batgrbproduct Analysis for Trigger=411412

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Sun Feb  7 10:33:29 EST 2010
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger411412/GCN5_download_cron
======================================================================

  Trigger: 00411412      Segment: 000

  BAT Trigger Time: 287155810.88   [s; MET]
      Trigger Stop: 287155811.008   [s; MET]
               UTC: 2010-02-06T13:30:05.374220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 47.1767399510983   Dec: 13.1679638316509  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.02
     Image Trigger?:     NO
     Rate S/N Ratio:     58.1807528311554  [ if not an image trigger ]
     Image S/N Ratio:    14.02

  Flight Position:   [ source = BAT ]
    RA: 47.1767399510983   Dec: 13.1679638316509  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 47.1670578230908   Dec: 13.1751003041134  [deg; J2000]  
        { 03h 08m 40.1s , +13d 10' 30.4" }
         +/- 1.46973063489019 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.612851720769388 [arcmin] (formal 1-sigma fit error)
    SNR: 17.5471792814494
 
  Angular difference between Flight and Ground position is 0.709436 arcmin
 
  Partial Coding Fraction: 0.515625    [ including projection effects ]

  Duration
     T90: 0.119999945163727 +/- 0.0215406475404197
        Measured from: -0.00399988889694214
                   to: 0.116000056266785     [s; relative to TRIGTIME]
     T50: 0.0559999942779541 +/- 0.0113136892801003
        Measured from: 0.0200001001358032
                   to: 0.0760000944137573     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.439999997615814     
                   to: 0.560000002384186     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.00800001621246338     
                   to: 0.124000012874603     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.025328   0.048775   0.068450   0.028521
           0.003732   0.004946   0.005961   0.005336 [error]
 Peak      0.024622   0.049629   0.068490   0.028280
           0.003776   0.005000   0.005997   0.005361 [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 6.37e-09 2.00e-08 5.14e-08 3.79e-07 1.40e-07 4.57e-07   erg/cm2
              Error 1.27e-09 2.37e-09 5.30e-09 9.28e-08 1.51e-08 9.55e-08   erg/cm2
Peak flux Power-law 2.78e-01 4.15e-01 4.63e-01 9.77e-01 1.45e+00 2.13e+00   ph/cm2/s
              Error 8.61e-02 7.63e-02 7.29e-02 3.54e-01 2.09e-01 3.81e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.27e-09 2.01e-08 5.18e-08 3.49e-07 1.39e-07 4.27e-07   erg/cm2
              Error 1.48e-09 2.52e-09 6.20e-09 2.38e-07 1.34e-08 1.62e-07   erg/cm2
Peak flux Cutoff-PL 2.78e-01 4.15e-01 4.63e-01 9.70e-01 1.45e+00 2.13e+00   ph/cm2/s
              Error 8.61e-02 7.64e-02 7.30e-02 3.52e-01 2.09e-01 3.79e-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    0.637    0.168    -      -           8.42e-02 8.16e-03   41.250 57
CPL   0.629    0.460    10000.0    0.0      8.49e-02 8.17e-03   41.250 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.842    0.268    -      -           1.26e-02 1.83e-03   63.690 57
CPL   0.841    0.270    9999.4    0.0      1.27e-02 1.54e-02   63.700 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: 0.128000 sec.
T50 in the 50-300 keV band: 0.064000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.132   -0.008    0.124
T90     0.120   -0.004    0.116
T50     0.056    0.020    0.076
Peak    1.000   -0.440    0.560

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   47.1671 +13.1751 0.0110   26.2   65.4       0.1700    17.5  TRIG_00411412       
------------------------------------------
 
Foreground time interval of the image:
 -0.008   0.124 (delta_t =   0.132 [sec])
Background time interval of the image:
-149.679  -0.008 (delta_t = 149.671 [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   -0.008 sec. to    0.124 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.637200     ( -0.169915   0.165131 )
Norm@50keV  : 8.42258E-02    ( -0.00818618   0.00813213 )
------------------------------------------------------------
# Chi-Squared =          41.25 using 59 PHA bins.
# Reduced chi-squared =         0.7237 for     57 degrees of freedom 
# Null hypothesis probability =   9.422586e-01
 
Photon flux (15-150 keV)    in 0.132 sec: 9.79232 ( -0.920653  0.920771 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39686e-07 ( -1.5096e-08  1.51813e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.008 sec. to    0.124 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.628957     ( -0.708496   0.211137 )
Epeak [keV] : 10000.00      (   )
Norm@50keV  : 8.49233E-02    ( -0.00819948   0.00814758 )
------------------------------------------------------------
# Chi-Squared =          41.25 using 59 PHA bins.
# Reduced chi-squared =         0.7365 for     56 degrees of freedom 
# Null hypothesis probability =   9.299226e-01
 
Photon flux (15-150 keV)    in 0.132 sec: 9.78026 ( -0.91942  0.92644 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.395e-07 ( -1.54029e-08  1.13969e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.008 sec. to    0.124 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.09083   ( 1.09083   1.09083 )
beta        : -0.637201    ( -0.165113   0.169911 )
Epeak [keV] : 12.4924      ( -12.4924 -12.4924 )
Norm@50keV   : 0.120420    ( -0.047424   90038.1 )
------------------------------------------------------------
# Chi-Squared =          41.25 using 59 PHA bins.
# Reduced chi-squared =         0.7500 for     55 degrees of freedom 
# Null hypothesis probability =   9.153445e-01
 
