batgrbproduct Analysis for Trigger=702473

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jul  2 16:01:40 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger702473/GCN5_download_cron
======================================================================

  Trigger: 00702473      Segment: 000

  BAT Trigger Time: 489097800   [s; MET]
      Trigger Stop: 489097912   [s; MET]
               UTC: 2016-07-01T20:29:43.502300    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 299.803607932221   Dec: 35.3416226175907  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.04
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.04

  Flight Position:   [ source = BAT ]
    RA: 299.803607932221   Dec: 35.3416226175907  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 299.682784669694   Dec: 35.2359151379525  [deg; J2000]  
        { 19h 58m 43.9s , +35d 14' 09.3" }
         +/- 0.951687347743552 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.291938672185896 [arcmin] (formal 1-sigma fit error)
    SNR: 32.6468147464362
 
  Angular difference between Flight and Ground position is 8.674178 arcmin
 
  Partial Coding Fraction: 0.90625    [ including projection effects ]

  Duration
     T90: 714.51599997282 +/- 44.4827377326248
        Measured from: -102.895999908447
                   to: 611.620000064373     [s; relative to TRIGTIME]
     T50: 394.763999938965 +/- 36.7601900147343
        Measured from: 33.4640001058578
                   to: 428.228000044823     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 132.10799998045     
                   to: 133.10799998045     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -174.796000003815     
                   to: 654.139999985695     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     4.139081   4.788349   3.038431   0.605627
           0.156850   0.161101   0.140528   0.123764 [error]
 Peak      0.026096   0.019156   0.013188   0.011077
           0.005576   0.005634   0.005024   0.004367 [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 1.17e-06 1.93e-06 2.40e-06 5.93e-06 7.17e-06 1.14e-05   erg/cm2
              Error 8.72e-08 8.23e-08 1.42e-07 7.76e-07 3.28e-07 8.76e-07   erg/cm2
Peak flux Power-law 1.56e-01 1.54e-01 1.07e-01 1.16e-01 4.64e-01 5.33e-01   ph/cm2/s
              Error 7.42e-02 4.38e-02 4.29e-02 1.03e-01 1.27e-01 1.54e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.16e-06 1.94e-06 2.41e-06 5.45e-06 7.14e-06 1.09e-05   erg/cm2
              Error 9.87e-08 9.07e-08 1.45e-07 1.60e-06 3.65e-07 1.66e-06   erg/cm2
Peak flux Cutoff-PL 1.57e-01 1.55e-01 1.06e-01 1.14e-01 4.64e-01 5.32e-01   ph/cm2/s
              Error 7.25e-02 4.38e-02 5.34e-02 9.95e-02 1.26e-01 1.20e-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    1.684    0.081    -      -           9.34e-04 4.02e-05   50.390 57
CPL   1.659    0.207     689.6    0.0      9.61e-04 0.00e+00   50.370 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.533    0.568    -      -           3.68e-03 1.12e-03   45.860 57
CPL   2.708    1.686     222.1    0.0      9.06e-04 0.00e+00   45.220 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  828.936 -174.796  654.140
T90   714.516 -102.896  611.620
T50   394.764   33.464  428.228
Peak    1.000  132.108  133.108

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  299.6828 +35.2359 0.0059   14.0  121.4       8.2540    32.6  TRIG_00702473       
------------------------------------------
 
Foreground time interval of the image:
-139.799 121.501 (delta_t = 261.300 [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
-174.796000 282.550000
284.000000 654.140000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68378     ( -0.080745   0.0814102 )
Norm@50keV  : 9.34469E-04    ( -4.02799e-05   4.01022e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.39 using 59 PHA bins.
# Reduced chi-squared =         0.8840 for     57 degrees of freedom 
# Null hypothesis probability =   7.196212e-01
 
Photon flux (15-150 keV)    in 827.5 sec: 0.123413 ( -0.00528643  0.00530553 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.16915e-06 ( -3.27032e-07  3.2892e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-174.796000 282.550000
284.000000 654.140000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.65950     ( -0.310155   0.104329 )
Epeak [keV] : 689.629      (   )
Norm@50keV  : 9.61288E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.37 using 59 PHA bins.
# Reduced chi-squared =         0.8995 for     56 degrees of freedom 
# Null hypothesis probability =   6.869910e-01
 
Photon flux (15-150 keV)    in 827.5 sec: 0.122940 ( -0.005646  0.005717 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.13834e-06 ( -3.73194e-07  3.57761e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-174.796000 282.550000
284.000000 654.140000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.39824   ( 1.26106   1.26106 )
beta        : -1.72189    ( 1.71207   0.10472 )
Epeak [keV] : 75.4094      ( -57.1333 -57.1333 )
Norm@50keV   : 1.39269E-03    ( -0.00045157   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.06 using 59 PHA bins.
# Reduced chi-squared =         0.9101 for     55 degrees of freedom 
# Null hypothesis probability =   6.635549e-01
 
