batgrbproduct analysis for trigger=737463

batgrbproduct Analysis for Trigger=737463

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Feb  9 19:55:39 EST 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger737463/GCN5_download_cron
======================================================================

  Trigger: 00737463      Segment: 000

  BAT Trigger Time: 508286037.504   [s; MET]
      Trigger Stop: 508286038.528   [s; MET]
               UTC: 2017-02-08T22:33:38.918640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 127.154926883595   Dec: -9.02663175947905  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    24.42
     Image Trigger?:     NO
     Rate S/N Ratio:     162.104904305823  [ if not an image trigger ]
     Image S/N Ratio:    24.42

  Flight Position:   [ source = BAT ]
    RA: 127.154926883595   Dec: -9.02663175947905  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 127.144687134107   Dec: -9.02669926466688  [deg; J2000]  
        { 08h 28m 34.7s , -09d 01' 36.1" }
         +/- 0.499862048224484 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.133816096025631 [arcmin] (formal 1-sigma fit error)
    SNR: 81.9091522057021
 
  Angular difference between Flight and Ground position is 0.606790 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 128.067999958992 +/- 5.75414143681782
        Measured from: -5.53599989414215
                   to: 122.53200006485     [s; relative to TRIGTIME]
     T50: 7.69199997186661 +/- 0.474383773079266
        Measured from: 1.28400009870529
                   to: 8.9760000705719     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.420000016689301     
                   to: 1.4200000166893     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -18.1999999880791     
                   to: 159.300000011921     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.152802   4.238336   2.864798   0.618573
           0.077331   0.080258   0.068556   0.056825 [error]
 Peak      0.176903   0.410523   0.416177   0.103838
           0.008295   0.010903   0.010974   0.006714 [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 9.68e-07 1.65e-06 2.15e-06 5.67e-06 6.33e-06 1.04e-05   erg/cm2
              Error 4.79e-08 4.70e-08 7.06e-08 4.21e-07 1.70e-07 4.62e-07   erg/cm2
Peak flux Power-law 1.88e+00 2.54e+00 2.52e+00 4.51e+00 8.40e+00 1.14e+01   ph/cm2/s
              Error 1.13e-01 9.49e-02 8.31e-02 3.08e-01 1.98e-01 3.81e-01   ph/cm2/s
 
Fluence   Cutoff-PL 8.78e-07 1.70e-06 2.21e-06 3.18e-06 6.11e-06 7.97e-06   erg/cm2
              Error 6.12e-08 5.26e-08 7.75e-08 8.05e-07 1.97e-07 8.26e-07   erg/cm2
Peak flux Cutoff-PL 1.52e+00 2.66e+00 2.79e+00 2.27e+00 8.21e+00 9.23e+00   ph/cm2/s
              Error 1.39e-01 1.07e-01 1.11e-01 3.87e-01 2.67e-01 4.61e-01   ph/cm2/s
 
Fluence        Band 8.39e-07 1.72e-06 2.15e-06 4.60e-06 6.11e-06 9.33e-06   erg/cm2
              Error 7.29e-08 6.39e-08 9.40e-08 -------- 1.91e-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    1.620    0.049    -      -           3.82e-03 9.76e-05   71.670 57
CPL   1.178    0.209      97.8   27.4      6.18e-03 1.40e-03   57.410 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.010    0.050    -      -           7.29e-02 2.24e-03  112.240 57
CPL   0.188    0.231     127.8   21.4      1.69e-01 3.91e-02   68.650 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: 16.768000 sec.
T50 in the 50-300 keV band: 4.224000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  177.500  -18.200  159.300
T90   128.068   -5.536  122.532
T50     7.692    1.284    8.976
Peak    1.000    0.420    1.420

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  127.1447  -9.0267 0.0024    5.2  -88.6       8.8718    81.9  TRIG_00737463       
------------------------------------------
 
Foreground time interval of the image:
-18.200  11.197 (delta_t =  29.397 [sec])
Background time interval of the image:
-239.504 -18.200 (delta_t = 221.304 [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  -18.200 sec. to  159.300 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.61952     ( -0.0485444   0.0486506 )
Norm@50keV  : 3.81972E-03    ( -9.76399e-05   9.75997e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.67 using 59 PHA bins.
# Reduced chi-squared =          1.257 for     57 degrees of freedom 
# Null hypothesis probability =   9.132269e-02
 
Photon flux (15-150 keV)    in 177.5 sec: 0.493866 ( -0.0138698  0.0139137 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.32622e-06 ( -1.69495e-07  1.69781e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -18.200 sec. to  159.300 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.17828     ( -0.214056   0.20428 )
Epeak [keV] : 97.7697      ( -16.0629 38.6788 )
Norm@50keV  : 6.17972E-03    ( -0.00120662   0.00158581 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.41 using 59 PHA bins.
# Reduced chi-squared =          1.025 for     56 degrees of freedom 
# Null hypothesis probability =   4.226658e-01
 
Photon flux (15-150 keV)    in 177.5 sec: 0.477103 ( -0.015567  0.015639 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.11024e-06 ( -1.96812e-07  1.96563e-07 ) ergs/cm2
 
