batgrbproduct analysis for trigger=913042

batgrbproduct Analysis for Trigger=913042

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jul  6 09:40:52 EDT 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger913042/GCN5_download_cron
======================================================================

  Trigger: 00913042      Segment: 000

  BAT Trigger Time: 583984560   [s; MET]
      Trigger Stop: 583984624   [s; MET]
               UTC: 2019-07-05T01:55:36.813380    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 154.464009616073   Dec: 41.4814433056039  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.03
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.03

  Flight Position:   [ source = BAT ]
    RA: 154.464009616073   Dec: 41.4814433056039  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 154.624004487319   Dec: 41.5360914817035  [deg; J2000]  
        { 10h 18m 29.8s , +41d 32' 09.9" }
         +/- 3.6601024516094 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.54195489167679 [arcmin] (formal 1-sigma fit error)
    SNR: 4.76571463880445
 
  Angular difference between Flight and Ground position is 7.901236 arcmin
 
  Partial Coding Fraction: 0.4648438    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        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     0.145243   0.407390   0.158512   0.202942
           0.086500   0.089642   0.080738   0.074433 [error]
 Peak      0.145243   0.407390   0.158512   0.202942
           0.086500   0.089642   0.080738   0.074433 [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 7.34e-08 1.41e-07 2.09e-07 6.67e-07 5.90e-07 1.09e-06   erg/cm2
              Error 3.67e-08 4.45e-08 7.79e-08 5.57e-07 1.93e-07 6.14e-07   erg/cm2
Peak flux Power-law 3.69e-02 3.87e-02 2.87e-02 3.45e-02 1.18e-01 1.39e-01   ph/cm2/s
              Error 1.88e-02 1.25e-02 1.04e-02 2.63e-02 3.56e-02 4.19e-02   ph/cm2/s
 
Fluence   Cutoff-PL 7.06e-08 1.53e-07 2.08e-07 2.42e-07 5.48e-07 6.66e-07   erg/cm2
              Error 5.55e-08 8.01e-08 1.29e-07 4.04e-07 2.59e-07 7.53e-07   erg/cm2
Peak flux Cutoff-PL 3.52e-02 4.21e-02 2.89e-02 1.45e-02 1.15e-01 1.20e-01   ph/cm2/s
              Error 2.22e-02 2.21e-02 1.73e-02 3.50e-02 4.03e-02 5.32e-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    1.430    0.514    -      -           9.59e-04 2.87e-04   57.120 57
CPL   0.686    4.795      74.5  -16.7      2.59e-03 1.67e+02   57.020 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.430    0.514    -      -           9.59e-04 2.87e-04   57.120 57
CPL   0.686    4.795      74.5  -16.7      2.59e-03 1.67e+02   57.020 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
  154.6240 +41.5361 0.0402   38.3  -49.6       1.2168     4.8  TRIG_00913042       
------------------------------------------
 
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: 1.43009     ( -0.524796   0.503707 )
Norm@50keV  : 9.58965E-04    ( -0.000288493   0.000286221 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.12 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     57 degrees of freedom 
# Null hypothesis probability =   4.706457e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.117607 ( -0.0354942  0.035667 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.8952e-07 ( -1.90161e-07  1.95893e-07 ) 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: 0.685671     ( -8.39377   1.19703 )
Epeak [keV] : 74.5006      ( -45.1079 -78.4253 )
Norm@50keV  : 2.59293E-03    ( -0.00227367   333.407 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.02 using 59 PHA bins.
# Reduced chi-squared =          1.018 for     56 degrees of freedom 
# Null hypothesis probability =   4.368091e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.115293 ( -0.0434126  0.037131 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.48109e-07 ( -2.85101e-07  2.32435e-07 ) 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       : 5.00000   ( -5   -5 )
beta        : -1.94012    ( -2.25498   0.742304 )
Epeak [keV] : 32.1346      ( -32.1349 25.5178 )
Norm@50keV   : 24.7576    ( -7.00884   175948 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.42 using 59 PHA bins.
# Reduced chi-squared =         0.9895 for     55 degrees of freedom 
# Null hypothesis probability =   4.967367e-01
 
