batgrbproduct Analysis for Trigger=682614

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Apr 13 19:56:31 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger682614/GCN5_download_cron
======================================================================

  Trigger: 00682614      Segment: 000

  BAT Trigger Time: 482186379.008   [s; MET]
      Trigger Stop: 482186380.032   [s; MET]
               UTC: 2016-04-12T20:39:22.891560    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 58.9583287781641   Dec: -8.34582114153904  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.69
     Image Trigger?:     NO
     Rate S/N Ratio:     13.6381816969859  [ if not an image trigger ]
     Image S/N Ratio:    6.69

  Flight Position:   [ source = BAT ]
    RA: 58.9583287781641   Dec: -8.34582114153904  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 58.9382645814472   Dec: -8.32523058094346  [deg; J2000]  
        { 03h 55m 45.2s , -08d 19' 30.8" }
         +/- 4.97880486942968 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.33178350290063 [arcmin] (formal 1-sigma fit error)
    SNR: 3.07061503406754
 
  Angular difference between Flight and Ground position is 1.716129 arcmin
 
  Partial Coding Fraction: 0.9921875    [ 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    -0.003590   0.011947   0.048778   0.067540
           0.010794   0.013710   0.011698   0.015036 [error]
 Peak     -0.003590   0.011947   0.048778   0.067540
           0.010794   0.013710   0.011698   0.015036 [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 1.31e-09 6.78e-09 3.01e-08 5.35e-07 9.22e-08 5.73e-07   erg/cm2
              Error 1.87e-09 6.33e-09 2.06e-08 8.49e-07 3.28e-08 8.39e-07   erg/cm2
Peak flux Power-law 3.99e-02 1.10e-01 2.43e-01 1.43e+00 6.55e-01 1.82e+00   ph/cm2/s
              Error 5.77e-02 1.05e-01 1.68e-01 1.91e+00 2.55e-01 1.77e+00   ph/cm2/s
 
Fluence   Cutoff-PL 1.17e-09 6.80e-09 3.13e-08 3.54e-07 9.18e-08 3.68e-07   erg/cm2
              Error 1.86e-09 6.55e-09 1.54e-08 7.83e-07 4.29e-08 --------   erg/cm2
Peak flux Cutoff-PL 3.42e-02 1.09e-01 2.56e-01 9.57e-01 6.54e-01 1.16e+00   ph/cm2/s
              Error 5.76e-02 1.07e-01 1.37e-01 -------- 2.50e-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   -0.150    1.517    -      -           4.59e-03 3.68e-03   73.050 57
CPL  -0.163    3.383    9993.2    0.0      4.65e-03 1.62e+01   73.050 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -0.150    1.517    -      -           4.59e-03 3.68e-03   73.050 57
CPL  -0.163    3.383    9993.2    0.0      4.65e-03 1.62e+01   73.050 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
   58.9383  -8.3252 0.0625   17.5 -146.9       0.0887     3.1  TRIG_00682614       
------------------------------------------
 
Foreground time interval of the image:
  0.000   1.024 (delta_t =   1.024 [sec])
Background time interval of the image:
-60.008 -37.398 (delta_t =  22.610 [sec])
-36.008 -11.008 (delta_t =  25.000 [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: -0.149922     ( -2.27086   0.762809 )
Norm@50keV  : 4.58592E-03    ( -0.00458598   0.00276718 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.282 for     57 degrees of freedom 
# Null hypothesis probability =   7.455345e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.655349 ( -0.251038  0.258525 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.21705e-08 ( -3.27207e-08  3.28099e-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: -0.162754     ( -4.49583   2.27024 )
Epeak [keV] : 9993.20      ( -9992.05 -9992.05 )
Norm@50keV  : 4.65105E-03    ( -0.00175859   32.4158 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.304 for     56 degrees of freedom 
# Null hypothesis probability =   6.263608e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.653605 ( -0.239789  0.260175 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.18219e-08 ( -5.23906e-08  3.33191e-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       : -0.289135   ( 0.289135   0.289135 )
beta        : 0.149906    ( -0.762573   1.73852 )
Epeak [keV] : 24.3399      ( -24.34 -24.34 )
Norm@50keV   : 6.47708E-03    ( -0.00647707   15063.2 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.328 for     55 degrees of freedom 
# Null hypothesis probability =   5.216575e-02
 