Photon flux (15-150 keV)    in 0.132 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]    : 27.6985  (-3.76819  4.77722)
R^2/D10^2   : 0.193081  (-0.0683864   0.0981798)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          56.74 using 59 PHA bins.
# Reduced chi-squared =         0.9954 for     57 degrees of freedom 
# Null hypothesis probability =   4.849228e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.209e-09   5.881e-10
25- 50  1.912e-08   2.805e-09
50-150  1.065e-07   1.641e-08
15-150  1.288e-07   1.892e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.998       (      )
Norm        : 32.8660       (-32.866     -32.866)
------------------------------------------------------------
# Chi-Squared =         111.35 using 59 PHA bins.
# Reduced chi-squared =         1.9535 for     57 degrees of freedom 
# Null hypothesis probability =   2.239254e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.080e-08   5.866e-09
25- 50  2.078e-08   1.137e-08
50-150  4.556e-08   2.508e-08
15-150  7.714e-08   4.200e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.22885        (-3.75933      6.31684)
R1^2/D10^2  : 2.14430        (-1.52697      5.28367)
kT2 [keV]   : 45.7769        (-13.5431      138.121)
R2^2/D10^2  : 4.33549E-02    (-0.0386799   0.0728424)
------------------------------------------------------------
# Chi-Squared =          40.94 using 59 PHA bins.
# Reduced chi-squared =         0.7444 for     55 degrees of freedom 
# Null hypothesis probability =   9.207958e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.153e-09   3.364e-09
25- 50  2.041e-08   1.008e-08
50-150  1.150e-07   5.977e-08
15-150  1.416e-07   7.093e-08

Peak spectrum fit

Power-law model
Time interval is from   -0.440 sec. to    0.560 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.842159     ( -0.274711   0.26064 )
Norm@50keV  : 1.26391E-02    ( -0.00183602   0.00182486 )
------------------------------------------------------------
# Chi-Squared =          63.69 using 59 PHA bins.
# Reduced chi-squared =          1.117 for     57 degrees of freedom 
# Null hypothesis probability =   2.527808e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.45104 ( -0.208768  0.209033 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.45144e-07 ( -2.36094e-08  2.39435e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.440 sec. to    0.560 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.841371     ( -0.280943   0.258765 )
Epeak [keV] : 9999.36      ( -9998.3 -9998.3 )
Norm@50keV  : 1.27234E-02    ( -0.0127202   0.0180064 )
------------------------------------------------------------
# Chi-Squared =          63.70 using 59 PHA bins.
# Reduced chi-squared =          1.137 for     56 degrees of freedom 
# Null hypothesis probability =   2.239453e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.45062 ( -0.20871  0.20898 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.45175e-07 ( -2.3625e-08  2.3957e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.440 sec. to    0.560 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99999   ( -342561   -342561 )
beta        : -0.927887    ( -0.264642   0.278386 )
Epeak [keV] : 30.0762      ( -30.0418 8.85333 )
Norm@50keV   : 266.912    ( -269.637   1.37323e+06 )
------------------------------------------------------------
# Chi-Squared =          63.04 using 59 PHA bins.
# Reduced chi-squared =          1.146 for     55 degrees of freedom 
# Null hypothesis probability =   2.132483e-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]    : 24.8822  (-5.26902  7.547)
R^2/D10^2   : 3.62144E-02  (-0.0191262   0.0374195)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          74.04 using 59 PHA bins.
# Reduced chi-squared =          1.299 for     57 degrees of freedom 
# Null hypothesis probability =   6.415134e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.905e-09   1.238e-09
25- 50  2.210e-08   6.825e-09
50-150  1.015e-07   2.962e-08
15-150  1.275e-07   3.202e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.998       (      )
Norm        : 5.51395       (-5.51395     -5.51395)
------------------------------------------------------------
# Chi-Squared =          82.40 using 59 PHA bins.
# Reduced chi-squared =          1.446 for     57 degrees of freedom 
# Null hypothesis probability =   1.553502e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.372e-08   7.720e-09
25- 50  2.639e-08   1.473e-08
50-150  5.789e-08   3.198e-08
15-150  9.800e-08   5.380e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.35685        (-3.09431      4.69012)
R1^2/D10^2  : 0.595402        (-0.437612      2.14247)
kT2 [keV]   : 45.3362        (-16.5958      129.435)
R2^2/D10^2  : 5.92247E-03    (-0.00552524   0.0153704)
------------------------------------------------------------
# Chi-Squared =          62.17 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     55 degrees of freedom 
# Null hypothesis probability =   2.360804e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.184e-09   5.190e-09
25- 50  2.473e-08   1.299e-08
50-150  1.161e-07   6.255e-08
15-150  1.500e-07   7.990e-08
Plot creation:
Sun Feb  7 10:57:56 EST 2010