batgrbproduct Analysis for Trigger=648422

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jul 10 16:56:03 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger648422/GCN5_download_cron
======================================================================

  Trigger: 00648422      Segment: 000

  BAT Trigger Time: 458170952   [s; MET]
      Trigger Stop: 458171016   [s; MET]
               UTC: 2015-07-09T21:42:17.168980    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 188.823656409597   Dec: 12.6721354772285  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.81
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.81

  Flight Position:   [ source = BAT ]
    RA: 188.823656409597   Dec: 12.6721354772285  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 188.778305538588   Dec: 12.64013053678  [deg; J2000]  
        { 12h 35m 06.8s , +12d 38' 24.5" }
         +/- 3.58330464679036 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.17820871017394 [arcmin] (formal 1-sigma fit error)
    SNR: 4.91229541034481
 
  Angular difference between Flight and Ground position is 3.276619 arcmin
 
  Partial Coding Fraction: 0.96875    [ 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     0.106619   0.138759   0.036756   0.038634
           0.040684   0.042510   0.037536   0.031731 [error]
 Peak      0.106619   0.138759   0.036756   0.038634
           0.040684   0.042510   0.037536   0.031731 [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 2.98e-08 4.01e-08 3.98e-08 7.11e-08 1.33e-07 1.83e-07   erg/cm2
              Error 1.50e-08 1.79e-08 2.84e-08 1.08e-07 7.04e-08 1.40e-07   erg/cm2
Peak flux Power-law 1.51e-02 1.13e-02 5.63e-03 3.99e-03 3.39e-02 3.60e-02   ph/cm2/s
              Error 7.74e-03 4.95e-03 3.88e-03 5.57e-03 1.45e-02 1.60e-02   ph/cm2/s
 
Fluence   Cutoff-PL 2.60e-08 6.40e-08 9.80e-09 1.14e-11 9.99e-08 9.98e-08   erg/cm2
              Error 1.74e-08 2.91e-08 2.92e-08 1.42e-08 5.32e-08 4.20e-08   erg/cm2
Peak flux Cutoff-PL 1.25e-02 1.84e-02 1.66e-03 1.05e-06 3.26e-02 3.25e-02   ph/cm2/s
              Error 8.72e-03 7.95e-03 4.27e-03 9.98e-04 1.34e-02 1.34e-02   ph/cm2/s
 
Fluence        Band 2.69e-08 6.33e-08 2.05e-08 4.44e-10 1.09e-07 1.09e-07   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 1.30e-02 1.82e-02 2.38e-03 1.15e-05 3.34e-02 3.34e-02   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    2.001    0.731    -      -           2.26e-04 1.25e-04   40.490 57
CPL  -5.567    0.000      32.2   14.2      2.30e+01 0.00e+00   36.480 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.001    0.731    -      -           2.26e-04 1.25e-04   40.490 57
CPL  -5.567    0.000      32.2   14.2      2.30e+01 0.00e+00   36.480 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
  188.7783 +12.6401 0.0392   12.9 -121.4       0.3848     4.9  TRIG_00648422       
------------------------------------------
 
