batgrbproduct analysis for trigger=1054627

batgrbproduct Analysis for Trigger=1054627

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Thu Jun 10 19:39:08 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1054627/batgroup_hand_proc
======================================================================

  Trigger: 01054627      Segment: 000

  BAT Trigger Time: 645030250.56   [s; MET]
      Trigger Stop: 645030251.584   [s; MET]
               UTC: 2021-06-10T15:03:43.387320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 204.285446740885   Dec: 14.4803131180607  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.79
     Image Trigger?:     NO
     Rate S/N Ratio:     18.8148877222268  [ if not an image trigger ]
     Image S/N Ratio:    7.79

  Flight Position:   [ source = BAT ]
    RA: 204.285446740885   Dec: 14.4803131180607  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 204.284016860347   Dec: 14.4756955581358  [deg; J2000]  
        { 13h 37m 08.2s , +14d 28' 32.5" }
         +/- 1.70591992025749 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.647891043698896 [arcmin] (formal 1-sigma fit error)
    SNR: 14.1823726816602
 
  Angular difference between Flight and Ground position is 0.289239 arcmin
 
  Partial Coding Fraction: 0.265625    [ including projection effects ]

  Duration
     T90: 13.6160000562668 +/- 3.15130957354563
        Measured from: -4.69599997997284
                   to: 8.92000007629395     [s; relative to TRIGTIME]
     T50: 4.25599992275238 +/- 1.25628024155385
        Measured from: -1.76799988746643
                   to: 2.48800003528595     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.291999936103821     
                   to: 0.708000063896179     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -5.97599995136261     
                   to: 11.3519999980927     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.432041   0.490455   0.475982   0.151034
           0.052513   0.055938   0.048528   0.040521 [error]
 Peak      0.083854   0.103429   0.094521   0.018671
           0.014870   0.016417   0.013957   0.010971 [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 1.27e-07 2.46e-07 3.70e-07 1.20e-06 1.04e-06 1.95e-06   erg/cm2
              Error 2.43e-08 2.80e-08 4.82e-08 3.49e-07 1.18e-07 3.81e-07   erg/cm2
Peak flux Power-law 8.34e-01 8.37e-01 5.89e-01 6.57e-01 2.52e+00 2.92e+00   ph/cm2/s
              Error 2.16e-01 1.38e-01 1.13e-01 2.54e-01 3.96e-01 4.54e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.27e-07 2.48e-07 3.67e-07 1.11e-06 1.03e-06 1.85e-06   erg/cm2
              Error 2.41e-08 2.81e-08 4.72e-08 4.75e-07 1.19e-07 4.88e-07   erg/cm2
Peak flux Cutoff-PL 7.91e-01 8.65e-01 6.09e-01 4.66e-01 2.50e+00 2.73e+00   ph/cm2/s
              Error 2.48e-01 1.63e-01 9.95e-02 4.66e-01 4.02e-01 5.64e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 7.93e-01 8.64e-01 6.08e-01 4.74e-01 2.50e+00 2.74e+00   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    1.413    0.186    -      -           6.23e-03 6.44e-04   66.110  0
CPL   1.412    0.850    9999.3    0.0      6.25e-03 4.78e-03   66.130  0
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.507    0.257    -      -           2.01e-02 3.17e-03   47.960  0
CPL   1.196    0.835     131.9    0.0      2.90e-02 5.10e-02    0.779  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: 5.632000 sec.
T50 in the 50-300 keV band: 2.624000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   17.328   -5.976   11.352
T90    13.616   -4.696    8.920
T50     4.256   -1.768    2.488
Peak    1.000   -0.292    0.708

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  204.2840 +14.4757 0.0136   35.8   49.4       1.5436    14.2  TRIG_01054627       
------------------------------------------
 
