batgrbproduct analysis for trigger=1034721

batgrbproduct Analysis for Trigger=1034721

Analysis Summary

Notes:

1) No attempt has been made to eliminate the non-significant decimal places.
2) This batgrbproduct analysis is done using the HEASARC data.
3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Jul 29 23:58:28 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1034721
======================================================================

  Trigger: 01034721      Segment: 000

  BAT Trigger Time: 636007463.808   [s; MET]
      Trigger Stop: 636007464.832   [s; MET]
               UTC: 2021-02-26T04:43:57.235560    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 124.138231185969   Dec: 57.57733773921  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.81
     Image Trigger?:     NO
     Rate S/N Ratio:     22.6274169979695  [ if not an image trigger ]
     Image S/N Ratio:    11.81

  Flight Position:   [ source = BAT ]
    RA: 124.138231185969   Dec: 57.57733773921  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 124.157085434342   Dec: 57.5831657319961  [deg; J2000]  
        { 08h 16m 37.7s , +57d 34' 59.4" }
         +/- 1.50341596224325 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.860751680022609 [arcmin] (formal 1-sigma fit error)
    SNR: 16.9882309214439
 
  Angular difference between Flight and Ground position is 0.700072 arcmin
 
  Partial Coding Fraction: 0.4765625    [ including projection effects ]

  Duration
     T90: 20.8040000200272 +/- 1.67595820361737
        Measured from: -1.26800000667572
                   to: 19.5360000133514     [s; relative to TRIGTIME]
     T50: 11.5239999294281 +/- 4.35791703830864
        Measured from: 0.304000020027161
                   to: 11.8279999494553     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0240000486373901     
                   to: 1.02400004863739     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.92400002479553     
                   to: 20.9520000219345     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.429368   0.726543   0.553586   0.198532
           0.052333   0.055138   0.049764   0.044156 [error]
 Peak      0.076198   0.123201   0.099971   0.050579
           0.011557   0.013289   0.012763   0.010639 [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 1.57e-07 3.00e-07 4.39e-07 1.39e-06 1.24e-06 2.29e-06   erg/cm2
              Error 2.36e-08 2.78e-08 4.72e-08 3.19e-07 1.17e-07 3.53e-07   erg/cm2
Peak flux Power-law 8.10e-01 9.15e-01 7.40e-01 9.98e-01 2.83e+00 3.46e+00   ph/cm2/s
              Error 1.74e-01 1.19e-01 1.03e-01 2.93e-01 3.34e-01 4.16e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.41e-07 3.16e-07 4.60e-07 6.45e-07 1.20e-06 1.56e-06   erg/cm2
              Error 2.76e-08 3.36e-08 5.33e-08 5.09e-07 1.25e-07 5.15e-07   erg/cm2
Peak flux Cutoff-PL 8.11e-01 9.15e-01 7.40e-01 1.01e+00 2.83e+00 3.47e+00   ph/cm2/s
              Error 1.56e-01 1.26e-01 1.12e-01 4.39e-01 3.37e-01 5.33e-01   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    1.441    0.145    -      -           5.67e-03 4.91e-04   71.610 57
CPL   0.862    0.595     101.3  328.5      1.10e-02 8.13e-03   68.410 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.306    0.203    -      -           2.37e-02 2.73e-03   78.120 57
CPL   2.028    0.020      10.9    0.0      7.43e-03 0.00e+00   76.120 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: 5.440000 sec.
T50 in the 50-300 keV band: 3.072000 sec.

 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   22.876   -1.924   20.952
T90    20.804   -1.268   19.536
T50    11.524    0.304   11.828
Peak    1.000    0.024    1.024

Click here for the BAT GCN circular template

Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minute to calcaulte

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  124.1571    57.5832   0.0113    41.8961    -8.3363         1.6635942     16.988 TRIG_01034721                 
 
Foreground time interval of the image:
 -1.924  16.693 (delta_t =  18.617 [sec])
Background time interval of the image:
-239.808  -1.924 (delta_t = 237.884 [sec])

Lightcurves

Notes:

1) The mask-weighted light curves are using the flight position.
2) Multiple plots of different time binning/intervals are shown to cover all scenarios of short/long GRBs, rate/image triggers, and real/false positives.
3) For all the mask-weighted lightcurves, the y-axis units are counts/sec/det where a det is 0.4 x 0.4 = 0.16 sq cm.
4) The verticle lines correspond to following: green dotted lines are T50 interval, black dotted lines are T90 interval, blue solid line(s) is a spacecraft slew start time, and orange solid line(s) is a spacecraft slew end time.
5) Time of each bin is in the middle of the bin.

