batgrbproduct Analysis for Trigger=575650

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Oct 24 17:21:47 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger575650/GCN5_download_cron
======================================================================

  Trigger: 00575650      Segment: 000

  BAT Trigger Time: 404280904   [s; MET]
      Trigger Stop: 404280968   [s; MET]
               UTC: 2013-10-24T04:14:52.812200    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 244.890634646078   Dec: -15.8224568476094  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.51
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.51

  Flight Position:   [ source = BAT ]
    RA: 244.890634646078   Dec: -15.8224568476094  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 244.942268420412   Dec: -15.7242367727204  [deg; J2000]  
        { 16h 19m 46.1s , -15d 43' 27.3" }
         +/- 1.32444437348117 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.527779831719665 [arcmin] (formal 1-sigma fit error)
    SNR: 20.3603148882456
 
  Angular difference between Flight and Ground position is 6.604424 arcmin
 
  Partial Coding Fraction: 0.734375    [ 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     1.319751   0.183396   0.056769   0.044398
           0.056907   0.050915   0.043179   0.038094 [error]
 Peak      1.319751   0.183396   0.056769   0.044398
           0.056907   0.050915   0.043179   0.038094 [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 4.31e-07 8.07e-08 7.34e-09 7.24e-10 5.20e-07 5.20e-07   erg/cm2
              Error 5.16e-08 2.39e-08 5.21e-09 1.04e-09 6.01e-08 6.01e-08   erg/cm2
Peak flux Power-law 2.35e-01 2.57e-02 1.17e-03 5.53e-05 2.62e-01 2.62e-01   ph/cm2/s
              Error 2.90e-02 7.21e-03 8.05e-04 7.72e-05 3.00e-02 3.00e-02   ph/cm2/s
 
Fluence   Cutoff-PL 4.37e-07 6.45e-08 8.88e-10 4.64e-13 5.03e-07 5.03e-07   erg/cm2
              Error 5.37e-08 3.23e-08 6.42e-09 7.89e-10 6.07e-08 6.43e-08   erg/cm2
Peak flux Cutoff-PL 2.38e-01 2.13e-02 1.55e-04 4.25e-08 2.59e-01 2.59e-01   ph/cm2/s
              Error 3.00e-02 1.01e-02 1.00e-03 5.84e-05 3.06e-02 3.06e-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    5.460    0.574    -      -           1.09e-04 6.18e-05   39.170 57
CPL   1.000    0.000      50.0    0.0      2.21e-03 0.00e+00  184.670 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    5.460    0.574    -      -           1.09e-04 6.18e-05   39.170 57
CPL   1.000    0.000      50.0    0.0      2.21e-03 0.00e+00  184.670 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
  244.9423 -15.7242 0.0094   23.8  -56.2       2.0414    20.4  TRIG_00575650       
------------------------------------------
 
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: 5.45953     ( -0.553288   0.594958 )
Norm@50keV  : 1.08968E-04    ( -4.90393e-05   7.45003e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.17 using 59 PHA bins.
# Reduced chi-squared =         0.6872 for     57 degrees of freedom 
# Null hypothesis probability =   9.656689e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.262274 ( -0.0299982  0.030017 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.19788e-07 ( -5.99001e-08  6.02233e-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: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 2.20667E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         184.67 using 59 PHA bins.
# Reduced chi-squared =         3.2976 for     56 degrees of freedom 
# Null hypothesis probability =   1.189319e-15
 
