batgrbproduct analysis for trigger=950330

batgrbproduct Analysis for Trigger=950330

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Jan 23 07:51:19 EST 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger950330/GCN5_download_cron
======================================================================

  Trigger: 00950330      Segment: 000

  BAT Trigger Time: 601350084.672   [s; MET]
      Trigger Stop: 601350085.184   [s; MET]
               UTC: 2020-01-22T01:41:00.369360    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 209.981071360137   Dec: 27.5655722784293  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.46
     Image Trigger?:     NO
     Rate S/N Ratio:     20.0997512422418  [ if not an image trigger ]
     Image S/N Ratio:    11.46

  Flight Position:   [ source = BAT ]
    RA: 209.981071360137   Dec: 27.5655722784293  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 210.010589658009   Dec: 27.5472029945358  [deg; J2000]  
        { 14h 00m 02.5s , +27d 32' 49.9" }
         +/- 0.695413026366358 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.22382808955627 [arcmin] (formal 1-sigma fit error)
    SNR: 51.1076342077245
 
  Angular difference between Flight and Ground position is 1.918387 arcmin
 
  Partial Coding Fraction: 0.78125    [ including projection effects ]

  Duration
     T90: 190.927999973297 +/- 3.90512477738901
        Measured from: 1.72800004482269
                   to: 192.65600001812     [s; relative to TRIGTIME]
     T50: 20.1679999828339 +/- 1.48858582639967
        Measured from: 8.33600008487701
                   to: 28.5040000677109     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 10.1799999475479     
                   to: 11.1799999475479     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -8.57200002670288     
                   to: 229.075999975204     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     5.158157   6.383806   4.664164   1.117487
           0.113247   0.118432   0.103122   0.085584 [error]
 Peak      0.220292   0.384886   0.404650   0.118792
           0.012474   0.015283   0.015013   0.010670 [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 1.65e-06 2.81e-06 3.65e-06 9.57e-06 1.07e-05 1.77e-05   erg/cm2
              Error 8.19e-08 7.91e-08 1.11e-07 6.75e-07 2.68e-07 7.28e-07   erg/cm2
Peak flux Power-law 2.27e+00 2.84e+00 2.58e+00 4.08e+00 9.09e+00 1.18e+01   ph/cm2/s
              Error 1.87e-01 1.42e-01 1.19e-01 4.01e-01 3.89e-01 5.16e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.61e-06 2.83e-06 3.68e-06 8.39e-06 1.07e-05 1.65e-05   erg/cm2
              Error 1.08e-07 8.36e-08 1.19e-07 1.68e-06 2.99e-07 1.69e-06   erg/cm2
Peak flux Cutoff-PL 2.07e+00 2.90e+00 2.69e+00 2.85e+00 8.96e+00 1.05e+01   ph/cm2/s
              Error 2.37e-01 1.55e-01 1.50e-01 8.02e-01 4.02e-01 8.95e-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    1.623    0.048    -      -           4.87e-03 1.18e-04   43.880 57
CPL   1.525    0.158     265.2    0.0      5.40e-03 0.00e+00   43.060 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.138    0.071    -      -           7.80e-02 3.23e-03   44.700 57
CPL   0.774    0.297     190.7  247.8      1.14e-01 3.53e-02   39.950 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: 146.880000 sec.
T50 in the 50-300 keV band: 10.496000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  237.648   -8.572  229.076
T90   190.928    1.728  192.656
T50    20.168    8.336   28.504
Peak    1.000   10.180   11.180

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  210.0106 +27.5472 0.0038   31.0 -156.9       4.4076    51.1  TRIG_00950330       
------------------------------------------
 
Foreground time interval of the image:
 -8.572   8.029 (delta_t =  16.601 [sec])
Background time interval of the image:
-239.672 -181.712 (delta_t =  57.960 [sec])
-180.672 -41.661 (delta_t = 139.011 [sec])
-40.672  -8.572 (delta_t =  32.100 [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
Multiple GTIs in the spectrum
tstart tstop
-8.572000 25.047300
26.328000 229.076000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62345     ( -0.0475027   0.0475834 )
Norm@50keV  : 4.86582E-03    ( -0.000117521   0.000117508 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.88 using 59 PHA bins.
# Reduced chi-squared =         0.7699 for     57 degrees of freedom 
# Null hypothesis probability =   8.986775e-01
 
Photon flux (15-150 keV)    in 236.4 sec: 0.629908 ( -0.0174997  0.0175752 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07282e-05 ( -2.68007e-07  2.68274e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-8.572000 25.047300
26.328000 229.076000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52489     ( -0.190826   0.125318 )
Epeak [keV] : 265.169      (   )
Norm@50keV  : 5.39524E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.06 using 59 PHA bins.
# Reduced chi-squared =         0.7689 for     56 degrees of freedom 
# Null hypothesis probability =   8.976014e-01
 
