batgrbproduct Analysis for Trigger=655097

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Sep 11 03:49:09 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger655097/GCN5_download_cron
======================================================================

  Trigger: 00655097      Segment: 000

  BAT Trigger Time: 463568704   [s; MET]
      Trigger Stop: 463568768   [s; MET]
               UTC: 2015-09-10T09:04:48.885620    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 5.67522090431259   Dec: 33.4987706090102  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.08
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.08

  Flight Position:   [ source = BAT ]
    RA: 5.67522090431259   Dec: 33.4987706090102  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 5.67746440419537   Dec: 33.4662152452305  [deg; J2000]  
        { 00h 22m 42.6s , +33d 27' 58.4" }
         +/- 2.33586362787781 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.00909736294563 [arcmin] (formal 1-sigma fit error)
    SNR: 9.05242282630047
 
  Angular difference between Flight and Ground position is 1.956546 arcmin
 
  Partial Coding Fraction: 0.1484375    [ including projection effects ]

  Duration
     T90: 112.000000059605 +/- 38.5494757277456
        Measured from: 1.40000009536743
                   to: 113.400000154972     [s; relative to TRIGTIME]
     T50: 44.6080000400543 +/- 7.878566382857
        Measured from: 39.4160001277924
                   to: 84.0240001678467     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 82.8920000195503     
                   to: 83.8920000195503     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -5     
                   to: 149.751999974251     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.556323   2.762756   2.037592   0.466004
           0.158375   0.164064   0.144641   0.128852 [error]
 Peak      0.041673   0.027565   0.040031   0.040512
           0.014407   0.015697   0.014261   0.012969 [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 5.93e-07 1.14e-06 1.71e-06 5.52e-06 4.82e-06 8.96e-06   erg/cm2
              Error 7.41e-08 8.52e-08 1.44e-07 1.03e-06 3.55e-07 1.13e-06   erg/cm2
Peak flux Power-law 3.38e-01 3.51e-01 2.58e-01 3.04e-01 1.06e+00 1.25e+00   ph/cm2/s
              Error 3.14e-01 1.54e-01 1.36e-01 4.11e-01 3.93e-01 4.67e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.88e-07 1.15e-06 1.72e-06 5.08e-06 4.80e-06 8.53e-06   erg/cm2
              Error 8.27e-08 9.34e-08 1.52e-07 1.68e-06 3.73e-07 1.94e-06   erg/cm2
Peak flux Cutoff-PL 3.38e-01 3.51e-01 2.58e-01 3.02e-01 1.06e+00 1.25e+00   ph/cm2/s
              Error 2.62e-01 1.53e-01 1.36e-01 4.58e-01 3.92e-01 8.51e-01   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    1.420    0.120    -      -           3.27e-03 2.21e-04   53.080 57
CPL   1.417    0.299    9999.5    0.0      3.28e-03 1.25e-03   53.080 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.452    0.984    -      -           8.64e-03 3.49e-03   53.790 57
CPL   5.851    1.054     658.5    0.0      9.55e-05 1.26e-03   48.820 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: 108.544000 sec.
T50 in the 50-300 keV band: 44.800000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  154.752   -5.000  149.752
T90   112.000    1.400  113.400
T50    44.608   39.416   84.024
Peak    1.000   82.892   83.892

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
    5.6775 +33.4662 0.0213   37.5  121.0       2.8388     9.1  TRIG_00655097       
------------------------------------------
 
Foreground time interval of the image:
 -5.000  14.450 (delta_t =  19.450 [sec])
 16.000  72.001 (delta_t =  56.001 [sec])
Background time interval of the image:
-239.000 -56.431 (delta_t = 182.568 [sec])
-55.000  -5.000 (delta_t =  50.000 [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
-5.000000 14.450000
16.000000 149.752000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.42020     ( -0.12061   0.120065 )
Norm@50keV  : 3.26732E-03    ( -0.000220755   0.000220469 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.08 using 59 PHA bins.
# Reduced chi-squared =         0.9312 for     57 degrees of freedom 
# Null hypothesis probability =   6.229492e-01
 
Photon flux (15-150 keV)    in 153.2 sec: 0.399762 ( -0.0281591  0.0282429 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.81714e-06 ( -3.541e-07  3.55726e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-5.000000 14.450000
16.000000 149.752000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.41719     ( -0.456021   0.141273 )
Epeak [keV] : 9999.53      ( -9999.53 -9999.53 )
Norm@50keV  : 3.27873E-03    ( -0.000221588   0.00227372 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.08 using 59 PHA bins.
# Reduced chi-squared =         0.9478 for     56 degrees of freedom 
# Null hypothesis probability =   5.862124e-01
 
