batgrbproduct Analysis for Trigger=557674

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jun  8 19:36:01 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger557674/GCN5_download_cron
======================================================================

  Trigger: 00557674      Segment: 000

  BAT Trigger Time: 392343408   [s; MET]
      Trigger Stop: 392344176   [s; MET]
               UTC: 2013-06-08T00:16:37.351800    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 256.063661464133   Dec: -37.4569768216321  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    17.16
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    17.16

  Flight Position:   [ source = BAT ]
    RA: 256.063661464133   Dec: -37.4569768216321  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 256.063795511846   Dec: -37.4519332085093  [deg; J2000]  
        { 17h 04m 15.3s , -37d 27' 07.0" }
         +/- nan [arcmin] (estimated 90% radius based on SNR)
         +/- 182.163191617933 [arcmin] (formal 1-sigma fit error)
    SNR: -0.189553808311187
 
  Angular difference between Flight and Ground position is 0.302684 arcmin
 
  Partial Coding Fraction: 0.9453125    [ including projection effects ]

  Duration
     T90: 768 +/- 
        Measured from: 0
                   to: 768     [s; relative to TRIGTIME]
     T50: 768 +/- 
        Measured from: 0
                   to: 768     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 768 second)
        Measured from: 0     
                   to: 768     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 768     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.523268  -0.319106  -0.132027  -0.104420
           0.199211   0.188216   0.171217   0.177223 [error]
 Peak      0.523268  -0.319106  -0.132027  -0.104420
           0.199211   0.188216   0.171217   0.177223 [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 6.40e-08 1.79e-08 2.70e-09 4.65e-10 8.50e-08 0.00e+00   erg/cm2
              Error 7.14e-08 4.04e-08 4.08e-08 1.72e-06 1.21e-07 0.00e+00   erg/cm2
Peak flux Power-law 0.00e+00 2.86e-03 4.64e-04 3.50e-05 2.83e-06 3.38e-03   ph/cm2/s
              Error 9.83e-04 4.29e-04 8.87e-03 3.99e-03 1.49e-02 0.00e+00   ph/cm2/s
 
Fluence   Cutoff-PL 0.00e+00 6.43e-08 1.64e-08 1.62e-08 1.01e-12 9.04e-13   erg/cm2
              Error 0.00e+00 3.67e-07 1.08e-07 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux Cutoff-PL 5.12e-03 3.94e-04 7.49e-09 6.92e-21 5.51e-03 0.00e+00   ph/cm2/s
              Error 4.05e-03 5.54e-04 5.62e-05 0.00e+00 4.41e-03 0.00e+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    1.500    0.000    -      -           0.00e+00 2.25e-05   71.660 57
CPL   1.000    0.000      50.0    0.0      0.00e+00 0.00e+00   71.660 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.500    0.000    -      -           0.00e+00 2.25e-05   71.660 57
CPL   1.000    0.000      50.0    0.0      0.00e+00 0.00e+00   71.660 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  768.000    0.000  768.000
T90   768.000    0.000  768.000
T50   768.000    0.000  768.000
Peak  768.000    0.000  768.000
  • Click here for the BAT GCN circular template

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      256.0638 -37.4519 1.0105    8.8   83.7      -0.1315    -0.2  TRIG_00557674       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000 768.000 (delta_t = 768.000 [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
    Time interval is from    0.000 sec. to  768.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.50000     ( -1.5   -1.5 )
    Norm@50keV  : 0.0    ( 0   4.50931e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.257 for     57 degrees of freedom 
    # Null hypothesis probability =   9.155875e-02
     
    Photon flux (15-150 keV)    in 768 sec: 3.37686E-03 ( -0.00337686  0.00460079 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.49976e-08 ( -8.49976e-08  1.56732e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to  768.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 0.0    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.280 for     56 degrees of freedom 
    # Null hypothesis probability =   7.751167e-02
     
    Photon flux (15-150 keV)    in 768 sec: 5.51485E-03 ( -0.00436845  0.00445687 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  7.34008e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to  768.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 3.10527   ( 0.98395   0.98395 )
    beta        : -9.37167    ( 2.5   2.5 )
    Epeak [keV] : 13.7396      ( -80 -80 )
    Norm@50keV   : 10.5528    ( -11.2391   695.387 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.35 using 59 PHA bins.
    # Reduced chi-squared =          1.243 for     55 degrees of freedom 
    # Null hypothesis probability =   1.065919e-01
     