Photon flux (15-150 keV)    in 236.4 sec: 0.624407 ( -0.019994  0.010049 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.0658e-05 ( -3.02781e-07  2.95216e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-8.572000 25.047300
26.328000 229.076000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.53615   ( 1.20802   1.20802 )
beta        : -2.65554    ( 9.03491   18.7812 )
Epeak [keV] : 295.577      ( -107.548 -295.536 )
Norm@50keV   : 5.32791E-03    ( -0.000128436   0.00072229 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.07 using 59 PHA bins.
# Reduced chi-squared =         0.7831 for     55 degrees of freedom 
# Null hypothesis probability =   8.783894e-01
 
Photon flux (15-150 keV)    in 236.4 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]    : 15.9346  (  )
R^2/D10^2   : 5.30481E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         417.03 using 59 PHA bins.
# Reduced chi-squared =         7.3164 for     57 degrees of freedom 
# Null hypothesis probability =   3.319117e-56
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.590e-07   3.191e-08
25- 50  2.763e-06   9.338e-08
50-150  4.896e-06   2.222e-07
15-150  8.319e-06   2.329e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 190.001       (-24.8165      -189.853)
Norm        : 2.51157       (-0.0698742     0.0761426)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.95 using 59 PHA bins.
# Reduced chi-squared =         0.8413 for     57 degrees of freedom 
# Null hypothesis probability =   7.976557e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.488e-06   7.506e-08
25- 50  2.845e-06   1.608e-07
50-150  6.140e-06   1.324e-06
15-150  1.047e-05   1.410e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.34087        (-0.6961      0.732878)
R1^2/D10^2  : 0.566761        (-0.158842      0.246779)
kT2 [keV]   : 27.5705        (-2.46185      3.16539)
R2^2/D10^2  : 6.03279E-03    (-0.00195788   0.00251364)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.93 using 59 PHA bins.
# Reduced chi-squared =          1.053 for     55 degrees of freedom 
# Null hypothesis probability =   3.678017e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.394e-06   1.279e-07
25- 50  2.883e-06   1.560e-07
50-150  6.216e-06   4.338e-07
15-150  1.049e-05   5.614e-07

Peak spectrum fit

Power-law model
Time interval is from   10.180 sec. to   11.180 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.13810     ( -0.0716218   0.0712436 )
Norm@50keV  : 7.80442E-02    ( -0.00323032   0.00322936 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.70 using 59 PHA bins.
# Reduced chi-squared =         0.7843 for     57 degrees of freedom 
# Null hypothesis probability =   8.815841e-01
 
Photon flux (15-150 keV)    in 1 sec: 9.08896 ( -0.389097  0.389497 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.06325e-07 ( -3.63438e-08  3.64143e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   10.180 sec. to   11.180 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.773524     ( -0.306919   0.287337 )
Epeak [keV] : 190.654      ( -61.8697 433.758 )
Norm@50keV  : 0.114221    ( -0.0289541   0.0415778 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.95 using 59 PHA bins.
# Reduced chi-squared =         0.7134 for     56 degrees of freedom 
# Null hypothesis probability =   9.481538e-01
 
Photon flux (15-150 keV)    in 1 sec: 8.95727 ( -0.40191  0.40213 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.93881e-07 ( -3.835e-08  3.8173e-08 ) ergs/cm2
 
Band function
Time interval is from   10.180 sec. to   11.180 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.612735   ( -0.439587   2.35685 )
beta        : -1.35545    ( 1.35528   0.200984 )
Epeak [keV] : 133.613      ( -97.7042 350.374 )
Norm@50keV   : 0.140880    ( -0.0540768   7.66628 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.67 using 59 PHA bins.
# Reduced chi-squared =         0.7213 for     55 degrees of freedom 
# Null hypothesis probability =   9.405539e-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]    : 20.1578  (  )
R^2/D10^2   : 0.419723  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         130.21 using 59 PHA bins.
# Reduced chi-squared =         2.2844 for     57 degrees of freedom 
# Null hypothesis probability =   1.178358e-07
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.277e-08   2.695e-09
25- 50  1.641e-07   9.650e-09
50-150  4.949e-07   3.350e-08
15-150  6.917e-07   3.285e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 37.6426       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         134.44 using 59 PHA bins.
# Reduced chi-squared =         2.3586 for     57 degrees of freedom 
# Null hypothesis probability =   3.357456e-08
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.373e-08   4.495e-09
25- 50  1.803e-07   7.950e-09
50-150  3.955e-07   1.825e-08
15-150  6.695e-07   3.330e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.68351        (-1.74562      2.03059)
R1^2/D10^2  : 3.39509        (-1.46941      3.29196)
kT2 [keV]   : 32.2805        (-4.87693      9.20848)
R2^2/D10^2  : 7.51720E-02    (-0.0424169   0.0584695)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.64 using 59 PHA bins.
# Reduced chi-squared =         0.7753 for     55 degrees of freedom 
# Null hypothesis probability =   8.878639e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.057e-08   9.905e-09
25- 50  1.724e-07   2.380e-08
50-150  5.630e-07   9.610e-08
15-150  7.960e-07   1.225e-07
Plot creation:
Thu Jan 23 07:55:26 EST 2020