batgrbproduct Analysis for Trigger=526593

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jul 15 13:13:03 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger526593/GCN5_download_cron
======================================================================

  Trigger: 00526593      Segment: 000

  BAT Trigger Time: 363944816.192   [s; MET]
      Trigger Stop: 363944818.24   [s; MET]
               UTC: 2012-07-14T07:46:46.767960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 167.96954977866   Dec: -30.6319671895596  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.2
     Image Trigger?:     NO
     Rate S/N Ratio:     15.2315462117278  [ if not an image trigger ]
     Image S/N Ratio:    10.2

  Flight Position:   [ source = BAT ]
    RA: 167.96954977866   Dec: -30.6319671895596  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 167.975347611889   Dec: -30.6249381166421  [deg; J2000]  
        { 11h 11m 54.1s , -30d 37' 29.8" }
         +/- 1.63374209005486 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.509611837205534 [arcmin] (formal 1-sigma fit error)
    SNR: 15.0858757279447
 
  Angular difference between Flight and Ground position is 0.517177 arcmin
 
  Partial Coding Fraction: 0.4023438    [ including projection effects ]

  Duration
     T90: 16.1959999203682 +/- 2.9978425836007
        Measured from: -0.191999852657318
                   to: 16.0040000677109     [s; relative to TRIGTIME]
     T50: 5.85999995470047 +/- 1.39281727207283
        Measured from: 1.77600014209747
                   to: 7.63600009679794     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 3.58000004291534     
                   to: 4.58000004291534     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.736000001430511     
                   to: 17.7840000391006     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.342216   0.518181   0.351536   0.044780
           0.039955   0.041671   0.036732   0.031836 [error]
 Peak      0.042500   0.067825   0.045437   0.015632
           0.009956   0.010290   0.009312   0.007772 [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 1.26e-07 2.15e-07 2.79e-07 7.31e-07 8.19e-07 1.35e-06   erg/cm2
              Error 1.90e-08 2.06e-08 3.60e-08 1.96e-07 8.65e-08 2.27e-07   erg/cm2
Peak flux Power-law 5.39e-01 4.87e-01 3.03e-01 2.88e-01 1.45e+00 1.62e+00   ph/cm2/s
              Error 1.55e-01 8.99e-02 6.97e-02 1.30e-01 2.64e-01 2.85e-01   ph/cm2/s
 
Fluence   Cutoff-PL 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 Cutoff-PL 5.39e-01 4.87e-01 3.03e-01 1.04e-01 1.45e+00 1.62e+00   ph/cm2/s
              Error 1.66e-01 9.10e-02 1.86e-01 2.64e-01 3.11e-01 0.00e+00   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 4.32e-01 1.39e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 3.08e-01 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    1.624    0.160    -      -           5.09e-03 5.02e-04   62.210 57
CPL   1.001    0.661      77.2  273.6      1.08e-02 9.81e-03   59.160 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.682    0.298    -      -           1.10e-02 2.03e-03   45.920 57
CPL   1.622    1.345     330.9    0.0      1.18e-02 0.00e+00   45.930 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: 8.384000 sec.
T50 in the 50-300 keV band: 4.544000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   18.520   -0.736   17.784
T90    16.196   -0.192   16.004
T50     5.860    1.776    7.636
Peak    1.000    3.580    4.580

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  167.9753 -30.6249 0.0127   37.5  -51.2       1.3810    15.1  TRIG_00526593       
------------------------------------------
 
Foreground time interval of the image:
 -0.736  11.558 (delta_t =  12.294 [sec])
 12.808  17.784 (delta_t =   4.976 [sec])
Background time interval of the image:
-60.192 -57.471 (delta_t =   2.721 [sec])
-56.192  -0.736 (delta_t =  55.456 [sec])

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
-0.736000 11.558000
12.808000 17.784000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62357     ( -0.158959   0.161564 )
Norm@50keV  : 5.08546E-03    ( -0.000503812   0.000499859 )
------------------------------------------------------------
# Chi-Squared =          62.21 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     57 degrees of freedom 
# Null hypothesis probability =   2.959876e-01
 
Photon flux (15-150 keV)    in 17.27 sec: 0.658367 ( -0.0628426  0.0629234 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.19104e-07 ( -8.60996e-08  8.6918e-08 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-0.736000 11.558000
12.808000 17.784000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00109     ( -0.711783   0.611026 )
Epeak [keV] : 77.1794      ( -20.5982 526.645 )
Norm@50keV  : 1.07563E-02    ( -0.00549844   0.0141315 )
------------------------------------------------------------
# Chi-Squared =          59.16 using 59 PHA bins.
# Reduced chi-squared =          1.056 for     56 degrees of freedom 
# Null hypothesis probability =   3.608878e-01
 
Photon flux (15-150 keV)    in 17.27 sec: 0.642271 ( -0.064878  0.064866 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-0.736000 11.558000
12.808000 17.784000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.00105   ( -0.564517   0.787286 )
beta        : -10.00000    ( 1.62815e+06   1.62816e+06 )
Epeak [keV] : 77.1645      ( -20.5953 526.625 )
Norm@50keV   : 1.07560E-02    ( -0.00549943   0.0141391 )
------------------------------------------------------------
# Chi-Squared =          59.16 using 59 PHA bins.
# Reduced chi-squared =          1.076 for     55 degrees of freedom 
# Null hypothesis probability =   3.261884e-01
 
