batgrbproduct analysis for trigger=1014037

batgrbproduct Analysis for Trigger=1014037

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Tue Dec 22 17:09:28 EST 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger1014037/GCN5_download_cron
======================================================================

  Trigger: 01014037      Segment: 000

  BAT Trigger Time: 630284820.48   [s; MET]
      Trigger Stop: 630284820.608   [s; MET]
               UTC: 2020-12-21T23:06:34.286000    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 171.049596287146   Dec: 42.1443187509267  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    13.97
     Image Trigger?:     NO
     Rate S/N Ratio:     78.1216999303011  [ if not an image trigger ]
     Image S/N Ratio:    13.97

  Flight Position:   [ source = BAT ]
    RA: 171.049596287146   Dec: 42.1443187509267  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 171.054847291095   Dec: 42.1523260269335  [deg; J2000]  
        { 11h 24m 13.2s , +42d 09' 08.4" }
         +/- 1.31278586159422 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.495880222959436 [arcmin] (formal 1-sigma fit error)
    SNR: 20.6191123263712
 
  Angular difference between Flight and Ground position is 0.534213 arcmin
 
  Partial Coding Fraction: 0.234375    [ including projection effects ]

  Duration
     T90: 0.159999966621399 +/- 0.0432665872684419
        Measured from: -0.0199998617172241
                   to: 0.140000104904175     [s; relative to TRIGTIME]
     T50: 0.0679999589920044 +/- 0.0144221847352656
        Measured from: 0.0200001001358032
                   to: 0.0880000591278076     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.442000031471252     
                   to: 0.557999968528748     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0559999942779541     
                   to: 0.167999982833862     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.176909   0.237296   0.196492   0.049012
           0.015698   0.017803   0.016672   0.010089 [error]
 Peak      0.189695   0.249643   0.196550   0.041430
           0.019480   0.021867   0.020279   0.014753 [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 5.56e-08 9.87e-08 1.34e-07 3.77e-07 3.89e-07 6.65e-07   erg/cm2
              Error 7.28e-09 8.36e-09 1.47e-08 8.45e-08 3.60e-08 9.75e-08   erg/cm2
Peak flux Power-law 1.89e+00 1.87e+00 1.30e+00 1.42e+00 5.63e+00 6.48e+00   ph/cm2/s
              Error 2.93e-01 1.86e-01 1.58e-01 3.42e-01 5.39e-01 6.22e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.99e-08 1.06e-07 1.43e-07 1.71e-07 3.80e-07 4.70e-07   erg/cm2
              Error 8.66e-09 1.04e-08 1.73e-08 -------- 3.73e-08 1.17e-07   erg/cm2
Peak flux Cutoff-PL 1.72e+00 1.98e+00 1.37e+00 8.23e-01 5.54e+00 5.89e+00   ph/cm2/s
              Error 3.48e-01 2.24e-01 1.85e-01 5.15e-01 5.48e-01 7.69e-01   ph/cm2/s
 
Fluence        Band 4.95e-08 1.05e-07 1.43e-07 1.76e-07 3.80e-07 4.75e-07   erg/cm2
              Error 7.28e-09 1.01e-08 -------- -------- 3.71e-08 --------   erg/cm2
Peak flux      Band 1.72e+00 1.96e+00 1.37e+00 8.85e-01 5.54e+00 5.94e+00   ph/cm2/s
              Error 2.53e-01 -------- -------- -------- 5.43e-01 --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.557    0.134    -      -           1.84e-01 1.58e-02   63.790 57
CPL   0.913    0.557      87.6   79.1      3.86e-01 2.63e-01   59.270 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.528    0.156    -      -           4.47e-02 4.37e-03   67.400 57
CPL   0.994    0.639      95.9  -33.1      8.32e-02 6.88e-02   65.090 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: 0.192000 sec.
T50 in the 50-300 keV band: 0.064000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.224   -0.056    0.168
T90     0.160   -0.020    0.140
T50     0.068    0.020    0.088
Peak    1.000   -0.442    0.558

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  171.0548 +42.1523 0.0094   35.7   70.4       0.6893    20.6  TRIG_01014037       
------------------------------------------
 
