batgrbproduct Analysis for Trigger=635792

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Mar 23 01:21:48 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger635792/GCN5_download_cron
======================================================================

  Trigger: 00635792      Segment: 000

  BAT Trigger Time: 448706648   [s; MET]
      Trigger Stop: 448706712   [s; MET]
               UTC: 2015-03-22T08:43:54.657180    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 83.9676941762152   Dec: 21.7341972098307  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    20.29
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    20.29

  Flight Position:   [ source = BAT ]
    RA: 83.9676941762152   Dec: 21.7341972098307  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 83.974335495143   Dec: 21.7403126188237  [deg; J2000]  
        { 05h 35m 53.8s , +21d 44' 25.1" }
         +/- 1.13250510030398 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.460170905171917 [arcmin] (formal 1-sigma fit error)
    SNR: 25.4635025874987
 
  Angular difference between Flight and Ground position is 0.521191 arcmin
 
  Partial Coding Fraction: 0.6953125    [ 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     1.044249   1.020537   0.480379   0.050019
           0.053834   0.055194   0.046312   0.038990 [error]
 Peak      1.044249   1.020537   0.480379   0.050019
           0.053834   0.055194   0.046312   0.038990 [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 3.52e-07 4.41e-07 4.02e-07 6.39e-07 1.41e-06 1.83e-06   erg/cm2
              Error 3.44e-08 2.84e-08 4.64e-08 1.48e-07 1.04e-07 1.96e-07   erg/cm2
Peak flux Power-law 1.80e-01 1.25e-01 5.69e-02 3.61e-02 3.79e-01 3.97e-01   ph/cm2/s
              Error 1.80e-02 8.01e-03 6.32e-03 7.80e-03 2.50e-02 2.56e-02   ph/cm2/s
 
Fluence   Cutoff-PL 3.46e-07 4.49e-07 4.00e-07 4.75e-07 1.39e-06 1.67e-06   erg/cm2
              Error 2.92e-08 2.75e-08 4.83e-08 -------- 1.21e-07 3.25e-07   erg/cm2
Peak flux Cutoff-PL 1.76e-01 1.27e-01 5.68e-02 2.86e-02 3.75e-01 3.88e-01   ph/cm2/s
              Error 1.55e-02 9.82e-03 6.51e-03 1.39e-02 2.67e-02 3.23e-02   ph/cm2/s
 
