====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Tue Aug 15 14:48:25 EDT 2017 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger764204 ====================================================================== Trigger: 00764204 Segment: 000 BAT Trigger Time: 522550144 [s; MET] Trigger Stop: 522550208 [s; MET] UTC: 2017-07-24T00:48:44.583880 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 150.081345377704 Dec: -1.04756718482438 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 8.43 Image Trigger?: YES Rate S/N Ratio: 0 [ if not an image trigger ] Image S/N Ratio: 8.43 Analysis Position: [ source = BAT ] RA: 150.081345377704 Dec: -1.04756718482438 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 150.059986745671 Dec: -1.02641211043445 [deg; J2000] { 10h 00m 14.4s , -01d 01' 35.1" } +/- 2.3714513329908 [arcmin] (estimated 90% radius based on SNR) +/- 0.943849677733481 [arcmin] (formal 1-sigma fit error) SNR: 8.85898130146444 Angular difference between the analysis and refined position is 1.803575 arcmin Partial Coding Fraction: 0.5859375 [ including projection effects ] Duration T90: 98.9799999594688 +/- 20.7571577896258 Measured from: -39.7680000066757 to: 59.2119999527931 [s; relative to TRIGTIME] T50: 43.8759999275208 +/- 21.2041981897892 Measured from: 4.90799999237061 to: 48.7839999198914 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 35.9160000085831 to: 36.9160000085831 [s; relative to TRIGTIME] Total Fluence Measured from: -45.6439999938011 to: 63.6039999723434 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.492392 0.586664 0.498023 0.195087 0.072252 0.075177 0.065906 0.057768 [error] Peak 0.025161 0.014238 0.018288 0.012139 0.006775 0.007269 0.006504 0.005588 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 109.248 -45.644 63.604 T90 98.980 -39.768 59.212 T50 43.876 4.908 48.784 Peak 1.000 35.916 36.916 ====== 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 -1.466 -0.235 0.232 - - - 1.03e-03 -1.35e-04 1.34e-04 49.590 57 CPL -1.467 -0.233 0.420 9999.360 -9999.360 -9999.360 1.03e-03 -1.03e-03 1.33e-03 49.590 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 -2.431 -1.186 0.839 - - - 2.44e-03 -1.66e-03 1.74e-03 60.650 57 CPL -1.977 N/A N/A 2.980 N/A N/A 4.10e-03 N/A N/A 61.170 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 1.40e-07 2.62e-07 3.79e-07 1.17e-06 1.08e-06 1.95e-06 erg/cm2 90%_error_low -3.01e-08 -3.48e-08 -6.60e-08 -3.87e-07 -1.56e-07 -4.45e-07 erg/cm2 90%_error_hi 3.18e-08 3.44e-08 6.52e-08 5.02e-07 1.58e-07 5.41e-07 erg/cm2 Peak flux PL 2.48e-01 1.45e-01 5.37e-02 2.64e-02 4.60e-01 4.73e-01 ph/cm2/s 90%_error_low -1.09e-01 -7.08e-02 -4.10e-02 -2.64e-02 -1.68e-01 -1.77e-01 ph/cm2/s 90%_error_hi 1.07e-01 6.13e-02 5.81e-02 8.16e-02 1.68e-01 1.84e-01 ph/cm2/s Fluence CPL 1.41e-07 2.60e-07 3.77e-07 1.23e-06 1.08e-06 1.90e-06 erg/cm2 90%_error_low -3.58e-08 -3.56e-08 -6.88e-08 N/A -1.77e-07 -7.13e-07 erg/cm2 90%_error_hi 3.26e-08 4.20e-08 7.26e-08 N/A 1.66e-07 5.69e-07 erg/cm2 Peak flux CPL 2.28e-01 9.21e-02 2.31e-02 8.44e-03 3.48e-01 3.50e-01 ph/cm2/s 90%_error_low -1.13e-01 -9.21e-02 N/A -8.44e-03 N/A N/A ph/cm2/s 90%_error_hi 1.14e-01 1.06e-01 N/A 8.08e-02 N/A N/A ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 150.0600 -1.0264 0.0217 25.1525 -69.9172 1.7298344 8.859 TRIG_00764204 Foreground time interval of the image: -45.644 63.604 (delta_t = 109.248 [sec]) Background time interval of the image: -142.099 -45.644 (delta_t = 96.455 [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 -45.644 sec. to 63.604 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.46589 ( -0.235261 0.232317 ) Norm@50keV : 1.03374E-03 ( -0.000135119 0.000133781 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 49.59 using 59 PHA bins. # Reduced chi-squared = 0.8699 for 57 degrees of freedom # Null hypothesis probability = 7.466256e-01 Photon flux (15-150 keV) in 109.2 sec: 0.127907 ( -0.01633 0.016371 ) ph/cm2/s Energy fluence (15-150 keV) : 1.07729e-06 ( -1.56305e-07 1.58409e-07 ) ergs/cm2
Time interval is from -45.644 sec. to 63.604 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.46663 ( -0.233425 0.41941 ) Epeak [keV] : 9999.36 ( -9999.36 -9999.36 ) Norm@50keV : 1.03494E-03 ( -0.00103655 0.00132983 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 49.59 using 59 PHA bins. # Reduced chi-squared = 0.8855 for 56 degrees of freedom # Null hypothesis probability = 7.145532e-01 Photon flux (15-150 keV) in 109.2 sec: 0.128449 ( ) ph/cm2/s Energy fluence (15-150 keV) : 1.08219e-06 ( -1.76991e-07 1.66152e-07 ) ergs/cm2
Time interval is from 35.916 sec. to 36.916 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.43134 ( -1.18602 0.839175 ) Norm@50keV : 2.44186E-03 ( -0.00165887 0.00174075 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 60.65 using 59 PHA bins. # Reduced chi-squared = 1.064 for 57 degrees of freedom # Null hypothesis probability = 3.457547e-01 Photon flux (15-150 keV) in 1 sec: 0.460283 ( -0.167721 0.168181 ) ph/cm2/s Energy fluence (15-150 keV) : 2.39988e-08 ( -1.16763e-08 1.44648e-08 ) ergs/cm2
Time interval is from 35.916 sec. to 36.916 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 5.55447 ( ) Epeak [keV] : 22.1472 ( ) Norm@50keV : 4385.81 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 60.56 using 59 PHA bins. # Reduced chi-squared = 1.081 for 56 degrees of freedom # Null hypothesis probability = 3.148384e-01 Photon flux (15-150 keV) in 1 sec: 0.347527 ( ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
T90 = 98.98 sec. Hardness ratio (energy fluence ratio) = 1.44813854156
S(15-50 keV) = 4.015335e-07 S(50-150 keV) = 6.757476e-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 = 1.612335672968598E-01, IMY = 4.410025128998756E-01
Time interval of the image: -142.099400 -45.644000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.5591 -40.4085 6.0 19.0 149.6 0.2146 1.9 8.9 Vela X-1 170.1587 -60.7203 4.2 37.0 96.1 0.8786 2.7 7.4 Cen X-3 144.4993 -60.9050 2.3 35.0 117.1 1.1654 5.1 ------ UNKNOWN 102.7455 -2.8001 2.9 51.6 -139.6 2.3821 4.0 ------ UNKNOWN
Time interval of the image: -45.644000 63.604000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.4632 -40.5162 40.9 19.2 149.5 -0.0461 -0.3 3.8 Vela X-1 170.1661 -60.7250 7.8 37.0 96.1 -0.6214 -1.5 7.5 Cen X-3 176.2876 -35.0278 2.1 23.6 50.0 0.9103 5.6 ------ UNKNOWN 191.7959 0.9200 2.3 47.9 -6.1 1.4430 5.0 ------ UNKNOWN 101.3289 -24.3953 2.4 44.5 -167.2 1.2954 4.8 ------ UNKNOWN 150.0600 -1.0264 1.3 25.2 -69.9 1.7294 8.9 ------ UNKNOWN
Time interval of the image: 721.400610 963.099800 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.3187 -40.4508 13.7 22.0 -75.1 -0.2177 -0.8 11.4 Vela X-1 170.2590 -60.6507 2.3 14.8 30.1 1.0831 5.0 2.4 Cen X-3 186.3927 -62.6959 63.8 21.4 44.7 -0.0381 -0.2 8.5 GX 301-2 11.4846 -66.0316 3.1 46.0 139.1 2.9158 3.7 ------ UNKNOWN 212.4530 -33.8200 2.7 52.9 26.0 4.6353 4.3 ------ UNKNOWN