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]    : 11.8141  (-3.08498  5.13362)
R^2/D10^2   : 3.23136E-02  (-0.0323097   0.0660253)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.42 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     57 degrees of freedom 
# Null hypothesis probability =   4.595500e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.096e-08   3.862e-08
25- 50  1.883e-07   1.178e-07
50-150  1.564e-07   1.141e-07
15-150  4.057e-07   2.519e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.361       (-199.362      -199.362)
Norm        : 0.486539       (-0.143415     0.143682)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.09 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     57 degrees of freedom 
# Null hypothesis probability =   4.717916e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.754e-08   4.736e-08
25- 50  1.492e-07   9.181e-08
50-150  3.271e-07   2.032e-07
15-150  5.538e-07   3.248e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 200.000        (-181.149      -200)
R1^2/D10^2  : 1.64252E-05        (-1.1518e-05      0.000138971)
kT2 [keV]   : 9.73682        (-1.71739      3.73245)
R2^2/D10^2  : 5.70046E-02    (-0.0389043   0.0580606)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.23 using 59 PHA bins.
#Fit statistic : Chi-Squared =          52.98 using 59 PHA bins.
# Reduced chi-squared =         0.9677 for     55 degrees of freedom 
# Reduced chi-squared =         0.9633 for     55 degrees of freedom 
# Null hypothesis probability =   5.427150e-01
# Null hypothesis probability =   5.521635e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.102e-08   4.499e-08
25- 50  1.772e-07   1.092e-07
50-150  3.654e-07   1.952e-07
15-150  6.136e-07   3.043e-07

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: 1.43009     ( -0.524796   0.503707 )
Norm@50keV  : 9.58965E-04    ( -0.000288493   0.000286221 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.12 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     57 degrees of freedom 
# Null hypothesis probability =   4.706457e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.117607 ( -0.0354942  0.035667 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.8952e-07 ( -1.90161e-07  1.95893e-07 ) 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: 0.685671     ( -8.39377   1.19703 )
Epeak [keV] : 74.5006      ( -45.1079 -78.4253 )
Norm@50keV  : 2.59293E-03    ( -0.00227367   333.407 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.02 using 59 PHA bins.
# Reduced chi-squared =          1.018 for     56 degrees of freedom 
# Null hypothesis probability =   4.368091e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.115293 ( -0.0434126  0.037131 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.48109e-07 ( -2.85101e-07  2.32435e-07 ) 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       : 5.00000   ( -5   -5 )
beta        : -1.94012    ( -2.25498   0.742304 )
Epeak [keV] : 32.1346      ( -32.1349 25.5178 )
Norm@50keV   : 24.7576    ( -7.00884   175948 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.42 using 59 PHA bins.
# Reduced chi-squared =         0.9895 for     55 degrees of freedom 
# Null hypothesis probability =   4.967367e-01
 
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]    : 11.8141  (-3.08498  5.13362)
R^2/D10^2   : 3.23136E-02  (-0.0323097   0.0660253)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.42 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     57 degrees of freedom 
# Null hypothesis probability =   4.595500e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.096e-08   3.814e-08
25- 50  1.883e-07   1.162e-07
50-150  1.564e-07   1.100e-07
15-150  4.057e-07   2.453e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.361       (-199.362      -199.362)
Norm        : 0.486539       (-0.143415     0.143682)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.09 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     57 degrees of freedom 
# Null hypothesis probability =   4.717916e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.754e-08   4.861e-08
25- 50  1.492e-07   9.168e-08
50-150  3.271e-07   1.908e-07
15-150  5.538e-07   3.405e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 200.000        (-200      -200)
R1^2/D10^2  : 1.64252E-05        (-1.1518e-05      0.000138971)
kT2 [keV]   : 9.73682        (-1.71739      3.73245)
R2^2/D10^2  : 5.70046E-02    (-0.0389043   0.0580608)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.23 using 59 PHA bins.
#Fit statistic : Chi-Squared =          52.98 using 59 PHA bins.
# Reduced chi-squared =         0.9677 for     55 degrees of freedom 
# Reduced chi-squared =         0.9633 for     55 degrees of freedom 
# Null hypothesis probability =   5.427150e-01
# Null hypothesis probability =   5.521635e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.102e-08   4.461e-08
25- 50  1.772e-07   1.079e-07
50-150  3.654e-07   1.664e-07
15-150  6.136e-07   3.226e-07
Plot creation:
Sat Jul  6 09:53:05 EDT 2019