batgrbproduct Analysis for Trigger=613516

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Sep 24 13:15:27 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger613516/GCN5_download_cron
======================================================================

  Trigger: 00613516      Segment: 000

  BAT Trigger Time: 433215368   [s; MET]
      Trigger Stop: 433215432   [s; MET]
               UTC: 2014-09-24T01:35:55.433640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 135.339726082301   Dec: -40.3968714646127  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.39
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.39

  Flight Position:   [ source = BAT ]
    RA: 135.339726082301   Dec: -40.3968714646127  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 135.420866916272   Dec: -40.471509257015  [deg; J2000]  
        { 09h 01m 41.0s , -40d 28' 17.4" }
         +/- 2.18063884512693 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.06283758596005 [arcmin] (formal 1-sigma fit error)
    SNR: 9.98682217384748
 
  Angular difference between Flight and Ground position is 5.812620 arcmin
 
  Partial Coding Fraction: 0.78125    [ including projection effects ]

  Duration
     T90: 53 +/- 14.8660687473185
        Measured from: 279.000000119209
                   to: 332.000000119209     [s; relative to TRIGTIME]
     T50: 29 +/- 18.6010752377383
        Measured from: 291.000000119209
                   to: 320.000000119209     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 291     
                   to: 292     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 274     
                   to: 339     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.494846   0.382644   0.049913   0.036158
           0.043988   0.044523   0.038276   0.034792 [error]
 Peak      0.008426   0.007888   0.006421   0.006983
           0.005556   0.005472   0.004743   0.004461 [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 1.34e-07 1.28e-07 8.48e-08 8.73e-08 3.83e-07 4.34e-07   erg/cm2
              Error 2.16e-08 2.29e-08 2.83e-08 5.20e-08 7.27e-08 1.02e-07   erg/cm2
Peak flux Power-law 6.93e-02 3.69e-02 1.22e-02 5.22e-03 1.21e-01 1.24e-01   ph/cm2/s
              Error 1.13e-02 6.37e-03 3.96e-03 2.93e-03 1.80e-02 1.87e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.39e-07 1.63e-07 7.67e-09 8.73e-13 3.10e-07 3.10e-07   erg/cm2
              Error 2.55e-08 3.72e-08 1.60e-08 1.36e-10 5.17e-08 5.17e-08   erg/cm2
Peak flux Cutoff-PL 6.86e-02 4.96e-02 1.34e-03 8.04e-08 1.20e-01 1.20e-01   ph/cm2/s
              Error 1.31e-02 1.01e-02 2.62e-03 1.22e-05 1.71e-02 1.71e-02   ph/cm2/s
 
Fluence        Band -------- -------- 2.05e-08 1.78e-10 3.27e-07 3.28e-07   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 57.76 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   65.000  274.000  339.000
T90    53.000  279.000  332.000
T50    29.000  291.000  320.000
Peak    1.000  291.000  292.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  135.4209 -40.4715 0.0193   22.3  -54.7       0.9200    10.0  TRIG_00613516       
------------------------------------------
 
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  274.000 sec. to  339.000 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/raid2/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  274.000 sec. to  339.000 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/raid2/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  274.000 sec. to  339.000 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/raid2/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  291.000 sec. to  292.000 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/raid2/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  291.000 sec. to  292.000 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/raid2/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  291.000 sec. to  292.000 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/raid2/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:
Wed Sep 24 13:17:55 EDT 2014