batgrbproduct Analysis for Trigger=584284

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 11:50:00 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger584284/GCN5_download_cron
======================================================================

  Trigger: 00584284      Segment: 000

  BAT Trigger Time: 411855088   [s; MET]
      Trigger Stop: 411856048   [s; MET]
               UTC: 2014-01-19T20:11:16.460440    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 266.135646072296   Dec: -28.7343346320723  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    15.5
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    15.5

  Flight Position:   [ source = BAT ]
    RA: 266.135646072296   Dec: -28.7343346320723  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.136060783544   Dec: -28.7430727088505  [deg; J2000]  
        { 17h 44m 32.7s , -28d 44' 35.1" }
         +/- 2.06798961373041 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.804137237059225 [arcmin] (formal 1-sigma fit error)
    SNR: 10.7729592786602
 
  Angular difference between Flight and Ground position is 0.524738 arcmin
 
  Partial Coding Fraction: 0.90625    [ including projection effects ]

  Duration
     T90: 960 +/- 
        Measured from: 0
                   to: 960     [s; relative to TRIGTIME]
     T50: 960 +/- 
        Measured from: 0
                   to: 960     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 960 second)
        Measured from: 0     
                   to: 960     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 960     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     5.998798   2.828374   0.457161   0.168058
           0.228683   0.200079   0.165117   0.140206 [error]
 Peak      5.998798   2.828374   0.457161   0.168058
           0.228683   0.200079   0.165117   0.140206 [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 1.95e-06 1.15e-06 4.29e-07 2.13e-07 3.64e-06 3.74e-06   erg/cm2
              Error 1.80e-07 1.15e-07 9.90e-08 8.88e-08 2.84e-07 3.11e-07   erg/cm2
Peak flux Power-law 6.83e-02 2.28e-02 4.26e-03 9.32e-04 9.59e-02 9.62e-02   ph/cm2/s
              Error 6.52e-03 2.16e-03 9.51e-04 3.68e-04 7.22e-03 7.21e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.88e-06 1.19e-06 1.94e-07 5.47e-09 3.27e-06 3.27e-06   erg/cm2
              Error 1.95e-07 1.33e-07 1.59e-07 4.61e-08 3.37e-07 3.42e-07   erg/cm2
Peak flux Cutoff-PL 6.52e-02 2.39e-02 2.08e-03 3.15e-05 9.12e-02 9.13e-02   ph/cm2/s
              Error 7.18e-03 2.51e-03 1.56e-03 2.29e-04 8.02e-03 8.02e-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    3.418    0.218    -      -           2.53e-04 4.35e-05   57.220 57
CPL   1.482    0.000       7.5    0.0      6.03e-03 0.00e+00   52.590 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.418    0.218    -      -           2.53e-04 4.35e-05   57.220 57
CPL   1.482    0.000       7.5    0.0      6.03e-03 0.00e+00   52.590 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  960.000    0.000  960.000
T90   960.000    0.000  960.000
T50   960.000    0.000  960.000
Peak  960.000    0.000  960.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  266.1361 -28.7431 0.0178   18.7 -132.5       9.2715    10.8  TRIG_00584284       
------------------------------------------
 
Foreground time interval of the image:
  0.000  92.770 (delta_t =  92.770 [sec])
 94.000 711.290 (delta_t = 617.290 [sec])
712.000 960.000 (delta_t = 248.000 [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
Multiple GTIs in the spectrum
tstart tstop
0.000000 92.770000
94.000000 711.290000
712.000000 960.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.41832     ( -0.211666   0.224403 )
Norm@50keV  : 2.53274E-04    ( -4.24526e-05   4.46336e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.22 using 59 PHA bins.
# Reduced chi-squared =          1.004 for     57 degrees of freedom 
# Null hypothesis probability =   4.670434e-01
 
Photon flux (15-150 keV)    in 958.1 sec: 9.59128E-02 ( -0.00720692  0.00722703 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.63527e-06 ( -2.82356e-07  2.85814e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 92.770000
94.000000 711.290000
712.000000 960.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.48155     (     )
Epeak [keV] : 7.49022      (   )
Norm@50keV  : 6.03087E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.59 using 59 PHA bins.
# Reduced chi-squared =         0.9392 for     56 degrees of freedom 
# Null hypothesis probability =   6.045886e-01
 
Photon flux (15-150 keV)    in 958.1 sec: 9.12494E-02 ( -0.008019  0.008016 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.27081e-06 ( -3.12005e-07  3.61309e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 92.770000
94.000000 711.290000
712.000000 960.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.776259   ( -1.3896   4.9658 )
beta        : -4.11824    ( -4.73177   0.58222 )
Epeak [keV] : 12.2628      ( -5.13585 6.36962 )
Norm@50keV   : 2.14228E-02    ( -0.0248543   338.197 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.67 using 59 PHA bins.
# Reduced chi-squared =         0.9212 for     55 degrees of freedom 
# Null hypothesis probability =   6.408014e-01
 
