batgrbproduct Analysis for Trigger=664610

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Nov 23 00:28:27 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger664610/GCN5_download_cron
======================================================================

  Trigger: 00664610      Segment: 000

  BAT Trigger Time: 469874960   [s; MET]
      Trigger Stop: 469875024   [s; MET]
               UTC: 2015-11-22T08:49:04.550460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 184.205046519105   Dec: 17.5986474910626  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.9
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.9

  Flight Position:   [ source = BAT ]
    RA: 184.205046519105   Dec: 17.5986474910626  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 184.191761813747   Dec: 17.6363274781889  [deg; J2000]  
        { 12h 16m 46.0s , +17d 38' 10.8" }
         +/- 4.73955553684929 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.07312961144722 [arcmin] (formal 1-sigma fit error)
    SNR: 3.29441971099407
 
  Angular difference between Flight and Ground position is 2.385027 arcmin
 
  Partial Coding Fraction: 0.7578125    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.222664   0.198923  -0.031286   0.063542
           0.051627   0.053803   0.047874   0.044735 [error]
 Peak      0.222664   0.198923  -0.031286   0.063542
           0.051627   0.053803   0.047874   0.044735 [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 5.84e-08 6.63e-08 5.39e-08 7.31e-08 2.05e-07 2.51e-07   erg/cm2
              Error 2.27e-08 2.49e-08 3.54e-08 1.02e-07 8.81e-08 1.47e-07   erg/cm2
Peak flux Power-law 2.99e-02 1.89e-02 7.67e-03 4.22e-03 5.86e-02 6.07e-02   ph/cm2/s
              Error 1.18e-02 6.92e-03 4.88e-03 5.49e-03 1.99e-02 2.09e-02   ph/cm2/s
 
Fluence   Cutoff-PL 4.97e-08 9.95e-08 3.41e-08 7.89e-10 1.84e-07 1.84e-07   erg/cm2
              Error 3.86e-08 3.87e-08 3.75e-08 1.17e-08 6.49e-08 6.51e-08   erg/cm2
Peak flux Cutoff-PL 2.45e-02 2.82e-02 5.43e-03 6.92e-05 5.81e-02 5.82e-02   ph/cm2/s
              Error 1.94e-02 1.05e-02 5.62e-03 8.69e-04 1.90e-02 1.91e-02   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    2.305    0.635    -      -           3.35e-04 1.68e-04   80.880 57
CPL  -1.371    4.444      33.5   13.7      6.65e-02 5.67e+01   76.420 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.305    0.635    -      -           3.35e-04 1.68e-04   80.880 57
CPL  -1.371    4.444      33.5   13.7      6.65e-02 5.67e+01   76.420 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  184.1918 +17.6363 0.0584   30.1    9.5       0.3506     3.3  TRIG_00664610       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [sec])
Background time interval of the image:

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    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.30452     ( -0.560753   0.710243 )
Norm@50keV  : 3.34522E-04    ( -0.000165454   0.000170804 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.88 using 59 PHA bins.
# Reduced chi-squared =          1.419 for     57 degrees of freedom 
# Null hypothesis probability =   2.044940e-02
 
Photon flux (15-150 keV)    in 64 sec: 5.86329E-02 ( -0.0198443  0.0199985 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.05291e-07 ( -8.30074e-08  9.31302e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.37149     ( -5.88856   2.99851 )
Epeak [keV] : 33.5132      ( -17.0944 10.2672 )
Norm@50keV  : 6.64761E-02    ( -0.0759432   113.259 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.42 using 59 PHA bins.
# Reduced chi-squared =          1.365 for     56 degrees of freedom 
# Null hypothesis probability =   3.623340e-02
 
Photon flux (15-150 keV)    in 64 sec: 5.81079E-02 ( -0.0190967  0.0189906 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.83619e-07 ( -6.13338e-08  6.84806e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.95346   ( -3.08652   -1.9045 )
beta        : -9.04695    ( 8.95419   18.9429 )
Epeak [keV] : 34.4624      ( -9.58906 9.68661 )
Norm@50keV   : 0.140603    ( -0.129044   10.8003 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.43 using 59 PHA bins.
# Reduced chi-squared =          1.390 for     55 degrees of freedom 
# Null hypothesis probability =   2.955273e-02
 
