batgrbproduct Analysis for Trigger=619182

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Nov 21 14:14:31 EST 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger619182/GCN5_download_cron
======================================================================

  Trigger: 00619182      Segment: 000

  BAT Trigger Time: 438234656   [s; MET]
      Trigger Stop: 438234944   [s; MET]
               UTC: 2014-11-21T03:50:43.185060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 122.667985354439   Dec: 22.2254978756992  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.91
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    11.91

  Flight Position:   [ source = BAT ]
    RA: 122.667985354439   Dec: 22.2254978756992  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 122.664098110896   Dec: 22.2052739009469  [deg; J2000]  
        { 08h 10m 39.4s , +22d 12' 19.0" }
         +/- 2.08500463733457 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.935721243307916 [arcmin] (formal 1-sigma fit error)
    SNR: 10.6475870919124
 
  Angular difference between Flight and Ground position is 1.232499 arcmin
 
  Partial Coding Fraction: 0.328125    [ including projection effects ]

  Duration
     T90: 563.05999994278 +/- 37.8222135391303
        Measured from: 72.608000099659
                   to: 635.668000042439     [s; relative to TRIGTIME]
     T50: 193.567999958992 +/- 52.552021295166
        Measured from: 154.64400011301
                   to: 348.212000072002     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 230.143999993801     
                   to: 231.143999993801     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 46.5440000295639     
                   to: 663.068000018597     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.600291   3.586576   2.041054   0.587966
           0.205722   0.213371   0.186267   0.169372 [error]
 Peak      0.039614   0.034297   0.025856   0.005305
           0.009918   0.010613   0.009661   0.008735 [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 9.03e-07 1.44e-06 1.74e-06 4.10e-06 5.26e-06 8.19e-06   erg/cm2
              Error 1.03e-07 1.04e-07 1.86e-07 9.10e-07 4.36e-07 1.08e-06   erg/cm2
Peak flux Power-law 3.84e-01 3.00e-01 1.57e-01 1.19e-01 8.95e-01 9.59e-01   ph/cm2/s
              Error 1.52e-01 8.63e-02 7.86e-02 1.15e-01 2.55e-01 2.84e-01   ph/cm2/s
 
Fluence   Cutoff-PL 8.70e-07 1.50e-06 1.75e-06 2.40e-06 5.10e-06 6.52e-06   erg/cm2
              Error 1.17e-07 1.35e-07 1.96e-07 1.92e-06 5.07e-07 1.78e-06   erg/cm2
Peak flux Cutoff-PL 3.56e-01 3.21e-01 1.63e-01 6.34e-02 8.81e-01 9.06e-01   ph/cm2/s
              Error 1.89e-01 1.11e-01 8.81e-02 1.31e-01 2.54e-01 2.20e-01   ph/cm2/s
 
Fluence        Band 8.33e-07 1.55e-06 1.68e-06 3.24e-06 5.09e-06 7.35e-06   erg/cm2
              Error 1.56e-07 -------- 2.02e-07 -------- 4.92e-07 --------   erg/cm2
Peak flux      Band 3.69e-01 3.15e-01 1.61e-01 8.47e-02 8.96e-01 9.34e-01   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    1.730    0.130    -      -           9.24e-04 7.28e-05   59.790 57
CPL   1.417    0.506      84.8  -27.3      1.37e-03 9.07e-04   58.660 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.933    0.580    -      -           6.15e-03 2.36e-03   64.150 57
CPL   1.343    1.948      52.4    0.0      1.28e-02 0.00e+00   63.910 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: 382.144000 sec.
T50 in the 50-300 keV band: 192.192000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  616.524   46.544  663.068
T90   563.060   72.608  635.668
T50   193.568  154.644  348.212
Peak    1.000  230.144  231.144

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  122.6641 +22.2053 0.0179   31.2  116.3       4.7845    10.6  TRIG_00619182       
------------------------------------------
 
Foreground time interval of the image:
 46.544 298.301 (delta_t = 251.757 [sec])
Background time interval of the image:
-239.000  46.544 (delta_t = 285.544 [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   46.544 sec. to  663.068 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.72984     ( -0.129245   0.131517 )
Norm@50keV  : 9.24351E-04    ( -7.32245e-05   7.24736e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.79 using 59 PHA bins.
# Reduced chi-squared =          1.049 for     57 degrees of freedom 
# Null hypothesis probability =   3.747112e-01
 
Photon flux (15-150 keV)    in 616.5 sec: 0.124072 ( -0.00902944  0.00903783 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.26487e-06 ( -4.33332e-07  4.377e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   46.544 sec. to  663.068 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.41650     ( -0.565053   0.446349 )
Epeak [keV] : 84.7725      ( -30.1296 -84.7754 )
Norm@50keV  : 1.36880E-03    ( -0.000428303   0.00138616 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.66 using 59 PHA bins.
# Reduced chi-squared =          1.047 for     56 degrees of freedom 
# Null hypothesis probability =   3.783076e-01
 
Photon flux (15-150 keV)    in 616.5 sec: 0.122286 ( -0.009466  0.009453 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.10308e-06 ( -5.06954e-07  5.0696e-07 ) ergs/cm2
 