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: 2.00096     ( -0.652913   0.809682 )
Norm@50keV  : 2.26335E-04    ( -0.000124419   0.00012478 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.49 using 59 PHA bins.
# Reduced chi-squared =         0.7104 for     57 degrees of freedom 
# Null hypothesis probability =   9.518517e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.39487E-02 ( -0.0144146  0.0145429 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32836e-07 ( -6.59878e-08  7.48832e-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: -5.56685     (     )
Epeak [keV] : 32.2489      ( -6.72848 21.7065 )
Norm@50keV  : 23.0188    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.48 using 59 PHA bins.
# Reduced chi-squared =         0.6514 for     56 degrees of freedom 
# Null hypothesis probability =   9.798990e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.25505E-02 ( -0.0129075  0.0138081 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.98637e-08 ( -4.27866e-08  6.37133e-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       : 4.89593   ( -7.06661   -4.89593 )
beta        : -4.22165    ( 4.22165   2.15445 )
Epeak [keV] : 31.9245      ( -10.0017 9.59078 )
Norm@50keV   : 8.98282    ( -3.3717   95.7594 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.28 using 59 PHA bins.
# Reduced chi-squared =         0.6596 for     55 degrees of freedom 
# Null hypothesis probability =   9.758738e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.34267E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.09231e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 8.94363  (-2.66076  4.03267)
R^2/D10^2   : 2.84106E-02  (-0.0284106   0.0793784)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.87 using 59 PHA bins.
# Reduced chi-squared =         0.6468 for     57 degrees of freedom 
# Null hypothesis probability =   9.823334e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.822e-08   1.748e-08
25- 50  5.940e-08   3.699e-08
50-150  2.223e-08   1.837e-08
15-150  1.099e-07   7.350e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 52.4354       (-30.0587      -51.1949)
Norm        : 0.196665       (-0.0942849     0.180458)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.04 using 59 PHA bins.
# Reduced chi-squared =         0.6848 for     57 degrees of freedom 
# Null hypothesis probability =   9.668874e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.110e-08   1.983e-08
25- 50  4.541e-08   2.886e-08
50-150  4.608e-08   3.878e-08
15-150  1.226e-07   8.320e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.48179        (-8.55436      -8.55436)
R1^2/D10^2  : 3.28766E-03        (-0.0037788      -0.0037788)
kT2 [keV]   : 9.11331        (-9.00839      188.364)
R2^2/D10^2  : 2.40144E-02    (-0.0243069   -0.0243069)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.87 using 59 PHA bins.
# Reduced chi-squared =         0.6703 for     55 degrees of freedom 
# Null hypothesis probability =   9.713409e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.786e-08   1.250e-03
25- 50  5.971e-08   1.142e-02
50-150  2.323e-08   2.590e-01
15-150  1.108e-07   3.000e-01

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: 2.00096     ( -0.652913   0.809682 )
Norm@50keV  : 2.26335E-04    ( -0.000124419   0.00012478 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.49 using 59 PHA bins.
# Reduced chi-squared =         0.7104 for     57 degrees of freedom 
# Null hypothesis probability =   9.518517e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.39487E-02 ( -0.0144146  0.0145429 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32836e-07 ( -6.59878e-08  7.48832e-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: -5.56685     (     )
Epeak [keV] : 32.2489      ( -6.72848 21.7065 )
Norm@50keV  : 23.0188    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.48 using 59 PHA bins.
# Reduced chi-squared =         0.6514 for     56 degrees of freedom 
# Null hypothesis probability =   9.798990e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.25505E-02 ( -0.0129075  0.0138081 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.98637e-08 ( -4.27866e-08  6.36358e-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       : 4.89593   ( -7.06661   -4.89593 )
beta        : -4.22165    ( 4.22165   2.15445 )
Epeak [keV] : 31.9245      ( -10.0017 9.59078 )
Norm@50keV   : 8.98282    ( -3.3717   95.7594 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.28 using 59 PHA bins.
# Reduced chi-squared =         0.6596 for     55 degrees of freedom 
# Null hypothesis probability =   9.758738e-01
 
Photon flux (15-150 keV)    in 64 sec: 3.34267E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.09231e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 8.94363  (-2.66076  4.03267)
R^2/D10^2   : 2.84106E-02  (-0.0284106   0.0793784)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.87 using 59 PHA bins.
# Reduced chi-squared =         0.6468 for     57 degrees of freedom 
# Null hypothesis probability =   9.823334e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.822e-08   1.759e-08
25- 50  5.940e-08   3.808e-08
50-150  2.223e-08   1.821e-08
15-150  1.099e-07   7.510e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 52.4354       (-30.0587      -51.1949)
Norm        : 0.196665       (-0.0942849     0.180458)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.04 using 59 PHA bins.
# Reduced chi-squared =         0.6848 for     57 degrees of freedom 
# Null hypothesis probability =   9.668874e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.110e-08   2.020e-08
25- 50  4.541e-08   2.820e-08
50-150  4.608e-08   3.818e-08
15-150  1.226e-07   8.438e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.48179        (-8.55436      -8.55436)
R1^2/D10^2  : 3.28766E-03        (-0.0037788      -0.0037788)
kT2 [keV]   : 9.11331        (-9.00839      188.364)
R2^2/D10^2  : 2.40144E-02    (-0.0243069   -0.0243069)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.87 using 59 PHA bins.
# Reduced chi-squared =         0.6703 for     55 degrees of freedom 
# Null hypothesis probability =   9.713409e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.786e-08   1.348e-03
25- 50  5.971e-08   1.038e-02
50-150  2.323e-08   2.625e-01
15-150  1.108e-07   2.778e-01
Plot creation:
Fri Jul 10 16:59:37 EDT 2015