batgrbproduct analysis for trigger=824063

batgrbproduct Analysis for Trigger=824063

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Apr 11 15:19:52 EDT 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger824063/GCN5_download_cron
======================================================================

  Trigger: 00824063      Segment: 000

  BAT Trigger Time: 545040200   [s; MET]
      Trigger Stop: 545040296   [s; MET]
               UTC: 2018-04-10T08:02:59.237600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 95.981565817236   Dec: 12.8078803516501  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.52
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.52

  Flight Position:   [ source = BAT ]
    RA: 95.981565817236   Dec: 12.8078803516501  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 95.9738673781194   Dec: 12.8042177040524  [deg; J2000]  
        { 06h 23m 53.7s , +12d 48' 15.2" }
         +/- 1.94006137109915 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.766641128160313 [arcmin] (formal 1-sigma fit error)
    SNR: 11.8019406162854
 
  Angular difference between Flight and Ground position is 0.501168 arcmin
 
  Partial Coding Fraction: 0.53125    [ including projection effects ]

  Duration
     T90: 100.743999958038 +/- 13.7610770828814
        Measured from: 27.2360000610352
                   to: 127.980000019073     [s; relative to TRIGTIME]
     T50: 47.9759999513626 +/- 10.6413833243515
        Measured from: 41.5080001354218
                   to: 89.4840000867844     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 25.7039999961853     
                   to: 26.7039999961853     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 25.1640000343323     
                   to: 153.667999982834     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.820435   1.174084   1.117061   0.148256
           0.085191   0.088063   0.074811   0.062319 [error]
 Peak      0.007427   0.030714   0.038231   0.013727
           0.007889   0.008607   0.007934   0.006391 [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 2.85e-07 5.39e-07 7.85e-07 2.44e-06 2.23e-06 4.05e-06   erg/cm2
              Error 3.82e-08 4.37e-08 7.33e-08 4.96e-07 1.81e-07 5.46e-07   erg/cm2
Peak flux Power-law 1.31e-01 1.99e-01 2.27e-01 4.93e-01 7.04e-01 1.05e+00   ph/cm2/s
              Error 7.87e-02 7.52e-02 5.96e-02 2.79e-01 1.98e-01 3.01e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.56e-07 5.65e-07 8.21e-07 1.20e-06 2.15e-06 2.84e-06   erg/cm2
              Error 4.74e-08 5.20e-08 8.36e-08 8.73e-07 1.95e-07 8.81e-07   erg/cm2
Peak flux Cutoff-PL 9.92e-02 2.08e-01 2.55e-01 2.18e-01 6.83e-01 7.80e-01   ph/cm2/s
              Error 1.02e-01 8.67e-02 8.12e-02 3.81e-01 2.02e-01 3.59e-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    1.456    0.129    -      -           1.81e-03 1.36e-04   47.440 57
CPL   0.908    0.570     104.7  443.4      3.33e-03 2.27e-03   44.360 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.813    0.467    -      -           6.13e-03 1.78e-03   66.950 57
CPL  -0.186    2.269     129.4    0.0      1.65e-02 1.64e-01   66.190 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: 50.176000 sec.
T50 in the 50-300 keV band: 27.840000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  128.504   25.164  153.668
T90   100.744   27.236  127.980
T50    47.976   41.508   89.484
Peak    1.000   25.704   26.704

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   95.9739 +12.8042 0.0163   33.6  155.9       2.7555    11.8  TRIG_00824063       
------------------------------------------
 
Foreground time interval of the image:
 25.164 105.101 (delta_t =  79.937 [sec])
Background time interval of the image:
-15.899  25.164 (delta_t =  41.063 [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   25.164 sec. to  153.668 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.45586     ( -0.12916   0.129201 )
Norm@50keV  : 1.81261E-03    ( -0.000135869   0.000135606 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.44 using 59 PHA bins.
# Reduced chi-squared =         0.8323 for     57 degrees of freedom 
# Null hypothesis probability =   8.125734e-01
 
Photon flux (15-150 keV)    in 128.5 sec: 0.223706 ( -0.0173846  0.017426 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.22648e-06 ( -1.80094e-07  1.80973e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   25.164 sec. to  153.668 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.908114     ( -0.608076   0.532524 )
Epeak [keV] : 104.666      ( -30.22 856.582 )
Norm@50keV  : 3.33482E-03    ( -0.00146407   0.00306871 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.36 using 59 PHA bins.
# Reduced chi-squared =         0.7922 for     56 degrees of freedom 
# Null hypothesis probability =   8.691256e-01
 
Photon flux (15-150 keV)    in 128.5 sec: 0.217774 ( -0.018421  0.018347 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.15374e-06 ( -1.95461e-07  1.95436e-07 ) ergs/cm2
 
Band function
Time interval is from   25.164 sec. to  153.668 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.903508   ( -0.338322   0.651729 )
beta        : -2.16537    ( 2.10694   3.43927 )
Epeak [keV] : 104.564      ( -40.1236 734.29 )
Norm@50keV   : 3.34255E-03    ( -0.00149973   0.00330451 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.33 using 59 PHA bins.
# Reduced chi-squared =         0.8059 for     55 degrees of freedom 
# Null hypothesis probability =   8.479264e-01
 
