batgrbproduct Analysis for Trigger=689597

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jun  7 09:18:11 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger689597/GCN5_download_cron
======================================================================

  Trigger: 00689597      Segment: 000

  BAT Trigger Time: 486990857.216   [s; MET]
      Trigger Stop: 486990858.24   [s; MET]
               UTC: 2016-06-07T11:14:00.834700    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 13.6632736804159   Dec: -4.94811943449746  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    24.09
     Image Trigger?:     NO
     Rate S/N Ratio:     172.840967365958  [ if not an image trigger ]
     Image S/N Ratio:    24.09

  Flight Position:   [ source = BAT ]
    RA: 13.6632736804159   Dec: -4.94811943449746  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 13.6614962569118   Dec: -4.95223268734033  [deg; J2000]  
        { 00h 54m 38.8s , -04d 57' 08.0" }
         +/- 0.414117169920023 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.102541690032973 [arcmin] (formal 1-sigma fit error)
    SNR: 107.172949664148
 
  Angular difference between Flight and Ground position is 0.268694 arcmin
 
  Partial Coding Fraction: 0.84375    [ including projection effects ]

  Duration
     T90: 33.3599998950958 +/- 0.451220569866101
        Measured from: -1.08399987220764
                   to: 32.2760000228882     [s; relative to TRIGTIME]
     T50: 8.37599992752075 +/- 0.231931014187959
        Measured from: 5.18000012636185
                   to: 13.5560000538826     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 11.6480000019073     
                   to: 12.6480000019073     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -13.8880000114441     
                   to: 44.0799999833107     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     7.146917  11.331657   9.920130   2.632217
           0.060782   0.070211   0.066090   0.048192 [error]
 Peak      0.540379   0.960230   0.940488   0.244777
           0.013065   0.016765   0.016940   0.010390 [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 2.42e-06 4.82e-06 7.45e-06 2.53e-05 2.08e-05 4.00e-05   erg/cm2
              Error 7.21e-08 8.58e-08 9.59e-08 7.58e-07 2.59e-07 7.69e-07   erg/cm2
Peak flux Power-law 5.87e+00 6.95e+00 5.95e+00 8.65e+00 2.18e+01 2.74e+01   ph/cm2/s
              Error 2.64e-01 1.90e-01 1.42e-01 4.40e-01 5.13e-01 6.07e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.24e-06 4.82e-06 7.66e-06 2.03e-05 2.07e-05 3.50e-05   erg/cm2
              Error 1.02e-07 8.77e-08 1.29e-07 1.89e-06 2.66e-07 1.89e-06   erg/cm2
Peak flux Cutoff-PL 5.04e+00 7.09e+00 6.35e+00 5.55e+00 2.12e+01 2.40e+01   ph/cm2/s
              Error 3.44e-01 2.03e-01 1.87e-01 7.22e-01 5.38e-01 9.28e-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    1.371    0.023    -      -           3.69e-02 4.99e-04   44.400 57
CPL   1.146    0.098     245.1   92.7      4.52e-02 3.88e-03   28.560 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.226    0.038    -      -           1.85e-01 4.08e-03   65.400 57
CPL   0.693    0.168     144.9   29.5      3.15e-01 5.14e-02   32.720 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: 30.848000 sec.
T50 in the 50-300 keV band: 7.232000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   57.968  -13.888   44.080
T90    33.360   -1.084   32.276
T50     8.376    5.180   13.556
Peak    1.000   11.648   12.648

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   13.6615  -4.9522 0.0018   27.8   -4.9      23.1733   107.2  TRIG_00689597       
------------------------------------------
 
Foreground time interval of the image:
-13.888  13.285 (delta_t =  27.173 [sec])
Background time interval of the image:
-29.915 -13.888 (delta_t =  16.027 [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  -13.888 sec. to   44.080 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37138     ( -0.0232991   0.0232234 )
Norm@50keV  : 3.69347E-02    ( -0.00049911   0.000498247 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.40 using 59 PHA bins.
# Reduced chi-squared =         0.7790 for     57 degrees of freedom 
# Null hypothesis probability =   8.880900e-01
 
Photon flux (15-150 keV)    in 57.97 sec: 4.46961 ( -0.0719525  0.0722054 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.08135e-05 ( -2.58629e-07  2.58622e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -13.888 sec. to   44.080 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.14615     ( -0.099244   0.0973265 )
Epeak [keV] : 245.106      ( -54.5497 130.788 )
Norm@50keV  : 4.51677E-02    ( -0.00368579   0.00407605 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          28.56 using 59 PHA bins.
# Reduced chi-squared =         0.5101 for     56 degrees of freedom 
# Null hypothesis probability =   9.991481e-01
 
Photon flux (15-150 keV)    in 57.97 sec: 4.37728 ( -0.08034  0.08088 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.06798e-05 ( -2.65966e-07  2.6585e-07 ) ergs/cm2
 
