batgrbproduct Analysis for Trigger=526511

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jul 14 18:24:27 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger526511/GCN5_download_cron
======================================================================

  Trigger: 00526511      Segment: 000

  BAT Trigger Time: 363881824   [s; MET]
      Trigger Stop: 363882912   [s; MET]
               UTC: 2012-07-13T14:16:54.578580    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 267.010592001549   Dec: -24.8140085837641  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.4
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.4

  Flight Position:   [ source = BAT ]
    RA: 267.010592001549   Dec: -24.8140085837641  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 267.141475892079   Dec: -24.942899922097  [deg; J2000]  
        { 17h 48m 34.0s , -24d 56' 34.4" }
         +/- 7.18776897410084 [arcmin] (estimated 90% radius based on SNR)
         +/- 4.82645802731862 [arcmin] (formal 1-sigma fit error)
    SNR: 1.81724092560358
 
  Angular difference between Flight and Ground position is 10.514855 arcmin
 
  Partial Coding Fraction: 0.6328125    [ including projection effects ]

  Duration
     T90: 1088 +/- 
        Measured from: 0
                   to: 1088     [s; relative to TRIGTIME]
     T50: 1088 +/- 
        Measured from: 0
                   to: 1088     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1088 second)
        Measured from: 0     
                   to: 1088     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1088     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.251657   0.158983   0.043976   0.077891
           0.110895   0.103697   0.088693   0.079144 [error]
 Peak      0.251657   0.158983   0.043976   0.077891
           0.110895   0.103697   0.088693   0.079144 [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 6.93e-08 7.37e-08 5.56e-08 6.82e-08 2.25e-07 2.67e-07   erg/cm2
              Error 5.16e-08 6.18e-08 7.13e-08 2.52e-07 1.76e-07 3.74e-07   erg/cm2
Peak flux Power-law 1.24e-02 7.37e-03 2.78e-03 1.40e-03 2.33e-02 2.40e-02   ph/cm2/s
              Error 9.46e-03 6.11e-03 3.45e-03 4.42e-03 1.42e-02 1.48e-02   ph/cm2/s
 
Fluence   Cutoff-PL 6.93e-08 7.37e-08 5.55e-08 6.75e-08 2.66e-07 0.00e+00   erg/cm2
              Error 5.35e-08 7.49e-08 7.13e-08 2.48e-07 3.83e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.24e-02 7.37e-03 2.77e-03 1.38e-03 2.33e-02 2.40e-02   ph/cm2/s
              Error 1.11e-02 6.51e-03 4.42e-03 4.37e-03 1.42e-02 1.13e-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    2.406    1.815    -      -           1.26e-04 1.24e-04   55.160 57
CPL   1.911    0.000       6.4    0.0      2.59e-04 0.00e+00   55.180 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.406    1.815    -      -           1.26e-04 1.24e-04   55.160 57
CPL   1.911    0.000       6.4    0.0      2.59e-04 0.00e+00   55.180 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 1088.000    0.000 1088.000
T90  1088.000    0.000 1088.000
T50  1088.000    0.000 1088.000
Peak 1088.000    0.000 1088.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  267.1415 -24.9429 0.1053   32.5  164.3       0.5160     1.8  TRIG_00526511       
------------------------------------------
 
Foreground time interval of the image:
  0.000 183.015 (delta_t = 183.015 [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    0.000 sec. to  183.015 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.40604     ( -1.29463   2.33524 )
Norm@50keV  : 1.25638E-04    ( -0.000125638   0.000123155 )
------------------------------------------------------------
# Chi-Squared =          55.16 using 59 PHA bins.
# Reduced chi-squared =         0.9677 for     57 degrees of freedom 
# Null hypothesis probability =   5.445225e-01
 
Photon flux (15-150 keV)    in 183 sec: 2.33287E-02 ( -0.0142163  0.0142335 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.24589e-07 ( -1.5751e-07  1.95444e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  183.015 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.91139     (     )
Epeak [keV] : 6.42669      (   )
Norm@50keV  : 2.58874E-04    (     )
------------------------------------------------------------
# Chi-Squared =          55.18 using 59 PHA bins.
# Reduced chi-squared =         0.9853 for     56 degrees of freedom 
# Null hypothesis probability =   5.059463e-01
 
Photon flux (15-150 keV)    in 183 sec: 2.33184E-02 ( -0.0141925  0.0141874 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.66086e-07 ( -2.66086e-07  5.00897e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  183.015 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.20905   ( 1.75004   1.75004 )
beta        : -2.53386    ( 2.94383   11.1939 )
Epeak [keV] : 19.0183      ( -12.8767 -12.8767 )
Norm@50keV   : 0.776460    ( -0.81248   159.333 )
------------------------------------------------------------
# Chi-Squared =          55.11 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Null hypothesis probability =   4.703437e-01
 
