batgrbproduct Analysis for Trigger=670800

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 18 12:32:28 EST 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger670800/GCN5_download_cron
======================================================================

  Trigger: 00670800      Segment: 000

  BAT Trigger Time: 474731983.36   [s; MET]
      Trigger Stop: 474731984.384   [s; MET]
               UTC: 2016-01-17T13:59:27.649320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 132.190488716105   Dec: -16.3400348873399  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.06
     Image Trigger?:     NO
     Rate S/N Ratio:     11.4455231422596  [ if not an image trigger ]
     Image S/N Ratio:    7.06

  Flight Position:   [ source = BAT ]
    RA: 132.190488716105   Dec: -16.3400348873399  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 132.176285607351   Dec: -16.3468653119552  [deg; J2000]  
        { 08h 48m 42.3s , -16d 20' 48.7" }
         +/- 1.45826126879486 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.468400445577219 [arcmin] (formal 1-sigma fit error)
    SNR: 17.7446685905304
 
  Angular difference between Flight and Ground position is 0.914699 arcmin
 
  Partial Coding Fraction: 0.9375    [ including projection effects ]

  Duration
     T90: 11.2679999470711 +/- 2.4614955105327
        Measured from: 0.368000090122223
                   to: 11.6360000371933     [s; relative to TRIGTIME]
     T50: 2.8759999871254 +/- 2.35184014631322
        Measured from: 2.04000008106232
                   to: 4.91600006818771     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.17199999094009     
                   to: 3.17199999094009     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.0199999809265137     
                   to: 14.055999994278     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.325035   0.278081   0.117563   0.006471
           0.024768   0.025159   0.020900   0.017777 [error]
 Peak      0.085902   0.087159   0.036298   0.007327
           0.007563   0.007834   0.006087   0.004574 [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 9.57e-08 1.09e-07 8.88e-08 1.21e-07 3.38e-07 4.15e-07   erg/cm2
              Error 1.25e-08 1.15e-08 1.85e-08 4.84e-08 4.20e-08 7.20e-08   erg/cm2
Peak flux Power-law 7.98e-01 5.84e-01 2.84e-01 1.96e-01 1.76e+00 1.86e+00   ph/cm2/s
              Error 1.14e-01 5.92e-02 4.84e-02 6.27e-02 1.78e-01 1.89e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.42e-08 1.13e-07 8.44e-08 5.80e-08 3.23e-07 3.50e-07   erg/cm2
              Error 1.31e-08 1.52e-08 2.29e-08 7.14e-08 5.12e-08 1.02e-07   erg/cm2
Peak flux Cutoff-PL 7.65e-01 6.28e-01 2.76e-01 8.23e-02 1.73e+00 1.75e+00   ph/cm2/s
              Error 1.25e-01 8.79e-02 5.96e-02 8.30e-02 1.82e-01 2.21e-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    2.294    0.211    -      -           2.52e-03 3.80e-04   51.230 57
CPL   1.970    0.000       3.4    0.0      4.01e-03 0.00e+00   50.690 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.041    0.188    -      -           1.15e-02 1.49e-03   67.610 57
CPL   1.446    0.915      37.0    0.0      2.61e-02 0.00e+00   66.190 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: 1.152000 sec.
T50 in the 50-300 keV band: 0.640000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   14.036    0.020   14.056
T90    11.268    0.368   11.636
T50     2.876    2.040    4.916
Peak    1.000    2.172    3.172

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  132.1763 -16.3469 0.0108   12.3  124.4       0.6727    17.7  TRIG_00670800       
------------------------------------------
 
Foreground time interval of the image:
  0.020   9.141 (delta_t =   9.121 [sec])
Background time interval of the image:
-239.360   0.020 (delta_t = 239.380 [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    0.020 sec. to   14.056 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.29398     ( -0.203349   0.218549 )
Norm@50keV  : 2.51924E-03    ( -0.000383609   0.000376857 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.23 using 59 PHA bins.
# Reduced chi-squared =         0.8987 for     57 degrees of freedom 
# Null hypothesis probability =   6.904574e-01
 
Photon flux (15-150 keV)    in 14.04 sec: 0.438790 ( -0.0430789  0.0430793 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.37631e-07 ( -4.13941e-08  4.2649e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.020 sec. to   14.056 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.96994     (     )
Epeak [keV] : 3.43122      (   )
Norm@50keV  : 4.01081E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.69 using 59 PHA bins.
# Reduced chi-squared =         0.9053 for     56 degrees of freedom 
# Null hypothesis probability =   6.752802e-01
 
Photon flux (15-150 keV)    in 14.04 sec: 0.432991 ( -0.04488  0.045 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.23319e-07 ( -4.97929e-08  5.25545e-08 ) ergs/cm2
 
