====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.47 Process Start Time: Mon May 18 14:43:00 EDT 2020 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger957271 ====================================================================== Trigger: 00957271 Segment: 000 BAT Trigger Time: 603790633.6 [s; MET] Trigger Stop: 603790633.856 [s; MET] UTC: 2020-02-19T07:36:49.139100 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 342.644409036627 Dec: -59.1083992201985 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 13.23 Image Trigger?: NO Rate S/N Ratio: 97.4320275884681 [ if not an image trigger ] Image S/N Ratio: 13.23 Analysis Position: [ source = BAT ] RA: 342.644409036627 Dec: -59.1083992201985 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 342.594694865084 Dec: -59.1012457317369 [deg; J2000] { 22h 50m 22.7s , -59d 06' 04.5" } +/- 2.3689526956136 [arcmin] (estimated 90% radius based on SNR) +/- 1.07910232751214 [arcmin] (formal 1-sigma fit error) SNR: 8.8723328216173 Angular difference between the analysis and refined position is 1.590605 arcmin Partial Coding Fraction: 0.9921875 [ including projection effects ] Duration T90: 288 +/- 50.5964425626941 Measured from: -15.6000000238419 to: 272.399999976158 [s; relative to TRIGTIME] T50: 144 +/- 50.5964425626941 Measured from: 0.399999976158142 to: 144.399999976158 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -8.10000002384186 to: -7.10000002384186 [s; relative to TRIGTIME] Total Fluence Measured from: -15.6000000238419 to: 304.399999976158 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.481958 0.818164 0.553697 0.172386 0.101575 0.103531 0.089510 0.078650 [error] Peak -0.004904 0.006953 -0.005834 0.000983 0.005995 0.005853 0.005085 0.004551 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 320.000 -15.600 304.400 T90 288.000 -15.600 272.400 T50 144.000 0.400 144.400 Peak 1.000 -8.100 -7.100 ====== Spectral Analysis Summary ===================================== Model : spectral model: simple power-law (PL) and cutoff power-law (CPL) Ph_index : photon index: E^{Ph_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 both the PL model and CPL model Nomr_90err : 90% error of the normalization chi2 : Chi-Squared dof : degree of freedo === Time-averaged spectral analysis === (Best model with acceptable fit: PL) Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof PL -1.444 -0.255 0.252 - - - 4.11e-04 -6.11e-05 6.06e-05 59.820 57 CPL -0.796 -0.923 1.516 92.272 -35.404 -92.272 8.75e-04 -5.12e-04 4.09e-03 58.890 56 === 1-s peak spectral analysis === (Best model with acceptable fit: N/A) Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof PL -1.500 1.500 1.500 - - - 0.00e+00 0.00e+00 8.04e-04 73.520 57 CPL -1.000 1.000 1.000 80.000 -80.000 -80.000 0.00e+00 N/A N/A 73.520 56 === 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 PL 1.59e-07 3.03e-07 4.45e-07 1.40e-06 1.26e-06 2.31e-06 erg/cm2 90%_error_low -3.78e-08 -4.60e-08 -8.58e-08 -5.00e-07 -2.06e-07 -5.80e-07 erg/cm2 90%_error_hi 4.02e-08 4.55e-08 8.51e-08 6.61e-07 2.10e-07 7.13e-07 erg/cm2 Peak flux PL 3.62e-10 5.82e-10 8.99e-08 1.70e-05 4.47e-09 3.91e-06 ph/cm2/s 90%_error_low -3.62e-10 -5.82e-10 -8.99e-08 -1.70e-05 -4.47e-09 -3.91e-06 ph/cm2/s 90%_error_hi 5.31e-02 3.41e-02 2.72e-02 3.66e-01 1.02e-01 3.79e-01 ph/cm2/s Fluence CPL 1.43e-07 3.23e-07 4.61e-07 5.68e-07 1.19e-06 1.50e-06 erg/cm2 90%_error_low -4.84e-08 -5.76e-08 -9.34e-08 -4.30e-07 -2.36e-07 -4.95e-07 erg/cm2 90%_error_hi 4.89e-08 6.16e-08 9.58e-08 9.98e-07 2.38e-07 1.26e-06 erg/cm2 Peak flux CPL 1.87e-02 4.71e-02 7.16e-04 4.03e-09 5.96e-02 6.17e-02 ph/cm2/s 90%_error_low -1.87e-02 -4.71e-02 -7.16e-04 N/A -5.96e-02 -6.17e-02 ph/cm2/s 90%_error_hi 5.67e-02 6.16e-02 2.46e-02 N/A 1.06e-01 1.04e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 342.5947 -59.1012 0.0218 17.4796 -0.9238 0.5972333 8.872 TRIG_00957271 Foreground time interval of the image: -15.600 15.501 (delta_t = 31.101 [sec]) Background time interval of the image: -116.099 -15.600 (delta_t = 100.499 [sec])
Note: The mask-weighted lightcurves have units of either count/det or counts/sec/det, where a det is 0.4 x 0.4 = 0.16 sq cm.
