batgrbproduct analysis for trigger=753110

batgrbproduct Analysis for Trigger=753110

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed May 17 16:23:50 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger753110/GCN5_download_cron
======================================================================

  Trigger: 00753110      Segment: 000

  BAT Trigger Time: 516631779.648   [s; MET]
      Trigger Stop: 516631780.672   [s; MET]
               UTC: 2017-05-16T12:49:20.579320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 41.5980442407554   Dec: -55.8987916334193  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.32
     Image Trigger?:     NO
     Rate S/N Ratio:     10.295630140987  [ if not an image trigger ]
     Image S/N Ratio:    7.32

  Flight Position:   [ source = BAT ]
    RA: 41.5980442407554   Dec: -55.8987916334193  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 41.5431548021064   Dec: -55.9286981536308  [deg; J2000]  
        { 02h 46m 10.4s , -55d 55' 43.3" }
         +/- 1.58582431228554 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.764855315717511 [arcmin] (formal 1-sigma fit error)
    SNR: 15.7412677496974
 
  Angular difference between Flight and Ground position is 2.574214 arcmin
 
  Partial Coding Fraction: 0.6875    [ including projection effects ]

  Duration
     T90: 36.7840000391006 +/- 11.1398298412864
        Measured from: -12.8959999084473
                   to: 23.8880001306534     [s; relative to TRIGTIME]
     T50: 15.5840000510216 +/- 1.6103664296094
        Measured from: 1.66400009393692
                   to: 17.2480001449585     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.26800000667572     
                   to: 2.26800000667572     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -19.8560000061989     
                   to: 31.216000020504     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.035362   0.795057   0.186190   0.019260
           0.049288   0.049703   0.042355   0.036622 [error]
 Peak      0.071449   0.056780   0.009367   0.005730
           0.007877   0.007652   0.006349   0.004965 [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 3.54e-07 3.21e-07 2.00e-07 1.91e-07 9.55e-07 1.07e-06   erg/cm2
              Error 3.32e-08 2.66e-08 3.43e-08 6.08e-08 8.19e-08 1.13e-07   erg/cm2
Peak flux Power-law 7.85e-01 3.93e-01 1.21e-01 4.73e-02 1.33e+00 1.35e+00   ph/cm2/s
              Error 1.37e-01 6.91e-02 4.27e-02 2.96e-02 1.96e-01 2.01e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.32e-07 3.60e-07 1.40e-07 1.50e-08 8.46e-07 8.47e-07   erg/cm2
              Error 3.67e-08 3.51e-08 4.92e-08 2.90e-08 8.62e-08 9.11e-08   erg/cm2
Peak flux Cutoff-PL 7.45e-01 4.67e-01 7.78e-02 2.37e-03 1.29e+00 1.29e+00   ph/cm2/s
              Error 1.50e-01 9.60e-02 5.28e-02 1.45e-02 1.93e-01 1.93e-01   ph/cm2/s
 
Fluence        Band 3.28e-07 3.59e-07 1.40e-07 4.48e-08 8.57e-07 8.76e-07   erg/cm2
              Error 3.65e-08 3.51e-08 -------- -------- -------- --------   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    2.678    0.168    -      -           1.77e-03 2.22e-04   47.680 57
CPL   1.160    0.891      18.7   11.8      1.70e-02 4.51e-02   37.750 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.701    0.334    -      -           5.94e-03 1.62e-03   74.870 57
CPL   0.673    2.003      21.2    0.0      1.34e-01 0.00e+00   70.770 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   51.072  -19.856   31.216
T90    36.784  -12.896   23.888
T50    15.584    1.664   17.248
Peak    1.000    1.268    2.268

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   41.5432 -55.9287 0.0122   29.4   26.2       1.1907    15.7  TRIG_00753110       
------------------------------------------
 
Foreground time interval of the image:
-19.856  10.853 (delta_t =  30.709 [sec])
Background time interval of the image:
-239.648 -89.658 (delta_t = 149.990 [sec])
-88.648 -19.856 (delta_t =  68.792 [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  -19.856 sec. to   31.216 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.67811     ( -0.162742   0.172267 )
Norm@50keV  : 1.77135E-03    ( -0.000221641   0.000222116 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.68 using 59 PHA bins.
# Reduced chi-squared =         0.8366 for     57 degrees of freedom 
# Null hypothesis probability =   8.055867e-01
 
Photon flux (15-150 keV)    in 51.07 sec: 0.389666 ( -0.0286215  0.0286346 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.55116e-07 ( -8.10992e-08  8.27661e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -19.856 sec. to   31.216 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.15983     ( -1.09321   0.688612 )
Epeak [keV] : 18.7024      ( -16.8853 6.6306 )
Norm@50keV  : 1.69751E-02    ( -0.0169752   0.073271 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.75 using 59 PHA bins.
# Reduced chi-squared =         0.6740 for     56 degrees of freedom 
# Null hypothesis probability =   9.708689e-01
 
Photon flux (15-150 keV)    in 51.07 sec: 0.370736 ( -0.029879  0.030024 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.45786e-07 ( -8.15843e-08  9.07463e-08 ) ergs/cm2
 
