batgrbproduct Analysis for Trigger=635802

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Mar 23 01:53:22 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger635802/GCN5_download_cron
======================================================================

  Trigger: 00635802      Segment: 000

  BAT Trigger Time: 448710888   [s; MET]
      Trigger Stop: 448710952   [s; MET]
               UTC: 2015-03-22T09:54:34.656960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 245.399160102901   Dec: -14.832341861777  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.55
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.55

  Flight Position:   [ source = BAT ]
    RA: 245.399160102901   Dec: -14.832341861777  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 245.410396556333   Dec: -14.8443618028357  [deg; J2000]  
        { 16h 21m 38.5s , -14d 50' 39.7" }
         +/- 2.29249377725128 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.870714783762392 [arcmin] (formal 1-sigma fit error)
    SNR: 9.29806181853581
 
  Angular difference between Flight and Ground position is 0.972030 arcmin
 
  Partial Coding Fraction: 0.4101562    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.450674   0.261018   0.130025   0.217440
           0.117415   0.119089   0.105941   0.085809 [error]
 Peak      2.450674   0.261018   0.130025   0.217440
           0.117415   0.119089   0.105941   0.085809 [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 8.17e-07 1.11e-07 6.70e-09 4.28e-10 9.35e-07 9.35e-07   erg/cm2
              Error 1.07e-07 4.58e-08 6.80e-09 8.81e-10 1.26e-07 1.26e-07   erg/cm2
Peak flux Power-law 4.61e-01 3.66e-02 1.11e-03 3.44e-05 4.98e-01 4.98e-01   ph/cm2/s
              Error 6.12e-02 1.44e-02 1.09e-03 6.83e-05 6.44e-02 6.44e-02   ph/cm2/s
 
Fluence   Cutoff-PL 8.24e-07 9.53e-08 2.21e-09 1.08e-11 9.21e-07 9.22e-07   erg/cm2
              Error 1.20e-07 7.25e-08 8.02e-09 8.69e-10 1.34e-07 1.35e-07   erg/cm2
Peak flux Cutoff-PL 4.60e-01 3.65e-02 1.10e-03 3.39e-05 4.98e-01 4.98e-01   ph/cm2/s
              Error 6.15e-02 2.63e-02 1.30e-03 6.77e-05 6.43e-02 6.43e-02   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    6.050    0.759    -      -           1.15e-04 9.36e-05   50.470 57
CPL   1.000    0.000      50.0    0.0      4.73e-03 0.00e+00  162.380 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    6.050    0.759    -      -           1.15e-04 9.36e-05   50.470 57
CPL   1.000    0.000      50.0    0.0      4.73e-03 0.00e+00  162.380 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  245.4104 -14.8444 0.0207   29.9  122.9       3.0944     9.3  TRIG_00635802       
------------------------------------------
 
Foreground time interval of the image:
  0.000  42.610 (delta_t =  42.610 [sec])
 44.000  64.000 (delta_t =  20.000 [sec])
Background time interval of the image:

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 42.610000
44.000000 64.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.04955     ( -0.731719   0.78675 )
Norm@50keV  : 1.15237E-04    ( -6.49548e-05   0.000122209 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.47 using 59 PHA bins.
# Reduced chi-squared =         0.8854 for     57 degrees of freedom 
# Null hypothesis probability =   7.168676e-01
 
Photon flux (15-150 keV)    in 62.61 sec: 0.498435 ( -0.0643672  0.0643671 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.35011e-07 ( -1.25251e-07  1.26169e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 42.610000
44.000000 64.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 4.73229E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         162.38 using 59 PHA bins.
# Reduced chi-squared =         2.8996 for     56 degrees of freedom 
# Null hypothesis probability =   2.699344e-12
 
Photon flux (15-150 keV)    in 62.61 sec: 0.497807 ( -0.064217  0.064286 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.20693e-07 ( -1.28325e-07  1.39288e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 42.610000
44.000000 64.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.76010   ( 1.76804   1.76804 )
beta        : -6.68745    ( 6.70489   1.32257 )
Epeak [keV] : 1.04518      ( -1.04518 1.17759 )
Norm@50keV   : 0.608868    ( -0.396084   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.79 using 59 PHA bins.
# Reduced chi-squared =         0.9053 for     55 degrees of freedom 
# Null hypothesis probability =   6.733999e-01
 
