batgrbproduct Analysis for Trigger=671447

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jan 24 17:22:26 EST 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger671447/GCN5_download_cron
======================================================================

  Trigger: 00671447      Segment: 000

  BAT Trigger Time: 475232315.904   [s; MET]
      Trigger Stop: 475232316.928   [s; MET]
               UTC: 2016-01-23T08:58:20.166340    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 150.286562972773   Dec: -33.7790721449038  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.65
     Image Trigger?:     NO
     Rate S/N Ratio:     16.9115345252878  [ if not an image trigger ]
     Image S/N Ratio:    8.65

  Flight Position:   [ source = BAT ]
    RA: 150.286562972773   Dec: -33.7790721449038  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 150.276661605786   Dec: -33.7897544489883  [deg; J2000]  
        { 10h 01m 06.4s , -33d 47' 23.1" }
         +/- 1.5718869972961 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.608200666236389 [arcmin] (formal 1-sigma fit error)
    SNR: 15.9410341507683
 
  Angular difference between Flight and Ground position is 0.809076 arcmin
 
  Partial Coding Fraction: 0.6875    [ including projection effects ]

  Duration
     T90: 3.95199990272522 +/- 0.623246350817473
        Measured from: -1.27599984407425
                   to: 2.67600005865097     [s; relative to TRIGTIME]
     T50: 2.1159999370575 +/- 0.459077335217155
        Measured from: -0.547999858856201
                   to: 1.56800007820129     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.00800001621246338     
                   to: 1.00800001621246     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -2.04799997806549     
                   to: 3     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.141894   0.259856   0.143525   0.041684
           0.018826   0.019828   0.016844   0.013424 [error]
 Peak      0.045336   0.071206   0.042803   0.016523
           0.008666   0.009240   0.007887   0.006160 [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 4.77e-08 8.72e-08 1.23e-07 3.61e-07 3.51e-07 6.19e-07   erg/cm2
              Error 7.50e-09 8.82e-09 1.60e-08 9.76e-08 3.92e-08 1.11e-07   erg/cm2
Peak flux Power-law 4.47e-01 4.38e-01 3.00e-01 3.22e-01 1.31e+00 1.51e+00   ph/cm2/s
              Error 1.12e-01 7.18e-02 6.26e-02 1.32e-01 2.10e-01 2.45e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.28e-08 9.79e-08 1.25e-07 9.40e-08 3.22e-07 3.59e-07   erg/cm2
              Error 8.52e-09 1.25e-08 1.88e-08 1.09e-07 4.52e-08 1.16e-07   erg/cm2
Peak flux Cutoff-PL 3.91e-01 4.91e-01 3.14e-01 1.09e-01 1.27e+00 1.30e+00   ph/cm2/s
              Error 1.29e-01 9.67e-02 7.36e-02 1.85e-01 2.15e-01 2.67e-01   ph/cm2/s
 
Fluence        Band 3.88e-08 1.06e-07 1.16e-07 2.16e-07 3.30e-07 4.77e-07   erg/cm2
              Error 9.37e-09 1.39e-08 1.80e-08 1.06e-07 4.11e-08 1.18e-07   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    1.509    0.162    -      -           7.34e-03 7.48e-04   47.690 57
CPL   0.567    0.823      69.6   48.5      2.39e-02 3.28e-02   42.620 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.547    0.261    -      -           1.04e-02 1.74e-03   57.020 57
CPL   0.533    1.301      66.9  -23.9      3.66e-02 1.17e-01   54.700 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: 3.840000 sec.
T50 in the 50-300 keV band: 1.664000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    5.048   -2.048    3.000
T90     3.952   -1.276    2.676
T50     2.116   -0.548    1.568
Peak    1.000    0.008    1.008

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  150.2767 -33.7898 0.0120   23.8 -107.2       0.5671    15.9  TRIG_00671447       
------------------------------------------
 
Foreground time interval of the image:
 -2.048   3.000 (delta_t =   5.048 [sec])
Background time interval of the image:
-239.904  -2.048 (delta_t = 237.856 [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   -2.048 sec. to    3.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.50898     ( -0.161361   0.162288 )
Norm@50keV  : 7.34404E-03    ( -0.000750442   0.000746283 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.69 using 59 PHA bins.
# Reduced chi-squared =         0.8367 for     57 degrees of freedom 
# Null hypothesis probability =   8.053601e-01
 
Photon flux (15-150 keV)    in 5.048 sec: 0.919053 ( -0.0912473  0.0913219 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.51184e-07 ( -3.89806e-08  3.94074e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -2.048 sec. to    3.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.566519     ( -0.914665   0.731449 )
Epeak [keV] : 69.6361      ( -16.0584 81.0006 )
Norm@50keV  : 2.38752E-02    ( -0.0141452   0.0514282 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.62 using 59 PHA bins.
# Reduced chi-squared =         0.7611 for     56 degrees of freedom 
# Null hypothesis probability =   9.061237e-01
 
Photon flux (15-150 keV)    in 5.048 sec: 0.890135 ( -0.094352  0.094228 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.21646e-07 ( -4.47874e-08  4.56713e-08 ) ergs/cm2
 
