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
258.5451 17.2769 0.0024 4.0668 -113.4534 19.4940108 78.518 TRIG_01090853
Foreground time interval of the image:
-24.776 74.277 (delta_t = 99.053 [sec])
Background time interval of the image:
-239.424 -24.776 (delta_t = 214.648 [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 -24.776 sec. to 139.816 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.59937 ( -0.0329704 0.032958 )
Norm@50keV : 1.01026E-02 ( -0.000171658 0.000171632 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 62.80 using 59 bins.
Reduced chi-squared = 1.10175
# Null hypothesis probability of 2.78e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 164.6 sec: 1.29802 ( -0.02669 0.02681 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.5555e-05 ( -2.65971e-07 2.65854e-07 ) ergs/cm2
Cutoff power-law model
Time interval is from -24.776 sec. to 139.816 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.32031 ( -0.141794 0.137782 )
Epeak [keV] : 139.775 ( -28.2586 76.9879 )
Norm@50keV : 1.33576E-02 ( -0.00168251 0.00198321 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 50.61 using 59 bins.
Reduced chi-squared = 0.90375
# Null hypothesis probability of 6.78e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 164.6 sec: 1.26382 ( -0.0308 0.03105 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.52781e-05 ( -2.98191e-07 2.97299e-07 ) ergs/cm2
Band function
Time interval is from -24.776 sec. to 139.816 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] : 16.9988 ( )
R^2/D10^2 : 8.77781E-02 ( )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 687.78 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 4.77e-109 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 8.503e-07 3.160e-08
25- 50 3.762e-06 9.958e-08
50-150 7.761e-06 2.214e-07
15-150 1.237e-05 2.461e-07
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-14.2768 -200)
Norm : 5.18813 (-0.0877199 0.08772)
------------------------------------------------------------
#Fit statistic : Chi-Squared 51.14 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 6.93e-01 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.127e-06 4.362e-08
25- 50 4.092e-06 8.477e-08
50-150 8.975e-06 1.918e-07
15-150 1.519e-05 3.078e-07
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 7.97268 (-0.541639 0.562)
R1^2/D10^2 : 0.827347 (-0.168838 0.228422)
kT2 [keV] : 28.0416 (-1.7924 2.17211)
R2^2/D10^2 : 1.16088E-02 (-0.00281806 0.00331835)
------------------------------------------------------------
#Fit statistic : Chi-Squared 62.24 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 2.34e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 1.806e-06 1.136e-07
25- 50 4.183e-06 1.235e-07
50-150 9.045e-06 3.514e-07
15-150 1.504e-05 4.708e-07
Peak spectrum fit
Power-law model
Time interval is from 50.188 sec. to 51.188 sec.
Spectral model in power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.33133 ( -0.071686 0.0719705 )
Norm@50keV : 5.08271E-02 ( -0.00217725 0.00217589 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 72.33 using 59 bins.
Reduced chi-squared = 1.26895
# Null hypothesis probability of 8.30e-02 with 57 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 6.10028 ( -0.26445 0.26461 ) ph/cm2/s
Energy fluence (15-150 keV) : 4.98597e-07 ( -2.38196e-08 2.39075e-08 ) ergs/cm2
Cutoff power-law model
Time interval is from 50.188 sec. to 51.188 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 0.611207 ( -0.329429 0.306053 )
Epeak [keV] : 102.451 ( -17.1284 36.7916 )
Norm@50keV : 0.112528 ( -0.0315361 0.0478343 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 54.60 using 59 bins.
Reduced chi-squared = 0.975
# Null hypothesis probability of 5.28e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 1 sec: 5.91916 ( -0.27463 0.27464 ) ph/cm2/s
Energy fluence (15-150 keV) : 4.78355e-07 ( -2.58014e-08 2.57604e-08 ) ergs/cm2
Band function
Time interval is from 50.188 sec. to 51.188 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] : 16.9688 ( )
R^2/D10^2 : 0.480239 ( )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared 126.01 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 4.00e-07 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 2.818e-08 2.305e-09
25- 50 1.245e-07 6.850e-09
50-150 2.558e-07 2.020e-08
15-150 4.084e-07 2.070e-08
Thermal bremsstrahlung (OTTB)
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-9.15141 -200)
Norm : 25.2193 (-1.07675 1.07675)
------------------------------------------------------------
#Fit statistic : Chi-Squared 87.86 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 5.40e-03 with 57 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 6.279e-08 2.930e-09
25- 50 1.208e-07 5.250e-09
50-150 2.649e-07 1.170e-08
15-150 4.485e-07 1.945e-08
Double BB
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT1 [keV] : 7.96936 (-1.68647 1.84605)
R1^2/D10^2 : 3.11410 (-1.35536 3.35438)
kT2 [keV] : 25.9201 (-3.58202 5.81559)
R2^2/D10^2 : 9.01068E-02 (-0.0485615 0.0707777)
------------------------------------------------------------
#Fit statistic : Chi-Squared 55.79 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 4.45e-01 with 55 degrees of freedom
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 4.598e-08 9.375e-09
25- 50 1.216e-07 1.730e-08
50-150 3.111e-07 6.255e-08
15-150 4.786e-07 6.615e-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: 1.47951 ( -0.0319678 0.0319266 )
Norm@50keV : 1.24830E-02 ( -0.000211173 0.0002111 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 61.41 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 3.21e-01 with 57 degrees of freedom
Photon flux (15-150 keV) in 99.05 sec: 1.54994 ( -0.0307664 0.0308736 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.17698e-05 ( -2.00294e-07 2.00357e-07 ) ergs/cm2
Cutoff power-law model
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters : value lower 90% higher 90%
Photon index: 1.13397 ( -0.139328 0.135419 )
Epeak [keV] : 146.027 ( -25.5907 54.8627 )
Norm@50keV : 1.75687E-02 ( -0.00215293 0.00252471 )
------------------------------------------------------------
#Fit statistic : Chi-Squared 41.77 using 59 bins.
