batgrbproduct Analysis for Trigger=629206

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Feb  1 19:41:04 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger629206/GCN5_download_cron
======================================================================

  Trigger: 00629206      Segment: 000

  BAT Trigger Time: 444431672   [s; MET]
      Trigger Stop: 444432872   [s; MET]
               UTC: 2015-01-31T21:14:18.874120    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 271.03275566555   Dec: -34.3120529473439  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    8.24
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.24

  Flight Position:   [ source = BAT ]
    RA: 271.03275566555   Dec: -34.3120529473439  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 271.007626341441   Dec: -34.3706039185975  [deg; J2000]  
        { 18h 04m 01.8s , -34d 22' 14.2" }
         +/- 5.11387044004034 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.95122144438551 [arcmin] (formal 1-sigma fit error)
    SNR: 2.95541707808583
 
  Angular difference between Flight and Ground position is 3.727125 arcmin
 
  Partial Coding Fraction: 0.859375    [ including projection effects ]

  Duration
     T90: 1200 +/- 
        Measured from: 0
                   to: 1200     [s; relative to TRIGTIME]
     T50: 1200 +/- 
        Measured from: 0
                   to: 1200     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1200 second)
        Measured from: 0     
                   to: 1200     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1200     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.549997   0.339655   0.018702   0.105477
           0.105043   0.094137   0.078814   0.069231 [error]
 Peak      0.549997   0.339655   0.018702   0.105477
           0.105043   0.094137   0.078814   0.069231 [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 1.48e-07 1.31e-07 7.91e-08 7.24e-08 3.89e-07 4.30e-07   erg/cm2
              Error 4.65e-08 4.67e-08 5.65e-08 1.10e-07 1.41e-07 1.98e-07   erg/cm2
Peak flux Power-law 1.83e-02 9.05e-03 2.74e-03 1.05e-03 3.07e-02 3.12e-02   ph/cm2/s
              Error 5.87e-03 3.10e-03 1.89e-03 1.49e-03 8.52e-03 8.75e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.45e-07 1.57e-07 2.23e-08 1.29e-10 3.25e-07 3.25e-07   erg/cm2
              Error 5.29e-08 6.42e-08 5.65e-08 6.90e-08 1.00e-07 1.57e-07   erg/cm2
Peak flux Cutoff-PL 1.74e-02 1.12e-02 8.85e-04 2.90e-06 2.95e-02 2.95e-02   ph/cm2/s
              Error 6.71e-03 4.34e-03 1.94e-03 9.66e-04 8.16e-03 8.15e-03   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    2.724    0.676    -      -           1.35e-04 7.20e-05   56.910 57
CPL   1.000    0.000      50.0    0.0      5.92e-04 0.00e+00   63.930 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.724    0.676    -      -           1.35e-04 7.20e-05   56.910 57
CPL   1.000    0.000      50.0    0.0      5.92e-04 0.00e+00   63.930 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 1200.000    0.000 1200.000
T90  1200.000    0.000 1200.000
T50  1200.000    0.000 1200.000
Peak 1200.000    0.000 1200.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  271.0076 -34.3706 0.0648   18.2 -122.8       0.7879     3.0  TRIG_00629206       
------------------------------------------
 
Foreground time interval of the image:
231.000 483.054 (delta_t = 252.054 [sec])
489.000 489.200 (delta_t =   0.200 [sec])
541.000 546.813 (delta_t =   5.813 [sec])
601.000 605.531 (delta_t =   4.531 [sec])
661.000 665.974 (delta_t =   4.974 [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
Multiple GTIs in the spectrum
tstart tstop
231.000000 483.054300
489.000000 489.200000
541.000000 546.812700
601.000000 605.531100
661.000000 665.973900
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.72429     ( -0.591466   0.760772 )
Norm@50keV  : 1.35474E-04    ( -6.93292e-05   7.46728e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.91 using 59 PHA bins.
# Reduced chi-squared =         0.9984 for     57 degrees of freedom 
# Null hypothesis probability =   4.785370e-01
 
Photon flux (15-150 keV)    in 267.6 sec: 3.07282E-02 ( -0.00850695  0.00852529 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.88994e-07 ( -1.32714e-07  1.49222e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
231.000000 483.054300
489.000000 489.200000
541.000000 546.812700
601.000000 605.531100
661.000000 665.973900
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 5.92406E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.93 using 59 PHA bins.
# Reduced chi-squared =          1.142 for     56 degrees of freedom 
# Null hypothesis probability =   2.179792e-01
 
Photon flux (15-150 keV)    in 267.6 sec: 2.94904E-02 ( -0.0081105  0.0082 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.24888e-07 ( -9.48265e-08  1.05983e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
231.000000 483.054300
489.000000 489.200000
541.000000 546.812700
601.000000 605.531100
661.000000 665.973900
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.64953   ( 1.52395   1.52395 )
beta        : -10.0000    ( 9.46702   19.4634 )
Epeak [keV] : 24.5716      ( -6.30958 8.59524 )
Norm@50keV   : 0.151935    ( -0.0406773   35.7685 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.06 using 59 PHA bins.
# Reduced chi-squared =          1.001 for     55 degrees of freedom 
# Null hypothesis probability =   4.722632e-01
 