Band function
Time interval is from  -18.200 sec. to  159.300 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.836033   ( -0.483876   0.886564 )
beta        : -1.83001    ( 1.83066   0.128268 )
Epeak [keV] : 66.2988      ( -22.7026 53.7458 )
Norm@50keV   : 9.83911E-03    ( -0.00453046   0.0281242 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.10 using 59 PHA bins.
# Reduced chi-squared =          1.020 for     55 degrees of freedom 
# Null hypothesis probability =   4.335414e-01
 
Photon flux (15-150 keV)    in 177.5 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.11484e-06 ( -6.1136e-06  -1.92002e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.0577  (  )
R^2/D10^2   : 5.17015E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         311.19 using 59 PHA bins.
# Reduced chi-squared =         5.4594 for     57 degrees of freedom 
# Null hypothesis probability =   1.075698e-36
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.354e-07   2.281e-08
25- 50  1.736e-06   5.831e-08
50-150  2.683e-06   1.322e-07
15-150  4.855e-06   1.456e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 175.283       (-22.9304      -175.068)
Norm        : 1.99449       (-0.0601216     0.0641691)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.77 using 59 PHA bins.
# Reduced chi-squared =          1.013 for     57 degrees of freedom 
# Null hypothesis probability =   4.466505e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.955e-07   4.500e-08
25- 50  1.696e-06   1.076e-07
50-150  3.556e-06   7.952e-07
15-150  6.147e-06   9.328e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.87987        (-0.807321      0.834871)
R1^2/D10^2  : 0.334344        (-0.0902346      0.141294)
kT2 [keV]   : 26.4475        (-2.78486      3.79816)
R2^2/D10^2  : 5.18139E-03    (-0.00204284   0.00280414)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.24 using 59 PHA bins.
# Reduced chi-squared =          1.132 for     55 degrees of freedom 
# Null hypothesis probability =   2.341521e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.671e-07   6.781e-08
25- 50  1.755e-06   1.062e-07
50-150  3.526e-06   3.275e-07
15-150  6.048e-06   3.976e-07

Peak spectrum fit

Power-law model
Time interval is from    0.420 sec. to    1.420 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00993     ( -0.0499634   0.049744 )
Norm@50keV  : 7.29493E-02    ( -0.00224446   0.00224328 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         112.24 using 59 PHA bins.
# Reduced chi-squared =         1.9691 for     57 degrees of freedom 
# Null hypothesis probability =   1.776031e-05
 
Photon flux (15-150 keV)    in 1 sec: 8.40271 ( -0.133239  0.262372 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.862e-07 ( -2.60762e-08  2.58721e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.420 sec. to    1.420 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.187558     ( -0.236329   0.225179 )
Epeak [keV] : 127.763      ( -16.2962 26.4375 )
Norm@50keV  : 0.169044    ( -0.0337934   0.0443703 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.65 using 59 PHA bins.
# Reduced chi-squared =          1.226 for     56 degrees of freedom 
# Null hypothesis probability =   1.195692e-01
 
Photon flux (15-150 keV)    in 1 sec: 8.20727 ( -0.26723  0.26744 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.66045e-07 ( -2.7467e-08  2.7312e-08 ) ergs/cm2
 
Band function
Time interval is from    0.420 sec. to    1.420 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.50510   ( -1.77555   2.03203 )
beta        : -1.28206    ( 1.28131   0.0984047 )
Epeak [keV] : 55.6955      ( -10.5717 77.5917 )
Norm@50keV   : 1.88977    ( -2.06169   40.9085 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.06 using 59 PHA bins.
# Reduced chi-squared =          1.201 for     55 degrees of freedom 
# Null hypothesis probability =   1.459349e-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]    : 21.5395  (  )
R^2/D10^2   : 0.333996  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         161.50 using 59 PHA bins.
# Reduced chi-squared =         2.8334 for     57 degrees of freedom 
# Null hypothesis probability =   6.238733e-12
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.895e-08   1.715e-09
25- 50  1.512e-07   6.350e-09
50-150  5.236e-07   2.645e-08
15-150  7.037e-07   2.620e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 33.8854       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         402.30 using 59 PHA bins.
# Reduced chi-squared =         7.0579 for     57 degrees of freedom 
# Null hypothesis probability =   1.963097e-53
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.438e-08   2.885e-09
25- 50  1.623e-07   5.300e-09
50-150  3.560e-07   1.135e-08
15-150  6.027e-07   2.040e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.5819        (-1.6447      1.88252)
R1^2/D10^2  : 1.49096        (-0.451098      0.750227)
kT2 [keV]   : 33.2045        (-4.18082      7.45707)
R2^2/D10^2  : 6.56854E-02    (-0.0333554   0.0416629)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.37 using 59 PHA bins.
# Reduced chi-squared =          1.152 for     55 degrees of freedom 
# Null hypothesis probability =   2.050578e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.520e-08   5.890e-09
25- 50  1.611e-07   1.810e-08
50-150  5.636e-07   1.034e-07
15-150  7.699e-07   1.079e-07
Plot creation:
Thu Feb  9 20:15:03 EST 2017