====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Fri Jan 17 19:44:54 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger412982 ====================================================================== Trigger: 00412982 Segment: 000 BAT Trigger Time: 288285352 [s; MET] Trigger Stop: 288285416 [s; MET] UTC: 2010-02-19T15:15:46.455360 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 154.220640694763 Dec: -12.559076333116 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.44 Image Trigger?: YES Rate S/N Ratio: 0 [ if not an image trigger ] Image S/N Ratio: 7.44 Analysis Position: [ source = BAT ] RA: 154.220640694763 Dec: -12.559076333116 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 154.185828031436 Dec: -12.5637164236549 [deg; J2000] { 10h 16m 44.6s , -12d 33' 49.4" } +/- 2.23183072667931 [arcmin] (estimated 90% radius based on SNR) +/- 1.20648166159209 [arcmin] (formal 1-sigma fit error) SNR: 9.66119563606363 Angular difference between the analysis and refined position is 2.057683 arcmin Partial Coding Fraction: 0.7109375 [ including projection effects ] Duration T90: 27.5719999670982 +/- 8.64985226233539 Measured from: 20.1159999966621 to: 47.6879999637604 [s; relative to TRIGTIME] T50: 13.2919999361038 +/- 6.21360185442746 Measured from: 22.7919999957085 to: 36.0839999318123 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 31.8920000195503 to: 32.8920000195503 [s; relative to TRIGTIME] Total Fluence Measured from: 12.7879999876022 to: 51.8199999928474 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.146150 0.286497 0.216678 0.039743 0.034302 0.035392 0.031521 0.027488 [error] Peak 0.010795 0.020475 0.014503 0.004640 0.005442 0.005671 0.005044 0.004274 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 39.032 12.788 51.820 T90 27.572 20.116 47.688 T50 13.292 22.792 36.084 Peak 1.000 31.892 32.892 ====== 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 -1.330 -0.250 0.252 - - - 1.21e-03 -1.77e-04 1.77e-04 73.480 57 CPL -0.890 -0.644 1.090 129.147 -129.147 -129.147 2.01e-03 N/A N/A 72.780 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 -1.426 -0.612 0.631 - - - 3.28e-03 -1.12e-03 1.09e-03 69.490 57 CPL -1.435 -0.603 0.646 9999.350 -9999.350 -9999.350 3.27e-03 -3.27e-03 1.82e-01 69.490 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 5.16e-08 1.05e-07 1.67e-07 5.92e-07 4.65e-07 9.16e-07 erg/cm2 90%_error_low -1.28e-08 -1.67e-08 -3.06e-08 -2.04e-07 -7.54e-08 -2.31e-07 erg/cm2 90%_error_hi 1.37e-08 1.64e-08 3.03e-08 2.69e-07 7.64e-08 2.85e-07 erg/cm2 Peak flux PL 1.26e-01 1.32e-01 9.84e-02 1.18e-01 4.02e-01 4.75e-01 ph/cm2/s 90%_error_low -6.72e-02 -4.80e-02 -4.20e-02 -7.75e-02 -1.33e-01 -1.59e-01 ph/cm2/s 90%_error_hi 7.61e-02 4.58e-02 4.11e-02 1.44e-01 1.33e-01 1.64e-01 ph/cm2/s Fluence CPL 4.77e-08 1.10e-07 1.73e-07 3.13e-07 4.50e-07 6.44e-07 erg/cm2 90%_error_low -1.50e-08 -1.93e-08 -3.31e-08 -2.21e-07 -8.28e-08 -2.37e-07 erg/cm2 90%_error_hi 1.56e-08 2.03e-08 3.41e-08 5.30e-07 8.22e-08 3.72e-07 erg/cm2 Peak flux CPL 1.30e-01 1.30e-01 9.71e-02 1.18e-01 4.03e-01 4.78e-01 ph/cm2/s 90%_error_low N/A -4.82e-02 -4.08e-02 N/A -1.34e-01 -1.93e-01 ph/cm2/s 90%_error_hi N/A 5.13e-02 4.30e-02 N/A 1.32e-01 1.48e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 154.1858 -12.5637 0.0199 25.4314 32.2792 0.6543365 