Band function
Time interval is from   46.544 sec. to  663.068 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.78102   ( -11.678   -4.78102 )
beta        : -1.83626    ( -0.16158   0.152429 )
Epeak [keV] : 24.0946      ( -4.47502 3.47539 )
Norm@50keV   : 103.096    ( -7.34918   1156.97 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.82 using 59 PHA bins.
# Reduced chi-squared =          1.033 for     55 degrees of freedom 
# Null hypothesis probability =   4.070844e-01
 
Photon flux (15-150 keV)    in 616.5 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.09363e-06 ( -5.08931e-06  -4.64859e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 11.8088  (-1.03801  1.16159)
R^2/D10^2   : 3.14196E-02  (-0.00927284   0.0128807)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          99.59 using 59 PHA bins.
# Reduced chi-squared =          1.747 for     57 degrees of freedom 
# Null hypothesis probability =   4.140544e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.704e-07   7.090e-08
25- 50  1.761e-06   1.541e-07
50-150  1.461e-06   2.623e-07
15-150  3.793e-06   3.267e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 119.983       (-32.3589      50.5934)
Norm        : 0.525413       (-0.0475938     0.059101)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.74 using 59 PHA bins.
# Reduced chi-squared =          1.031 for     57 degrees of freedom 
# Null hypothesis probability =   4.113318e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.437e-07   8.847e-08
25- 50  1.509e-06   1.436e-07
50-150  2.693e-06   9.987e-07
15-150  5.046e-06   1.069e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.51726        (-1.44447      1.44808)
R1^2/D10^2  : 0.123894        (-0.0538659      0.0716485)
kT2 [keV]   : 29.1425        (-8.36582      20.3726)
R2^2/D10^2  : 8.28375E-04    (-0.0006622   0.00206647)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.26 using 59 PHA bins.
# Reduced chi-squared =          1.041 for     55 degrees of freedom 
# Null hypothesis probability =   3.912145e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.113e-07   1.755e-07
25- 50  1.583e-06   3.505e-07
50-150  2.800e-06   1.344e-06
15-150  5.195e-06   1.599e-06

Peak spectrum fit

Power-law model
Time interval is from  230.144 sec. to  231.144 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.93265     ( -0.51293   0.646351 )
Norm@50keV  : 6.14824E-03    ( -0.00246169   0.00225201 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.15 using 59 PHA bins.
# Reduced chi-squared =          1.125 for     57 degrees of freedom 
# Null hypothesis probability =   2.402501e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.894820 ( -0.254763  0.254805 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.65541e-08 ( -2.0277e-08  2.14678e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  230.144 sec. to  231.144 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.34263     ( -3.05415   0.842801 )
Epeak [keV] : 52.3852      (   )
Norm@50keV  : 1.27761E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.91 using 59 PHA bins.
# Reduced chi-squared =          1.141 for     56 degrees of freedom 
# Null hypothesis probability =   2.184167e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.881436 ( -0.251449  0.257014 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.49859e-08 ( -1.96923e-08  2.20788e-08 ) ergs/cm2
 
Band function
Time interval is from  230.144 sec. to  231.144 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.44035   ( -6.02875   3.2538 )
beta        : -10.0000    ( 10   5.32907e-15 )
Epeak [keV] : 51.5827      ( -39.9256 -51.7556 )
Norm@50keV   : 1.15103E-02    ( -0.00712142   0.413985 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.92 using 59 PHA bins.
# Reduced chi-squared =          1.162 for     55 degrees of freedom 
# Null hypothesis probability =   1.918190e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.895943 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.46932e-08 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 12.9491  (-3.58316  4.54586)
R^2/D10^2   : 0.169243  (-0.169238   0.363784)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.17 using 59 PHA bins.
# Reduced chi-squared =          1.161 for     57 degrees of freedom 
# Null hypothesis probability =   1.898380e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.019e-09   3.796e-09
25- 50  2.064e-08   1.306e-08
50-150  2.183e-08   1.462e-08
15-150  4.849e-08   3.029e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 81.7935       (-47.5397      -81.7935)
Norm        : 4.20393       (-1.37652     2.33952)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.95 using 59 PHA bins.
# Reduced chi-squared =          1.122 for     57 degrees of freedom 
# Null hypothesis probability =   2.457073e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.092e-08   6.745e-09
25- 50  1.808e-08   1.113e-08
50-150  2.590e-08   2.278e-08
15-150  5.490e-08   3.819e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.59207        (-1.84621      2.44457)
R1^2/D10^2  : 104.304        (-102.521      573.392)
kT2 [keV]   : 15.3996        (-4.29804      7.14614)
R2^2/D10^2  : 8.01050E-02    (-0.0609081   0.105274)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.44 using 59 PHA bins.
# Reduced chi-squared =          1.099 for     55 degrees of freedom 
# Null hypothesis probability =   2.858492e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.137e-08   6.170e-09
25- 50  1.674e-08   1.014e-08
50-150  2.630e-08   1.871e-08
15-150  5.441e-08   3.090e-08
Plot creation:
Fri Nov 21 14:18:06 EST 2014