batgrbproduct Analysis for Trigger=604675

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jul 16 15:31:33 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger604675/GCN5_download_cron
======================================================================

  Trigger: 00604675      Segment: 000

  BAT Trigger Time: 427151664   [s; MET]
      Trigger Stop: 427151984   [s; MET]
               UTC: 2014-07-15T21:14:11.730580    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 51.648674983384   Dec: 28.7170193370916  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    9.75
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    9.75

  Flight Position:   [ source = BAT ]
    RA: 51.648674983384   Dec: 28.7170193370916  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 51.6878878063432   Dec: 28.702553272909  [deg; J2000]  
        { 03h 26m 45.1s , +28d 42' 09.2" }
         +/- 2.60405344441145 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.91544890523353 [arcmin] (formal 1-sigma fit error)
    SNR: 7.75055528052148
 
  Angular difference between Flight and Ground position is 2.238641 arcmin
 
  Partial Coding Fraction: 1.03125    [ including projection effects ]

  Duration
     T90: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]
     T50: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 320 second)
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.130245   0.557707   0.090458   0.093224
           0.096620   0.098175   0.083796   0.070243 [error]
 Peak      1.130245   0.557707   0.090458   0.093224
           0.096620   0.098175   0.083796   0.070243 [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 3.08e-07 2.40e-07 1.25e-07 9.44e-08 7.16e-07 7.67e-07   erg/cm2
              Error 4.76e-08 4.94e-08 5.40e-08 7.41e-08 1.37e-07 1.76e-07   erg/cm2
Peak flux Power-law 3.22e-02 1.41e-02 3.68e-03 1.18e-03 5.07e-02 5.12e-02   ph/cm2/s
              Error 5.09e-03 2.77e-03 1.54e-03 8.72e-04 7.22e-03 7.37e-03   ph/cm2/s
 
Fluence   Cutoff-PL 3.10e-07 2.54e-07 7.68e-08 7.33e-09 6.47e-07 6.48e-07   erg/cm2
              Error 4.97e-08 5.86e-08 8.35e-08 7.85e-08 1.48e-07 1.88e-07   erg/cm2
Peak flux Cutoff-PL 3.22e-02 1.50e-02 2.39e-03 1.21e-04 4.97e-02 4.97e-02   ph/cm2/s
              Error 5.30e-03 3.31e-03 2.44e-03 9.57e-04 7.14e-03 7.16e-03   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.938    0.379    -      -           1.93e-04 6.25e-05   47.100 57
CPL   1.688    0.000       7.2    0.0      1.50e-03 0.00e+00   45.830 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.938    0.379    -      -           1.93e-04 6.25e-05   47.100 57
CPL   1.688    0.000       7.2    0.0      1.50e-03 0.00e+00   45.830 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  320.000    0.000  320.000
T90   320.000    0.000  320.000
T50   320.000    0.000  320.000
Peak  320.000    0.000  320.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   51.6879 +28.7026 0.0247   11.5 -150.4       1.7882     7.8  TRIG_00604675       
------------------------------------------
 
Foreground time interval of the image:
  0.000  40.630 (delta_t =  40.630 [sec])
 42.000  95.200 (delta_t =  53.200 [sec])
 96.000 320.000 (delta_t = 224.000 [sec])
Background time interval of the image:

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
Multiple GTIs in the spectrum
tstart tstop
0.000000 40.630000
42.000000 95.200000
96.000000 320.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.93781     ( -0.350675   0.406634 )
Norm@50keV  : 1.92765E-04    ( -6.03946e-05   6.466e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.10 using 59 PHA bins.
# Reduced chi-squared =         0.8263 for     57 degrees of freedom 
# Null hypothesis probability =   8.222565e-01
 
Photon flux (15-150 keV)    in 317.8 sec: 5.06855E-02 ( -0.00721149  0.00722717 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.15778e-07 ( -1.3238e-07  1.42532e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 40.630000
42.000000 95.200000
96.000000 320.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68824     (     )
Epeak [keV] : 7.15996      (   )
Norm@50keV  : 1.49880E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.83 using 59 PHA bins.
# Reduced chi-squared =         0.8184 for     56 degrees of freedom 
# Null hypothesis probability =   8.319692e-01
 
Photon flux (15-150 keV)    in 317.8 sec: 4.97127E-02 ( -0.007057  0.0072131 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.47216e-07 ( -1.23955e-07  1.71421e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 40.630000
42.000000 95.200000
96.000000 320.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.75127   ( 0.822496   2.75127 )
beta        : -2.93783    ( -0.406542   0.350495 )
Epeak [keV] : 40.4241      ( -40.4241 -40.4241 )
Norm@50keV   : 2.61991E-02    ( -0.00820809   0.00878859 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.10 using 59 PHA bins.
# Reduced chi-squared =         0.8563 for     55 degrees of freedom 
# Null hypothesis probability =   7.668739e-01
 
