batgrbproduct analysis for trigger=736407

batgrbproduct Analysis for Trigger=736407

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Feb  3 18:24:49 EST 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger736407/GCN5_download_cron
======================================================================

  Trigger: 00736407      Segment: 000

  BAT Trigger Time: 507752900.928   [s; MET]
      Trigger Stop: 507752901.952   [s; MET]
               UTC: 2017-02-02T18:28:02.373380    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 152.528682988566   Dec: 5.0016939758479  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.32
     Image Trigger?:     NO
     Rate S/N Ratio:     12.2065556157337  [ if not an image trigger ]
     Image S/N Ratio:    7.32

  Flight Position:   [ source = BAT ]
    RA: 152.528682988566   Dec: 5.0016939758479  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 152.526374563796   Dec: 5.02103220370847  [deg; J2000]  
        { 10h 10m 06.3s , +05d 01' 15.7" }
         +/- 1.01115024489999 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.296853353633215 [arcmin] (formal 1-sigma fit error)
    SNR: 29.9391055153589
 
  Angular difference between Flight and Ground position is 1.168469 arcmin
 
  Partial Coding Fraction: 0.5078125    [ including projection effects ]

  Duration
     T90: 46.2279999256134 +/- 11.4483053739976
        Measured from: 1.58000016212463
                   to: 47.808000087738     [s; relative to TRIGTIME]
     T50: 14.9439999461174 +/- 1.14131152001114
        Measured from: 7.64000016450882
                   to: 22.5840001106262     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 16.0440000295639     
                   to: 17.0440000295639     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.252000033855438     
                   to: 76.4560000300407     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.615548   2.237767   1.371787   0.365367
           0.060704   0.063859   0.054866   0.044870 [error]
 Peak      0.105199   0.244933   0.192910   0.061181
           0.010111   0.012305   0.011516   0.008271 [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 5.45e-07 8.97e-07 1.12e-06 2.77e-06 3.34e-06 5.33e-06   erg/cm2
              Error 3.52e-08 3.43e-08 5.53e-08 2.97e-07 1.31e-07 3.37e-07   erg/cm2
Peak flux Power-law 1.26e+00 1.51e+00 1.30e+00 1.91e+00 4.74e+00 5.98e+00   ph/cm2/s
              Error 1.35e-01 1.01e-01 8.99e-02 2.69e-01 2.87e-01 3.78e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.20e-07 9.20e-07 1.13e-06 1.83e-06 3.26e-06 4.40e-06   erg/cm2
              Error 4.19e-08 4.09e-08 5.83e-08 7.31e-07 1.51e-07 5.76e-07   erg/cm2
Peak flux Cutoff-PL 1.09e+00 1.61e+00 1.40e+00 9.35e-01 4.64e+00 5.04e+00   ph/cm2/s
              Error 1.61e-01 1.21e-01 1.09e-01 3.72e-01 2.94e-01 4.61e-01   ph/cm2/s
 
Fluence        Band 4.83e-07 9.44e-07 1.10e-06 2.45e-06 3.25e-06 4.98e-06   erg/cm2
              Error 4.88e-08 4.56e-08 5.75e-08 3.31e-07 1.38e-07 3.72e-07   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    1.680    0.067    -      -           4.73e-03 1.76e-04   67.100 57
CPL   1.409    0.268     106.8  348.7      6.49e-03 2.04e-03   63.880 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.214    0.097    -      -           4.03e-02 2.40e-03   79.690 57
CPL   0.486    0.437     109.7   48.9      9.12e-02 4.66e-02   69.910 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: 42.112000 sec.
T50 in the 50-300 keV band: 14.336000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   76.204    0.252   76.456
T90    46.228    1.580   47.808
T50    14.944    7.640   22.584
Peak    1.000   16.044   17.044

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  152.5264  +5.0210 0.0065   26.5   80.1       1.8122    29.9  TRIG_00736407       
------------------------------------------
 
Foreground time interval of the image:
  0.252  12.973 (delta_t =  12.721 [sec])
Background time interval of the image:
-233.727 -42.958 (delta_t = 190.769 [sec])
-41.928   0.252 (delta_t =  42.180 [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    0.252 sec. to   76.456 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68045     ( -0.0669764   0.0672666 )
Norm@50keV  : 4.72588E-03    ( -0.000176632   0.000176229 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.10 using 59 PHA bins.
# Reduced chi-squared =          1.177 for     57 degrees of freedom 
# Null hypothesis probability =   1.693416e-01
 
Photon flux (15-150 keV)    in 76.2 sec: 0.623423 ( -0.0239422  0.023994 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.33963e-06 ( -1.3086e-07  1.31267e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.252 sec. to   76.456 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.40893     ( -0.276746   0.25881 )
Epeak [keV] : 106.840      ( -31.2589 666.124 )
Norm@50keV  : 6.49375E-03    ( -0.00165686   0.00242241 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.88 using 59 PHA bins.
# Reduced chi-squared =          1.141 for     56 degrees of freedom 
# Null hypothesis probability =   2.193287e-01
 
Photon flux (15-150 keV)    in 76.2 sec: 0.613116 ( -0.025744  0.025773 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.26264e-06 ( -1.51463e-07  1.50564e-07 ) ergs/cm2
 
