batgrbproduct analysis for trigger=1192251

batgrbproduct Analysis for Trigger=1192251

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sun Sep 17 01:44:10 EDT 2023
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1192251/GCN5_download_cron
======================================================================

  Trigger: 01192251      Segment: 000

  BAT Trigger Time: 716530368   [s; MET]
      Trigger Stop: 716530432   [s; MET]
               UTC: 2023-09-16T04:12:15.982780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 261.77417118717   Dec: -17.0322347768231  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    21.96
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    21.96

  Flight Position:   [ source = BAT ]
    RA: 261.77417118717   Dec: -17.0322347768231  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 261.780115302483   Dec: -17.0323787082253  [deg; J2000]  
        { 17h 27m 07.2s , -17d 01' 56.6" }
         +/- 0.987986649103763 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.251928032795693 [arcmin] (formal 1-sigma fit error)
    SNR: 30.9468780107376
 
  Angular difference between Flight and Ground position is 0.341114 arcmin
 
  Partial Coding Fraction: 0.6796875    [ including projection effects ]

  Duration
     T90: 7.19599997997284 +/- 7.72007696430923
        Measured from: 92.6960000991821
                   to: 99.892000079155     [s; relative to TRIGTIME]
     T50: 5.26399993896484 +/- 3.14233855948967
        Measured from: 93.4440001249313
                   to: 98.7080000638962     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 95.7120000123978     
                   to: 96.7120000123978     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 77.6799999475479     
                   to: 100.368000030518     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.407372   0.324972   0.084004  -0.016411
           0.028487   0.024836   0.019580   0.016692 [error]
 Peak      0.074828   0.053108   0.015342  -0.005307
           0.009970   0.008477   0.006811   0.005496 [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 1.28e-06 1.01e-06 5.44e-07 4.25e-07 3.03e-06 3.26e-06   erg/cm2
              Error 8.42e-08 4.60e-08 5.29e-08 7.99e-08 1.34e-07 1.60e-07   erg/cm2
Peak flux Power-law 6.62e-01 2.96e-01 7.92e-02 2.63e-02 1.05e+00 1.06e+00   ph/cm2/s
              Error 4.48e-02 1.31e-02 7.42e-03 4.64e-03 5.12e-02 5.06e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.18e-06 1.07e-06 4.72e-07 1.08e-07 2.81e-06 2.84e-06   erg/cm2
              Error 1.00e-07 5.81e-08 7.30e-08 9.17e-08 1.73e-07 2.04e-07   erg/cm2
Peak flux Cutoff-PL 6.09e-01 3.13e-01 7.06e-02 8.26e-03 9.99e-01 1.00e+00   ph/cm2/s
              Error 5.42e-02 1.65e-02 9.89e-03 -------- 5.93e-02 6.02e-02   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    0.000    0.000    -      -           0.00e+00 0.00e+00    0.000  0
CPL   0.000    0.000       0.0    0.0      0.00e+00 0.00e+00    0.000  0
 
The chi2 of BB fit is 107.44 which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.000    0.000    -      -           0.00e+00 0.00e+00    0.000  0
CPL   0.000    0.000       0.0    0.0      0.00e+00 0.00e+00    0.000  0
 
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   22.688   77.680  100.368
T90     7.196   92.696   99.892
T50     5.264   93.444   98.708
Peak    1.000   95.712   96.712
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minutes to calcaulte

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      261.7801 -17.0324 0.0062   32.1    3.0       6.7522    30.9  TRIG_01192251       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000  64.000 (delta_t =  64.000 [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
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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 64.000000
    

    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 64.000000
    

    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
    Multiple GTIs in the spectrum
    tstart tstop
    77.680000 77.790000
    92.000000 100.368000
    Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Cutoff power-law model
    Multiple GTIs in the spectrum
    tstart tstop
    77.680000 77.790000
    92.000000 100.368000
    Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Band function
    Multiple GTIs in the spectrum
    tstart tstop
    77.680000 77.790000
    92.000000 100.368000
    Usage: bat_spec_fit_band_sys.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Single BB
    Usage: bat_spec_fit_bb_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    
    Thermal bremsstrahlung (OTTB)
    Usage: bat_spec_fit_brems_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    
    Double BB
    Usage: bat_spec_fit_2bb_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    

