batgrbproduct Analysis for Trigger=635306

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Mar 19 06:00:25 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger635306/GCN5_download_cron
======================================================================

  Trigger: 00635306      Segment: 000

  BAT Trigger Time: 448368880   [s; MET]
      Trigger Stop: 448368944   [s; MET]
               UTC: 2015-03-18T10:54:26.674440    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 183.006498806264   Dec: 12.0365853714023  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.82
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.82

  Flight Position:   [ source = BAT ]
    RA: 183.006498806264   Dec: 12.0365853714023  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 182.87041249883   Dec: 12.1490034347274  [deg; J2000]  
        { 12h 11m 28.9s , +12d 08' 56.4" }
         +/- 4.92899314805759 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.19930966979071 [arcmin] (formal 1-sigma fit error)
    SNR: 3.11504114884492
 
  Angular difference between Flight and Ground position is 10.451805 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 0.143999993801117 +/- 0.0505964320074677
        Measured from: 557.096000134945
                   to: 557.240000128746     [s; relative to TRIGTIME]
     T50: 0.0800000429153442 +/- 0.0678822621206897
        Measured from: 557.112000107765
                   to: 557.192000150681     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 556.684000015259     
                   to: 557.684000015259     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 557.096000015736     
                   to: 557.255999982357     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.004560   0.005044   0.005443   0.002749
           0.002048   0.002013   0.001863   0.001500 [error]
 Peak     -0.003429   0.003642   0.001387   0.003687
           0.005219   0.005247   0.004559   0.003752 [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 3.42e-08 3.08e-08 1.91e-08 1.81e-08 9.17e-08 1.01e-07   erg/cm2
              Error 1.63e-08 1.74e-08 2.10e-08 3.63e-08 5.36e-08 8.08e-08   erg/cm2
Peak flux Power-law 1.77e-02 8.89e-03 2.76e-03 1.09e-03 2.99e-02 3.04e-02   ph/cm2/s
              Error 8.51e-03 4.90e-03 2.97e-03 2.02e-03 1.41e-02 1.46e-02   ph/cm2/s
 
Fluence   Cutoff-PL 4.14e-08 4.45e-08 3.54e-10 6.03e-17 8.64e-08 8.63e-08   erg/cm2
              Error 1.90e-08 2.71e-08 4.70e-09 2.67e-11 3.41e-08 3.41e-08   erg/cm2
Peak flux Cutoff-PL 2.00e-02 1.41e-02 6.28e-05 5.28e-12 3.42e-02 3.42e-02   ph/cm2/s
              Error 9.60e-03 7.89e-03 7.82e-04 2.41e-06 1.25e-02 1.25e-02   ph/cm2/s
 
Fluence        Band 4.13e-08 4.68e-08 2.34e-09 1.44e-11 9.10e-08 9.08e-08   erg/cm2
              Error 1.81e-08 2.43e-08 -------- -------- -------- --------   erg/cm2
Peak flux      Band 2.05e-02 1.43e-02 4.05e-04 1.24e-06 3.53e-02 3.53e-02   ph/cm2/s
              Error 9.21e-03 7.16e-03 -------- -------- 1.29e-02 1.29e-02   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 69.85 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    0.160  557.096  557.256
T90     0.144  557.096  557.240
T50     0.080  557.112  557.192
Peak    1.000  556.684  557.684

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  182.8704 +12.1490 0.0617   10.5   82.6       0.2598     3.1  TRIG_00635306       
------------------------------------------
 
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  557.096 sec. to  557.256 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  557.096 sec. to  557.256 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  557.096 sec. to  557.256 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  556.684 sec. to  557.684 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  556.684 sec. to  557.684 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  556.684 sec. to  557.684 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:
Thu Mar 19 06:02:50 EDT 2015