batgrbproduct analysis for trigger=1003002

batgrbproduct Analysis for Trigger=1003002

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Oct 30 22:16:32 EDT 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger1003002/GCN5_download_cron
======================================================================

  Trigger: 01003002      Segment: 000

  BAT Trigger Time: 625695616   [s; MET]
      Trigger Stop: 625695680   [s; MET]
               UTC: 2020-10-29T20:19:50.108900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 229.60109564193   Dec: 44.4639833801875  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    15.03
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    15.03

  Flight Position:   [ source = BAT ]
    RA: 229.60109564193   Dec: 44.4639833801875  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 229.609180260318   Dec: 44.479892115861  [deg; J2000]  
        { 15h 18m 26.2s , +44d 28' 47.6" }
         +/- 1.9243421534314 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.919404375448759 [arcmin] (formal 1-sigma fit error)
    SNR: 11.9399035354266
 
  Angular difference between Flight and Ground position is 1.015350 arcmin
 
  Partial Coding Fraction: 0.9609375    [ including projection effects ]

  Duration
     T90: 492.092000007629 +/- 17.3455471034018
        Measured from: 1.93600010871887
                   to: 494.028000116348     [s; relative to TRIGTIME]
     T50: 377.151999950409 +/- 59.712696780813
        Measured from: 19.5680000782013
                   to: 396.72000002861     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 11.9279999732971     
                   to: 12.9279999732971     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -3.36800003051758     
                   to: 510.784000039101     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.425116   1.600285   1.374705   0.441195
           0.121512   0.125749   0.110300   0.096964 [error]
 Peak      0.010667   0.026943   0.037937   0.011002
           0.005332   0.005822   0.005286   0.004378 [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 3.43e-07 6.80e-07 1.05e-06 3.53e-06 2.93e-06 5.60e-06   erg/cm2
              Error 5.03e-08 5.74e-08 1.09e-07 8.35e-07 2.64e-07 9.06e-07   erg/cm2
Peak flux Power-law 1.03e-01 1.73e-01 2.22e-01 5.74e-01 6.57e-01 1.07e+00   ph/cm2/s
              Error 4.71e-02 4.81e-02 3.85e-02 2.35e-01 1.22e-01 2.29e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.43e-07 6.79e-07 1.04e-06 3.27e-06 2.93e-06 5.32e-06   erg/cm2
              Error 5.00e-08 5.60e-08 1.08e-07 8.88e-07 2.62e-07 1.18e-06   erg/cm2
Peak flux Cutoff-PL 9.73e-02 1.72e-01 2.26e-01 5.23e-01 6.53e-01 1.03e+00   ph/cm2/s
              Error 5.96e-02 5.26e-02 4.65e-02 3.11e-01 1.27e-01 3.19e-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    1.376    0.149    -      -           5.86e-04 4.62e-05   66.400  0
CPL   1.372    0.162    9999.3    0.0      5.87e-04 3.93e-04   66.430  0
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.640    0.348    -      -           5.65e-03 1.15e-03   58.000  0
CPL   0.511    1.093     813.3    0.0      6.26e-03 7.40e-03   57.960  0
 
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: 121.088000 sec.
T50 in the 50-300 keV band: 46.592000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  514.152   -3.368  510.784
T90   492.092    1.936  494.028
T50   377.152   19.568  396.720
Peak    1.000   11.928   12.928

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  229.6092 +44.4799 0.0161   10.3  124.7       2.5813    11.9  TRIG_01003002       
------------------------------------------
 
Foreground time interval of the image:
 -3.368  72.901 (delta_t =  76.269 [sec])
Background time interval of the image:
-18.499  -3.368 (delta_t =  15.131 [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   -3.368 sec. to  510.784 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37644     ( -0.149005   0.149132 )
Norm@50keV  : 5.86291E-04    ( -4.62527e-05   4.6107e-05 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.40     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.85e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 514.2 sec: 7.10269E-02 ( -0.00564229  0.00565705 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.9274e-06 ( -2.62327e-07  2.64717e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -3.368 sec. to  510.784 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37209     ( -0.173592   0.151271 )
Epeak [keV] : 9999.28      ( -9999.36 -9999.36 )
Norm@50keV  : 5.86969E-04    ( -0.000588473   0.000197591 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.43     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.61e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 514.2 sec: 7.11234E-02 ( -0.005762  0.0055529 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.93289e-06 ( -2.67199e-07  2.57691e-07 ) ergs/cm2
 
