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
262.0179 24.6750 0.0089 36.3866 115.4109 5.7745610 21.560 TRIG_01115766
Foreground time interval of the image:
-37.496 15.325 (delta_t = 52.821 [sec])
Background time interval of the image:
-239.176 -37.496 (delta_t = 201.680 [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 -37.496 sec. to 79.688 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.73758 ( -0.079686 0.080335 )
Norm@50keV : 5.33038E-03 ( -0.000241046 0.000240137 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 53.55 using 59 bins.
Reduced chi-squared = 0.939474
# Null hypothesis probability of 6.05e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 117.2 sec: 0.717518 ( -0.032676 0.032751 ) ph/cm2/s
Energy fluence (15-150 keV) : 5.76963e-06 ( -2.69944e-07 2.71078e-07 ) ergs/cm2
Cutoff power-law model
Time interval is from -37.496 sec. to 79.688 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.48826 ( -0.326741 0.282003 )
Epeak [keV] : 100.165 ( -32.131 -100.166 )
Norm@50keV : 7.15027E-03 ( -0.00194076 0.00327532 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 51.60 using 59 bins.
Reduced chi-squared = 0.921429
# Null hypothesis probability of 6.42e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 117.2 sec: 0.706980 ( -0.034985 0.035036 ) ph/cm2/s
Energy fluence (15-150 keV) : 5.6496e-06 ( -3.07925e-07 3.0685e-07 ) ergs/cm2
Band function
Time interval is from -37.496 sec. to 79.688 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] : 12.9166 ( )
R^2/D10^2 : 0.128264 ( )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 174.71 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 7.09e-14 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 5.319e-07 4.536e-08
25- 50 1.819e-06 9.669e-08
50-150 1.912e-06 1.998e-07
15-150 4.263e-06 2.121e-07
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 126.645 (-22.8348 28.427)
Norm : 2.98923 (-0.169577 0.201945)
------------------------------------------------------------
#Fit statistic : Chi-Squared 52.53 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 6.43e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 9.020e-07 6.932e-08
25- 50 1.634e-06 1.061e-07
50-150 3.021e-06 7.847e-07
15-150 5.556e-06 8.978e-07
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 7.44123 (-0.885698 0.921875)
R1^2/D10^2 : 0.705819 (-0.228778 0.384584)
kT2 [keV] : 27.9846 (-4.58265 7.10608)
R2^2/D10^2 : 5.60953E-03 (-0.00303153 0.00529731)
------------------------------------------------------------
#Fit statistic : Chi-Squared 48.81 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 7.09e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 8.646e-07 1.121e-07
25- 50 1.703e-06 1.805e-07
50-150 3.096e-06 7.020e-07
15-150 5.663e-06 1.001e-06
Peak spectrum fit
Power-law model
Time interval is from -0.020 sec. to 0.980 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.43626 ( -0.190057 0.191683 )
Norm@50keV : 2.47838E-02 ( -0.00340061 0.00339995 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 88.19 using 59 bins.
Reduced chi-squared = 1.54719
# Null hypothesis probability of 5.05e-03 with 57 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 3.04412 ( -0.43481 0.43603 ) ph/cm2/s
Energy fluence (15-150 keV) : 2.37799e-07 ( -3.39822e-08 3.40326e-08 ) ergs/cm2
Cutoff power-law model
Time interval is from -0.020 sec. to 0.980 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: -0.162297 ( -1.10152 0.87092 )
Epeak [keV] : 76.1146 ( -13.8299 28.1152 )
Norm@50keV : 0.137160 ( -0.0815291 0.289641 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 76.99 using 59 bins.
Reduced chi-squared = 1.37482
# Null hypothesis probability of 3.29e-02 with 56 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 2.98696 ( -0.43697 0.43873 ) ph/cm2/s
Energy fluence (15-150 keV) : 2.38556e-07 ( -3.5741e-08 3.55067e-08 ) ergs/cm2
Band function
Time interval is from -0.020 sec. to 0.980 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] : 17.4172 (-2.42085 2.78536)
R^2/D10^2 : 0.236511 (-0.0965214 0.161393)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 80.73 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 2.10e-02 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 1.451e-08 4.195e-09
25- 50 6.545e-08 1.311e-08
50-150 1.428e-07 3.175e-08
15-150 2.228e-07 4.525e-08
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-60.175 -200)
Norm : 12.9656 (-1.76133 1.76133)
------------------------------------------------------------
#Fit statistic : Chi-Squared 85.45 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 8.71e-03 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 3.229e-08 1.827e-08
25- 50 6.211e-08 3.471e-08
50-150 1.362e-07 7.565e-08
15-150 2.306e-07 1.289e-07
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 8.43943 (-3.48166 46.8743)
R1^2/D10^2 : 1.09021 (-0.881478 9.94544)
kT2 [keV] : 22.3288 (-5.10829 32.7222)
R2^2/D10^2 : 7.90535E-02 (-0.0770106 0.15085)
------------------------------------------------------------
#Fit statistic : Chi-Squared 76.35 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.00e-02 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.181e-08 1.281e-08
25- 50 6.656e-08 3.637e-08
50-150 1.527e-07 8.600e-08
15-150 2.411e-07 1.254e-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: 1.60045 ( -0.101663 0.102232 )
Norm@50keV : 7.13111E-03 ( -0.000419884 0.000418671 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.94 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.36e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 52.82 sec: 0.916508 ( -0.0549575 0.0550641 ) ph/cm2/s
Energy fluence (15-150 keV) : 3.52243e-06 ( -2.20625e-07 2.21571e-07 ) ergs/cm2
Cutoff power-law model
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.33995 ( -0.422986 0.30965 )
Epeak [keV] : 126.287 ( -50.296 -126.292 )
Norm@50keV : 9.66732E-03 ( -0.00281999 0.00600196 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 59.64 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.45e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 52.82 sec: 0.904836 ( -0.057514 0.057554 ) ph/cm2/s
Energy fluence (15-150 keV) : 3.45596e-06 ( -2.45006e-07 2.434e-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) = 1.58e-06
S(50-100 keV) = 1.90e-06
T90 vs. Hardness ratio plot
T90 = 87.055999994278 sec.
