batgrbproduct Analysis for Trigger=662757

Analysis Summary

Special note:

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Nov  7 22:48:31 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger662757/batgroup_hand_proc
======================================================================

  Trigger: 00662757      Segment: 000

  BAT Trigger Time: 468609592   [s; MET]
      Trigger Stop: 468609952   [s; MET]
               UTC: 2015-11-07T17:19:36.617900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 217.139076700173   Dec: -59.6797006612809  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.65
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.65

  Flight Position:   [ source = BAT ]
    RA: 217.139076700173   Dec: -59.6797006612809  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 217.139   Dec: -59.6797  [deg; J2000]
        { 14h 28m 33.4s , -59d -40' -46.9" }
        +/- 2.71791441782 [arcmin] (estimated 90% radius based on SNR)
    SNR: 7.29186085434
 
 
  Angular difference between Flight and Ground position is 0.002324 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 360 +/- 
        Measured from: 0
                   to: 360     [s; relative to TRIGTIME]
     T50: 360 +/- 
        Measured from: 0
                   to: 360     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 360 second)
        Measured from: 0     
                   to: 360     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 360     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.800885   0.621366   0.019918   0.086457
           0.102835   0.098809   0.083912   0.073445 [error]
 Peak      0.800885   0.621366   0.019918   0.086457
           0.102835   0.098809   0.083912   0.073445 [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 5.85e-07 6.60e-07 5.33e-07 7.18e-07 2.04e-06 2.50e-06   erg/cm2
              Error 8.62e-08 8.13e-08 1.27e-07 3.25e-07 2.92e-07 4.93e-07   erg/cm2
Peak flux Power-law 1.97e-02 1.07e-02 3.60e-03 1.57e-03 3.49e-02 3.56e-02   ph/cm2/s
              Error 4.20e-03 2.29e-03 1.56e-03 1.23e-03 6.32e-03 6.57e-03   ph/cm2/s
 
Fluence   Cutoff-PL 5.28e-07 7.76e-07 4.38e-07 7.27e-08 1.81e-06 1.81e-06   erg/cm2
              Error 1.01e-07 1.18e-07 1.58e-07 1.73e-07 2.87e-07 3.33e-07   erg/cm2
Peak flux Cutoff-PL 1.89e-02 1.24e-02 2.44e-03 1.08e-04 3.39e-02 3.39e-02   ph/cm2/s
              Error 4.62e-03 3.15e-03 1.89e-03 1.08e-03 6.19e-03 6.21e-03   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    2.308    0.238    -      -           1.86e-04 3.23e-05   63.070 57
CPL   0.714    1.330      30.6    0.0      1.73e-03 0.00e+00   57.440 56
 
 
(1-s peak spectrum is not available)
 
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  360.000    0.000  360.000
T90   360.000    0.000  360.000
T50   360.000    0.000  360.000
Peak  360.000    0.000  360.000

Image

Pre-slew 15.0-50.0 keV image (Event data)

#RAcent DECcent POSerr Theta  Phi  Peak_Cts  SNR Name
217.139 -59.680 0.000 9.538 -51.058 1.393 7.292 TRIG_00662757
 
Image time interval: 0.000 to 360.000 [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 average DRM

Power-law model
Time interval is from -239.000 sec. to  909.501 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.30807     ( -0.227552   0.248636 )
Norm@50keV  : 1.85748E-04    ( -3.25413e-05   3.20249e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.07 using 59 PHA bins.
# Reduced chi-squared =          1.107 for     57 degrees of freedom 
# Null hypothesis probability =   2.703229e-01
 
Photon flux (15-150 keV)    in 1149 sec: 3.26074E-02 ( -0.00370375  0.00370375 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.04257e-06 ( -2.87201e-07  2.9776e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from -239.000 sec. to  909.501 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.714486     ( -1.47846   1.18148 )
Epeak [keV] : 30.5588      (   )
Norm@50keV  : 1.72806E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.44 using 59 PHA bins.
# Reduced chi-squared =          1.026 for     56 degrees of freedom 
# Null hypothesis probability =   4.217649e-01
 
Photon flux (15-150 keV)    in 1149 sec: 3.10154E-02 ( -0.0037915  0.0038193 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.80506e-06 ( -2.65327e-07  3.0776e-07 ) ergs/cm2
 
Band function
Time interval is from -239.000 sec. to  909.501 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.729352   ( -1.15231   1.17018 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 30.4780      ( -5.60582 7.33857 )
Norm@50keV   : 1.69302E-03    ( -0.00171523   0.0122069 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.44 using 59 PHA bins.
# Reduced chi-squared =          1.044 for     55 degrees of freedom 
# Null hypothesis probability =   3.850247e-01
 
Photon flux (15-150 keV)    in 1149 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]    : 8.75487  (-1.01562  1.11611)
R^2/D10^2   : 2.53331E-02  (-0.00959718   0.0159629)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.18 using 59 PHA bins.
# Reduced chi-squared =          1.108 for     57 degrees of freedom 
# Null hypothesis probability =   2.674058e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.279e-07   8.325e-08
25- 50  8.706e-07   1.336e-07
50-150  3.050e-07   1.076e-07
15-150  1.604e-06   2.488e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 40.6394       (-9.97796      15.0264)
Norm        : 0.209550       (-0.0410353     0.0531968)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.15 using 59 PHA bins.
# Reduced chi-squared =          1.020 for     57 degrees of freedom 
# Null hypothesis probability =   4.327014e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.558e-07   8.589e-08
25- 50  7.362e-07   1.056e-07
50-150  5.795e-07   2.057e-07
15-150  1.872e-06   3.051e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.13642        (-1.21602      2.07968)
R1^2/D10^2  : 10.4777        (-10.267      64456.9)
kT2 [keV]   : 9.94972        (-1.39689      2.06892)
R2^2/D10^2  : 1.39964E-02    (-0.00816856   0.012477)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.74 using 59 PHA bins.
# Reduced chi-squared =         0.9770 for     55 degrees of freedom 
# Null hypothesis probability =   5.230250e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.182e-07   1.743e-07
25- 50  8.063e-07   2.023e-07
50-150  4.110e-07   1.752e-07
15-150  1.735e-06   4.491e-07
Plot creation:
Sun Nov  8 00:26:14 EST 2015