    Photon flux (15-150 keV)    in 768 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]    : 3.13124  (-3.11632  3.14278)
    R^2/D10^2   : 0.490679  (-0.514376   167.147)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.55 using 59 PHA bins.
    # Reduced chi-squared =          1.203 for     57 degrees of freedom 
    # Null hypothesis probability =   1.406277e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.147e-08   5.898e-08
    25- 50  1.544e-08   1.197e-08
    50-150  3.495e-11   4.044e-11
    15-150  1.069e-07   7.837e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 6.07104       (-6.10339      -6.10339)
    Norm        : 0.477323       (-0.46735     -0.46735)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.11 using 59 PHA bins.
    # Reduced chi-squared =          1.212 for     57 degrees of freedom 
    # Null hypothesis probability =   1.304874e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.870e-08   5.257e-08
    25- 50  1.498e-08   1.114e-08
    50-150  1.897e-10   2.713e-10
    15-150  9.388e-08   5.633e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.10577        (-3.1007      3.17285)
    R1^2/D10^2  : 0.516892        (-0.523892      163.395)
    kT2 [keV]   : 0.145302        (-0.145302      -0.145302)
    R2^2/D10^2  : 9.98027E-04    (-0.000999681   -0.000999681)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.55 using 59 PHA bins.
    # Reduced chi-squared =          1.246 for     55 degrees of freedom 
    # Null hypothesis probability =   1.036659e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to  768.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.50000     ( -1.5   -1.5 )
    Norm@50keV  : 0.0    ( 0   4.50931e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.257 for     57 degrees of freedom 
    # Null hypothesis probability =   9.155875e-02
     
    Photon flux (15-150 keV)    in 768 sec: 3.37686E-03 ( -0.00337686  0.00460079 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.49976e-08 ( -8.49976e-08  1.56732e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to  768.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 0.0    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.280 for     56 degrees of freedom 
    # Null hypothesis probability =   7.751167e-02
     
    Photon flux (15-150 keV)    in 768 sec: 5.51485E-03 ( -0.00436845  0.00445687 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  7.34008e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to  768.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 3.10527   ( 0.98395   0.98395 )
    beta        : -9.37167    ( 2.5   2.5 )
    Epeak [keV] : 13.7396      ( -80 -80 )
    Norm@50keV   : 10.5528    ( -11.2391   695.387 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.35 using 59 PHA bins.
    # Reduced chi-squared =          1.243 for     55 degrees of freedom 
    # Null hypothesis probability =   1.065919e-01
     
    Photon flux (15-150 keV)    in 768 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]    : 3.13124  (-3.11632  3.14278)
    R^2/D10^2   : 0.490679  (-0.514376   167.147)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.55 using 59 PHA bins.
    # Reduced chi-squared =          1.203 for     57 degrees of freedom 
    # Null hypothesis probability =   1.406277e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.147e-08   6.351e-08
    25- 50  1.544e-08   1.268e-08
    50-150  3.495e-11   7.972e-11
    15-150  1.069e-07   7.780e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 6.07104       (-6.10339      -6.10339)
    Norm        : 0.477323       (-0.46735     -0.46735)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.11 using 59 PHA bins.
    # Reduced chi-squared =          1.212 for     57 degrees of freedom 
    # Null hypothesis probability =   1.304874e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.870e-08   5.556e-08
    25- 50  1.498e-08   1.441e-08
    50-150  1.897e-10   1.907e-10
    15-150  9.388e-08   6.086e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.10577        (-3.1007      3.17285)
    R1^2/D10^2  : 0.516892        (-0.523892      163.395)
    kT2 [keV]   : 0.145302        (-0.145302      -0.145302)
    R2^2/D10^2  : 9.98027E-04    (-0.000999681   -0.000999681)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.55 using 59 PHA bins.
    # Reduced chi-squared =          1.246 for     55 degrees of freedom 
    # Null hypothesis probability =   1.036659e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    Pre-slew spectrum (Pre-slew PHA with pre-slew DRM)

    Power-law model
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.50000     ( -1.5   -1.5 )
    Norm@50keV  : 0.0    ( 0   4.50931e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.257 for     57 degrees of freedom 
    # Null hypothesis probability =   9.155875e-02
     
    Photon flux (15-150 keV)    in 768 sec: 3.37686E-03 ( -0.00337686  0.00460079 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.49976e-08 ( -8.49976e-08  1.56732e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 0.0    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.66 using 59 PHA bins.
    # Reduced chi-squared =          1.280 for     56 degrees of freedom 
    # Null hypothesis probability =   7.751167e-02
     
