batgrbproduct analysis for trigger=1186390

batgrbproduct Analysis for Trigger=1186390

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Tue Aug 22 16:25:07 EDT 2023
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1186390/GCN5_download_cron
======================================================================

  Trigger: 01186390      Segment: 000

  BAT Trigger Time: 714323552   [s; MET]
      Trigger Stop: 714323616   [s; MET]
               UTC: 2023-08-21T15:12:00.133500    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 299.932949608195   Dec: 35.5048846849232  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.56
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    14.56

  Flight Position:   [ source = BAT ]
    RA: 299.932949608195   Dec: 35.5048846849232  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 299.933020263214   Dec: 35.5150536021932  [deg; J2000]  
        { 19h 59m 43.9s , +35d 30' 54.2" }
         +/- 1.53270398755317 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.441377118671643 [arcmin] (formal 1-sigma fit error)
    SNR: 16.5263889455107
 
  Angular difference between Flight and Ground position is 0.610145 arcmin
 
  Partial Coding Fraction: 1    [ 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     0.709043   0.828339   0.466862   0.104573
           0.048725   0.049383   0.042260   0.036140 [error]
 Peak      0.709043   0.828339   0.466862   0.104573
           0.048725   0.049383   0.042260   0.036140 [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 2.06e-07 3.18e-07 3.71e-07 8.30e-07 1.14e-06 1.73e-06   erg/cm2
              Error 2.22e-08 2.23e-08 4.00e-08 1.83e-07 9.32e-08 2.21e-07   erg/cm2
Peak flux Power-law 1.04e-01 8.88e-02 5.17e-02 4.49e-02 2.64e-01 2.90e-01   ph/cm2/s
              Error 1.15e-02 6.27e-03 5.38e-03 9.20e-03 1.87e-02 2.04e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.92e-07 3.40e-07 3.70e-07 3.32e-07 1.08e-06 1.23e-06   erg/cm2
              Error 2.55e-08 2.95e-08 4.39e-08 2.93e-07 1.08e-07 3.13e-07   erg/cm2
Peak flux Cutoff-PL 9.66e-02 9.43e-02 5.22e-02 2.18e-02 2.57e-01 2.65e-01   ph/cm2/s
              Error 1.33e-02 8.05e-03 5.87e-03 1.50e-02 1.97e-02 2.49e-02   ph/cm2/s
 
Fluence        Band 1.90e-07 3.40e-07 3.66e-07 4.64e-07 1.08e-06 1.36e-06   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 9.63e-02 9.46e-02 5.19e-02 2.73e-02 2.57e-01 2.70e-01   ph/cm2/s
              Error -------- -------- -------- -------- 1.96e-02 --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.781    0.127    -      -           1.93e-03 1.53e-04   58.150 57
CPL   1.203    0.556      61.7   65.6      4.01e-03 3.14e-03   54.480 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.781    0.127    -      -           1.93e-03 1.53e-04   58.150 57
CPL   1.203    0.556      61.7   65.6      4.01e-03 3.14e-03   54.480 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
  299.9330 +35.5151 0.0116    0.2    5.2       2.0776    16.5  TRIG_01186390       
------------------------------------------
 
