batgrbproduct Analysis for Trigger=650617

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jul 29 15:06:25 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger650617/GCN5_download_cron
======================================================================

  Trigger: 00650617      Segment: 000

  BAT Trigger Time: 459780685.952   [s; MET]
      Trigger Stop: 459780686.976   [s; MET]
               UTC: 2015-07-28T12:51:11.036780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 292.287805747232   Dec: 33.9039039617548  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.74
     Image Trigger?:     NO
     Rate S/N Ratio:     7.93725393319377  [ if not an image trigger ]
     Image S/N Ratio:    6.74

  Flight Position:   [ source = BAT ]
    RA: 292.287805747232   Dec: 33.9039039617548  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 292.271193136122   Dec: 33.905766186835  [deg; J2000]  
        { 19h 29m 05.1s , +33d 54' 20.8" }
         +/- 2.59624002200727 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.14637814648133 [arcmin] (formal 1-sigma fit error)
    SNR: 7.78389877135255
 
  Angular difference between Flight and Ground position is 0.834785 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 0.832000017166138 +/- 0.230755269859374
        Measured from: 0.304000079631805
                   to: 1.13600009679794     [s; relative to TRIGTIME]
     T50: 0.448000013828278 +/- 0.181019365655138
        Measured from: 0.43200010061264
                   to: 0.880000114440918     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.219999969005585     
                   to: 1.21999996900558     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.239999949932098     
                   to: 1.19999998807907     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.025263   0.022347   0.015464   0.007697
           0.005317   0.005404   0.004486   0.003591 [error]
 Peak      0.026413   0.020247   0.017059   0.007575
           0.005417   0.005507   0.004585   0.003664 [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 7.35e-09 9.87e-09 9.74e-09 1.73e-08 3.26e-08 4.43e-08   erg/cm2
              Error 2.30e-09 2.32e-09 4.28e-09 1.55e-08 9.67e-09 2.03e-08   erg/cm2
Peak flux Power-law 2.37e-01 1.81e-01 9.31e-02 6.88e-02 5.43e-01 5.80e-01   ph/cm2/s
              Error 7.83e-02 4.15e-02 3.87e-02 5.64e-02 1.23e-01 1.36e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.38e-09 9.87e-09 9.69e-09 1.69e-08 3.25e-08 4.39e-08   erg/cm2
              Error 2.30e-09 2.40e-09 4.27e-09 1.84e-08 9.53e-09 2.17e-08   erg/cm2
Peak flux Cutoff-PL 2.38e-01 1.81e-01 9.24e-02 6.72e-02 5.43e-01 5.79e-01   ph/cm2/s
              Error 7.82e-02 4.17e-02 2.81e-02 6.92e-02 1.23e-01 1.36e-01   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    2.018    0.481    -      -           3.68e-03 1.17e-03   54.450 57
CPL   2.073    0.000      35.1    0.0      3.27e-03 0.00e+00   54.310 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.962    0.485    -      -           3.68e-03 1.14e-03   58.130 57
CPL   2.669    0.000     221.4    0.0      1.67e-03 0.00e+00   57.640 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    0.960    0.240    1.200
T90     0.832    0.304    1.136
T50     0.448    0.432    0.880
Peak    1.000    0.220    1.220

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  292.2712 +33.9058 0.0248   11.4 -173.9       0.0754     7.8  TRIG_00650617       
------------------------------------------
 
Foreground time interval of the image:
  0.240   1.200 (delta_t =   0.960 [sec])
Background time interval of the image:
-239.952   0.240 (delta_t = 240.192 [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    0.240 sec. to    1.200 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.01836     ( -0.445065   0.517107 )
Norm@50keV  : 3.67980E-03    ( -0.00121562   0.00112567 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.45 using 59 PHA bins.
# Reduced chi-squared =         0.9553 for     57 degrees of freedom 
# Null hypothesis probability =   5.711913e-01
 
Photon flux (15-150 keV)    in 0.96 sec: 0.556681 ( -0.125592  0.125595 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.2611e-08 ( -9.42126e-09  9.92342e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.240 sec. to    1.200 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.07345     (     )
Epeak [keV] : 35.0600      (   )
Norm@50keV  : 3.27473E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.31 using 59 PHA bins.
# Reduced chi-squared =         0.9698 for     56 degrees of freedom 
# Null hypothesis probability =   5.391106e-01
 
Photon flux (15-150 keV)    in 0.96 sec: 0.556471 ( -0.125555  0.12551 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.25195e-08 ( -9.39293e-09  9.67469e-09 ) ergs/cm2
 
