batgrbproduct Analysis for Trigger=584136

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jan 18 21:05:23 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger584136/GCN5_download_cron
======================================================================

  Trigger: 00584136      Segment: 000

  BAT Trigger Time: 411701534.272   [s; MET]
      Trigger Stop: 411701538.368   [s; MET]
               UTC: 2014-01-18T01:32:02.739660    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 331.002867245394   Dec: -17.9476181313747  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.36
     Image Trigger?:     NO
     Rate S/N Ratio:     13.2664991614216  [ if not an image trigger ]
     Image S/N Ratio:    10.36

  Flight Position:   [ source = BAT ]
    RA: 331.002867245394   Dec: -17.9476181313747  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 330.999099415549   Dec: -17.9372443791183  [deg; J2000]  
        { 22h 03m 59.8s , -17d 56' 14.1" }
         +/- 1.48470822110367 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.722729069267398 [arcmin] (formal 1-sigma fit error)
    SNR: 17.2948495963091
 
  Angular difference between Flight and Ground position is 0.658537 arcmin
 
  Partial Coding Fraction: 0.4101562    [ including projection effects ]

  Duration
     T90: 84.1519999504089 +/- 10.7906191056356
        Measured from: -61.0759999155998
                   to: 23.0760000348091     [s; relative to TRIGTIME]
     T50: 23.2919999361038 +/- 16.0835047376911
        Measured from: -15.3879998922348
                   to: 7.90400004386902     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.98399996757507     
                   to: 3.98399996757507     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -73.6080000400543     
                   to: 30.8679999709129     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.409085   1.729051   0.982040   0.244648
           0.100050   0.103507   0.091150   0.083992 [error]
 Peak      0.070147   0.084041   0.055037   0.014842
           0.010753   0.011165   0.009981   0.008534 [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 5.04e-07 7.42e-07 8.13e-07 1.67e-06 2.57e-06 3.73e-06   erg/cm2
              Error 5.54e-08 5.27e-08 9.08e-08 3.81e-07 2.10e-07 4.69e-07   erg/cm2
Peak flux Power-law 7.24e-01 6.45e-01 3.95e-01 3.67e-01 1.92e+00 2.13e+00   ph/cm2/s
              Error 1.68e-01 9.62e-02 8.24e-02 1.52e-01 2.84e-01 3.16e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.73e-07 7.87e-07 8.10e-07 7.10e-07 2.44e-06 2.78e-06   erg/cm2
              Error 6.44e-08 7.06e-08 9.95e-08 4.75e-07 2.46e-07 7.27e-07   erg/cm2
Peak flux Cutoff-PL 7.19e-01 6.49e-01 3.97e-01 3.45e-01 1.92e+00 2.11e+00   ph/cm2/s
              Error 1.40e-01 1.08e-01 8.65e-02 2.22e-01 2.87e-01 3.62e-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 2.05e+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    1.867    0.132    -      -           2.68e-03 2.18e-04   42.030 57
CPL   1.326    0.592      55.5  280.0      5.30e-03 4.54e-03   39.200 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.707    0.261    -      -           1.44e-02 2.32e-03   50.960 57
CPL   1.674    1.070     477.4    0.0      1.50e-02 0.00e+00   50.950 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: 68.288000 sec.
T50 in the 50-300 keV band: 54.912000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  104.476  -73.608   30.868
T90    84.152  -61.076   23.076
T50    23.292  -15.388    7.904
Peak    1.000    2.984    3.984

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  330.9991 -17.9372 0.0111   36.3 -127.1       4.4656    17.3  TRIG_00584136       
------------------------------------------
 
Foreground time interval of the image:
-73.608  30.868 (delta_t = 104.476 [sec])
Background time interval of the image:
-239.272 -73.608 (delta_t = 165.664 [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  -73.608 sec. to   30.868 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.86713     ( -0.130047   0.133546 )
Norm@50keV  : 2.67555E-03    ( -0.000219498   0.000216691 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.03 using 59 PHA bins.
# Reduced chi-squared =         0.7374 for     57 degrees of freedom 
# Null hypothesis probability =   9.310790e-01
 
Photon flux (15-150 keV)    in 104.5 sec: 0.378722 ( -0.0273424  0.0273718 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.57041e-06 ( -2.09271e-07  2.11458e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -73.608 sec. to   30.868 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.32626     ( -0.636146   0.547104 )
Epeak [keV] : 55.5076      ( -12.6043 547.382 )
Norm@50keV  : 5.30300E-03    ( -0.00260249   0.00647771 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.20 using 59 PHA bins.
# Reduced chi-squared =         0.7000 for     56 degrees of freedom 
# Null hypothesis probability =   9.569636e-01
 
Photon flux (15-150 keV)    in 104.5 sec: 0.369037 ( -0.029088  0.028998 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.44107e-06 ( -2.43464e-07  2.47717e-07 ) ergs/cm2
 
