batgrbproduct analysis for trigger=778435

batgrbproduct Analysis for Trigger=778435

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Oct 14 02:19:31 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger778435/GCN5_download_cron
======================================================================

  Trigger: 00778435      Segment: 000

  BAT Trigger Time: 529546960.32   [s; MET]
      Trigger Stop: 529546961.344   [s; MET]
               UTC: 2017-10-13T00:22:20.488700    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 84.085228409175   Dec: 34.449265719154  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.9
     Image Trigger?:     NO
     Rate S/N Ratio:     5.74456264653803  [ if not an image trigger ]
     Image S/N Ratio:    6.9

  Flight Position:   [ source = BAT ]
    RA: 84.085228409175   Dec: 34.449265719154  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 84.0812224773365   Dec: 34.4089410260641  [deg; J2000]  
        { 05h 36m 19.5s , +34d 24' 32.2" }
         +/- 3.95099362177806 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.09422118268624 [arcmin] (formal 1-sigma fit error)
    SNR: 4.27248717476583
 
  Angular difference between Flight and Ground position is 2.427590 arcmin
 
  Partial Coding Fraction: 0.578125    [ including projection effects ]

  Duration
     T90: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     T50: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1.02399998903275 second)
        Measured from: 2.98023223876953e-08     
                   to: 1.02400001883507     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    -0.011671   0.043830   0.027802  -0.005877
           0.008326   0.008840   0.007566   0.006631 [error]
 Peak     -0.011671   0.043830   0.027802  -0.005877
           0.008326   0.008840   0.007566   0.006631 [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 3.49e-09 8.48e-09 1.64e-08 7.80e-08 4.44e-08 1.02e-07   erg/cm2
              Error 2.48e-09 4.01e-09 6.56e-09 6.18e-08 1.76e-08 6.57e-08   erg/cm2
Peak flux Power-law 1.09e-01 1.44e-01 1.39e-01 2.39e-01 4.71e-01 6.27e-01   ph/cm2/s
              Error 7.85e-02 6.96e-02 5.49e-02 1.73e-01 1.96e-01 2.50e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.32e-09 1.25e-08 1.94e-08 4.38e-09 3.82e-08 3.86e-08   erg/cm2
              Error 2.50e-09 6.58e-09 -------- 1.79e-08 8.87e-09 8.85e-09   erg/cm2
Peak flux Cutoff-PL 7.66e-02 3.41e-01 4.37e-02 6.28e-06 4.61e-01 4.61e-01   ph/cm2/s
              Error 4.29e-02 1.15e-01 9.88e-02 3.36e-02 1.55e-01 1.55e-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    1.095    0.562    -      -           4.12e-03 1.65e-03   71.830 57
CPL -10.000   -0.479      38.5    6.4      3.37e+04 7.63e+04   64.310 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.095    0.562    -      -           4.12e-03 1.65e-03   71.830 57
CPL -10.000   -0.479      38.5    6.4      3.37e+04 7.63e+04   64.310 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    1.024    0.000    1.024
T90     1.024    0.000    1.024
T50     1.024    0.000    1.024
Peak    1.024    0.000    1.024

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   84.0812 +34.4089 0.0449   39.7   -2.8       0.0685     4.3  TRIG_00778435       
------------------------------------------
 
Foreground time interval of the image:
  0.000   1.024 (delta_t =   1.024 [sec])
Background time interval of the image:
-239.320  -8.320 (delta_t = 231.000 [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    0.000 sec. to    1.024 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.09539     ( -0.5774   0.546831 )
Norm@50keV  : 4.11754E-03    ( -0.00167472   0.00162123 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.83 using 59 PHA bins.
# Reduced chi-squared =          1.260 for     57 degrees of freedom 
# Null hypothesis probability =   8.930058e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.470795 ( -0.19438  0.197443 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.44147e-08 ( -1.74076e-08  1.7722e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    1.024 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.99999     ( 10   9.04205 )
Epeak [keV] : 38.5220      ( -4.44247 8.38968 )
Norm@50keV  : 3.37257E+04    ( -33389.2   119288 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.31 using 59 PHA bins.
# Reduced chi-squared =          1.148 for     56 degrees of freedom 
# Null hypothesis probability =   2.084010e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.461092 0.460164 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.71702e-16 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    1.024 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -5.45901   -5 )
beta        : -2.28023    ( -2.15989   0.938375 )
Epeak [keV] : 43.1564      ( -8.07236 10.5618 )
Norm@50keV   : 21.0063    ( -7.773   54.933 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.98 using 59 PHA bins.
# Reduced chi-squared =          1.145 for     55 degrees of freedom 
# Null hypothesis probability =   2.147823e-01
 