Band function
Time interval is from   -3.368 sec. to  510.784 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.10731   ( 1.10731   1.10731 )
beta        : -1.37642    ( -0.150558   0.149017 )
Epeak [keV] : 37.1368      ( -37.1368 -37.1368 )
Norm@50keV   : 1.14787E-03    ( -0.000607037   1.76511 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 514.2 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]    : 16.9783  (  )
R^2/D10^2   : 5.17904E-03  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  121.31     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.51e-06 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.564e-07   2.576e-08
25- 50  6.913e-07   8.330e-08
50-150  1.422e-06   2.404e-07
15-150  2.270e-06   2.304e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-30.0085      -200)
Norm        : 0.291307       (-0.0227485     0.0227485)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   73.47     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.00e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.730e-07   4.093e-08
25- 50  7.175e-07   1.674e-07
50-150  1.574e-06   6.253e-07
15-150  2.664e-06   8.230e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.87831        (-1.4481      2.02625)
R1^2/D10^2  : 0.140221        (-0.0909002      0.299253)
kT2 [keV]   : 29.5966        (-6.19145      12.9493)
R2^2/D10^2  : 7.25744E-04    (-0.00048158   0.000844438)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   67.83     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.15e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.728e-07   1.142e-07
25- 50  6.226e-07   1.414e-07
50-150  1.993e-06   6.690e-07
15-150  2.989e-06   7.505e-07

Peak spectrum fit

Power-law model
Time interval is from   11.928 sec. to   12.928 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.639776     ( -0.364915   0.331168 )
Norm@50keV  : 5.64932E-03    ( -0.00117473   0.00111944 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   58.00     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.38e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 0.656625 ( -0.121325  0.122454 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.0894e-08 ( -1.27718e-08  1.28191e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   11.928 sec. to   12.928 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.510555     ( -1.73352   0.452959 )
Epeak [keV] : 813.315      ( -808.461 -808.461 )
Norm@50keV  : 6.26341E-03    ( -0.00138171   0.0134199 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   57.96     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.03e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 0.652555 ( -0.128736  0.125103 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.087e-08 ( -1.28485e-08  1.28122e-08 ) ergs/cm2
 
Band function
Time interval is from   11.928 sec. to   12.928 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.931722   ( 0.931722   0.931722 )
beta        : -0.639774    ( -0.331173   0.364933 )
Epeak [keV] : 14.1471      ( -14.1471 -14.1471 )
Norm@50keV   : 8.18622E-03    ( -0.00368843   0 )
------------------------------------------------------------
 
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]    : 34.6930  (-7.7597  12.6998)
R^2/D10^2   : 6.87902E-03  (-0.00381225   0.00707131)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.39     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.54e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.179e-09   5.149e-10
25- 50  7.687e-09   2.431e-09
50-150  6.088e-08   2.447e-08
15-150  6.974e-08   2.998e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-39.4332      -200)
Norm        : 2.60926       (-0.511224     0.511224)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   78.84     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.93e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.501e-09   3.792e-09
25- 50  1.251e-08   7.300e-09
50-150  2.743e-08   1.590e-08
15-150  4.644e-08   2.727e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.17824        (-2.69991      3.94135)
R1^2/D10^2  : 0.641531        (-0.554732      4.66658)
kT2 [keV]   : 42.3468        (-11.5353      26.9278)
R2^2/D10^2  : 3.80299E-03    (-0.00260024   0.00514358)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   54.24     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.03e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.234e-09   2.417e-09
25- 50  9.453e-09   4.944e-09
50-150  6.027e-08   3.289e-08
15-150  7.396e-08   4.000e-08
Plot creation:
Fri Oct 30 22:21:14 EDT 2020