batgrbproduct analysis for trigger=1014037

batgrbproduct Analysis for Trigger=1014037

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): Sat Jul 30 00:40:36 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1014037
======================================================================

  Trigger: 01014037      Segment: 000

  BAT Trigger Time: 630284820.48   [s; MET]
      Trigger Stop: 630284820.608   [s; MET]
               UTC: 2020-12-21T23:06:34.286000    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 171.049596287146   Dec: 42.1443187509267  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    13.97
     Image Trigger?:     NO
     Rate S/N Ratio:     78.1216999303011  [ if not an image trigger ]
     Image S/N Ratio:    13.97

  Flight Position:   [ source = BAT ]
    RA: 171.049596287146   Dec: 42.1443187509267  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 171.054595337899   Dec: 42.1523198157143  [deg; J2000]  
        { 11h 24m 13.1s , +42d 09' 08.4" }
         +/- 1.3120459130418 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.49536282446498 [arcmin] (formal 1-sigma fit error)
    SNR: 20.6357264291279
 
  Angular difference between Flight and Ground position is 0.529070 arcmin
 
  Partial Coding Fraction: 0.234375    [ including projection effects ]

  Duration
     T90: 0.164000034332275 +/- 0.0399999141693186
        Measured from: -0.0240000486373901
                   to: 0.139999985694885     [s; relative to TRIGTIME]
     T50: 0.0679999589920044 +/- 0.0144221847352656
        Measured from: 0.0199999809265137
                   to: 0.0879999399185181     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.442000031471252     
                   to: 0.557999968528748     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0559999942779541     
                   to: 0.167999982833862     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.176745   0.233551   0.192331   0.048637
           0.015869   0.018045   0.016815   0.010025 [error]
 Peak      0.188527   0.248707   0.190021   0.041997
           0.019612   0.022092   0.020519   0.014681 [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 5.56e-08 9.74e-08 1.31e-07 3.61e-07 3.81e-07 6.43e-07   erg/cm2
              Error 7.41e-09 8.42e-09 1.47e-08 8.27e-08 3.59e-08 9.58e-08   erg/cm2
Peak flux Power-law 1.88e+00 1.85e+00 1.27e+00 1.37e+00 5.55e+00 6.37e+00   ph/cm2/s
              Error 2.96e-01 1.87e-01 1.58e-01 3.37e-01 5.43e-01 6.25e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.00e-08 1.04e-07 1.39e-07 1.70e-07 3.72e-07 4.64e-07   erg/cm2
              Error 8.80e-09 1.05e-08 1.73e-08 1.18e-07 3.70e-08 1.20e-07   erg/cm2
Peak flux Cutoff-PL 1.71e+00 1.96e+00 1.34e+00 7.93e-01 5.47e+00 5.80e+00   ph/cm2/s
              Error 3.52e-01 2.26e-01 1.86e-01 5.35e-01 5.52e-01 7.60e-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    1.576    0.138    -      -           1.81e-01 1.59e-02   63.160 57
CPL   0.968    0.566      88.3  113.0      3.63e-01 2.52e-01   59.290 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.542    0.159    -      -           4.39e-02 4.40e-03   68.670 57
CPL   0.997    0.652      94.0  -32.7      8.27e-02 7.00e-02   66.360 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: 0.192000 sec.
T50 in the 50-300 keV band: 0.064000 sec.

 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.224   -0.056    0.168
T90     0.164   -0.024    0.140
T50     0.068    0.020    0.088
Peak    1.000   -0.442    0.558

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
  171.0546    42.1523   0.0094    35.6533    70.3758         0.6915236     20.636 TRIG_01014037                 
 
Foreground time interval of the image:
 -0.056   0.168 (delta_t =   0.224 [sec])
Background time interval of the image:
-42.379  -0.056 (delta_t =  42.323 [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 0.128000

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 0.128000

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 0.128000

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   -0.056 sec. to    0.168 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.57587     ( -0.135901   0.139297 )
Norm@50keV  : 0.180785    ( -0.0159344   0.0158349 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   63.16     using 59 bins.
 Reduced chi-squared = 1.10807
# Null hypothesis probability of 2.68e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 23.0623 ( -1.975  1.9762 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.79933e-07 ( -3.57829e-08  3.60044e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from   -0.056 sec. to    0.168 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.968236     ( -0.599512   0.532398 )
Epeak [keV] : 88.3117      ( -22.2242 203.851 )
Norm@50keV  : 0.362763    ( -0.162408   0.341338 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   59.29     using 59 bins.
 Reduced chi-squared = 1.05875
# Null hypothesis probability of 3.57e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 22.6968 ( -2.0041  2.004 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.72176e-07 ( -3.70346e-08  3.70545e-08 ) ergs/cm2

