batgrbproduct analysis for trigger=796098

batgrbproduct Analysis for Trigger=796098

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Dec 10 17:49:17 EST 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger796098/GCN5_download_cron
======================================================================

  Trigger: 00796098      Segment: 000

  BAT Trigger Time: 534522605.76   [s; MET]
      Trigger Stop: 534522606.784   [s; MET]
               UTC: 2017-12-09T14:29:45.631160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 12.1767342269333   Dec: 40.635246236599  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.97
     Image Trigger?:     NO
     Rate S/N Ratio:     7.48331477354788  [ if not an image trigger ]
     Image S/N Ratio:    5.97

  Flight Position:   [ source = BAT ]
    RA: 12.1767342269333   Dec: 40.635246236599  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 12.0633580428422   Dec: 40.6374301560446  [deg; J2000]  
        { 00h 48m 15.2s , +40d 38' 14.7" }
         +/- 3.73238909168288 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.39753839985421 [arcmin] (formal 1-sigma fit error)
    SNR: 4.63440752560689
 
  Angular difference between Flight and Ground position is 5.163851 arcmin
 
  Partial Coding Fraction: 0.8984375    [ 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: 1.02399995923042     [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     0.027637   0.025098  -0.000439   0.006678
           0.008299   0.008206   0.006268   0.005316 [error]
 Peak      0.027637   0.025098  -0.000439   0.006678
           0.008299   0.008206   0.006268   0.005316 [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 9.08e-09 7.94e-09 4.77e-09 4.33e-09 2.36e-08 2.65e-08   erg/cm2
              Error 3.61e-09 3.68e-09 4.74e-09 7.40e-09 1.11e-08 1.49e-08   erg/cm2
Peak flux Power-law 2.93e-01 1.44e-01 4.33e-02 1.65e-02 4.90e-01 4.98e-01   ph/cm2/s
              Error 1.18e-01 6.45e-02 4.20e-02 2.61e-02 1.85e-01 1.90e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.32e-09 1.02e-08 8.46e-11 1.56e-17 1.97e-08 1.96e-08   erg/cm2
              Error 4.11e-09 5.71e-09 2.33e-09 0.00e+00 7.94e-09 7.95e-09   erg/cm2
Peak flux Cutoff-PL 2.80e-01 2.03e-01 9.96e-04 1.07e-10 4.84e-01 4.84e-01   ph/cm2/s
              Error 1.29e-01 1.01e-01 2.27e-02 0.00e+00 1.70e-01 1.70e-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    2.728    0.769    -      -           2.16e-03 1.38e-03   51.220 57
CPL  -9.855    0.466      25.7    4.5      2.57e+06 1.03e+07   45.510 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.728    0.769    -      -           2.16e-03 1.38e-03   51.220 57
CPL  -9.855    0.466      25.7    4.5      2.57e+06 1.03e+07   45.510 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
   12.0634 +40.6374 0.0417   27.1 -159.9       0.0655     4.6  TRIG_00796098       
------------------------------------------
 
