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
227.4310 -6.2737 0.0147 46.8952 -5.8255 2.9981924 13.068 TRIG_01061482
Foreground time interval of the image:
-33.816 15.272 (delta_t = 49.088 [sec])
Background time interval of the image:
-239.672 -33.816 (delta_t = 205.856 [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 -33.816 sec. to 15.272 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 2.22024 ( -0.203727 0.216689 )
Norm@50keV : 3.52018E-03 ( -0.000485273 0.000473224 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 48.63 using 59 bins.
Reduced chi-squared = 0.853158
# Null hypothesis probability of 7.77e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 49.09 sec: 0.589110 ( -0.066183 0.066387 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.62983e-06 ( -1.94134e-07 1.96304e-07 ) ergs/cm2
Cutoff power-law model
Time interval is from -33.816 sec. to 15.272 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.54842 ( -1.06609 0.453609 )
Epeak [keV] : 29.0786 ( -27.7491 15.4754 )
Norm@50keV : 8.37193E-03 ( -0.00837194 0.0247397 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 46.88 using 59 bins.
Reduced chi-squared = 0.837143
# Null hypothesis probability of 8.02e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 49.09 sec: 0.571339 ( -0.070325 0.070185 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.55036e-06 ( -2.12463e-07 2.19516e-07 ) ergs/cm2
Band function
Time interval is from -33.816 sec. to 15.272 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] : 9.91228 (-1.18163 1.33009)
R^2/D10^2 : 0.269564 (-0.10693 0.179243)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 61.96 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.04e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.640e-07 5.297e-08
25- 50 6.482e-07 8.910e-08
50-150 3.298e-07 8.898e-08
15-150 1.242e-06 1.780e-07
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 51.5103 (-12.5731 19.3455)
Norm : 3.24042 (-0.588774 0.764102)
------------------------------------------------------------
#Fit statistic : Chi-Squared 47.05 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 8.23e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 3.915e-07 6.134e-08
25- 50 5.683e-07 6.814e-08
50-150 5.673e-07 1.482e-07
15-150 1.527e-06 2.133e-07
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 3.44346 (-1.24426 2.60466)
R1^2/D10^2 : 13.3640 (-12.1232 55.3945)
kT2 [keV] : 12.7714 (-2.15118 5.00626)
R2^2/D10^2 : 8.39895E-02 (-0.0665211 0.064715)
------------------------------------------------------------
#Fit statistic : Chi-Squared 47.17 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 7.64e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 4.176e-07 2.016e-07
25- 50 5.452e-07 2.096e-07
50-150 4.920e-07 2.171e-07
15-150 1.455e-06 5.302e-07
Peak spectrum fit
Power-law model
Time interval is from -0.516 sec. to 0.484 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 2.28046 ( -0.379963 0.432577 )
Norm@50keV : 1.05175E-02 ( -0.0031781 0.00308379 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.41 using 59 bins.
Reduced chi-squared = 1.05982
# Null hypothesis probability of 3.54e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 1.81856 ( -0.45436 0.45598 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.00166e-07 ( -2.62259e-08 2.66547e-08 ) ergs/cm2
Cutoff power-law model
Time interval is from -0.516 sec. to 0.484 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: -0.433023 ( -5.06036 2.20821 )
Epeak [keV] : 34.5804 ( -24.5073 11.0889 )
Norm@50keV : 0.452898 ( -0.622963 745.547 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 56.08 using 59 bins.
Reduced chi-squared = 1.00143
# Null hypothesis probability of 4.72e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 1.72063 ( -0.45846 0.46389 ) ph/cm2/s
Energy fluence (15-150 keV) : 8.73957e-08 ( -2.41822e-08 2.77108e-08 ) ergs/cm2
Band function
Time interval is from -0.516 sec. to 0.484 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] : 8.94064 (-1.84573 2.28836)
R^2/D10^2 : 1.38730 (-0.848086 2.16625)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 56.28 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 5.02e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.152e-08 1.022e-08
25- 50 4.526e-08 1.901e-08
50-150 1.692e-08 1.040e-08
15-150 8.369e-08 3.540e-08
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 43.5008 (-17.0273 34.8347)
Norm : 11.5799 (-4.08128 6.35953)
------------------------------------------------------------
#Fit statistic : Chi-Squared 57.57 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 4.54e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.730e-08 8.860e-09
25- 50 3.720e-08 1.461e-08
50-150 3.147e-08 1.910e-08
15-150 9.597e-08 3.486e-08
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 8.20314 (-8.25806 2.67089)
R1^2/D10^2 : 1.82062 (-1.77405 -1.77405)
kT2 [keV] : 28.3462 (-31.6611 -31.6611)
R2^2/D10^2 : 3.17349E-03 (-0.00206592 -0.00206592)
------------------------------------------------------------
#Fit statistic : Chi-Squared 55.64 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 4.50e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.297e-08 1.407e-08
25- 50 4.370e-08 2.747e-08
50-150 2.614e-08 1.464e-08
15-150 9.281e-08 5.220e-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: 2.22024 ( -0.203727 0.216689 )
Norm@50keV : 3.52018E-03 ( -0.000485273 0.000473224 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 48.63 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 7.77e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 49.09 sec: 0.589050 ( -0.0661727 0.0663751 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.62952e-06 ( -1.94099e-07 1.96286e-07 ) ergs/cm2
Cutoff power-law model
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.54842 ( -1.06609 0.655823 )
Epeak [keV] : 29.0785 ( -27.909 15.4733 )
Norm@50keV : 8.37193E-03 ( -0.00837193 0.0247397 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 46.88 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 8.02e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 49.09 sec: 0.571193 ( -0.070287 0.070085 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.55069e-06 ( -2.12727e-07 2.19339e-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) = 5.20e-07
S(50-100 keV) = 4.45e-07
T90 vs. Hardness ratio plot
T90 = 44.1759999990463 sec.
