batgrbproduct Analysis for Trigger=658045

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Oct  9 04:00:37 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger658045/GCN5_download_cron
======================================================================

  Trigger: 00658045      Segment: 000

  BAT Trigger Time: 465976082.496   [s; MET]
      Trigger Stop: 465976083.52   [s; MET]
               UTC: 2015-10-08T05:47:47.254140    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 117.932480117515   Dec: -54.0504059997433  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.81
     Image Trigger?:     NO
     Rate S/N Ratio:     28.7923600977759  [ if not an image trigger ]
     Image S/N Ratio:    6.81

  Flight Position:   [ source = BAT ]
    RA: 117.932480117515   Dec: -54.0504059997433  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 118.053166592299   Dec: -54.0070147002723  [deg; J2000]  
        { 07h 52m 12.8s , -54d 00' 25.3" }
         +/- 5.59031247397846 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.81951088135282 [arcmin] (formal 1-sigma fit error)
    SNR: 2.6022711448314
 
  Angular difference between Flight and Ground position is 4.986871 arcmin
 
  Partial Coding Fraction: 0.7265625    [ 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    -0.009238   0.024999   0.005746   0.055622
           0.012178   0.014663   0.013742   0.017049 [error]
 Peak     -0.009238   0.024999   0.005746   0.055622
           0.012178   0.014663   0.013742   0.017049 [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 7.68e-107.54e-12 3.60e-091.47e-10 1.43e-082.78e-09 2.15e-075.33e-07 4.26e-081.47e-08 2.33e-075.36e-07   erg/cm2
              Error 2.46e-09 5.41e-09 1.37e-08 6.57e-07 3.75e-08 6.63e-07   erg/cm2
Peak flux Power-law 2.34e-022.21e-04 5.85e-022.20e-03 1.17e-014.90e-03 5.83e-011.21e+00 3.15e-017.88e-02 7.79e-011.24e+00   ph/cm2/s
              Error 7.71e-02 9.16e-02 1.12e-01 1.53e+00 3.18e-01 1.58e+00   ph/cm2/s
 
Fluence   Cutoff-PL 6.95e-10 3.61e-09 1.47e-08 1.38e-07 4.24e-08 1.41e-07   erg/cm2
              Error 2.45e-09 9.96e-09 -------- 9.43e-07 2.84e-08 4.16e-06   erg/cm2
Peak flux Cutoff-PL 2.47e-02 6.03e-02 1.17e-01 5.59e-01 3.17e-01 7.64e-01   ph/cm2/s
              Error 7.67e-02 9.65e-02 1.24e-01 3.06e+01 3.10e-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   -2.146    0.913    -      -           1.56e-04 2.68e-03   46.400 57
CPL  -0.018    0.000    10000.0    0.0      2.35e-03 0.00e+00   46.660 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -2.146    0.913    -      -           1.56e-04 2.68e-03   46.400 57
CPL  -0.018    0.000    10000.0    0.0      2.35e-03 0.00e+00   46.660 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
  118.0532 -54.0070 0.0744   32.1 -151.5       0.0747     2.6  TRIG_00658045       
------------------------------------------
 