    Photon flux (15-150 keV)    in 768 sec: 5.51485E-03 ( -0.00436845  0.00445687 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  7.34008e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 3.10527   ( 0.98395   0.98395 )
    beta        : -9.37167    ( 2.5   2.5 )
    Epeak [keV] : 13.7396      ( -80 -80 )
    Norm@50keV   : 10.5528    ( -11.2391   695.387 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.35 using 59 PHA bins.
    # Reduced chi-squared =          1.243 for     55 degrees of freedom 
    # Null hypothesis probability =   1.065919e-01
     
    Photon flux (15-150 keV)    in 768 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    

    S(25-50 keV) vs. S(50-100 keV) plot

    S(25-50 keV)  = 1.79262e-08
    S(50-100 keV) = 2.70376e-09
    

    T90 vs. Hardness ratio plot

    T90                                   = 768 sec.
    Hardness ratio (energy fluence ratio) = 0.150827
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = -0.609833
    Count Ratio (50-100 keV) / (15-25 keV) = -0.252312
    

    Mask shadow pattern

    IMX = 1.716788778749617E-02, IMY = -1.543861788549412E-01
    

    TIME vs. PHA plot around the trigger time

    TIME vs. DetID plot around the trigger time

    100 us light curve (15-350 keV)

    Spacecraft aspect plot

    Bright source in the pre-burst/pre-slew/post-slew images

    Pre-burst image of 15-350 keV band

    Time interval of the image:
     
    

    Pre-slew background subtracted image of 15-350 keV band

    Time interval of the image:
    0.000000 768.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    186.9901 -62.8711    0.0  39.3  -81.1  -5.1132  -1.3   11.0	GX 301-2                      
    244.9781 -15.6362    0.4  30.4   46.3  36.5015  32.6    0.3	Sco X-1                       
    256.0115 -37.8226    0.9   8.5   84.3   8.9064  13.4    1.8	4U 1700-377                   
    256.4842 -36.4836    4.1   9.9   83.4   1.9257   2.8    4.3	GX 349+2                      
    263.2171 -24.6667    0.0  23.0   87.1   2.0055   2.0   12.3	GX 1+4                        
    264.7679 -44.3866  304.7   9.6  146.3   0.0299   0.0    3.9	4U 1735-44                    
    270.2636 -25.1052   14.2  25.5  101.5   0.9590   0.8    1.9	GX 5-1                        
    270.2892 -25.7894   29.4  24.9  102.4   0.4490   0.4    2.9	GRS 1758-258                  
    274.0073 -14.0371   28.0  36.9   97.0   0.9206   0.4    0.1	GX 17+2                       
    275.7404 -30.4285   16.8  24.3  118.4  -0.6732  -0.7   10.2	H1820-303                     
    285.0990 -25.0158   10.0  34.0  122.8  -1.8973  -1.2    6.7	HT1900.1-2455                 
    262.9674 -33.8121    3.3  14.7   99.7   2.6959   3.5    1.7	GX 354-0                      
    255.3275 -41.7120    2.3   4.8   96.8   3.7995   5.0 ------	UNKNOWN                       
    333.0325 -46.0895    3.9  54.2 -179.3   8.7909   2.9 ------	UNKNOWN                       
    353.3397 -55.5473    3.8  59.6 -161.5  22.7856   3.0 ------	UNKNOWN                       
    187.8186 -18.1471    4.5  58.7  -25.9  12.2113   2.6 ------	UNKNOWN                       
    184.3433 -35.0264    4.0  50.7  -44.5  15.3854   2.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    933.500600 938.440000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4876  35.4947    6.5   7.2  -46.5   0.0454   1.8    9.3	Her X-1                       
    268.3757  -1.5980    7.4  36.2   64.7  -0.1060  -1.5    8.7	SW J1753.5-0127               
    288.7872  10.8510    6.6  41.2   27.0   0.0899   1.8    5.7	GRS 1915+105                  
    299.7976  35.2485    0.0  42.4  -13.0  -0.0287  -0.7   10.5	Cyg X-1                       
    308.0481  40.8522    5.4  48.2  -21.9   0.1234   2.1    6.7	Cyg X-3                       
    204.8394  -1.4774    2.3  52.7  159.9   0.7207   5.1 ------	UNKNOWN                       
    194.0015   9.6182    2.1  55.3  178.8   0.6122   5.4 ------	UNKNOWN                       
    252.6470  55.4766    2.1  25.8  -77.7   0.1799   5.6 ------	UNKNOWN                       
    
    Plot creation:
    Sat Jun  8 19:54:13 EDT 2013