    Peak spectrum fit

    Power-law model
    Time interval is from   95.712 sec. to   96.712 sec.
    Usage: bat_spec_fit_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Cutoff power-law model
    Time interval is from   95.712 sec. to   96.712 sec.
    Usage: bat_spec_fit_cutoff_sys_xspec12.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Band function
    Time interval is from   95.712 sec. to   96.712 sec.
    Usage: bat_spec_fit_band_sys.sh (pha file) (response file) (script folder) (folder of taka's xspec lmodel)
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    script folder: /local/data/bat2/BATtools/battools/bin/GRB_spec_fit_v2
    folder of taka's xspec lmodel: /local/data/bat1/prebascript/xspec_taka_lmodel
    
    Single BB
    Usage: bat_spec_fit_bb_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    
    Thermal bremsstrahlung (OTTB)
    Usage: bat_spec_fit_brems_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    
    Double BB
    Usage: bat_spec_fit_2bb_sys.sh (pha file) (response file)           
           This script tries to add the systematic column to the PHA
           file before doing the fitting                            
    

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

    Power-law model
    
    
    Cutoff power-law model
    
    
    Band function
    
    
    
    

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

    S(25-50 keV)  = 1.01e-06
    S(50-100 keV) = 5.44e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 7.19599997997284 sec.
    Hardness ratio (energy fluence ratio) = 0.538614
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.797728
    Count Ratio (50-100 keV) / (15-25 keV) = 0.20621
    