Photon flux (15-150 keV)    in 128.5 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]    : 16.5372  (-1.41192  1.57683)
R^2/D10^2   : 1.83762E-02  (-0.00505409   0.0068105)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.55 using 59 PHA bins.
# Reduced chi-squared =          1.255 for     57 degrees of freedom 
# Null hypothesis probability =   9.293915e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.325e-07   1.883e-08
25- 50  5.732e-07   6.110e-08
50-150  1.109e-06   1.529e-07
15-150  1.815e-06   1.748e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-37.1519      -200)
Norm        : 0.925553       (-0.0687354     0.0687354)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.06 using 59 PHA bins.
# Reduced chi-squared =         0.8256 for     57 degrees of freedom 
# Null hypothesis probability =   8.232792e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.962e-07   2.596e-08
25- 50  5.697e-07   5.442e-08
50-150  1.250e-06   4.241e-07
15-150  2.115e-06   5.371e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.87171        (-1.36641      1.94189)
R1^2/D10^2  : 0.700095        (-0.507649      2.43908)
kT2 [keV]   : 20.6631        (-2.54469      3.75927)
R2^2/D10^2  : 7.57003E-03    (-0.00356908   0.00479207)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.68 using 59 PHA bins.
# Reduced chi-squared =         0.7759 for     55 degrees of freedom 
# Null hypothesis probability =   8.871708e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.760e-07   1.201e-07
25- 50  5.225e-07   1.318e-07
50-150  1.282e-06   2.428e-07
15-150  2.080e-06   3.649e-07

Peak spectrum fit

Power-law model
Time interval is from   25.704 sec. to   26.704 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.812881     ( -0.502505   0.431916 )
Norm@50keV  : 6.13048E-03    ( -0.00181347   0.00173991 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.95 using 59 PHA bins.
# Reduced chi-squared =          1.175 for     57 degrees of freedom 
# Null hypothesis probability =   1.725673e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.704330 ( -0.196732  0.200054 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.12542e-08 ( -1.90156e-08  1.91201e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   25.704 sec. to   26.704 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.185777     ( -3.28729   1.25143 )
Epeak [keV] : 129.360      ( -129.437 -129.437 )
Norm@50keV  : 1.65137E-02    ( -0.0164966   0.310909 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.19 using 59 PHA bins.
# Reduced chi-squared =          1.182 for     56 degrees of freedom 
# Null hypothesis probability =   1.655732e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.683282 ( -0.199841  0.203972 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.85949e-08 ( -2.1271e-08  2.02417e-08 ) ergs/cm2
 
Band function
Time interval is from   25.704 sec. to   26.704 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.79976   ( -4.79976   -4.79976 )
beta        : -1.20919    ( -1.613   0.70264 )
Epeak [keV] : 46.0450      ( -46.045 28.8937 )
Norm@50keV   : 10.3885    ( -2.65686   1.14491e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.63 using 59 PHA bins.
# Reduced chi-squared =          1.193 for     55 degrees of freedom 
# Null hypothesis probability =   1.544334e-01
 
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]    : 23.9103  (-6.70956  12.4391)
R^2/D10^2   : 2.08745E-02  (-0.0149905   0.0389431)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.86 using 59 PHA bins.
# Reduced chi-squared =          1.173 for     57 degrees of freedom 
# Null hypothesis probability =   1.743705e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.122e-09   1.347e-09
25- 50  1.176e-08   7.220e-09
50-150  5.010e-08   2.863e-08
15-150  6.398e-08   3.302e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-69.8468      -200)
Norm        : 2.92022       (-0.841311     0.841311)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.33 using 59 PHA bins.
# Reduced chi-squared =          1.304 for     57 degrees of freedom 
# Null hypothesis probability =   6.127881e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.278e-09   4.624e-09
25- 50  1.400e-08   8.505e-09
50-150  3.071e-08   1.837e-08
15-150  5.198e-08   3.152e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 192.681        (-194.152      -194.152)
R1^2/D10^2  : 1.11825E-04        (-0.000109891      0.0419224)
kT2 [keV]   : 16.5514        (-16.5461      14.1543)
R2^2/D10^2  : 5.01045E-02    (-0.039388   -0.0502149)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.62 using 59 PHA bins.
#Fit statistic : Chi-Squared =          65.32 using 59 PHA bins.
# Reduced chi-squared =          1.193 for     55 degrees of freedom 
# Reduced chi-squared =          1.188 for     55 degrees of freedom 
# Null hypothesis probability =   1.547639e-01
# Null hypothesis probability =   1.608513e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.049e-09   2.382e-09
25- 50  1.322e-08   9.715e-09
50-150  5.299e-08   3.414e-08
15-150  6.926e-08   4.215e-08
Plot creation:
Wed Apr 11 15:27:51 EDT 2018