batgrbproduct Analysis for Trigger=589512

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Mar  1 11:24:36 EST 2014
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger589512/GCN5_download_cron
======================================================================

  Trigger: 00589512      Segment: 000

  BAT Trigger Time: 415330048   [s; MET]
      Trigger Stop: 415330856   [s; MET]
               UTC: 2014-03-01T01:27:16.296720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 266.125356880414   Dec: -28.73344512533  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    23.78
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    23.78

  Flight Position:   [ source = BAT ]
    RA: 266.125356880414   Dec: -28.73344512533  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.141684967932   Dec: -28.7347209472175  [deg; J2000]  
        { 17h 44m 34.0s , -28d 44' 05.0" }
         +/- 1.16177975735648 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.329612509548143 [arcmin] (formal 1-sigma fit error)
    SNR: 24.5518585108613
 
  Angular difference between Flight and Ground position is 0.862451 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 48.6639999747276 +/- 39.9641800196492
        Measured from: 864.640000104904
                   to: 913.304000079632     [s; relative to TRIGTIME]
     T50: 4.66399991512299 +/- 2.95131700460333
        Measured from: 865.652000129223
                   to: 870.316000044346     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 866.867999970913     
                   to: 867.867999970913     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 863.536000013351     
                   to: 953.259999990463     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.991985   0.902087  -0.022237   0.043627
           0.085685   0.076499   0.064106   0.060657 [error]
 Peak      0.214458   0.080570   0.001566   0.001856
           0.012825   0.009899   0.007560   0.006934 [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 9.64e-07 5.05e-07 1.64e-07 6.89e-08 1.67e-06 1.70e-06   erg/cm2
              Error 7.69e-08 4.50e-08 3.35e-08 2.49e-08 1.12e-07 1.17e-07   erg/cm2
Peak flux Power-law 1.35e-01 4.01e-02 6.52e-03 1.22e-03 1.82e-01 1.82e-01   ph/cm2/s
              Error 1.11e-02 3.39e-03 1.29e-03 4.19e-04 1.22e-02 1.22e-02   ph/cm2/s
 
Fluence   Cutoff-PL 9.29e-07 5.02e-07 3.11e-08 6.68e-11 1.46e-06 1.46e-06   erg/cm2
              Error 8.44e-08 5.59e-08 2.83e-08 6.57e-10 1.13e-07 1.13e-07   erg/cm2
Peak flux Cutoff-PL 1.27e-01 4.13e-02 1.40e-03 1.60e-06 1.70e-01 1.70e-01   ph/cm2/s
              Error 1.23e-02 4.10e-03 1.20e-03 1.52e-05 1.32e-02 1.32e-02   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   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 50.84 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   89.724  863.536  953.260
T90    48.664  864.640  913.304
T50     4.664  865.652  870.316
Peak    1.000  866.868  867.868

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  266.1417 -28.7347 0.0079    0.4  132.5       4.6504    24.6  TRIG_00589512       
------------------------------------------
 
Foreground time interval of the image:
  0.000 117.390 (delta_t = 117.390 [sec])
118.000 242.000 (delta_t = 124.000 [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  863.536 sec. to  953.260 sec.
Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Cutoff power-law model
Time interval is from  863.536 sec. to  953.260 sec.
Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file)            
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Band function
Time interval is from  863.536 sec. to  953.260 sec.
Usage: bat_spec_fit_band_sys.sh (pha file) (response file)      
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
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  866.868 sec. to  867.868 sec.
Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file)           
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Cutoff power-law model
Time interval is from  866.868 sec. to  867.868 sec.
Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file)            
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
Band function
Time interval is from  866.868 sec. to  867.868 sec.
Usage: bat_spec_fit_band_sys.sh (pha file) (response file)      
       This script tries to add the systematic column to the PHA
       file before doing the fitting                            
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:
Sat Mar  1 11:49:40 EST 2014