Hardness ratio (energy fluence ratio) = 1.20253
Color vs. Color plot
Count Ratio (25-50 keV) / (15-25 keV) = 1.34765
Count Ratio (50-100 keV) / (15-25 keV) = 0.828885
Mask shadow pattern
IMX = -3.162101658055748E-01, IMY = -6.656095864535490E-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:
-239.176000 -37.496000
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
254.3402 35.2923 3.6 26.3 129.8 1.2095 3.2 6.5 Her X-1
299.5427 35.1568 3.4 35.1 55.5 1.9985 3.4 3.6 Cyg X-1
307.9830 40.9640 6.3 34.0 40.0 0.8213 1.8 5.8 Cyg X-3
326.2156 38.3771 5.8 44.8 25.1 1.0372 2.0 3.9 Cyg X-2
227.5894 32.6691 2.2 36.2 169.3 2.0573 5.1 ------ UNKNOWN
2.1046 49.9006 2.5 52.0 -11.3 2.4745 4.6 ------ UNKNOWN
9.6326 48.2349 2.7 56.2 -15.0 3.3485 4.2 ------ UNKNOWN
72.1239 74.3248 2.8 44.4 -61.1 4.9880 4.2 ------ UNKNOWN
175.6612 47.9084 2.2 48.0 -129.1 6.0149 5.2 ------ UNKNOWN
Pre-slew background subtracted image of 15-350 keV band
Time interval of the image:
-37.496000 15.324600
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
254.4038 35.1561 0.0 26.4 129.6 0.2087 1.5 11.5 Her X-1
299.6687 35.3219 3.7 35.0 55.2 0.6575 3.1 8.2 Cyg X-1
308.0544 40.8211 4.6 34.2 40.1 0.4253 2.5 8.3 Cyg X-3
326.1501 38.3106 47.3 44.8 25.2 0.0573 0.2 1.2 Cyg X-2
262.0179 24.6750 0.5 36.4 115.4 5.7753 21.6 ------ UNKNOWN
8.6295 54.7813 2.2 50.5 -19.1 1.1168 5.3 ------ UNKNOWN
178.8448 68.4959 2.1 33.4 -106.3 0.7847 5.4 ------ UNKNOWN
104.2716 76.2733 2.4 42.0 -72.6 1.7504 4.8 ------ UNKNOWN
Post-slew image of 15-350 keV band
Time interval of the image:
91.324590 914.024600
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.9658 -15.6358 0.7 43.6 147.9 59.5385 15.9 0.8 Sco X-1
254.3688 35.3548 3.1 12.5 -86.3 4.0488 3.8 4.4 Her X-1
268.4023 -1.6008 7.5 27.0 109.5 -2.8444 -1.5 9.1 SW J1753.5-0127
274.0646 -13.9816 8.1 40.4 105.5 -7.3739 -1.4 4.7 GX 17+2
288.9287 10.9945 5.9 29.0 57.1 -3.4686 -1.9 8.2 GRS 1915+105
299.6045 35.1757 1.0 34.0 6.8 16.3910 11.4 1.7 Cyg X-1
308.1889 40.8607 3.4 41.5 -0.8 5.6279 3.4 6.6 Cyg X-3
326.1689 38.2967 6.3 55.3 3.0 3.9369 1.8 1.5 Cyg X-2
255.6583 -19.1149 3.1 44.2 132.3 21.2079 3.7 ------ UNKNOWN
286.9479 23.4120 2.8 22.8 31.7 4.7537 4.1 ------ UNKNOWN
237.1069 -2.1731 2.3 36.1 169.3 7.9195 5.0 ------ UNKNOWN
297.6442 45.6825 3.6 35.4 -11.7 4.3505 3.2 ------ UNKNOWN
289.7819 59.4383 2.8 39.8 -34.6 6.1713 4.1 ------ UNKNOWN
252.6636 68.7751 2.5 44.4 -61.1 23.3120 4.7 ------ UNKNOWN
207.9921 28.6858 2.5 48.0 -129.0 21.7211 4.6 ------ UNKNOWN
Plot creation:
Mon Oct 24 12:41:12 EDT 2022