Band function
Time interval is from   -2.048 sec. to    3.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.78766   ( -1.7042   -1.22764 )
beta        : -1.96951    ( -0.540187   0.346718 )
Epeak [keV] : 39.6727      ( -10.6419 20.2782 )
Norm@50keV   : 0.860797    ( -0.905043   69.3174 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.14 using 59 PHA bins.
# Reduced chi-squared =         0.6935 for     55 degrees of freedom 
# Null hypothesis probability =   9.593859e-01
 
Photon flux (15-150 keV)    in 5.048 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.30179e-07 ( -3.30143e-07  -4.11064e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.0730  (-1.4073  1.64756)
R^2/D10^2   : 0.174344  (-0.0610235   0.0890427)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.65 using 59 PHA bins.
# Reduced chi-squared =         0.9413 for     57 degrees of freedom 
# Null hypothesis probability =   6.013468e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.190e-08   5.300e-09
25- 50  1.105e-07   1.451e-08
50-150  1.198e-07   2.723e-08
15-150  2.622e-07   3.163e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.130       (-77.2341      -199.155)
Norm        : 3.78059       (-0.368203     0.402787)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.90 using 59 PHA bins.
# Reduced chi-squared =         0.7877 for     57 degrees of freedom 
# Null hypothesis probability =   8.773049e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.753e-08   9.399e-09
25- 50  9.142e-08   4.857e-08
50-150  2.004e-07   1.078e-07
15-150  3.394e-07   1.827e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.57290        (-2.09302      2.11108)
R1^2/D10^2  : 0.412940        (-0.185849      0.403329)
kT2 [keV]   : 38.7187        (-31.411      -38.8967)
R2^2/D10^2  : 2.43992E-03    (-0.00217692   0.0167472)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.77 using 59 PHA bins.
# Reduced chi-squared =         0.6867 for     55 degrees of freedom 
# Null hypothesis probability =   9.632053e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.071e-08   1.376e-08
25- 50  1.058e-07   3.628e-08
50-150  1.922e-07   9.828e-08
15-150  3.387e-07   1.373e-07

Peak spectrum fit

Power-law model
Time interval is from    0.008 sec. to    1.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.54653     ( -0.258077   0.264216 )
Norm@50keV  : 1.03842E-02    ( -0.00174889   0.00172744 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.02 using 59 PHA bins.
# Reduced chi-squared =          1.000 for     57 degrees of freedom 
# Null hypothesis probability =   4.741572e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.31326 ( -0.209912  0.210078 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.78054e-08 ( -1.76593e-08  1.79769e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.008 sec. to    1.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.532731     ( -1.50144   1.10018 )
Epeak [keV] : 66.9487      ( -19.1186 -66.9486 )
Norm@50keV  : 3.66208E-02    ( -0.036621   0.1978 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.70 using 59 PHA bins.
# Reduced chi-squared =         0.9768 for     56 degrees of freedom 
# Null hypothesis probability =   5.241891e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.27421 ( -0.21522  0.21508 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.01019e-08 ( -1.89785e-08  1.99801e-08 ) ergs/cm2
 
Band function
Time interval is from    0.008 sec. to    1.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.404832   ( -1.62709   -1.62709 )
beta        : -2.02731    ( 1.93325   0.512874 )
Epeak [keV] : 47.1765      ( -38.5104 65.0448 )
Norm@50keV   : 0.151214    ( -0.152042   255.264 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.31 using 59 PHA bins.
# Reduced chi-squared =         0.9875 for     55 degrees of freedom 
# Null hypothesis probability =   5.008097e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.25019e-08 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.4000  (-2.27459  2.80759)
R^2/D10^2   : 0.229386  (-0.113917   0.216296)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.28 using 59 PHA bins.
# Reduced chi-squared =          1.040 for     57 degrees of freedom 
# Null hypothesis probability =   3.924414e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.728e-09   2.603e-09
25- 50  3.104e-08   7.250e-09
50-150  3.585e-08   1.197e-08
15-150  7.562e-08   2.014e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 188.604       (-97.5028      -186.355)
Norm        : 5.40910       (-0.86589     1.06292)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.75 using 59 PHA bins.
# Reduced chi-squared =         0.9780 for     57 degrees of freedom 
# Null hypothesis probability =   5.221360e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.356e-08   7.730e-09
25- 50  2.592e-08   1.429e-08
50-150  5.579e-08   3.116e-08
15-150  9.528e-08   5.270e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.22212        (-4.94342      -8.22241)
R1^2/D10^2  : 0.807732        (-0.571803      15.2043)
kT2 [keV]   : 24.0694        (-22.4077      -24.071)
R2^2/D10^2  : 1.84127E-02    (-0.017998   0.164931)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.36 using 59 PHA bins.
# Reduced chi-squared =         0.9885 for     55 degrees of freedom 
# Null hypothesis probability =   4.988441e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.196e-08   6.905e-09
25- 50  2.898e-08   1.581e-08
50-150  5.066e-08   2.901e-08
15-150  9.161e-08   4.761e-08
Plot creation:
Sun Jan 24 17:26:42 EST 2016