Band function
Time interval is from  -19.856 sec. to   31.216 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.16001   ( -0.704886   1.29611 )
beta        : -9.99998    ( 9.99998   19.9999 )
Epeak [keV] : 18.6971      ( -2.60428 6.63116 )
Norm@50keV   : 1.69687E-02    ( -0.0169687   0.0734038 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.75 using 59 PHA bins.
# Reduced chi-squared =         0.6863 for     55 degrees of freedom 
# Null hypothesis probability =   9.634494e-01
 
Photon flux (15-150 keV)    in 51.07 sec: 0.381613 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.56914e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 6.86557  (-0.532073  0.573091)
R^2/D10^2   : 0.770154  (-0.226626   0.326935)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.77 using 59 PHA bins.
# Reduced chi-squared =         0.9083 for     57 degrees of freedom 
# Null hypothesis probability =   6.708954e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.918e-07   3.506e-08
25- 50  3.847e-07   3.618e-08
50-150  5.940e-08   1.751e-08
15-150  7.359e-07   6.562e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 26.4822       (-4.01687      4.96617)
Norm        : 3.45669       (-0.563554     0.699806)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.84 using 59 PHA bins.
# Reduced chi-squared =         0.6638 for     57 degrees of freedom 
# Null hypothesis probability =   9.763263e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.352e-07   3.120e-08
25- 50  3.562e-07   3.322e-08
50-150  1.646e-07   4.553e-08
15-150  8.559e-07   7.048e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.38364        (-1.42001      1.39503)
R1^2/D10^2  : 3.41357        (-2.09277      13.8507)
kT2 [keV]   : 10.5174        (-2.42084      5.94765)
R2^2/D10^2  : 7.78768E-02    (-0.0702977   0.239738)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.48 using 59 PHA bins.
# Reduced chi-squared =         0.6815 for     55 degrees of freedom 
# Null hypothesis probability =   9.659561e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.339e-07   1.756e-07
25- 50  3.555e-07   1.624e-07
50-150  1.485e-07   8.314e-08
15-150  8.379e-07   4.171e-07

Peak spectrum fit

Power-law model
Time interval is from    1.268 sec. to    2.268 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.70068     ( -0.310592   0.357876 )
Norm@50keV  : 5.93781E-03    ( -0.00160871   0.00163286 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.87 using 59 PHA bins.
# Reduced chi-squared =          1.314 for     57 degrees of freedom 
# Null hypothesis probability =   5.631932e-02
 
Photon flux (15-150 keV)    in 1 sec: 1.32582 ( -0.196013  0.196091 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.3184e-08 ( -1.15597e-08  1.21273e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.268 sec. to    2.268 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.672897     ( -2.2669   1.74002 )
Epeak [keV] : 21.2355      (   )
Norm@50keV  : 0.133977    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.77 using 59 PHA bins.
# Reduced chi-squared =          1.264 for     56 degrees of freedom 
# Null hypothesis probability =   8.844714e-02
 
Photon flux (15-150 keV)    in 1 sec: 1.29121 ( -0.19236  0.19365 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.61808e-08 ( -9.7845e-09  1.1474e-08 ) ergs/cm2
 
Band function
Time interval is from    1.268 sec. to    2.268 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.673762   ( 1.70945   1.70945 )
beta        : -10.00000    ( 10   7.83785e-07 )
Epeak [keV] : 21.2254      ( -4.50321 5.74924 )
Norm@50keV   : 0.133815    ( -0.0193947   4.72525 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.77 using 59 PHA bins.
# Reduced chi-squared =          1.287 for     55 degrees of freedom 
# Null hypothesis probability =   7.466261e-02
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.64569e-08 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 6.72797  (-0.994126  1.10441)
R^2/D10^2   : 3.03770  (-1.44652   2.97456)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.69 using 59 PHA bins.
# Reduced chi-squared =          1.293 for     57 degrees of freedom 
# Null hypothesis probability =   6.768652e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.116e-08   4.720e-09
25- 50  2.680e-08   6.655e-09
50-150  3.840e-09   1.984e-09
15-150  5.180e-08   1.196e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 25.0226       (-6.69907      9.84197)
Norm        : 12.7710       (-3.59058     5.40533)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          71.14 using 59 PHA bins.
# Reduced chi-squared =          1.248 for     57 degrees of freedom 
# Null hypothesis probability =   9.863795e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.340e-08   4.490e-09
25- 50  2.400e-08   5.990e-09
50-150  1.022e-08   5.385e-09
15-150  5.762e-08   1.289e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.18280        (-2.92671      12.3861)
R1^2/D10^2  : 38.8700        (-40.8937      -43.1985)
kT2 [keV]   : 8.41099        (-1.74065      7.15014)
R2^2/D10^2  : 0.938072    (-0.956163   2.63052)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          70.16 using 59 PHA bins.
# Reduced chi-squared =          1.276 for     55 degrees of freedom 
# Null hypothesis probability =   8.177379e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.282e-08   1.107e-08
25- 50  2.553e-08   1.451e-08
50-150  7.316e-09   4.962e-09
15-150  5.567e-08   2.763e-08
Plot creation:
Wed May 17 16:49:52 EDT 2017