Foreground time interval of the image:
 -0.056   0.168 (delta_t =   0.224 [sec])
Background time interval of the image:
-42.679  -0.056 (delta_t =  42.623 [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   -0.056 sec. to    0.168 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.55700     ( -0.132826   0.135902 )
Norm@50keV  : 0.184429    ( -0.0158433   0.0157522 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   63.79     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.50e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 23.3951 ( -1.95589  1.95723 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.88532e-07 ( -3.58805e-08  3.60595e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.056 sec. to    0.168 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.913372     ( -0.590371   0.524203 )
Epeak [keV] : 87.6369      ( -21.0967 137.018 )
Norm@50keV  : 0.385606    ( -0.170657   0.35548 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   59.27     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.57e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 22.9886 ( -1.9868  1.9863 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.79664e-07 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.056 sec. to    0.168 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.914293   ( -0.495418   0.6169 )
beta        : -10.0000    ( 10   3.55271e-15 )
Epeak [keV] : 87.6853      ( -21.1644 136.704 )
Norm@50keV   : 0.385156    ( -0.170127   0.356358 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 0.224 sec: 23.0177 ( -16.0177  -1.9113 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.8024e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.4317  (-1.53067  1.6761)
R^2/D10^2   : 2.48489  (-0.753063   1.08666)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   88.95     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.32e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.761e-08   4.202e-09
25- 50  1.126e-07   1.127e-08
50-150  1.847e-07   3.149e-08
15-150  3.249e-07   3.270e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 198.073       (-64.8085      -198.129)
Norm        : 96.1097       (-7.87631     8.56939)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.48     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.51e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.365e-08   5.712e-09
25- 50  1.031e-07   2.083e-08
50-150  2.257e-07   9.212e-08
15-150  3.825e-07   1.120e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.44373        (-1.4235      2.0135)
R1^2/D10^2  : 53.2753        (-36.0753      133.233)
kT2 [keV]   : 21.3142        (-3.06868      4.54915)
R2^2/D10^2  : 0.670308    (-0.359469   0.549151)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   57.17     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.95e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.310e-08   2.402e-08
25- 50  9.870e-08   2.638e-08
50-150  2.271e-07   5.925e-08
15-150  3.789e-07   8.732e-08

Peak spectrum fit

Power-law model
Time interval is from   -0.442 sec. to    0.558 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52803     ( -0.154893   0.157909 )
Norm@50keV  : 4.47301E-02    ( -0.00438649   0.00435917 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   67.40     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.63e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 5.62722 ( -0.538332  0.538724 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.2246e-07 ( -4.48403e-08  4.51423e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.442 sec. to    0.558 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.993702     ( -0.690334   0.588286 )
Epeak [keV] : 95.9282      ( -29.7982 -95.9282 )
Norm@50keV  : 8.32186E-02    ( -0.0400752   0.0975632 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   65.09     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.90e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 5.53906 ( -0.54872  0.54825 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.11675e-07 ( -4.7099e-08  4.715e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.442 sec. to    0.558 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.994077   ( -0.483936   0.6359 )
beta        : -10.0000    ( 10   20 )
Epeak [keV] : 95.9504      ( -28.005 -95.9504 )
Norm@50keV   : 8.31741E-02    ( -0.0400594   0.0978619 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 1 sec: 5.54475 ( 1.45525  -0.54484 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.12399e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.1681  (-1.71584  1.93902)
R^2/D10^2   : 0.630781  (-0.217559   0.329111)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   88.09     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.16e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.033e-08   5.055e-09
25- 50  1.217e-07   1.515e-08
50-150  1.915e-07   3.550e-08
15-150  3.436e-07   4.005e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.336       (-66.2272      -199.352)
Norm        : 23.1287       (-2.16991     2.17217)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   65.68     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.01e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.759e-08   1.091e-08
25- 50  1.108e-07   2.916e-08
50-150  2.430e-07   1.133e-07
15-150  4.113e-07   1.408e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.65962        (-1.91789      3.0925)
R1^2/D10^2  : 11.0045        (-8.36748      48.7449)
kT2 [keV]   : 21.7019        (-4.06099      8.645)
R2^2/D10^2  : 0.149353    (-0.109415   0.182257)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   65.33     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.61e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.596e-08   2.602e-08
25- 50  1.062e-07   3.353e-08
50-150  2.443e-07   9.200e-08
15-150  4.065e-07   1.245e-07
Plot creation:
Tue Dec 22 17:13:34 EST 2020