batgrbproduct Analysis for Trigger=555600

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun May 12 08:40:48 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger555600/GCN5_download_cron
======================================================================

  Trigger: 00555600      Segment: 000

  BAT Trigger Time: 389964657.984   [s; MET]
      Trigger Stop: 389964658.496   [s; MET]
               UTC: 2013-05-11T11:30:47.441540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 196.638702463752   Dec: 18.6976486270083  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.07
     Image Trigger?:     NO
     Rate S/N Ratio:     17.0293863659264  [ if not an image trigger ]
     Image S/N Ratio:    9.07

  Flight Position:   [ source = BAT ]
    RA: 196.638702463752   Dec: 18.6976486270083  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 196.653489157516   Dec: 18.7060113743111  [deg; J2000]  
        { 13h 06m 36.8s , +18d 42' 21.6" }
         +/- 2.26952800812972 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.33492716766462 [arcmin] (formal 1-sigma fit error)
    SNR: 9.43276527383096
 
  Angular difference between Flight and Ground position is 0.978759 arcmin
 
  Partial Coding Fraction: 0.5703125    [ including projection effects ]

  Duration
     T90: 5.42799991369247 +/- 2.21218447342499
        Measured from: -0.00399988889694214
                   to: 5.42400002479553     [s; relative to TRIGTIME]
     T50: 2.39599996805191 +/- 0.807534529410091
        Measured from: 0.212000072002411
                   to: 2.60800004005432     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0860000252723694     
                   to: 0.913999974727631     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0720000267028809     
                   to: 5.9879999756813     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.106186   0.125234   0.089873   0.053238
           0.019170   0.019977   0.017748   0.016522 [error]
 Peak      0.050127   0.060517   0.048207   0.011670
           0.008412   0.009046   0.008099   0.007026 [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 2.47e-08 5.02e-08 7.96e-08 2.80e-07 2.21e-07 4.35e-07   erg/cm2
              Error 7.48e-09 9.12e-09 1.74e-08 1.38e-07 4.30e-08 1.50e-07   erg/cm2
Peak flux Power-law 3.98e-01 4.15e-01 3.07e-01 3.65e-01 1.26e+00 1.48e+00   ph/cm2/s
              Error 1.09e-01 7.16e-02 6.46e-02 1.57e-01 2.07e-01 2.52e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.49e-08 5.03e-08 7.94e-08 2.76e-07 2.20e-07 4.30e-07   erg/cm2
              Error 7.55e-09 9.47e-09 1.75e-08 1.78e-07 4.33e-08 1.45e-07   erg/cm2
Peak flux Cutoff-PL 3.90e-01 4.24e-01 3.10e-01 2.91e-01 1.25e+00 1.41e+00   ph/cm2/s
              Error 1.18e-01 8.45e-02 5.26e-02 2.33e-01 2.10e-01 3.13e-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    1.335    0.307    -      -           3.72e-03 6.35e-04   49.630 57
CPL   1.331    0.389    9999.2    0.0      3.73e-03 3.83e-03   49.640 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.438    0.281    -      -           1.03e-02 1.73e-03   65.060 57
CPL   1.276    1.110     210.4    0.0      1.25e-02 2.09e-02   64.970 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: 3.008000 sec.
T50 in the 50-300 keV band: 1.792000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    6.060   -0.072    5.988
T90     5.428   -0.004    5.424
T50     2.396    0.212    2.608
Peak    1.000   -0.086    0.914

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  196.6535 +18.7060 0.0203   23.4   64.3       0.3475     9.4  TRIG_00555600       
------------------------------------------
 
Foreground time interval of the image:
 -0.072   5.988 (delta_t =   6.060 [sec])
Background time interval of the image:
-239.984 -171.954 (delta_t =  68.030 [sec])
-170.984  -0.072 (delta_t = 170.912 [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   -0.072 sec. to    5.988 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.33470     ( -0.310217   0.30456 )
Norm@50keV  : 3.72285E-03    ( -0.000636351   0.000632787 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.63 using 59 PHA bins.
# Reduced chi-squared =         0.8707 for     57 degrees of freedom 
# Null hypothesis probability =   7.451093e-01
 
Photon flux (15-150 keV)    in 6.06 sec: 0.447110 ( -0.0763669  0.0765078 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.2111e-07 ( -4.2539e-08  4.33628e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.072 sec. to    5.988 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.33058     ( -0.470952   0.306987 )
Epeak [keV] : 9999.17      ( -9999.35 -9999.35 )
Norm@50keV  : 3.73276E-03    ( -0.000631256   0.00702263 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.64 using 59 PHA bins.
# Reduced chi-squared =         0.8864 for     56 degrees of freedom 
# Null hypothesis probability =   7.129746e-01
 
