batgrbproduct Analysis for Trigger=419932

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Thu Apr 22 21:08:33 EDT 2010
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger419932/SDC
======================================================================

  Trigger: 00419932      Segment: 000

  BAT Trigger Time: 293433768   [s; MET]
      Trigger Stop: 293433844   [s; MET]
               UTC: 2010-04-20T05:22:42.276700    [includes UTCF correction] 
       Where From?: Command line

  BAT 
    RA: 296.127555899969   Dec: 55.7926334166084  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.37
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.37

  Flight Position:   [ source = BAT ]
    RA: 296.127555899969   Dec: 55.7926334166084  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 295.934043912031   Dec: 55.9623583283087  [deg; J2000]  
        { 19h 43m 44.2s , +55d 57' 44.5" }
         +/- 4.57745715205943 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.05823869583591 [arcmin] (formal 1-sigma fit error)
    SNR: 3.46233748398066
 
  Angular difference between Flight and Ground position is 12.088219 arcmin
 
  Partial Coding Fraction: 0.921875    [ including projection effects ]

  Duration
     T90: 48 +/- 35.7770876399966
        Measured from: 1
                   to: 49     [s; relative to TRIGTIME]
     T50: 32 +/- 16
        Measured from: 1
                   to: 33     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 8.5     
                   to: 9.5     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 1     
                   to: 65     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.189227   0.312467   0.163031   0.048121
           0.045741   0.045949   0.042133   0.040486 [error]
 Peak      0.062969   0.075451   0.087189   0.029888
           0.022931   0.023036   0.021415   0.020492 [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 5.66e-08 1.08e-07 1.60e-07 5.06e-07 4.51e-07 8.30e-07   erg/cm2
              Error 1.67e-08 2.02e-08 4.02e-08 2.72e-07 9.79e-08 3.06e-07   erg/cm2
Peak flux Power-law 3.17e-02 4.01e-02 3.69e-02 5.96e-02 1.29e-01 1.68e-01   ph/cm2/s
              Error 4.85e-02 4.22e-02 3.87e-02 3.39e-01 1.29e-01 3.46e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.16e-08 1.17e-07 1.62e-07 1.71e-07 4.19e-07 5.02e-07   erg/cm2
              Error 1.90e-08 2.66e-08 4.58e-08 3.38e-07 1.10e-07 3.89e-07   erg/cm2
Peak flux Cutoff-PL 2.68e-02 4.40e-02 4.03e-02 2.30e-02 1.26e-01 1.34e-01   ph/cm2/s
              Error 4.76e-02 5.58e-02 4.63e-02 3.57e-01 1.27e-01 2.16e-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 2.63e-02 1.46e-01 1.38e-01 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    1.437    0.319    -      -           7.35e-04 1.41e-04   88.500 57
CPL   0.720    1.330      83.5    0.0      1.77e-03 0.00e+00   87.520 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.115    1.978    -      -           1.11e-03 1.10e-03   52.760 57
CPL   0.133    0.000      96.5    0.0      3.44e-03 8.09e+00   52.630 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   64.000    1.000   65.000
T90    48.000    1.000   49.000
T50    32.000    1.000   33.000
Peak    1.000    8.500    9.500

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  295.9340 +55.9624 0.0557   16.0  140.9       0.9773     3.5  TRIG_00419932       
------------------------------------------
 
Foreground time interval of the image:
  1.000  65.000 (delta_t =  64.000 [sec])
Background time interval of the image:
 -6.299   1.000 (delta_t =   7.299 [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    1.000 sec. to   65.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.43725     ( -0.31597   0.321782 )
Norm@50keV  : 7.34699E-04    ( -0.000142019   0.000139978 )
------------------------------------------------------------
# Chi-Squared =          88.50 using 59 PHA bins.
# Reduced chi-squared =          1.553 for     57 degrees of freedom 
# Null hypothesis probability =   4.741462e-03
 
Photon flux (15-150 keV)    in 64 sec: 9.02604E-02 ( -0.0165077  0.0165175 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.51035e-07 ( -9.63277e-08  9.93862e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.000 sec. to   65.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.720374     ( -1.69194   0.968361 )
Epeak [keV] : 83.4834      (   )
Norm@50keV  : 1.76981E-03    (     )
------------------------------------------------------------
# Chi-Squared =          87.52 using 59 PHA bins.
# Reduced chi-squared =          1.563 for     56 degrees of freedom 
# Null hypothesis probability =   4.492088e-03
 
Photon flux (15-150 keV)    in 64 sec: 8.74990E-02 ( -0.017186  0.01712 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.18992e-07 ( -1.08715e-07  1.11787e-07 ) ergs/cm2
 
Band function
Time interval is from    1.000 sec. to   65.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.24834   ( -2.13082   -2.13082 )
beta        : -1.73940    ( 1.73963   0.496755 )
Epeak [keV] : 35.9251      ( -35.9248 89.1375 )
Norm@50keV   : 0.202801    ( -0.202868   8.98726 )
------------------------------------------------------------
# Chi-Squared =          86.94 using 59 PHA bins.
# Reduced chi-squared =          1.581 for     55 degrees of freedom 
# Null hypothesis probability =   3.904495e-03
 
