batgrbproduct analysis for trigger=1035994

batgrbproduct Analysis for Trigger=1035994

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sun Mar  7 11:37:50 EST 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1035994/batgroup_hand_proc
======================================================================

  Trigger: 01035994      Segment: 000

  BAT Trigger Time: 636695663.86   [s; MET]
      Trigger Stop: 636695663.924   [s; MET]
               UTC: 2021-03-06T03:53:57.241940    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 129.964614535563   Dec: 60.1962629275143  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.16
     Image Trigger?:     NO
     Rate S/N Ratio:     75.3724087448451  [ if not an image trigger ]
     Image S/N Ratio:    14.16

  Flight Position:   [ source = BAT ]
    RA: 129.964614535563   Dec: 60.1962629275143  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 129.963670604573   Dec: 60.2031823553209  [deg; J2000]  
        { 08h 39m 51.3s , +60d 12' 11.5" }
         +/- 0.641679632664837 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.159352049516393 [arcmin] (formal 1-sigma fit error)
    SNR: 57.3294817858125
 
  Angular difference between Flight and Ground position is 0.416119 arcmin
 
  Partial Coding Fraction: 0.53125    [ including projection effects ]

  Duration
     T90: 9.12000000476837 +/- 0.314069974986848
        Measured from: 0.0759999752044678
                   to: 9.19599997997284     [s; relative to TRIGTIME]
     T50: 4.31200003623962 +/- 0.166373108105758
        Measured from: 3.41199994087219
                   to: 7.72399997711182     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 7.50399994850159     
                   to: 8.50399994850159     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.175999999046326     
                   to: 13.1640000343323     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.104704   4.070796   2.359570   0.354376
           0.052991   0.058518   0.047594   0.032120 [error]
 Peak      0.636306   0.960331   0.626900   0.069487
           0.020904   0.024787   0.020666   0.011236 [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 1.21e-06 1.74e-06 1.85e-06 3.66e-06 5.95e-06 8.47e-06   erg/cm2
              Error 4.94e-08 4.19e-08 5.19e-08 2.24e-07 1.31e-07 2.59e-07   erg/cm2
Peak flux Power-law 8.06e+00 7.01e+00 4.17e+00 3.74e+00 2.09e+01 2.30e+01   ph/cm2/s
              Error 4.48e-01 2.48e-01 1.72e-01 3.02e-01 7.34e-01 7.60e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.03e-06 1.82e-06 1.94e-06 1.58e-06 5.66e-06 6.37e-06   erg/cm2
              Error 6.30e-08 4.80e-08 5.89e-08 2.94e-07 1.48e-07 3.30e-07   erg/cm2
Peak flux Cutoff-PL 6.43e+00 7.64e+00 4.61e+00 1.50e+00 1.98e+01 2.02e+01   ph/cm2/s
              Error 5.45e-01 2.98e-01 2.10e-01 2.99e-01 7.62e-01 8.31e-01   ph/cm2/s
 
Fluence        Band 9.82e-07 1.84e-06 1.89e-06 2.43e-06 5.65e-06 7.16e-06   erg/cm2
              Error 7.16e-08 5.54e-08 6.88e-08 -------- 1.45e-07 --------   erg/cm2
Peak flux      Band 6.45e+00 7.63e+00 4.61e+00 1.53e+00 1.98e+01 2.02e+01   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    1.908    0.040    -      -           4.85e-02 1.07e-03  111.380 57
CPL   1.155    0.192      58.4    3.9      1.11e-01 2.33e-02   59.110 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.748    0.054    -      -           1.54e-01 5.21e-03  103.130 57
CPL   0.626    0.270      62.8    4.7      5.51e-01 1.69e-01   39.520 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: 8.128000 sec.
T50 in the 50-300 keV band: 4.544000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   13.340   -0.176   13.164
T90     9.120    0.076    9.196
T50     4.312    3.412    7.724
Peak    1.000    7.504    8.504

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  129.9637 +60.2032 0.0033   31.6 -124.3       9.6942    57.3  TRIG_01035994       
------------------------------------------
 
