batgrbproduct Analysis for Trigger=617149

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Nov  1 03:39:32 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger617149/GCN5_download_cron
======================================================================

  Trigger: 00617149      Segment: 000

  BAT Trigger Time: 436460217.792   [s; MET]
      Trigger Stop: 436460225.984   [s; MET]
               UTC: 2014-10-31T14:56:45.065320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 356.931700786733   Dec: 41.3655291034627  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.44
     Image Trigger?:     NO
     Rate S/N Ratio:     8.94427190999916  [ if not an image trigger ]
     Image S/N Ratio:    7.44

  Flight Position:   [ source = BAT ]
    RA: 356.931700786733   Dec: 41.3655291034627  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 356.882859439076   Dec: 41.355294913241  [deg; J2000]  
        { 23h 47m 31.9s , +41d 21' 19.1" }
         +/- 2.21942263432925 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.898987403006968 [arcmin] (formal 1-sigma fit error)
    SNR: 9.73844897620899
 
  Angular difference between Flight and Ground position is 2.283630 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 16 +/- 3.60555127546399
        Measured from: 1.20800012350082
                   to: 17.2080001235008     [s; relative to TRIGTIME]
     T50: 9 +/- 4.47213595499958
        Measured from: 4.20800012350082
                   to: 13.2080001235008     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.20800000429153     
                   to: 5.20800000429153     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 1.20800000429153     
                   to: 18.2080000042915     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.116985   0.113627   0.112450   0.060711
           0.022560   0.023246   0.020339   0.017514 [error]
 Peak      0.017074   0.011853   0.007756   0.013905
           0.005493   0.005692   0.004992   0.004109 [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 2.85e-08 5.71e-08 8.91e-08 3.07e-07 2.48e-07 4.81e-07   erg/cm2
              Error 9.42e-09 1.05e-08 2.08e-08 1.72e-07 4.99e-08 1.84e-07   erg/cm2
Peak flux Power-law 1.20e-01 1.12e-01 7.24e-02 7.22e-02 3.34e-01 3.77e-01   ph/cm2/s
              Error 1.00e-01 4.36e-02 5.75e-02 1.06e-01 1.26e-01 1.51e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.92e-08 5.75e-08 8.78e-08 2.90e-07 2.46e-07 4.64e-07   erg/cm2
              Error 9.40e-09 1.05e-08 2.06e-08 1.83e-07 4.77e-08 1.87e-07   erg/cm2
Peak flux Cutoff-PL 1.23e-01 1.12e-01 7.07e-02 6.76e-02 3.34e-01 3.73e-01   ph/cm2/s
              Error 7.51e-02 4.24e-02 5.75e-02 1.12e-01 1.26e-01 1.47e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.357    0.352    -      -           1.50e-03 2.57e-04   56.280 57
CPL   2.461    0.000     153.3    0.0      4.16e-04 0.00e+00   52.760 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.628    0.885    -      -           2.58e-03 1.18e-03   56.270 57
CPL   3.971    0.000     459.6    0.0      2.00e-04 0.00e+00   55.010 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: 7.936000 sec.
T50 in the 50-300 keV band: 4.096000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   17.000    1.208   18.208
T90    16.000    1.208   17.208
T50     9.000    4.208   13.208
Peak    1.000    4.208    5.208

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  356.8829 +41.3553 0.0198   12.1   -7.8       0.4043     9.7  TRIG_00617149       
------------------------------------------
 
Foreground time interval of the image:
  1.208  18.208 (delta_t =  17.000 [sec])
Background time interval of the image:
-239.792   1.208 (delta_t = 241.000 [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    1.208 sec. to   18.208 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.35719     ( -0.353972   0.350043 )
Norm@50keV  : 1.49855E-03    ( -0.000258466   0.000255211 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.28 using 59 PHA bins.
# Reduced chi-squared =         0.9874 for     57 degrees of freedom 
# Null hypothesis probability =   5.020767e-01
 
Photon flux (15-150 keV)    in 17 sec: 0.180799 ( -0.0309972  0.0310266 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.48419e-07 ( -4.94542e-08  5.02777e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.208 sec. to   18.208 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.46136     (     )
Epeak [keV] : 153.258      (   )
Norm@50keV  : 4.16428E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.76 using 59 PHA bins.
# Reduced chi-squared =         0.9421 for     56 degrees of freedom 
# Null hypothesis probability =   5.984269e-01
 
Photon flux (15-150 keV)    in 17 sec: 0.181359 ( -0.031333  0.030513 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.45925e-07 ( -4.79366e-08  4.74674e-08 ) ergs/cm2
 
Band function
Time interval is from    1.208 sec. to   18.208 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.09269   ( 1.09344   1.09344 )
beta        : -1.35666    ( 1.35701   0.353872 )
Epeak [keV] : 39.4123      ( -38.862 -38.862 )
Norm@50keV   : 2.87843E-03    ( -0.00163386   0.235484 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.28 using 59 PHA bins.
# Reduced chi-squared =          1.023 for     55 degrees of freedom 
# Null hypothesis probability =   4.267852e-01
 