Band function
Time interval is from  -13.888 sec. to   44.080 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.13907   ( -0.098301   0.069236 )
beta        : -1.60826    ( 1.60915   0.201361 )
Epeak [keV] : 237.212      ( -159.584 136.048 )
Norm@50keV   : 4.55185E-02    ( -0.00402466   0.241037 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          28.52 using 59 PHA bins.
# Reduced chi-squared =         0.5186 for     55 degrees of freedom 
# Null hypothesis probability =   9.988097e-01
 
Photon flux (15-150 keV)    in 57.97 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]    : 21.6975  (  )
R^2/D10^2   : 0.144425  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =        1164.06 using 59 PHA bins.
# Reduced chi-squared =        20.4221 for     57 degrees of freedom 
# Null hypothesis probability =  3.358347e-206
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.340e-07   2.087e-08
25- 50  3.850e-06   8.290e-08
50-150  1.353e-05   2.174e-07
15-150  1.812e-05   2.377e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 19.6065       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         371.24 using 59 PHA bins.
# Reduced chi-squared =         6.5130 for     57 degrees of freedom 
# Null hypothesis probability =   1.211531e-47
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.830e-06   4.348e-08
25- 50  5.444e-06   8.522e-08
50-150  1.194e-05   1.710e-07
15-150  2.021e-05   3.217e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.59831        (-0.462426      0.48633)
R1^2/D10^2  : 1.99119        (-0.333794      0.416618)
kT2 [keV]   : 32.4489        (-1.38724      1.60319)
R2^2/D10^2  : 3.04351E-02    (-0.00481315   0.00521111)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.48 using 59 PHA bins.
# Reduced chi-squared =         0.7179 for     55 degrees of freedom 
# Null hypothesis probability =   9.431826e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.896e-06   1.093e-07
25- 50  4.960e-06   1.307e-07
50-150  1.370e-05   2.812e-07
15-150  2.056e-05   3.536e-07

Peak spectrum fit

Power-law model
Time interval is from   11.648 sec. to   12.648 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.22594     ( -0.0380327   0.0379555 )
Norm@50keV  : 0.185359    ( -0.00407804   0.00407612 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.40 using 59 PHA bins.
# Reduced chi-squared =          1.147 for     57 degrees of freedom 
# Null hypothesis probability =   2.081421e-01
 
Photon flux (15-150 keV)    in 1 sec: 21.8401 ( -0.513025  0.513754 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.86706e-06 ( -4.28654e-08  4.28935e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   11.648 sec. to   12.648 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.693160     ( -0.170704   0.164759 )
Epeak [keV] : 144.882      ( -21.2591 37.8023 )
Norm@50keV  : 0.314853    ( -0.0464208   0.056355 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          32.72 using 59 PHA bins.
# Reduced chi-squared =         0.5844 for     56 degrees of freedom 
# Null hypothesis probability =   9.945197e-01
 
Photon flux (15-150 keV)    in 1 sec: 21.2447 ( -0.537  0.539 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.83427e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   11.648 sec. to   12.648 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.623308   ( -0.213483   0.377619 )
beta        : -1.65958    ( 1.6632   0.23575 )
Epeak [keV] : 130.280      ( -42.5826 46.5157 )
Norm@50keV   : 0.342401    ( -0.0687027   0.211509 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          32.18 using 59 PHA bins.
# Reduced chi-squared =         0.5851 for     55 degrees of freedom 
# Null hypothesis probability =   9.940434e-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]    : 20.1586  (  )
R^2/D10^2   : 0.989323  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         312.51 using 59 PHA bins.
# Reduced chi-squared =         5.4825 for     57 degrees of freedom 
# Null hypothesis probability =   6.242681e-37
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.726e-08   3.555e-09
25- 50  3.868e-07   1.265e-08
50-150  1.167e-06   4.050e-08
15-150  1.631e-06   4.500e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 92.9118       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         275.98 using 59 PHA bins.
# Reduced chi-squared =         4.8418 for     57 degrees of freedom 
# Null hypothesis probability =   1.796754e-30
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.314e-07   5.450e-09
25- 50  4.450e-07   1.020e-08
50-150  9.761e-07   2.325e-08
15-150  1.653e-06   4.050e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.78344        (-1.00226      1.10752)
R1^2/D10^2  : 7.75569        (-2.1937      3.42636)
kT2 [keV]   : 30.3972        (-2.4663      3.40265)
R2^2/D10^2  : 0.205696    (-0.0659082   0.075677)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.21 using 59 PHA bins.
# Reduced chi-squared =         0.6948 for     55 degrees of freedom 
# Null hypothesis probability =   9.586473e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.445e-07   1.260e-08
25- 50  4.181e-07   2.130e-08
50-150  1.271e-06   7.400e-08
15-150  1.833e-06   8.400e-08
Plot creation:
Tue Jun  7 09:21:57 EDT 2016