Foreground time interval of the image:
 -0.176   9.241 (delta_t =   9.417 [sec])
Background time interval of the image:
-239.860  -0.176 (delta_t = 239.684 [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   -0.176 sec. to   13.164 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.90808     ( -0.0400925   0.0402292 )
Norm@50keV  : 4.84715E-02    ( -0.00107089   0.00107037 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  111.38     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.22e-05 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 13.34 sec: 6.98014 ( -0.179037  0.179765 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.94521e-06 ( -1.30863e-07  1.30897e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.176 sec. to   13.164 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.15528     ( -0.196112   0.188069 )
Epeak [keV] : 58.3807      ( -3.50754 4.36061 )
Norm@50keV  : 0.110915    ( -0.0203401   0.0261815 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   59.11     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.63e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 13.34 sec: 6.56156 ( -0.1991  0.20054 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.65676e-06 ( -1.48154e-07  1.47954e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.176 sec. to   13.164 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.893077   ( -0.30574   0.535257 )
beta        : -2.37642    ( -0.390512   0.195724 )
Epeak [keV] : 52.7695      ( -7.54348 6.00203 )
Norm@50keV   : 0.155651    ( -0.048337   0.170145 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 13.34 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.64748e-06 ( -5.64738e-06  -1.45073e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.4980  (  )
R^2/D10^2   : 1.01571  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  372.09     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.45e-48 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.229e-07   2.274e-08
25- 50  1.874e-06   4.869e-08
50-150  2.205e-06   8.538e-08
15-150  4.602e-06   1.134e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 93.7484       (-6.60448      7.44854)
Norm        : 30.5254       (-1.11118     1.15897)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.38     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.55e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.064e-06   4.529e-08
25- 50  1.815e-06   4.802e-08
50-150  2.832e-06   4.309e-07
15-150  5.711e-06   5.069e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.60733        (-0.723785      0.751616)
R1^2/D10^2  : 5.64372        (-1.44251      2.21026)
kT2 [keV]   : 22.4442        (-2.03549      2.74191)
R2^2/D10^2  : 0.101126    (-0.0394669   0.0526736)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   70.23     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.09e-02 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.816e-07   6.503e-08
25- 50  1.878e-06   9.005e-08
50-150  2.778e-06   2.054e-07
15-150  5.538e-06   2.915e-07

Peak spectrum fit

Power-law model
Time interval is from    7.504 sec. to    8.504 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.74771     ( -0.0540567   0.0544539 )
Norm@50keV  : 0.154335    ( -0.00521022   0.00520349 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  103.13     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.78e-04 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 20.8512 ( -0.733056  0.734311 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.4243e-06 ( -4.92084e-08  4.92674e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    7.504 sec. to    8.504 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.625792     ( -0.27729   0.261736 )
Epeak [keV] : 62.7857      ( -4.11521 5.33666 )
Norm@50keV  : 0.551085    ( -0.138819   0.198943 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   39.52     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 9.53e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 19.7720 ( -0.7613  0.7637 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.35361e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    7.504 sec. to    8.504 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.625624   ( -0.22757   0.282866 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 62.7720      ( -3.77147 5.32836 )
Norm@50keV   : 0.551198    ( -0.138933   0.198986 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 1 sec: 19.7994 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.35524e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 14.0475  (  )
R^2/D10^2   : 2.93346  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  150.70     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.14e-10 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.222e-07   7.350e-09
25- 50  4.562e-07   1.845e-08
50-150  5.938e-07   3.570e-08
15-150  1.172e-06   4.400e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 115.088       (-12.1224      19.9013)
Norm        : 91.2631       (-4.46984     3.8298)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   58.78     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.10e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.248e-07   1.455e-08
25- 50  4.048e-07   2.185e-08
50-150  7.357e-07   1.693e-07
15-150  1.365e-06   1.880e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.07663        (-1.05436      1.15706)
R1^2/D10^2  : 18.3908        (-6.72153      12.8664)
kT2 [keV]   : 20.1107        (-1.84215      2.56968)
R2^2/D10^2  : 0.580379    (-0.244475   0.31435)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   39.66     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 9.41e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.948e-07   2.875e-08
25- 50  4.350e-07   3.910e-08
50-150  7.133e-07   7.635e-08
15-150  1.343e-06   1.200e-07
Plot creation:
Sun Mar  7 11:45:15 EST 2021