batgrbproduct analysis for trigger=765130

batgrbproduct Analysis for Trigger=765130

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jul 29 10:41:17 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger765130
======================================================================

  Trigger: 00765130      Segment: 000

  BAT Trigger Time: 522975818.88   [s; MET]
      Trigger Stop: 522975819.136   [s; MET]
               UTC: 2017-07-28T23:03:19.438780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 238.044095700942   Dec: 70.1423694896049  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.73
     Image Trigger?:     NO
     Rate S/N Ratio:     41.5571895103603  [ if not an image trigger ]
     Image S/N Ratio:    6.73

  Flight Position:   [ source = BAT ]
    RA: 238.044095700942   Dec: 70.1423694896049  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 238.018818171544   Dec: 70.1111218030441  [deg; J2000]  
        { 15h 52m 04.5s , +70d 06' 40.0" }
         +/- 2.33848312504942 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.20978776801455 [arcmin] (formal 1-sigma fit error)
    SNR: 9.03794023738933
 
  Angular difference between Flight and Ground position is 1.944458 arcmin
 
  Partial Coding Fraction: 0.05126953    [ including projection effects ]

  Duration
     T90: 47.6800000071526 +/- 25.1527328240056
        Measured from: 0.0559999942779541
                   to: 47.7360000014305     [s; relative to TRIGTIME]
     T50: 19.5839999914169 +/- 26.050142408082
        Measured from: 0.439999997615814
                   to: 20.0239999890327     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0920000076293945     
                   to: 0.907999992370605     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0719999670982361     
                   to: 50.5519999861717     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.684483   1.186935   0.574810   0.159416
           0.206261   0.211586   0.188615   0.161683 [error]
 Peak      0.176770   0.297010   0.396870   0.137489
           0.043998   0.047494   0.048207   0.032619 [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 3.47e-07 4.82e-07 4.95e-07 9.26e-07 1.62e-06 2.26e-06   erg/cm2
              Error 1.17e-07 1.18e-07 1.70e-07 6.10e-07 4.29e-07 8.14e-07   erg/cm2
Peak flux Power-law 2.56e-04 3.65e-03 3.41e-02 3.65e+00 1.52e-01 3.65e+00   ph/cm2/s
              Error 1.56e-04 1.69e-03 1.65e-02 1.05e+00 6.93e-02 1.07e+00   ph/cm2/s
 
Fluence   Cutoff-PL 1.67e-07 7.34e-07 4.75e-07 1.67e-08 1.39e-06 1.39e-06   erg/cm2
              Error 1.32e-07 1.86e-07 2.53e-07 -------- 3.84e-07 3.87e-07   erg/cm2
Peak flux Cutoff-PL 4.06e-01 4.71e-01 1.61e-01 1.56e-01 1.34e+00 1.63e+00   ph/cm2/s
              Error 6.97e-01 4.20e-01 7.02e-01 1.41e-01 1.20e+00 3.99e+00   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    1.960    0.376    -      -           3.48e-03 9.43e-04   65.470 57
CPL  -3.303   -0.073      44.9    7.5      2.27e+00 4.22e+03   53.240 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.244    0.235    -      -           6.74e-02 1.05e-02   61.400 57
CPL  -1.189    1.842      79.0   22.4      7.00e-01 2.55e+00   51.980 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: 0.640000 sec.
T50 in the 50-300 keV band: 0.384000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   50.624   -0.072   50.552
T90    47.680    0.056   47.736
T50    19.584    0.440   20.024
Peak    1.000   -0.092    0.908

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  238.0188    70.1111   0.0213    55.2709    10.0366         3.1859843      9.038 TRIG_00765130                 
 
Foreground time interval of the image:
 -0.040  52.392 (delta_t =  52.432 [sec])
Background time interval of the image:
-239.880  -0.040 (delta_t = 239.840 [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)

Spectral Evolution

Spectra

Notes:

Time averaged spectrum fit using the average DRM

Power-law model
Time interval is from   -0.072 sec. to   50.552 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.95968     ( -0.359065   0.392234 )
Norm@50keV  : 3.47751E-03    ( -0.000950522   0.000934739 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.47 using 59 PHA bins.
# Reduced chi-squared =          1.149 for     57 degrees of freedom 
# Null hypothesis probability =   2.064508e-01
 
Photon flux (15-150 keV)    in 50.62 sec: 0.512376 ( -0.127395  0.128223 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.61962e-06 ( -4.24661e-07  4.3406e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.072 sec. to   50.552 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.30326     ( 3.81184   3.66575 )
Epeak [keV] : 44.8642      ( -6.33304 8.63068 )
Norm@50keV  : 2.27107    ( -2.28789   8441.67 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.24 using 59 PHA bins.
# Reduced chi-squared =         0.9507 for     56 degrees of freedom 
# Null hypothesis probability =   5.800046e-01
 