Photon flux (15-150 keV)    in 317.8 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]    : 5.17813  (-0.79881  0.96146)
R^2/D10^2   : 0.357358  (-0.191416   0.426928)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.14 using 59 PHA bins.
# Reduced chi-squared =         0.8797 for     57 degrees of freedom 
# Null hypothesis probability =   7.280706e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.171e-07   8.310e-08
25- 50  2.255e-07   7.297e-08
50-150  1.083e-08   7.164e-09
15-150  5.534e-07   1.503e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 18.5628       (-5.20842      7.56082)
Norm        : 0.672132       (-0.219067     0.376528)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.93 using 59 PHA bins.
# Reduced chi-squared =         0.8058 for     57 degrees of freedom 
# Null hypothesis probability =   8.529100e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.101e-07   6.694e-08
25- 50  2.559e-07   7.055e-08
50-150  6.743e-08   4.345e-08
15-150  6.335e-07   1.382e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.84331        (-1.27143      1.22799)
R1^2/D10^2  : 1.10089        (-0.757453      5.75064)
kT2 [keV]   : 10.6202        (-7.43572      12.2112)
R2^2/D10^2  : 7.85220E-03    (-0.00778878   0.093537)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.52 using 59 PHA bins.
# Reduced chi-squared =         0.8095 for     55 degrees of freedom 
# Null hypothesis probability =   8.428182e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.197e-07   1.661e-07
25- 50  2.416e-07   1.278e-07
50-150  9.844e-08   6.779e-08
15-150  6.597e-07   3.261e-07

Peak spectrum fit

Power-law model
Time interval is from   96.000 sec. to  320.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.93781     ( -0.350675   0.406634 )
Norm@50keV  : 1.92765E-04    ( -6.03946e-05   6.466e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.10 using 59 PHA bins.
# Reduced chi-squared =         0.8263 for     57 degrees of freedom 
# Null hypothesis probability =   8.222565e-01
 
Photon flux (15-150 keV)    in 317.8 sec: 5.06855E-02 ( -0.00721149  0.00722717 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.15778e-07 ( -1.3238e-07  1.42532e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   96.000 sec. to  320.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68824     (     )
Epeak [keV] : 7.15996      (   )
Norm@50keV  : 1.49880E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.83 using 59 PHA bins.
# Reduced chi-squared =         0.8184 for     56 degrees of freedom 
# Null hypothesis probability =   8.319692e-01
 
Photon flux (15-150 keV)    in 317.8 sec: 4.97127E-02 ( -0.0070571  0.0072132 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.47216e-07 ( -1.23955e-07  1.71421e-07 ) ergs/cm2
 
Band function
Time interval is from   96.000 sec. to  320.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.75127   ( 0.822496   2.75127 )
beta        : -2.93783    ( -0.406542   0.350495 )
Epeak [keV] : 40.4241      ( -40.4241 -40.4241 )
Norm@50keV   : 2.61991E-02    ( -0.00820809   0.00878859 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.10 using 59 PHA bins.
# Reduced chi-squared =         0.8563 for     55 degrees of freedom 
# Null hypothesis probability =   7.668739e-01
 
Photon flux (15-150 keV)    in 317.8 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]    : 5.17813  (-0.79881  0.96146)
R^2/D10^2   : 0.357358  (-0.191416   0.426928)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.14 using 59 PHA bins.
# Reduced chi-squared =         0.8797 for     57 degrees of freedom 
# Null hypothesis probability =   7.280706e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.171e-07   7.961e-08
25- 50  2.255e-07   6.768e-08
50-150  1.083e-08   7.148e-09
15-150  5.534e-07   1.408e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 18.5628       (-5.20842      7.56082)
Norm        : 0.672132       (-0.219067     0.376528)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.93 using 59 PHA bins.
# Reduced chi-squared =         0.8058 for     57 degrees of freedom 
# Null hypothesis probability =   8.529100e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.101e-07   6.234e-08
25- 50  2.559e-07   6.748e-08
50-150  6.743e-08   3.992e-08
15-150  6.335e-07   1.494e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.84331        (-1.27143      1.22799)
R1^2/D10^2  : 1.10089        (-0.757453      5.75064)
kT2 [keV]   : 10.6202        (-5.34461      12.2232)
R2^2/D10^2  : 7.85220E-03    (-0.00778878   0.093537)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.52 using 59 PHA bins.
# Reduced chi-squared =         0.8095 for     55 degrees of freedom 
# Null hypothesis probability =   8.428182e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.197e-07   1.745e-07
25- 50  2.416e-07   1.327e-07
50-150  9.844e-08   6.780e-08
15-150  6.597e-07   3.300e-07
Plot creation:
Wed Jul 16 15:35:51 EDT 2014