batgrbproduct analysis for trigger=755343

batgrbproduct Analysis for Trigger=755343

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Jun  1 11:12:08 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger755343/GCN5_download_cron
======================================================================

  Trigger: 00755343      Segment: 000

  BAT Trigger Time: 517954072   [s; MET]
      Trigger Stop: 517954136   [s; MET]
               UTC: 2017-05-31T20:07:32.854060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 121.26141607388   Dec: -14.0329183842728  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.14
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.14

  Flight Position:   [ source = BAT ]
    RA: 121.26141607388   Dec: -14.0329183842728  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 121.218413951026   Dec: -14.0165832336715  [deg; J2000]  
        { 08h 04m 52.4s , -14d 00' 59.7" }
         +/- 2.38682033805634 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.14211245729736 [arcmin] (formal 1-sigma fit error)
    SNR: 8.77760248423283
 
  Angular difference between Flight and Ground position is 2.688254 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 26.7439999580383 +/- 7.93523106378653
        Measured from: -9.94799989461899
                   to: 16.7960000634193     [s; relative to TRIGTIME]
     T50: 16.555999994278 +/- 5.74570581899996
        Measured from: -2.68799990415573
                   to: 13.8680000901222     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -4.31599998474121     
                   to: -3.31599998474121     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -13.244000017643     
                   to: 25.783999979496     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.307597   0.345700   0.390286   0.145511
           0.052693   0.052675   0.047972   0.048473 [error]
 Peak      0.017940   0.014962   0.019806   0.030872
           0.008434   0.008590   0.007882   0.007951 [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 7.31e-08 1.59e-07 2.74e-07 1.09e-06 7.50e-07 1.59e-06   erg/cm2
              Error 2.05e-08 2.50e-08 4.83e-08 4.67e-07 1.20e-07 4.93e-07   erg/cm2
Peak flux Power-law 2.20e-023.82e-04 6.38e-023.84e-03 1.50e-013.66e-02 9.69e-011.93e+00 4.06e-011.45e-01 1.19e+001.98e+00   ph/cm2/s
              Error 6.47e-02 8.67e-02 8.88e-02 1.28e+00 2.41e-01 1.32e+00   ph/cm2/s
 
Fluence   Cutoff-PL 7.43e-08 1.59e-07 2.75e-07 9.97e-07 7.52e-07 1.50e-06   erg/cm2
              Error 2.11e-08 2.45e-08 3.79e-08 4.32e-07 1.20e-07 5.79e-07   erg/cm2
Peak flux Cutoff-PL 3.62e-02 8.51e-02 1.59e-01 7.20e-01 4.32e-01 9.96e-01   ph/cm2/s
              Error 6.47e-02 -------- -------- -------- -------- --------   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    1.220    0.278    -      -           1.90e-03 2.59e-04   57.860 57
CPL   2.151    0.972      54.6    0.0      5.91e-04 0.00e+00   56.630 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -2.122    1.366    -      -           2.69e-04 1.94e-03   65.220 57
CPL  -3.295    0.000    9688.4    0.0      4.85e-05 0.00e+00   65.370 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: 16.128000 sec.
T50 in the 50-300 keV band: 9.664000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   39.028  -13.244   25.784
T90    26.744   -9.948   16.796
T50    16.556   -2.688   13.868
Peak    1.000   -4.316   -3.316

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  121.2184 -14.0166 0.0219   16.0 -132.2       0.9832     8.8  TRIG_00755343       
------------------------------------------
 
Foreground time interval of the image:
-13.244  25.784 (delta_t =  39.028 [sec])
Background time interval of the image:
-119.000 -13.244 (delta_t = 105.756 [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  -13.244 sec. to   25.784 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.22015     ( -0.280242   0.276152 )
Norm@50keV  : 1.90476E-03    ( -0.000259287   0.000258582 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.86 using 59 PHA bins.
# Reduced chi-squared =          1.015 for     57 degrees of freedom 
# Null hypothesis probability =   4.432805e-01
 
Photon flux (15-150 keV)    in 39.03 sec: 0.224234 ( -0.0311311  0.0312837 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.50024e-07 ( -1.18697e-07  1.20791e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -13.244 sec. to   25.784 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.15146     ( -1.24096   0.702815 )
Epeak [keV] : 54.6147      (   )
Norm@50keV  : 5.90716E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.63 using 59 PHA bins.
# Reduced chi-squared =          1.011 for     56 degrees of freedom 
# Null hypothesis probability =   4.514991e-01
 
Photon flux (15-150 keV)    in 39.03 sec: 0.224795 ( -0.031922  0.030749 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.52288e-07 ( -1.20751e-07  1.18819e-07 ) ergs/cm2
 