Photon flux (15-150 keV)    in 958.1 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]    : 4.97322  (-0.362678  0.393177)
R^2/D10^2   : 0.773664  (-0.24867   0.374063)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.20 using 59 PHA bins.
# Reduced chi-squared =          1.039 for     57 degrees of freedom 
# Null hypothesis probability =   3.953246e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.764e-06   1.921e-07
25- 50  1.137e-06   1.505e-07
50-150  4.504e-08   1.804e-08
15-150  2.946e-06   2.817e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 13.9570       (-1.92974      2.25154)
Norm        : 1.83895       (-0.415223     0.48306)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.61 using 59 PHA bins.
# Reduced chi-squared =         0.9231 for     57 degrees of freedom 
# Null hypothesis probability =   6.401650e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.875e-06   2.271e-07
25- 50  1.189e-06   1.126e-07
50-150  1.804e-07   6.970e-08
15-150  3.244e-06   3.090e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.44577        (-0.9526      0.542906)
R1^2/D10^2  : 1.25171        (-0.524284      1.87287)
kT2 [keV]   : 14.9878        (-7.94621      25.1183)
R2^2/D10^2  : 1.49063E-03    (-0.00144964   0.0195152)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.66 using 59 PHA bins.
# Reduced chi-squared =         0.9210 for     55 degrees of freedom 
# Null hypothesis probability =   6.411084e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.846e-06   4.034e-07
25- 50  1.126e-06   2.894e-07
50-150  4.267e-07   2.502e-07
15-150  3.399e-06   8.939e-07

Peak spectrum fit

Power-law model
Time interval is from  712.000 sec. to  960.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.41832     ( -0.211666   0.224403 )
Norm@50keV  : 2.53274E-04    ( -4.24526e-05   4.46336e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.22 using 59 PHA bins.
# Reduced chi-squared =          1.004 for     57 degrees of freedom 
# Null hypothesis probability =   4.670434e-01
 
Photon flux (15-150 keV)    in 958.1 sec: 9.59128E-02 ( -0.00720692  0.00722703 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.63527e-06 ( -2.82356e-07  2.85814e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  712.000 sec. to  960.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.48155     (     )
Epeak [keV] : 7.49022      (   )
Norm@50keV  : 6.03087E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.59 using 59 PHA bins.
# Reduced chi-squared =         0.9392 for     56 degrees of freedom 
# Null hypothesis probability =   6.045886e-01
 
Photon flux (15-150 keV)    in 958.1 sec: 9.12494E-02 ( -0.008019  0.008016 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.27081e-06 ( -3.12005e-07  3.61309e-07 ) ergs/cm2
 
Band function
Time interval is from  712.000 sec. to  960.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.776259   ( -1.3896   4.96581 )
beta        : -4.11824    ( -4.73177   0.581566 )
Epeak [keV] : 12.2628      ( -5.13585 6.36962 )
Norm@50keV   : 2.14228E-02    ( -0.0248543   339.864 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.67 using 59 PHA bins.
# Reduced chi-squared =         0.9212 for     55 degrees of freedom 
# Null hypothesis probability =   6.408014e-01
 
Photon flux (15-150 keV)    in 958.1 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]    : 4.97322  (-0.362678  0.393177)
R^2/D10^2   : 0.773664  (-0.24867   0.374063)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.20 using 59 PHA bins.
# Reduced chi-squared =          1.039 for     57 degrees of freedom 
# Null hypothesis probability =   3.953246e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.764e-06   2.194e-07
25- 50  1.137e-06   1.599e-07
50-150  4.504e-08   1.738e-08
15-150  2.946e-06   2.750e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 13.9570       (-1.92974      2.25154)
Norm        : 1.83895       (-0.415223     0.48306)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.61 using 59 PHA bins.
# Reduced chi-squared =         0.9231 for     57 degrees of freedom 
# Null hypothesis probability =   6.401650e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.875e-06   2.261e-07
25- 50  1.189e-06   1.178e-07
50-150  1.804e-07   6.304e-08
15-150  3.244e-06   2.798e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.44577        (-0.9526      0.542906)
R1^2/D10^2  : 1.25171        (-0.524284      1.87287)
kT2 [keV]   : 14.9878        (-7.94621      25.1183)
R2^2/D10^2  : 1.49063E-03    (-0.00144964   0.0195152)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.66 using 59 PHA bins.
# Reduced chi-squared =         0.9210 for     55 degrees of freedom 
# Null hypothesis probability =   6.411084e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.846e-06   3.459e-07
25- 50  1.126e-06   3.621e-07
50-150  4.267e-07   2.650e-07
15-150  3.399e-06   8.359e-07
Plot creation:
Mon Jan 20 12:08:31 EST 2014