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
215.3808 -1.1770 0.0213 13.0149 -75.9015 1.0691691 9.071 TRIG_01061511
Foreground time interval of the image:
-0.824 57.133 (delta_t = 57.957 [sec])
Background time interval of the image:
-239.368 -0.824 (delta_t = 238.544 [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 5.504000
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 5.504000
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 5.504000
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 -0.824 sec. to 59.864 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.33596 ( -0.248265 0.248194 )
Norm@50keV : 1.35455E-03 ( -0.000181794 0.000181193 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.49 using 59 bins.
Reduced chi-squared = 1.06123
# Null hypothesis probability of 3.51e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 60.69 sec: 0.162723 ( -0.022084 0.022151 ) ph/cm2/s
Energy fluence (15-150 keV) : 8.05557e-07 ( -1.2198e-07 1.23789e-07 ) ergs/cm2
Cutoff power-law model
Time interval is from -0.824 sec. to 59.864 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.33242 ( -0.865301 1.65878 )
Epeak [keV] : 9998.49 ( -9998.56 -9998.56 )
Norm@50keV : 1.35993E-03 ( -0.00119107 0.00225686 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.49 using 59 bins.
Reduced chi-squared = 1.08018
# Null hypothesis probability of 3.17e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 60.69 sec: 0.162943 ( -0.023493 0.022049 ) ph/cm2/s
Energy fluence (15-150 keV) : 8.06801e-07 ( -1.33208e-07 9.99067e-08 ) ergs/cm2
Band function
Time interval is from -0.824 sec. to 59.864 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] : 18.4552 (-3.27902 4.08893)
R^2/D10^2 : 9.20994E-03 (-0.00441931 0.00848356)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 75.55 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 5.06e-02 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 3.780e-08 1.172e-08
25- 50 1.781e-07 4.345e-08
50-150 4.430e-07 1.234e-07
15-150 6.589e-07 1.295e-07
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-57.9221 -200)
Norm : 0.669377 (-0.0895028 0.0895028)
------------------------------------------------------------
#Fit statistic : Chi-Squared 63.08 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 2.70e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 1.012e-07 5.650e-08
25- 50 1.947e-07 1.098e-07
50-150 4.269e-07 2.365e-07
15-150 7.228e-07 4.027e-07
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 5.47358 (-1.86205 2.58928)
R1^2/D10^2 : 0.381799 (-0.293186 1.93598)
kT2 [keV] : 26.6446 (-6.23894 12.2306)
R2^2/D10^2 : 2.43594E-03 (-0.00169399 0.00353145)
------------------------------------------------------------
#Fit statistic : Chi-Squared 58.55 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.47e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 9.747e-08 5.066e-08
25- 50 1.679e-07 7.268e-08
50-150 5.403e-07 2.994e-07
15-150 8.056e-07 3.559e-07
Peak spectrum fit
Power-law model
Time interval is from 1.008 sec. to 2.008 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.10294 ( -0.370323 0.35461 )
Norm@50keV : 7.48136E-03 ( -0.00153728 0.00153709 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 63.48 using 59 bins.
Reduced chi-squared = 1.11368
# Null hypothesis probability of 2.59e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 0.868036 ( -0.18109 0.181574 ) ph/cm2/s
Energy fluence (15-150 keV) : 7.81538e-08 ( -1.79672e-08 1.83468e-08 ) ergs/cm2
Cutoff power-law model
Time interval is from 1.008 sec. to 2.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 0.619317 ( -2.05223 -0.619383 )
Epeak [keV] : 144.010 ( -144.118 -144.118 )
Norm@50keV : 1.31081E-02 ( -0.00701922 0.0814037 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 63.16 using 59 bins.