Foreground time interval of the image:
  0.000   1.024 (delta_t =   1.024 [sec])
Background time interval of the image:
-239.760 -186.390 (delta_t =  53.370 [sec])
-185.760  -5.760 (delta_t = 180.000 [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: 2.72769     ( -0.646816   0.891131 )
Norm@50keV  : 2.15645E-03    ( -0.00130443   0.00145856 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.22 using 59 PHA bins.
# Reduced chi-squared =         0.8986 for     57 degrees of freedom 
# Null hypothesis probability =   6.906474e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.489961 ( -0.184559  0.185366 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.36363e-08 ( -1.04002e-08  1.17309e-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: -9.85532     ( 9.90637   10.8375 )
Epeak [keV] : 25.7103      ( -1.94481 7.05045 )
Norm@50keV  : 2.56968E+06    ( -3.06129e+06   1.75787e+07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.51 using 59 PHA bins.
# Reduced chi-squared =         0.8126 for     56 degrees of freedom 
# Null hypothesis probability =   8.406229e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.484477 ( -0.15893  0.181013 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.96601e-08 ( -6.56435e-09  9.3228e-09 ) 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   ( -8.04156   -5 )
beta        : -5.37971    ( 5.27229   2.28428 )
Epeak [keV] : 26.1448      ( -5.69662 5.18042 )
Norm@50keV   : 615.238    ( -203.652   2670.54 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.71 using 59 PHA bins.
# Reduced chi-squared =         0.8311 for     55 degrees of freedom 
# Null hypothesis probability =   8.097103e-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]    : 6.52764  (-1.69916  2.22766)
R^2/D10^2   : 1.46010  (-1.46021   3.76081)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.52 using 59 PHA bins.
# Reduced chi-squared =         0.8161 for     57 degrees of freedom 
# Null hypothesis probability =   8.378938e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.463e-09   5.668e-09
25- 50  1.128e-08   6.861e-09
50-150  1.441e-09   1.272e-09
15-150  2.218e-08   1.389e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 22.9045       (-11.2559      23.1513)
Norm        : 5.44241       (-2.77516     5.76242)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.72 using 59 PHA bins.
# Reduced chi-squared =         0.8548 for     57 degrees of freedom 
# Null hypothesis probability =   7.743256e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.612e-09   5.774e-09
25- 50  9.295e-09   6.287e-09
50-150  3.464e-09   3.671e-09
15-150  2.237e-08   1.506e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.56675        (-6.55524      -6.55524)
R1^2/D10^2  : 1.18062        (-1.18416      -1.18416)
kT2 [keV]   : 6.43918        (-6.49514      -6.49514)
R2^2/D10^2  : 0.264640    (-0.270663   -0.270663)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.52 using 59 PHA bins.
# Reduced chi-squared =         0.8458 for     55 degrees of freedom 
# Null hypothesis probability =   7.852329e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.440e-09   3.082e-02
25- 50  1.131e-08   2.587e-01
50-150  1.461e-09   5.197e+00
15-150  2.221e-08   6.856e+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: 2.72769     ( -0.646816   0.891131 )
Norm@50keV  : 2.15645E-03    ( -0.00130443   0.00145856 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.22 using 59 PHA bins.
# Reduced chi-squared =         0.8986 for     57 degrees of freedom 
# Null hypothesis probability =   6.906474e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.489961 ( -0.184559  0.185366 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.36363e-08 ( -1.04002e-08  1.17309e-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: -9.85532     ( 9.90637   10.8375 )
Epeak [keV] : 25.7103      ( -1.94481 7.05045 )
Norm@50keV  : 2.56968E+06    ( -3.06129e+06   1.75787e+07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.51 using 59 PHA bins.
# Reduced chi-squared =         0.8126 for     56 degrees of freedom 
# Null hypothesis probability =   8.406229e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.484477 ( -0.15893  0.181013 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.96601e-08 ( -6.56435e-09  9.3228e-09 ) 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   ( -8.04156   -5 )
beta        : -5.37971    ( 5.27229   2.28428 )
Epeak [keV] : 26.1448      ( -5.69662 5.18042 )
Norm@50keV   : 615.238    ( -203.652   2670.54 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.71 using 59 PHA bins.
# Reduced chi-squared =         0.8311 for     55 degrees of freedom 
# Null hypothesis probability =   8.097103e-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]    : 6.52764  (-1.69916  2.22766)
R^2/D10^2   : 1.46010  (-1.46021   3.76081)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.52 using 59 PHA bins.
# Reduced chi-squared =         0.8161 for     57 degrees of freedom 
# Null hypothesis probability =   8.378938e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.463e-09   5.888e-09
25- 50  1.128e-08   7.337e-09
50-150  1.441e-09   1.374e-09
15-150  2.218e-08   1.371e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 22.9045       (-11.2559      23.1513)
Norm        : 5.44241       (-2.77516     5.76242)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.72 using 59 PHA bins.
# Reduced chi-squared =         0.8548 for     57 degrees of freedom 
# Null hypothesis probability =   7.743256e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.612e-09   5.857e-09
25- 50  9.295e-09   6.338e-09
50-150  3.464e-09   3.553e-09
15-150  2.237e-08   1.486e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.56675        (-6.55524      -6.55524)
R1^2/D10^2  : 1.18062        (-1.18416      -1.18416)
kT2 [keV]   : 6.43918        (-6.49514      -6.49514)
R2^2/D10^2  : 0.264640    (-0.270663   -0.270663)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.52 using 59 PHA bins.
# Reduced chi-squared =         0.8458 for     55 degrees of freedom 
# Null hypothesis probability =   7.852329e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.440e-09   3.147e-02
25- 50  1.131e-08   2.459e-01
50-150  1.461e-09   6.205e+00
15-150  2.221e-08   6.487e+00
Plot creation:
Sun Dec 10 18:15:05 EST 2017