Photon flux (15-150 keV)    in 17 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]    : 17.4517  (-5.3188  9.40188)
R^2/D10^2   : 1.15497E-02  (-0.0112679   0.0276054)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.73 using 59 PHA bins.
# Reduced chi-squared =          1.346 for     57 degrees of freedom 
# Null hypothesis probability =   4.178050e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.209e-08   5.209e-09
25- 50  5.460e-08   1.969e-08
50-150  1.197e-07   4.422e-08
15-150  1.864e-07   5.500e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 0.736132       (-0.125273     0.125266)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.28 using 59 PHA bins.
# Reduced chi-squared =          1.040 for     57 degrees of freedom 
# Null hypothesis probability =   3.923450e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.117e-08   1.819e-08
25- 50  5.996e-08   3.441e-08
50-150  1.315e-07   7.447e-08
15-150  2.226e-07   1.255e-07
Double BB
#Fit statistic : Chi-Squared =          53.76 using 59 PHA bins.
#Fit statistic : Chi-Squared =          53.07 using 59 PHA bins.
#Fit statistic : Chi-Squared =          52.99 using 59 PHA bins.
# Reduced chi-squared =         0.9994 for     55 degrees of freedom 
# Reduced chi-squared =         0.9783 for     55 degrees of freedom 
# Reduced chi-squared =         0.9774 for     55 degrees of freedom 
# Reduced chi-squared =         0.9650 for     55 degrees of freedom 
# Reduced chi-squared =         0.9634 for     55 degrees of freedom 
# Null hypothesis probability =   4.759134e-01
# Null hypothesis probability =   5.203949e-01
# Null hypothesis probability =   5.222135e-01
# Null hypothesis probability =   5.485700e-01
# Null hypothesis probability =   5.519372e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.303e-08   2.161e-08
25- 50  4.038e-08   2.267e-08
50-150  1.770e-07   1.103e-07
15-150  2.504e-07   1.429e-07

Peak spectrum fit

Power-law model
Time interval is from    4.208 sec. to    5.208 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62821     ( -0.826163   0.942866 )
Norm@50keV  : 2.57680E-03    ( -0.00127754   0.00108823 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.27 using 59 PHA bins.
# Reduced chi-squared =         0.9872 for     57 degrees of freedom 
# Null hypothesis probability =   5.024109e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.334094 ( -0.126292  0.12622 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.40146e-08 ( -1.13501e-08  1.20207e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    4.208 sec. to    5.208 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.97072     (     )
Epeak [keV] : 459.618      (   )
Norm@50keV  : 2.00166E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.01 using 59 PHA bins.
# Reduced chi-squared =         0.9824 for     56 degrees of freedom 
# Null hypothesis probability =   5.122034e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.334200 ( -0.126101  0.126042 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.36351e-08 ( -1.09769e-08  1.19134e-08 ) ergs/cm2
 
Band function
Time interval is from    4.208 sec. to    5.208 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.31647   ( 1.31662   1.31662 )
beta        : -1.62778    ( 1.62866   0.825566 )
Epeak [keV] : 24.3629      ( -24.3838 -24.3838 )
Norm@50keV   : 5.62183E-03    ( -0.00562375   2356.03 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.27 using 59 PHA bins.
# Reduced chi-squared =          1.023 for     55 degrees of freedom 
# Null hypothesis probability =   4.271119e-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]    : 11.8492  (-5.62626  13.9349)
R^2/D10^2   : 7.96578E-02  (-0.0787687   0.747733)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.15 using 59 PHA bins.
# Reduced chi-squared =          1.055 for     57 degrees of freedom 
# Null hypothesis probability =   3.624529e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.363e-09   1.564e-09
25- 50  7.326e-09   4.650e-09
50-150  6.132e-09   4.592e-09
15-150  1.582e-08   1.087e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.362       (-199.363      -199.363)
Norm        : 1.33888       (-0.511825     1.07475)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.79 using 59 PHA bins.
# Reduced chi-squared =         0.9964 for     57 degrees of freedom 
# Null hypothesis probability =   4.828386e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.334e-09   2.161e-09
25- 50  6.413e-09   4.024e-09
50-150  1.407e-08   9.355e-09
15-150  2.381e-08   1.527e-08
Double BB
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.47 using 59 PHA bins.
#Fit statistic : Chi-Squared =          56.15 using 59 PHA bins.
#Fit statistic : Chi-Squared =          56.13 using 59 PHA bins.
#Fit statistic : Chi-Squared =          55.94 using 59 PHA bins.
# Reduced chi-squared =          1.027 for     55 degrees of freedom 
# Reduced chi-squared =          1.021 for     55 degrees of freedom 
# Reduced chi-squared =          1.021 for     55 degrees of freedom 
# Reduced chi-squared =          1.017 for     55 degrees of freedom 
# Null hypothesis probability =   4.197474e-01
# Null hypothesis probability =   4.316944e-01
# Null hypothesis probability =   4.323461e-01
# Null hypothesis probability =   4.392426e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.249e-09   2.444e-09
25- 50  4.362e-09   2.616e-09
50-150  1.427e-08   9.855e-09
15-150  2.288e-08   1.319e-08
Plot creation:
Sat Nov  1 03:43:40 EDT 2014