batgrbproduct analysis for trigger=1070157

batgrbproduct Analysis for Trigger=1070157

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): Mon Oct 24 00:36:20 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1070157
======================================================================

  Trigger: 01070157      Segment: 000

  BAT Trigger Time: 651471029.248   [s; MET]
      Trigger Stop: 651471033.344   [s; MET]
               UTC: 2021-08-24T04:10:01.645220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 232.132177220809   Dec: 11.1352220237674  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.96
     Image Trigger?:     NO
     Rate S/N Ratio:     14.0356688476182  [ if not an image trigger ]
     Image S/N Ratio:    11.96

  Flight Position:   [ source = BAT ]
    RA: 232.132177220809   Dec: 11.1352220237674  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 232.11208509043   Dec: 11.1697401317395  [deg; J2000]  
        { 15h 28m 26.9s , +11d 10' 11.1" }
         +/- 1.24663814299732 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.479043336749218 [arcmin] (formal 1-sigma fit error)
    SNR: 22.1996621271105
 
  Angular difference between Flight and Ground position is 2.385021 arcmin
 
  Partial Coding Fraction: 0.6015625    [ including projection effects ]

  Duration
     T90: 77.6319998502731 +/- 16.6819471971961
        Measured from: -6.99199998378754
                   to: 70.6399998664856     [s; relative to TRIGTIME]
     T50: 25.9199998378754 +/- 9.66463573495682
        Measured from: 3.05599999427795
                   to: 28.9759998321533     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.924000024795532     
                   to: 1.92400002479553     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.8799999952316     
                   to: 100.016000032425     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.921986   1.175692   0.852342   0.280992
           0.090984   0.094056   0.083501   0.072992 [error]
 Peak      0.036666   0.050711   0.058430   0.023236
           0.008466   0.009500   0.008343   0.007701 [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 2.60e-07 4.82e-07 6.90e-07 2.09e-06 1.96e-06 3.52e-06   erg/cm2
              Error 3.79e-08 4.36e-08 8.11e-08 5.21e-07 1.96e-07 5.87e-07   erg/cm2
Peak flux Power-law 2.78e-01 3.72e-01 3.65e-01 6.44e-01 1.23e+00 1.66e+00   ph/cm2/s
              Error 1.04e-01 8.12e-02 6.74e-02 2.81e-01 2.12e-01 3.08e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.48e-07 5.01e-07 6.98e-07 1.22e-06 1.91e-06 2.66e-06   erg/cm2
              Error 4.29e-08 5.62e-08 8.61e-08 8.74e-07 2.26e-07 9.23e-07   erg/cm2
Peak flux Cutoff-PL 2.79e-01 3.72e-01 3.66e-01 6.40e-01 1.23e+00 1.74e+00   ph/cm2/s
              Error -------- 8.13e-02 -------- -------- 2.12e-01 3.38e-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    1.483    0.152    -      -           1.83e-03 1.65e-04   46.970 57
CPL   1.158    0.540     123.1  -34.0      2.72e-03 2.21e-03   46.110 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.026    0.328    -      -           1.06e-02 1.79e-03   52.670 57
CPL   1.032    0.331    9999.4    0.0      1.07e-02 5.87e-03   52.690 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: 35.136000 sec.
T50 in the 50-300 keV band: 15.168000 sec.

 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  112.896  -12.880  100.016
T90    77.632   -6.992   70.640
T50    25.920    3.056   28.976
Peak    1.000    0.924    1.924

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
  232.1121    11.1697   0.0087    22.5397    81.1883         2.7260442     22.200 TRIG_01070157                 
 
Foreground time interval of the image:
-12.880  32.653 (delta_t =  45.533 [sec])
Background time interval of the image:
-239.248 -12.880 (delta_t = 226.368 [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 4.096000

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 4.096000

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 4.096000

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  -12.880 sec. to  100.016 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.48252     ( -0.151333   0.151939 )
Norm@50keV  : 1.82886E-03    ( -0.000165379   0.000164466 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.97     using 59 bins.
 Reduced chi-squared = 0.824035
# Null hypothesis probability of 8.26e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 112.9 sec: 0.227263 ( -0.020063  0.02008 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.96473e-06 ( -1.95258e-07  1.97609e-07 ) ergs/cm2

Cutoff power-law model

Time interval is from  -12.880 sec. to  100.016 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.15800     ( -0.676487   0.404282 )
Epeak [keV] : 123.105      ( -55.1353 -123.149 )
Norm@50keV  : 2.71842E-03    ( -0.00101955   0.00339179 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.11     using 59 bins.
 Reduced chi-squared = 0.823393
# Null hypothesis probability of 8.24e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 112.9 sec: 0.224256 ( -0.020904  0.020809 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.90355e-06 ( -2.26972e-07  2.25686e-07 ) ergs/cm2

Band function

Time interval is from  -12.880 sec. to  100.016 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]    : 14.0039  (-1.5092  1.74128)
R^2/D10^2   : 3.27095E-02  (-0.0111005   0.0163709)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   72.19     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.48e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.530e-07   2.727e-08
25- 50  5.691e-07   7.101e-08
50-150  7.350e-07   1.323e-07
15-150  1.457e-06   1.885e-07

