batgrbproduct Analysis for Trigger=575707

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Oct 24 21:26:21 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger575707/GCN5_download_cron
======================================================================

  Trigger: 00575707      Segment: 000

  BAT Trigger Time: 404310392   [s; MET]
      Trigger Stop: 404310456   [s; MET]
               UTC: 2013-10-24T12:26:20.810860    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 290.4635354555   Dec: -64.6025301330274  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.5
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.5

  Flight Position:   [ source = BAT ]
    RA: 290.4635354555   Dec: -64.6025301330274  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 290.543228517844   Dec: -64.5987429548898  [deg; J2000]  
        { 19h 22m 10.4s , -64d 35' 55.5" }
         +/- 2.02122505879968 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.935010620778417 [arcmin] (formal 1-sigma fit error)
    SNR: 11.1307899875869
 
  Angular difference between Flight and Ground position is 2.063491 arcmin
 
  Partial Coding Fraction: 0.7890625    [ including projection effects ]

  Duration
     T90: 112 +/- 35.7770876399966
        Measured from: -110.999999880791
                   to: 1.00000011920929     [s; relative to TRIGTIME]
     T50: 64 +/- 16
        Measured from: -78.9999998807907
                   to: -14.9999998807907     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -55.5     
                   to: -54.5     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -111     
                   to: 17     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.707755   0.907605   0.484395   0.082855
           0.076176   0.073533   0.062528   0.055148 [error]
 Peak      0.000746   0.021001   0.008006  -0.000859
           0.005696   0.005550   0.004715   0.004010 [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 2.37e-07 3.52e-07 3.90e-07 8.18e-07 1.23e-06 1.80e-06   erg/cm2
              Error 3.46e-08 3.40e-08 6.12e-08 2.60e-07 1.41e-07 3.21e-07   erg/cm2
Peak flux Power-law 6.86e-02 8.22e-02 7.13e-02 1.06e-01 2.59e-01 3.28e-01   ph/cm2/s
              Error 5.52e-02 4.44e-02 3.66e-02 1.26e-01 1.25e-01 1.59e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.28e-07 3.68e-07 3.85e-07 4.07e-07 1.17e-06 1.39e-06   erg/cm2
              Error 3.81e-08 4.58e-08 6.77e-08 4.88e-07 1.71e-07 5.09e-07   erg/cm2
Peak flux Cutoff-PL 2.79e-02 1.64e-01 3.14e-02 1.12e-05 2.23e-01 2.23e-01   ph/cm2/s
              Error 3.03e-02 6.93e-02 4.79e-02 9.49e-03 8.99e-02 8.99e-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    1.849    0.181    -      -           1.04e-03 1.19e-04   54.180 57
CPL   1.465    0.774      59.4    0.0      1.72e-03 0.00e+00   53.330 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.213    0.755    -      -           2.21e-03 1.04e-03   61.290 57
CPL  -9.958    0.000      41.2   14.7      7.23e+03 2.63e+04   56.240 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: 71.872000 sec.
T50 in the 50-300 keV band: 39.552000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  128.000 -111.000   17.000
T90   112.000 -111.000    1.000
T50    64.000  -79.000  -15.000
Peak    1.000  -55.500  -54.500

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  290.5432 -64.5987 0.0173   21.2  -58.6       0.6808    11.1  TRIG_00575707       
------------------------------------------
 
Foreground time interval of the image:
-13.699  17.000 (delta_t =  30.699 [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 -111.000 sec. to   17.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.84939     ( -0.177846   0.183932 )
Norm@50keV  : 1.04215E-03    ( -0.000119812   0.000117628 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.18 using 59 PHA bins.
# Reduced chi-squared =         0.9505 for     57 degrees of freedom 
# Null hypothesis probability =   5.815636e-01
 
Photon flux (15-150 keV)    in 128 sec: 0.146448 ( -0.0142588  0.0142675 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.22655e-06 ( -1.39889e-07  1.42451e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from -111.000 sec. to   17.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46516     ( -0.85369   0.693952 )
Epeak [keV] : 59.3523      (   )
Norm@50keV  : 1.72478E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.33 using 59 PHA bins.
# Reduced chi-squared =         0.9523 for     56 degrees of freedom 
# Null hypothesis probability =   5.765562e-01
 
Photon flux (15-150 keV)    in 128 sec: 0.143939 ( -0.014996  0.014957 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.17312e-06 ( -1.69006e-07  1.72134e-07 ) ergs/cm2
 