Band function
Time interval is from    0.240 sec. to    1.200 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.98488   ( -4.98488   -4.98488 )
beta        : -2.06161    ( -0.685651   0.470162 )
Epeak [keV] : 18.2277      ( -18.2277 70.1495 )
Norm@50keV   : 4850.24    ( -1092.31   7.78697e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.30 using 59 PHA bins.
# Reduced chi-squared =         0.9873 for     55 degrees of freedom 
# Null hypothesis probability =   5.013008e-01
 
Photon flux (15-150 keV)    in 0.96 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]    : 8.64409  (-2.99364  4.23314)
R^2/D10^2   : 0.430366  (-0.327422   1.84208)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.61 using 59 PHA bins.
# Reduced chi-squared =          1.116 for     57 degrees of freedom 
# Null hypothesis probability =   2.552069e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.878e-09   2.645e-09
25- 50  1.172e-08   6.118e-09
50-150  3.944e-09   2.915e-09
15-150  2.154e-08   1.150e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 66.9081       (-36.455      -66.9425)
Norm        : 2.76070       (-0.89478     1.60521)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.91 using 59 PHA bins.
# Reduced chi-squared =         0.9809 for     57 degrees of freedom 
# Null hypothesis probability =   5.159586e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.764e-09   2.303e-09
25- 50  1.063e-08   4.545e-09
50-150  1.320e-08   1.094e-08
15-150  3.059e-08   1.465e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.35421        (-1.76582      1.73847)
R1^2/D10^2  : 5.46361        (-4.68431      65.9754)
kT2 [keV]   : 21.0383        (-9.27961      -21.0383)
R2^2/D10^2  : 1.20183E-02    (-0.01195   0.05345)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.08 using 59 PHA bins.
# Reduced chi-squared =         0.9832 for     55 degrees of freedom 
# Null hypothesis probability =   5.099229e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.054e-09   4.532e-09
25- 50  8.201e-09   4.357e-09
50-150  1.643e-08   1.014e-08
15-150  3.269e-08   1.750e-08

Peak spectrum fit

Power-law model
Time interval is from    0.220 sec. to    1.220 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.96170     ( -0.449224   0.52023 )
Norm@50keV  : 3.68216E-03    ( -0.00119297   0.00109357 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.13 using 59 PHA bins.
# Reduced chi-squared =          1.020 for     57 degrees of freedom 
# Null hypothesis probability =   4.334899e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.542821 ( -0.122911  0.122911 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.38984e-08 ( -9.81401e-09  1.0267e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.220 sec. to    1.220 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.66890     (     )
Epeak [keV] : 221.362      (   )
Norm@50keV  : 1.67318E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.64 using 59 PHA bins.
# Reduced chi-squared =          1.029 for     56 degrees of freedom 
# Null hypothesis probability =   4.144341e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.542616 ( -0.122894  0.122847 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.37629e-08 ( -9.6732e-09  1.00908e-08 ) ergs/cm2
 
Band function
Time interval is from    0.220 sec. to    1.220 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99472   ( -4.99472   -4.99472 )
beta        : -1.99315    ( -0.599568   0.468735 )
Epeak [keV] : 17.6836      ( -17.6836 7.18777 )
Norm@50keV   : 5712.12    ( -1292.2   7.16136e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.03 using 59 PHA bins.
# Reduced chi-squared =          1.055 for     55 degrees of freedom 
# Null hypothesis probability =   3.641837e-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]    : 9.82926  (-4.2266  5.44885)
R^2/D10^2   : 0.253572  (-0.196331   1.94297)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.99 using 59 PHA bins.
# Reduced chi-squared =          1.210 for     57 degrees of freedom 
# Null hypothesis probability =   1.326029e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.959e-09   2.568e-09
25- 50  1.203e-08   6.909e-09
50-150  5.972e-09   4.373e-09
15-150  2.296e-08   1.087e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 79.8852       (-45.4356      -79.955)
Norm        : 2.51981       (-0.748125     1.3708)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.73 using 59 PHA bins.
# Reduced chi-squared =          1.048 for     57 degrees of freedom 
# Null hypothesis probability =   3.769322e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.538e-09   2.464e-09
25- 50  1.076e-08   5.035e-09
50-150  1.517e-08   1.297e-08
15-150  3.247e-08   1.739e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.02175        (-1.45172      2.03098)
R1^2/D10^2  : 7.57827        (-6.36578      70.3914)
kT2 [keV]   : 21.2203        (-8.11899      31.5441)
R2^2/D10^2  : 1.23438E-02    (-0.0115315   0.0573994)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.73 using 59 PHA bins.
# Reduced chi-squared =          1.031 for     55 degrees of freedom 
# Null hypothesis probability =   4.103933e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.121e-09   4.722e-09
25- 50  8.003e-09   4.260e-09
50-150  1.820e-08   1.228e-08
15-150  3.432e-08   1.848e-08
Plot creation:
Wed Jul 29 15:09:41 EDT 2015