batgrbproduct Analysis for Trigger=710022

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Aug 28 12:34:04 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger710022/GCN5_download_cron
======================================================================

  Trigger: 00710022      Segment: 000

  BAT Trigger Time: 493976216   [s; MET]
      Trigger Stop: 493976560   [s; MET]
               UTC: 2016-08-27T07:36:39.228960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 270.759892663473   Dec: -20.2484847422294  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.88
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.88

  Flight Position:   [ source = BAT ]
    RA: 270.759892663473   Dec: -20.2484847422294  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 270.577129072977   Dec: -20.4301303380382  [deg; J2000]  
        { 18h 02m 18.5s , -20d 25' 48.5" }
         +/- 3.92265640204133 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.86595272548077 [arcmin] (formal 1-sigma fit error)
    SNR: 4.31664732506416
 
  Angular difference between Flight and Ground position is 14.983457 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 344 +/- 
        Measured from: 0
                   to: 344     [s; relative to TRIGTIME]
     T50: 344 +/- 
        Measured from: 0
                   to: 344     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 344 second)
        Measured from: 0     
                   to: 344     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 344     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.457601   0.475665   0.006035   0.191389
           0.128573   0.115592   0.096704   0.083537 [error]
 Peak      0.457601   0.475665   0.006035   0.191389
           0.128573   0.115592   0.096704   0.083537 [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 1.46e-07 1.31e-07 8.13e-08 7.68e-08 3.91e-07 4.35e-07   erg/cm2
              Error 5.30e-08 5.48e-08 6.64e-08 1.34e-07 1.67e-07 2.40e-07   erg/cm2
Peak flux Power-law 1.40e-02 7.06e-03 2.19e-03 8.65e-04 2.38e-02 2.41e-02   ph/cm2/s
              Error 5.20e-03 2.83e-03 1.73e-03 1.39e-03 7.75e-03 7.98e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.44e-07 1.58e-07 2.84e-08 3.31e-10 3.31e-07 3.31e-07   erg/cm2
              Error 5.96e-08 7.51e-08 6.71e-08 9.58e-08 1.50e-07 2.25e-07   erg/cm2
Peak flux Cutoff-PL 1.35e-02 8.66e-03 8.64e-04 5.51e-06 2.30e-02 2.30e-02   ph/cm2/s
              Error 5.85e-03 3.93e-03 1.78e-03 1.02e-03 7.45e-03 7.45e-03   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    2.690    0.785    -      -           1.07e-04 6.52e-05   53.460 57
CPL   0.265    0.000      21.7    0.0      5.13e-03 0.00e+00   52.180 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.690    0.785    -      -           1.07e-04 6.52e-05   53.460 57
CPL   0.265    0.000      21.7    0.0      5.13e-03 0.00e+00   52.180 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  344.000    0.000  344.000
T90   344.000    0.000  344.000
T50   344.000    0.000  344.000
Peak  344.000    0.000  344.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  270.5771 -20.4301 0.0445    6.1   12.2       1.3278     4.3  TRIG_00710022       
------------------------------------------
 
Foreground time interval of the image:
  0.000 344.000 (delta_t = 344.000 [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  344.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.68972     ( -0.669065   0.899985 )
Norm@50keV  : 1.07153E-04    ( -6.23324e-05   6.81611e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.46 using 59 PHA bins.
# Reduced chi-squared =         0.9379 for     57 degrees of freedom 
# Null hypothesis probability =   6.085957e-01
 
Photon flux (15-150 keV)    in 344 sec: 2.37527E-02 ( -0.00773446  0.00776376 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.90726e-07 ( -1.55655e-07  1.78817e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  344.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.264706     (     )
Epeak [keV] : 21.6704      (   )
Norm@50keV  : 5.13174E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.18 using 59 PHA bins.
# Reduced chi-squared =         0.9317 for     56 degrees of freedom 
# Null hypothesis probability =   6.203480e-01
 
Photon flux (15-150 keV)    in 344 sec: 2.30191E-02 ( -0.0073975  0.0074933 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.30593e-07 ( -1.16184e-07  1.84403e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  344.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.17548   ( 1.0446   1.0446 )
beta        : -10.0000    ( 9.99987   0.000449536 )
Epeak [keV] : 24.3869      ( -12.6547 12.3775 )
Norm@50keV   : 5.24940E-02    ( -0.016497   12.3075 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.14 using 59 PHA bins.
# Reduced chi-squared =         0.9480 for     55 degrees of freedom 
# Null hypothesis probability =   5.844918e-01
 