Photon flux (15-150 keV)    in 64 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]    : 8.73944  (-2.20166  2.55352)
R^2/D10^2   : 5.26353E-02  (-0.0526353   0.108323)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.31 using 59 PHA bins.
# Reduced chi-squared =          1.339 for     57 degrees of freedom 
# Null hypothesis probability =   4.472970e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.930e-08   2.925e-08
25- 50  1.000e-07   6.099e-08
50-150  3.485e-08   2.858e-08
15-150  1.842e-07   1.168e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 35.8934       (-17.405      47.4241)
Norm        : 0.428415       (-0.187714     0.340742)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.66 using 59 PHA bins.
# Reduced chi-squared =          1.380 for     57 degrees of freedom 
# Null hypothesis probability =   3.019365e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.051e-08   3.600e-08
25- 50  7.580e-08   4.690e-08
50-150  5.187e-08   4.589e-08
15-150  1.882e-07   1.190e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.49676        (-3.34287      -3.34287)
R1^2/D10^2  : 0.381908        (-0.381527      -0.381527)
kT2 [keV]   : 9.27774        (-2.55936      189.919)
R2^2/D10^2  : 3.83392E-02    (-0.0405714   0.114822)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.17 using 59 PHA bins.
# Reduced chi-squared =          1.385 for     55 degrees of freedom 
# Null hypothesis probability =   3.094540e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.288e-08   3.066e-08
25- 50  9.566e-08   6.314e-08
50-150  3.891e-08   2.422e-08
15-150  1.874e-07   1.131e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.30452     ( -0.560753   0.710243 )
Norm@50keV  : 3.34522E-04    ( -0.000165454   0.000170804 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.88 using 59 PHA bins.
# Reduced chi-squared =          1.419 for     57 degrees of freedom 
# Null hypothesis probability =   2.044940e-02
 
Photon flux (15-150 keV)    in 64 sec: 5.86329E-02 ( -0.0198443  0.0199985 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.05291e-07 ( -8.30074e-08  9.31302e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.37149     ( -5.88856   2.99851 )
Epeak [keV] : 33.5132      ( -17.0944 10.2672 )
Norm@50keV  : 6.64761E-02    ( -0.0759432   113.259 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.42 using 59 PHA bins.
# Reduced chi-squared =          1.365 for     56 degrees of freedom 
# Null hypothesis probability =   3.623340e-02
 
Photon flux (15-150 keV)    in 64 sec: 5.81079E-02 ( -0.0190967  0.0189906 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.83619e-07 ( -6.13338e-08  6.84806e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.95346   ( -3.08652   -1.9045 )
beta        : -9.04695    ( 8.95419   18.9429 )
Epeak [keV] : 34.4624      ( -9.58906 9.68661 )
Norm@50keV   : 0.140603    ( -0.129044   10.8003 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.43 using 59 PHA bins.
# Reduced chi-squared =          1.390 for     55 degrees of freedom 
# Null hypothesis probability =   2.955273e-02
 
Photon flux (15-150 keV)    in 64 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]    : 8.73944  (-2.20166  2.55352)
R^2/D10^2   : 5.26353E-02  (-0.0526353   0.108323)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.31 using 59 PHA bins.
# Reduced chi-squared =          1.339 for     57 degrees of freedom 
# Null hypothesis probability =   4.472970e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.930e-08   3.005e-08
25- 50  1.000e-07   6.304e-08
50-150  3.485e-08   2.693e-08
15-150  1.842e-07   1.179e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 35.8934       (-17.405      47.4241)
Norm        : 0.428415       (-0.187714     0.340742)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.66 using 59 PHA bins.
# Reduced chi-squared =          1.380 for     57 degrees of freedom 
# Null hypothesis probability =   3.019365e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.051e-08   3.746e-08
25- 50  7.580e-08   4.666e-08
50-150  5.187e-08   4.182e-08
15-150  1.882e-07   1.210e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.49676        (-3.34287      -3.34287)
R1^2/D10^2  : 0.381908        (-0.381527      -0.381527)
kT2 [keV]   : 9.27774        (-2.55936      189.919)
R2^2/D10^2  : 3.83392E-02    (-0.0405714   0.114822)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.17 using 59 PHA bins.
# Reduced chi-squared =          1.385 for     55 degrees of freedom 
# Null hypothesis probability =   3.094540e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.288e-08   3.306e-08
25- 50  9.566e-08   6.131e-08
50-150  3.891e-08   3.015e-08
15-150  1.874e-07   1.173e-07
Plot creation:
Mon Nov 23 00:36:54 EST 2015