Band function
Time interval is from    0.020 sec. to   14.056 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.11803   ( 1.0055   1.0055 )
beta        : -2.48149    ( 2.50411   0.357727 )
Epeak [keV] : 21.6703      ( -22.3487 8.36538 )
Norm@50keV   : 1.67566E-02    ( -0.023724   803.082 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.91 using 59 PHA bins.
# Reduced chi-squared =         0.9075 for     55 degrees of freedom 
# Null hypothesis probability =   6.687746e-01
 
Photon flux (15-150 keV)    in 14.04 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]    : 7.64458  (-0.867592  0.985217)
R^2/D10^2   : 0.565786  (-0.220168   0.362425)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.73 using 59 PHA bins.
# Reduced chi-squared =          1.206 for     57 degrees of freedom 
# Null hypothesis probability =   1.373081e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.099e-08   1.386e-08
25- 50  1.308e-07   1.926e-08
50-150  2.950e-08   1.012e-08
15-150  2.413e-07   3.201e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 40.3307       (-9.66404      14.6187)
Norm        : 2.80363       (-0.527439     0.685429)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.79 using 59 PHA bins.
# Reduced chi-squared =         0.9085 for     57 degrees of freedom 
# Null hypothesis probability =   6.704632e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.064e-08   1.227e-08
25- 50  1.197e-07   1.490e-08
50-150  9.342e-08   3.210e-08
15-150  3.037e-07   4.254e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.36394        (-1.275      1.25313)
R1^2/D10^2  : 1.90651        (-1.03438      3.50199)
kT2 [keV]   : 18.8348        (-6.42287      14.883)
R2^2/D10^2  : 9.45009E-03    (-0.00830336   0.0325281)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.84 using 59 PHA bins.
# Reduced chi-squared =         0.9063 for     55 degrees of freedom 
# Null hypothesis probability =   6.713853e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.481e-08   3.873e-08
25- 50  1.105e-07   4.357e-08
50-150  1.192e-07   6.665e-08
15-150  3.245e-07   1.391e-07

Peak spectrum fit

Power-law model
Time interval is from    2.172 sec. to    3.172 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.04066     ( -0.183339   0.193386 )
Norm@50keV  : 1.15045E-02    ( -0.00150362   0.00147077 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.61 using 59 PHA bins.
# Reduced chi-squared =          1.186 for     57 degrees of freedom 
# Null hypothesis probability =   1.588076e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.75874 ( -0.178075  0.178107 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.06358e-07 ( -1.27844e-08  1.30188e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.172 sec. to    3.172 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.44626     ( -1.14225   0.688149 )
Epeak [keV] : 36.9771      (   )
Norm@50keV  : 2.61420E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.19 using 59 PHA bins.
# Reduced chi-squared =          1.182 for     56 degrees of freedom 
# Null hypothesis probability =   1.654917e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.72636 ( -0.18104  0.18392 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.96661e-08 ( -1.55613e-08  1.60639e-08 ) ergs/cm2
 
Band function
Time interval is from    2.172 sec. to    3.172 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.112920   ( -1.61128   0.0939654 )
beta        : -2.40360    ( -0.824881   0.37705 )
Epeak [keV] : 31.1423      ( -9.14252 11.1821 )
Norm@50keV   : 0.220507    ( -0.246843   911.484 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.30 using 59 PHA bins.
# Reduced chi-squared =          1.151 for     55 degrees of freedom 
# Null hypothesis probability =   2.067015e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.00652e-07 ( -1.00645e-07  -1.32723e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.00401  (-0.941496  1.06692)
R^2/D10^2   : 1.24529  (-0.445324   0.678714)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.42 using 59 PHA bins.
# Reduced chi-squared =          1.376 for     57 degrees of freedom 
# Null hypothesis probability =   3.146348e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.966e-08   3.465e-09
25- 50  4.182e-08   5.485e-09
50-150  1.597e-08   4.720e-09
15-150  7.745e-08   1.065e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 59.0120       (-15.4042      24.159)
Norm        : 9.32736       (-1.53475     1.80143)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.15 using 59 PHA bins.
# Reduced chi-squared =          1.161 for     57 degrees of freedom 
# Null hypothesis probability =   1.902841e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.338e-08   3.335e-09
25- 50  3.540e-08   3.945e-09
50-150  3.972e-08   1.087e-08
15-150  9.850e-08   1.360e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.33130        (-1.48818      1.35145)
R1^2/D10^2  : 2.40065        (-0.983705      2.57553)
kT2 [keV]   : 34.3469        (-17.8156      -35.7358)
R2^2/D10^2  : 4.47488E-03    (-0.0039915   0.0223727)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.45 using 59 PHA bins.
# Reduced chi-squared =          1.135 for     55 degrees of freedom 
# Null hypothesis probability =   2.287053e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.245e-08   6.345e-09
25- 50  3.736e-08   1.054e-08
50-150  4.473e-08   2.275e-08
15-150  1.045e-07   3.315e-08
Plot creation:
Mon Jan 18 12:37:09 EST 2016