batgrbproduct Analysis for Trigger=701503

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jun 26 19:39:34 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger701503/GCN5_download_cron
======================================================================

  Trigger: 00701503      Segment: 000

  BAT Trigger Time: 488587247.936   [s; MET]
      Trigger Stop: 488587248.96   [s; MET]
               UTC: 2016-06-25T22:40:31.466540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 176.936915418812   Dec: -65.1138111609725  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.86
     Image Trigger?:     NO
     Rate S/N Ratio:     15.3622914957372  [ if not an image trigger ]
     Image S/N Ratio:    8.86

  Flight Position:   [ source = BAT ]
    RA: 176.936915418812   Dec: -65.1138111609725  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 176.938530425409   Dec: -65.1417619960889  [deg; J2000]  
        { 11h 47m 45.2s , -65d 08' 30.3" }
         +/- 0.799432133793426 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.195894618672755 [arcmin] (formal 1-sigma fit error)
    SNR: 41.8795307643476
 
  Angular difference between Flight and Ground position is 1.677545 arcmin
 
  Partial Coding Fraction: 0.5703125    [ including projection effects ]

  Duration
     T90: 53.9679999351501 +/- 3.0554115928288
        Measured from: -9.37999987602234
                   to: 44.5880000591278     [s; relative to TRIGTIME]
     T50: 31.9599999189377 +/- 0.788821884337627
        Measured from: 2.44800013303757
                   to: 34.4080000519753     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 35.0720000267029     
                   to: 36.0720000267029     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -15.0360000133514     
                   to: 47.4120000004768     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.278542   2.375723   1.159768   0.252689
           0.060515   0.062305   0.053668   0.045918 [error]
 Peak      0.115986   0.135178   0.070352   0.016222
           0.009057   0.009414   0.007882   0.005814 [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 7.91e-07 1.02e-06 9.59e-07 1.59e-06 3.30e-06 4.36e-06   erg/cm2
              Error 4.89e-08 3.68e-08 5.56e-08 1.96e-07 1.26e-07 2.42e-07   erg/cm2
Peak flux Power-law 1.31e+00 1.00e+00 5.16e-01 3.81e-01 3.01e+00 3.21e+00   ph/cm2/s
              Error 1.60e-01 8.14e-02 6.49e-02 9.22e-02 2.47e-01 2.60e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.70e-07 1.03e-06 9.59e-07 1.20e-06 3.25e-06 3.97e-06   erg/cm2
              Error 5.99e-08 4.42e-08 5.72e-08 4.90e-07 1.55e-07 5.14e-07   erg/cm2
Peak flux Cutoff-PL 1.26e+00 1.04e+00 5.19e-01 2.46e-01 2.97e+00 3.07e+00   ph/cm2/s
              Error 1.79e-01 1.06e-01 6.90e-02 1.45e-01 2.54e-01 3.20e-01   ph/cm2/s
 
Fluence        Band 7.39e-07 1.05e-06 9.39e-07 1.40e-06 3.23e-06 4.13e-06   erg/cm2
              Error -------- -------- 5.99e-08 -------- 1.47e-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    2.087    0.074    -      -           5.70e-03 2.34e-04   37.320 57
CPL   1.917    0.241      22.6   24.0      7.01e-03 0.00e+00   36.310 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.962    0.148    -      -           2.04e-02 1.95e-03   52.820 57
CPL   1.634    0.572      48.9    0.0      3.12e-02 0.00e+00   51.820 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: 53.376000 sec.
T50 in the 50-300 keV band: 32.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   62.448  -15.036   47.412
T90    53.968   -9.380   44.588
T50    31.960    2.448   34.408
Peak    1.000   35.072   36.072

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  176.9385 -65.1418 0.0046   32.7   26.2       6.1947    41.9  TRIG_00701503       
------------------------------------------
 
Foreground time interval of the image:
-15.036  47.412 (delta_t =  62.448 [sec])
Background time interval of the image:
-223.735 -15.036 (delta_t = 208.699 [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  -15.036 sec. to   47.412 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.08661     ( -0.0739076   0.0750169 )
Norm@50keV  : 5.70120E-03    ( -0.000234604   0.000232899 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.32 using 59 PHA bins.
# Reduced chi-squared =         0.6547 for     57 degrees of freedom 
# Null hypothesis probability =   9.797210e-01
 
Photon flux (15-150 keV)    in 62.45 sec: 0.891064 ( -0.0348367  0.0349881 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.30384e-06 ( -1.25712e-07  1.26153e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -15.036 sec. to   47.412 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.91669     ( -0.309168   0.173036 )
Epeak [keV] : 22.5796      ( -20.8455 27.2194 )
Norm@50keV  : 7.00835E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.31 using 59 PHA bins.
# Reduced chi-squared =         0.6485 for     56 degrees of freedom 
# Null hypothesis probability =   9.809005e-01
 
Photon flux (15-150 keV)    in 62.45 sec: 0.879270 ( -0.039683  0.039629 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.24931e-06 ( -1.56637e-07  1.54183e-07 ) ergs/cm2
 