Band function
Time interval is from    0.252 sec. to   76.456 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.37702   ( -3.79937   -3.09273 )
beta        : -1.78683    ( -0.0965721   0.0884958 )
Epeak [keV] : 28.7543      ( -3.56628 20.8626 )
Norm@50keV   : 3.82019    ( -3.82017   158.046 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.39 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     55 degrees of freedom 
# Null hypothesis probability =   4.600338e-01
 
Photon flux (15-150 keV)    in 76.2 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.25417e-06 ( -3.25363e-06  -1.38143e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.3861  (  )
R^2/D10^2   : 9.88379E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         225.49 using 59 PHA bins.
# Reduced chi-squared =         3.9559 for     57 degrees of freedom 
# Null hypothesis probability =   6.754892e-22
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.860e-07   1.996e-08
25- 50  1.016e-06   4.572e-08
50-150  1.170e-06   8.763e-08
15-150  2.472e-06   9.830e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 141.301       (-21.7674      32.0477)
Norm        : 2.57489       (-0.12295     0.126747)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.15 using 59 PHA bins.
# Reduced chi-squared =          1.125 for     57 degrees of freedom 
# Null hypothesis probability =   2.403109e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.954e-07   3.040e-08
25- 50  9.176e-07   6.248e-08
50-150  1.807e-06   4.972e-07
15-150  3.221e-06   5.098e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.86988        (-0.847406      0.875377)
R1^2/D10^2  : 0.499944        (-0.144713      0.228563)
kT2 [keV]   : 30.2246        (-4.97296      7.86587)
R2^2/D10^2  : 3.85712E-03    (-0.00205571   0.00351645)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.00 using 59 PHA bins.
# Reduced chi-squared =          1.073 for     55 degrees of freedom 
# Null hypothesis probability =   3.313576e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.632e-07   4.542e-08
25- 50  9.754e-07   8.839e-08
50-150  1.843e-06   3.330e-07
15-150  3.281e-06   4.321e-07

Peak spectrum fit

Power-law model
Time interval is from   16.044 sec. to   17.044 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.21375     ( -0.0969161   0.0966805 )
Norm@50keV  : 4.03189E-02    ( -0.00240183   0.00240149 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          79.69 using 59 PHA bins.
# Reduced chi-squared =          1.398 for     57 degrees of freedom 
# Null hypothesis probability =   2.527196e-02
 
Photon flux (15-150 keV)    in 1 sec: 4.74197 ( -0.287243  0.287424 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.07465e-07 ( -2.69916e-08  2.71264e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   16.044 sec. to   17.044 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.485834     ( -0.461389   0.412653 )
Epeak [keV] : 109.708      ( -24.4469 73.4348 )
Norm@50keV  : 9.11502E-02    ( -0.0331092   0.0600581 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.91 using 59 PHA bins.
# Reduced chi-squared =          1.248 for     56 degrees of freedom 
# Null hypothesis probability =   1.000818e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.63871 ( -0.29394  0.29369 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.91232e-07 ( -2.9668e-08  2.9392e-08 ) ergs/cm2
 
Band function
Time interval is from   16.044 sec. to   17.044 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.31464   ( -1.1739   -0.789325 )
beta        : -1.53060    ( -0.34771   0.208946 )
Epeak [keV] : 49.2266      ( -18.2118 39.676 )
Norm@50keV   : 1.26202    ( -1.24255   239.762 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.15 using 59 PHA bins.
# Reduced chi-squared =          1.185 for     55 degrees of freedom 
# Null hypothesis probability =   1.643442e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.86399e-07 ( -3.86392e-07  -2.8191e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 17.3619  (-1.2645  1.40055)
R^2/D10^2   : 0.357427  (-0.0817762   0.103131)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         103.78 using 59 PHA bins.
# Reduced chi-squared =         1.8206 for     57 degrees of freedom 
# Null hypothesis probability =   1.520250e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.181e-08   2.370e-09
25- 50  9.813e-08   8.205e-09
50-150  2.126e-07   2.290e-08
15-150  3.325e-07   2.470e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-11.3731      -200)
Norm        : 19.4936       (-1.18024     1.18024)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         105.48 using 59 PHA bins.
# Reduced chi-squared =         1.8506 for     57 degrees of freedom 
# Null hypothesis probability =   9.984934e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.853e-08   3.435e-09
25- 50  9.336e-08   8.175e-09
50-150  2.048e-07   3.915e-08
15-150  3.466e-07   5.320e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.8364        (-2.14696      2.20173)
R1^2/D10^2  : 1.13857        (-0.417617      0.820066)
kT2 [keV]   : 39.0870        (-11.6342      42.5741)
R2^2/D10^2  : 1.67531E-02    (-0.0139341   0.0382327)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.88 using 59 PHA bins.
# Reduced chi-squared =          1.180 for     55 degrees of freedom 
# Null hypothesis probability =   1.701908e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.121e-08   7.480e-09
25- 50  9.997e-08   2.235e-08
50-150  2.619e-07   1.049e-07
15-150  3.931e-07   1.317e-07
Plot creation:
Fri Feb  3 18:40:25 EST 2017