batgrbproduct Analysis for Trigger=607506

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jul 29 18:47:34 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger607506/GCN5_download_cron
======================================================================

  Trigger: 00607506      Segment: 000

  BAT Trigger Time: 428356480   [s; MET]
      Trigger Stop: 428356544   [s; MET]
               UTC: 2014-07-29T19:54:27.671780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 150.766349571682   Dec: -26.0278547178017  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.92
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.92

  Flight Position:   [ source = BAT ]
    RA: 150.766349571682   Dec: -26.0278547178017  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 150.759073868325   Dec: -25.9902775843418  [deg; J2000]  
        { 10h 03m 02.2s , -25d 59' 25.0" }
         +/- 4.96347485124418 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.55172050020153 [arcmin] (formal 1-sigma fit error)
    SNR: 3.08417227592691
 
  Angular difference between Flight and Ground position is 2.288509 arcmin
 
  Partial Coding Fraction: 0.359375    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.183805   0.329091   0.021456  -0.012631
           0.070705   0.073401   0.065112   0.060347 [error]
 Peak      0.183805   0.329091   0.021456  -0.012631
           0.070705   0.073401   0.065112   0.060347 [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 1.03e-07 1.00e-07 6.85e-08 7.34e-08 3.01e-07 3.46e-07   erg/cm2
              Error 3.97e-08 3.95e-08 5.03e-08 1.14e-07 1.26e-07 1.89e-07   erg/cm2
Peak flux Power-law 5.42e-02 2.96e-02 1.01e-02 4.47e-03 9.63e-02 9.84e-02   ph/cm2/s
              Error 2.14e-02 1.12e-02 7.16e-03 6.47e-03 3.21e-02 3.31e-02   ph/cm2/s
 
Fluence   Cutoff-PL 9.17e-08 1.38e-07 1.85e-08 4.30e-11 2.48e-07 2.49e-07   erg/cm2
              Error 6.91e-08 4.43e-08 4.48e-08 2.88e-08 9.61e-08 9.67e-08   erg/cm2
Peak flux Cutoff-PL 4.62e-02 4.15e-02 3.18e-03 3.96e-06 9.09e-02 9.09e-02   ph/cm2/s
              Error 3.57e-02 1.71e-02 6.76e-03 1.90e-03 3.87e-02 3.87e-02   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    2.552    0.729    -      -           4.75e-04 2.62e-04   61.860 57
CPL  -2.947    1.004      28.4   18.5      2.29e+00 0.00e+00   58.930 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.552    0.729    -      -           4.75e-04 2.62e-04   61.860 57
CPL  -2.947    1.004      28.4   18.5      2.29e+00 0.00e+00   58.930 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    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  150.7591 -25.9903 0.0623   46.7 -165.1       0.4654     3.1  TRIG_00607506       
------------------------------------------
 
Foreground time interval of the image:
  0.000  36.580 (delta_t =  36.580 [sec])
 38.000  64.000 (delta_t =  26.000 [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 36.580000
38.000000 64.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.55159     ( -0.625472   0.831551 )
Norm@50keV  : 4.74837E-04    ( -0.000257741   0.000267132 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.86 using 59 PHA bins.
# Reduced chi-squared =          1.085 for     57 degrees of freedom 
# Null hypothesis probability =   3.069557e-01
 
Photon flux (15-150 keV)    in 62.58 sec: 9.63071E-02 ( -0.0320872  0.0321383 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.01364e-07 ( -1.19209e-07  1.33098e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 36.580000
38.000000 64.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.94734     ( 1.58667   3.59525 )
Epeak [keV] : 28.3795      ( -27.8037 9.21148 )
Norm@50keV  : 2.28831    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.93 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     56 degrees of freedom 
# Null hypothesis probability =   3.687460e-01
 
Photon flux (15-150 keV)    in 62.58 sec: 9.09027E-02 ( -0.0459859  0.0314043 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.48434e-07 ( -8.66314e-08  1.05499e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 36.580000
38.000000 64.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.04492   ( -4.65721   -3.30465 )
beta        : -9.37167    ( 9.37162   19.3382 )
Epeak [keV] : 28.5590      ( -6.60564 7.40037 )
Norm@50keV   : 2.60483    ( -2.60492   25.6951 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.94 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     55 degrees of freedom 
# Null hypothesis probability =   3.335788e-01
 