Photon flux (15-150 keV)    in 50.62 sec: 0.445945 ( -0.122889  0.129507 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39089e-06 ( -3.65795e-07  4.01338e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.072 sec. to   50.552 sec.
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       :    (     )
beta        :     (     )
Epeak [keV] :       (   )
Norm@50keV   :     (     )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in  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]    : 11.7342  (-2.01402  2.40814)
R^2/D10^2   : 0.153032  (-0.0799259   0.159185)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.83 using 59 PHA bins.
# Reduced chi-squared =         0.9445 for     57 degrees of freedom 
# Null hypothesis probability =   5.946195e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.251e-07   9.615e-08
25- 50  6.898e-07   2.397e-07
50-150  5.624e-07   3.117e-07
15-150  1.477e-06   5.115e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 67.2957       (-27.6007      65.9969)
Norm        : 2.68997       (-0.814939     1.06127)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.15 using 59 PHA bins.
# Reduced chi-squared =          1.073 for     57 degrees of freedom 
# Null hypothesis probability =   3.291859e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.478e-07   1.159e-07
25- 50  5.474e-07   2.405e-07
50-150  6.825e-07   5.278e-07
15-150  1.578e-06   7.241e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 0.162865        (0.822496      -0.162865)
R1^2/D10^2  : 1.08597E+15        (-1.08597e+15      -1.08597e+15)
kT2 [keV]   : 11.7345        (-2.01425      2.40791)
R2^2/D10^2  : 0.153018    (-0.0799143   0.159196)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.83 using 59 PHA bins.
# Reduced chi-squared =         0.9788 for     55 degrees of freedom 
# Null hypothesis probability =   5.192487e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00

Peak spectrum fit

Power-law model
Time interval is from   -0.092 sec. to    0.908 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.24350     ( -0.236978   0.233637 )
Norm@50keV  : 6.74481E-02    ( -0.0105253   0.0104937 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.40 using 59 PHA bins.
# Reduced chi-squared =          1.077 for     57 degrees of freedom 
# Null hypothesis probability =   3.212240e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.151746 ( 0.008813  0.147383 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.76254e-07 ( -1.06851e-07  1.07031e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.092 sec. to    0.908 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.18883     ( -2.19606   1.48775 )
Epeak [keV] : 79.0023      ( -12.9111 31.8091 )
Norm@50keV  : 0.700178    ( -0.704237   4.40569 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.98 using 59 PHA bins.
# Reduced chi-squared =         0.9281 for     56 degrees of freedom 
# Null hypothesis probability =   6.279074e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.33739 ( -1.33739  1.0617 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.52349e-07 ( -1.13521e-07  1.12719e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.092 sec. to    0.908 sec.
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       :    (     )
beta        :     (     )
Epeak [keV] :       (   )
Norm@50keV   :     (     )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in  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]    : 19.7950  (-2.64351  3.18993)
R^2/D10^2   : 0.419214  (-0.170509   0.264872)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.99 using 59 PHA bins.
# Reduced chi-squared =         0.9120 for     57 degrees of freedom 
# Null hypothesis probability =   6.631583e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.180e-08   8.885e-09
25- 50  1.573e-07   3.635e-08
50-150  4.562e-07   1.218e-07
15-150  6.453e-07   1.355e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-45.9795      -200)
Norm        : 34.3742       (-5.36627     5.36627)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.65 using 59 PHA bins.
# Reduced chi-squared =          1.134 for     57 degrees of freedom 
# Null hypothesis probability =   2.269886e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.560e-08   4.950e-08
25- 50  1.647e-07   9.300e-08
50-150  3.611e-07   2.025e-07
15-150  6.114e-07   3.432e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.11558        (-3.12642      -3.12642)
R1^2/D10^2  : 66.6341        (-60.9048      -60.9048)
kT2 [keV]   : 20.2678        (-2.87707      -20.2874)
R2^2/D10^2  : 0.380681    (-0.379324   0.265642)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.37 using 59 PHA bins.
# Reduced chi-squared =         0.9339 for     55 degrees of freedom 
# Null hypothesis probability =   6.142809e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.568e-08   1.807e-08
25- 50  1.533e-07   4.734e-08
50-150  4.596e-07   1.281e-07
15-150  6.586e-07   1.596e-07
Plot creation:
Sat Jul 29 12:23:16 EDT 2017