Band function
Time interval is from  -15.036 sec. to   47.412 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.61519   ( 1.57469   6.31098 )
beta        : -2.17632    ( 2.20095   0.147291 )
Epeak [keV] : 30.3819      ( -31.4204 9.24338 )
Norm@50keV   : 1.07964E-02    ( -0.00575449   1803.79 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          34.83 using 59 PHA bins.
# Reduced chi-squared =         0.6333 for     55 degrees of freedom 
# Null hypothesis probability =   9.846270e-01
 
Photon flux (15-150 keV)    in 62.45 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.22629e-06 ( -3.22585e-06  -1.46814e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 10.6754  (  )
R^2/D10^2   : 0.294302  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         201.88 using 59 PHA bins.
# Reduced chi-squared =         3.5417 for     57 degrees of freedom 
# Null hypothesis probability =   4.485991e-18
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.348e-07   3.010e-08
25- 50  1.182e-06   4.746e-08
50-150  7.433e-07   7.057e-08
15-150  2.360e-06   9.992e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 65.6459       (-7.21356      8.62909)
Norm        : 4.31887       (-0.29454     0.321365)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.57 using 59 PHA bins.
# Reduced chi-squared =         0.7994 for     57 degrees of freedom 
# Null hypothesis probability =   8.618574e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.868e-07   4.028e-08
25- 50  1.073e-06   4.215e-08
50-150  1.313e-06   1.177e-07
15-150  3.073e-06   1.243e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.55329        (-0.77068      0.77127)
R1^2/D10^2  : 1.51739        (-0.496297      0.894356)
kT2 [keV]   : 23.0815        (-3.70963      5.45054)
R2^2/D10^2  : 1.02419E-02    (-0.00557907   0.0104915)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.05 using 59 PHA bins.
# Reduced chi-squared =         0.8191 for     55 degrees of freedom 
# Null hypothesis probability =   8.284696e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.690e-07   6.869e-08
25- 50  1.065e-06   8.962e-08
50-150  1.428e-06   2.988e-07
15-150  3.162e-06   3.488e-07

Peak spectrum fit

Power-law model
Time interval is from   35.072 sec. to   36.072 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.96204     ( -0.145135   0.150529 )
Norm@50keV  : 2.03959E-02    ( -0.00196848   0.00193534 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.82 using 59 PHA bins.
# Reduced chi-squared =         0.9267 for     57 degrees of freedom 
# Null hypothesis probability =   6.324828e-01
 
Photon flux (15-150 keV)    in 1 sec: 3.00719 ( -0.246778  0.246965 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.87772e-07 ( -1.73567e-08  1.75258e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   35.072 sec. to   36.072 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.63370     ( -0.635736   0.508313 )
Epeak [keV] : 48.9453      (   )
Norm@50keV  : 3.11872E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.82 using 59 PHA bins.
# Reduced chi-squared =         0.9254 for     56 degrees of freedom 
# Null hypothesis probability =   6.336667e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.97155 ( -0.25404  0.25385 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.82569e-07 ( -1.9626e-08  1.9621e-08 ) ergs/cm2
 
Band function
Time interval is from   35.072 sec. to   36.072 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.173977   ( -2.3159   0.566092 )
beta        : -2.16321    ( 2.1462   0.23729 )
Epeak [keV] : 30.3626      ( -11.6428 37.9987 )
Norm@50keV   : 0.583755    ( -0.571955   2132.7 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.62 using 59 PHA bins.
# Reduced chi-squared =         0.9021 for     55 degrees of freedom 
# Null hypothesis probability =   6.797181e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.8201e-07 ( -1.82003e-07  -1.812e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.98799  (-1.00455  1.15393)
R^2/D10^2   : 1.38997  (-0.476434   0.706526)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          87.60 using 59 PHA bins.
# Reduced chi-squared =          1.537 for     57 degrees of freedom 
# Null hypothesis probability =   5.687450e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.823e-08   4.020e-09
25- 50  7.007e-08   6.415e-09
50-150  3.644e-08   8.440e-09
15-150  1.347e-07   1.375e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 73.9359       (-16.8975      25.4279)
Norm        : 14.4612       (-1.82517     2.15259)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.51 using 59 PHA bins.
# Reduced chi-squared =         0.9212 for     57 degrees of freedom 
# Null hypothesis probability =   6.440522e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.730e-08   4.360e-09
25- 50  6.021e-08   5.375e-09
50-150  8.047e-08   1.530e-08
15-150  1.780e-07   1.850e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.63465        (-1.20975      1.26511)
R1^2/D10^2  : 5.17384        (-2.34856      3.25595)
kT2 [keV]   : 24.6581        (-6.56328      14.8816)
R2^2/D10^2  : 2.96414E-02    (-0.0237268   0.0715869)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.57 using 59 PHA bins.
# Reduced chi-squared =         0.9013 for     55 degrees of freedom 
# Null hypothesis probability =   6.814189e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.764e-08   9.580e-09
25- 50  6.024e-08   1.364e-08
50-150  8.602e-08   4.352e-08
15-150  1.839e-07   5.671e-08
Plot creation:
Sun Jun 26 19:43:39 EDT 2016