====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.48 Process Start Time: Mon Oct 24 00:30:44 EDT 2022 Host Name: batproc1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1072990 ====================================================================== Trigger: 01072990 Segment: 000 BAT Trigger Time: 653137299.264 [s; MET] Trigger Stop: 653137299.776 [s; MET] UTC: 2021-09-12T11:01:11.549600 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 129.768773811578 Dec: 79.1940996457089 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.29 Image Trigger?: NO Rate S/N Ratio: 15.8429795177549 [ if not an image trigger ] Image S/N Ratio: 7.29 Analysis Position: [ source = BAT ] RA: 129.768773811578 Dec: 79.1940996457089 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 129.872933703937 Dec: 79.2186019874407 [deg; J2000] { 08h 39m 29.5s , +79d 13' 07.0" } +/- 1.21388932001449 [arcmin] (estimated 90% radius based on SNR) +/- 0.43769455888611 [arcmin] (formal 1-sigma fit error) SNR: 23.0601716934487 Angular difference between the analysis and refined position is 1.879120 arcmin Partial Coding Fraction: 1.03125 [ including projection effects ] Duration T90: 20.6959999799728 +/- 3.60535157017626 Measured from: -14.8000000715256 to: 5.89599990844727 [s; relative to TRIGTIME] T50: 6.93999993801117 +/- 2.26649068239638 Measured from: -4.48800003528595 to: 2.45199990272522 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 0.21999990940094 to: 1.21999990940094 [s; relative to TRIGTIME] Total Fluence Measured from: -19.3600000143051 to: 7.10399997234344 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.442177 0.689354 0.452738 0.099385 0.035136 0.037011 0.032812 0.028930 [error] Peak 0.049324 0.106541 0.054929 0.017654 0.007673 0.008471 0.007351 0.006310 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 26.464 -19.360 7.104 T90 20.696 -14.800 5.896 T50 6.940 -4.488 2.452 Peak 1.000 0.220 1.220 ====== 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: 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 -1.477 -0.114 0.113 - - - 3.99e-03 -2.70e-04 2.69e-04 63.730 57 CPL -0.737 -0.487 0.553 82.522 -17.480 64.465 9.63e-03 -4.15e-03 8.73e-03 56.590 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 -1.403 -0.169 0.168 - - - 1.37e-02 -1.54e-03 1.53e-03 74.590 57 CPL 0.755 -1.015 1.347 56.613 -8.437 15.018 2.11e-01 -2.11e-01 9.93e-01 57.700 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 1.32e-07 2.46e-07 3.54e-07 1.08e-06 1.01e-06 1.81e-06 erg/cm2 90%_error_low -1.42e-08 -1.66e-08 -3.13e-08 -1.90e-07 -7.53e-08 -2.17e-07 erg/cm2 90%_error_hi 1.46e-08 1.65e-08 3.13e-08 2.16e-07 7.61e-08 2.39e-07 erg/cm2 Peak flux PL 5.12e-01 5.46e-01 4.13e-01 5.08e-01 1.66e+00 1.98e+00 ph/cm2/s 90%_error_low -8.61e-02 -6.22e-02 -5.66e-02 -1.23e-01 -1.82e-01 -2.25e-01 ph/cm2/s 90%_error_hi 8.95e-02 6.20e-02 5.65e-02 1.46e-01 1.82e-01 2.28e-01 ph/cm2/s Fluence CPL 1.18e-07 2.65e-07 3.63e-07 3.79e-07 9.41e-07 1.13e-06 erg/cm2 90%_error_low -1.70e-08 -2.09e-08 -3.47e-08 -1.72e-07 -8.57e-08 -1.91e-07 erg/cm2 90%_error_hi 1.72e-08 2.15e-08 3.48e-08 3.44e-07 8.68e-08 3.47e-07 erg/cm2 Peak flux CPL 3.95e-01 6.87e-01 4.24e-01 6.45e-02 1.56e+00 1.57e+00 ph/cm2/s 90%_error_low -9.87e-02 -9.12e-02 -8.31e-02 N/A -1.85e-01 -1.89e-01 ph/cm2/s 90%_error_hi 1.03e-01 9.70e-02 7.53e-02 N/A 1.86e-01 1.96e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 129.8729 79.2186 0.0083 7.6661 -153.7391 1.6569498 23.060 TRIG_01072990 Foreground time interval of the image: -19.360 7.104 (delta_t = 26.464 [sec]) Background time interval of the image: -239.264 -19.360 (delta_t = 219.904 [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 -19.360 sec. to 7.104 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.47705 ( -0.114325 0.11344 ) Norm@50keV : 3.99458E-03 ( -0.000269937 0.000268798 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 63.73 using 59 bins. Reduced chi-squared = 1.11807 # Null hypothesis probability of 2.52e-01 with 57 degrees of freedom Photon flux (15-150 keV) in 26.46 sec: 0.495678 ( -0.03255 0.032573 ) ph/cm2/s Energy fluence (15-150 keV) : 1.0067e-06 ( -7.53351e-08 7.60791e-08 ) ergs/cm2
Time interval is from -19.360 sec. to 7.104 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.73652 ( -0.487048 0.552903 ) Epeak [keV] : 82.5220 ( -17.4804 64.4651 ) Norm@50keV : 9.62503E-03 ( -0.00415399 0.00872724 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 56.59 using 59 bins. Reduced chi-squared = 1.01054 # Null hypothesis probability of 4.53e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 26.46 sec: 0.478293 ( -0.034464 0.03443 ) ph/cm2/s Energy fluence (15-150 keV) : 9.41045e-07 ( -8.5742e-08 8.68057e-08 ) ergs/cm2
Time interval is from 0.220 sec. to 1.220 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.40289 ( -0.169199 0.168271 ) Norm@50keV : 1.36618E-02 ( -0.00153781 0.00153151 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 74.59 using 59 bins. Reduced chi-squared = 1.3086 # Null hypothesis probability of 5.89e-02 with 57 degrees of freedom Photon flux (15-150 keV) in 1 sec: 1.66490 ( -0.18193 0.182 ) ph/cm2/s Energy fluence (15-150 keV) : 1.31941e-07 ( -1.63936e-08 1.66149e-08 ) ergs/cm2
Time interval is from 0.220 sec. to 1.220 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 0.755416 ( -1.01545 1.34676 ) Epeak [keV] : 56.6132 ( -8.42759 15.0279 ) Norm@50keV : 0.210544 ( -0.210856 0.992786 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 57.70 using 59 bins. Reduced chi-squared = 1.03036 # Null hypothesis probability of 4.12e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 1 sec: 1.56315 ( -0.18484 0.1862 ) ph/cm2/s Energy fluence (15-150 keV) : 1.08883e-07 ( -1.68741e-08 1.8479e-08 ) ergs/cm2
T90 = N/A sec. Hardness ratio (energy fluence ratio) = N/A
S(15-50 keV) = N/A S(50-150 keV) = N/A
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 = -1.207106120989392E-01, IMY = 5.955634539474253E-02
Time interval of the image: -239.264000 -19.360000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6291 22.0059 1.6 53.4 9.5 7.1992 7.2 0.6 Crab 332.5040 57.8261 2.9 43.7 131.1 3.9779 4.0 ------ UNKNOWN 323.7671 57.4766 2.4 45.4 137.4 4.7195 4.7 ------ UNKNOWN 248.7316 45.8066 2.9 57.6 -165.4 5.2315 4.0 ------ UNKNOWN 175.9986 55.9388 3.2 32.6 -110.0 1.7869 3.6 ------ UNKNOWN
Time interval of the image: -19.360000 7.104000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.7423 21.9611 8.9 53.5 9.3 0.3549 1.3 6.9 Crab 268.2583 55.2001 2.8 50.0 177.9 0.7665 4.1 ------ UNKNOWN 129.8730 79.2186 0.5 7.7 -153.7 1.6570 23.1 ------ UNKNOWN 237.7426 42.4577 2.3 59.3 -155.5 2.2358 5.1 ------ UNKNOWN
Time interval of the image: 41.036600 622.236600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 355.9641 57.4708 2.5 40.7 95.7 7.6330 4.7 ------ UNKNOWN 277.6848 57.9601 3.2 41.6 157.3 3.8934 3.6 ------ UNKNOWN 265.5633 62.1002 3.1 36.4 165.6 2.7764 3.7 ------ UNKNOWN 240.5129 36.8428 2.9 57.6 -165.4 10.6867 4.0 ------ UNKNOWN 104.3884 25.8576 4.9 54.5 -19.6 4.0815 2.4 ------ UNKNOWN