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]    : 54.1994  (-30.0283  -54.9207)
R^2/D10^2   : 2.77335E-03  (-0.00268294   0.0165123)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.21 using 59 PHA bins.
# Reduced chi-squared =          1.284 for     57 degrees of freedom 
# Null hypothesis probability =   7.272716e-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
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-100.344      -200)
Norm        : 1.98688       (-1.13851     1.13851)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          86.70 using 59 PHA bins.
# Reduced chi-squared =          1.521 for     57 degrees of freedom 
# Null hypothesis probability =   6.813883e-03
 
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]   : 20.3725        (-20.4208      -20.4208)
R1^2/D10^2  : 1.30692E-02        (-0.0130053      -0.0130053)
kT2 [keV]   : 199.277        (-199.293      -199.293)
R2^2/D10^2  : 2.40509E-04    (-0.000237882   0.0153679)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.21 using 59 PHA bins.
#Fit statistic : Chi-Squared =          72.58 using 59 PHA bins.
# Reduced chi-squared =          1.331 for     55 degrees of freedom 
# Reduced chi-squared =          1.320 for     55 degrees of freedom 
# Null hypothesis probability =   5.080521e-02
# Null hypothesis probability =   5.626761e-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

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: -0.149922     ( -2.27086   0.762809 )
Norm@50keV  : 4.58592E-03    ( -0.00458598   0.00276718 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.282 for     57 degrees of freedom 
# Null hypothesis probability =   7.455345e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.655349 ( -0.251038  0.258525 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.21705e-08 ( -3.27207e-08  3.28099e-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: -0.162754     ( -4.49579   2.27024 )
Epeak [keV] : 9993.20      ( -9992.05 -9992.05 )
Norm@50keV  : 4.65105E-03    ( -0.00175859   32.4158 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.304 for     56 degrees of freedom 
# Null hypothesis probability =   6.263608e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.653605 ( -0.239789  0.260175 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.18219e-08 ( -5.23906e-08  3.33191e-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       : -0.289135   ( 0.289135   0.289135 )
beta        : 0.149906    ( -0.762573   1.73852 )
Epeak [keV] : 24.3399      ( -24.34 -24.34 )
Norm@50keV   : 6.47708E-03    ( -0.00647707   15063.2 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.05 using 59 PHA bins.
# Reduced chi-squared =          1.328 for     55 degrees of freedom 
# Null hypothesis probability =   5.216575e-02
 
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]    : 54.1994  (-30.0283  -54.9207)
R^2/D10^2   : 2.77335E-03  (-0.00268294   0.0165123)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.21 using 59 PHA bins.
# Reduced chi-squared =          1.284 for     57 degrees of freedom 
# Null hypothesis probability =   7.272716e-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
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-100.344      -200)
Norm        : 1.98688       (-1.13851     1.13851)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          86.70 using 59 PHA bins.
# Reduced chi-squared =          1.521 for     57 degrees of freedom 
# Null hypothesis probability =   6.813883e-03
 
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]   : 20.3725        (-20.4208      -20.4208)
R1^2/D10^2  : 1.30692E-02        (-0.0130053      -0.0130053)
kT2 [keV]   : 199.277        (-199.293      -199.293)
R2^2/D10^2  : 2.40509E-04    (-0.000237882   0.0153679)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.21 using 59 PHA bins.
#Fit statistic : Chi-Squared =          72.58 using 59 PHA bins.
# Reduced chi-squared =          1.331 for     55 degrees of freedom 
# Reduced chi-squared =          1.320 for     55 degrees of freedom 
# Null hypothesis probability =   5.080521e-02
# Null hypothesis probability =   5.626761e-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
Plot creation:
Wed Apr 13 19:59:14 EDT 2016