Time interval is from -15.600 sec. to 304.400 sec. XSPEC12>exit XSPEC: quit Photon index: -1.44423 ( -0.254625 0.251554 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.44423 ( -0.251554 0.254625 ) Norm@50keV : 4.10939E-04 ( -6.1078e-05 6.06002e-05 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 320 sec: 5.05716E-02 ( -0.0073815 0.0073931 ) ph/cm2/s Energy fluence (15-150 keV) : 1.25988e-06 ( -2.06465e-07 2.09721e-07 ) ergs/cm2
Time interval is from -15.600 sec. to 304.400 sec. XSPEC: quit Photon index: -0.795898 ( -0.923494 1.51618 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 0.795898 ( -1.51618 0.923494 ) Epeak [keV] : 92.2716 ( -35.3773 -92.2445 ) Norm@50keV : 8.74891E-04 ( -0.000512772 0.00408932 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 320 sec: 4.90771E-02 ( -0.007987 0.0078622 ) ph/cm2/s Energy fluence (15-150 keV) : 1.19498e-06 ( -2.36329e-07 2.38165e-07 ) ergs/cm2
Time interval is from -8.100 sec. to -7.100 sec. XSPEC12>exit XSPEC: quit Photon index: -1.5 ( 1.5 1.5 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.50000 ( -1.5 -1.5 ) Norm@50keV : 0.0 ( 0 0.000803549 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 1 sec: 4.47484E-09 ( -4.47484e-09 0.10162 ) ph/cm2/s Energy fluence (15-150 keV) : 1.00231e-30 ( 1 8.78658e-09 ) ergs/cm2
Time interval is from -8.100 sec. to -7.100 sec. XSPEC: quit Photon index: -1 ( 1 1 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.00000 ( -1 -1 ) Epeak [keV] : 80.0000 ( -80 -80 ) Norm@50keV : 0.0 ( ) ------------------------------------------------------------ Photon flux (15-150 keV) in 1 sec: 5.95983E-02 ( -0.0595983 0.106183 ) ph/cm2/s Energy fluence (15-150 keV) : 1.0074e-30 ( 1 7.97793e-09 ) ergs/cm2
T90 = 288.0 sec. Hardness ratio (energy fluence ratio) = 1.46997522427
S(15-50 keV) = 4.62362e-07 S(50-150 keV) = 7.975111e-07
The dash-dotted line and the dashed line traces the fluences calculated from the Band function with Epeak = 15 and 150 keV, respectively. Both lines assume a canonical values of alpha = -1 and beta = -2.5.
