batgrbproduct analysis for trigger=784149

batgrbproduct Analysis for Trigger=784149

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Oct 30 17:00:18 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger784149/GCN5_download_cron
======================================================================

  Trigger: 00784149      Segment: 000

  BAT Trigger Time: 530995520   [s; MET]
      Trigger Stop: 530995584   [s; MET]
               UTC: 2017-10-29T18:45:00.082320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 245.179330429619   Dec: -15.8644393314112  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.33
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.33

  Flight Position:   [ source = BAT ]
    RA: 245.179330429619   Dec: -15.8644393314112  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 245.168809657622   Dec: -15.8479867887587  [deg; J2000]  
        { 16h 20m 40.5s , -15d 50' 52.8" }
         +/- 2.6735709885759 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.22724008247609 [arcmin] (formal 1-sigma fit error)
    SNR: 7.46427018912435
 
  Angular difference between Flight and Ground position is 1.158963 arcmin
 
  Partial Coding Fraction: 0.734375    [ 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     2.295634   0.154887   0.021003   0.036264
           0.069356   0.070983   0.061695   0.067239 [error]
 Peak      2.295634   0.154887   0.021003   0.036264
           0.069356   0.070983   0.061695   0.067239 [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 7.15e-07 1.15e-07 8.63e-09 6.93e-10 8.39e-07 8.39e-07   erg/cm2
              Error 7.66e-08 2.90e-08 5.20e-09 7.34e-10 8.45e-08 8.46e-08   erg/cm2
Peak flux Power-law 3.92e-01 3.69e-02 1.38e-03 5.37e-05 4.31e-01 4.31e-01   ph/cm2/s
              Error 4.33e-02 8.82e-03 8.11e-04 5.50e-05 4.42e-02 4.42e-02   ph/cm2/s
 
Fluence   Cutoff-PL 7.34e-07 6.77e-08 4.85e-11 5.93e-18 8.02e-07 8.02e-07   erg/cm2
              Error 8.18e-08 3.62e-08 1.27e-09 4.98e-12 8.45e-08 8.43e-08   erg/cm2
Peak flux Cutoff-PL 3.99e-01 2.33e-02 8.91e-06 5.64e-13 4.22e-01 4.22e-01   ph/cm2/s
              Error 4.65e-02 1.12e-02 2.18e-04 4.61e-07 4.67e-02 4.67e-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    5.737    0.494    -      -           1.36e-04 6.62e-05   63.280 57
CPL   1.000    0.000      50.0    0.0      3.12e-03 0.00e+00  262.990 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    5.737    0.494    -      -           1.36e-04 6.62e-05   63.280 57
CPL   1.000    0.000      50.0    0.0      3.12e-03 0.00e+00  262.990 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
  245.1688 -15.8480 0.0257   21.6 -119.6       2.3629     7.5  TRIG_00784149       
------------------------------------------
 
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: 5.73707     ( -0.482588   0.505598 )
Norm@50keV  : 1.36041E-04    ( -5.39504e-05   7.85377e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.28 using 59 PHA bins.
# Reduced chi-squared =          1.110 for     57 degrees of freedom 
# Null hypothesis probability =   2.643732e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.430565 ( -0.0441919  0.0442619 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.39226e-07 ( -8.45158e-08  8.45587e-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: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 3.12301E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         262.99 using 59 PHA bins.
# Reduced chi-squared =         4.6963 for     56 degrees of freedom 
# Null hypothesis probability =   1.459196e-28
 
Photon flux (15-150 keV)    in 64 sec: 0.422236 ( -0.047067  0.046332 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.0183e-07 ( -8.50368e-08  8.40256e-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       : -8.67841   ( 5.69589   8.67841 )
beta        : -5.79303    ( -0.463248   0.530604 )
Epeak [keV] : 427.615      ( -427.615 -427.615 )
Norm@50keV   : 1.74830E-02    ( -0.00667808   0.011403 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.32 using 59 PHA bins.
# Reduced chi-squared =          1.151 for     55 degrees of freedom 
# Null hypothesis probability =   2.063555e-01
 