9.661 TRIG_00412982 Foreground time interval of the image: 12.788 51.820 (delta_t = 39.032 [sec]) Background time interval of the image: -239.000 12.788 (delta_t = 251.788 [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 12.788 sec. to 51.820 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.33005 ( -0.250274 0.252181 ) Norm@50keV : 1.21333E-03 ( -0.000177329 0.000176939 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 73.48 using 59 PHA bins. # Reduced chi-squared = 1.289 for 57 degrees of freedom # Null hypothesis probability = 6.986298e-02 Photon flux (15-150 keV) in 39.03 sec: 0.145587 ( -0.021543 0.021589 ) ph/cm2/s Energy fluence (15-150 keV) : 4.64683e-07 ( -7.53529e-08 7.63556e-08 ) ergs/cm2
Time interval is from 12.788 sec. to 51.820 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.890499 ( -0.643679 1.08997 ) Epeak [keV] : 129.147 ( -129.146 -129.146 ) Norm@50keV : 2.00696E-03 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 72.78 using 59 PHA bins. # Reduced chi-squared = 1.300 for 56 degrees of freedom # Null hypothesis probability = 6.524765e-02 Photon flux (15-150 keV) in 39.03 sec: 0.142938 ( -0.022235 0.022237 ) ph/cm2/s Energy fluence (15-150 keV) : 4.49633e-07 ( -8.27834e-08 8.22405e-08 ) ergs/cm2
Time interval is from 31.892 sec. to 32.892 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.42603 ( -0.611933 0.630705 ) Norm@50keV : 3.27851E-03 ( -0.00112355 0.00109226 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 69.49 using 59 PHA bins. # Reduced chi-squared = 1.219 for 57 degrees of freedom # Null hypothesis probability = 1.240238e-01 Photon flux (15-150 keV) in 1 sec: 0.401692 ( -0.132539 0.132878 ) ph/cm2/s Energy fluence (15-150 keV) : 3.15195e-08 ( -1.16531e-08 1.21321e-08 ) ergs/cm2
Time interval is from 31.892 sec. to 32.892 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.43525 ( -0.604289 0.644794 ) Epeak [keV] : 9999.35 ( -9999.36 -9999.36 ) Norm@50keV : 3.26866E-03 ( -0.00328429 0.18245 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 69.49 using 59 PHA bins. # Reduced chi-squared = 1.241 for 56 degrees of freedom # Null hypothesis probability = 1.062544e-01 Photon flux (15-150 keV) in 1 sec: 0.402668 ( -0.133723 0.13219 ) ph/cm2/s Energy fluence (15-150 keV) : 3.18105e-08 ( -1.45501e-08 8.30941e-09 ) 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 = 4.020194749823532E-01, IMY = -2.539418011358059E-01
Time interval of the image: -239.000000 12.788000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 136.8581 -32.5822 2.6 51.0 31.1 3.6704 4.5 ------ UNKNOWN 150.2170 59.6362 2.5 53.9 163.2 3.9159 4.6 ------ UNKNOWN 177.6826 54.3326 2.3 47.0 -178.3 1.6127 5.1 ------ UNKNOWN 206.6066 -19.2657 2.8 45.4 -57.8 3.0501 4.1 ------ UNKNOWN
Time interval of the image: 12.788000 51.820000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 154.1858 -12.5637 1.2 25.4 32.3 0.6545 9.7 ------ UNKNOWN 198.8545 40.6955 2.5 42.0 -151.1 0.4300 4.7 ------ UNKNOWN
Time interval of the image: 159.700600 963.050000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.5488 -40.5591 0.7 32.5 -59.7 11.0134 17.6 1.0 Vela X-1 96.5481 -17.3416 2.7 55.7 -9.2 5.8147 4.3 ------ UNKNOWN 205.3646 -37.3810 3.9 51.8 -138.6 5.8675 3.0 ------ UNKNOWN 187.4622 -47.1794 3.0 44.5 -118.8 6.5366 3.9 ------ UNKNOWN