batgrbproduct analysis for trigger=784154

batgrbproduct Analysis for Trigger=784154

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Oct 30 16:54:13 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger784154/GCN5_download_cron
======================================================================

  Trigger: 00784154      Segment: 000

  BAT Trigger Time: 530996808   [s; MET]
      Trigger Stop: 530996872   [s; MET]
               UTC: 2017-10-29T19:06:28.082240    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 83.9423460045622   Dec: 22.1976241360044  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    16.62
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    16.62

  Flight Position:   [ source = BAT ]
    RA: 83.9423460045622   Dec: 22.1976241360044  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 83.9327224565244   Dec: 22.1976878851795  [deg; J2000]  
        { 05h 35m 43.9s , +22d 11' 51.7" }
         +/- 1.3675296873934 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.517171378854543 [arcmin] (formal 1-sigma fit error)
    SNR: 19.4501522013696
 
  Angular difference between Flight and Ground position is 0.534632 arcmin
 
  Partial Coding Fraction: 0.5625    [ 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     0.992524   0.905450   0.578158   0.101792
           0.066049   0.068365   0.059079   0.052552 [error]
 Peak      0.992524   0.905450   0.578158   0.101792
           0.066049   0.068365   0.059079   0.052552 [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 3.24e-07 4.28e-07 4.15e-07 7.18e-07 1.40e-06 1.89e-06   erg/cm2
              Error 3.94e-08 3.40e-08 5.88e-08 2.06e-07 1.31e-07 2.65e-07   erg/cm2
Peak flux Power-law 1.65e-01 1.21e-01 5.85e-02 4.01e-02 3.64e-01 3.85e-01   ph/cm2/s
              Error 2.05e-02 9.55e-03 7.98e-03 1.07e-02 2.93e-02 3.04e-02   ph/cm2/s
 
Fluence   Cutoff-PL 3.26e-07 4.29e-07 4.16e-07 7.09e-07 1.40e-06 1.83e-06   erg/cm2
              Error 3.89e-08 3.40e-08 5.86e-08 2.28e-07 1.30e-07 3.33e-07   erg/cm2
Peak flux Cutoff-PL 1.65e-01 1.21e-01 5.85e-02 3.98e-02 3.63e-01 3.84e-01   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   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    2.046    0.163    -      -           2.37e-03 2.39e-04   47.890 57
CPL   2.155    0.266      73.8    0.0      2.06e-03 0.00e+00   47.440 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.046    0.163    -      -           2.37e-03 2.39e-04   47.890 57
CPL   2.155    0.266      73.8    0.0      2.06e-03 0.00e+00   47.440 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
   83.9327 +22.1977 0.0099   36.8  174.0       2.5452    19.5  TRIG_00784154       
------------------------------------------
 