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]    : 2.62285  (-0.226693  0.258103)
R^2/D10^2   : 148.765  (-74.7497   151.479)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.22 using 59 PHA bins.
# Reduced chi-squared =          1.021 for     57 degrees of freedom 
# Null hypothesis probability =   4.302314e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.348e-07   1.821e-07
25- 50  6.532e-08   2.132e-08
50-150  3.265e-11   2.728e-11
15-150  8.002e-07   1.839e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.73467       (-0.612249      0.752573)
Norm        : 120.601       (-52.6874     97.3613)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.76 using 59 PHA bins.
# Reduced chi-squared =          1.031 for     57 degrees of freedom 
# Null hypothesis probability =   4.108883e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.322e-07   1.497e-07
25- 50  8.157e-08   2.668e-08
50-150  3.188e-10   2.527e-10
15-150  8.140e-07   1.756e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.61868        (-0.228664      0.256238)
R1^2/D10^2  : 150.361        (-75.3589      155.209)
kT2 [keV]   : 199.121        (-199.109      -199.109)
R2^2/D10^2  : 3.49392E-06    (-3.50297e-06   0.00140604)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.86 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     55 degrees of freedom 
# Null hypothesis probability =   3.703090e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.348e-07   1.641e-07
25- 50  6.732e-08   2.215e-08
50-150  5.914e-08   2.954e-11
15-150  8.612e-07   1.787e-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: 5.73707     ( -0.482588   0.505598 )
Norm@50keV  : 1.36041E-04    ( -5.39504e-05   7.85377e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.28 using 59 PHA bins.
# Reduced chi-squared =          1.110 for     57 degrees of freedom 
# Null hypothesis probability =   2.643732e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.430565 ( -0.0441919  0.0442619 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.39226e-07 ( -8.45158e-08  8.45587e-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: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 3.12301E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         262.99 using 59 PHA bins.
# Reduced chi-squared =         4.6963 for     56 degrees of freedom 
# Null hypothesis probability =   1.459196e-28
 
Photon flux (15-150 keV)    in 64 sec: 0.422236 ( -0.047067  0.046332 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.0183e-07 ( -8.50368e-08  8.40256e-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       : -8.67841   ( 5.69589   8.67841 )
beta        : -5.79303    ( -0.463248   0.530604 )
Epeak [keV] : 427.615      ( -427.615 -427.615 )
Norm@50keV   : 1.74830E-02    ( -0.00667808   0.011403 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.32 using 59 PHA bins.
# Reduced chi-squared =          1.151 for     55 degrees of freedom 
# Null hypothesis probability =   2.063555e-01
 
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]    : 2.62285  (-0.226693  0.258103)
R^2/D10^2   : 148.765  (-74.7497   151.479)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.22 using 59 PHA bins.
# Reduced chi-squared =          1.021 for     57 degrees of freedom 
# Null hypothesis probability =   4.302314e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.348e-07   1.987e-07
25- 50  6.532e-08   2.182e-08
50-150  3.265e-11   2.700e-11
15-150  8.002e-07   2.204e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.73467       (-0.612249      0.752573)
Norm        : 120.601       (-52.6874     97.3613)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.76 using 59 PHA bins.
# Reduced chi-squared =          1.031 for     57 degrees of freedom 
# Null hypothesis probability =   4.108883e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.322e-07   1.372e-07
25- 50  8.157e-08   2.373e-08
50-150  3.188e-10   2.524e-10
15-150  8.140e-07   1.851e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.61868        (-0.228664      0.256238)
R1^2/D10^2  : 150.361        (-75.3589      155.209)
kT2 [keV]   : 199.121        (-199.109      -199.109)
R2^2/D10^2  : 3.49392E-06    (-3.50297e-06   0.00207601)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.86 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     55 degrees of freedom 
# Null hypothesis probability =   3.703090e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.348e-07   1.993e-07
25- 50  6.732e-08   2.190e-08
50-150  5.914e-08   2.742e-11
15-150  8.612e-07   1.859e-07
Plot creation:
Mon Oct 30 17:04:27 EDT 2017