batgrbproduct Analysis for Trigger=557640

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jun  7 18:51:39 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger557640/GCN5_download_cron
======================================================================

  Trigger: 00557640      Segment: 000

  BAT Trigger Time: 392296657.344   [s; MET]
      Trigger Stop: 392296657.352   [s; MET]
               UTC: 2013-06-07T11:17:26.697900    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 266.432655517858   Dec: -28.992556134202  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.63
     Image Trigger?:     NO
     Rate S/N Ratio:     30.8220700148449  [ if not an image trigger ]
     Image S/N Ratio:    7.63

  Flight Position:   [ source = BAT ]
    RA: 266.432655517858   Dec: -28.992556134202  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.448533257914   Dec: -29.0100380010464  [deg; J2000]  
        { 17h 45m 47.6s , -29d 00' 36.1" }
         +/- 2.39419466135558 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.23672542138614 [arcmin] (formal 1-sigma fit error)
    SNR: 8.73900547275568
 
  Angular difference between Flight and Ground position is 1.339572 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 0.00800001621246338 +/- 0.143108374017273
        Measured from: 0
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     T50: 0.00800001621246338 +/- 0.064
        Measured from: 0
                   to: 0.00800001621246338     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.00800001621246338 second)
        Measured from: 0     
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.008754   0.007149   0.003262   0.000108
           0.001502   0.001508   0.000892   0.000248 [error]
 Peak      0.008754   0.007149   0.003262   0.000108
           0.001502   0.001508   0.000892   0.000248 [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 2.36e-09 1.40e-09 5.31e-10 2.68e-10 4.43e-09 4.56e-09   erg/cm2
              Error 6.23e-10 4.83e-10 3.39e-10 3.34e-10 1.27e-09 1.37e-09   erg/cm2
Peak flux Power-law 9.89e+00 3.33e+00 6.31e-01 1.40e-01 1.39e+01 1.40e+01   ph/cm2/s
              Error 2.65e+00 1.11e+00 3.92e-01 1.66e-01 3.54e+00 3.56e+00   ph/cm2/s
 
Fluence   Cutoff-PL 2.39e-09 1.88e-09 3.16e-10 6.16e-12 4.59e-09 4.59e-09   erg/cm2
              Error 6.80e-10 7.41e-10 3.92e-10 1.05e-10 1.25e-09 1.25e-09   erg/cm2
Peak flux Cutoff-PL 9.81e+00 4.49e+00 4.10e-01 4.31e-03 1.47e+01 1.47e+01   ph/cm2/s
              Error 2.16e+00 1.69e+00 4.80e-01 6.02e-02 3.59e+00 3.59e+00   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.399    0.561    -      -           3.74e-02 1.88e-02   43.360 57
CPL   0.744    0.000      15.3    0.0      2.40e+00 0.00e+00   40.060 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.399    0.561    -      -           3.74e-02 1.88e-02   43.360 57
CPL   0.744    0.000      15.3    0.0      2.40e+00 0.00e+00   40.060 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    0.008    0.000    0.008
T90     0.008    0.000    0.008
T50     0.008    0.000    0.008
Peak    0.008    0.000    0.008

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  266.4485 -29.0100 0.0220    2.8 -175.9       0.0200     8.7  TRIG_00557640       
------------------------------------------
 
Foreground time interval of the image:
  0.000   0.008 (delta_t =   0.008 [sec])
Background time interval of the image:
-119.344  -1.344 (delta_t = 118.000 [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
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.39921     ( -0.472587   0.649666 )
Norm@50keV  : 3.73865E-02    ( -0.0183196   0.0193353 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.36 using 59 PHA bins.
# Reduced chi-squared =         0.7606 for     57 degrees of freedom 
# Null hypothesis probability =   9.087565e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 13.9431 ( -3.543  3.54403 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.4299e-09 ( -1.25367e-09  1.27958e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.744281     (     )
Epeak [keV] : 15.2631      (   )
Norm@50keV  : 2.40343    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.06 using 59 PHA bins.
# Reduced chi-squared =         0.7154 for     56 degrees of freedom 
# Null hypothesis probability =   9.467277e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 14.7123 ( -3.5921  3.5946 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.59002e-09 ( -1.23027e-09  1.26175e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.949335   ( -0.563252   0.949341 )
beta        : -9.37167    ( 9.37167   6.03394 )
Epeak [keV] : 14.1517      ( -4.5225 11.434 )
Norm@50keV   : 1.68831    ( -1.68801   83.1587 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.08 using 59 PHA bins.
# Reduced chi-squared =         0.7287 for     55 degrees of freedom 
# Null hypothesis probability =   9.346342e-01
 