Foreground time interval of the image:
  0.000   1.024 (delta_t =   1.024 [sec])
Background time interval of the image:
-35.295 -10.496 (delta_t =  24.799 [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: -2.14582     ( 2.13942   3.96602 )
Norm@50keV  : 1.55686E-04    ( -0.000162443   0.00520016 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.40 using 59 PHA bins.
# Reduced chi-squared =         0.8140 for     57 degrees of freedom 
# Null hypothesis probability =   8.409716e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.314985 7.88258E-02 ( -0.31224  0.322927 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.97846e-16 ( -3.73707e-08  3.76862e-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: -1.80082E-02     ( 0.112682   0.112682 )
Epeak [keV] : 1.00000E+04      ( -10000 -10000 )
Norm@50keV  : 2.35259E-03    ( -0.00235456   -0.00235456 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.66 using 59 PHA bins.
# Reduced chi-squared =         0.8333 for     56 degrees of freedom 
# Null hypothesis probability =   8.085513e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.317189 9.17935E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.2358e-08 ( -1.89548e-08  3.7821e-08 ) 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       : -0.185001   ( 0.185001   0.185001 )
beta        : -2.86975E-03    ( 0.00286977   0.00286977 )
Epeak [keV] : 28.3943      ( -28.3943 -28.3943 )
Norm@50keV   : 3.19772E-03    ( -0.00319774   16127.2 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.66 using 59 PHA bins.
# Reduced chi-squared =         0.8484 for     55 degrees of freedom 
# Null hypothesis probability =   7.807197e-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]    : 196.409  (-196.307  -196.307)
R^2/D10^2   : 1.50885E-04  (-0.000151088   0.204051)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
# Reduced chi-squared =         0.8224 for     57 degrees of freedom 
# Null hypothesis probability =   8.283589e-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
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 7.00000       (-7      -7)
Norm        : 0.0       (0     0)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.20 using 59 PHA bins.
# Reduced chi-squared =         0.8808 for     57 degrees of freedom 
# Null hypothesis probability =   7.259806e-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
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 13.2418        (-13.2094      -13.2094)
R1^2/D10^2  : 3.07219E-02        (-0.0299288      -0.0299288)
kT2 [keV]   : 199.363        (-199.363      -199.363)
R2^2/D10^2  : 1.14757E-04    (-0.00011899   0.142581)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.84 using 59 PHA bins.
#Fit statistic : Chi-Squared =          46.42 using 59 PHA bins.
# Reduced chi-squared =         0.8516 for     55 degrees of freedom 
# Reduced chi-squared =         0.8440 for     55 degrees of freedom 
# Null hypothesis probability =   7.752457e-01
# Null hypothesis probability =   7.883421e-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: -2.14582     ( 2.13942   3.96602 )
Norm@50keV  : 1.55686E-04    ( -0.000162443   0.00520016 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.40 using 59 PHA bins.
# Reduced chi-squared =         0.8140 for     57 degrees of freedom 
# Null hypothesis probability =   8.409716e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.314985 7.88258E-02 ( -0.31224  0.322927 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.97846e-16 ( -3.73707e-08  3.76862e-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: -1.80082E-02     ( 0.112682   0.112682 )
Epeak [keV] : 1.00000E+04      ( -10000 -10000 )
Norm@50keV  : 2.35259E-03    ( -0.00235456   -0.00235456 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.66 using 59 PHA bins.
# Reduced chi-squared =         0.8333 for     56 degrees of freedom 
# Null hypothesis probability =   8.085513e-01
 
Photon flux (15-150 keV)    in 1.024 sec: 0.317189 9.17935E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.2358e-08 ( -1.89548e-08  3.7821e-08 ) 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       : -0.185001   ( 0.185001   0.185001 )
beta        : -2.86975E-03    ( 0.00286977   0.00286977 )
Epeak [keV] : 28.3943      ( -28.3943 -28.3943 )
Norm@50keV   : 3.19772E-03    ( -0.00319774   16127.2 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.66 using 59 PHA bins.
# Reduced chi-squared =         0.8484 for     55 degrees of freedom 
# Null hypothesis probability =   7.807197e-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]    : 196.409  (-196.307  -196.307)
R^2/D10^2   : 1.50885E-04  (-0.000151088   0.204051)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
# Reduced chi-squared =         0.8224 for     57 degrees of freedom 
# Null hypothesis probability =   8.283589e-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
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 7.00000       (-7      -7)
Norm        : 0.0       (0     0)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.20 using 59 PHA bins.
# Reduced chi-squared =         0.8808 for     57 degrees of freedom 
# Null hypothesis probability =   7.259806e-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
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 13.2418        (-13.2094      -13.2094)
R1^2/D10^2  : 3.07219E-02        (-0.0299288      -0.0299288)
kT2 [keV]   : 199.363        (-199.363      -199.363)
R2^2/D10^2  : 1.14757E-04    (-0.00011899   0.142581)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.84 using 59 PHA bins.
#Fit statistic : Chi-Squared =          46.42 using 59 PHA bins.
# Reduced chi-squared =         0.8516 for     55 degrees of freedom 
# Reduced chi-squared =         0.8440 for     55 degrees of freedom 
# Null hypothesis probability =   7.752457e-01
# Null hypothesis probability =   7.883421e-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:
Fri Oct  9 04:04:30 EDT 2015