batgrbproduct Analysis for Trigger=630019

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Feb 10 11:33:13 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger630019/batgroup_hand_proc
======================================================================

  Trigger: 00630019      Segment: 000

  BAT Trigger Time: 444925816   [s; MET]
      Trigger Stop: 444925880   [s; MET]
               UTC: 2015-02-06T14:30:02.849200    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 10.0880618864819   Dec: -63.1818740676982  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.92
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    9.92

  Flight Position:   [ source = BAT ]
    RA: 10.0880618864819   Dec: -63.1818740676982  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 10.0708661913043   Dec: -63.1803951889171  [deg; J2000]  
        { 00h 40m 17.0s , -63d 10' 49.4" }
         +/- 0.793781904346877 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.141580027505718 [arcmin] (formal 1-sigma fit error)
    SNR: 42.3060412294358
 
  Angular difference between Flight and Ground position is 0.473874 arcmin
 
  Partial Coding Fraction: 0.484375    [ including projection effects ]

  Duration
     T90: 76.5919999480247 +/- 12.5620842353207
        Measured from: 38.0519999861717
                   to: 114.643999934196     [s; relative to TRIGTIME]
     T50: 18.1399999260902 +/- 0.483735484119833
        Measured from: 81.188000023365
                   to: 99.3279999494553     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 98.972000002861     
                   to: 99.972000002861     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -22.2519999742508     
                   to: 389.648000001907     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     5.096592   7.471370   6.726898   1.771601
           0.166105   0.163937   0.144209   0.125566 [error]
 Peak      0.240429   0.428049   0.418580   0.114477
           0.012452   0.014764   0.015058   0.011115 [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 1.74e-06 3.39e-06 5.11e-06 1.67e-05 1.43e-05 2.69e-05   erg/cm2
              Error 9.37e-08 1.06e-07 1.52e-07 1.16e-06 3.81e-07 1.23e-06   erg/cm2
Peak flux Power-law 2.66e+00 3.20e+00 2.79e+00 4.15e+00 1.01e+01 1.28e+01   ph/cm2/s
              Error 2.03e-01 1.48e-01 1.23e-01 3.91e-01 4.04e-01 5.19e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.62e-06 3.43e-06 5.24e-06 1.19e-05 1.41e-05 2.22e-05   erg/cm2
              Error 1.24e-07 1.13e-07 1.79e-07 2.86e-06 4.17e-07 2.86e-06   erg/cm2
Peak flux Cutoff-PL 2.46e+00 3.26e+00 2.89e+00 3.02e+00 9.97e+00 1.16e+01   ph/cm2/s
              Error 2.58e-01 1.60e-01 1.52e-01 8.17e-01 4.21e-01 9.25e-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    1.407    0.048    -      -           3.61e-03 9.27e-05   50.040 57
CPL   1.137    0.200     181.6  175.8      4.76e-03 9.56e-04   44.430 56
 
The chi2 of BB fit is Chi-Squared Chi-Squared which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.200    0.068    -      -           8.61e-02 3.32e-03   38.050 57
CPL   0.881    0.278     197.3  353.5      1.20e-01 3.50e-02   33.950 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: 34.048000 sec.
T50 in the 50-300 keV band: 15.808000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  411.900  -22.252  389.648
T90    76.592   38.052  114.644
T50    18.140   81.188   99.328
Peak    1.000   98.972   99.972

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
   10.0709   -63.1804   0.0046    34.9509   -46.4961        21.6104304     42.306 TRIG_00630019                 
 
Foreground time interval of the image:
-13.699 389.648 (delta_t = 403.347 [sec])
Background time interval of the image:

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  -22.252 sec. to  389.648 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.40727     ( -0.048153   0.048035 )
Norm@50keV  : 3.61011E-03    ( -9.27596e-05   9.27393e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.04 using 59 PHA bins.
# Reduced chi-squared =         0.8779 for     57 degrees of freedom 
# Null hypothesis probability =   7.315489e-01
 
Photon flux (15-150 keV)    in 411.9 sec: 0.440376 ( -0.0127094  0.012752 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.43472e-05 ( -3.8131e-07  3.81657e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -22.252 sec. to  389.648 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.13726     ( -0.20478   0.195676 )
Epeak [keV] : 181.629      ( -54.1198 297.43 )
Norm@50keV  : 4.75524E-03    ( -0.000841379   0.0010714 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.43 using 59 PHA bins.
# Reduced chi-squared =         0.7934 for     56 degrees of freedom 
# Null hypothesis probability =   8.675791e-01
 
Photon flux (15-150 keV)    in 411.9 sec: 0.431660 ( -0.014017  0.014076 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.41288e-05 ( -4.17625e-07  4.15401e-07 ) ergs/cm2
 
