batgrbproduct Analysis for Trigger=542441

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: bat-burst-advocate v2.46
    Process Start Time (local time): Mon Dec 17 20:31:17 EST 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger542441/GCN5_download_hand
======================================================================

  Trigger: 00542441      Segment: 000

  BAT Trigger Time: 377421477.888   [s; MET]
      Trigger Stop: 377421478.912   [s; MET]
               UTC: 2012-12-17T07:17:47.893900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 153.72364002391   Dec: -62.30383321643  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.88
     Image Trigger?:     NO
     Rate S/N Ratio:     20.4939015319192  [ if not an image trigger ]
     Image S/N Ratio:    8.88

  Flight Position:   [ source = BAT ]
    RA: 153.72364002391   Dec: -62.30383321643  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 153.708216357506   Dec: -62.3543137194543  [deg; J2000]  
        { 10h 14m 50.0s , -62d 21' 15.5" }
         +/- 0.862875782336148 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.416250328414876 [arcmin] (formal 1-sigma fit error)
    SNR: 37.5509420652267
 
  Angular difference between Flight and Ground position is 3.059167 arcmin
 
  Partial Coding Fraction: 0.9921875    [ including projection effects ]

  Duration
     T90: 777.919999957085 +/- 16.1585826231588
        Measured from: -11.4599999189377
                   to: 766.460000038147     [s; relative to TRIGTIME]
     T50: 129.067999958992 +/- 322.006156000995
        Measured from: 607.676000118256
                   to: 736.744000077248     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 735.959999978542     
                   to: 736.959999978542     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -17.7319999933243     
                   to: 783.759999990463     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.020216   3.961424   2.867522   0.659513
           0.145446   0.147425   0.126861   0.109190 [error]
 Peak      0.062353   0.083025   0.063591   0.020924
           0.006136   0.006373   0.005613   0.004427 [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 8.61e-07 1.56e-06 2.16e-06 6.25e-06 6.21e-06 1.08e-05   erg/cm2
              Error 7.01e-08 7.33e-08 1.26e-07 8.16e-07 3.00e-07 8.97e-07   erg/cm2
Peak flux Power-law 5.64e-01 5.79e-01 4.20e-01 4.87e-01 1.75e+00 2.05e+00   ph/cm2/s
              Error 8.17e-02 5.13e-02 4.55e-02 1.09e-01 1.47e-01 1.75e-01   ph/cm2/s
 
Fluence   Cutoff-PL 8.61e-07 1.56e-06 2.16e-06 6.20e-06 1.08e-05 0.00e+00   erg/cm2
              Error 7.77e-08 7.42e-08 1.26e-07 1.60e-06 1.65e-06 0.00e+00   erg/cm2
Peak flux Cutoff-PL 5.49e-01 5.88e-01 4.25e-01 4.03e-01 1.74e+00 1.96e+00   ph/cm2/s
              Error 9.45e-02 5.87e-02 4.95e-02 1.90e-01 1.52e-01 2.52e-01   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 1.92e+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    1.527    0.083    -      -           8.21e-04 3.63e-05   53.360 57
CPL   1.524    0.201    10000.0    0.0      8.23e-04 3.63e-05   53.360 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.465    0.148    -      -           1.42e-02 1.21e-03   54.900 57
CPL   1.314    0.430     227.4    0.0      1.69e-02 1.04e-02   54.660 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: 786.624000 sec.
T50 in the 50-300 keV band: 725.376000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  801.492  -17.732  783.760
T90   777.920  -11.460  766.460
T50   129.068  607.676  736.744
Peak    1.000  735.960  736.960

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  153.7082   -62.3543   0.0051    10.5103   -89.4603         2.5644807     37.551 TRIG_00542441                 
 
Foreground time interval of the image:
-17.732  19.013 (delta_t =  36.745 [sec])
Background time interval of the image:
-239.888 -17.732 (delta_t = 222.156 [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
Time interval is from  -17.732 sec. to  783.760 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52653     ( -0.0827049   0.0828846 )
Norm@50keV  : 8.20649E-04    ( -3.63331e-05   3.62272e-05 )
------------------------------------------------------------
# Chi-Squared =          53.36 using 59 PHA bins.
# Reduced chi-squared =         0.9361 for     57 degrees of freedom 
# Null hypothesis probability =   6.124856e-01
 
Photon flux (15-150 keV)    in 801.5 sec: 0.103198 ( -0.00471038  0.00472503 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.21362e-06 ( -2.99122e-07  3.00542e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -17.732 sec. to  783.760 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52411     ( -0.31016   0.0909429 )
Epeak [keV] : 10000.00      (   )
Norm@50keV  : 8.22964E-04    ( -3.61726e-05   3.63861e-05 )
------------------------------------------------------------
# Chi-Squared =          53.36 using 59 PHA bins.
# Reduced chi-squared =         0.9528 for     56 degrees of freedom 
# Null hypothesis probability =   5.755312e-01
 
Photon flux (15-150 keV)    in 801.5 sec: 0.103158 ( -0.004712  0.004711 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07831e-05 ( -2.36811e-06  9.23248e-07 ) ergs/cm2
 
