batgrbproduct Analysis for Trigger=639199

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Apr 28 17:11:54 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger639199/GCN5_download_cron
======================================================================

  Trigger: 00639199      Segment: 000

  BAT Trigger Time: 451837096   [s; MET]
      Trigger Stop: 451837472   [s; MET]
               UTC: 2015-04-27T14:18:02.496900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 250.461368094959   Dec: -45.5329329651203  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.8
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.8

  Flight Position:   [ source = BAT ]
    RA: 250.461368094959   Dec: -45.5329329651203  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 250.472787728549   Dec: -45.4968303616101  [deg; J2000]  
        { 16h 41m 53.5s , -45d 29' 48.6" }
         +/- 4.1631244142296 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.41582866607564 [arcmin] (formal 1-sigma fit error)
    SNR: 3.96491185897509
 
  Angular difference between Flight and Ground position is 2.218727 arcmin
 
  Partial Coding Fraction: 0.9609375    [ including projection effects ]

  Duration
     T90: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]
     T50: 376 +/- 
        Measured from: 0
                   to: 376     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 376 second)
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 376     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.699252   0.331129   0.039840  -0.033493
           0.133135   0.119946   0.097769   0.080974 [error]
 Peak      0.699252   0.331129   0.039840  -0.033493
           0.133135   0.119946   0.097769   0.080974 [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 2.11e-07 1.42e-07 6.26e-08 3.81e-08 4.35e-07 4.55e-07   erg/cm2
              Error 6.04e-08 6.13e-08 5.55e-08 7.01e-08 1.59e-07 1.91e-07   erg/cm2
Peak flux Power-law 1.88e-02 7.14e-03 1.57e-03 4.14e-04 2.78e-02 2.79e-02   ph/cm2/s
              Error 5.46e-03 2.93e-03 1.35e-03 7.09e-04 7.71e-03 7.82e-03   ph/cm2/s
 
Fluence   Cutoff-PL 2.17e-07 1.50e-07 2.74e-08 8.86e-10 3.95e-07 3.95e-07   erg/cm2
              Error 6.64e-08 1.13e-07 6.02e-08 5.99e-08 1.59e-07 1.86e-07   erg/cm2
Peak flux Cutoff-PL 1.91e-02 7.64e-03 7.46e-04 1.30e-05 2.75e-02 2.75e-02   ph/cm2/s
              Error 5.89e-03 3.92e-03 1.46e-03 6.13e-04 7.53e-03 7.54e-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    3.185    0.782    -      -           8.80e-05 5.88e-05   51.170 57
CPL   1.468    0.000       8.4    0.0      1.62e-03 0.00e+00   50.510 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.185    0.782    -      -           8.80e-05 5.88e-05   51.170 57
CPL   1.468    0.000       8.4    0.0      1.62e-03 0.00e+00   50.510 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  376.000    0.000  376.000
T90   376.000    0.000  376.000
T50   376.000    0.000  376.000
Peak  376.000    0.000  376.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  250.4728 -45.4968 0.0484   18.4   12.0       1.2701     4.0  TRIG_00639199       
------------------------------------------
 
Foreground time interval of the image:
  0.000 376.000 (delta_t = 376.000 [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  376.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.18495     ( -0.664933   0.898605 )
Norm@50keV  : 8.80004E-05    ( -5.26571e-05   6.48899e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.17 using 59 PHA bins.
# Reduced chi-squared =         0.8977 for     57 degrees of freedom 
# Null hypothesis probability =   6.924882e-01
 
Photon flux (15-150 keV)    in 376 sec: 2.77734E-02 ( -0.00769354  0.00773584 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.35337e-07 ( -1.48211e-07  1.69365e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  376.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46825     (     )
Epeak [keV] : 8.35188      (   )
Norm@50keV  : 1.61539E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.51 using 59 PHA bins.
# Reduced chi-squared =         0.9019 for     56 degrees of freedom 
# Null hypothesis probability =   6.820114e-01
 
Photon flux (15-150 keV)    in 376 sec: 2.74719E-02 ( -0.00748  0.0075893 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.94902e-07 ( -1.31965e-07  1.86049e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  376.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -7.04476   ( 4.40963   7.04476 )
beta        : -3.18496    ( -0.899107   0.665205 )
Epeak [keV] : 29.6025      ( -29.6025 -29.6025 )
Norm@50keV   : 1.19604E-02    ( -0.00715633   0.00881993 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.17 using 59 PHA bins.
# Reduced chi-squared =         0.9303 for     55 degrees of freedom 
# Null hypothesis probability =   6.217697e-01
 