Hardness ratio (energy fluence ratio) = 0.855769
Color vs. Color plot
Count Ratio (25-50 keV) / (15-25 keV) = 0.960107
Count Ratio (50-100 keV) / (15-25 keV) = 0.445921
Mask shadow pattern
IMX = 1.062925553726042E+00, IMY = 1.084459794156913E-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:
-239.672000 -33.816000
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
170.4805 -60.5606 16.7 40.3 -115.6 0.5403 0.7 6.1 Cen X-3
186.6619 -62.7708 0.4 32.3 -116.2 14.7124 29.6 0.1 GX 301-2
244.9798 -15.6365 0.9 35.4 18.6 6.2839 13.6 0.2 Sco X-1
255.9934 -37.7963 2.6 15.6 54.0 1.5162 4.4 2.9 4U 1700-377
256.1860 -36.3546 0.0 16.9 52.1 0.7956 2.2 12.7 GX 349+2
263.1885 -24.7970 7.5 29.9 53.5 0.6785 1.5 10.3 GX 1+4
264.8100 -44.2473 0.0 15.3 89.3 -0.4199 -1.1 12.5 4U 1735-44
270.0544 -25.0481 0.0 32.6 64.4 0.6443 1.3 12.6 GX 5-1
270.3003 -25.6954 5.4 32.1 65.4 1.0734 2.1 2.9 GRS 1758-258
275.9252 -30.3669 166.3 31.2 78.2 -0.0352 -0.1 0.0 H1820-303
263.0552 -33.6439 0.0 22.1 62.8 0.4129 1.1 11.9 GX 354-0
232.7837 -41.9412 2.5 12.0 -28.1 1.4649 4.7 ------ UNKNOWN
Pre-slew background subtracted image of 15-350 keV band
Time interval of the image:
-33.816000 15.272000
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
170.1716 -60.7322 7.3 40.4 -115.9 0.4896 1.6 7.8 Cen X-3
186.7443 -62.7762 1.7 32.3 -116.2 1.1113 6.6 2.4 GX 301-2
245.0167 -15.5189 6.2 35.5 18.6 -0.3240 -1.9 7.6 Sco X-1
255.8993 -38.0370 0.0 15.3 54.2 -0.2049 -1.6 12.3 4U 1700-377
256.2075 -36.3886 4.9 16.9 52.2 -0.3014 -2.3 11.2 GX 349+2
262.8108 -24.7314 5.9 29.9 52.8 -0.3235 -1.9 10.8 GX 1+4
264.9266 -44.5378 32.8 15.2 90.4 0.0435 0.4 9.5 4U 1735-44
270.4484 -25.1441 3.5 32.7 65.1 0.6909 3.3 9.7 GX 5-1
270.2413 -25.6671 6.6 32.1 65.3 -0.3632 -1.8 5.6 GRS 1758-258
275.7939 -30.4356 5.0 31.1 78.2 0.4820 2.3 7.9 H1820-303
262.9349 -33.7608 10.6 21.9 62.8 -0.1584 -1.1 5.2 GX 354-0
348.6593 -59.4259 2.2 53.8 159.9 2.9969 5.1 ------ UNKNOWN
227.4315 -6.2740 0.9 46.9 -5.8 3.0003 13.1 ------ UNKNOWN
148.9744 -80.2594 2.4 40.9 -147.6 0.8115 4.9 ------ UNKNOWN
84.6793 -68.5182 2.1 59.5 -154.0 4.0029 5.5 ------ UNKNOWN
117.8697 -68.5602 2.9 54.1 -141.2 2.4584 3.9 ------ UNKNOWN
Post-slew image of 15-350 keV band
Time interval of the image:
103.828630 511.828640
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.9876 -15.6305 0.5 19.6 101.4 13.2327 23.5 0.7 Sco X-1
254.4651 35.3047 6.0 48.8 11.0 1.9944 1.9 2.3 Her X-1
256.1377 -37.7843 5.0 40.9 126.0 3.8624 2.3 8.0 4U 1700-377
256.3739 -36.5464 6.4 40.2 124.4 2.7512 1.8 8.0 GX 349+2
263.1132 -24.6991 5.0 38.8 103.7 3.0136 2.3 6.3 GX 1+4
258.5219 1.6126 3.2 32.0 58.2 2.7204 3.6 ------ UNKNOWN
236.3008 -28.0922 3.2 23.4 141.4 2.0466 3.6 ------ UNKNOWN
231.9703 16.1558 3.2 22.9 -7.2 1.6351 3.6 ------ UNKNOWN
195.8312 -30.0657 2.8 38.0 -151.2 2.8239 4.1 ------ UNKNOWN
215.9630 50.3761 3.6 57.5 -27.2 10.4079 3.2 ------ UNKNOWN
195.9317 26.4934 3.3 44.8 -60.1 8.0293 3.5 ------ UNKNOWN
Plot creation:
Sat Jul 30 06:54:36 EDT 2022