Band function
Time interval is from  -17.732 sec. to  783.760 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.996404   ( 0.981773   5.89853 )
beta        : -1.56804    ( -0.143833   0.112907 )
Epeak [keV] : 61.8959      ( -59.4295 -59.4295 )
Norm@50keV   : 1.79202E-03    ( -0.0011335   0 )
------------------------------------------------------------
# Chi-Squared =          52.63 using 59 PHA bins.
# Reduced chi-squared =         0.9568 for     55 degrees of freedom 
# Null hypothesis probability =   5.658762e-01
 
Photon flux (15-150 keV)    in 801.5 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]    : 15.0684  (  )
R^2/D10^2   : 1.09351E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         190.51 using 59 PHA bins.
# Reduced chi-squared =         3.3422 for     57 degrees of freedom 
# Null hypothesis probability =   2.741276e-16
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.163e-07   3.807e-08
25- 50  1.661e-06   1.042e-07
50-150  2.572e-06   2.132e-07
15-150  4.650e-06   2.304e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.993       (      )
Norm        : 0.419183       (-0.0181818     0.0181818)
------------------------------------------------------------
# Chi-Squared =          56.40 using 59 PHA bins.
# Reduced chi-squared =         0.9894 for     57 degrees of freedom 
# Null hypothesis probability =   4.976120e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.367e-07   4.288e-07
25- 50  1.609e-06   8.259e-07
50-150  3.530e-06   1.807e-06
15-150  5.976e-06   3.055e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.38761        (-0.918325      0.989669)
R1^2/D10^2  : 9.47258E-02        (-0.0326798      0.0558432)
kT2 [keV]   : 30.5302        (-4.68442      7.23378)
R2^2/D10^2  : 7.67918E-04    (-0.000379147   0.000594525)
------------------------------------------------------------
# Chi-Squared =          52.13 using 59 PHA bins.
# Reduced chi-squared =         0.9478 for     55 degrees of freedom 
# Null hypothesis probability =   5.849644e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.904e-07   1.048e-07
25- 50  1.616e-06   1.703e-07
50-150  3.820e-06   8.019e-07
15-150  6.226e-06   8.476e-07

Peak spectrum fit

Power-law model
Time interval is from  735.960 sec. to  736.960 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46507     ( -0.147372   0.148628 )
Norm@50keV  : 1.41611E-02    ( -0.00121419   0.00120749 )
------------------------------------------------------------
# Chi-Squared =          54.90 using 59 PHA bins.
# Reduced chi-squared =         0.9632 for     57 degrees of freedom 
# Null hypothesis probability =   5.541489e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.75178 ( -0.147104  0.147289 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.35142e-07 ( -1.28618e-08  1.2985e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  735.960 sec. to  736.960 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.31396     ( -0.57594   0.284441 )
Epeak [keV] : 227.388      ( -227.388 -227.388 )
Norm@50keV  : 1.68958E-02    ( -0.00530425   0.0155576 )
------------------------------------------------------------
# Chi-Squared =          54.66 using 59 PHA bins.
# Reduced chi-squared =         0.9761 for     56 degrees of freedom 
# Null hypothesis probability =   5.256089e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.73974 ( -0.1527  0.15202 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.13552e-07 ( -6.4584e-08  8.4209e-08 ) ergs/cm2
 
Band function
Time interval is from  735.960 sec. to  736.960 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.32244   ( 0.94644   5.85195 )
beta        : -2.36593    ( 7.23621   5.91178 )
Epeak [keV] : 238.127      ( -124.887 -238.11 )
Norm@50keV   : 1.67264E-02    ( -0.00368741   0.00382054 )
------------------------------------------------------------
# Chi-Squared =          54.66 using 59 PHA bins.
# Reduced chi-squared =         0.9939 for     55 degrees of freedom 
# Null hypothesis probability =   4.874485e-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]    : 15.2663  (-1.71489  1.96782)
R^2/D10^2   : 0.185111  (-0.0632029   0.0949998)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          92.17 using 59 PHA bins.
# Reduced chi-squared =          1.617 for     57 degrees of freedom 
# Null hypothesis probability =   2.194977e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.005e-09   1.534e-09
25- 50  3.636e-08   4.465e-09
50-150  5.812e-08   9.975e-09
15-150  1.035e-07   1.192e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.996       (      )
Norm        : 7.17476       (-7.17476     -7.17476)
------------------------------------------------------------
# Chi-Squared =          55.84 using 59 PHA bins.
# Reduced chi-squared =         0.9797 for     57 degrees of freedom 
# Null hypothesis probability =   5.185496e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.787e-08   9.455e-09
25- 50  3.437e-08   1.794e-08
50-150  7.538e-08   4.004e-08
15-150  1.276e-07   6.730e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.49151        (-1.66543      2.09912)
R1^2/D10^2  : 2.30905        (-1.3895      4.55611)
kT2 [keV]   : 26.2648        (-5.57827      11.2454)
R2^2/D10^2  : 2.35677E-02    (-0.0164524   0.0321292)
------------------------------------------------------------
# Chi-Squared =          54.86 using 59 PHA bins.
# Reduced chi-squared =         0.9975 for     55 degrees of freedom 
# Null hypothesis probability =   4.797637e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.710e-08   6.467e-09
25- 50  3.290e-08   1.133e-08
50-150  8.318e-08   3.809e-08
15-150  1.332e-07   4.080e-08
Plot creation:
Mon Dec 17 21:22:00 EST 2012