====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Mon Jan 20 11:39:01 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger259803 ====================================================================== Trigger: 00259803 Segment: 000 BAT Trigger Time: 192684823.7 [s; MET] Trigger Stop: 192684823.764 [s; MET] UTC: 2007-02-09T03:33:41.947620 [includes UTCF correction] Where From?: (*SHORT BURST*) TDRSS scaled map message BAT RA: 46.2373180663858 Dec: -47.3701637771961 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 9.09 Image Trigger?: NO Rate S/N Ratio: 18.7082869338697 [ if not an image trigger ] Image S/N Ratio: 9.09 Analysis Position: [ source = BAT ] RA: 46.2373180663858 Dec: -47.3701637771961 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 46.2356727640698 Dec: -47.3879774457012 [deg; J2000] { 03h 04m 56.6s , -47d 23' 16.7" } +/- 2.23019232054842 [arcmin] (estimated 90% radius based on SNR) +/- 1.23588743999531 [arcmin] (formal 1-sigma fit error) SNR: 9.67133662802762 Angular difference between the analysis and refined position is 1.070908 arcmin Partial Coding Fraction: 0.8515625 [ including projection effects ] Duration T90: 0.0680000185966492 +/- 0.0178885400881622 Measured from: 0.00400000810623169 to: 0.0720000267028809 [s; relative to TRIGTIME] T50: 0.0399999916553497 +/- 0.0144221930009071 Measured from: 0.0120000243186951 to: 0.0520000159740448 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -0.456000000238419 to: 0.543999999761581 [s; relative to TRIGTIME] Total Fluence Measured from: 0 to: 0.0840000212192535 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.004553 0.015038 0.013616 0.003367 0.001905 0.002150 0.002159 0.001673 [error] Peak 0.004979 0.019734 0.014379 0.001473 0.005432 0.005501 0.004871 0.004135 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 0.084 0.000 0.084 T90 0.068 0.004 0.072 T50 0.040 0.012 0.052 Peak 1.000 -0.456 0.544 ====== 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 -1.306 -0.239 0.235 - - - 2.46e-02 -4.49e-03 4.49e-03 59.820 57 CPL 0.555 -1.105 1.537 81.377 -17.784 37.023 1.69e-01 -1.69e-01 6.51e-01 50.430 56 === 1-s peak 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 -1.100 -0.541 0.603 - - - 3.18e-03 -1.06e-03 1.05e-03 53.720 57 CPL 0.022 -6.839 4.577 95.472 -44.193 -95.472 1.09e-02 -1.09e-02 1.89e+00 53.100 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 2.20e-09 4.55e-09 7.36e-09 2.67e-08 2.04e-08 4.08e-08 erg/cm2 90%_error_low -6.05e-10 -9.06e-10 -1.49e-09 -9.08e-09 -3.87e-09 -1.06e-08 erg/cm2 90%_error_hi 6.50e-10 8.98e-10 1.47e-09 1.09e-08 3.87e-09 1.19e-08 erg/cm2 Peak flux PL 8.92e-02 1.14e-01 1.06e-01 1.74e-01 3.68e-01 4.84e-01 ph/cm2/s 90%_error_low -5.13e-02 -4.73e-02 -3.80e-02 -1.01e-01 -1.26e-01 -1.60e-01 ph/cm2/s 90%_error_hi 6.39e-02 4.58e-02 3.73e-02 1.66e-01 1.27e-01 1.71e-01 ph/cm2/s Fluence CPL 1.45e-09 5.45e-09 9.93e-09 7.23e-09 2.16e-08 2.41e-08 erg/cm2 90%_error_low -6.47e-10 -1.15e-09 -2.20e-09 -4.56e-09 -4.33e-09 -6.07e-09 erg/cm2 90%_error_hi 7.47e-10 1.19e-09 2.30e-09 8.01e-09 4.23e-09 8.07e-09 erg/cm2 Peak flux CPL 7.03e-02 1.24e-01 1.18e-01 6.32e-02 3.54e-01 3.75e-01 ph/cm2/s 90%_error_low -7.03e-02 -5.45e-02 -4.47e-02 -6.32e-02 -1.30e-01 -1.50e-01 ph/cm2/s 90%_error_hi 7.43e-02 6.06e-02 4.80e-02 1.56e-01 1.31e-01 2.05e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 46.2357 -47.3880 0.0198 26.7281 -1.4857 0.0377199 9.671 TRIG_00259803 Foreground time interval of the image: 0.000 0.084 (delta_t = 0.084 [sec]) Background time interval of the image: -239.700 0.000 (delta_t = 239.700 [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 0.000 sec. to 0.084 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.30587 ( -0.238983 0.234633 ) Norm@50keV : 2.45562E-02 ( -0.00448936 0.00448908 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 59.82 using 59 PHA bins. # Reduced chi-squared = 1.049 for 57 degrees of freedom # Null hypothesis probability = 3.738291e-01 Photon flux (15-150 keV) in 0.084 sec: 2.93271 ( -0.55246 0.55376 ) ph/cm2/s Energy fluence (15-150 keV) : 2.03577e-08 ( -3.87121e-09 3.87483e-09 ) ergs/cm2