Photon flux (15-150 keV)    in 64 sec: 0.259127 ( -0.03063  0.030496 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.02732e-07 ( -6.04371e-08  6.08704e-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       : 1.23580   ( -3.25893   -1.22247 )
beta        : -5.98548    ( 5.98155   1.01795 )
Epeak [keV] : 9.18208      ( -9.11356 2.85383 )
Norm@50keV   : 62.3922    ( -59.1443   80903.4 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.72 using 59 PHA bins.
# Reduced chi-squared =         0.7040 for     55 degrees of freedom 
# Null hypothesis probability =   9.529075e-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]    : 2.73046  (-0.292331  0.336922)
R^2/D10^2   : 67.7487  (-37.9287   89.7994)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.94 using 59 PHA bins.
# Reduced chi-squared =         0.7007 for     57 degrees of freedom 
# Null hypothesis probability =   9.580150e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.408e-07   1.222e-07
25- 50  4.569e-08   1.612e-08
50-150  3.298e-11   3.076e-11
15-150  4.866e-07   1.350e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 5.09816       (-0.812936      1.04089)
Norm        : 55.5847       (-26.756     55.5423)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.67 using 59 PHA bins.
# Reduced chi-squared =         0.6783 for     57 degrees of freedom 
# Null hypothesis probability =   9.700646e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.395e-07   1.127e-07
25- 50  5.802e-08   2.088e-08
50-150  3.314e-10   2.944e-10
15-150  4.978e-07   1.406e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.66460        (-2.66403      0.34348)
R1^2/D10^2  : 79.4490        (-45.778      130.81)
kT2 [keV]   : 21.2111        (-21.0332      -21.0332)
R2^2/D10^2  : 6.24415E-04    (-0.000641299   0.0235659)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.90 using 59 PHA bins.
# Reduced chi-squared =         0.6891 for     55 degrees of freedom 
# Null hypothesis probability =   9.618991e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.412e-07   1.687e-07
25- 50  5.886e-08   2.547e-08
50-150  5.873e-08   5.065e-08
15-150  5.588e-07   1.974e-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: 5.45953     ( -0.553288   0.594958 )
Norm@50keV  : 1.08968E-04    ( -4.90393e-05   7.45003e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.17 using 59 PHA bins.
# Reduced chi-squared =         0.6872 for     57 degrees of freedom 
# Null hypothesis probability =   9.656689e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.262274 ( -0.0299982  0.030017 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.19788e-07 ( -5.99001e-08  6.02233e-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: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 2.20667E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         184.67 using 59 PHA bins.
# Reduced chi-squared =         3.2976 for     56 degrees of freedom 
# Null hypothesis probability =   1.189319e-15
 
Photon flux (15-150 keV)    in 64 sec: 0.259127 ( -0.03063  0.030496 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.02732e-07 ( -6.04371e-08  6.08704e-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       : 1.23580   ( -3.25893   -1.22247 )
beta        : -5.98548    ( 5.98155   1.01795 )
Epeak [keV] : 9.18208      ( -9.11356 3.6649 )
Norm@50keV   : 62.3922    ( -59.1443   95161.3 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.72 using 59 PHA bins.
# Reduced chi-squared =         0.7040 for     55 degrees of freedom 
# Null hypothesis probability =   9.529075e-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]    : 2.73046  (-0.292331  0.336922)
R^2/D10^2   : 67.7487  (-37.9287   89.7994)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.94 using 59 PHA bins.
# Reduced chi-squared =         0.7007 for     57 degrees of freedom 
# Null hypothesis probability =   9.580150e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.408e-07   1.368e-07
25- 50  4.569e-08   1.694e-08
50-150  3.298e-11   2.893e-11
15-150  4.866e-07   1.811e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 5.09816       (-0.812936      1.04089)
Norm        : 55.5847       (-26.756     55.5423)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.67 using 59 PHA bins.
# Reduced chi-squared =         0.6783 for     57 degrees of freedom 
# Null hypothesis probability =   9.700646e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.395e-07   1.114e-07
25- 50  5.802e-08   2.069e-08
50-150  3.314e-10   2.849e-10
15-150  4.978e-07   1.303e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.66460        (-2.66403      0.34348)
R1^2/D10^2  : 79.4490        (-45.778      130.81)
kT2 [keV]   : 21.2111        (-21.0332      -21.0332)
R2^2/D10^2  : 6.24415E-04    (-0.000641299   0.0261219)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.90 using 59 PHA bins.
# Reduced chi-squared =         0.6891 for     55 degrees of freedom 
# Null hypothesis probability =   9.618991e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.412e-07   1.952e-07
25- 50  5.886e-08   2.675e-08
50-150  5.873e-08   4.419e-08
15-150  5.588e-07   2.168e-07
Plot creation:
Thu Oct 24 17:38:08 EDT 2013