Reduced chi-squared = 1.12786
# Null hypothesis probability of 2.38e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 0.850379 ( -0.190496 0.188801 ) ph/cm2/s
Energy fluence (15-150 keV) : 7.45865e-08 ( -2.23276e-08 2.07721e-08 ) ergs/cm2
Band function
Time interval is from 1.008 sec. to 2.008 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] : 16.7756 (-4.0883 6.48466)
R^2/D10^2 : 7.17977E-02 (-0.0467731 0.110347)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 66.16 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 1.90e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 4.130e-09 1.971e-09
25- 50 1.808e-08 6.343e-09
50-150 3.617e-08 1.546e-08
15-150 5.837e-08 2.484e-08
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-73.3321 -200)
Norm : 3.52146 (-0.745214 0.745214)
------------------------------------------------------------
#Fit statistic : Chi-Squared 67.13 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 1.69e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 8.772e-09 5.230e-09
25- 50 1.687e-08 9.860e-09
50-150 3.701e-08 2.145e-08
15-150 6.265e-08 3.628e-08
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 11.7264 (-3.80996 5.41539)
R1^2/D10^2 : 0.191089 (-0.123859 0.474263)
kT2 [keV] : 183.838 (-185.317 -185.317)
R2^2/D10^2 : 1.66396E-04 (-8.71088e-05 0.017303)
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.55 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 2.83e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 5.873e-09 3.521e-09
25- 50 1.838e-08 1.094e-08
50-150 5.335e-08 2.348e-08
15-150 7.761e-08 3.882e-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: 1.32598 ( -0.24591 0.245366 )
Norm@50keV : 1.37603E-03 ( -0.000185898 0.000185405 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.41 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.54e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 57.96 sec: 0.164975 ( -0.0225679 0.0226409 ) ph/cm2/s
Energy fluence (15-150 keV) : 7.83242e-07 ( -1.1899e-07 1.20779e-07 ) ergs/cm2
Cutoff power-law model
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.14702 ( -1.01152 1.30461 )
Epeak [keV] : 242.987 ( -248.798 -248.798 )
Norm@50keV : 1.67408E-03 ( -0.000482166 0.00319426 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 60.30 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.23e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 57.96 sec: 0.163401 ( -0.023843 0.023613 ) ph/cm2/s
Energy fluence (15-150 keV) : 7.73215e-07 ( -1.29651e-07 1.28103e-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) = 1.83e-07
S(50-100 keV) = 2.90e-07
T90 vs. Hardness ratio plot
T90 = 53.5439999103546 sec.
Hardness ratio (energy fluence ratio) = 1.5847
Color vs. Color plot
Count Ratio (25-50 keV) / (15-25 keV) = 1.13856
Count Ratio (50-100 keV) / (15-25 keV) = 1.10752
Mask shadow pattern
IMX = 5.630342241130590E-02, IMY = 2.241789332087629E-01
TIME vs. PHA plot around the trigger time
Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 5.504000
TIME vs. DetID plot around the trigger time
Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 5.504000
100 us light curve (15-350 keV)
Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 5.504000
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:
-239.368000 -0.824000
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.9743 -15.6450 0.5 19.6 111.3 8.0307 21.2 0.4 Sco X-1
254.3303 35.2293 3.7 48.7 21.0 2.3385 3.1 9.2 Her X-1
255.9895 -37.8438 28.7 40.9 136.1 0.3468 0.4 0.1 4U 1700-377
256.5128 -36.3201 17.1 40.1 134.0 -0.5686 -0.7 7.2 GX 349+2
262.8560 -24.6387 0.0 38.6 113.7 -1.0028 -1.1 10.5 GX 1+4
263.1196 -33.7347 4.7 43.0 126.0 -3.0602 -2.5 8.9 GX 354-0
230.5331 46.6659 3.6 53.0 -5.8 2.3633 3.2 ------ UNKNOWN
179.3742 -35.7213 2.9 52.8 -139.4 5.9588 3.9 ------ UNKNOWN
Pre-slew background subtracted image of 15-350 keV band
Time interval of the image:
-0.824000 57.132590
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.8634 -15.5079 4.3 19.5 111.1 0.3937 2.7 10.4 Sco X-1
254.4894 35.3568 9.0 48.8 21.0 0.4216 1.3 1.8 Her X-1
255.9454 -37.7646 4.4 40.8 136.1 0.9395 2.6 5.2 4U 1700-377
256.4600 -36.2844 5.6 40.1 134.0 0.7098 2.0 8.4 GX 349+2
262.9906 -24.8713 13.1 38.8 114.0 0.3662 0.9 7.6 GX 1+4
263.1476 -33.9297 4.0 43.1 126.2 -1.5241 -2.9 9.7 GX 354-0
229.2165 -54.7007 2.5 48.4 170.0 1.5605 4.7 ------ UNKNOWN
215.3808 -1.1770 1.3 13.0 -75.9 1.0687 9.1 ------ UNKNOWN
212.3702 29.5762 1.9 38.7 -29.7 1.0828 6.0 ------ UNKNOWN
Post-slew image of 15-350 keV band
Time interval of the image:
94.532600 962.724200
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.9718 -15.6559 0.5 32.6 98.6 33.8319 22.8 1.0 Sco X-1
254.5110 35.3469 5.8 51.6 21.6 6.3559 2.0 2.6 Her X-1
229.8727 -21.1124 3.0 24.4 126.3 4.2279 3.8 ------ UNKNOWN
209.7330 -46.4687 3.3 45.6 166.1 7.2792 3.5 ------ UNKNOWN
212.5932 -15.6192 3.8 14.7 171.3 2.4278 3.0 ------ UNKNOWN
217.8624 58.1990 3.9 59.4 -17.9 16.9935 3.0 ------ UNKNOWN
166.1371 -24.2427 3.0 52.9 -139.3 16.5631 3.8 ------ UNKNOWN
182.8805 31.3184 4.0 44.8 -60.0 10.0508 2.9 ------ UNKNOWN
168.8538 -15.3518 2.8 48.0 -129.1 15.3139 4.1 ------ UNKNOWN
Plot creation:
Sat Jul 30 06:54:05 EDT 2022