Photon flux (15-150 keV)    in 827.5 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]    : 13.3493  (  )
R^2/D10^2   : 1.93444E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         196.69 using 59 PHA bins.
# Reduced chi-squared =         3.4507 for     57 degrees of freedom 
# Null hypothesis probability =   2.959979e-17
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.046e-07   5.193e-08
25- 50  2.142e-06   1.134e-07
50-150  2.450e-06   2.292e-07
15-150  5.196e-06   2.445e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 142.604       (-25.6234      43.6678)
Norm        : 0.507157       (-0.0272457     0.0274775)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.42 using 59 PHA bins.
# Reduced chi-squared =         0.9548 for     57 degrees of freedom 
# Null hypothesis probability =   5.722997e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.055e-06   7.572e-08
25- 50  1.961e-06   1.576e-07
50-150  3.899e-06   1.120e-06
15-150  6.916e-06   1.263e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.91833        (-0.895282      0.941985)
R1^2/D10^2  : 0.149969        (-0.0534262      0.0972083)
kT2 [keV]   : 27.1333        (-4.09834      6.15127)
R2^2/D10^2  : 1.19896E-03    (-0.000602347   0.000976767)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.80 using 59 PHA bins.
# Reduced chi-squared =         0.9783 for     55 degrees of freedom 
# Null hypothesis probability =   5.203722e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.064e-06   1.461e-07
25- 50  1.978e-06   2.135e-07
50-150  4.047e-06   6.856e-07
15-150  7.088e-06   9.268e-07

Peak spectrum fit

Power-law model
Time interval is from  132.108 sec. to  133.108 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53293     ( -0.56107   0.575717 )
Norm@50keV  : 3.67985E-03    ( -0.00115385   0.00107891 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.86 using 59 PHA bins.
# Reduced chi-squared =         0.8046 for     57 degrees of freedom 
# Null hypothesis probability =   8.546400e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.463582 ( -0.126454  0.126552 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.47291e-08 ( -1.15e-08  1.2093e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  132.108 sec. to  133.108 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.70821     ( -2.0311   1.34096 )
Epeak [keV] : 222.098      (   )
Norm@50keV  : 9.05875E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.22 using 59 PHA bins.
# Reduced chi-squared =         0.8075 for     56 degrees of freedom 
# Null hypothesis probability =   8.480412e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.463598 ( -0.125996  0.126296 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.44181e-08 ( -1.11898e-08  1.18461e-08 ) ergs/cm2
 
Band function
Time interval is from  132.108 sec. to  133.108 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99121   ( -4.99121   -4.99121 )
beta        : -1.63833    ( -0.818393   0.616385 )
Epeak [keV] : 22.3244      ( -22.3244 60.3062 )
Norm@50keV   : 833.887    ( -225.068   3.50757e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.42 using 59 PHA bins.
# Reduced chi-squared =         0.8258 for     55 degrees of freedom 
# Null hypothesis probability =   8.180574e-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]    : 9.31439  (-3.21341  12.8638)
R^2/D10^2   : 0.263049  (-0.257889   1.05277)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.40 using 59 PHA bins.
# Reduced chi-squared =         0.9368 for     57 degrees of freedom 
# Null hypothesis probability =   6.109048e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.518e-09   2.811e-09
25- 50  1.012e-08   6.015e-09
50-150  4.286e-09   3.277e-09
15-150  1.893e-08   1.176e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-199.363      -199.363)
Norm        : 1.87016       (-0.512656     0.512714)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.55 using 59 PHA bins.
# Reduced chi-squared =         0.8167 for     57 degrees of freedom 
# Null hypothesis probability =   8.370645e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.657e-09   2.813e-09
25- 50  8.958e-09   5.520e-09
50-150  1.965e-08   1.180e-08
15-150  3.326e-08   1.976e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.23282        (-2.22351      2.76341)
R1^2/D10^2  : 1.02086        (-0.820801      5.26903)
kT2 [keV]   : 57.4174        (-34.5173      -57.4172)
R2^2/D10^2  : 7.89067E-04    (-0.000736395   0.00857894)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.99 using 59 PHA bins.
# Reduced chi-squared =         0.7817 for     55 degrees of freedom 
# Null hypothesis probability =   8.801857e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.809e-09   3.446e-09
25- 50  7.905e-09   4.418e-09
50-150  2.688e-08   1.513e-08
15-150  4.059e-08   2.005e-08
Plot creation:
Sat Jul  2 16:12:34 EDT 2016