Foreground time interval of the image:
 -5.976  11.352 (delta_t =  17.328 [sec])
Background time interval of the image:
-239.560  -5.976 (delta_t = 233.584 [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   -5.976 sec. to   11.352 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.41325     ( -0.186704   0.185768 )
Norm@50keV  : 6.23186E-03    ( -0.000645462   0.00064323 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.11     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.91e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 17.33 sec: 0.761239 ( -0.0815137  0.0818102 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.04076e-06 ( -1.1778e-07  1.1844e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -5.976 sec. to   11.352 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.41208     ( -0.406301   1.2946 )
Epeak [keV] : 9999.32      ( -9999.36 -9999.36 )
Norm@50keV  : 6.25262E-03    ( -0.00625275   0.0033095 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.13     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.67e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 17.33 sec: 0.763069 ( -0.08399  0.079929 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.03452e-06 ( -1.12265e-07  1.25724e-07 ) ergs/cm2
 
Band function
Time interval is from   -5.976 sec. to   11.352 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.94125   ( -4.94125   -4.94125 )
beta        : -1.44300    ( -0.203962   0.197355 )
Epeak [keV] : 21.2944      ( -21.2944 6.44838 )
Norm@50keV   : 1473.42    ( -151.163   2.84504e+06 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 17.33 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]    : 17.4215  (-2.63433  3.23265)
R^2/D10^2   : 5.07031E-02  (-0.0222303   0.038717)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  102.81     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.92e-04 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.394e-08   1.170e-08
25- 50  2.433e-07   3.657e-08
50-150  5.312e-07   1.066e-07
15-150  8.284e-07   1.189e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-44.6833      -200)
Norm        : 3.14551       (-0.325248     0.325248)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   69.86     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.18e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.358e-07   5.780e-08
25- 50  2.611e-07   1.130e-07
50-150  5.727e-07   3.119e-07
15-150  9.696e-07   4.233e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.27992        (-1.57066      2.15847)
R1^2/D10^2  : 1.26934        (-0.828316      2.66044)
kT2 [keV]   : 32.0244        (-7.89153      18.2099)
R2^2/D10^2  : 5.76762E-03    (-0.0042081   0.00887956)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   65.14     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.64e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.381e-07   6.741e-08
25- 50  2.324e-07   7.904e-08
50-150  7.009e-07   3.342e-07
15-150  1.071e-06   4.086e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.292 sec. to    0.708 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.50681     ( -0.25477   0.258534 )
Norm@50keV  : 2.01453E-02    ( -0.00317887   0.00315567 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   47.96     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.98e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 2.51955 ( -0.395916  0.396485 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.90896e-07 ( -3.24044e-08  3.26797e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.292 sec. to    0.708 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.19560     ( -1.11673   0.552801 )
Epeak [keV] : 131.900      ( -131.9 -131.9 )
Norm@50keV  : 2.89600E-02    ( -0.0289601   0.0730206 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   47.65     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.79e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 2.49828 ( -0.40138  0.40169 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.88075e-07 ( -3.3989e-08  3.3885e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.292 sec. to    0.708 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.19624   ( 1.1976   0.625032 )
beta        : -4.00622    ( 9.36904   19.369 )
Epeak [keV] : 134.688      ( -67.0795 -134.61 )
Norm@50keV   : 2.87559E-02    ( -0.0115323   0.0229714 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 1 sec: 2.49939 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.8852e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.5850  (-2.8709  3.59056)
R^2/D10^2   : 0.254324  (-0.132052   0.267093)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   58.53     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.19e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.284e-08   4.080e-09
25- 50  5.282e-08   1.425e-08
50-150  8.876e-08   2.733e-08
15-150  1.544e-07   3.889e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-88.9586      -199.363)
Norm        : 10.3793       (-1.59053     1.59095)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   47.79     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.03e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.585e-08   1.479e-08
25- 50  4.972e-08   2.822e-08
50-150  1.090e-07   6.175e-08
15-150  1.846e-07   1.059e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.97588        (-2.48198      4.05416)
R1^2/D10^2  : 4.38663        (-3.57379      34.4928)
kT2 [keV]   : 23.7535        (-6.49847      20.8446)
R2^2/D10^2  : 4.79171E-02    (-0.0425631   0.11076)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   47.39     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.57e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.552e-08   1.464e-08
25- 50  4.709e-08   2.333e-08
50-150  1.139e-07   6.550e-08
15-150  1.865e-07   9.840e-08
Plot creation:
Thu Jun 10 19:45:52 EDT 2021