Photon flux (15-150 keV)    in 0.008 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]    : 5.41652  (-1.23561  1.49775)
R^2/D10^2   : 89.1770  (-60.3044   210.727)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.03 using 59 PHA bins.
# Reduced chi-squared =         0.7198 for     57 degrees of freedom 
# Null hypothesis probability =   9.452208e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.365e-09   1.380e-09
25- 50  1.872e-09   1.118e-09
50-150  1.105e-10   9.748e-11
15-150  4.347e-09   2.269e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 16.5386       (-5.89793      7.60008)
Norm        : 232.824       (-100.118     213.187)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.19 using 59 PHA bins.
# Reduced chi-squared =         0.7052 for     57 degrees of freedom 
# Null hypothesis probability =   9.552629e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.413e-09   8.924e-10
25- 50  1.802e-09   8.570e-10
50-150  3.845e-10   3.095e-10
15-150  4.600e-09   1.919e-09
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.53423        (-3.53519      54.0812)
R1^2/D10^2  : 390.845        (-390.567      -390.567)
kT2 [keV]   : 7.80707        (-7.81049      76.846)
R2^2/D10^2  : 10.3209    (-10.2957   213.435)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.96 using 59 PHA bins.
# Reduced chi-squared =         0.7266 for     55 degrees of freedom 
# Null hypothesis probability =   9.363972e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.403e-09   1.390e-09
25- 50  1.875e-09   1.075e-09
50-150  3.647e-10   2.567e-10
15-150  4.643e-09   2.310e-09

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.39921     ( -0.472587   0.649666 )
Norm@50keV  : 3.73865E-02    ( -0.0183196   0.0193353 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.36 using 59 PHA bins.
# Reduced chi-squared =         0.7606 for     57 degrees of freedom 
# Null hypothesis probability =   9.087565e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 13.9431 ( -3.543  3.54403 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.4299e-09 ( -1.25367e-09  1.27958e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.744281     (     )
Epeak [keV] : 15.2631      (   )
Norm@50keV  : 2.40343    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.06 using 59 PHA bins.
# Reduced chi-squared =         0.7154 for     56 degrees of freedom 
# Null hypothesis probability =   9.467277e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 14.7123 ( -3.5921  3.5946 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.59002e-09 ( -1.23027e-09  1.26175e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.949335   ( -0.563252   0.949341 )
beta        : -9.37167    ( 9.37167   6.03215 )
Epeak [keV] : 14.1517      ( -4.5225 11.434 )
Norm@50keV   : 1.68831    ( -1.68801   83.1587 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.08 using 59 PHA bins.
# Reduced chi-squared =         0.7287 for     55 degrees of freedom 
# Null hypothesis probability =   9.346342e-01
 
Photon flux (15-150 keV)    in 0.008 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]    : 5.41652  (-1.23561  1.49775)
R^2/D10^2   : 89.1770  (-60.3044   210.727)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.03 using 59 PHA bins.
# Reduced chi-squared =         0.7198 for     57 degrees of freedom 
# Null hypothesis probability =   9.452208e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.365e-09   1.392e-09
25- 50  1.872e-09   1.118e-09
50-150  1.105e-10   9.907e-11
15-150  4.347e-09   2.049e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 16.5386       (-5.89793      7.60008)
Norm        : 232.824       (-100.118     213.187)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.19 using 59 PHA bins.
# Reduced chi-squared =         0.7052 for     57 degrees of freedom 
# Null hypothesis probability =   9.552629e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.413e-09   9.144e-10
25- 50  1.802e-09   8.850e-10
50-150  3.845e-10   3.262e-10
15-150  4.600e-09   1.762e-09
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.53423        (-3.53519      52.1248)
R1^2/D10^2  : 390.845        (-390.567      -390.567)
kT2 [keV]   : 7.80707        (-7.81049      86.2935)
R2^2/D10^2  : 10.3209    (-10.2957   213.435)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          39.96 using 59 PHA bins.
# Reduced chi-squared =         0.7266 for     55 degrees of freedom 
# Null hypothesis probability =   9.363972e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.403e-09   1.363e-09
25- 50  1.875e-09   1.064e-09
50-150  3.647e-10   2.556e-10
15-150  4.643e-09   2.416e-09
Plot creation:
Fri Jun  7 18:56:36 EDT 2013