    Mask shadow pattern

    IMX = 6.271668818938829E-01, IMY = -3.327289031420664E-02
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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:
    -12.799400 71.300600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.1784 -60.5198    7.8  47.1 -145.9   0.7682   1.5    7.4	Cen X-3                       
    186.4168 -62.6849   13.2  39.2 -145.1  -0.3079  -0.9    8.4	GX 301-2                      
    244.8356 -15.6455   27.6  34.3  -26.7   0.1159   0.4    8.3	Sco X-1                       
    256.1544 -37.9625    8.0  10.8   -6.0  -0.3221  -1.4   10.7	4U 1700-377                   
    256.5700 -36.3727    7.2  12.4   -4.7   0.3709   1.6    7.2	GX 349+2                      
    262.8640 -24.6436    8.6  24.8    7.7   0.3490   1.3   10.0	GX 1+4                        
    264.5333 -44.4575    3.1   7.4   49.9   0.7832   3.8    9.0	4U 1735-44                    
    268.3296  -1.5025    3.5  48.5    9.0  -1.5173  -3.3    3.8	SW J1753.5-0127               
    270.4458 -25.2296    0.0  26.2   23.5   0.2315   0.8   12.6	GX 5-1                        
    270.1586 -25.8885    0.0  25.5   23.5  -0.3227  -1.2   11.7	GRS 1758-258                  
    273.8731 -13.9990   12.0  37.9   21.6   0.3793   1.0    8.0	GX 17+2                       
    275.9300 -30.3575  116.0  24.0   39.3   0.0262   0.1    0.6	H1820-303                     
    284.9358 -24.8079   11.8  33.1   46.3  -0.3679  -1.0    8.7	HT1900.1-2455                 
    263.1117 -33.9670    6.5  15.8   15.2   0.3789   1.8   10.0	GX 354-0                      
    279.1225 -28.5140    3.0  27.1   42.2   1.0715   3.8 ------	UNKNOWN                       
     81.2126 -74.6478    2.4  56.5  173.8   5.2117   4.7 ------	UNKNOWN                       
    261.7810 -17.0339    0.4  32.1    3.0   8.8799  32.1 ------	UNKNOWN                       
    247.0340 -26.9932    3.2  22.8  -28.2   0.7779   3.6 ------	UNKNOWN                       
    244.7523 -16.5797    0.6  33.4  -27.2   4.6759  17.9 ------	UNKNOWN                       
    218.5472 -29.0357    2.4  34.5  -76.8   1.9653   4.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.000000 64.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.5675 -60.7074   29.1  46.9 -146.1  -0.1526  -0.4    9.0	Cen X-3                       
    186.3040 -62.7138    0.0  39.2 -145.2  -0.2946  -1.1   10.3	GX 301-2                      
    244.9166 -15.7506  102.2  34.2  -26.6  -0.0242  -0.1    7.6	Sco X-1                       
    256.1736 -37.8514    8.7  10.9   -6.0  -0.2369  -1.3    8.9	4U 1700-377                   
    256.6265 -36.3771    8.5  12.4   -4.5   0.2445   1.3    9.6	GX 349+2                      
    262.8634 -24.6544    6.8  24.8    7.8   0.3461   1.7    9.6	GX 1+4                        
    264.5326 -44.4785    2.8   7.4   50.0   0.6754   4.1    9.2	4U 1735-44                    
    268.3066  -1.5006    3.9  48.5    9.0  -1.1075  -3.0    4.7	SW J1753.5-0127               
    270.4341 -25.0573    8.8  26.4   23.3   0.2923   1.3    8.3	GX 5-1                        
    270.2994 -25.8639    7.6  25.6   23.7  -0.3270  -1.5    7.3	GRS 1758-258                  
    273.8719 -13.9893   22.7  37.9   21.6   0.1601   0.5    8.3	GX 17+2                       
    276.0206 -30.2228    4.5  24.1   39.3   0.5081   2.6   10.0	H1820-303                     
    284.8723 -24.9043   19.9  33.0   46.3  -0.1724  -0.6    9.0	HT1900.1-2455                 
    263.1152 -33.9600    4.5  15.8   15.2   0.4336   2.6    9.8	GX 354-0                      
    261.7801 -17.0324    0.4  32.1    3.0   6.7522  30.9 ------	UNKNOWN                       
    244.7595 -16.5785    0.6  33.4  -27.2   3.6383  17.8 ------	UNKNOWN                       
    249.2810  -0.6001    2.2  48.5  -16.5   2.0155   5.2 ------	UNKNOWN                       
    146.8368 -63.6838    3.5  54.6 -157.0   1.6562   3.3 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    142.800610 243.040500
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.8341 -15.5562   16.7  16.3  -90.3  -0.2167  -0.7    9.8	Sco X-1                       
    254.3909  35.3551    8.0  52.8  -10.6   1.0795   1.4    3.4	Her X-1                       
    256.0365 -37.9992    9.5  21.6 -170.6  -0.3364  -1.2    9.6	4U 1700-377                   
    256.4530 -36.3839   12.3  19.9 -170.3  -0.2614  -0.9    2.5	GX 349+2                      
    262.8951 -24.8912   12.5   7.9  169.7   0.2566   0.9   10.7	GX 1+4                        
    264.9212 -44.6009    0.0  27.7  172.2   0.2962   1.0   11.8	4U 1735-44                    
    268.2308  -1.2997   60.0  17.0   19.7  -0.0544  -0.2   12.3	SW J1753.5-0127               
    270.2746 -25.2277   24.4  11.4  134.5  -0.1320  -0.5    8.9	GX 5-1                        
    270.2636 -25.8098    5.6  11.8  136.5   0.5973   2.2    4.5	GRS 1758-258                  
    273.8529 -14.1766   18.1  12.0   75.0  -0.1980  -0.6   12.2	GX 17+2                       
    275.9244 -30.3679   50.5  18.6  135.5  -0.0701  -0.2    0.1	H1820-303                     
    284.8646 -24.8236   17.7  22.9  110.8   0.2395   0.7   11.0	HT1900.1-2455                 
    288.7736  10.9170    8.5  38.6   42.6   0.8201   1.3    2.2	GRS 1915+105                  
    262.8251 -33.6793    0.0  16.7  174.0  -0.5592  -2.2   12.4	GX 354-0                      
    261.7534 -17.0313    0.3   0.0 -118.6  12.2277  41.3 ------	UNKNOWN                       
    241.6552 -52.0448    2.3  38.5 -163.1   1.8002   5.0 ------	UNKNOWN                       
    244.7370 -16.5752    0.6  16.3  -93.9   5.5592  18.7 ------	UNKNOWN                       
    241.0780  11.6320    2.4  35.2  -39.9   1.8144   4.9 ------	UNKNOWN                       
    
    Plot creation:
    Sun Sep 17 01:45:14 EDT 2023