Time interval is from 0.000 sec. to 0.084 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 0.554925 ( -1.10469 1.53749 ) Epeak [keV] : 81.3767 ( -17.7843 37.0229 ) Norm@50keV : 0.168754 ( -0.168754 0.650865 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.43 using 59 PHA bins. # Reduced chi-squared = 0.9004 for 56 degrees of freedom # Null hypothesis probability = 6.850107e-01 Photon flux (15-150 keV) in 0.084 sec: 2.99112 ( -0.54711 0.55046 ) ph/cm2/s Energy fluence (15-150 keV) : 2.16112e-08 ( -4.32618e-09 4.22684e-09 ) ergs/cm2
Time interval is from -0.456 sec. to 0.544 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.09982 ( -0.540941 0.602846 ) Norm@50keV : 3.17555E-03 ( -0.00106288 0.00105175 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 53.72 using 59 PHA bins. # Reduced chi-squared = 0.9425 for 57 degrees of freedom # Null hypothesis probability = 5.988853e-01 Photon flux (15-150 keV) in 1 sec: 0.368342 ( -0.125843 0.12747 ) ph/cm2/s Energy fluence (15-150 keV) : 3.32063e-08 ( -1.14643e-08 1.16496e-08 ) ergs/cm2
Time interval is from -0.456 sec. to 0.544 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 0.0223411 ( -6.84006 4.57622 ) Epeak [keV] : 95.4720 ( -44.1557 -95.4347 ) Norm@50keV : 1.09417E-02 ( -0.0109526 1.89188 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 53.10 using 59 PHA bins. # Reduced chi-squared = 0.9483 for 56 degrees of freedom # Null hypothesis probability = 5.852108e-01 Photon flux (15-150 keV) in 1 sec: 0.353604 ( -0.129619 0.131479 ) ph/cm2/s Energy fluence (15-150 keV) : 3.08305e-08 ( -1.29903e-08 1.28161e-08 ) ergs/cm2
T90 = 0.06800002 sec. Hardness ratio (energy fluence ratio) = 1.61819173791
S(15-50 keV) = 6.741616e-09 S(50-150 keV) = 1.3616557e-08
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 = 5.033938484930026E-01, IMY = 1.305644198141932E-02
Time interval of the image: -239.700000 0.000000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.4811 -60.5219 3.5 42.9 129.7 1.9647 3.3 7.8 Cen X-3 186.7919 -62.6890 14.0 42.6 141.5 0.3725 0.8 6.1 GX 301-2 264.4847 -44.4165 4.5 57.1 -159.4 2.1709 2.6 11.2 4U 1735-44 90.3937 -40.1253 2.7 42.5 50.4 2.6757 4.3 ------ UNKNOWN 117.0550 -60.0443 2.5 32.1 90.4 1.4524 4.5 ------ UNKNOWN 67.2324 -35.7503 3.3 41.2 22.3 1.0205 3.4 ------ UNKNOWN 239.1698 -48.3236 2.7 56.9 179.3 4.2897 4.4 ------ UNKNOWN 28.7215 -68.2676 2.6 5.5 -40.0 0.7238 4.5 ------ UNKNOWN 255.6829 -48.8123 1.8 54.3 -167.8 3.6208 6.3 ------ UNKNOWN 280.7204 -42.7562 4.3 55.3 -145.3 2.7698 2.7 ------ UNKNOWN
Time interval of the image: 0.000000 0.084000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.2030 -60.7772 0.0 42.6 129.6 0.0281 2.2 9.8 Cen X-3 186.4182 -62.7170 8.5 42.6 141.3 -0.0131 -1.3 7.3 GX 301-2 264.6744 -44.4452 5.6 57.0 -159.2 0.0319 2.1 3.0 4U 1735-44 104.9952 -46.6174 3.1 40.6 69.0 0.0530 3.7 ------ UNKNOWN 46.2358 -47.3880 1.2 26.7 -1.5 0.0377 9.7 ------ UNKNOWN 357.2513 -43.4822 2.1 34.4 -70.4 0.0364 5.6 ------ UNKNOWN
Time interval of the image: 61.400600 962.389100 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 47.7286 5.1762 2.3 52.6 7.6 6.9004 5.0 ------ UNKNOWN 204.6889 -74.8661 4.8 56.9 179.2 6.8708 2.4 ------ UNKNOWN 231.9861 -80.9646 4.0 51.6 -173.1 3.5170 2.9 ------ UNKNOWN