batgrbproduct Analysis for Trigger=663490

Analysis Summary

Special note:

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Nov 15 06:25:51 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger663490/GCN5_download_cron
======================================================================

  Trigger: 00663490      Segment: 000

  BAT Trigger Time: 469187989.568   [s; MET]
      Trigger Stop: 469187990.08   [s; MET]
               UTC: 2015-11-14T09:59:34.155100    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 120.937400376558   Dec: -61.0422350757683  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.86
     Image Trigger?:     NO
     Rate S/N Ratio:     14.6287388383278  [ if not an image trigger ]
     Image S/N Ratio:    7.86

  Flight Position:   [ source = BAT ]
    RA: 120.937400376558   Dec: -61.0422350757683  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 120.947213789916   Dec: -61.0327905303238  [deg; J2000]  
        { 08h 03m 47.3s , -61d 01' 58.0" }
         +/- 1.7641297212892 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.791452411749649 [arcmin] (formal 1-sigma fit error)
    SNR: 13.5186065185786
 
  Angular difference between Flight and Ground position is 0.634359 arcmin
 
  Partial Coding Fraction: 0.3046875    [ including projection effects ]

  Duration
     T90: 4.85599994659424 +/- 0.846990032594533
        Measured from: -3.76799988746643
                   to: 1.08800005912781     [s; relative to TRIGTIME]
     T50: 2.567999958992 +/- 1.23476314762281
        Measured from: -1.94399988651276
                   to: 0.624000072479248     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0559999942779541     
                   to: 0.944000005722046     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.25999999046326     
                   to: 1.25199997425079     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.233258   0.268702   0.111486   0.046863
           0.028664   0.029967   0.024770   0.022429 [error]
 Peak      0.111871   0.115543   0.056449   0.024038
           0.013750   0.014499   0.011443   0.009959 [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 9.33e-08 1.16e-07 1.05e-07 1.65e-07 3.71e-07 4.80e-07   erg/cm2
              Error 1.72e-08 1.53e-08 2.42e-08 7.50e-08 5.61e-08 1.03e-07   erg/cm2
Peak flux Power-law 1.36e+00 9.39e-01 4.24e-01 2.66e-01 2.86e+00 2.99e+00   ph/cm2/s
              Error 2.73e-01 1.30e-01 9.71e-02 1.15e-01 4.01e-01 4.13e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.05e-08 1.21e-07 1.04e-07 9.03e-08 3.61e-07 4.06e-07   erg/cm2
              Error 1.91e-08 2.07e-08 2.69e-08 1.21e-07 6.29e-08 1.37e-07   erg/cm2
Peak flux Cutoff-PL 1.30e+00 9.87e-01 4.27e-01 1.55e-01 2.82e+00 2.87e+00   ph/cm2/s
              Error 3.19e-01 1.79e-01 1.05e-01 1.91e-01 4.15e-01 4.75e-01   ph/cm2/s
 
Fluence        Band 8.76e-08 1.24e-07 1.00e-07 1.22e-07 3.60e-07 4.35e-07   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    2.143    0.252    -      -           7.22e-03 1.21e-03   57.970 57
CPL   1.794    0.767      25.0    0.0      1.15e-02 0.00e+00   57.610 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.147    0.261    -      -           1.77e-02 3.09e-03   49.900 57
CPL   1.726    0.919      28.1    0.0      3.08e-02 0.00e+00   49.500 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    5.512   -4.260    1.252
T90     4.856   -3.768    1.088
T50     2.568   -1.944    0.624
Peak    1.000   -0.056    0.944

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  120.9472 -61.0328 0.0142   48.8 -173.8       0.7247    13.5  TRIG_00663490       
------------------------------------------
 
Foreground time interval of the image:
 -4.260   1.252 (delta_t =   5.512 [sec])
Background time interval of the image:
-239.367 -145.048 (delta_t =  94.319 [sec])
-143.568  -4.260 (delta_t = 139.308 [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   -4.260 sec. to    1.252 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.14312     ( -0.241303   0.262108 )
Norm@50keV  : 7.21813E-03    ( -0.00123422   0.00119304 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.97 using 59 PHA bins.
# Reduced chi-squared =          1.017 for     57 degrees of freedom 
# Null hypothesis probability =   4.392058e-01
 
Photon flux (15-150 keV)    in 5.512 sec: 1.16038 ( -0.152839  0.15298 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.71352e-07 ( -5.5658e-08  5.6627e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -4.260 sec. to    1.252 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.79409     ( -1.2684   0.265314 )
Epeak [keV] : 24.9628      (   )
Norm@50keV  : 1.14619E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.61 using 59 PHA bins.
# Reduced chi-squared =          1.029 for     56 degrees of freedom 
# Null hypothesis probability =   4.154911e-01
 
Photon flux (15-150 keV)    in 5.512 sec: 1.14666 ( -0.157932  0.15743 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.60881e-07 ( -6.29322e-08  6.29603e-08 ) ergs/cm2
 