Band function
Time interval is from  -73.608 sec. to   30.868 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.32492   ( 1.1737   0.336599 )
beta        : -10.00000    ( 10   2.51672e-10 )
Epeak [keV] : 55.4505      ( -12.5066 19.8854 )
Norm@50keV   : 5.31211E-03    ( -0.0026127   0.00321595 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.20 using 59 PHA bins.
# Reduced chi-squared =         0.7128 for     55 degrees of freedom 
# Null hypothesis probability =   9.469084e-01
 
Photon flux (15-150 keV)    in 104.5 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]    : 11.3273  (-0.922856  1.01077)
R^2/D10^2   : 0.110306  (-0.0304924   0.0418448)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          72.73 using 59 PHA bins.
# Reduced chi-squared =          1.276 for     57 degrees of freedom 
# Null hypothesis probability =   7.820680e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.106e-07   3.893e-08
25- 50  9.117e-07   8.203e-08
50-150  6.755e-07   1.283e-07
15-150  1.898e-06   1.646e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 86.8639       (-19.1421      29.0451)
Norm        : 1.72794       (-0.18061     0.209864)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.18 using 59 PHA bins.
# Reduced chi-squared =         0.6873 for     57 degrees of freedom 
# Null hypothesis probability =   9.656221e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.706e-07   5.314e-08
25- 50  7.896e-07   5.612e-08
50-150  1.176e-06   4.175e-07
15-150  2.436e-06   4.159e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.79838        (-1.83634      2.62285)
R1^2/D10^2  : 0.828576        (-0.551847      1.46708)
kT2 [keV]   : 18.2048        (-4.12891      14.9784)
R2^2/D10^2  : 1.37662E-02    (-0.0119802   0.0266939)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.38 using 59 PHA bins.
# Reduced chi-squared =         0.7705 for     55 degrees of freedom 
# Null hypothesis probability =   8.935093e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.628e-07   1.688e-07
25- 50  7.836e-07   2.532e-07
50-150  1.097e-06   5.282e-07
15-150  2.343e-06   7.620e-07

Peak spectrum fit

Power-law model
Time interval is from    2.984 sec. to    3.984 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.70698     ( -0.255151   0.266679 )
Norm@50keV  : 1.44207E-02    ( -0.00235305   0.00229619 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.96 using 59 PHA bins.
# Reduced chi-squared =         0.8940 for     57 degrees of freedom 
# Null hypothesis probability =   6.999235e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.91992 ( -0.284192  0.28444 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.33446e-07 ( -2.24989e-08  2.28012e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.984 sec. to    3.984 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.67401     ( -0.94256   1.19658 )
Epeak [keV] : 477.394      (   )
Norm@50keV  : 1.50136E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.95 using 59 PHA bins.
# Reduced chi-squared =         0.9099 for     56 degrees of freedom 
# Null hypothesis probability =   6.658477e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.91660 ( -0.2869  0.2869 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.33018e-07 ( -2.3472e-08  2.3193e-08 ) ergs/cm2
 
Band function
Time interval is from    2.984 sec. to    3.984 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.67392   ( -0.297584   0.723505 )
beta        : -9.37165    ( 5.95179   9.37165 )
Epeak [keV] : 476.105      ( -426.552 -476.153 )
Norm@50keV   : 1.50121E-02    ( -0.00293607   0.0307099 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.95 using 59 PHA bins.
# Reduced chi-squared =         0.9264 for     55 degrees of freedom 
# Null hypothesis probability =   6.299520e-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]    : 13.3496  (-2.86531  3.47841)
R^2/D10^2   : 0.311485  (-0.308773   0.429625)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.14 using 59 PHA bins.
# Reduced chi-squared =          1.213 for     57 degrees of freedom 
# Null hypothesis probability =   1.299979e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.176e-08   3.756e-09
25- 50  4.168e-08   9.500e-09
50-150  4.768e-08   1.616e-08
15-150  1.011e-07   2.242e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 144.633       (-67.2059      -142.898)
Norm        : 7.91096       (-1.28951     1.77503)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.53 using 59 PHA bins.
# Reduced chi-squared =         0.9041 for     57 degrees of freedom 
# Null hypothesis probability =   6.795132e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.038e-08   1.149e-08
25- 50  3.757e-08   2.024e-08
50-150  7.304e-08   4.410e-08
15-150  1.310e-07   7.540e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.51451        (-1.77534      2.30274)
R1^2/D10^2  : 5.76068        (-4.20304      15.3186)
kT2 [keV]   : 24.2839        (-6.83524      14.7673)
R2^2/D10^2  : 2.96196E-02    (-0.0236853   0.0411889)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.92 using 59 PHA bins.
# Reduced chi-squared =         0.9077 for     55 degrees of freedom 
# Null hypothesis probability =   6.684568e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.349e-08   1.302e-08
25- 50  3.406e-08   1.640e-08
50-150  7.663e-08   4.409e-08
15-150  1.342e-07   7.000e-08
Plot creation:
Sat Jan 18 21:20:32 EST 2014