batgrbproduct analysis for trigger=753085

batgrbproduct Analysis for Trigger=753085

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed May 17 06:00:23 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger753085/GCN5_download_cron
======================================================================

  Trigger: 00753085      Segment: 000

  BAT Trigger Time: 516611361.184   [s; MET]
      Trigger Stop: 516611361.2   [s; MET]
               UTC: 2017-05-16T07:09:02.116500    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 251.82664791688   Dec: -45.8948386454575  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.03
     Image Trigger?:     NO
     Rate S/N Ratio:     16.4012194668567  [ if not an image trigger ]
     Image S/N Ratio:    7.03

  Flight Position:   [ source = BAT ]
    RA: 251.82664791688   Dec: -45.8948386454575  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 251.590852843555   Dec: -45.8094254746484  [deg; J2000]  
        { 16h 46m 21.8s , -45d 48' 33.9" }
         +/- nan [arcmin] (estimated 90% radius based on SNR)
         +/- 5.0280601696152 [arcmin] (formal 1-sigma fit error)
    SNR: -2.55662966309926
 
  Angular difference between Flight and Ground position is 11.107011 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 575.98399990797 +/- 65.5485799648633
        Measured from: 96.6760001182556
                   to: 672.660000026226     [s; relative to TRIGTIME]
     T50: 273.475999951363 +/- 34.4405576918011
        Measured from: 307.024000108242
                   to: 580.500000059605     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 404.103999972343     
                   to: 405.103999972343     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 704.60799998045     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.520913  -0.214696  -0.106415  -0.047550
           0.188071   0.172110   0.144418   0.132031 [error]
 Peak      0.013347   0.004322   0.012783   0.010708
           0.006823   0.006241   0.005388   0.004647 [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 0.00e+001.30e-07 0.00e+001.53e-08 0.00e+007.02e-10 0.00e+001.25e-10 0.00e+001.48e-07 0.00e+001.33e-07   erg/cm2
              Error 8.06e-08 3.19e-08 5.35e-08 1.74e-06 1.09e-07 1.75e-06   erg/cm2
Peak flux Power-law 2.87e-02 5.13e-02 7.04e-02 2.00e-01 2.03e-01 3.50e-01   ph/cm2/s
              Error 5.59e-02 5.45e-02 5.52e-02 5.36e-01 1.32e-01 3.66e-01   ph/cm2/s
 
Fluence   Cutoff-PL 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 1.23e-07 2.65e-08 5.35e-08 -------- 1.05e-07 --------   erg/cm2
Peak flux Cutoff-PL 3.06e-02 5.28e-02 7.03e-02 1.90e-01 2.05e-01 3.44e-01   ph/cm2/s
              Error 5.57e-02 5.41e-02 4.35e-02 -------- 1.71e-01 --------   ph/cm2/s
 
Fluence        Band 7.37e-08 1.86e-09 1.22e-11 8.01e-14 7.56e-08 7.56e-08   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   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    6.335   -1.991    -      -           1.17e-06 7.20e-06   42.530 57
CPL   1.000    0.000      50.0    0.0      1.48e-05 0.00e+00   52.580 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.545    0.995    -      -           1.73e-03 1.48e-03   55.170 57
CPL -10.000    0.998     108.1    0.0      1.29e-01 1.07e-01   54.850 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  704.608    0.000  704.608
T90   575.984   96.676  672.660
T50   273.476  307.024  580.500
Peak    1.000  404.104  405.104

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  251.5909 -45.8094 0.0759    4.7 -177.3      -0.0811    -2.6  TRIG_00753085       
------------------------------------------
 
Foreground time interval of the image:
  0.000   8.217 (delta_t =   8.217 [sec])
Background time interval of the image:
-239.184   0.000 (delta_t = 239.184 [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
Multiple GTIs in the spectrum
tstart tstop
0.000000 157.328800
158.816000 537.396000
538.816000 704.608000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.33532     ( -2.32286   -6.30566 )
Norm@50keV  : 1.16924E-06    ( -1.1872e-06   1.3209e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.53 using 59 PHA bins.
# Reduced chi-squared =         0.7461 for     57 degrees of freedom 
# Null hypothesis probability =   9.231711e-01
 
Photon flux (15-150 keV)    in 701.7 sec: 0.0 6.98214E-03 ( -0.00422298  0.00494572 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( -1.01521e-07  1.17011e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 157.328800
158.816000 537.396000
538.816000 704.608000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 1.47977E-05    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.58 using 59 PHA bins.
# Reduced chi-squared =         0.9389 for     56 degrees of freedom 
# Null hypothesis probability =   6.052615e-01
 
Photon flux (15-150 keV)    in 701.7 sec: 0.0 7.97929E-03 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 157.328800
158.816000 537.396000
538.816000 704.608000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.79341   ( 0.98395   0.98395 )
beta        : -9.37167    ( 2.5   2.5 )
Epeak [keV] : 10.5126      ( -80 -80 )
Norm@50keV   : 64.5219    ( -63.7966   4743.9 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.89 using 59 PHA bins.
# Reduced chi-squared =         0.7617 for     55 degrees of freedom 
# Null hypothesis probability =   9.033063e-01
 
