5.05639e-05   0.0144327)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.45 using 59 PHA bins.
# Reduced chi-squared =         0.9536 for     55 degrees of freedom 
# Null hypothesis probability =   5.726521e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.874e-07   2.178e-07
25- 50  2.184e-07   1.207e-07
50-150  4.958e-07   3.535e-07
15-150  1.102e-06   5.702e-07

Peak spectrum fit

Power-law model
Time interval is from  879.000 sec. to  963.111 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.89376     ( -0.598404   0.788187 )
Norm@50keV  : 7.78288E-05    ( -4.15789e-05   4.75467e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.06 using 59 PHA bins.
# Reduced chi-squared =         0.9484 for     57 degrees of freedom 
# Null hypothesis probability =   5.860480e-01
 
Photon flux (15-150 keV)    in 960.8 sec: 1.98339E-02 ( -0.00459674  0.00462049 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.57298e-07 ( -2.71709e-07  3.18583e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  879.000 sec. to  963.111 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.93050     (     )
Epeak [keV] : 1.88314      (   )
Norm@50keV  : 4.06439E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.95 using 59 PHA bins.
# Reduced chi-squared =         0.9812 for     56 degrees of freedom 
# Null hypothesis probability =   5.146485e-01
 
Photon flux (15-150 keV)    in 960.8 sec: 1.97889E-02 ( -0.0045481  0.0045599 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.46853e-07 ( -2.94006e-07  3.18761e-07 ) ergs/cm2
 
Band function
Time interval is from  879.000 sec. to  963.111 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.78546   ( 1.78211   1.78211 )
beta        : -2.94938    ( 2.94651   0.646668 )
Epeak [keV] : 4.01491      ( -4.0141 149.264 )
Norm@50keV   : 6.39982E-04    ( -0.000714222   170157 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.02 using 59 PHA bins.
# Reduced chi-squared =         0.9822 for     55 degrees of freedom 
# Null hypothesis probability =   5.120679e-01
 
Photon flux (15-150 keV)    in 960.8 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]    : 4.71005  (-1.14297  1.51008)
R^2/D10^2   : 0.211879  (-0.212078   0.614722)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.01 using 59 PHA bins.
# Reduced chi-squared =          1.000 for     57 degrees of freedom 
# Null hypothesis probability =   4.748774e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.874e-07   2.212e-07
25- 50  2.177e-07   1.244e-07
50-150  6.573e-09   6.351e-09
15-150  6.117e-07   3.557e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 16.6257       (-7.2209      15.8692)
Norm        : 0.295923       (-0.151178     0.388347)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.29 using 59 PHA bins.
# Reduced chi-squared =         0.9700 for     57 degrees of freedom 
# Null hypothesis probability =   5.395626e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.703e-07   1.445e-07
25- 50  2.780e-07   1.438e-07
50-150  5.990e-08   5.228e-08
15-150  7.082e-07   3.221e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.22712        (-1.34761      1.39427)
R1^2/D10^2  : 0.333560        (-0.244205      0.896106)
kT2 [keV]   : 36.1428        (-36.15      -36.1502)
R2^2/D10^2  : 5.11928E-05    (-5.05639e-05   0.0144327)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.45 using 59 PHA bins.
# Reduced chi-squared =         0.9536 for     55 degrees of freedom 
# Null hypothesis probability =   5.726521e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.874e-07   2.280e-07
25- 50  2.184e-07   1.166e-07
50-150  4.958e-07   3.121e-07
15-150  1.102e-06   5.714e-07
Plot creation:
Sun Jan  5 15:43:15 EST 2014