batgrbproduct analysis for trigger=1000665

batgrbproduct Analysis for Trigger=1000665

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sun Oct 18 22:09:05 EDT 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger1000665/GCN5_download_cron
======================================================================

  Trigger: 01000665      Segment: 000

  BAT Trigger Time: 624662040   [s; MET]
      Trigger Stop: 624662168   [s; MET]
               UTC: 2020-10-17T21:13:34.177080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 135.774493177137   Dec: -40.4484659949042  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.1
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.1

  Flight Position:   [ source = BAT ]
    RA: 135.774493177137   Dec: -40.4484659949042  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 135.752177176009   Dec: -40.4441041012538  [deg; J2000]  
        { 09h 03m 00.5s , -40d 26' 38.8" }
         +/- 3.29853576169794 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.8378064230538 [arcmin] (formal 1-sigma fit error)
    SNR: 5.52916470705533
 
  Angular difference between Flight and Ground position is 1.052041 arcmin
 
  Partial Coding Fraction: 0.3398438    [ including projection effects ]

  Duration
     T90: 54.4239999055862 +/- 5.6922361889456
        Measured from: 186.616000175476
                   to: 241.040000081062     [s; relative to TRIGTIME]
     T50: 29.3639999628067 +/- 3.23835517094059
        Measured from: 200.872000098228
                   to: 230.236000061035     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 224.879999995232     
                   to: 225.879999995232     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 181.003999948502     
                   to: 244.052000045776     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.975305   1.218399   0.076599  -0.009316
           0.061346   0.059245   0.048682   0.044727 [error]
 Peak      0.044677   0.021624   0.011139   0.015119
           0.007850   0.007622   0.006260   0.005659 [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 5.05e-07 3.25e-07 1.36e-07 7.75e-08 1.01e-06 1.05e-06   erg/cm2
              Error 8.84e-08 8.15e-08 6.85e-08 6.94e-08 2.10e-07 2.41e-07   erg/cm2
Peak flux Power-law 1.33e-01 4.86e-02 1.01e-02 2.52e-03 1.94e-01 1.94e-01   ph/cm2/s
              Error 2.37e-02 1.16e-02 4.96e-03 2.12e-03 3.28e-02 3.31e-02   ph/cm2/s
 
Fluence   Cutoff-PL 5.26e-07 3.76e-07 1.87e-08 9.54e-12 9.21e-07 9.21e-07   erg/cm2
              Error 9.96e-08 1.19e-07 3.88e-08 9.32e-10 1.68e-07 1.68e-07   erg/cm2
Peak flux Cutoff-PL 1.34e-01 5.87e-02 1.63e-03 4.44e-07 1.95e-01 1.95e-01   ph/cm2/s
              Error 2.65e-02 1.68e-02 3.16e-03 4.09e-05 3.12e-02 3.12e-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    0.000    0.000    -      -           0.00e+00 0.00e+00    0.000  0
CPL   0.000    0.000       0.0    0.0      0.00e+00 0.00e+00    0.000  0
 
The chi2 of BB fit is 49.41 which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.000    0.000    -      -           0.00e+00 0.00e+00    0.000  0
CPL   0.000    0.000       0.0    0.0      0.00e+00 0.00e+00    0.000  0
 
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   63.048  181.004  244.052
T90    54.424  186.616  241.040
T50    29.364  200.872  230.236
Peak    1.000  224.880  225.880

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  135.7522 -40.4441 0.0349   45.0    9.6       1.8362     5.5  TRIG_01000665       
------------------------------------------
 
Foreground time interval of the image:
  0.000 124.750 (delta_t = 124.750 [sec])
126.000 128.000 (delta_t =   2.000 [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  181.004 sec. to  244.052 sec.
Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Cutoff power-law model
Time interval is from  181.004 sec. to  244.052 sec.
Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Band function
Time interval is from  181.004 sec. to  244.052 sec.
Usage: bat_spec_fit_band_sys.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Single BB
Usage: bat_spec_fit_bb_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Thermal bremsstrahlung (OTTB)
Usage: bat_spec_fit_brems_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Double BB
Usage: bat_spec_fit_2bb_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            

Peak spectrum fit

Power-law model
Time interval is from  224.880 sec. to  225.880 sec.
Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Cutoff power-law model
Time interval is from  224.880 sec. to  225.880 sec.
Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Band function
Time interval is from  224.880 sec. to  225.880 sec.
Usage: bat_spec_fit_band_sys.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
Single BB
Usage: bat_spec_fit_bb_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Thermal bremsstrahlung (OTTB)
Usage: bat_spec_fit_brems_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Double BB
Usage: bat_spec_fit_2bb_sys.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Plot creation:
Sun Oct 18 22:11:39 EDT 2020