Photon flux (15-150 keV)    in 267.6 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 6.35508  (-1.4708  1.74422)
R^2/D10^2   : 9.16601E-02  (-0.0916275   0.197065)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.03 using 59 PHA bins.
# Reduced chi-squared =         0.9655 for     57 degrees of freedom 
# Null hypothesis probability =   5.492357e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.423e-07   8.328e-08
25- 50  1.604e-07   9.955e-08
50-150  1.849e-08   1.586e-08
15-150  3.212e-07   1.939e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 22.0644       (-9.39687      20.518)
Norm        : 0.336348       (-0.160591     0.32891)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.79 using 59 PHA bins.
# Reduced chi-squared =         0.9787 for     57 degrees of freedom 
# Null hypothesis probability =   5.206534e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.510e-07   8.177e-08
25- 50  1.422e-07   8.279e-08
50-150  5.001e-08   4.459e-08
15-150  3.433e-07   1.876e-07
Double BB
R1^2/D10^2  : 1.27420E-06        (      )
kT2 [keV]   : 6.21613        (-6.21295      1.68552)
R2^2/D10^2  : 9.90362E-02    (-0.062002   0.177628)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.78 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.49 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.30 using 59 PHA bins.
# Reduced chi-squared =         0.9961 for     55 degrees of freedom 
# Reduced chi-squared =         0.9906 for     55 degrees of freedom 
# Reduced chi-squared =         0.9873 for     55 degrees of freedom 
# Null hypothesis probability =   4.828332e-01
# Null hypothesis probability =   4.942485e-01
# Null hypothesis probability =   5.013239e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.446e-07   8.266e-08
25- 50  1.588e-07   9.543e-08
50-150  2.333e-08   1.495e-08
15-150  3.267e-07   1.951e-07

Peak spectrum fit

Power-law model
Time interval is from  661.000 sec. to  665.974 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.72429     ( -0.591466   0.760772 )
Norm@50keV  : 1.35474E-04    ( -6.93292e-05   7.46728e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.91 using 59 PHA bins.
# Reduced chi-squared =         0.9984 for     57 degrees of freedom 
# Null hypothesis probability =   4.785370e-01
 
Photon flux (15-150 keV)    in 267.6 sec: 3.07282E-02 ( -0.00850695  0.00852529 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.88994e-07 ( -1.32714e-07  1.49222e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  661.000 sec. to  665.974 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 5.92406E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.93 using 59 PHA bins.
# Reduced chi-squared =          1.142 for     56 degrees of freedom 
# Null hypothesis probability =   2.179792e-01
 
Photon flux (15-150 keV)    in 267.6 sec: 2.94904E-02 ( -0.0081105  0.0082 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.24888e-07 ( -9.48265e-08  1.05983e-07 ) ergs/cm2
 
Band function
Time interval is from  661.000 sec. to  665.974 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.64953   ( 1.52395   1.52395 )
beta        : -10.0000    ( 9.46702   19.4634 )
Epeak [keV] : 24.5716      ( -6.30958 8.59524 )
Norm@50keV   : 0.151935    ( -0.0406773   35.7685 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.06 using 59 PHA bins.
# Reduced chi-squared =          1.001 for     55 degrees of freedom 
# Null hypothesis probability =   4.722632e-01
 
Photon flux (15-150 keV)    in 267.6 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 6.35508  (-1.4708  1.74422)
R^2/D10^2   : 9.16601E-02  (-0.0916275   0.197065)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.03 using 59 PHA bins.
# Reduced chi-squared =         0.9655 for     57 degrees of freedom 
# Null hypothesis probability =   5.492357e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.423e-07   8.471e-08
25- 50  1.604e-07   9.805e-08
50-150  1.849e-08   1.524e-08
15-150  3.212e-07   1.945e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 22.0644       (-9.39687      20.518)
Norm        : 0.336348       (-0.160591     0.32891)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.79 using 59 PHA bins.
# Reduced chi-squared =         0.9787 for     57 degrees of freedom 
# Null hypothesis probability =   5.206534e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.510e-07   7.176e-08
25- 50  1.422e-07   7.358e-08
50-150  5.001e-08   4.402e-08
15-150  3.433e-07   1.802e-07
Double BB
R1^2/D10^2  : 1.27420E-06        (      )
kT2 [keV]   : 6.21613        (-6.21295      1.68552)
R2^2/D10^2  : 9.90362E-02    (-0.062002   0.177628)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.78 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.49 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.30 using 59 PHA bins.
# Reduced chi-squared =         0.9961 for     55 degrees of freedom 
# Reduced chi-squared =         0.9906 for     55 degrees of freedom 
# Reduced chi-squared =         0.9873 for     55 degrees of freedom 
# Null hypothesis probability =   4.828332e-01
# Null hypothesis probability =   4.942485e-01
# Null hypothesis probability =   5.013239e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.446e-07   8.862e-08
25- 50  1.588e-07   9.786e-08
50-150  2.333e-08   1.687e-08
15-150  3.267e-07   1.875e-07
Plot creation:
Sun Feb  1 19:43:13 EST 2015