Photon flux (15-150 keV)    in 17.27 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]    : 13.6429  (-1.58953  1.82365)
R^2/D10^2   : 0.102493  (-0.0371764   0.0579766)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          81.88 using 59 PHA bins.
# Reduced chi-squared =          1.437 for     57 degrees of freedom 
# Null hypothesis probability =   1.706596e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.974e-08   1.290e-08
25- 50  2.527e-07   3.204e-08
50-150  3.055e-07   6.010e-08
15-150  6.280e-07   8.488e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 155.176       (0.676514      -101.177)
Norm        : 2.73046       (-0.28317     0.334775)
------------------------------------------------------------
# Chi-Squared =          59.64 using 59 PHA bins.
# Reduced chi-squared =          1.046 for     57 degrees of freedom 
# Null hypothesis probability =   3.797739e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.208e-07   1.687e-08
25- 50  2.249e-07   2.383e-08
50-150  4.501e-07   6.822e-08
15-150  7.958e-07   8.376e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.82732        (-1.69876      1.95631)
R1^2/D10^2  : 0.765021        (-0.428036      0.764743)
kT2 [keV]   : 23.2239        (-5.05127      9.54277)
R2^2/D10^2  : 1.14644E-02    (-0.00825089   0.0116621)
------------------------------------------------------------
# Chi-Squared =          57.18 using 59 PHA bins.
# Reduced chi-squared =          1.040 for     55 degrees of freedom 
# Null hypothesis probability =   3.940512e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.156e-07   5.345e-08
25- 50  2.307e-07   8.704e-08
50-150  4.421e-07   2.272e-07
15-150  7.884e-07   3.053e-07

Peak spectrum fit

Power-law model
Time interval is from    3.580 sec. to    4.580 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68226     ( -0.288543   0.307596 )
Norm@50keV  : 1.09869E-02    ( -0.00204505   0.00201003 )
------------------------------------------------------------
# Chi-Squared =          45.92 using 59 PHA bins.
# Reduced chi-squared =         0.8055 for     57 degrees of freedom 
# Null hypothesis probability =   8.533102e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.45027 ( -0.263587  0.264144 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.01875e-07 ( -1.96193e-08  1.9706e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    3.580 sec. to    4.580 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62170     ( -0.971618   1.7181 )
Epeak [keV] : 330.870      (   )
Norm@50keV  : 1.17731E-02    (     )
------------------------------------------------------------
# Chi-Squared =          45.93 using 59 PHA bins.
# Reduced chi-squared =         0.8202 for     56 degrees of freedom 
# Null hypothesis probability =   8.292857e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.45026 ( -0.26482  0.26351 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.00303e-07 ( -3.01508e-08  8.928e-08 ) ergs/cm2
 
Band function
Time interval is from    3.580 sec. to    4.580 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.27902   ( 1.29274   6.07622 )
beta        : -1.71683    ( 1.71946   0.325766 )
Epeak [keV] : 59.2077      ( -61.2266 -61.2266 )
Norm@50keV   : 1.99278E-02    ( -0.00974667   442.803 )
------------------------------------------------------------
# Chi-Squared =          45.91 using 59 PHA bins.
# Reduced chi-squared =         0.8347 for     55 degrees of freedom 
# Null hypothesis probability =   8.037562e-01
 
Photon flux (15-150 keV)    in 1 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]    : 12.5530  (-3.39186  6.26436)
R^2/D10^2   : 0.290964  (-0.285167   0.622658)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          60.68 using 59 PHA bins.
# Reduced chi-squared =          1.065 for     57 degrees of freedom 
# Null hypothesis probability =   3.445447e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.722e-09   3.615e-09
25- 50  3.222e-08   1.110e-08
50-150  3.143e-08   1.221e-08
15-150  7.337e-08   2.422e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 161.019       (-21.0004      -101.424)
Norm        : 5.94851       (-1.14224     1.4311)
------------------------------------------------------------
# Chi-Squared =          46.44 using 59 PHA bins.
# Reduced chi-squared =         0.8148 for     57 degrees of freedom 
# Null hypothesis probability =   8.398546e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.518e-08   3.585e-09
25- 50  2.842e-08   5.605e-09
50-150  5.772e-08   1.212e-08
15-150  1.013e-07   1.936e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.94629        (-2.24287      2.67238)
R1^2/D10^2  : 1.91171        (-1.32937      6.62579)
kT2 [keV]   : 30.7825        (-9.78043      31.6118)
R2^2/D10^2  : 9.43994E-03    (-0.00842407   0.0183488)
------------------------------------------------------------
# Chi-Squared =          45.05 using 59 PHA bins.
# Reduced chi-squared =         0.8190 for     55 degrees of freedom 
# Null hypothesis probability =   8.285599e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.608e-08   9.161e-09
25- 50  2.842e-08   1.565e-08
50-150  6.006e-08   3.547e-08
15-150  1.046e-07   5.436e-08
Plot creation:
Sun Jul 15 13:17:53 EDT 2012