batgrbproduct analysis for trigger=772006

batgrbproduct Analysis for Trigger=772006

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Sep 13 03:45:19 EDT 2017
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger772006/GCN5_download_cron
======================================================================

  Trigger: 00772006      Segment: 000

  BAT Trigger Time: 526872876.608   [s; MET]
      Trigger Stop: 526872880.704   [s; MET]
               UTC: 2017-09-12T01:34:16.935740    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 167.372184088217   Dec: -54.3596433863869  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.13
     Image Trigger?:     NO
     Rate S/N Ratio:     13.7477270848675  [ if not an image trigger ]
     Image S/N Ratio:    10.13

  Flight Position:   [ source = BAT ]
    RA: 167.372184088217   Dec: -54.3596433863869  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 167.385978980518   Dec: -54.3431649018479  [deg; J2000]  
        { 11h 09m 32.6s , -54d 20' 35.4" }
         +/- 2.07970430608621 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.07528696698536 [arcmin] (formal 1-sigma fit error)
    SNR: 10.686374573535
 
  Angular difference between Flight and Ground position is 1.100112 arcmin
 
  Partial Coding Fraction: 0.3476562    [ including projection effects ]

  Duration
     T90: 21.8880000114441 +/- 5.58652667387697
        Measured from: 0.248000144958496
                   to: 22.1360001564026     [s; relative to TRIGTIME]
     T50: 10.160000026226 +/- 3.79524753083644
        Measured from: 2.42400014400482
                   to: 12.5840001702309     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.37999999523163     
                   to: 3.37999999523163     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.423999965190887     
                   to: 25.6400000452995     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.683943   0.711543   0.390982   0.063578
           0.076422   0.070307   0.056304   0.049534 [error]
 Peak      0.097805   0.080629   0.034204   0.010710
           0.015854   0.014511   0.011814   0.010270 [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 2.50e-07 3.30e-07 3.21e-07 5.56e-07 1.08e-06 1.46e-06   erg/cm2
              Error 4.16e-08 3.59e-08 5.70e-08 2.01e-07 1.32e-07 2.58e-07   erg/cm2
Peak flux Power-law 1.06e+00 6.58e-01 2.63e-01 1.41e-01 2.05e+00 2.12e+00   ph/cm2/s
              Error 2.97e-01 1.32e-01 9.98e-02 1.03e-01 4.06e-01 4.16e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.44e-07 3.38e-07 3.21e-07 3.92e-07 1.07e-06 1.30e-06   erg/cm2
              Error 4.66e-08 4.48e-08 5.93e-08 4.07e-07 1.47e-07 3.71e-07   erg/cm2
Peak flux Cutoff-PL 1.07e+00 6.56e-01 2.58e-01 1.33e-01 2.05e+00 2.12e+00   ph/cm2/s
              Error 2.99e-01 1.41e-01 -------- -------- 4.07e-01 4.27e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- 1.55e-06   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    2.042    0.208    -      -           4.50e-03 5.82e-04   40.210 57
CPL   1.839    0.703      35.3    0.0      5.82e-03 0.00e+00   40.010 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.325    0.429    -      -           1.16e-02 3.30e-03   53.190 57
CPL   2.494    0.000     195.1    0.0      9.22e-03 0.00e+00   52.980 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: 5.248000 sec.
T50 in the 50-300 keV band: 2.496000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   26.064   -0.424   25.640
T90    21.888    0.248   22.136
T50    10.160    2.424   12.584
Peak    1.000    2.380    3.380

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  167.3860 -54.3432 0.0179   40.6 -139.7       1.6817    10.7  TRIG_00772006       
------------------------------------------
 
Foreground time interval of the image:
 -0.424  25.640 (delta_t =  26.064 [sec])
Background time interval of the image:
-78.207  -0.424 (delta_t =  77.783 [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   -0.424 sec. to   25.640 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.04244     ( -0.203086   0.21272 )
Norm@50keV  : 4.49877E-03    ( -0.00058872   0.000574617 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.21 using 59 PHA bins.
# Reduced chi-squared =         0.7054 for     57 degrees of freedom 
# Null hypothesis probability =   9.551144e-01
 
Photon flux (15-150 keV)    in 26.06 sec: 0.688328 ( -0.0772262  0.0774923 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.084e-06 ( -1.31188e-07  1.32732e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.424 sec. to   25.640 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.83943     ( -0.90022   0.505852 )
Epeak [keV] : 35.2567      (   )
Norm@50keV  : 5.82419E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.01 using 59 PHA bins.
# Reduced chi-squared =         0.7145 for     56 degrees of freedom 
# Null hypothesis probability =   9.473738e-01
 