Band function
Time interval is from  -13.244 sec. to   25.784 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.986859   ( 0.987224   0.987224 )
beta        : -1.22011    ( -0.274712   0.280066 )
Epeak [keV] : 49.3596      ( -49.0599 -49.0599 )
Norm@50keV   : 3.39799E-03    ( -0.00149923   0.290542 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.86 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     55 degrees of freedom 
# Null hypothesis probability =   3.701146e-01
 
Photon flux (15-150 keV)    in 39.03 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]    : 21.1016  (-4.28471  5.79888)
R^2/D10^2   : 8.25548E-03  (-0.00431333   0.00877539)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.65 using 59 PHA bins.
# Reduced chi-squared =          1.345 for     57 degrees of freedom 
# Null hypothesis probability =   4.235335e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.705e-08   8.801e-09
25- 50  1.395e-07   3.517e-08
50-150  4.630e-07   1.384e-07
15-150  6.295e-07   1.471e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-50.9186      -200)
Norm        : 0.917878       (-0.126865     0.126865)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.50 using 59 PHA bins.
# Reduced chi-squared =          1.114 for     57 degrees of freedom 
# Null hypothesis probability =   2.581894e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.921e-08   5.062e-08
25- 50  1.716e-07   9.584e-08
50-150  3.764e-07   2.112e-07
15-150  6.372e-07   3.532e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.31974        (-1.80472      2.33796)
R1^2/D10^2  : 0.640760        (-0.485629      3.44296)
kT2 [keV]   : 32.8451        (-9.00194      21.5208)
R2^2/D10^2  : 1.93844E-03    (-0.00142264   0.00317761)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.07 using 59 PHA bins.
# Reduced chi-squared =          1.001 for     55 degrees of freedom 
# Null hypothesis probability =   4.718417e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.950e-08   4.924e-08
25- 50  1.358e-07   5.920e-08
50-150  5.668e-07   3.189e-07
15-150  7.921e-07   3.800e-07

Peak spectrum fit

Power-law model
Time interval is from   -4.316 sec. to   -3.316 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.12157     ( -0.699426   2.03211 )
Norm@50keV  : 2.69331E-04    ( -0.000278112   0.00359651 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.22 using 59 PHA bins.
# Reduced chi-squared =          1.144 for     57 degrees of freedom 
# Null hypothesis probability =   2.125969e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.406341 0.144667 ( -0.144421  0.338276 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.47725e-15 ( -2.14381e-08  2.07931e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -4.316 sec. to   -3.316 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.29487     (     )
Epeak [keV] : 9688.39      (   )
Norm@50keV  : 4.85335E-05    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.37 using 59 PHA bins.
# Reduced chi-squared =          1.167 for     56 degrees of freedom 
# Null hypothesis probability =   1.833770e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.431772 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.68422e-08 ( -2.13426e-08  2.06748e-08 ) ergs/cm2
 
Band function
Time interval is from   -4.316 sec. to   -3.316 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.17498   ( 1.16587   1.16587 )
beta        : 0.177841    ( -1.35473   -0.215047 )
Epeak [keV] : 9.72736      ( -9.50609 -9.50609 )
Norm@50keV   : 4.31524E-03    ( -0.00426433   201095 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.55 using 59 PHA bins.
# Reduced chi-squared =          1.228 for     55 degrees of freedom 
# Null hypothesis probability =   1.193457e-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]    : 200.000  (-200  -200)
R^2/D10^2   : 2.04085E-04  (-7.48593e-05   -0.00020421)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.98 using 59 PHA bins.
# Reduced chi-squared =          1.193 for     57 degrees of freedom 
# Null hypothesis probability =   1.514377e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.438e-10   2.416e-10
25- 50  2.769e-09   2.286e-09
50-150  5.387e-08   5.435e-08
15-150  5.698e-08   5.740e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-123.658      -199.363)
Norm        : 1.84907       (-0.788474     0.788474)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.23 using 59 PHA bins.
# Reduced chi-squared =          1.285 for     57 degrees of freedom 
# Null hypothesis probability =   7.252864e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.604e-09   3.116e-09
25- 50  8.857e-09   5.775e-09
50-150  1.943e-08   1.286e-08
15-150  3.289e-08   2.194e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.15015        (-4.14212      5.79534)
R1^2/D10^2  : 0.785864        (-0.771037      1.5152)
kT2 [keV]   : 199.363        (-147.361      -199.363)
R2^2/D10^2  : 1.90007E-04    (-7.57717e-05   0.00122281)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.73 using 59 PHA bins.
# Reduced chi-squared =          1.159 for     55 degrees of freedom 
# Null hypothesis probability =   1.962476e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.332e-09   2.899e-09
25- 50  6.367e-09   3.898e-09
50-150  5.074e-08   2.192e-08
15-150  6.144e-08   2.290e-08
Plot creation:
Thu Jun  1 11:35:19 EDT 2017