Band function
Time interval is from  -22.252 sec. to  389.648 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.11871   ( -0.206892   0.527779 )
beta        : -1.70735    ( 1.6865   0.248423 )
Epeak [keV] : 171.093      ( -104.966 267.087 )
Norm@50keV   : 4.85620E-03    ( -0.000870167   0.00561777 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.24 using 59 PHA bins.
# Reduced chi-squared =         0.8043 for     55 degrees of freedom 
# Null hypothesis probability =   8.501932e-01
 
Photon flux (15-150 keV)    in 411.9 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]    : 18.2473  (  )
R^2/D10^2   : 2.52876E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         304.56 using 59 PHA bins.
# Reduced chi-squared =         5.3431 for     57 degrees of freedom 
# Null hypothesis probability =   1.642823e-35
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.913e-07   4.057e-08
25- 50  3.230e-06   1.170e-07
50-150  7.833e-06   3.130e-07
15-150  1.175e-05   3.522e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 1.84960       (-0.047525     0.0475036)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          83.19 using 59 PHA bins.
# Reduced chi-squared =          1.460 for     57 degrees of freedom 
# Null hypothesis probability =   1.339290e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.898e-06   5.705e-08
25- 50  3.650e-06   1.024e-07
50-150  8.006e-06   2.327e-07
15-150  1.355e-05   3.892e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.40762        (-0.869096      0.985299)
R1^2/D10^2  : 0.323446        (-0.10818      0.179253)
kT2 [keV]   : 27.6156        (-2.35659      3.1789)
R2^2/D10^2  : 5.08291E-03    (-0.00164794   0.00196919)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.79 using 59 PHA bins.
# Reduced chi-squared =         0.9781 for     55 degrees of freedom 
# Null hypothesis probability =   5.207546e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.503e-06   1.563e-07
25- 50  3.454e-06   1.874e-07
50-150  9.034e-06   5.581e-07
15-150  1.399e-05   6.632e-07

Peak spectrum fit

Power-law model
Time interval is from   98.972 sec. to   99.972 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.20036     ( -0.0676543   0.0675301 )
Norm@50keV  : 8.61228E-02    ( -0.00331797   0.00331779 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.05 using 59 PHA bins.
# Reduced chi-squared =         0.6676 for     57 degrees of freedom 
# Null hypothesis probability =   9.748008e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.1096 ( -0.404236  0.404681 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.73662e-07 ( -3.69749e-08  3.70562e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   98.972 sec. to   99.972 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.881260     ( -0.287078   0.269793 )
Epeak [keV] : 197.316      ( -67.5691 639.378 )
Norm@50keV  : 0.120377    ( -0.0290541   0.0409525 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.95 using 59 PHA bins.
# Reduced chi-squared =         0.6062 for     56 degrees of freedom 
# Null hypothesis probability =   9.913335e-01
 
Photon flux (15-150 keV)    in 1 sec: 9.96605 ( -0.42063  0.42115 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.6096e-07 ( -3.924e-08  3.9032e-08 ) ergs/cm2
 
Band function
Time interval is from   98.972 sec. to   99.972 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.627141   ( -0.561536   1.3589 )
beta        : -1.35587    ( 1.35612   0.150575 )
Epeak [keV] : 111.589      ( -60.8852 307.966 )
Norm@50keV   : 0.169725    ( -0.0847509   1.13614 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.42 using 59 PHA bins.
# Reduced chi-squared =         0.6076 for     55 degrees of freedom 
# Null hypothesis probability =   9.905313e-01
 
Photon flux (15-150 keV)    in 1 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]    : 19.2206  (  )
R^2/D10^2   : 0.533634  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         145.93 using 59 PHA bins.
# Reduced chi-squared =         2.5602 for     57 degrees of freedom 
# Null hypothesis probability =   9.747140e-10
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.859e-08   3.165e-09
25- 50  1.871e-07   1.010e-08
50-150  5.091e-07   3.365e-08
15-150  7.348e-07   3.555e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 42.0118       (-1.65181     1.65143)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         111.51 using 59 PHA bins.
# Reduced chi-squared =         1.9562 for     57 degrees of freedom 
# Null hypothesis probability =   2.150870e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.046e-07   4.685e-09
25- 50  2.012e-07   8.300e-09
50-150  4.413e-07   1.965e-08
15-150  7.471e-07   3.495e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.81829        (-1.49551      1.67492)
R1^2/D10^2  : 3.85283        (-1.46436      2.88291)
kT2 [keV]   : 32.8490        (-4.87066      8.49934)
R2^2/D10^2  : 7.46457E-02    (-0.0395043   0.0560426)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.07 using 59 PHA bins.
# Reduced chi-squared =         0.6741 for     55 degrees of freedom 
# Null hypothesis probability =   9.696302e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.959e-08   1.121e-08
25- 50  1.948e-07   2.215e-08
50-150  5.988e-07   9.915e-08
15-150  8.632e-07   1.245e-07
Plot creation:
Tue Feb 10 14:15:00 EST 2015