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: 2.04560     ( -0.159297   0.166091 )
Norm@50keV  : 2.37303E-03    ( -0.000241464   0.000235715 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.89 using 59 PHA bins.
# Reduced chi-squared =         0.8401 for     57 degrees of freedom 
# Null hypothesis probability =   7.997170e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.363626 ( -0.0292618  0.0293196 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.40457e-06 ( -1.30604e-07  1.3237e-07 ) 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: 2.15496     ( -0.414566   0.117673 )
Epeak [keV] : 73.7763      (   )
Norm@50keV  : 2.06055E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.44 using 59 PHA bins.
# Reduced chi-squared =         0.8471 for     56 degrees of freedom 
# Null hypothesis probability =   7.854076e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.363480 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39718e-06 ( -1.23782e-07  1.35264e-07 ) 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       : -1.49001   ( 1.49042   1.49042 )
beta        : -2.06923    ( -0.237529   0.176921 )
Epeak [keV] : 23.2445      ( -23.0955 -23.0955 )
Norm@50keV   : 6.13086E-03    ( -0.00373246   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.80 using 59 PHA bins.
# Reduced chi-squared =         0.8690 for     55 degrees of freedom 
# Null hypothesis probability =   7.437942e-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]    : 9.23367  (-1.07605  1.26562)
R^2/D10^2   : 0.215062  (-0.0841327   0.135959)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         106.14 using 59 PHA bins.
# Reduced chi-squared =         1.8621 for     57 degrees of freedom 
# Null hypothesis probability =   8.477918e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.314e-07   3.654e-08
25- 50  5.117e-07   5.408e-08
50-150  2.110e-07   4.797e-08
15-150  9.541e-07   9.792e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 67.5024       (-16.2949      24.7484)
Norm        : 1.77343       (-0.242841     0.278305)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.27 using 59 PHA bins.
# Reduced chi-squared =         0.9696 for     57 degrees of freedom 
# Null hypothesis probability =   5.402692e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.900e-07   3.162e-08
25- 50  4.568e-07   4.000e-08
50-150  5.709e-07   1.113e-07
15-150  1.318e-06   1.427e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.48584        (-0.832224      0.932067)
R1^2/D10^2  : 1.37231        (-0.638483      1.35383)
kT2 [keV]   : 24.2127        (-5.33154      9.21956)
R2^2/D10^2  : 4.21397E-03    (-0.00279344   0.00633003)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.94 using 59 PHA bins.
# Reduced chi-squared =         0.8170 for     55 degrees of freedom 
# Null hypothesis probability =   8.316114e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.331e-07   9.072e-08
25- 50  4.047e-07   8.563e-08
50-150  6.956e-07   3.665e-07
15-150  1.433e-06   3.984e-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: 2.04560     ( -0.159297   0.166091 )
Norm@50keV  : 2.37303E-03    ( -0.000241464   0.000235715 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.89 using 59 PHA bins.
# Reduced chi-squared =         0.8401 for     57 degrees of freedom 
# Null hypothesis probability =   7.997170e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.363626 ( -0.0292618  0.0293196 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.40457e-06 ( -1.30604e-07  1.3237e-07 ) 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: 2.15496     ( -0.414566   0.117714 )
Epeak [keV] : 73.7763      (   )
Norm@50keV  : 2.06055E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.44 using 59 PHA bins.
# Reduced chi-squared =         0.8471 for     56 degrees of freedom 
# Null hypothesis probability =   7.854076e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.363480 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39718e-06 ( -1.23782e-07  1.35264e-07 ) 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       : -1.49001   ( 1.49042   1.49042 )
beta        : -2.06923    ( -0.237529   0.176921 )
Epeak [keV] : 23.2445      ( -23.0955 -23.0955 )
Norm@50keV   : 6.13086E-03    ( -0.00373246   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.80 using 59 PHA bins.
# Reduced chi-squared =         0.8690 for     55 degrees of freedom 
# Null hypothesis probability =   7.437942e-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]    : 9.23367  (-1.07605  1.26562)
R^2/D10^2   : 0.215062  (-0.0841327   0.135959)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         106.14 using 59 PHA bins.
# Reduced chi-squared =         1.8621 for     57 degrees of freedom 
# Null hypothesis probability =   8.477918e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.314e-07   3.139e-08
25- 50  5.117e-07   4.854e-08
50-150  2.110e-07   4.986e-08
15-150  9.541e-07   1.014e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 67.5024       (-16.2949      24.7484)
Norm        : 1.77343       (-0.242841     0.278305)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.27 using 59 PHA bins.
# Reduced chi-squared =         0.9696 for     57 degrees of freedom 
# Null hypothesis probability =   5.402692e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.900e-07   3.034e-08
25- 50  4.568e-07   3.942e-08
50-150  5.709e-07   1.277e-07
15-150  1.318e-06   1.408e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.48584        (-0.832224      0.932067)
R1^2/D10^2  : 1.37231        (-0.638483      1.35383)
kT2 [keV]   : 24.2127        (-5.33154      9.21956)
R2^2/D10^2  : 4.21397E-03    (-0.00279344   0.00633003)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.94 using 59 PHA bins.
# Reduced chi-squared =         0.8170 for     55 degrees of freedom 
# Null hypothesis probability =   8.316114e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.331e-07   9.098e-08
25- 50  4.047e-07   8.749e-08
50-150  6.956e-07   3.499e-07
15-150  1.433e-06   4.368e-07
Plot creation:
Mon Oct 30 16:58:11 EDT 2017