batgrbproduct analysis for trigger=1075565

batgrbproduct Analysis for Trigger=1075565

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Oct  1 10:51:03 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1075565/batgroup_hand_proc
======================================================================

  Trigger: 01075565      Segment: 000

  BAT Trigger Time: 654662840   [s; MET]
      Trigger Stop: 654662904   [s; MET]
               UTC: 2021-09-30T02:46:52.183340    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 197.435314036749   Dec: 48.6229469478518  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.5
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.5

  Flight Position:   [ source = BAT ]
    RA: 197.435314036749   Dec: 48.6229469478518  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 197.414607591782   Dec: 48.6297429062774  [deg; J2000]  
        { 13h 09m 39.5s , +48d 37' 47.1" }
         +/- 1.56526689105116 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.659913758544728 [arcmin] (formal 1-sigma fit error)
    SNR: 16.037436610934
 
  Angular difference between Flight and Ground position is 0.916841 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 11.8119999170303 +/- 1.94082558518738
        Measured from: 6.52799999713898
                   to: 18.3399999141693     [s; relative to TRIGTIME]
     T50: 5.53999996185303 +/- 1.23482786623791
        Measured from: 8.73199999332428
                   to: 14.2719999551773     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 8.39999997615814     
                   to: 9.39999997615814     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 5.83599996566772     
                   to: 19.2359999418259     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.204113   0.271806   0.161394   0.033417
           0.023288   0.024056   0.020767   0.017774 [error]
 Peak      0.036767   0.024888   0.022519   0.010085
           0.006672   0.006903   0.006052   0.004993 [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 5.93e-08 1.04e-07 1.39e-07 3.82e-07 4.05e-07 6.85e-07   erg/cm2
              Error 1.01e-08 1.09e-08 2.06e-08 1.21e-07 4.87e-08 1.38e-07   erg/cm2
Peak flux Power-law 2.78e-01 2.40e-01 1.42e-01 1.26e-01 7.15e-01 7.86e-01   ph/cm2/s
              Error 1.01e-01 5.35e-02 5.35e-02 9.74e-02 1.59e-01 1.82e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.90e-08 1.05e-07 1.39e-07 3.27e-07 4.03e-07 6.21e-07   erg/cm2
              Error 8.68e-09 1.26e-08 2.06e-08 2.45e-07 5.28e-08 1.78e-07   erg/cm2
Peak flux Cutoff-PL 2.77e-01 2.40e-01 1.43e-01 1.26e-01 7.14e-01 7.86e-01   ph/cm2/s
              Error 9.79e-02 5.34e-02 5.32e-02 1.22e-01 1.59e-01 1.82e-01   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    1.579    0.189    -      -           3.22e-03 3.53e-04   51.620 57
CPL   1.461    0.515     199.6    0.0      3.70e-03 3.41e-03   51.710 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.758    0.482    -      -           5.27e-03 1.47e-03   47.640 57
CPL   2.039    0.485      16.3   -0.0      3.63e-03 4.48e-03   46.870 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: 8.512000 sec.
T50 in the 50-300 keV band: 4.224000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   13.400    5.836   19.236
T90    11.812    6.528   18.340
T50     5.540    8.732   14.272
Peak    1.000    8.400    9.400

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  197.4146 +48.6297 0.0121   19.0 -159.4       0.7159    16.0  TRIG_01075565       
------------------------------------------
 
Foreground time interval of the image:
  5.836  19.236 (delta_t =  13.400 [sec])
Background time interval of the image:
-239.000   5.836 (delta_t = 244.836 [sec])

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    5.836 sec. to   19.236 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.57851     ( -0.186823   0.190553 )
Norm@50keV  : 3.22152E-03    ( -0.000355113   0.000350573 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.62 using 59 PHA bins.
# Reduced chi-squared =         0.9055 for     57 degrees of freedom 
# Null hypothesis probability =   6.765563e-01
 
Photon flux (15-150 keV)    in 13.4 sec: 0.411272 ( -0.0426038  0.0426588 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.04811e-07 ( -4.83661e-08  4.90539e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    5.836 sec. to   19.236 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46137     ( -0.794036   0.236222 )
Epeak [keV] : 199.582      ( -533.244 -533.244 )
Norm@50keV  : 3.70290E-03    ( -0.00165805   0.00516412 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.71 using 59 PHA bins.
# Reduced chi-squared =         0.9235 for     56 degrees of freedom 
# Null hypothesis probability =   6.377121e-01
 