Photon flux (15-150 keV)    in 64 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]    : 13.8207  (-2.91864  3.97944)
R^2/D10^2   : 1.38367E-02  (-0.00807918   0.0179316)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          91.76 using 59 PHA bins.
# Reduced chi-squared =          1.610 for     57 degrees of freedom 
# Null hypothesis probability =   2.399485e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.577e-08   1.427e-08
25- 50  1.313e-07   4.176e-08
50-150  1.641e-07   7.066e-08
15-150  3.312e-07   1.050e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.359       (-199.918      -199.918)
Norm        : 0.369799       (-0.0671942     0.0672517)
------------------------------------------------------------
# Chi-Squared =          88.13 using 59 PHA bins.
# Reduced chi-squared =          1.546 for     57 degrees of freedom 
# Null hypothesis probability =   5.113347e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.893e-08   3.232e-08
25- 50  1.134e-07   6.301e-08
50-150  2.486e-07   1.400e-07
15-150  4.209e-07   2.364e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.40317        (-4.12408      4.56197)
R1^2/D10^2  : 5.23264E-02        (-0.0378305      0.334068)
kT2 [keV]   : 29.3101        (-24.0782      -29.3187)
R2^2/D10^2  : 7.25110E-04    (-0.000713853   0.00749014)
------------------------------------------------------------
# Chi-Squared =          86.70 using 59 PHA bins.
# Reduced chi-squared =          1.576 for     55 degrees of freedom 
# Null hypothesis probability =   4.105932e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.057e-08   2.934e-08
25- 50  1.228e-07   6.662e-08
50-150  2.625e-07   1.596e-07
15-150  4.359e-07   2.549e-07

Peak spectrum fit

Power-law model
Time interval is from    8.500 sec. to    9.500 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.11462     ( -1.11813   2.83809 )
Norm@50keV  : 1.10975E-03    ( -0.00110977   0.00109008 )
------------------------------------------------------------
# Chi-Squared =          52.76 using 59 PHA bins.
# Reduced chi-squared =         0.9256 for     57 degrees of freedom 
# Null hypothesis probability =   6.348749e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.128955 ( -0.128955  0.129094 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.15394e-08 ( -1.15392e-08  1.29773e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    8.500 sec. to    9.500 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.133162     ( -0.140295   -0.140295 )
Epeak [keV] : 96.4997      ( -97.1884 -97.1884 )
Norm@50keV  : 3.44339E-03    ( -0.00337938   16.1755 )
------------------------------------------------------------
# Chi-Squared =          52.63 using 59 PHA bins.
# Reduced chi-squared =         0.9398 for     56 degrees of freedom 
# Null hypothesis probability =   6.033504e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.125599 ( -0.125599  0.129346 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07849e-08 ( -1.07849e-08  1.33875e-08 ) ergs/cm2
 
Band function
Time interval is from    8.500 sec. to    9.500 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -9.03992E-02   ( -1.8431   0.565525 )
beta        : -10.00000    ( 3.41278e+11   3.41278e+11 )
Epeak [keV] : 92.3139      ( -84.2177 -96.2342 )
Norm@50keV   : 3.69572E-03    ( -0.00340491   13.6314 )
------------------------------------------------------------
# Chi-Squared =          52.63 using 59 PHA bins.
# Reduced chi-squared =         0.9569 for     55 degrees of freedom 
# Null hypothesis probability =   5.657809e-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]    : 20.4746  (-20.5288  -20.5288)
R^2/D10^2   : 5.68547E-03  (-0.00564356   1.71407)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          52.83 using 59 PHA bins.
# Reduced chi-squared =         0.9268 for     57 degrees of freedom 
# Null hypothesis probability =   6.322273e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.551e-10   4.321e-10
25- 50  2.302e-09   1.937e-09
50-150  7.175e-09   6.300e-09
15-150  9.932e-09   8.480e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-199.966      -199.966)
Norm        : 0.526527       (-0.526685     0.530158)
------------------------------------------------------------
# Chi-Squared =          52.89 using 59 PHA bins.
# Reduced chi-squared =         0.9279 for     57 degrees of freedom 
# Null hypothesis probability =   6.299326e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.311e-09   1.032e-09
25- 50  2.522e-09   2.219e-09
50-150  5.531e-09   4.641e-09
15-150  9.365e-09   8.240e-09
Double BB
R1^2/D10^2  : 8.46120E-02        (      )
kT2 [keV]   : 32.5268        (-32.6812      -32.6812)
R2^2/D10^2  : 9.98102E-04    (-0.000979812   4.8336)
------------------------------------------------------------
# Chi-Squared =          52.83 using 59 PHA bins.
# Chi-Squared =          52.41 using 59 PHA bins.
# Chi-Squared =          52.36 using 59 PHA bins.
# Reduced chi-squared =         0.9605 for     55 degrees of freedom 
# Reduced chi-squared =         0.9530 for     55 degrees of freedom 
# Reduced chi-squared =         0.9520 for     55 degrees of freedom 
# Null hypothesis probability =   5.580289e-01
# Null hypothesis probability =   5.741018e-01
# Null hypothesis probability =   5.760384e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Fri Apr 23 00:05:37 EDT 2010