Band function
Time interval is from   -4.260 sec. to    1.252 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.79373   ( -4.22785   0.663479 )
beta        : -10.0000    ( 10   20 )
Epeak [keV] : 24.9736      ( -12.9126 -24.9736 )
Norm@50keV   : 1.14647E-02    ( -0.00458247   0.0522518 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.61 using 59 PHA bins.
# Reduced chi-squared =          1.047 for     55 degrees of freedom 
# Null hypothesis probability =   3.789500e-01
 
Photon flux (15-150 keV)    in 5.512 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.59503e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.29988  (-1.31904  1.53331)
R^2/D10^2   : 0.703378  (-0.31922   0.585842)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.81 using 59 PHA bins.
# Reduced chi-squared =          1.207 for     57 degrees of freedom 
# Null hypothesis probability =   1.357631e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.634e-08   1.525e-08
25- 50  1.483e-07   2.682e-08
50-150  6.248e-08   2.178e-08
15-150  2.771e-07   5.181e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 55.2142       (-17.0026      28.9676)
Norm        : 6.29129       (-1.35103     1.72652)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.07 using 59 PHA bins.
# Reduced chi-squared =          1.019 for     57 degrees of freedom 
# Null hypothesis probability =   4.356628e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.587e-08   1.491e-08
25- 50  1.273e-07   2.028e-08
50-150  1.349e-07   4.840e-08
15-150  3.480e-07   6.165e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.13399        (-4.12681      1.8775)
R1^2/D10^2  : 1.67598        (-0.95084      5.68627)
kT2 [keV]   : 28.7427        (-25.7533      155.313)
R2^2/D10^2  : 5.09404E-03    (-0.00486839   0.175061)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.66 using 59 PHA bins.
# Reduced chi-squared =          1.066 for     55 degrees of freedom 
# Null hypothesis probability =   3.429199e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.072e-08   3.375e-08
25- 50  1.319e-07   5.533e-08
50-150  1.531e-07   8.751e-08
15-150  3.658e-07   1.600e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.056 sec. to    0.944 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.14726     ( -0.250305   0.272364 )
Norm@50keV  : 1.77428E-02    ( -0.00314251   0.00303254 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.90 using 59 PHA bins.
# Reduced chi-squared =         0.8754 for     57 degrees of freedom 
# Null hypothesis probability =   7.362309e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.85832 ( -0.400574  0.401065 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.65687e-07 ( -2.58163e-08  2.61805e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.056 sec. to    0.944 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.72558     ( -1.46595   0.372244 )
Epeak [keV] : 28.0928      (   )
Norm@50keV  : 3.08089E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.50 using 59 PHA bins.
# Reduced chi-squared =         0.8839 for     56 degrees of freedom 
# Null hypothesis probability =   7.178485e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.81964 ( -0.41669  0.41365 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.6082e-07 ( -2.8586e-08  1.457e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.056 sec. to    0.944 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.43937   ( 1.31709   1.31709 )
beta        : -2.58812    ( 2.63684   0.705978 )
Epeak [keV] : 32.3429      ( -33.4364 26.8281 )
Norm@50keV   : 4.58833E-02    ( -0.0265772   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.19 using 59 PHA bins.
# Reduced chi-squared =         0.8944 for     55 degrees of freedom 
# Null hypothesis probability =   6.950422e-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]    : 10.1377  (-1.40214  1.5781)
R^2/D10^2   : 1.25642  (-0.550706   0.995133)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.69 using 59 PHA bins.
# Reduced chi-squared =          1.030 for     57 degrees of freedom 
# Null hypothesis probability =   4.132568e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.642e-08   6.950e-09
25- 50  6.696e-08   1.164e-08
50-150  3.635e-08   1.292e-08
15-150  1.297e-07   2.357e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 56.1725       (-17.3751      30.1019)
Norm        : 15.3927       (-3.42448     4.32913)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.78 using 59 PHA bins.
# Reduced chi-squared =         0.8733 for     57 degrees of freedom 
# Null hypothesis probability =   7.402548e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.824e-08   7.405e-09
25- 50  5.701e-08   9.620e-09
50-150  6.133e-08   2.304e-08
15-150  1.566e-07   2.860e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.87325        (-1.29853      1.88892)
R1^2/D10^2  : 162.008        (-148.428      12640.1)
kT2 [keV]   : 12.1896        (-2.08226      3.67705)
R2^2/D10^2  : 0.532272    (-0.347142   0.463803)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.59 using 59 PHA bins.
# Reduced chi-squared =         0.8835 for     55 degrees of freedom 
# Null hypothesis probability =   7.163740e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.979e-08   1.813e-08
25- 50  5.656e-08   2.228e-08
50-150  4.846e-08   2.346e-08
15-150  1.448e-07   6.721e-08
Plot creation:
Sun Nov 15 06:31:38 EST 2015