Photon flux (15-150 keV)    in 62.58 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]    : 7.12485  (-1.83414  2.37179)
R^2/D10^2   : 0.183251  (-0.183251   0.45442)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.98 using 59 PHA bins.
# Reduced chi-squared =          1.035 for     57 degrees of freedom 
# Null hypothesis probability =   4.029780e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.522e-08   5.751e-08
25- 50  1.349e-07   8.473e-08
50-150  2.382e-08   1.928e-08
15-150  2.540e-07   1.511e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 27.5732       (-13.2354      34.3807)
Norm        : 0.856405       (-0.424327     0.947184)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.40 using 59 PHA bins.
# Reduced chi-squared =          1.060 for     57 degrees of freedom 
# Null hypothesis probability =   3.540520e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.042e-07   5.862e-08
25- 50  1.135e-07   7.100e-08
50-150  5.546e-08   4.922e-08
15-150  2.731e-07   1.804e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 200.000        (      )
R1^2/D10^2  : 1.96962E-06        (-1.96966e-06      -1.96966e-06)
kT2 [keV]   : 7.02149        (-1.83555      2.39642)
R2^2/D10^2  : 0.192586    (-0.13661   0.491232)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.98 using 59 PHA bins.
#Fit statistic : Chi-Squared =          58.85 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     55 degrees of freedom 
# Reduced chi-squared =          1.070 for     55 degrees of freedom 
# Null hypothesis probability =   3.321402e-01
# Null hypothesis probability =   3.364873e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.529e-08   8.614e-02
25- 50  1.357e-07   8.304e-01
50-150  2.421e-08   2.125e+01
15-150  2.552e-07   2.032e+01

Peak spectrum fit

Power-law model
Time interval is from   38.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.55159     ( -0.625472   0.831551 )
Norm@50keV  : 4.74837E-04    ( -0.000257741   0.000267132 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.86 using 59 PHA bins.
# Reduced chi-squared =          1.085 for     57 degrees of freedom 
# Null hypothesis probability =   3.069557e-01
 
Photon flux (15-150 keV)    in 62.58 sec: 9.63071E-02 ( -0.0320872  0.0321383 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.01364e-07 ( -1.19209e-07  1.33098e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   38.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.94734     ( 1.58667   3.59525 )
Epeak [keV] : 28.3795      ( -27.8037 9.21148 )
Norm@50keV  : 2.28831    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.93 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     56 degrees of freedom 
# Null hypothesis probability =   3.687460e-01
 
Photon flux (15-150 keV)    in 62.58 sec: 9.09027E-02 ( -0.0459859  0.0314043 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.48434e-07 ( -8.66314e-08  1.05499e-07 ) ergs/cm2
 
Band function
Time interval is from   38.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.04492   ( -4.65721   -3.30465 )
beta        : -9.37167    ( 9.37162   19.3382 )
Epeak [keV] : 28.5590      ( -6.60564 7.40037 )
Norm@50keV   : 2.60483    ( -2.60492   25.6951 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.94 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     55 degrees of freedom 
# Null hypothesis probability =   3.335788e-01
 
Photon flux (15-150 keV)    in 62.58 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]    : 7.12485  (-1.83414  2.37179)
R^2/D10^2   : 0.183251  (-0.183251   0.45442)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.98 using 59 PHA bins.
# Reduced chi-squared =          1.035 for     57 degrees of freedom 
# Null hypothesis probability =   4.029780e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.522e-08   5.864e-08
25- 50  1.349e-07   8.527e-08
50-150  2.382e-08   2.053e-08
15-150  2.540e-07   1.491e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 27.5732       (-13.2354      34.3807)
Norm        : 0.856405       (-0.424327     0.947184)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.40 using 59 PHA bins.
# Reduced chi-squared =          1.060 for     57 degrees of freedom 
# Null hypothesis probability =   3.540520e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.042e-07   6.110e-08
25- 50  1.135e-07   7.184e-08
50-150  5.546e-08   4.794e-08
15-150  2.731e-07   1.776e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 200.000        (      )
R1^2/D10^2  : 1.96962E-06        (-1.96966e-06      -1.96966e-06)
kT2 [keV]   : 7.02149        (-1.83555      2.39642)
R2^2/D10^2  : 0.192586    (-0.13661   0.491232)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.98 using 59 PHA bins.
#Fit statistic : Chi-Squared =          58.85 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     55 degrees of freedom 
# Reduced chi-squared =          1.070 for     55 degrees of freedom 
# Null hypothesis probability =   3.321402e-01
# Null hypothesis probability =   3.364873e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.529e-08   1.029e-01
25- 50  1.357e-07   7.682e-01
50-150  2.421e-08   2.064e+01
15-150  2.552e-07   2.301e+01
Plot creation:
Tue Jul 29 18:57:57 EDT 2014