batgrbproduct analysis for trigger=1059494

batgrbproduct Analysis for Trigger=1059494

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Jul  9 15:24:41 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1059494/GCN5_download_cron
======================================================================

  Trigger: 01059494      Segment: 000

  BAT Trigger Time: 647443432   [s; MET]
      Trigger Stop: 647443496   [s; MET]
               UTC: 2021-07-08T13:23:24.666240    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 142.579045529825   Dec: 14.4712178294586  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.51
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.51

  Flight Position:   [ source = BAT ]
    RA: 142.579045529825   Dec: 14.4712178294586  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 142.593802920625   Dec: 14.5229538938038  [deg; J2000]  
        { 09h 30m 22.5s , +14d 31' 22.6" }
         +/- 2.50056034464392 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.10546229995544 [arcmin] (formal 1-sigma fit error)
    SNR: 8.21284467116698
 
  Angular difference between Flight and Ground position is 3.220359 arcmin
 
  Partial Coding Fraction: 0.7421875    [ including projection effects ]

  Duration
     T90: 298.431999921799 +/- 47.3189010708561
        Measured from: -74.6479998826981
                   to: 223.784000039101     [s; relative to TRIGTIME]
     T50: 115.007999897003 +/- 39.3778950267522
        Measured from: -12.2479999065399
                   to: 102.759999990463     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.83599996566772     
                   to: 3.83599996566772     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -99.8639999628067     
                   to: 263.72000002861     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.337306   1.157020   1.120498   0.436199
           0.147194   0.155000   0.144746   0.150750 [error]
 Peak      0.017554   0.011381   0.021867   0.028796
           0.008374   0.008887   0.008174   0.008031 [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 3.37e-07 5.75e-07 7.46e-07 1.96e-06 2.19e-06 3.61e-06   erg/cm2
              Error 7.10e-08 7.07e-08 1.55e-07 8.92e-07 3.51e-07 1.02e-06   erg/cm2
Peak flux Power-law 5.50e-022.46e-05 9.62e-023.26e-04 1.28e-013.96e-03 3.51e-011.21e+00 3.74e-011.86e-02 6.27e-014.05e-01   ph/cm2/s
              Error 8.87e-02 9.13e-02 6.57e-02 1.21e+00 2.91e-01 1.18e+00   ph/cm2/s
 
Fluence   Cutoff-PL 3.41e-07 5.75e-07 7.37e-07 1.88e-06 2.18e-06 3.53e-06   erg/cm2
              Error 6.75e-08 7.05e-08 1.51e-07 7.18e-07 3.49e-07 1.23e-06   erg/cm2
Peak flux Cutoff-PL 6.80e-02 1.07e-01 1.27e-01 2.88e-01 3.85e-01 5.88e-01   ph/cm2/s
              Error 8.70e-02 9.16e-02 6.63e-02 -------- 2.92e-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    0.264    -      -           6.68e-04 9.58e-05   85.550 57
CPL   1.624    0.279    10000.0   -0.0      6.69e-04 -2.85e-04   85.570 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -2.596    0.899    -      -           2.64e-05 1.27e-05   47.440 57
CPL  -3.088    0.450    10000.0    0.0      6.68e-05 0.00e+00   46.470 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: 106.944000 sec.
T50 in the 50-300 keV band: 59.968000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  363.584  -99.864  263.720
T90   298.432  -74.648  223.784
T50   115.008  -12.248  102.760
Peak    1.000    2.836    3.836

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  142.5938 +14.5230 0.0234   19.9  -72.8       3.6430     8.2  TRIG_01059494       
------------------------------------------
 
