batgrbproduct Analysis for Trigger=617110

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Oct 31 17:18:14 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger617110/GCN5_download_cron
======================================================================

  Trigger: 00617110      Segment: 000

  BAT Trigger Time: 436432719.424   [s; MET]
      Trigger Stop: 436432721.472   [s; MET]
               UTC: 2014-10-31T07:18:26.698680    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 128.599081849205   Dec: -59.1379265592003  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.53
     Image Trigger?:     NO
     Rate S/N Ratio:     16.062378404209  [ if not an image trigger ]
     Image S/N Ratio:    8.53

  Flight Position:   [ source = BAT ]
    RA: 128.599081849205   Dec: -59.1379265592003  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 128.638489142044   Dec: -59.1615574217876  [deg; J2000]  
        { 08h 34m 33.2s , -59d 09' 41.6" }
         +/- 1.41566110937955 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.471316584282977 [arcmin] (formal 1-sigma fit error)
    SNR: 18.5123790932145
 
  Angular difference between Flight and Ground position is 1.865582 arcmin
 
  Partial Coding Fraction: 0.3203125    [ including projection effects ]

  Duration
     T90: 897.091999948025 +/- 628.091645050989
        Measured from: -12.6799998879433
                   to: 884.412000060081     [s; relative to TRIGTIME]
     T50: 897.091999948025 +/- 631.095046090515
        Measured from: -12.6799998879433
                   to: 884.412000060081     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.812000036239624     
                   to: 0.187999963760376     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.6800000071526     
                   to: 884.412000000477     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.308566   1.726685   1.563205   0.402730
           0.180530   0.183489   0.155690   0.132582 [error]
 Peak      0.047902   0.071864   0.068904   0.033209
           0.011452   0.012374   0.011408   0.009066 [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 3.74e-07 7.70e-07 1.24e-06 4.47e-06 3.44e-06 6.85e-06   erg/cm2
              Error 7.53e-08 9.16e-08 1.51e-07 1.24e-06 3.78e-07 1.32e-06   erg/cm2
Peak flux Power-law 4.61e-01 5.44e-01 4.64e-01 6.72e-01 1.71e+00 2.14e+00   ph/cm2/s
              Error 1.45e-01 1.07e-01 8.67e-02 2.61e-01 2.95e-01 3.67e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.69e-07 7.74e-07 1.24e-06 4.13e-06 3.43e-06 6.52e-06   erg/cm2
              Error 8.16e-08 9.55e-08 1.57e-07 -------- 2.90e-07 1.92e-06   erg/cm2
Peak flux Cutoff-PL 4.32e-01 5.58e-01 4.82e-01 4.99e-01 1.69e+00 1.97e+00   ph/cm2/s
              Error 1.71e-01 1.19e-01 1.06e-01 4.83e-01 2.99e-01 4.93e-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    1.313    0.185    -      -           3.93e-04 4.00e-05   55.710 57
CPL   1.311    0.186    9999.2    0.0      3.94e-04 2.17e-04   55.720 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.230    0.279    -      -           1.45e-02 2.40e-03   63.540 57
CPL   0.939    1.601     201.0    0.0      1.99e-02 3.54e-02   63.330 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: 892.480000 sec.
T50 in the 50-300 keV band: 439.744000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  897.092  -12.680  884.412
T90   897.092  -12.680  884.412
T50   897.092  -12.680  884.412
Peak    1.000   -0.812    0.188

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  128.6385 -59.1616 0.0105   34.5  -71.9       2.5380    18.5  TRIG_00617110       
------------------------------------------
 
Foreground time interval of the image:
-12.680  27.377 (delta_t =  40.057 [sec])
Background time interval of the image:
-239.424 -12.680 (delta_t = 226.744 [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
Multiple GTIs in the spectrum
tstart tstop
-12.680000 237.006000
238.576000 708.426000
714.576000 839.295900
840.576000 884.412000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.31286     ( -0.186675   0.183653 )
Norm@50keV  : 3.92699E-04    ( -3.99961e-05   3.99916e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.71 using 59 PHA bins.
# Reduced chi-squared =         0.9774 for     57 degrees of freedom 
# Null hypothesis probability =   5.234087e-01
 
Photon flux (15-150 keV)    in 888.1 sec: 4.69629E-02 ( -0.00508344  0.00510898 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.43565e-06 ( -3.76834e-07  3.78655e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-12.680000 237.006000
238.576000 708.426000
714.576000 839.295900
840.576000 884.412000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.31112     ( -0.189633   0.183228 )
Epeak [keV] : 9999.24      ( -9999.36 -9999.36 )
Norm@50keV  : 3.94117E-04    ( -0.000394324   4.01485e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.72 using 59 PHA bins.
# Reduced chi-squared =         0.9950 for     56 degrees of freedom 
# Null hypothesis probability =   4.854747e-01
 
