batgrbproduct Analysis for Trigger=702252

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jul  1 00:14:34 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger702252/GCN5_download_cron
======================================================================

  Trigger: 00702252      Segment: 000

  BAT Trigger Time: 488952266.432   [s; MET]
      Trigger Stop: 488952267.456   [s; MET]
               UTC: 2016-06-30T04:04:09.942380    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 198.239285438184   Dec: -56.0685035261327  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.82
     Image Trigger?:     NO
     Rate S/N Ratio:     17.8044938147649  [ if not an image trigger ]
     Image S/N Ratio:    7.82

  Flight Position:   [ source = BAT ]
    RA: 198.239285438184   Dec: -56.0685035261327  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 198.23762151237   Dec: -56.0289648664935  [deg; J2000]  
        { 13h 12m 57.0s , -56d 01' 44.3" }
         +/- 1.36775809763151 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.442510022328386 [arcmin] (formal 1-sigma fit error)
    SNR: 19.4455122257986
 
  Angular difference between Flight and Ground position is 2.372975 arcmin
 
  Partial Coding Fraction: 0.515625    [ including projection effects ]

  Duration
     T90: 29.5040000081062 +/- 5.51118136655692
        Measured from: -0.31199985742569
                   to: 29.1920001506805     [s; relative to TRIGTIME]
     T50: 10.8800000548363 +/- 2.33502715804584
        Measured from: 2.42400014400482
                   to: 13.3040001988411     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.419999957084656     
                   to: 0.580000042915344     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1     
                   to: 34.8880000114441     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.472389   0.646286   0.571482   0.170358
           0.048991   0.048199   0.042003   0.035199 [error]
 Peak      0.041476   0.033945   0.066152   0.015431
           0.008738   0.009185   0.007965   0.006914 [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 1.36e-07 2.79e-07 4.46e-07 1.59e-06 1.24e-06 2.45e-06   erg/cm2
              Error 1.98e-08 2.38e-08 4.07e-08 3.31e-07 1.01e-07 3.55e-07   erg/cm2
Peak flux Power-law 2.58e-01 3.65e-01 3.83e-01 7.40e-01 1.24e+00 1.75e+00   ph/cm2/s
              Error 1.03e-01 8.51e-02 6.24e-02 2.99e-01 2.11e-01 3.03e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.32e-07 2.82e-07 4.52e-07 1.29e-06 1.23e-06 2.15e-06   erg/cm2
              Error 1.81e-08 2.66e-08 4.55e-08 5.92e-07 1.10e-07 5.62e-07   erg/cm2
Peak flux Cutoff-PL 2.66e-01 3.71e-01 3.81e-01 7.14e-01 1.25e+00 1.73e+00   ph/cm2/s
              Error 1.05e-01 -------- 6.30e-02 3.38e-01 -------- 3.52e-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    1.321    0.136    -      -           3.51e-03 2.62e-04   67.560 57
CPL   1.174    0.416     304.2    0.0      4.11e-03 2.08e-03   67.320 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.931    0.327    -      -           1.08e-02 1.82e-03   61.990 57
CPL   2.012   -0.290       4.5    0.0      2.11e-03 0.00e+00   61.670 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: 14.720000 sec.
T50 in the 50-300 keV band: 6.976000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   35.888   -1.000   34.888
T90    29.504   -0.312   29.192
T50    10.880    2.424   13.304
Peak    1.000   -0.420    0.580

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  198.2376 -56.0290 0.0100   27.3  -74.4       1.5194    19.4  TRIG_00702252       
------------------------------------------
 
Foreground time interval of the image:
 -1.000  15.869 (delta_t =  16.869 [sec])
Background time interval of the image:
-35.331  -1.000 (delta_t =  34.331 [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   -1.000 sec. to   34.888 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.32082     ( -0.136725   0.135806 )
Norm@50keV  : 3.50525E-03    ( -0.00026206   0.00026204 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.56 using 59 PHA bins.
# Reduced chi-squared =          1.185 for     57 degrees of freedom 
# Null hypothesis probability =   1.598565e-01
 
Photon flux (15-150 keV)    in 35.89 sec: 0.419832 ( -0.0329708  0.0331054 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.23697e-06 ( -1.01174e-07  1.01709e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.000 sec. to   34.888 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.17388     ( -0.564438   0.268003 )
Epeak [keV] : 304.184      ( -304.227 -304.227 )
Norm@50keV  : 4.11089E-03    ( -0.000838664   0.00332753 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.32 using 59 PHA bins.
# Reduced chi-squared =          1.202 for     56 degrees of freedom 
# Null hypothesis probability =   1.429619e-01
 
Photon flux (15-150 keV)    in 35.89 sec: 0.416515 ( -0.03489  0.034829 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.22583e-06 ( -1.10362e-07  1.08901e-07 ) ergs/cm2
 
