batgrbproduct Analysis for Trigger=544027

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Dec 27 10:50:56 EST 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger544027/GCN5_download_cron
======================================================================

  Trigger: 00544027      Segment: 000

  BAT Trigger Time: 378241793.92   [s; MET]
      Trigger Stop: 378241794.944   [s; MET]
               UTC: 2012-12-26T19:09:43.890520    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 168.657836545913   Dec: -30.4144824746842  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.23
     Image Trigger?:     NO
     Rate S/N Ratio:     15.6843871413581  [ if not an image trigger ]
     Image S/N Ratio:    7.23

  Flight Position:   [ source = BAT ]
    RA: 168.657836545913   Dec: -30.4144824746842  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 168.621883759535   Dec: -30.4098983088411  [deg; J2000]  
        { 11h 14m 29.3s , -30d 24' 35.6" }
         +/- 1.9542227178414 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.1514154431031 [arcmin] (formal 1-sigma fit error)
    SNR: 11.6799546025148
 
  Angular difference between Flight and Ground position is 1.880577 arcmin
 
  Partial Coding Fraction: 0.359375    [ including projection effects ]

  Duration
     T90: 0.883999943733215 +/- 0.190588548648412
        Measured from: -0.307999908924103
                   to: 0.576000034809113     [s; relative to TRIGTIME]
     T50: 0.495999932289124 +/- 0.137753415489432
        Measured from: 1.19209289550781e-07
                   to: 0.496000051498413     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.336000025272369     
                   to: 0.663999974727631     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.364000022411346     
                   to: 0.73199999332428     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.066933   0.064743   0.060894   0.039655
           0.010097   0.011216   0.010044   0.008109 [error]
 Peak      0.062903   0.058401   0.056256   0.036785
           0.009661   0.010764   0.009641   0.007811 [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 1.76e-08 3.38e-08 5.04e-08 1.62e-07 1.42e-07 2.64e-07   erg/cm2
              Error 5.22e-09 5.97e-09 9.63e-09 7.02e-08 2.37e-08 7.58e-08   erg/cm2
Peak flux Power-law 5.06e-01 5.44e-01 4.16e-01 5.20e-01 1.66e+00 1.99e+00   ph/cm2/s
              Error 1.61e-01 1.05e-01 7.83e-02 2.12e-01 2.87e-01 3.22e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.76e-08 3.39e-08 5.05e-08 1.61e-07 2.63e-07 0.00e+00   erg/cm2
              Error 5.21e-09 5.96e-09 9.63e-09 7.31e-08 7.53e-08 0.00e+00   erg/cm2
Peak flux Cutoff-PL 5.05e-01 5.45e-01 4.17e-01 5.16e-01 1.66e+00 1.98e+00   ph/cm2/s
              Error 1.39e-01 1.04e-01 5.91e-02 2.41e-01 2.86e-01 3.20e-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 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    1.425    0.284    -      -           1.35e-02 2.10e-03   68.540 57
CPL   1.438    0.312    9999.4    0.0      1.34e-02 5.47e-03   68.560 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.387    0.295    -      -           1.37e-02 2.20e-03   63.140 57
CPL   1.399    0.342    9999.4    0.0      1.37e-02 6.11e-03   63.160 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: 1.280000 sec.
T50 in the 50-300 keV band: 0.640000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    1.096   -0.364    0.732
T90     0.884   -0.308    0.576
T50     0.496    0.000    0.496
Peak    1.000   -0.336    0.664

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  168.6219 -30.4099 0.0163   47.5  -14.7       0.2481    11.7  TRIG_00544027       
------------------------------------------
 
Foreground time interval of the image:
 -0.364   0.732 (delta_t =   1.096 [sec])
Background time interval of the image:
-60.920  -0.364 (delta_t =  60.556 [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   -0.364 sec. to    0.732 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.42456     ( -0.286859   0.281759 )
Norm@50keV  : 1.34904E-02    ( -0.00209866   0.00209507 )
------------------------------------------------------------
# Chi-Squared =          68.54 using 59 PHA bins.
# Reduced chi-squared =          1.202 for     57 degrees of freedom 
# Null hypothesis probability =   1.408266e-01
 
Photon flux (15-150 keV)    in 1.096 sec: 1.65226 ( -0.273803  0.274487 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.42169e-07 ( -2.36995e-08  2.37905e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.364 sec. to    0.732 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.43825     ( -0.354946   0.26921 )
Epeak [keV] : 9999.36      ( -9999.99 -9999.99 )
Norm@50keV  : 1.34486E-02    ( -0.00209766   0.00884989 )
------------------------------------------------------------
# Chi-Squared =          68.56 using 59 PHA bins.
# Reduced chi-squared =          1.224 for     56 degrees of freedom 
# Null hypothesis probability =   1.209148e-01
 