Photon flux (15-150 keV)    in 153.2 sec: 0.399123 ( -0.02886  0.028678 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.80118e-06 ( -3.75064e-07  3.71525e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-5.000000 14.450000
16.000000 149.752000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.494422   ( 0.519673   0.519673 )
beta        : -1.50858    ( 1.50918   0.171852 )
Epeak [keV] : 38.1902      ( -38.0853 103.716 )
Norm@50keV   : 6.60720E-02    ( -0.0690819   112.697 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.19 using 59 PHA bins.
# Reduced chi-squared =         0.9307 for     55 degrees of freedom 
# Null hypothesis probability =   6.211118e-01
 
Photon flux (15-150 keV)    in 153.2 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]    : 15.6754  (-1.44415  1.64978)
R^2/D10^2   : 3.86369E-02  (-0.0114326   0.0157391)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         111.50 using 59 PHA bins.
# Reduced chi-squared =         1.9562 for     57 degrees of freedom 
# Null hypothesis probability =   2.153032e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.020e-07   4.144e-08
25- 50  1.249e-06   1.224e-07
50-150  2.127e-06   2.880e-07
15-150  3.678e-06   3.079e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-27.1829      -200)
Norm        : 1.65510       (-0.111582     0.111582)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.57 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     57 degrees of freedom 
# Null hypothesis probability =   4.538005e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.315e-07   4.895e-08
25- 50  1.215e-06   1.056e-07
50-150  2.664e-06   6.097e-07
15-150  4.511e-06   7.576e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.86901        (-1.47345      1.5938)
R1^2/D10^2  : 0.208377        (-0.0848699      0.164697)
kT2 [keV]   : 43.2508        (-12.8915      40.8861)
R2^2/D10^2  : 1.07166E-03    (-0.000849989   0.00210768)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.89 using 59 PHA bins.
# Reduced chi-squared =         0.8889 for     55 degrees of freedom 
# Null hypothesis probability =   7.058874e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.225e-07   1.037e-07
25- 50  1.269e-06   2.899e-07
50-150  3.104e-06   1.373e-06
15-150  4.895e-06   1.611e-06

Peak spectrum fit

Power-law model
Time interval is from   82.892 sec. to   83.892 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.45244     ( -0.945573   1.0225 )
Norm@50keV  : 8.64053E-03    ( -0.00383175   0.00314197 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.79 using 59 PHA bins.
# Reduced chi-squared =         0.9436 for     57 degrees of freedom 
# Null hypothesis probability =   5.964254e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.06480 ( -0.389605  0.396042 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.27616e-08 ( -3.67673e-08  3.56481e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   82.892 sec. to   83.892 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 5.85119     ( -1.11251   0.994743 )
Epeak [keV] : 658.516      ( -9999.36 -9999.36 )
Norm@50keV  : 9.55238E-05    ( -9.2827e-05   0.00242159 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.82 using 59 PHA bins.
# Reduced chi-squared =         0.8718 for     56 degrees of freedom 
# Null hypothesis probability =   7.408062e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.06417 ( -0.388538  0.39524 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.96789e-08 ( -3.24436e-08  3.91121e-08 ) ergs/cm2
 
Band function
Time interval is from   82.892 sec. to   83.892 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.16769   ( 1.16822   1.16822 )
beta        : -1.44422    ( 1.44648   0.942365 )
Epeak [keV] : 30.6786      ( -30.8562 -30.8562 )
Norm@50keV   : 1.77030E-02    ( -0.0177227   0.379686 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.79 using 59 PHA bins.
# Reduced chi-squared =         0.9779 for     55 degrees of freedom 
# Null hypothesis probability =   5.210971e-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]    : 23.8390  (-14.1656  -24.2066)
R^2/D10^2   : 2.36364E-02  (-0.0217149   0.400068)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.62 using 59 PHA bins.
# Reduced chi-squared =          1.046 for     57 degrees of freedom 
# Null hypothesis probability =   3.805167e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.664e-08   1.027e-08
25- 50  2.196e-09   1.542e-09
50-150  2.807e-12   4.228e-12
15-150  1.884e-08   1.139e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.334       (-199.352      -199.352)
Norm        : 4.29642       (-1.56761     1.57041)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.78 using 59 PHA bins.
# Reduced chi-squared =         0.9611 for     57 degrees of freedom 
# Null hypothesis probability =   5.587238e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.070e-08   6.860e-09
25- 50  2.058e-08   1.280e-08
50-150  4.513e-08   2.803e-08
15-150  7.641e-08   4.815e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.64124        (-1.23693      2.52732)
R1^2/D10^2  : 185.094        (-178.016      27508.5)
kT2 [keV]   : 56.1944        (-38.8689      -57.7601)
R2^2/D10^2  : 2.22824E-03    (-0.00194181   0.0430046)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.73 using 59 PHA bins.
# Reduced chi-squared =         0.8859 for     55 degrees of freedom 
# Null hypothesis probability =   7.117128e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.570e-08   9.405e-09
25- 50  6.559e-09   3.493e-09
50-150  7.059e-08   4.214e-08
15-150  9.285e-08   5.000e-08
Plot creation:
Fri Sep 11 03:54:06 EDT 2015