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: 1.78131     ( -0.125952   0.128807 )
Norm@50keV  : 1.93171E-03    ( -0.000153771   0.000152034 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.15 using 59 PHA bins.
# Reduced chi-squared =          1.020 for     57 degrees of freedom 
# Null hypothesis probability =   4.328575e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.264281 ( -0.0186604  0.0186727 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.13898e-06 ( -9.26944e-08  9.37651e-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: 1.20336     ( -0.592888   0.518409 )
Epeak [keV] : 61.6592      ( -13.4133 117.876 )
Norm@50keV  : 4.00687E-03    ( -0.00189068   0.00439502 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.48 using 59 PHA bins.
# Reduced chi-squared =         0.9728 for     56 degrees of freedom 
# Null hypothesis probability =   5.326244e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.257198 ( -0.019683  0.019661 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07526e-06 ( -1.06394e-07  1.08787e-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       : -0.893004   ( -0.551006   3.08442 )
beta        : -2.07161    ( 2.06813   0.293012 )
Epeak [keV] : 48.2768      ( -23.3783 115.121 )
Norm@50keV   : 6.48491E-03    ( -0.00676374   2.92422 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.37 using 59 PHA bins.
# Reduced chi-squared =         0.9886 for     55 degrees of freedom 
# Null hypothesis probability =   4.985598e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.257164 ( 6.74284  -0.019646 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07661e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 11.6912  (-0.967984  1.06876)
R^2/D10^2   : 6.93248E-02  (-0.0192682   0.0263224)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          90.38 using 59 PHA bins.
# Reduced chi-squared =          1.586 for     57 degrees of freedom 
# Null hypothesis probability =   3.211083e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.279e-07   1.597e-08
25- 50  3.903e-07   3.286e-08
50-150  3.151e-07   5.357e-08
15-150  8.333e-07   7.072e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 100.120       (-22.7371      39.0872)
Norm        : 1.16739       (-0.113919     0.123811)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.953e-07   2.256e-08
25- 50  3.378e-07   2.707e-08
50-150  5.477e-07   1.901e-07
15-150  1.081e-06   2.029e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.51872        (-1.69605      1.734)
R1^2/D10^2  : 0.383082        (-0.198333      0.545459)
kT2 [keV]   : 20.7753        (-4.6567      9.45535)
R2^2/D10^2  : 5.93179E-03    (-0.00450721   0.0110854)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.856e-07   5.853e-08
25- 50  3.423e-07   1.049e-07
50-150  5.336e-07   2.699e-07
15-150  1.062e-06   3.830e-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: 1.78131     ( -0.125952   0.128807 )
Norm@50keV  : 1.93171E-03    ( -0.000153771   0.000152034 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.15 using 59 PHA bins.
# Reduced chi-squared =          1.020 for     57 degrees of freedom 
# Null hypothesis probability =   4.328575e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.264281 ( -0.0186604  0.0186727 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.13898e-06 ( -9.26944e-08  9.37651e-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: 1.20336     ( -0.592888   0.518409 )
Epeak [keV] : 61.6592      ( -13.4133 117.876 )
Norm@50keV  : 4.00687E-03    ( -0.00189068   0.00439502 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.48 using 59 PHA bins.
# Reduced chi-squared =         0.9728 for     56 degrees of freedom 
# Null hypothesis probability =   5.326244e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.257198 ( -0.019683  0.019661 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07526e-06 ( -1.06394e-07  1.08787e-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       : -0.893004   ( -0.551006   3.08442 )
beta        : -2.07161    ( 2.06813   0.293012 )
Epeak [keV] : 48.2768      ( -23.3783 115.121 )
Norm@50keV   : 6.48491E-03    ( -0.00676374   2.92422 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.37 using 59 PHA bins.
# Reduced chi-squared =         0.9886 for     55 degrees of freedom 
# Null hypothesis probability =   4.985598e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.257164 ( 6.74284  -0.019646 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07661e-06 ( 0  0 ) ergs/cm2
 
Single BB
 XSPEC: quit
 
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 11.6912  (-0.967984  1.06876)
R^2/D10^2   : 6.93248E-02  (-0.0192682   0.0263224)
(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  1.279e-07   1.722e-08
25- 50  3.903e-07   3.328e-08
50-150  3.151e-07   5.270e-08
15-150  8.333e-07   6.976e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 100.120       (-22.7371      39.0872)
Norm        : 1.16739       (-0.113919     0.123811)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.953e-07   2.272e-08
25- 50  3.378e-07   2.752e-08
50-150  5.477e-07   1.871e-07
15-150  1.081e-06   2.016e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.51872        (-1.69605      1.734)
R1^2/D10^2  : 0.383082        (-0.198333      0.545103)
kT2 [keV]   : 20.7753        (-4.6567      9.45535)
R2^2/D10^2  : 5.93179E-03    (-0.00450721   0.0110854)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.856e-07   5.728e-08
25- 50  3.423e-07   1.028e-07
50-150  5.336e-07   2.671e-07
15-150  1.062e-06   3.239e-07
Plot creation:
Tue Aug 22 16:27:02 EDT 2023