Photon flux (15-150 keV)    in 888.1 sec: 4.69756E-02 ( -0.0026101  0.0050309 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.43389e-06 ( -3.81883e-07  1.98037e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-12.680000 237.006000
238.576000 708.426000
714.576000 839.295900
840.576000 884.412000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.968848   ( 0.973764   0.973764 )
beta        : -1.31628    ( 1.31623   0.190486 )
Epeak [keV] : 67.9767      ( -70.4299 -70.4299 )
Norm@50keV   : 7.29781E-04    ( -0.000348689   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.72 using 59 PHA bins.
# Reduced chi-squared =          1.013 for     55 degrees of freedom 
# Null hypothesis probability =   4.476616e-01
 
Photon flux (15-150 keV)    in 888.1 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]    : 19.5945  (-2.73473  3.30885)
R^2/D10^2   : 2.18081E-03  (-0.000881365   0.00144693)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          82.95 using 59 PHA bins.
# Reduced chi-squared =          1.455 for     57 degrees of freedom 
# Null hypothesis probability =   1.401577e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.445e-07   3.095e-08
25- 50  7.100e-07   1.171e-07
50-150  2.014e-06   3.375e-07
15-150  2.869e-06   3.996e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 0.196986       (-0.0203013     0.0202987)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.83 using 59 PHA bins.
# Reduced chi-squared =          1.085 for     57 degrees of freedom 
# Null hypothesis probability =   3.076053e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.356e-07   1.337e-07
25- 50  8.379e-07   3.402e-07
50-150  1.838e-06   9.840e-07
15-150  3.111e-06   1.694e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.48688        (-1.75701      2.26626)
R1^2/D10^2  : 6.05564E-02        (-0.039684      0.146091)
kT2 [keV]   : 30.3914        (-6.5107      12.7426)
R2^2/D10^2  : 4.48502E-04    (-0.000295869   0.00062622)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.02 using 59 PHA bins.
# Reduced chi-squared =         0.9822 for     55 degrees of freedom 
# Null hypothesis probability =   5.121456e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.907e-07   2.001e-07
25- 50  7.465e-07   2.687e-07
50-150  2.347e-06   1.114e-06
15-150  3.484e-06   1.326e-06

Peak spectrum fit

Power-law model
Time interval is from   -0.812 sec. to    0.188 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.23001     ( -0.281861   0.275358 )
Norm@50keV  : 1.44914E-02    ( -0.00240468   0.00240233 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.54 using 59 PHA bins.
# Reduced chi-squared =          1.115 for     57 degrees of freedom 
# Null hypothesis probability =   2.571582e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.70853 ( -0.294776  0.295665 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.45805e-07 ( -2.59863e-08  2.61311e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.812 sec. to    0.188 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.939330     ( -1.35312   1.84798 )
Epeak [keV] : 200.961      ( -200.975 -200.975 )
Norm@50keV  : 1.98843E-02    ( -0.00758658   0.0631617 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.33 using 59 PHA bins.
# Reduced chi-squared =          1.131 for     56 degrees of freedom 
# Null hypothesis probability =   2.336813e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.69468 ( -0.29719  0.29997 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.44294e-07 ( -2.7479e-08  2.6864e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.812 sec. to    0.188 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.607229   ( 0.553891   5.31522 )
beta        : -1.43378    ( 1.4504   0.474921 )
Epeak [keV] : 104.920      ( -100.486 386.917 )
Norm@50keV   : 3.04163E-02    ( -0.020391   986301 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.07 using 59 PHA bins.
# Reduced chi-squared =          1.147 for     55 degrees of freedom 
# Null hypothesis probability =   2.125828e-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]    : 18.1713  (-3.48992  4.82813)
R^2/D10^2   : 0.109168  (-0.0598202   0.116025)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.85 using 59 PHA bins.
# Reduced chi-squared =          1.225 for     57 degrees of freedom 
# Null hypothesis probability =   1.180328e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.195e-09   2.577e-09
25- 50  3.351e-08   9.370e-09
50-150  8.051e-08   2.627e-08
15-150  1.212e-07   3.028e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 7.14558       (-1.20715     1.20702)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.23 using 59 PHA bins.
# Reduced chi-squared =          1.180 for     57 degrees of freedom 
# Null hypothesis probability =   1.665336e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.780e-08   1.025e-08
25- 50  3.424e-08   1.960e-08
50-150  7.510e-08   4.291e-08
15-150  1.271e-07   7.280e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 12.3221        (-7.3543      4.85196)
R1^2/D10^2  : 0.309856        (      )
kT2 [keV]   : 75.4741        (-54.6634      -76.1747)
R2^2/D10^2  : 1.11654E-03    (-0.000885929   0.0139681)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.15 using 59 PHA bins.
#Fit statistic : Chi-Squared =          63.13 using 59 PHA bins.
# Reduced chi-squared =          1.148 for     55 degrees of freedom 
# Reduced chi-squared =          1.148 for     55 degrees of freedom 
# Null hypothesis probability =   2.105718e-01
# Null hypothesis probability =   2.110056e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.064e-08   6.315e-09
25- 50  3.606e-08   2.068e-08
50-150  9.576e-08   4.625e-08
15-150  1.425e-07   7.020e-08
Plot creation:
Fri Oct 31 17:21:51 EDT 2014