batgrbproduct Analysis for Trigger=650416

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jul 27 21:47:59 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger650416/GCN5_download_cron
======================================================================

  Trigger: 00650416      Segment: 000

  BAT Trigger Time: 459656696   [s; MET]
      Trigger Stop: 459657072   [s; MET]
               UTC: 2015-07-27T02:24:41.091260    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 54.4335015759481   Dec: 53.331361524527  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    25.6
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    25.6

  Flight Position:   [ source = BAT ]
    RA: 54.4335015759481   Dec: 53.331361524527  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 54.4349720002961   Dec: 53.3206804915901  [deg; J2000]  
        { 03h 37m 44.4s , +53d 19' 14.4" }
         +/- 0.76495056049172 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.218093497475719 [arcmin] (formal 1-sigma fit error)
    SNR: 44.6022150035157
 
  Angular difference between Flight and Ground position is 0.643025 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]
     T50: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 376 second)
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     8.834858   1.856726  -0.045943   0.066765
           0.096314   0.091783   0.077269   0.066063 [error]
 Peak      8.834858   1.856726  -0.045943   0.066765
           0.096314   0.091783   0.077269   0.066063 [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 2.47e-06 7.03e-07 1.08e-07 1.90e-08 3.29e-06 3.30e-06   erg/cm2
              Error 2.07e-07 5.75e-08 2.46e-08 7.78e-09 1.96e-07 1.95e-07   erg/cm2
Peak flux Power-law 2.81e-01 4.61e-02 3.54e-03 2.92e-04 3.31e-01 3.31e-01   ph/cm2/s
              Error 2.45e-02 3.53e-03 7.82e-04 1.15e-04 2.38e-02 2.38e-02   ph/cm2/s
 
Fluence   Cutoff-PL 2.45e-06 7.02e-07 9.97e-08 1.27e-08 3.26e-06 3.27e-06   erg/cm2
              Error 2.24e-07 5.84e-08 3.89e-08 -------- 2.41e-07 2.34e-07   erg/cm2
Peak flux Cutoff-PL 2.79e-01 4.61e-02 3.30e-03 2.05e-04 3.28e-01 3.29e-01   ph/cm2/s
              Error 2.02e-02 3.57e-03 1.22e-03 2.10e-04 2.65e-02 2.66e-02   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 2.86e-01 4.83e-02 3.85e-03 3.28e-04 3.39e-01 3.39e-01   ph/cm2/s
              Error 2.72e-02 4.41e-03 -------- 1.86e-04 2.69e-02 2.63e-02   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    4.702    0.229    -      -           2.84e-04 4.92e-05   90.540 57
CPL   1.000    0.000      50.0    0.0      2.23e-03 0.00e+00  616.460 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    4.702    0.229    -      -           2.84e-04 4.92e-05   90.540 57
CPL   1.000    0.000      50.0    0.0      2.23e-03 0.00e+00  616.460 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  376.000    0.000  376.000
T90   376.000    0.000  376.000
T50   376.000    0.000  376.000
Peak  376.000    0.000  376.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   54.4350 +53.3207 0.0043    0.1 -156.9      10.7288    44.6  TRIG_00650416       
------------------------------------------
 
Foreground time interval of the image:
  0.000 303.056 (delta_t = 303.056 [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  303.056 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 4.70155     ( -0.226532   0.230684 )
Norm@50keV  : 2.84058E-04    ( -4.65319e-05   5.19497e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          90.54 using 59 PHA bins.
# Reduced chi-squared =          1.588 for     57 degrees of freedom 
# Null hypothesis probability =   3.106734e-03
 
Photon flux (15-150 keV)    in 303.1 sec: 0.330649 ( -0.0234999  0.0240775 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.29382e-06 ( -1.94222e-07  1.97287e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  303.056 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 2.23311E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         616.46 using 59 PHA bins.
# Reduced chi-squared =         11.008 for     56 degrees of freedom 
# Null hypothesis probability =   2.186031e-95
 
Photon flux (15-150 keV)    in 303.1 sec: 0.327966 ( -0.027164  0.025845 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.26217e-06 ( -2.43414e-07  2.3857e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  303.056 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.47066   (     )
beta        : -8.80960    (     )
Epeak [keV] : 31.7755      (   )
Norm@50keV   : 1.93837E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         515.35 using 59 PHA bins.
# Reduced chi-squared =         9.3699 for     55 degrees of freedom 
# Null hypothesis probability =   5.186217e-76
 