Band function

Time interval is from   -0.056 sec. to    0.168 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]    : 15.3639  (-1.56261  1.71207)
R^2/D10^2   : 2.47951  (-0.767366   1.12251)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   89.22     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.09e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.733e-08   4.580e-09
25- 50  1.110e-07   1.248e-08
50-150  1.802e-07   2.946e-08
15-150  3.185e-07   3.461e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 188.374       (-62.9467      -190.615)
Norm        : 94.8618       (-8.1796     8.83952)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.15     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.62e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.298e-08   1.114e-08
25- 50  1.018e-07   3.284e-08
50-150  2.225e-07   1.039e-07
15-150  3.773e-07   1.584e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.33434        (-1.39397      1.98348)
R1^2/D10^2  : 58.2808        (-39.9418      149.723)
kT2 [keV]   : 21.2464        (-3.07672      4.53366)
R2^2/D10^2  : 0.663546    (-0.355807   0.549029)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   57.24     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.92e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.346e-08   2.434e-08
25- 50  9.649e-08   2.412e-08
50-150  2.216e-07   5.587e-08
15-150  3.716e-07   8.243e-08

Peak spectrum fit

Power-law model

Time interval is from   -0.442 sec. to    0.558 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.54237     ( -0.157346   0.160795 )
Norm@50keV  : 4.39432E-02    ( -0.00441488   0.00438549 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   68.67     using 59 bins.
 Reduced chi-squared = 1.20474
# Null hypothesis probability of 1.38e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 5.55091 ( -0.54294  0.54332 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.142e-07 ( -4.48739e-08  4.51461e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from   -0.442 sec. to    0.558 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.997324     ( -0.704117   0.599984 )
Epeak [keV] : 93.9886      ( -28.6382 -93.9886 )
Norm@50keV  : 8.27339E-02    ( -0.0403913   0.0996245 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.36     using 59 bins.
 Reduced chi-squared = 1.185
# Null hypothesis probability of 1.62e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 5.46770 ( -0.55261  0.55205 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.04101e-07 ( -4.68611e-08  4.68922e-08 ) ergs/cm2

Band function

Time interval is from   -0.442 sec. to    0.558 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]    : 15.1229  (-1.74218  1.96808)
R^2/D10^2   : 0.629669  (-0.220184   0.336403)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   88.68     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.57e-03 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.011e-08   5.545e-09
25- 50  1.205e-07   1.658e-08
50-150  1.883e-07   3.715e-08
15-150  3.389e-07   4.145e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-70.5873      -199.363)
Norm        : 22.8012       (-2.18676     2.18938)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.87     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.74e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.678e-08   2.025e-08
25- 50  1.092e-07   2.944e-08
50-150  2.395e-07   1.266e-07
15-150  4.055e-07   1.479e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.61340        (-1.97162      3.18154)
R1^2/D10^2  : 11.2510        (-8.64728      55.9318)
kT2 [keV]   : 21.5458        (-4.07582      8.76421)
R2^2/D10^2  : 0.150693    (-0.111495   0.188387)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.67     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.35e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.560e-08   2.623e-08
25- 50  1.048e-07   3.416e-08
50-150  2.391e-07   8.585e-08
15-150  3.995e-07   1.283e-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: 1.57587     ( -0.135901   0.139297 )
Norm@50keV  : 0.180785    ( -0.0159344   0.0158349 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   63.16     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.68e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 23.0615 ( -1.97482  1.97617 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.79882e-07 ( -3.58382e-08  3.60125e-08 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.968231     ( -0.59951   0.5324 )
Epeak [keV] : 88.3110      ( -22.224 203.853 )
Norm@50keV  : 0.362766    ( -0.16241   0.341337 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   59.29     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.57e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 0.224 sec: 22.6942 ( -2.0037  2.0035 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.72313e-07 ( 0  0 ) 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)  = 9.74e-08
S(50-100 keV) = 1.31e-07

T90 vs. Hardness ratio plot

T90                                   = 0.164000034332275 sec.
Hardness ratio (energy fluence ratio) = 1.34497

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 1.3214
Count Ratio (50-100 keV) / (15-25 keV) = 1.08818

Mask shadow pattern

IMX = 2.409176770347630E-01, IMY = -6.756719300417512E-01

TIME vs. PHA plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 0.128000

TIME vs. DetID plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 0.128000

100 us light curve (15-350 keV)

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 0.128000

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:
-42.379340 -0.056000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.4054  35.1346    0.0  27.6 -121.4  -0.3911  -3.6   12.7	Her X-1                       
193.9145   8.4015    2.3  41.3    5.5   0.6287   4.9 ------	UNKNOWN

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

Time interval of the image:
-0.056000 0.168000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.2312  35.3907    0.0  27.3 -121.8  -0.0181  -1.6   11.4	Her X-1                       
171.0546  42.1523    0.6  35.7   70.4   0.6915  20.6 ------	UNKNOWN                       
214.0492  17.6409    3.0  25.6  -22.5   0.0434   3.9 ------	UNKNOWN                       
238.0174   5.6191    2.7  40.4  -64.1   0.0923   4.3 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
71.620600 753.220600
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
239.2963  47.1694    3.9  47.2 -132.5   6.3294   3.0 ------	UNKNOWN                       
242.2564  46.8609    3.0  49.2 -133.1  10.3888   3.9 ------	UNKNOWN

Plot creation:
Sat Jul 30 07:22:40 EDT 2022