Fluence        Band 3.37e-07 4.53e-07 3.92e-07 5.70e-07 1.39e-06 1.76e-06   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    2.133    0.132    -      -           2.37e-03 1.95e-04   58.520 57
CPL   1.954    0.270      11.5   -0.1      2.98e-03 0.00e+00   58.190 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.133    0.132    -      -           2.37e-03 1.95e-04   58.520 57
CPL   1.954    0.270      11.5   -0.1      2.98e-03 0.00e+00   58.190 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
   83.9743 +21.7403 0.0076   32.9  -28.7       2.6661    25.5  TRIG_00635792       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [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
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.13297     ( -0.129237   0.134036 )
Norm@50keV  : 2.36826E-03    ( -0.00019627   0.000192942 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.52 using 59 PHA bins.
# Reduced chi-squared =          1.027 for     57 degrees of freedom 
# Null hypothesis probability =   4.193101e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.378767 ( -0.0249796  0.0250372 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.41307e-06 ( -1.03874e-07  1.04986e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.95364     ( -0.516397   0.0245982 )
Epeak [keV] : 11.4537      ( -9.17817 -9.33313 )
Norm@50keV  : 2.98220E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.19 using 59 PHA bins.
# Reduced chi-squared =          1.039 for     56 degrees of freedom 
# Null hypothesis probability =   3.947179e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.375430 ( -0.026674  0.026672 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39092e-06 ( -1.22426e-07  1.20499e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.96349   ( 1.90458   0.105408 )
beta        : -10.0000    ( 10   20 )
Epeak [keV] : 9.32432      ( -5.12737 27.7381 )
Norm@50keV   : 2.94570E-03    ( -0.00045807   0.00276788 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.19 using 59 PHA bins.
# Reduced chi-squared =          1.058 for     55 degrees of freedom 
# Null hypothesis probability =   3.588039e-01
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.38805e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.38446  (  )
R^2/D10^2   : 0.211362  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         117.44 using 59 PHA bins.
# Reduced chi-squared =         2.0603 for     57 degrees of freedom 
# Null hypothesis probability =   4.413945e-06
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.367e-07   2.835e-08
25- 50  5.363e-07   4.086e-08
50-150  2.322e-07   4.566e-08
15-150  1.005e-06   7.840e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 57.7462       (-10.5074      13.8933)
Norm        : 1.97468       (-0.23147     0.249884)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.16 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     57 degrees of freedom 
# Null hypothesis probability =   2.975974e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.156e-07   2.986e-08
25- 50  4.746e-07   3.411e-08
50-150  5.229e-07   9.120e-08
15-150  1.313e-06   1.088e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.85353        (-0.930067      0.950666)
R1^2/D10^2  : 1.04992        (-0.452873      1.01324)
kT2 [keV]   : 21.2043        (-4.30456      6.83018)
R2^2/D10^2  : 6.09836E-03    (-0.00397492   0.00922367)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.55 using 59 PHA bins.
# Reduced chi-squared =          1.065 for     55 degrees of freedom 
# Null hypothesis probability =   3.465621e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.280e-07   7.562e-08
25- 50  4.494e-07   8.160e-08
50-150  5.956e-07   2.763e-07
15-150  1.373e-06   3.536e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.13297     ( -0.129237   0.134036 )
Norm@50keV  : 2.36826E-03    ( -0.00019627   0.000192942 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.52 using 59 PHA bins.
# Reduced chi-squared =          1.027 for     57 degrees of freedom 
# Null hypothesis probability =   4.193101e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.378767 ( -0.0249796  0.0250372 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.41307e-06 ( -1.03874e-07  1.04986e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.95364     ( -0.516397   0.0245982 )
Epeak [keV] : 11.4537      ( -9.17817 -9.33313 )
Norm@50keV  : 2.98220E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.19 using 59 PHA bins.
# Reduced chi-squared =          1.039 for     56 degrees of freedom 
# Null hypothesis probability =   3.947179e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.375430 ( -0.026674  0.026672 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39092e-06 ( -1.22426e-07  1.20499e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.96349   ( 1.90458   0.105408 )
beta        : -10.0000    ( 10   20 )
Epeak [keV] : 9.32432      ( -5.12737 27.7381 )
Norm@50keV   : 2.94570E-03    ( -0.00045807   0.00276788 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.19 using 59 PHA bins.
# Reduced chi-squared =          1.058 for     55 degrees of freedom 
# Null hypothesis probability =   3.588039e-01
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.38805e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.38446  (  )
R^2/D10^2   : 0.211362  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         117.44 using 59 PHA bins.
# Reduced chi-squared =         2.0603 for     57 degrees of freedom 
# Null hypothesis probability =   4.413945e-06
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.367e-07   2.758e-08
25- 50  5.363e-07   3.955e-08
50-150  2.322e-07   4.381e-08
15-150  1.005e-06   7.968e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 57.7462       (-10.5074      13.8933)
Norm        : 1.97468       (-0.23147     0.249884)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.16 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     57 degrees of freedom 
# Null hypothesis probability =   2.975974e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.156e-07   2.838e-08
25- 50  4.746e-07   3.226e-08
50-150  5.229e-07   8.432e-08
15-150  1.313e-06   9.920e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.85353        (-0.930067      0.950666)
R1^2/D10^2  : 1.04992        (-0.452873      1.01324)
kT2 [keV]   : 21.2043        (-4.30456      6.83018)
R2^2/D10^2  : 6.09836E-03    (-0.00397492   0.00922367)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.55 using 59 PHA bins.
# Reduced chi-squared =          1.065 for     55 degrees of freedom 
# Null hypothesis probability =   3.465621e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.280e-07   6.950e-08
25- 50  4.494e-07   8.448e-08
50-150  5.956e-07   2.605e-07
15-150  1.373e-06   3.989e-07
Plot creation:
Mon Mar 23 01:24:58 EDT 2015