Photon flux (15-150 keV)    in 6.06 sec: 0.447466 ( -0.076693  0.075986 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.20351e-07 ( -4.31454e-08  4.34811e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.072 sec. to    5.988 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.87325   ( -4.87325   -4.87325 )
beta        : -1.46826    ( -0.425534   0.361317 )
Epeak [keV] : 26.4289      ( -26.4289 7.11095 )
Norm@50keV   : 206.346    ( -34.4478   1.57867e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.49 using 59 PHA bins.
# Reduced chi-squared =         0.8817 for     55 degrees of freedom 
# Null hypothesis probability =   7.198523e-01
 
Photon flux (15-150 keV)    in 6.06 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]    : 15.8218  (-3.7823  5.46564)
R^2/D10^2   : 4.19138E-02  (-0.0261041   0.0652825)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.75 using 59 PHA bins.
# Reduced chi-squared =          1.083 for     57 degrees of freedom 
# Null hypothesis probability =   3.101896e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.318e-08   4.954e-09
25- 50  5.492e-08   1.748e-08
50-150  9.569e-08   3.615e-08
15-150  1.638e-07   4.793e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 1.83563       (-0.311135     0.311121)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.34 using 59 PHA bins.
# Reduced chi-squared =         0.9008 for     57 degrees of freedom 
# Null hypothesis probability =   6.862430e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.770e-08   1.605e-08
25- 50  5.329e-08   3.060e-08
50-150  1.169e-07   6.511e-08
15-150  1.979e-07   1.110e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.47697        (-2.63178      2.86017)
R1^2/D10^2  : 0.411580        (-0.31045      1.47235)
kT2 [keV]   : 41.4817        (-33.8255      -41.5011)
R2^2/D10^2  : 1.62769E-03    (-0.00156696   0.010084)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.38 using 59 PHA bins.
# Reduced chi-squared =         0.8797 for     55 degrees of freedom 
# Null hypothesis probability =   7.237130e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.600e-08   1.524e-08
25- 50  5.172e-08   2.915e-08
50-150  1.546e-07   8.411e-08
15-150  2.323e-07   1.203e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.086 sec. to    0.914 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.43833     ( -0.280758   0.280829 )
Norm@50keV  : 1.02587E-02    ( -0.00173504   0.00171701 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.06 using 59 PHA bins.
# Reduced chi-squared =          1.141 for     57 degrees of freedom 
# Null hypothesis probability =   2.166065e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.26062 ( -0.206628  0.206804 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.83829e-08 ( -1.83452e-08  1.87016e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.086 sec. to    0.914 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.27617     ( -1.13419   1.08639 )
Epeak [keV] : 210.429      ( -210.469 -210.469 )
Norm@50keV  : 1.25436E-02    ( -0.00396884   0.0378049 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.97 using 59 PHA bins.
# Reduced chi-squared =          1.160 for     56 degrees of freedom 
# Null hypothesis probability =   1.924747e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.25372 ( -0.20996  0.21027 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.6868e-08 ( -2.0788e-08  1.9937e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.086 sec. to    0.914 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99648   ( -4.99648   -4.99648 )
beta        : -1.62802    ( -0.444523   0.343147 )
Epeak [keV] : 26.2996      ( -26.2996 6.77342 )
Norm@50keV   : 807.901    ( -129.455   1.97438e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.44 using 59 PHA bins.
# Reduced chi-squared =          1.135 for     55 degrees of freedom 
# Null hypothesis probability =   2.288671e-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]    : 13.5571  (-2.97702  4.21488)
R^2/D10^2   : 0.202735  (-0.201576   0.285269)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.80 using 59 PHA bins.
# Reduced chi-squared =          1.330 for     57 degrees of freedom 
# Null hypothesis probability =   4.864070e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.891e-09   2.761e-09
25- 50  2.841e-08   8.000e-09
50-150  3.380e-08   1.354e-08
15-150  7.010e-08   1.859e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-90.5864      -199.363)
Norm        : 5.17720       (-0.841196     0.841189)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.30 using 59 PHA bins.
# Reduced chi-squared =          1.146 for     57 degrees of freedom 
# Null hypothesis probability =   2.105176e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.289e-08   7.360e-09
25- 50  2.480e-08   1.415e-08
50-150  5.439e-08   3.095e-08
15-150  9.208e-08   5.235e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.65270        (-2.22846      2.88894)
R1^2/D10^2  : 1.13004        (-0.740107      2.4924)
kT2 [keV]   : 36.4476        (-29.0855      -36.451)
R2^2/D10^2  : 5.68709E-03    (-0.00511967   0.028543)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.30 using 59 PHA bins.
# Reduced chi-squared =          1.133 for     55 degrees of freedom 
# Null hypothesis probability =   2.325955e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.260e-08   7.255e-09
25- 50  2.559e-08   1.379e-08
50-150  6.270e-08   3.386e-08
15-150  1.009e-07   5.205e-08
Plot creation:
Sun May 12 08:56:14 EDT 2013