Photon flux (15-150 keV)    in 62.61 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]    : 2.32406  (-0.270989  0.321573)
R^2/D10^2   : 428.438  (-270.952   762.807)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.94 using 59 PHA bins.
# Reduced chi-squared =         0.8937 for     57 degrees of freedom 
# Null hypothesis probability =   7.004857e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.514e-07   4.011e-07
25- 50  4.616e-08   2.725e-08
50-150  6.940e-12   7.581e-12
15-150  8.975e-07   4.716e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.07544       (-0.707844      0.95106)
Norm        : 257.467       (-149.067     377.579)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.8879 for     57 degrees of freedom 
# Null hypothesis probability =   7.121128e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.415e-07   3.190e-07
25- 50  6.443e-08   3.118e-08
50-150  1.067e-10   1.040e-10
15-150  9.061e-07   3.336e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.27649        (-0.288813      0.325656)
R1^2/D10^2  : 497.265        (-248.882      1714.99)
kT2 [keV]   : 25.4564        (-18.3895      -25.3614)
R2^2/D10^2  : 1.05031E-03    (-0.00106244   3.96792)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.98 using 59 PHA bins.
# Reduced chi-squared =         0.8724 for     55 degrees of freedom 
# Null hypothesis probability =   7.374534e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.482e-07   4.461e-07
25- 50  8.365e-08   4.374e-08
50-150  2.011e-07   1.874e-07
15-150  1.133e-06   5.027e-07

Peak spectrum fit

Power-law model
Time interval is from   44.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 6.04955     ( -0.731719   0.78675 )
Norm@50keV  : 1.15237E-04    ( -6.49548e-05   0.000122209 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.47 using 59 PHA bins.
# Reduced chi-squared =         0.8854 for     57 degrees of freedom 
# Null hypothesis probability =   7.168676e-01
 
Photon flux (15-150 keV)    in 62.61 sec: 0.498435 ( -0.0643672  0.0643671 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.35011e-07 ( -1.25251e-07  1.26169e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   44.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 4.73229E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         162.38 using 59 PHA bins.
# Reduced chi-squared =         2.8996 for     56 degrees of freedom 
# Null hypothesis probability =   2.699344e-12
 
Photon flux (15-150 keV)    in 62.61 sec: 0.497807 ( -0.064217  0.064286 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.20693e-07 ( -1.28325e-07  1.39288e-07 ) ergs/cm2
 
Band function
Time interval is from   44.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.76010   ( 1.76804   1.76804 )
beta        : -6.68745    ( 6.70489   1.32257 )
Epeak [keV] : 1.04518      ( -1.04518 1.17759 )
Norm@50keV   : 0.608868    ( -0.396084   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.79 using 59 PHA bins.
# Reduced chi-squared =         0.9053 for     55 degrees of freedom 
# Null hypothesis probability =   6.733999e-01
 
Photon flux (15-150 keV)    in 62.61 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]    : 2.32406  (-0.270989  0.321573)
R^2/D10^2   : 428.438  (-270.952   762.807)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.94 using 59 PHA bins.
# Reduced chi-squared =         0.8937 for     57 degrees of freedom 
# Null hypothesis probability =   7.004857e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.514e-07   4.231e-07
25- 50  4.616e-08   2.566e-08
50-150  6.940e-12   7.502e-12
15-150  8.975e-07   4.601e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 4.07544       (-0.707844      0.95106)
Norm        : 257.467       (-149.067     377.579)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.8879 for     57 degrees of freedom 
# Null hypothesis probability =   7.121128e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.415e-07   3.374e-07
25- 50  6.443e-08   3.108e-08
50-150  1.067e-10   1.100e-10
15-150  9.061e-07   3.651e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.27649        (-0.288818      0.325656)
R1^2/D10^2  : 497.265        (-248.882      1714.99)
kT2 [keV]   : 25.4564        (-24.9085      -25.3614)
R2^2/D10^2  : 1.05031E-03    (-0.00106244   3.96792)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.98 using 59 PHA bins.
# Reduced chi-squared =         0.8724 for     55 degrees of freedom 
# Null hypothesis probability =   7.374534e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.482e-07   4.552e-07
25- 50  8.365e-08   4.333e-08
50-150  2.011e-07   1.592e-07
15-150  1.133e-06   5.303e-07
Plot creation:
Mon Mar 23 01:57:54 EDT 2015