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-58.8296      -200)
Norm        : 0.931579       (-0.080921     0.080921)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.44     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.40e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.619e-07   5.984e-08
25- 50  5.039e-07   1.555e-07
50-150  1.105e-06   4.999e-07
15-150  1.871e-06   8.606e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.29219        (-2.47673      2.82921)
R1^2/D10^2  : 0.147581        (-0.0840349      0.286162)
kT2 [keV]   : 33.5153        (-13.1225      -33.8987)
R2^2/D10^2  : 1.17852E-03    (-0.00103852   0.00542754)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   45.23     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.24e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.343e-07   7.608e-08
25- 50  5.357e-07   1.703e-07
50-150  1.174e-06   5.918e-07
15-150  1.944e-06   7.936e-07

Peak spectrum fit

Power-law model

Time interval is from    0.924 sec. to    1.924 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.02566     ( -0.33856   0.318031 )
Norm@50keV  : 1.06391E-02    ( -0.00179552   0.00178066 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   52.67     using 59 bins.
 Reduced chi-squared = 0.924035
# Null hypothesis probability of 6.38e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.22670 ( -0.21148  0.21219 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.1403e-07 ( -2.08742e-08  2.10746e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from    0.924 sec. to    1.924 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.03203     ( -0.352536   0.309207 )
Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
Norm@50keV  : 1.07101E-02    ( -0.00177265   0.00997529 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   52.69     using 59 bins.
 Reduced chi-squared = 0.940893
# Null hypothesis probability of 6.01e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.22646 ( -0.21156  0.21208 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.14525e-07 ( 0  0 ) ergs/cm2

Band function

Time interval is from    0.924 sec. to    1.924 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]    : 24.4803  (-6.34  10.0075)
R^2/D10^2   : 2.99647E-02  (-0.0188242   0.0463528)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   64.33     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.35e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.154e-09   1.255e-09
25- 50  1.770e-08   6.483e-09
50-150  7.887e-08   3.094e-08
15-150  9.973e-08   3.709e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-50.2826      -200)
Norm        : 5.03477       (-0.869293     0.869293)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   61.06     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.32e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.254e-08   7.360e-09
25- 50  2.412e-08   1.384e-08
50-150  5.289e-08   3.002e-08
15-150  8.954e-08   5.070e-08

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.20911        (-2.92728      5.01614)
R1^2/D10^2  : 1.69657        (-1.46098      6.28055)
kT2 [keV]   : 40.0453        (-14.755      -40.2993)
R2^2/D10^2  : 6.63060E-03    (-0.0061895   0.0180149)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   52.01     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.90e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.048e-08   6.180e-09
25- 50  1.914e-08   1.023e-08
50-150  9.057e-08   5.142e-08
15-150  1.202e-07   6.430e-08

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: 1.20238     ( -0.113825   0.11219 )
Norm@50keV  : 3.76566E-03    ( -0.000248726   0.000248718 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   64.28     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.37e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 45.53 sec: 0.442161 ( -0.0301658  0.0302084 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.73827e-06 ( -1.26016e-07  1.26639e-07 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.688326     ( -0.512059   0.452432 )
Epeak [keV] : 132.237      ( -42.3792 467.082 )
Norm@50keV  : 6.73755E-03    ( -0.00264725   0.00510048 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.46     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.18e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 45.53 sec: 0.433027 ( -0.031289  0.031267 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.67223e-06 ( -1.374e-07  1.40902e-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)  = 4.82e-07
S(50-100 keV) = 6.90e-07

T90 vs. Hardness ratio plot

T90                                   = 77.6319998502731 sec.
Hardness ratio (energy fluence ratio) = 1.43154

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 1.27517
Count Ratio (50-100 keV) / (15-25 keV) = 0.924463

Mask shadow pattern

IMX = 6.357669069512054E-02, IMY = -4.101261862489640E-01

TIME vs. PHA plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

TIME vs. DetID plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

100 us light curve (15-350 keV)

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

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:
-239.248000 -12.880000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.4338  35.2019   10.5  47.9   46.6  -1.1790  -1.1    8.5	Her X-1                       
214.2745 -41.8131    2.9  52.5  170.4   2.9341   3.9 ------	UNKNOWN                       
207.7517 -36.7888    2.8  47.3  176.7   2.4347   4.1 ------	UNKNOWN                       
187.0102 -40.8221    2.5  55.2 -164.5   3.4845   4.6 ------	UNKNOWN                       
168.8244 -10.6683    2.5  45.3 -121.4   4.6593   4.5 ------	UNKNOWN

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

Time interval of the image:
-12.880000 32.652600
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.3326  35.4610   69.8  47.9   46.3   0.0742   0.2    9.4	Her X-1                       
232.1121  11.1698    0.5  22.5   81.2   2.7260  22.2 ------	UNKNOWN                       
230.1933  28.4142    1.9  26.7   39.9   0.7183   6.0 ------	UNKNOWN                       
229.4525  62.7041    2.8  54.3    6.5   1.3651   4.1 ------	UNKNOWN                       
180.9339   2.2447    2.3  29.2 -109.2   0.6677   4.9 ------	UNKNOWN                       
168.8473 -11.5161    2.0  45.7 -122.5   2.3465   6.0 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
181.252600 193.652610
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
299.6717  35.1715    2.5  48.6  144.8   0.8624   4.6    4.4	Cyg X-1                       
308.0879  40.9613  633.6  40.1  141.5   0.0020   0.0    1.1	Cyg X-3                       
325.9914  38.4240    4.9  34.9  120.1  -0.2079  -2.4   10.5	Cyg X-2                       
 46.2453  17.4499    2.7  54.0    8.7   0.6831   4.2 ------	UNKNOWN                       
250.6698  50.2747    2.4  55.0 -166.6   0.6855   4.8 ------	UNKNOWN

Plot creation:
Mon Oct 24 05:21:25 EDT 2022