batgrbproduct analysis for trigger=1064380

batgrbproduct Analysis for Trigger=1064380

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sun Aug  8 21:22:29 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1064380/GCN5_download_cron
======================================================================

  Trigger: 01064380      Segment: 000

  BAT Trigger Time: 650055128   [s; MET]
      Trigger Stop: 650055192   [s; MET]
               UTC: 2021-08-07T18:51:40.491940    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 245.114521135169   Dec: -15.9365175815752  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    21.09
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    21.09

  Flight Position:   [ source = BAT ]
    RA: 245.114521135169   Dec: -15.9365175815752  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 245.118298447598   Dec: -15.9159334991069  [deg; J2000]  
        { 16h 20m 28.4s , -15d 54' 57.4" }
         +/- 1.01234121647162 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.241340611191705 [arcmin] (formal 1-sigma fit error)
    SNR: 29.8888011430705
 
  Angular difference between Flight and Ground position is 1.254127 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 64 +/- 0.143108374017273
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 0.143108374017273
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.775551   0.267397   0.029060   0.054560
           0.053491   0.047359   0.040016   0.035328 [error]
 Peak      2.775551   0.267397   0.029060   0.054560
           0.053491   0.047359   0.040016   0.035328 [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 7.81e-07 9.97e-08 5.56e-09 3.26e-10 8.86e-07 8.86e-07   erg/cm2
              Error 8.11e-08 2.04e-08 2.92e-09 3.02e-10 7.99e-08 7.99e-08   erg/cm2
Peak flux Power-law 4.32e-01 3.23e-02 9.00e-04 2.58e-05 4.65e-01 4.65e-01   ph/cm2/s
              Error 4.67e-02 6.28e-03 4.61e-04 2.32e-05 4.58e-02 4.58e-02   ph/cm2/s
 
Fluence   Cutoff-PL 7.81e-07 9.75e-08 4.43e-09 1.42e-10 8.83e-07 8.83e-07   erg/cm2
              Error 8.15e-08 2.80e-08 4.55e-09 3.69e-10 8.39e-08 6.37e-08   erg/cm2
Peak flux Cutoff-PL 4.31e-01 3.18e-02 7.53e-04 1.38e-05 4.64e-01 4.64e-01   ph/cm2/s
              Error 4.69e-02 7.61e-03 5.80e-04 2.74e-05 4.67e-02 4.67e-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    6.165    0.454    -      -           9.57e-05 4.08e-05   78.160 57
CPL   1.796    0.000       1.0    0.0      3.83e-01 0.00e+00   80.820 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    6.165    0.454    -      -           9.57e-05 4.08e-05   78.160 57
CPL   1.796    0.000       1.0    0.0      3.83e-01 0.00e+00   80.820 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  245.1183 -15.9159 0.0065    0.0  174.4       3.0254    29.9  TRIG_01064380       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [sec])
Background time interval of the image:

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    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.16481     ( -0.451739   0.456256 )
Norm@50keV  : 9.56740E-05    ( -3.36074e-05   4.7947e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.16 using 59 PHA bins.
# Reduced chi-squared =          1.371 for     57 degrees of freedom 
# Null hypothesis probability =   3.288712e-02
 
Photon flux (15-150 keV)    in 64 sec: 0.464812 ( -0.0456563  0.045879 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.86426e-07 ( -7.9696e-08  8.0167e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.79597     (     )
Epeak [keV] : 0.967490      (   )
Norm@50keV  : 0.382651    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.82 using 59 PHA bins.
# Reduced chi-squared =          1.443 for     56 degrees of freedom 
# Null hypothesis probability =   1.664854e-02
 
Photon flux (15-150 keV)    in 64 sec: 0.463524 ( -0.047105  0.04631 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.82854e-07 ( -8.62208e-08  8.15232e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.62180   (     )
beta        : -6.06812    (     )
Epeak [keV] : 10.7579      (   )
Norm@50keV   : 4.81761E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         243.83 using 59 PHA bins.
# Reduced chi-squared =         4.4332 for     55 degrees of freedom 
# Null hypothesis probability =   1.318314e-25
 
Photon flux (15-150 keV)    in 64 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]    : 2.48229  (-0.198518  0.231527)
R^2/D10^2   : 233.081  (-120.199   239.413)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          85.77 using 59 PHA bins.
# Reduced chi-squared =          1.505 for     57 degrees of freedom 
# Null hypothesis probability =   8.181651e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.770e-07   1.661e-07
25- 50  5.549e-08   1.494e-08
50-150  1.635e-11   1.192e-11
15-150  8.324e-07   2.037e-07
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.33340       (-0.497486      0.611788)
Norm        : 181.037       (-80.604     145.904)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.805e-07   1.341e-07
25- 50  7.005e-08   1.736e-08
50-150  1.674e-10   1.137e-10
15-150  8.508e-07   1.484e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.85235        (      )
R1^2/D10^2  : 9.28760        (      )
kT2 [keV]   : 3.50107        (      )
R2^2/D10^2  : 7.55185E-02    (   )
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.514e-07   1.368e-01
25- 50  1.460e-07   1.361e+00
50-150  1.406e-09   3.162e+01
15-150  5.989e-07   3.472e+01

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.16481     ( -0.451739   0.456256 )
Norm@50keV  : 9.56740E-05    ( -3.36074e-05   4.7947e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.16 using 59 PHA bins.
# Reduced chi-squared =          1.371 for     57 degrees of freedom 
# Null hypothesis probability =   3.288712e-02
 
Photon flux (15-150 keV)    in 64 sec: 0.464812 ( -0.0456563  0.045879 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.86426e-07 ( -7.9696e-08  8.0167e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.79597     (     )
Epeak [keV] : 0.967490      (   )
Norm@50keV  : 0.382651    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.82 using 59 PHA bins.
# Reduced chi-squared =          1.443 for     56 degrees of freedom 
# Null hypothesis probability =   1.664854e-02
 
Photon flux (15-150 keV)    in 64 sec: 0.463524 ( -0.047105  0.04631 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.82854e-07 ( -8.62208e-08  8.15232e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.62180   (     )
beta        : -6.06812    (     )
Epeak [keV] : 10.7579      (   )
Norm@50keV   : 4.81761E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         243.83 using 59 PHA bins.
# Reduced chi-squared =         4.4332 for     55 degrees of freedom 
# Null hypothesis probability =   1.318314e-25
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 XSPEC: quit
 
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 2.48229  (-0.198518  0.231527)
R^2/D10^2   : 233.081  (-120.199   239.413)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.770e-07   1.748e-07
25- 50  5.549e-08   1.427e-08
50-150  1.635e-11   1.147e-11
15-150  8.324e-07   1.773e-07
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.33340       (-0.497486      0.611788)
Norm        : 181.037       (-80.604     145.904)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.805e-07   1.497e-07
25- 50  7.005e-08   1.767e-08
50-150  1.674e-10   1.288e-10
15-150  8.508e-07   1.421e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.85235        (      )
R1^2/D10^2  : 9.28760        (      )
kT2 [keV]   : 3.50107        (      )
R2^2/D10^2  : 7.55185E-02    (   )
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.514e-07   1.547e-01
25- 50  1.460e-07   1.280e+00
50-150  1.406e-09   2.979e+01
15-150  5.989e-07   3.731e+01
Plot creation:
Sun Aug  8 21:25:28 EDT 2021