Band function
Time interval is from   -1.000 sec. to   34.888 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.04667   ( 0.963321   0.963321 )
beta        : -1.42610    ( 1.40667   0.215067 )
Epeak [keV] : 165.453      ( -132.359 -132.359 )
Norm@50keV   : 4.83761E-03    ( -0.00152193   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.25 using 59 PHA bins.
# Reduced chi-squared =          1.223 for     55 degrees of freedom 
# Null hypothesis probability =   1.243429e-01
 
Photon flux (15-150 keV)    in 35.89 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]    : 17.7208  (-1.74158  2.00319)
R^2/D10^2   : 2.74751E-02  (-0.0083655   0.0116625)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         103.18 using 59 PHA bins.
# Reduced chi-squared =         1.8102 for     57 degrees of freedom 
# Null hypothesis probability =   1.756870e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.231e-08   1.055e-08
25- 50  2.848e-07   3.081e-08
50-150  6.464e-07   9.421e-08
15-150  9.935e-07   9.224e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-22.9043      -200)
Norm        : 1.75181       (-0.132138     0.132138)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.25 using 59 PHA bins.
# Reduced chi-squared =          1.338 for     57 degrees of freedom 
# Null hypothesis probability =   4.522126e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.566e-07   1.416e-08
25- 50  3.012e-07   3.747e-08
50-150  6.607e-07   2.184e-07
15-150  1.119e-06   2.283e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.44953        (-2.77493      2.98829)
R1^2/D10^2  : 0.207633        (-0.119427      0.546461)
kT2 [keV]   : 32.7054        (-9.17126      30.8998)
R2^2/D10^2  : 2.86054E-03    (-0.00240651   0.0062345)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.02 using 59 PHA bins.
# Reduced chi-squared =          1.273 for     55 degrees of freedom 
# Null hypothesis probability =   8.352280e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.162e-07   5.062e-08
25- 50  2.956e-07   9.150e-08
50-150  8.145e-07   3.821e-07
15-150  1.226e-06   4.694e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.420 sec. to    0.580 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.930781     ( -0.339823   0.315149 )
Norm@50keV  : 1.07833E-02    ( -0.00184927   0.00178674 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.99 using 59 PHA bins.
# Reduced chi-squared =          1.088 for     57 degrees of freedom 
# Null hypothesis probability =   3.026974e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.23821 ( -0.210207  0.212006 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.196e-07 ( -1.97816e-08  1.98545e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.420 sec. to    0.580 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.01244     ( -1.43159   -2.01244 )
Epeak [keV] : 4.51362      (   )
Norm@50keV  : 2.11333E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.67 using 59 PHA bins.
# Reduced chi-squared =          1.101 for     56 degrees of freedom 
# Null hypothesis probability =   2.805519e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.24503 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.19551e-07 ( -1.9501e-08  1.9296e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.420 sec. to    0.580 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -9.99999   ( 9.99999   9.99999 )
beta        : -0.930769    ( -0.314843   0.33981 )
Epeak [keV] : 13.7581      ( -13.7581 -13.7581 )
Norm@50keV   : 1.46560    ( -0.251353   0.242846 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.99 using 59 PHA bins.
# Reduced chi-squared =          1.127 for     55 degrees of freedom 
# Null hypothesis probability =   2.409136e-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]    : 29.1759  (-6.50686  10.3261)
R^2/D10^2   : 1.85734E-02  (-0.0105967   0.0211412)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.56 using 59 PHA bins.
# Reduced chi-squared =          1.255 for     57 degrees of freedom 
# Null hypothesis probability =   9.284406e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.516e-09   9.650e-10
25- 50  1.534e-08   5.212e-09
50-150  9.319e-08   3.047e-08
15-150  1.111e-07   3.765e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-40.7294      -200)
Norm        : 5.23184       (-0.862989     0.862989)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.71 using 59 PHA bins.
# Reduced chi-squared =          1.311 for     57 degrees of freedom 
# Null hypothesis probability =   5.778536e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.303e-08   7.445e-09
25- 50  2.506e-08   1.419e-08
50-150  5.496e-08   3.135e-08
15-150  9.305e-08   5.260e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.71929        (-1.4211      2.33404)
R1^2/D10^2  : 17.3261        (-15.5852      143.321)
kT2 [keV]   : 35.9994        (-9.07618      17.6156)
R2^2/D10^2  : 9.78398E-03    (-0.00621876   0.0127241)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.39 using 59 PHA bins.
# Reduced chi-squared =          1.025 for     55 degrees of freedom 
# Null hypothesis probability =   4.226878e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.271e-08   7.023e-09
25- 50  1.482e-08   6.078e-09
50-150  9.695e-08   4.630e-08
15-150  1.245e-07   5.155e-08
Plot creation:
Fri Jul  1 00:21:39 EDT 2016