Photon flux (15-150 keV)    in 183 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]    : 7.49715  (-7.50877  9.75271)
R^2/D10^2   : 3.26947E-02  (-0.0323999   4.28297)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          55.77 using 59 PHA bins.
# Reduced chi-squared =         0.9784 for     57 degrees of freedom 
# Null hypothesis probability =   5.212976e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.770e-08   4.010e-08
25- 50  8.993e-08   6.570e-08
50-150  1.898e-08   1.972e-08
15-150  1.666e-07   1.180e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 33.6626       (-33.6626      -33.6626)
Norm        : 0.169976       (-0.169976     1.57417)
------------------------------------------------------------
# Chi-Squared =          55.23 using 59 PHA bins.
# Reduced chi-squared =         0.9689 for     57 degrees of freedom 
# Null hypothesis probability =   5.418967e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.684e-08   4.742e-08
25- 50  8.116e-08   5.826e-08
50-150  5.142e-08   5.059e-08
15-150  1.994e-07   1.434e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.40930        (-3.4072      -3.4072)
R1^2/D10^2  : 0.650819        (-0.653175      -0.653175)
kT2 [keV]   : 11.2126        (-11.2084      -11.2084)
R2^2/D10^2  : 4.76057E-03    (-0.00476972   1.78542)
------------------------------------------------------------
# Chi-Squared =          55.10 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Null hypothesis probability =   4.709420e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.020e-08   3.492e-08
25- 50  7.708e-08   5.207e-08
50-150  4.799e-08   4.101e-08
15-150  1.953e-07   1.168e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to  183.015 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.40604     ( -1.29463   2.33524 )
Norm@50keV  : 1.25638E-04    ( -0.000125638   0.000123155 )
------------------------------------------------------------
# Chi-Squared =          55.16 using 59 PHA bins.
# Reduced chi-squared =         0.9677 for     57 degrees of freedom 
# Null hypothesis probability =   5.445225e-01
 
Photon flux (15-150 keV)    in 183 sec: 2.33287E-02 ( -0.0142163  0.0142335 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.24589e-07 ( -1.5751e-07  1.95444e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  183.015 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.91139     (     )
Epeak [keV] : 6.42669      (   )
Norm@50keV  : 2.58874E-04    (     )
------------------------------------------------------------
# Chi-Squared =          55.18 using 59 PHA bins.
# Reduced chi-squared =         0.9853 for     56 degrees of freedom 
# Null hypothesis probability =   5.059463e-01
 
Photon flux (15-150 keV)    in 183 sec: 2.33184E-02 ( -0.0141925  0.0141874 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.66086e-07 ( -2.66086e-07  4.73884e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  183.015 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.20905   ( 1.75004   1.75004 )
beta        : -2.53386    ( 2.94383   11.1939 )
Epeak [keV] : 19.0183      ( -12.8767 -12.8767 )
Norm@50keV   : 0.776460    ( -0.81248   159.333 )
------------------------------------------------------------
# Chi-Squared =          55.11 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Null hypothesis probability =   4.703437e-01
 
Photon flux (15-150 keV)    in 183 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]    : 7.49715  (-7.50877  9.75271)
R^2/D10^2   : 3.26947E-02  (-0.0323999   4.28297)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          55.77 using 59 PHA bins.
# Reduced chi-squared =         0.9784 for     57 degrees of freedom 
# Null hypothesis probability =   5.212976e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.770e-08   3.958e-08
25- 50  8.993e-08   6.421e-08
50-150  1.898e-08   1.769e-08
15-150  1.666e-07   1.174e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 33.6626       (-33.6626      -33.6626)
Norm        : 0.169976       (-0.169976     1.57417)
------------------------------------------------------------
# Chi-Squared =          55.23 using 59 PHA bins.
# Reduced chi-squared =         0.9689 for     57 degrees of freedom 
# Null hypothesis probability =   5.418967e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.684e-08   4.451e-08
25- 50  8.116e-08   5.930e-08
50-150  5.142e-08   5.176e-08
15-150  1.994e-07   1.451e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.40930        (-3.4072      -3.4072)
R1^2/D10^2  : 0.650819        (-0.653175      -0.653175)
kT2 [keV]   : 11.2126        (-11.2084      -11.2084)
R2^2/D10^2  : 4.76057E-03    (-0.00476972   1.78542)
------------------------------------------------------------
# Chi-Squared =          55.10 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Null hypothesis probability =   4.709420e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.020e-08   5.283e-08
25- 50  7.708e-08   5.356e-08
50-150  4.799e-08   4.789e-08
15-150  1.953e-07   1.240e-07
Plot creation:
Sat Jul 14 18:30:42 EDT 2012