Photon flux (15-150 keV)    in 344 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]    : 6.41330  (-1.77914  2.28651)
R^2/D10^2   : 6.83143E-02  (-0.0683143   0.211395)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.20 using 59 PHA bins.
# Reduced chi-squared =         0.9157 for     57 degrees of freedom 
# Null hypothesis probability =   6.555257e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.405e-07   8.194e-08
25- 50  1.614e-07   1.019e-07
50-150  1.927e-08   1.700e-08
15-150  3.211e-07   2.042e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 23.3029       (-11.2957      28.3381)
Norm        : 0.246547       (-0.128102     0.304716)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.51 using 59 PHA bins.
# Reduced chi-squared =         0.9212 for     57 degrees of freedom 
# Null hypothesis probability =   6.440369e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.481e-07   8.772e-08
25- 50  1.449e-07   9.297e-08
50-150  5.546e-08   4.826e-08
15-150  3.485e-07   2.236e-07
Double BB
R1^2/D10^2  : 8.28768E-07        (-8.28821e-07      -8.28821e-07)
kT2 [keV]   : 6.26519        (-1.72027      2.29197)
R2^2/D10^2  : 7.43041E-02    (-0.0546014   0.242412)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.06 using 59 PHA bins.
#Fit statistic : Chi-Squared =          51.94 using 59 PHA bins.
#Fit statistic : Chi-Squared =          51.92 using 59 PHA bins.
# Reduced chi-squared =         0.9465 for     55 degrees of freedom 
# Reduced chi-squared =         0.9443 for     55 degrees of freedom 
# Reduced chi-squared =         0.9440 for     55 degrees of freedom 
# Null hypothesis probability =   5.876669e-01
# Null hypothesis probability =   5.924040e-01
# Null hypothesis probability =   5.930203e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.426e-07   8.839e-08
25- 50  1.599e-07   1.031e-07
50-150  2.718e-08   1.913e-08
15-150  3.297e-07   2.202e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to  344.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.68972     ( -0.669065   0.899985 )
Norm@50keV  : 1.07153E-04    ( -6.23324e-05   6.81611e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.46 using 59 PHA bins.
# Reduced chi-squared =         0.9379 for     57 degrees of freedom 
# Null hypothesis probability =   6.085957e-01
 
Photon flux (15-150 keV)    in 344 sec: 2.37527E-02 ( -0.00773446  0.00776376 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.90726e-07 ( -1.55655e-07  1.78817e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  344.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.264706     (     )
Epeak [keV] : 21.6704      (   )
Norm@50keV  : 5.13174E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.18 using 59 PHA bins.
# Reduced chi-squared =         0.9317 for     56 degrees of freedom 
# Null hypothesis probability =   6.203480e-01
 
Photon flux (15-150 keV)    in 344 sec: 2.30191E-02 ( -0.0073975  0.0074933 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.30593e-07 ( -1.16184e-07  1.84403e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  344.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.17548   ( 1.0446   1.0446 )
beta        : -10.0000    ( 9.99987   0.000132845 )
Epeak [keV] : 24.3869      ( -12.6547 12.3775 )
Norm@50keV   : 5.24940E-02    ( -0.016497   12.3075 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.14 using 59 PHA bins.
# Reduced chi-squared =         0.9480 for     55 degrees of freedom 
# Null hypothesis probability =   5.844918e-01
 
Photon flux (15-150 keV)    in 344 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]    : 6.41330  (-1.77914  2.28651)
R^2/D10^2   : 6.83143E-02  (-0.0683143   0.211395)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.20 using 59 PHA bins.
# Reduced chi-squared =         0.9157 for     57 degrees of freedom 
# Null hypothesis probability =   6.555257e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.405e-07   8.629e-08
25- 50  1.614e-07   1.019e-07
50-150  1.927e-08   1.638e-08
15-150  3.211e-07   1.949e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 23.3029       (-11.2957      28.3381)
Norm        : 0.246547       (-0.128102     0.304716)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.51 using 59 PHA bins.
# Reduced chi-squared =         0.9212 for     57 degrees of freedom 
# Null hypothesis probability =   6.440369e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.481e-07   8.343e-08
25- 50  1.449e-07   9.095e-08
50-150  5.546e-08   5.120e-08
15-150  3.485e-07   2.171e-07
Double BB
R1^2/D10^2  : 8.28768E-07        (-8.28821e-07      -8.28821e-07)
kT2 [keV]   : 6.26519        (-1.72027      2.29197)
R2^2/D10^2  : 7.43041E-02    (-0.0546014   0.242412)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.06 using 59 PHA bins.
#Fit statistic : Chi-Squared =          51.94 using 59 PHA bins.
#Fit statistic : Chi-Squared =          51.92 using 59 PHA bins.
# Reduced chi-squared =         0.9465 for     55 degrees of freedom 
# Reduced chi-squared =         0.9443 for     55 degrees of freedom 
# Reduced chi-squared =         0.9440 for     55 degrees of freedom 
# Null hypothesis probability =   5.876669e-01
# Null hypothesis probability =   5.924040e-01
# Null hypothesis probability =   5.930203e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.426e-07   8.382e-08
25- 50  1.599e-07   1.015e-07
50-150  2.718e-08   2.186e-08
15-150  3.297e-07   2.028e-07
Plot creation:
Sun Aug 28 12:38:47 EDT 2016