Photon flux (15-150 keV)    in 13.4 sec: 0.410461 ( -0.044638  0.043252 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.03201e-07 ( -5.51959e-08  5.03612e-08 ) ergs/cm2
 
Band function
Time interval is from    5.836 sec. to   19.236 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.09009   ( 1.13193   1.13193 )
beta        : -1.69349    ( 1.68881   0.290273 )
Epeak [keV] : 71.7044      ( -74.6493 -74.6493 )
Norm@50keV   : 6.26811E-03    ( -0.00278947   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.42 using 59 PHA bins.
# Reduced chi-squared =         0.9350 for     55 degrees of freedom 
# Null hypothesis probability =   6.120383e-01
 
Photon flux (15-150 keV)    in 13.4 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]    : 13.0737  (-1.69769  2.06033)
R^2/D10^2   : 7.33110E-02  (-0.0297917   0.0476327)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.08 using 59 PHA bins.
# Reduced chi-squared =          1.317 for     57 degrees of freedom 
# Null hypothesis probability =   5.456242e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.561e-08   7.149e-09
25- 50  1.234e-07   1.820e-08
50-150  1.338e-07   2.991e-08
15-150  2.928e-07   4.000e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 197.096       (-86.0946      -195.74)
Norm        : 1.67001       (-0.174155     0.203159)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.581e-08   3.091e-08
25- 50  1.072e-07   5.283e-08
50-150  2.342e-07   1.248e-07
15-150  3.973e-07   2.124e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.27538        (-2.19952      2.11347)
R1^2/D10^2  : 0.281068        (-0.146444      0.469273)
kT2 [keV]   : 36.2101        (-14.0742      99.8666)
R2^2/D10^2  : 1.60121E-03    (-0.00150885   0.00712662)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.167e-08   1.860e-08
25- 50  1.143e-07   4.319e-08
50-150  2.423e-07   1.278e-07
15-150  4.083e-07   1.786e-07

Peak spectrum fit

Power-law model
Time interval is from    8.400 sec. to    9.400 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.75819     ( -0.447097   0.517679 )
Norm@50keV  : 5.26864E-03    ( -0.00154216   0.00139155 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.64 using 59 PHA bins.
# Reduced chi-squared =         0.8358 for     57 degrees of freedom 
# Null hypothesis probability =   8.069114e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.714570 ( -0.159147  0.159161 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.85925e-08 ( -1.37875e-08  1.42054e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    8.400 sec. to    9.400 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.03938     ( -0.449046   0.521258 )
Epeak [keV] : 16.3460      ( -9999.35 -9999.36 )
Norm@50keV  : 3.62596E-03    ( -0.00149189   0.00746792 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
# Reduced chi-squared =         0.8369 for     56 degrees of freedom 
# Null hypothesis probability =   8.026701e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.714183 ( -0.158841  0.15914 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.83342e-08 ( -1.35462e-08  1.40579e-08 ) ergs/cm2
 
Band function
Time interval is from    8.400 sec. to    9.400 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -6.30152   ( 5.67684   6.30152 )
beta        : -1.75830    ( -0.517616   0.447669 )
Epeak [keV] : 121.944      ( -121.944 -121.944 )
Norm@50keV   : 0.716053    ( -0.209577   0.189156 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.64 using 59 PHA bins.
# Reduced chi-squared =         0.8662 for     55 degrees of freedom 
# Null hypothesis probability =   7.490568e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 XSPEC: quit
 
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.4294  (-5.47094  8.02145)
R^2/D10^2   : 0.107907  (-0.0829754   0.584942)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.123e-09   2.205e-09
25- 50  1.470e-08   7.120e-09
50-150  1.707e-08   9.474e-09
15-150  3.589e-08   1.817e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 163.041       (-107.766      -161.426)
Norm        : 2.88234       (-0.674418     1.14034)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.346e-09   4.163e-09
25- 50  1.378e-08   7.730e-09
50-150  2.812e-08   1.672e-08
15-150  4.924e-08   2.881e-08
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.22685        (-1.45574      2.73062)
R1^2/D10^2  : 29.2843        (-27.7122      1665.46)
kT2 [keV]   : 23.3481        (-8.18462      18.1863)
R2^2/D10^2  : 1.44485E-02    (-0.0120789   0.0412404)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.907e-09   5.590e-09
25- 50  9.337e-09   5.169e-09
50-150  3.155e-08   1.987e-08
15-150  5.080e-08   2.876e-08
Plot creation:
Fri Oct  1 11:02:54 EDT 2021