Photon flux (15-150 keV)    in 1.024 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]    : 17.4514  (-5.2075  8.73684)
R^2/D10^2   : 4.14510E-02  (-0.041451   0.10159)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.93 using 59 PHA bins.
# Reduced chi-squared =          1.174 for     57 degrees of freedom 
# Null hypothesis probability =   1.729428e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.613e-09   1.732e-09
25- 50  1.180e-08   7.368e-09
50-150  2.587e-08   1.608e-08
15-150  4.029e-08   2.620e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.354       (-108.43      -199.359)
Norm        : 2.06106       (-0.833331     0.837119)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.13 using 59 PHA bins.
# Reduced chi-squared =          1.283 for     57 degrees of freedom 
# Null hypothesis probability =   7.362217e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 12.7811        (-13.324      -13.324)
R1^2/D10^2  : 3.95766E-02        (-0.0444042      -0.0444042)
kT2 [keV]   : 20.2339        (-21.3903      -21.3903)
R2^2/D10^2  : 1.75242E-02    (-0.0116966   -0.0116966)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.93 using 59 PHA bins.
#Fit statistic : Chi-Squared =          66.87 using 59 PHA bins.
# Reduced chi-squared =          1.217 for     55 degrees of freedom 
# Reduced chi-squared =          1.216 for     55 degrees of freedom 
# Null hypothesis probability =   1.298961e-01
# Null hypothesis probability =   1.309130e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to    1.024 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.09539     ( -0.5774   0.546831 )
Norm@50keV  : 4.11754E-03    ( -0.00167472   0.00162123 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.83 using 59 PHA bins.
# Reduced chi-squared =          1.260 for     57 degrees of freedom 
# Null hypothesis probability =   8.930058e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.470795 ( -0.19438  0.197443 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.44147e-08 ( -1.74076e-08  1.7722e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    1.024 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.99999     ( 10   9.04205 )
Epeak [keV] : 38.5220      ( -4.44247 8.38968 )
Norm@50keV  : 3.37257E+04    ( -33389.2   119288 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.31 using 59 PHA bins.
# Reduced chi-squared =          1.148 for     56 degrees of freedom 
# Null hypothesis probability =   2.084010e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.461092 0.460164 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.71702e-16 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    1.024 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -5.45901   -5 )
beta        : -2.28023    ( -2.1624   0.938377 )
Epeak [keV] : 43.1564      ( -8.07236 10.5618 )
Norm@50keV   : 21.0063    ( -7.773   54.933 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.98 using 59 PHA bins.
# Reduced chi-squared =          1.145 for     55 degrees of freedom 
# Null hypothesis probability =   2.147823e-01
 
Photon flux (15-150 keV)    in 1.024 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]    : 17.4514  (-5.2075  8.73684)
R^2/D10^2   : 4.14510E-02  (-0.041451   0.10159)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.93 using 59 PHA bins.
# Reduced chi-squared =          1.174 for     57 degrees of freedom 
# Null hypothesis probability =   1.729428e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.613e-09   1.706e-09
25- 50  1.180e-08   7.578e-09
50-150  2.587e-08   1.693e-08
15-150  4.029e-08   2.567e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.354       (-108.43      -199.359)
Norm        : 2.06106       (-0.833331     0.837119)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.13 using 59 PHA bins.
# Reduced chi-squared =          1.283 for     57 degrees of freedom 
# Null hypothesis probability =   7.362217e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 12.7811        (-13.324      -13.324)
R1^2/D10^2  : 3.95766E-02        (-0.0444042      -0.0444042)
kT2 [keV]   : 20.2339        (-21.3903      -21.3903)
R2^2/D10^2  : 1.75242E-02    (-0.0116966   -0.0116966)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.93 using 59 PHA bins.
#Fit statistic : Chi-Squared =          66.87 using 59 PHA bins.
# Reduced chi-squared =          1.217 for     55 degrees of freedom 
# Reduced chi-squared =          1.216 for     55 degrees of freedom 
# Null hypothesis probability =   1.298961e-01
# Null hypothesis probability =   1.309130e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Sat Oct 14 02:25:27 EDT 2017