Photon flux (15-150 keV)    in 303.1 sec: 0.338623 ( 6.66138  -0.027919 ) 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]    : 3.82395  (  )
R^2/D10^2   : 8.77031  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         146.08 using 59 PHA bins.
# Reduced chi-squared =         2.5628 for     57 degrees of freedom 
# Null hypothesis probability =   9.301538e-10
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.936e-06   2.263e-07
25- 50  6.135e-07   6.608e-08
50-150  5.647e-09   2.213e-09
15-150  2.555e-06   2.201e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 8.17820       (-0.853105      0.991078)
Norm        : 15.4364       (-4.30334     6.25859)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         110.10 using 59 PHA bins.
# Reduced chi-squared =         1.9316 for     57 degrees of freedom 
# Null hypothesis probability =   3.099235e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.125e-06   2.008e-07
25- 50  6.832e-07   7.062e-08
50-150  2.585e-08   8.514e-09
15-150  2.834e-06   2.043e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.27884        (-0.224521      0.231631)
R1^2/D10^2  : 247.172        (-127.437      282.556)
kT2 [keV]   : 6.32939        (-0.69212      0.814799)
R2^2/D10^2  : 0.329053    (-0.161644   0.312465)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.04 using 59 PHA bins.
# Reduced chi-squared =          1.364 for     55 degrees of freedom 
# Null hypothesis probability =   3.754591e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.611e-06   1.001e-06
25- 50  7.398e-07   2.665e-07
50-150  7.242e-08   3.851e-08
15-150  3.423e-06   9.827e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to  303.056 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 4.70155     ( -0.226532   0.230684 )
Norm@50keV  : 2.84058E-04    ( -4.65319e-05   5.19497e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          90.54 using 59 PHA bins.
# Reduced chi-squared =          1.588 for     57 degrees of freedom 
# Null hypothesis probability =   3.106734e-03
 
Photon flux (15-150 keV)    in 303.1 sec: 0.330649 ( -0.0234999  0.0240775 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.29382e-06 ( -1.94222e-07  1.97287e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  303.056 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 2.23311E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         616.46 using 59 PHA bins.
# Reduced chi-squared =         11.008 for     56 degrees of freedom 
# Null hypothesis probability =   2.186031e-95
 
Photon flux (15-150 keV)    in 303.1 sec: 0.327966 ( -0.027164  0.025845 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.26217e-06 ( -2.43414e-07  2.3857e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  303.056 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.47066   (     )
beta        : -8.80960    (     )
Epeak [keV] : 31.7755      (   )
Norm@50keV   : 1.93837E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         515.35 using 59 PHA bins.
# Reduced chi-squared =         9.3699 for     55 degrees of freedom 
# Null hypothesis probability =   5.186217e-76
 
Photon flux (15-150 keV)    in 303.1 sec: 0.338623 ( 6.66138  -0.027919 ) 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]    : 3.82395  (  )
R^2/D10^2   : 8.77031  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         146.08 using 59 PHA bins.
# Reduced chi-squared =         2.5628 for     57 degrees of freedom 
# Null hypothesis probability =   9.301538e-10
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.936e-06   2.064e-07
25- 50  6.135e-07   6.562e-08
50-150  5.647e-09   2.152e-09
15-150  2.555e-06   2.396e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 8.17820       (-0.853105      0.991078)
Norm        : 15.4364       (-4.30334     6.25859)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         110.10 using 59 PHA bins.
# Reduced chi-squared =         1.9316 for     57 degrees of freedom 
# Null hypothesis probability =   3.099235e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.125e-06   2.060e-07
25- 50  6.832e-07   6.865e-08
50-150  2.585e-08   9.193e-09
15-150  2.834e-06   2.135e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.27884        (-0.224521      0.231631)
R1^2/D10^2  : 247.172        (-127.437      282.556)
kT2 [keV]   : 6.32939        (-0.69212      0.814799)
R2^2/D10^2  : 0.329053    (-0.161644   0.312465)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.04 using 59 PHA bins.
# Reduced chi-squared =          1.364 for     55 degrees of freedom 
# Null hypothesis probability =   3.754591e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.611e-06   1.024e-06
25- 50  7.398e-07   2.688e-07
50-150  7.242e-08   4.366e-08
15-150  3.423e-06   1.173e-06
Plot creation:
Mon Jul 27 21:50:57 EDT 2015