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

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

8 ms binning

From T100_start-3 s to T100_start+3 s

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

2 ms binning

From T100_start-1 s to T100_start+1 s

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

SN=5 or 10 sec. binning (whichever binning is satisfied first)

SN=5 or 10 sec. binning (T < 200 sec)

Quad-rate summed light curves (from T0-300s to T0+1000s)

Spectral Evolution

Spectra

Notes:

1) The fitting includes the systematic errors.
2) When the burst includes telescope slew time periods, the fitting uses an average response file made from multiple 5-s response files through out the slew time plus single time preiod for the non-slew times, and weighted by the total counts in the corresponding time period using addrmf. An average response file is needed becuase a spectral fit using the pre-slew DRM will introduce some errors in both a spectral shape and a normalization if the PHA file contains a lot of the slew/post-slew time interval.
3) For fits to more complicated models (e.g. a power-law over a cutoff power-law), the BAT team has decided to require a chi-square improvement of more than 6 for each extra dof.

Time averaged spectrum fit using the average DRM

Power-law model

Time interval is from   -1.924 sec. to   20.952 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.44065     ( -0.144909   0.14499 )
Norm@50keV  : 5.67314E-03    ( -0.000491298   0.000490672 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   71.61     using 59 bins.
 Reduced chi-squared = 1.25632
# Null hypothesis probability of 9.22e-02 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 22.88 sec: 0.697542 ( -0.062145  0.062281 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.24442e-06 ( -1.16322e-07  1.17171e-07 ) ergs/cm2

Cutoff power-law model

Time interval is from   -1.924 sec. to   20.952 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.862411     ( -0.63519   0.554909 )
Epeak [keV] : 101.319      ( -29.9122 627.034 )
Norm@50keV  : 1.09621E-02    ( -0.00503154   0.0112204 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   68.41     using 59 bins.
 Reduced chi-squared = 1.22161
# Null hypothesis probability of 1.23e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 22.88 sec: 0.681656 ( -0.063931  0.064046 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.20115e-06 ( -1.2551e-07  1.25135e-07 ) ergs/cm2

Band function

Time interval is from   -1.924 sec. to   20.952 sec.
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       :    (     )
beta        :     (     )
Epeak [keV] :       (   )
Norm@50keV   :     (     )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in  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]    : 15.7931  (-1.71401  1.96027)
R^2/D10^2   : 6.76609E-02  (-0.0227857   0.0337692)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   94.02     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.47e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.006e-08   1.422e-08
25- 50  3.331e-07   4.164e-08
50-150  5.779e-07   9.427e-08
15-150  9.911e-07   1.123e-07

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-42.9549      -200)
Norm        : 2.89379       (-0.248202     0.248202)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   70.98     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.01e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.649e-07   1.993e-08
25- 50  3.172e-07   6.678e-08
50-150  6.956e-07   2.612e-07
15-150  1.178e-06   3.442e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.20732        (-1.69804      1.95147)
R1^2/D10^2  : 0.421070        (-0.204697      0.461212)
kT2 [keV]   : 29.4476        (-6.78883      13.9392)
R2^2/D10^2  : 5.85496E-03    (-0.00419005   0.0093648)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   64.27     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.84e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.379e-07   5.824e-08
25- 50  3.311e-07   1.182e-07
50-150  7.565e-07   3.717e-07
15-150  1.225e-06   4.718e-07

Peak spectrum fit

Power-law model

Time interval is from    0.024 sec. to    1.024 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.30563     ( -0.202438   0.203283 )
Norm@50keV  : 2.37059E-02    ( -0.0027357   0.00272871 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   78.12     using 59 bins.
 Reduced chi-squared = 1.37053
# Null hypothesis probability of 3.31e-02 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 2.83116 ( -0.33319  0.33388 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.33965e-07 ( -3.00919e-08  3.02941e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from    0.024 sec. to    1.024 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.02836     ( -0.0357975   0.00389424 )
Epeak [keV] : 10.8513      (   )
Norm@50keV  : 7.43198E-03    (     )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   76.12     using 59 bins.
 Reduced chi-squared = 1.35929
# Null hypothesis probability of 3.81e-02 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 2.83208 ( -0.34126  0.3319 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.34062e-07 ( -3.13544e-08  3.02397e-08 ) ergs/cm2