IMX = 3.148667134259973E-01, IMY = 5.077342664083662E-03
Time interval of the image: -116.099370 -15.600000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 255.9839 -37.8465 1.2 39.8 160.5 2.4722 9.7 0.2 4U 1700-377 256.5427 -36.3191 7.0 40.6 162.7 0.4390 1.7 8.1 GX 349+2 263.1956 -24.8126 0.0 46.0 179.7 -0.0159 -0.1 10.9 GX 1+4 264.6734 -44.5274 11.8 30.5 159.6 0.1735 1.0 5.5 4U 1735-44 270.4072 -25.1816 338.2 42.2 -172.7 -0.0075 -0.0 9.1 GX 5-1 270.3988 -25.7777 5.3 41.7 -173.2 0.4648 2.2 5.6 GRS 1758-258 273.9916 -14.0713 4.7 50.4 -161.3 0.8903 2.4 2.3 GX 17+2 276.0750 -30.4165 4.1 35.1 -170.4 0.4569 2.8 8.3 H1820-303 284.9486 -24.7951 9.8 36.4 -153.9 -0.1979 -1.2 8.9 HT1900.1-2455 263.0852 -33.7369 3.6 39.0 171.6 -0.6735 -3.2 7.6 GX 354-0 18.1480 -80.1137 2.5 31.2 48.5 0.8795 4.5 ------ UNKNOWN 333.7285 -46.6250 2.7 17.6 -47.0 0.5455 4.3 ------ UNKNOWN 264.4000 -12.0755 2.5 56.4 -170.6 2.8563 4.7 ------ UNKNOWN 295.1485 -7.9692 2.6 49.7 -133.0 3.0398 4.5 ------ UNKNOWN
Time interval of the image: -15.600000 15.500590 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 255.8468 -37.7380 9.2 40.0 160.5 0.1501 1.2 9.2 4U 1700-377 256.5041 -36.5610 5.4 40.4 162.4 0.2606 2.1 8.9 GX 349+2 262.9388 -24.6819 5.3 46.3 179.5 -0.3300 -2.2 5.4 GX 1+4 264.8801 -44.5201 8.1 30.4 159.8 -0.1210 -1.4 7.2 4U 1735-44 270.1528 -25.1129 10.9 42.4 -173.0 -0.1148 -1.1 7.4 GX 5-1 270.4376 -25.7112 22.4 41.7 -173.1 -0.0567 -0.5 7.5 GRS 1758-258 274.1466 -14.0107 3.7 50.4 -161.1 -0.5591 -3.1 8.3 GX 17+2 275.7169 -30.3239 94.4 35.3 -170.7 0.0117 0.1 11.1 H1820-303 284.9016 -24.8373 36.2 36.3 -154.0 0.0303 0.3 8.9 HT1900.1-2455 262.8258 -33.8324 36.4 39.0 171.2 0.0344 0.3 8.1 GX 354-0 46.2839 -54.2479 2.2 50.2 17.3 1.0545 5.2 ------ UNKNOWN 342.5943 -59.1018 1.3 17.5 -0.9 0.5988 8.9 ------ UNKNOWN 357.6837 -21.8645 2.2 49.0 -48.1 1.5445 5.2 ------ UNKNOWN
Time interval of the image: 56.700590 962.448000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 255.9485 -37.8477 3.3 56.6 174.7 11.3776 3.5 1.8 4U 1700-377 264.9785 -44.5042 0.0 47.2 175.7 2.7241 1.7 10.6 4U 1735-44 276.1613 -30.3641 0.0 52.4 -163.5 -1.2591 -0.7 12.2 H1820-303 285.0631 -24.9402 5.0 52.3 -151.4 4.6301 2.3 1.9 HT1900.1-2455 262.9451 -33.9184 4.8 56.3 -177.1 -7.5956 -2.4 5.5 GX 354-0 255.2001 -38.1348 2.3 56.8 173.9 16.1175 5.1 ------ UNKNOWN 279.6192 -51.7113 3.7 35.1 177.6 2.8342 3.2 ------ UNKNOWN 264.0837 -32.5222 2.7 56.8 -175.2 12.4080 4.3 ------ UNKNOWN 299.0252 -28.8309 3.2 42.3 -139.9 4.2953 3.6 ------ UNKNOWN 303.3843 -20.1779 2.3 48.0 -129.1 14.2438 5.0 ------ UNKNOWN