Photon flux (15-150 keV)    in 26.06 sec: 0.681841 ( -0.080905  0.08068 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.0658e-06 ( -1.4849e-07  1.46173e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.424 sec. to   25.640 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.98485   ( 1.98479   1.98479 )
beta        : -9.26012    ( 9.36359   19.3636 )
Epeak [keV] : 13.3440      ( -9.52806 -11.8629 )
Norm@50keV   : 4.80189E-03    ( -0.000528923   0.114222 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.12 using 59 PHA bins.
# Reduced chi-squared =         0.7295 for     55 degrees of freedom 
# Null hypothesis probability =   9.339866e-01
 
Photon flux (15-150 keV)    in 26.06 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]    : 10.3890  (-1.35388  1.57198)
R^2/D10^2   : 0.266551  (-0.112855   0.194843)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.78 using 59 PHA bins.
# Reduced chi-squared =          1.084 for     57 degrees of freedom 
# Null hypothesis probability =   3.094616e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.545e-07   3.161e-08
25- 50  4.051e-07   6.320e-08
50-150  2.359e-07   6.635e-08
15-150  7.955e-07   1.140e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 67.3689       (-19.0016      31.9495)
Norm        : 3.38593       (-0.59871     0.719412)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.02 using 59 PHA bins.
# Reduced chi-squared =         0.7197 for     57 degrees of freedom 
# Null hypothesis probability =   9.452638e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.254e-07   3.504e-08
25- 50  3.549e-07   4.144e-08
50-150  4.428e-07   1.247e-07
15-150  1.023e-06   1.462e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.93042        (-2.13337      2.13242)
R1^2/D10^2  : 1.70730        (-1.11362      3.36725)
kT2 [keV]   : 20.6409        (-6.66727      18.5899)
R2^2/D10^2  : 1.32321E-02    (-0.0116709   0.0415975)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.70 using 59 PHA bins.
# Reduced chi-squared =         0.7582 for     55 degrees of freedom 
# Null hypothesis probability =   9.070300e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.324e-07   1.221e-07
25- 50  3.409e-07   1.518e-07
50-150  4.680e-07   2.560e-07
15-150  1.041e-06   4.166e-07

Peak spectrum fit

Power-law model
Time interval is from    2.380 sec. to    3.380 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.32481     ( -0.400308   0.457278 )
Norm@50keV  : 1.15798E-02    ( -0.00339549   0.00321241 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.19 using 59 PHA bins.
# Reduced chi-squared =         0.9331 for     57 degrees of freedom 
# Null hypothesis probability =   6.189021e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.05198 ( -0.405875  0.406659 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.1118e-07 ( -2.5391e-08  2.62728e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.380 sec. to    3.380 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.49364     ( -1.98996   -1.98996 )
Epeak [keV] : 195.052      (   )
Norm@50keV  : 9.22315E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.98 using 59 PHA bins.
# Reduced chi-squared =         0.9461 for     56 degrees of freedom 
# Null hypothesis probability =   5.898342e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.05424 ( -0.40966  0.40444 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.11151e-07 ( -2.64546e-08  2.5856e-08 ) ergs/cm2
 
Band function
Time interval is from    2.380 sec. to    3.380 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -5.28377   ( 5.28377   5.28377 )
beta        : -2.32481    ( -0.457279   0.400451 )
Epeak [keV] : 9.34901      ( -9.34901 -9.34901 )
Norm@50keV   : 1.57386    ( -0.461495   0.436611 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.19 using 59 PHA bins.
# Reduced chi-squared =         0.9670 for     55 degrees of freedom 
# Null hypothesis probability =   5.442073e-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]    : 7.95599  (-1.91668  2.42539)
R^2/D10^2   : 2.18118  (-1.44063   4.72297)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.57 using 59 PHA bins.
# Reduced chi-squared =          1.098 for     57 degrees of freedom 
# Null hypothesis probability =   2.850394e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.486e-08   1.029e-08
25- 50  4.310e-08   1.575e-08
50-150  1.111e-08   6.543e-09
15-150  7.908e-08   3.086e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 42.5222       (-18.1454      43.0271)
Norm        : 12.4853       (-4.37109     7.78473)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.08 using 59 PHA bins.
# Reduced chi-squared =         0.9664 for     57 degrees of freedom 
# Null hypothesis probability =   5.472670e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.924e-08   7.800e-09
25- 50  3.947e-08   1.338e-08
50-150  3.260e-08   1.855e-08
15-150  1.013e-07   3.473e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.54049        (-2.16005      2.79456)
R1^2/D10^2  : 18.8455        (-15.9231      437.195)
kT2 [keV]   : 19.3288        (-9.8474      47.6814)
R2^2/D10^2  : 4.59095E-02    (-0.0428332   0.763249)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.86 using 59 PHA bins.
# Reduced chi-squared =         0.9793 for     55 degrees of freedom 
# Null hypothesis probability =   5.182670e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.401e-08   1.859e-08
25- 50  3.197e-08   1.724e-08
50-150  4.531e-08   2.964e-08
15-150  1.113e-07   6.095e-08
Plot creation:
Wed Sep 13 04:14:22 EDT 2017