Photon flux (15-150 keV)    in 1.096 sec: 1.65205 ( -0.27107  0.27363 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.62503e-07 ( -6.7256e-08  8.32544e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.364 sec. to    0.732 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99971   ( -6497.96   -6497.96 )
beta        : -1.53117    ( -0.36803   0.330194 )
Epeak [keV] : 25.4952      ( -25.4555 6.99219 )
Norm@50keV   : 1214.60    ( -1226.8   6.51729e+06 )
------------------------------------------------------------
# Chi-Squared =          67.15 using 59 PHA bins.
# Reduced chi-squared =          1.221 for     55 degrees of freedom 
# Null hypothesis probability =   1.260815e-01
 
Photon flux (15-150 keV)    in 1.096 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]    : 17.8113  (-5.43952  7.77729)
R^2/D10^2   : 9.89611E-02  (-0.096658   0.250114)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          91.97 using 59 PHA bins.
# Reduced chi-squared =          1.614 for     57 degrees of freedom 
# Null hypothesis probability =   2.291025e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.912e-09   2.733e-09
25- 50  3.171e-08   1.042e-08
50-150  7.283e-08   2.163e-08
15-150  1.115e-07   2.899e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.998       (      )
Norm        : 6.84946       (-6.84946     -6.84946)
------------------------------------------------------------
# Chi-Squared =          70.86 using 59 PHA bins.
# Reduced chi-squared =          1.243 for     57 degrees of freedom 
# Null hypothesis probability =   1.025197e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.870e-08   1.005e-08
25- 50  3.597e-08   1.964e-08
50-150  7.888e-08   4.295e-08
15-150  1.335e-07   7.338e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.97109        (-1.56155      2.05994)
R1^2/D10^2  : 2.28245        (-1.4275      3.89176)
kT2 [keV]   : 49.8302        (-19.3305      137.069)
R2^2/D10^2  : 3.50913E-03    (-0.00321658   0.00681696)
------------------------------------------------------------
# Chi-Squared =          62.26 using 59 PHA bins.
# Reduced chi-squared =          1.132 for     55 degrees of freedom 
# Null hypothesis probability =   2.335412e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.049e-08   1.156e-08
25- 50  3.397e-08   1.792e-08
50-150  9.626e-08   5.348e-08
15-150  1.507e-07   7.083e-08

Peak spectrum fit

Power-law model
Time interval is from   -0.336 sec. to    0.664 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.38673     ( -0.298769   0.291382 )
Norm@50keV  : 1.36964E-02    ( -0.0022016   0.00220157 )
------------------------------------------------------------
# Chi-Squared =          63.14 using 59 PHA bins.
# Reduced chi-squared =          1.108 for     57 degrees of freedom 
# Null hypothesis probability =   2.684678e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.66301 ( -0.28675  0.287579 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32707e-07 ( -2.28095e-08  2.28926e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.336 sec. to    0.664 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.39861     ( -0.4051   0.279885 )
Epeak [keV] : 9999.36      ( -9999.56 -9999.56 )
Norm@50keV  : 1.36688E-02    ( -0.00220872   0.0100027 )
------------------------------------------------------------
# Chi-Squared =          63.16 using 59 PHA bins.
# Reduced chi-squared =          1.128 for     56 degrees of freedom 
# Null hypothesis probability =   2.381173e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.66401 ( -0.28665  0.28441 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.50351e-07 ( -8.709e-08  8.3587e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.336 sec. to    0.664 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.88020   ( -17.9205   -17.9205 )
beta        : -1.48441    ( -0.357914   0.335536 )
Epeak [keV] : 26.0820      ( -26.0448 7.41847 )
Norm@50keV   : 843.630    ( -853.905   519.922 )
------------------------------------------------------------
# Chi-Squared =          62.16 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     55 degrees of freedom 
# Null hypothesis probability =   2.363255e-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]    : 18.9746  (-5.43574  7.93191)
R^2/D10^2   : 8.15848E-02  (-0.0797135   0.176883)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          83.81 using 59 PHA bins.
# Reduced chi-squared =          1.470 for     57 degrees of freedom 
# Null hypothesis probability =   1.193389e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.776e-09   2.128e-09
25- 50  2.776e-08   8.355e-09
50-150  7.342e-08   2.449e-08
15-150  1.070e-07   2.797e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.998       (      )
Norm        : 6.93478       (-6.93478     -6.93478)
------------------------------------------------------------
# Chi-Squared =          65.64 using 59 PHA bins.
# Reduced chi-squared =          1.152 for     57 degrees of freedom 
# Null hypothesis probability =   2.024157e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.726e-08   9.620e-09
25- 50  3.321e-08   1.836e-08
50-150  7.284e-08   3.930e-08
15-150  1.233e-07   6.770e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.03821        (-1.69478      2.28474)
R1^2/D10^2  : 2.15239        (-1.39582      4.13568)
kT2 [keV]   : 48.7512        (-19.086      147.365)
R2^2/D10^2  : 3.83569E-03    (-0.00355094   0.0119254)
------------------------------------------------------------
# Chi-Squared =          57.99 using 59 PHA bins.
# Reduced chi-squared =          1.054 for     55 degrees of freedom 
# Null hypothesis probability =   3.656936e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.824e-08   1.008e-08
25- 50  3.113e-08   1.662e-08
50-150  9.094e-08   5.081e-08
15-150  1.403e-07   7.292e-08
Plot creation:
Thu Dec 27 11:01:51 EST 2012