Photon flux (15-150 keV)    in 376 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]    : 4.70754  (-1.21258  1.67364)
R^2/D10^2   : 0.315570  (-0.315571   1.08477)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.11 using 59 PHA bins.
# Reduced chi-squared =         0.8967 for     57 degrees of freedom 
# Null hypothesis probability =   6.944271e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.253e-07   1.331e-07
25- 50  1.264e-07   8.253e-08
50-150  3.807e-09   3.929e-09
15-150  3.556e-07   2.151e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 15.1599       (-6.67614      13.0909)
Norm        : 0.491094       (-0.26748     0.773479)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.51 using 59 PHA bins.
# Reduced chi-squared =         0.8861 for     57 degrees of freedom 
# Null hypothesis probability =   7.155665e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.172e-07   1.157e-07
25- 50  1.496e-07   8.961e-08
50-150  2.693e-08   2.621e-08
15-150  3.937e-07   2.347e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.84726        (-3.85763      2.15124)
R1^2/D10^2  : 0.678647        (-0.672059      -0.672059)
kT2 [keV]   : 10.0949        (-10.1132      -10.1132)
R2^2/D10^2  : 4.06083E-03    (-0.00401534   1.02788)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.17 using 59 PHA bins.
# Reduced chi-squared =         0.9123 for     55 degrees of freedom 
# Null hypothesis probability =   6.591667e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.234e-07   1.251e-07
25- 50  1.419e-07   7.706e-08
50-150  4.355e-08   2.859e-08
15-150  4.088e-07   2.358e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to  376.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.18495     ( -0.664933   0.898605 )
Norm@50keV  : 8.80004E-05    ( -5.26571e-05   6.48899e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.17 using 59 PHA bins.
# Reduced chi-squared =         0.8977 for     57 degrees of freedom 
# Null hypothesis probability =   6.924882e-01
 
Photon flux (15-150 keV)    in 376 sec: 2.77734E-02 ( -0.00769354  0.00773584 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.35337e-07 ( -1.48211e-07  1.69365e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  376.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46825     (     )
Epeak [keV] : 8.35188      (   )
Norm@50keV  : 1.61539E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.51 using 59 PHA bins.
# Reduced chi-squared =         0.9019 for     56 degrees of freedom 
# Null hypothesis probability =   6.820114e-01
 
Photon flux (15-150 keV)    in 376 sec: 2.74719E-02 ( -0.00748  0.0075893 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.94902e-07 ( -1.31965e-07  1.86049e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  376.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -7.04476   ( 4.40963   7.04476 )
beta        : -3.18496    ( -0.899107   0.665205 )
Epeak [keV] : 29.6025      ( -29.6025 -29.6025 )
Norm@50keV   : 1.19604E-02    ( -0.00715633   0.00881993 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.17 using 59 PHA bins.
# Reduced chi-squared =         0.9303 for     55 degrees of freedom 
# Null hypothesis probability =   6.217697e-01
 
Photon flux (15-150 keV)    in 376 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]    : 4.70754  (-1.21258  1.67364)
R^2/D10^2   : 0.315570  (-0.315571   1.08477)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.11 using 59 PHA bins.
# Reduced chi-squared =         0.8967 for     57 degrees of freedom 
# Null hypothesis probability =   6.944271e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.253e-07   1.294e-07
25- 50  1.264e-07   7.979e-08
50-150  3.807e-09   3.903e-09
15-150  3.556e-07   2.134e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 15.1599       (-6.67614      13.0909)
Norm        : 0.491094       (-0.26748     0.773479)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.51 using 59 PHA bins.
# Reduced chi-squared =         0.8861 for     57 degrees of freedom 
# Null hypothesis probability =   7.155665e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.172e-07   1.043e-07
25- 50  1.496e-07   9.119e-08
50-150  2.693e-08   2.655e-08
15-150  3.937e-07   2.283e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.84726        (-3.85763      2.15124)
R1^2/D10^2  : 0.678647        (-0.672059      -0.672059)
kT2 [keV]   : 10.0949        (-10.1132      -10.1132)
R2^2/D10^2  : 4.06083E-03    (-0.00401534   1.02788)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.17 using 59 PHA bins.
# Reduced chi-squared =         0.9123 for     55 degrees of freedom 
# Null hypothesis probability =   6.591667e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.234e-07   1.292e-07
25- 50  1.419e-07   8.014e-08
50-150  4.355e-08   2.527e-08
15-150  4.088e-07   2.517e-07
Plot creation:
Tue Apr 28 17:16:37 EDT 2015