Foreground time interval of the image:
-75.899 -10.430 (delta_t =  65.469 [sec])
-10.000  36.780 (delta_t =  46.780 [sec])
 39.000 117.490 (delta_t =  78.490 [sec])
119.000 126.840 (delta_t =   7.840 [sec])
131.000 141.922 (delta_t =  10.922 [sec])
145.000 263.720 (delta_t = 118.720 [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
Multiple GTIs in the spectrum
tstart tstop
-99.864000 -10.430000
-10.000000 36.780000
39.000000 117.490000
119.000000 126.840000
131.000000 141.921600
145.000000 263.720000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62347     ( -0.259192   0.269483 )
Norm@50keV  : 6.67652E-04    ( -9.7866e-05   9.37554e-05 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   85.55     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.54e-03 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 352.2 sec: 8.64317E-02 ( -0.0106083  0.0106113 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.19308e-06 ( -3.45823e-07  3.55542e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-99.864000 -10.430000
-10.000000 36.780000
39.000000 117.490000
119.000000 126.840000
131.000000 141.921600
145.000000 263.720000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62357     ( -0.312347   0.246177 )
Epeak [keV] : 1.00000E+04      ( -9999.99 -10000 )
Norm@50keV  : 6.68753E-04    ( -9.85404e-05   -0.000668759 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   85.57     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.67e-03 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 352.2 sec: 8.63968E-02 ( -0.010578  0.0105806 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.17754e-06 ( -3.2551e-07  3.71571e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-99.864000 -10.430000
-10.000000 36.780000
39.000000 117.490000
119.000000 126.840000
131.000000 141.921600
145.000000 263.720000
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.28847   ( 1.28931   1.28931 )
beta        : -1.62340    ( -0.269734   0.259161 )
Epeak [keV] : 25.6516      ( -25.2215 -25.2215 )
Norm@50keV   : 1.50209E-03    ( -0.000925856   1.4298 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 352.2 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]    : 11.5985  (  )
R^2/D10^2   : 2.15565E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  124.60     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.99e-07 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.152e-07   5.869e-08
25- 50  6.504e-07   1.386e-07
50-150  5.139e-07   1.691e-07
15-150  1.380e-06   2.513e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-98.3838      -199.363)
Norm        : 0.346336       (-0.0427982     0.0428068)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   89.00     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.28e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.037e-07   1.678e-07
25- 50  5.843e-07   3.216e-07
50-150  1.281e-06   7.030e-07
15-150  2.169e-06   1.188e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.16735        (-1.26018      1.47651)
R1^2/D10^2  : 0.375287        (-0.241029      0.780291)
kT2 [keV]   : 35.5762        (-10.4352      24.1932)
R2^2/D10^2  : 4.90914E-04    (-0.000356854   0.00088177)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   78.46     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.06e-02 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.967e-07   2.072e-07
25- 50  4.605e-07   1.745e-07
50-150  1.665e-06   9.206e-07
15-150  2.522e-06   1.063e-06

Peak spectrum fit

Power-law model
Time interval is from    2.836 sec. to    3.836 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.59584     ( 2.59584   4.39473 )
Norm@50keV  : 2.63724E-05    ( -1.26528e-05   1.26528e-05 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   47.44     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.13e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 0.373880 1.86031E-02 ( -0.37388  0.208043 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.44026e-16 ( -4.12164e-08  2.17977e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.836 sec. to    3.836 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.08834     ( 3.08834   3.98741 )
Epeak [keV] : 1.00000E+04      ( -10000 -10000 )
Norm@50keV  : 6.68197E-05    ( -6.68188e-05   -6.68188e-05 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.47     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.14e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 0.385161 2.34561E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.72241e-16 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    2.836 sec. to    3.836 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -9.99999   ( 9.99999   9.99999 )
beta        : -0.585272    ( -1.25729   0.579998 )
Epeak [keV] : 16.9685      ( -16.9685 -16.9685 )
Norm@50keV   : 0.434687    ( -0.433856   0.253471 )
------------------------------------------------------------
 
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]    : 199.438  (-199.438  -199.438)
R^2/D10^2   : 1.49572E-04  (-0.000149572   0.0184181)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   48.67     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.76e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.721e-10   1.971e-10
25- 50  2.128e-09   1.490e-09
50-150  3.650e-08   2.441e-08
15-150  3.890e-08   2.616e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-199.363      -199.363)
Norm        : 1.55753       (-0.825806     0.825828)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   49.55     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.48e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.878e-09   2.645e-09
25- 50  7.461e-09   5.060e-09
50-150  1.636e-08   1.155e-08
15-150  2.770e-08   1.965e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.29316        (-2.88716      10.7487)
R1^2/D10^2  : 0.689812        (-0.822757      6.87509)
kT2 [keV]   : 200.000        (-200      -200)
R2^2/D10^2  : 1.37178E-04    (-7.55766e-05   0.000692877)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   44.76     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.36e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.144e-09   2.698e-09
25- 50  5.649e-09   3.673e-09
50-150  3.702e-08   2.775e-08
15-150  4.682e-08   3.365e-08
Plot creation:
Fri Jul  9 15:30:13 EDT 2021