Photon flux (15-150 keV)    in 701.7 sec: 0.0 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.56005e-08 ( -7.06886e-08  -7.56005e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 2.30800  (-1.06347  1.36003)
R^2/D10^2   : 6.91520  (-7.4597   2177.6)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.86 using 59 PHA bins.
# Reduced chi-squared =         0.7344 for     57 degrees of freedom 
# Null hypothesis probability =   9.336562e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.459e-07   8.266e-08
25- 50  7.679e-09   5.645e-09
50-150  1.073e-12   2.018e-12
15-150  1.536e-07   8.827e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 3.92513       (-2.30609      4.65227)
Norm        : 4.47777       (-4.5175     822.221)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.04 using 59 PHA bins.
# Reduced chi-squared =         0.7376 for     57 degrees of freedom 
# Null hypothesis probability =   9.309015e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.393e-07   8.080e-08
25- 50  9.639e-09   6.294e-09
50-150  1.260e-11   1.700e-11
15-150  1.489e-07   9.031e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 1.00110E-04        (-0.00010011      -0.00010011)
R1^2/D10^2  : 7.24188        (-7.24188      -7.24188)
kT2 [keV]   : 2.28518        (-1.06843      1.35311)
R2^2/D10^2  : 7.49040    (-7.49048   2193.01)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.87 using 59 PHA bins.
#Fit statistic : Chi-Squared =          41.86 using 59 PHA bins.
# Reduced chi-squared =         0.7613 for     55 degrees of freedom 
# Reduced chi-squared =         0.7610 for     55 degrees of freedom 
# Null hypothesis probability =   9.036767e-01
# Null hypothesis probability =   9.039988e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.410e-07   4.817e+04
25- 50  7.256e-09   3.593e+05
50-150  9.591e-13   9.441e+06
15-150  1.483e-07   9.989e+06

Peak spectrum fit

Power-law model
Time interval is from  404.104 sec. to  405.104 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.545292     ( -0.545121   1.44579 )
Norm@50keV  : 1.72720E-03    ( -0.00172706   0.00124181 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
# Reduced chi-squared =         0.9679 for     57 degrees of freedom 
# Null hypothesis probability =   5.441055e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.203128 ( -0.125281  0.139308 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.26849e-08 ( -2.26849e-08  1.32571e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  404.104 sec. to  405.104 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.99955     ( -0.576072   1.42028 )
Epeak [keV] : 108.058      ( -9999.36 -9999.36 )
Norm@50keV  : 0.128965    ( -0.128149   0.086638 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.85 using 59 PHA bins.
# Reduced chi-squared =         0.9795 for     56 degrees of freedom 
# Null hypothesis probability =   5.184400e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.204764 ( -0.204764  0.13776 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.26365e-08 ( -1.31867e-08  1.33216e-08 ) ergs/cm2
 
Band function
Time interval is from  404.104 sec. to  405.104 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.859114   ( 0.859419   0.859419 )
beta        : -0.545368    ( 0.545095   0.545095 )
Epeak [keV] : 10.6857      ( -10.6805 -10.6805 )
Norm@50keV   : 2.91823E-03    ( -0.00291928   442782 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
# Reduced chi-squared =          1.003 for     55 degrees of freedom 
# Null hypothesis probability =   4.682701e-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]    : 41.0201  (-41.418  -41.418)
R^2/D10^2   : 1.39718E-03  (-0.00137848   0.0115691)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.21 using 59 PHA bins.
# Reduced chi-squared =         0.9687 for     57 degrees of freedom 
# Null hypothesis probability =   5.423559e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.525e-09   2.015e-09
25- 50  2.028e-09   1.766e-09
50-150  1.231e-10   1.727e-10
15-150  4.677e-09   3.961e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.362       (-199.363      -199.363)
Norm        : 0.886175       (-0.566825     0.566848)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.96 using 59 PHA bins.
# Reduced chi-squared =         0.9993 for     57 degrees of freedom 
# Null hypothesis probability =   4.766502e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.207e-09   1.572e-09
25- 50  4.245e-09   3.177e-09
50-150  9.310e-09   6.605e-09
15-150  1.576e-08   1.103e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.48804        (-3.49191      128.578)
R1^2/D10^2  : 5.09173        (-5.07549      -5.07549)
kT2 [keV]   : 47.1028        (-26.7991      -47.1137)
R2^2/D10^2  : 9.66065E-04    (-0.000929634   0.00669641)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.66 using 59 PHA bins.
# Reduced chi-squared =         0.9757 for     55 degrees of freedom 
# Null hypothesis probability =   5.258671e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.535e-09   1.517e-09
25- 50  2.295e-09   1.228e-09
50-150  2.009e-08   1.140e-08
15-150  2.492e-08   1.476e-08
Plot creation:
Wed May 17 06:13:27 EDT 2017