Band function
Time interval is from -111.000 sec. to   17.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.87918   ( -2.97211   0.585721 )
beta        : -2.05902    ( 9.37167   19.3717 )
Epeak [keV] : 28.3133      ( -35.867 34.5644 )
Norm@50keV   : 0.479800    ( -0.471076   48.4937 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.28 using 59 PHA bins.
# Reduced chi-squared =         0.9324 for     55 degrees of freedom 
# Null hypothesis probability =   6.173731e-01
 
Photon flux (15-150 keV)    in 128 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]    : 10.3052  (-1.14784  1.33763)
R^2/D10^2   : 6.08243E-02  (-0.0226433   0.0347827)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          72.64 using 59 PHA bins.
# Reduced chi-squared =          1.274 for     57 degrees of freedom 
# Null hypothesis probability =   7.921539e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.700e-07   2.925e-08
25- 50  4.408e-07   5.299e-08
50-150  2.508e-07   6.176e-08
15-150  8.616e-07   1.155e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 86.2493       (-25.2837      46.3928)
Norm        : 0.670646       (-0.0936784     0.115368)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.39 using 59 PHA bins.
# Reduced chi-squared =         0.9366 for     57 degrees of freedom 
# Null hypothesis probability =   6.113663e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.236e-07   3.315e-08
25- 50  3.747e-07   3.923e-08
50-150  5.556e-07   2.301e-07
15-150  1.154e-06   2.588e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.31078        (-1.5811      1.53668)
R1^2/D10^2  : 0.176637        (-0.0849871      0.220905)
kT2 [keV]   : 29.7540        (-11.1665      41.5766)
R2^2/D10^2  : 8.03397E-04    (-0.000729197   0.0030046)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.87 using 59 PHA bins.
# Reduced chi-squared =         0.9250 for     55 degrees of freedom 
# Null hypothesis probability =   6.329732e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.169e-07   6.013e-08
25- 50  3.895e-07   1.295e-07
50-150  6.104e-07   3.200e-07
15-150  1.217e-06   4.426e-07

Peak spectrum fit

Power-law model
Time interval is from  -55.500 sec. to  -54.500 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.21300     ( -0.794264   0.715981 )
Norm@50keV  : 2.20707E-03    ( -0.00104121   0.0010392 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.29 using 59 PHA bins.
# Reduced chi-squared =          1.075 for     57 degrees of freedom 
# Null hypothesis probability =   3.249438e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.259236 ( -0.122339  0.126896 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.23438e-08 ( -1.09316e-08  1.13149e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -55.500 sec. to  -54.500 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.95817     (     )
Epeak [keV] : 41.1927      ( -6.39087 23.0367 )
Norm@50keV  : 7228.77    ( -7749.98   44819.9 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.24 using 59 PHA bins.
# Reduced chi-squared =          1.004 for     56 degrees of freedom 
# Null hypothesis probability =   4.656914e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.223255 ( -0.089446  0.090323 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.34654e-08 ( -5.37943e-09  7.9056e-09 ) ergs/cm2
 
Band function
Time interval is from  -55.500 sec. to  -54.500 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -4.54718   -5 )
beta        : -2.73691    ( 2.75552   1.50739 )
Epeak [keV] : 43.6713      ( -11.0901 14.3072 )
Norm@50keV   : 10.3181    ( -4.10308   43.8551 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.51 using 59 PHA bins.
# Reduced chi-squared =          1.027 for     55 degrees of freedom 
# Null hypothesis probability =   4.183624e-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]    : 14.6330  (-4.90182  10.6046)
R^2/D10^2   : 3.81453E-02  (-0.0381453   0.12199)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.86 using 59 PHA bins.
# Reduced chi-squared =          1.033 for     57 degrees of freedom 
# Null hypothesis probability =   4.073478e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.717e-09   1.145e-09
25- 50  6.664e-09   4.414e-09
50-150  9.602e-09   6.830e-09
15-150  1.798e-08   1.167e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-199.363      -199.363)
Norm        : 1.09947       (-0.52141     0.521421)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.45 using 59 PHA bins.
# Reduced chi-squared =          1.078 for     57 degrees of freedom 
# Null hypothesis probability =   3.198278e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.738e-09   1.858e-09
25- 50  5.267e-09   3.603e-09
50-150  1.155e-08   7.490e-09
15-150  1.955e-08   1.312e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.93797E-02        (0.822496      -0.0693797)
R1^2/D10^2  : 5.92296E+21        (-5.92296e+21      -5.92296e+21)
kT2 [keV]   : 14.6330        (-4.90182      10.6046)
R2^2/D10^2  : 3.81454E-02    (-0.0381454   0.121993)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.86 using 59 PHA bins.
# Reduced chi-squared =          1.070 for     55 degrees of freedom 
# Null hypothesis probability =   3.362480e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Thu Oct 24 21:58:37 EDT 2013