Band function

Time interval is from    0.024 sec. to    1.024 sec.
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       :    (     )
beta        :     (     )
Epeak [keV] :       (   )
Norm@50keV   :     (     )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in  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]    : 17.2804  (-2.72048  3.44919)
R^2/D10^2   : 0.204320  (-0.0927197   0.160076)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   98.63     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.18e-04 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.237e-08   2.715e-09
25- 50  5.544e-08   1.068e-08
50-150  1.188e-07   2.721e-08
15-150  1.866e-07   3.290e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-41.537      -200)
Norm        : 11.6917       (-1.35688     1.35688)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   82.91     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.41e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.911e-08   1.628e-08
25- 50  5.601e-08   3.059e-08
50-150  1.228e-07   6.780e-08
15-150  2.080e-07   1.148e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.19608        (-3.32138      3.04936)
R1^2/D10^2  : 1.16204        (-0.679598      3.65126)
kT2 [keV]   : 40.7453        (-15.2504      90.1695)
R2^2/D10^2  : 9.94898E-03    (-0.00870925   0.0373099)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   79.07     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.84e-02 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.144e-08   1.131e-08
25- 50  5.692e-08   2.805e-08
50-150  1.583e-07   8.321e-08
15-150  2.367e-07   1.152e-07

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: 1.40960     ( -0.155827   0.155399 )
Norm@50keV  : 5.88422E-03    ( -0.000544118   0.000543682 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   62.52     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.87e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 18.62 sec: 0.718164 ( -0.0687386  0.068906 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.05663e-06 ( -1.05665e-07  1.06263e-07 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.859061     ( -0.687381   0.592388 )
Epeak [keV] : 107.298      ( -34.9077 -107.298 )
Norm@50keV  : 1.09883E-02    ( -0.0052425   0.0125068 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.02     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.32e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 18.62 sec: 0.702619 ( -0.070687  0.070832 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.02212e-06 ( -1.14263e-07  1.1372e-07 ) ergs/cm2

Band function

 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       :    (     )
beta        :     (     )
Epeak [keV] :       (   )
Norm@50keV   :     (     )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in  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)  = 3.00e-07
S(50-100 keV) = 4.39e-07

T90 vs. Hardness ratio plot

T90                                   = 20.8040000200272 sec.
Hardness ratio (energy fluence ratio) = 1.46333

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 1.69212
Count Ratio (50-100 keV) / (15-25 keV) = 1.2893

Mask shadow pattern

IMX = 8.876470664433727E-01, IMY = 1.300681625568585E-01

TIME vs. PHA plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

TIME vs. DetID plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

100 us light curve (15-350 keV)

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

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:
-239.808000 -1.924000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 83.6448  22.0262    0.5  30.0  -89.8  10.5810  21.2    1.0	Crab                          
133.3891 -28.8570    2.9  48.6  142.4   5.9263   4.0 ------	UNKNOWN                       
158.6531  32.0132    3.2  42.6   44.3   2.8716   3.6 ------	UNKNOWN                       
122.7691 -21.4930    2.9  38.6  152.3   2.2279   4.0 ------	UNKNOWN                       
157.3589  61.0460    3.5  54.0    8.1   4.1475   3.3 ------	UNKNOWN                       
118.0108   8.4583    3.6   8.4  142.3   0.9348   3.2 ------	UNKNOWN                       
 91.1689 -13.5527    2.7  37.9 -156.3   1.9590   4.2 ------	UNKNOWN                       
 93.4420  68.6592    3.1  54.1  -25.2   4.4677   3.7 ------	UNKNOWN

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

Time interval of the image:
-1.924000 16.692600
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 83.6797  21.8799    4.7  29.9  -90.1  -0.2294  -2.5    8.5	Crab                          
126.0103 -19.6796    2.2  37.6  146.8   0.5754   5.2 ------	UNKNOWN                       
131.0507  42.2278    2.9  29.4    9.1   0.2786   4.0 ------	UNKNOWN                       
124.1572  57.5832    0.7  41.9   -8.3   1.6648  17.0 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
81.692630 962.282000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 83.6276  21.9998    0.5  46.0 -169.4  33.0587  22.0    0.9	Crab                          
158.3838  37.9569    3.0  29.7   70.2   5.3876   3.8 ------	UNKNOWN                       
221.3842  48.5541    4.2  54.0    8.1   9.7055   2.8 ------	UNKNOWN                       
171.0412  58.9687    3.2  24.2   20.5   3.1511   3.7 ------	UNKNOWN                       
202.0549  60.3771    3.0  37.9    5.7   4.3563   3.9 ------	UNKNOWN                       
240.6515  52.3381    5.8  58.5   -6.3  13.7012   2.0 ------	UNKNOWN                       
241.8116  62.9519    3.7  50.3  -14.6   6.7704   3.1 ------	UNKNOWN                       
 68.2871  19.1633    4.1  55.8 -155.3   9.7763   2.9 ------	UNKNOWN                       
 55.2730  37.2277    2.8  48.3 -129.9  18.4054   4.1 ------	UNKNOWN

Plot creation:
Sat Jul 30 07:13:19 EDT 2022