Reduced chi-squared =
# Null hypothesis probability of 9.21e-01 with 56 degrees of freedom
Photon flux (15-150 keV) in 99.05 sec: 1.50411 ( -0.03469 0.03491 ) ph/cm2/s
Energy fluence (15-150 keV) : 1.15452e-05 ( -2.20188e-07 2.19495e-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) = 4.03e-06
S(50-100 keV) = 5.32e-06
T90 vs. Hardness ratio plot
T90 = 121.519999980927 sec.
Hardness ratio (energy fluence ratio) = 1.3201
Color vs. Color plot
Count Ratio (25-50 keV) / (15-25 keV) = 1.30072
Count Ratio (50-100 keV) / (15-25 keV) = 0.930611
Mask shadow pattern
IMX = -2.829766426403050E-02, IMY = 6.522529208728120E-02
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:
-239.424000 -24.776000
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
245.0034 -15.6424 0.8 37.1 -48.6 6.4876 14.2 1.4 Sco X-1
254.6997 35.2682 0.0 15.3 112.6 -0.1150 -0.4 12.7 Her X-1
268.2452 -1.5124 5.4 25.0 -97.1 0.7001 2.1 8.2 SW J1753.5-0127
274.0513 -13.9486 49.8 38.6 -95.1 -0.1865 -0.2 5.9 GX 17+2
288.7678 10.7910 12.1 33.4 -144.3 0.3091 1.0 9.4 GRS 1915+105
299.5872 35.2028 0.6 41.6 173.8 8.4313 18.1 0.2 Cyg X-1
308.2594 41.0349 8.7 49.3 167.3 -1.0180 -1.3 8.4 Cyg X-3
201.0868 23.8959 4.1 50.2 39.7 4.4512 2.8 ------ UNKNOWN
292.0379 31.0118 3.4 34.7 178.8 1.0538 3.4 ------ UNKNOWN
239.5393 11.2696 2.8 17.6 -2.8 1.0119 4.2 ------ UNKNOWN
264.4962 4.3871 2.4 18.0 -96.1 1.3792 4.7 ------ UNKNOWN
291.7997 4.6883 4.0 38.6 -136.8 1.1815 2.9 ------ UNKNOWN
305.4723 0.2059 2.2 52.8 -139.5 6.3507 5.3 ------ UNKNOWN
Pre-slew background subtracted image of 15-350 keV band
Time interval of the image:
-24.776000 74.276600
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
244.8780 -15.7367 9.1 37.2 -48.4 -0.5237 -1.3 8.2 Sco X-1
254.6572 35.2693 3.9 15.3 112.5 -0.7674 -3.0 10.7 Her X-1
268.4880 -1.3855 11.4 25.0 -97.8 -0.3302 -1.0 8.2 SW J1753.5-0127
273.9175 -13.9109 8.9 38.5 -95.0 1.0155 1.3 9.1 GX 17+2
288.8369 11.0479 19.4 33.4 -144.8 -0.2075 -0.6 6.5 GRS 1915+105
299.4081 35.1855 52.7 41.5 173.8 -0.0974 -0.2 9.0 Cyg X-1
308.1104 40.9511 236.2 49.2 167.3 0.0351 0.0 0.1 Cyg X-3
284.5499 42.7742 2.7 33.4 155.2 1.4628 4.2 ------ UNKNOWN
218.3143 4.4899 2.8 39.3 6.4 1.6226 4.2 ------ UNKNOWN
214.1954 -1.9292 2.1 45.9 1.0 2.4877 5.4 ------ UNKNOWN
311.8279 30.1089 2.5 51.6 -178.4 3.0836 4.6 ------ UNKNOWN
258.5451 17.2768 0.1 4.1 -113.5 19.4937 78.5 ------ UNKNOWN
263.1980 9.5585 2.4 12.9 -102.2 1.1551 4.7 ------ UNKNOWN
298.1424 11.6473 2.1 41.9 -150.4 2.3505 5.6 ------ UNKNOWN
Post-slew image of 15-350 keV band
Time interval of the image:
159.076590 372.276600
# RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name
# [deg] [deg] ['] [deg] [deg] [']
254.3651 35.3509 7.2 44.2 -28.9 0.8130 1.6 4.6 Her X-1
288.8072 10.8753 10.4 36.5 -91.1 -0.8423 -1.1 4.2 GRS 1915+105
299.5943 35.2130 0.4 11.2 -71.4 8.8655 32.4 0.7 Cyg X-1
308.0693 40.9286 1.8 2.5 -55.1 1.4851 6.3 2.3 Cyg X-3
326.0503 38.2055 41.4 11.8 151.7 0.0690 0.3 9.0 Cyg X-2
211.2200 82.1335 3.6 50.2 39.7 4.3933 3.2 ------ UNKNOWN
217.2366 63.0416 3.1 55.4 16.5 5.6510 3.8 ------ UNKNOWN
328.9899 14.7000 2.8 31.0 -165.1 1.2577 4.2 ------ UNKNOWN
336.1227 2.3251 3.0 45.2 -166.5 1.8594 3.8 ------ UNKNOWN
241.5910 42.1478 2.8 50.3 -14.8 2.4422 4.1 ------ UNKNOWN
266.1936 25.4233 3.2 40.4 -49.3 1.7671 3.6 ------ UNKNOWN
291.5470 4.3319 2.7 41.2 -99.5 4.6035 4.2 ------ UNKNOWN
Plot creation:
Mon Oct 24 05:11:39 EDT 2022