====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Wed Jan 22 18:10:56 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger200638 ====================================================================== Trigger: 00200638 Segment: 000 BAT Trigger Time: 163298951.68 [s; MET] Trigger Stop: 163298952.704 [s; MET] UTC: 2006-03-06T00:49:10.626240 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 41.098878206475 Dec: -2.15303951917031 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 19.98 Image Trigger?: NO Rate S/N Ratio: 60.7618301238533 [ if not an image trigger ] Image S/N Ratio: 19.98 Analysis Position: [ source = BAT ] RA: 41.098878206475 Dec: -2.15303951917031 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 41.0981070281877 Dec: -2.16283013767294 [deg; J2000] { 02h 44m 23.5s , -02d 09' 46.2" } +/- 1.04600535303472 [arcmin] (estimated 90% radius based on SNR) +/- 0.47078252953716 [arcmin] (formal 1-sigma fit error) SNR: 28.5241557032444 Angular difference between the analysis and refined position is 0.589254 arcmin Partial Coding Fraction: 0.5 [ including projection effects ] Duration T90: 60.9399999976158 +/- 3.36301769178435 Measured from: -0.872000008821487 to: 60.0679999887943 [s; relative to TRIGTIME] T50: 42.8040000200272 +/- 0.631404789502995 Measured from: 0.607999980449677 to: 43.4120000004768 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 0.183999985456467 to: 1.18399998545647 [s; relative to TRIGTIME] Total Fluence Measured from: -1.35199999809265 to: 66.919999986887 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 1.084990 1.403422 0.884060 0.188634 0.054699 0.057566 0.050950 0.045636 [error] Peak 0.158102 0.270729 0.225059 0.057147 0.010502 0.012150 0.011414 0.008273 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 68.272 -1.352 66.920 T90 60.940 -0.872 60.068 T50 42.804 0.608 43.412 Peak 1.000 0.184 1.184 ====== 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 -1.758 -0.091 0.090 - - - 3.42e-03 -1.82e-04 1.81e-04 65.950 57 CPL -1.254 -0.385 0.427 69.380 -13.665 69.062 6.30e-03 -2.30e-03 4.20e-03 60.820 56 === 1-s peak spectral analysis === (Best model with acceptable fit: CPL) 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 -1.388 -0.085 0.085 - - - 4.97e-02 -2.56e-03 2.56e-03 72.580 57 CPL -0.819 -0.353 0.383 111.534 -25.349 90.544 9.31e-02 -2.94e-02 4.74e-02 64.670 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 3.80e-07 5.96e-07 7.05e-07 1.62e-06 2.15e-06 3.30e-06 erg/cm2 90%_error_low -3.08e-08 -3.01e-08 -5.05e-08 -2.32e-07 -1.18e-07 -2.77e-07 erg/cm2 90%_error_hi 3.15e-08 3.00e-08 5.06e-08 2.56e-07 1.19e-07 2.96e-07 erg/cm2 Peak flux PL 1.84e+00 1.98e+00 1.51e+00 1.89e+00 6.04e+00 7.22e+00 ph/cm2/s 90%_error_low -1.68e-01 -1.15e-01 -9.17e-02 -2.24e-01 -3.22e-01 -3.75e-01 ph/cm2/s 90%_error_hi 1.73e-01 1.14e-01 9.12e-02 2.41e-01 3.23e-01 3.76e-01 ph/cm2/s Fluence CPL 3.52e-07 6.27e-07 7.12e-07 7.55e-07 2.05e-06 2.45e-06 erg/cm2 90%_error_low -3.68e-08 -3.81e-08 -5.45e-08 -3.09e-07 -1.39e-07 -3.41e-07 erg/cm2 90%_error_hi 3.73e-08 3.88e-08 5.45e-08 5.70e-07 1.39e-07 5.79e-07 erg/cm2 Peak flux CPL 1.63e+00 2.07e+00 1.61e+00 1.10e+00 5.92e+00 6.41e+00 ph/cm2/s 90%_error_low -2.05e-01 -1.31e-01 -1.11e-01 -3.01e-01 -3.31e-01 -4.58e-01 ph/cm2/s 90%_error_hi 2.11e-01 1.33e-01 1.13e-01 4.30e-01 3.31e-01 5.27e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 41.0981 -2.1628 0.0067 40.8715 -164.2708 1.9746467 28.524 TRIG_00200638 Foreground time interval of the image: -1.352 15.021 (delta_t = 16.373 [sec]) Background time interval of the image: -299.680 -1.352 (delta_t = 298.328 [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 -1.352 sec. to 66.920 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.75833 ( -0.0914572 0.0903316 ) Norm@50keV : 3.41591E-03 ( -0.000182041 0.000180982 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 65.95 using 59 PHA bins. # Reduced chi-squared = 1.157 for 57 degrees of freedom # Null hypothesis probability = 1.949467e-01 Photon flux (15-150 keV) in 68.27 sec: 0.463337 ( -0.023694 0.023733 ) ph/cm2/s Energy fluence (15-150 keV) : 2.15119e-06 ( -1.18183e-07 1.18931e-07 ) ergs/cm2
Time interval is from -1.352 sec. to 66.920 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.25447 ( -0.384544 0.426583 ) Epeak [keV] : 69.3800 ( -13.6638 69.0629 ) Norm@50keV : 6.29540E-03 ( -0.00230502 0.00419765 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 60.82 using 59 PHA bins. # Reduced chi-squared = 1.086 for 56 degrees of freedom # Null hypothesis probability = 3.064240e-01 Photon flux (15-150 keV) in 68.27 sec: 0.450694 ( -0.025532 0.025513 ) ph/cm2/s Energy fluence (15-150 keV) : 2.05381e-06 ( -1.39155e-07 1.39401e-07 ) ergs/cm2
Time interval is from 0.184 sec. to 1.184 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.38761 ( -0.0853585 0.0851773 ) Norm@50keV : 4.97478E-02 ( -0.00255769 0.00255696 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 72.58 using 59 PHA bins. # Reduced chi-squared = 1.273 for 57 degrees of freedom # Null hypothesis probability = 7.993151e-02 Photon flux (15-150 keV) in 1 sec: 6.04164 ( -0.32231 0.32272 ) ph/cm2/s Energy fluence (15-150 keV) : 4.81992e-07 ( -2.67944e-08 2.687e-08 ) ergs/cm2
Time interval is from 0.184 sec. to 1.184 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.818999 ( -0.352749 0.382876 ) Epeak [keV] : 111.534 ( -25.3485 90.5436 ) Norm@50keV : 9.30952E-02 ( -0.0293755 0.0473682 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 64.67 using 59 PHA bins. # Reduced chi-squared = 1.155 for 56 degrees of freedom # Null hypothesis probability = 1.997976e-01 Photon flux (15-150 keV) in 1 sec: 5.91524 ( -0.33119 0.33149 ) ph/cm2/s Energy fluence (15-150 keV) : 4.69678e-07 ( -2.84836e-08 2.83572e-08 ) ergs/cm2
T90 = 60.94 sec. Hardness ratio (energy fluence ratio) = 1.18241537002
S(15-50 keV) = 9.758241e-07 S(50-150 keV) = 1.1753772e-06
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 = -8.329529531271376E-01, IMY = 2.345904532161560E-01
Time interval of the image: -299.680000 -1.352000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 328.5110 52.3921 2.5 47.4 -26.1 1.8385 4.7 ------ UNKNOWN 13.4967 20.0521 2.4 26.6 -103.4 1.3460 4.9 ------ UNKNOWN 309.4889 55.2458 3.0 57.4 -18.7 3.1935 3.9 ------ UNKNOWN 349.2306 28.5827 2.9 39.6 -66.2 2.5525 4.0 ------ UNKNOWN
Time interval of the image: -1.352000 15.020600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 41.0981 -2.1628 0.4 40.9 -164.3 1.9746 28.5 ------ UNKNOWN 353.8817 34.0637 2.3 33.8 -60.4 0.3648 5.1 ------ UNKNOWN 354.0223 18.6402 2.2 41.2 -82.8 0.9321 5.4 ------ UNKNOWN
Time interval of the image: 76.620590 302.461700 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 15.7641 -12.7100 2.7 27.2 -108.5 0.9210 4.3 ------ UNKNOWN 8.8909 2.5056 2.6 32.5 -76.4 1.1738 4.4 554.1 UNKNOWN