====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sun Nov 23 17:40:00 EST 2014 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger618024 ====================================================================== Trigger: 00618024 Segment: 000 BAT Trigger Time: 437205008 [s; MET] Trigger Stop: 437205072 [s; MET] UTC: 2014-11-09T05:49:55.236180 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 144.507384595436 Dec: -0.601526628868278 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.73 Image Trigger?: YES Rate S/N Ratio: 0 [ if not an image trigger ] Image S/N Ratio: 7.73 Analysis Position: [ source = BAT ] RA: 144.507384595436 Dec: -0.601526628868278 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 144.507 Dec: -0.601526 [deg; J2000] { 09h 38m 01.7s , 00d -36' -5.5" } +/- 2.55123760927 [arcmin] (estimated 90% radius based on SNR) SNR: 7.98182995415 Angular difference between the analysis and refined position is 0.023074 arcmin Partial Coding Fraction: 0.6015625 [ including projection effects ] Duration T90: 200.187999904156 +/- 48.1482022400133 Measured from: 16.9200000166893 to: 217.107999920845 [s; relative to TRIGTIME] T50: 48.3439999818802 +/- 11.3944779637891 Measured from: 96.2879999876022 to: 144.631999969482 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 117.39200001955 to: 118.39200001955 [s; relative to TRIGTIME] Total Fluence Measured from: 0.596000015735626 to: 323.152000010014 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 2.980070 4.141428 3.178942 0.764430 0.114221 0.118789 0.103520 0.091623 [error] Peak 0.071700 0.111624 0.101028 0.036412 0.006945 0.007944 0.007228 0.005974 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 322.556 0.596 323.152 T90 200.188 16.920 217.108 T50 48.344 96.288 144.632 Peak 1.000 117.392 118.392 ====== 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 -1.510 -0.066 0.066 - - - 2.18e-03 -7.53e-05 7.52e-05 51.900 57 CPL -1.456 -0.085 0.246 512.002 -512.002 -512.002 2.31e-03 -3.60e-04 6.98e-04 51.760 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 -1.181 -0.129 0.130 - - - 2.06e-02 -1.49e-03 1.49e-03 51.180 57 CPL -1.134 -0.179 0.285 969.537 -969.537 -969.537 2.17e-02 -2.52e-03 6.86e-03 51.500 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 9.06e-07 1.66e-06 2.33e-06 6.85e-06 6.66e-06 1.17e-05 erg/cm2 90%_error_low -5.92e-08 -6.29e-08 -1.04e-07 -6.72e-07 -2.49e-07 -7.39e-07 erg/cm2 90%_error_hi 6.06e-08 6.27e-08 1.04e-07 7.23e-07 2.50e-07 7.80e-07 erg/cm2 Peak flux PL 6.25e-01 7.60e-01 6.71e-01 1.02e+00 2.41e+00 3.07e+00 ph/cm2/s 90%_error_low -8.60e-02 -6.45e-02 -5.78e-02 -1.77e-01 -1.78e-01 -2.40e-01 ph/cm2/s 90%_error_hi 8.95e-02 6.36e-02 5.73e-02 2.00e-01 1.78e-01 2.44e-01 ph/cm2/s Fluence CPL 8.96e-07 1.66e-06 2.33e-06 6.31e-06 6.63e-06 1.12e-05 erg/cm2 90%_error_low -7.31e-08 -6.51e-08 -1.07e-07 -1.89e-06 -2.82e-07 -1.90e-06 erg/cm2 90%_error_hi 6.12e-08 6.96e-08 1.11e-07 1.58e-06 2.57e-07 7.87e-07 erg/cm2 Peak flux CPL 6.31e-01 7.56e-01 6.65e-01 1.16e+00 2.42e+00 3.22e+00 ph/cm2/s 90%_error_low N/A -7.46e-02 N/A N/A -1.93e-01 -5.07e-01 ph/cm2/s 90%_error_hi N/A 8.25e-02 N/A N/A 1.63e-01 7.20e-02 ph/cm2/s ======================================================================
#RAcent DECcent POSerr Theta Phi Peak_Cts SNR Name 144.507 -0.602 0.000 22.337 70.049 0.663 7.982 TRIG_00618024 Image time interval: 0.000 to 64.000 [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 0.596 sec. to 323.152 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.50969 ( -0.0657611 0.0656952 ) Norm@50keV : 2.18047E-03 ( -7.52901e-05 7.51969e-05 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 51.90 using 59 PHA bins. # Reduced chi-squared = 0.9104 for 57 degrees of freedom # Null hypothesis probability = 6.664733e-01 Photon flux (15-150 keV) in 322.6 sec: 0.272931 ( -0.009954 0.009988 ) ph/cm2/s Energy fluence (15-150 keV) : 6.66337e-06 ( -2.4914e-07 2.50075e-07 ) ergs/cm2
Time interval is from 0.596 sec. to 323.152 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.45625 ( -0.0844678 0.246558 ) Epeak [keV] : 512.002 ( -536.195 -536.195 ) Norm@50keV : 2.31342E-03 ( -0.000359072 0.000699257 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 51.76 using 59 PHA bins. # Reduced chi-squared = 0.9243 for 56 degrees of freedom # Null hypothesis probability = 6.358710e-01 Photon flux (15-150 keV) in 322.6 sec: 0.271927 ( -0.010861 0.010305 ) ph/cm2/s Energy fluence (15-150 keV) : 6.63382e-06 ( -2.81614e-07 2.56899e-07 ) ergs/cm2
Time interval is from 117.392 sec. to 118.392 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.18091 ( -0.128912 0.130296 ) Norm@50keV : 2.05871E-02 ( -0.00148821 0.00148795 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 51.18 using 59 PHA bins. # Reduced chi-squared = 0.8979 for 57 degrees of freedom # Null hypothesis probability = 6.920649e-01 Photon flux (15-150 keV) in 1 sec: 2.41023 ( -0.17755 0.17779 ) ph/cm2/s Energy fluence (15-150 keV) : 2.10029e-07 ( -1.72454e-08 1.7376e-08 ) ergs/cm2
Time interval is from 117.392 sec. to 118.392 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.17668 ( -0.179116 0.285183 ) Epeak [keV] : 9999.33 ( -9999.34 -9999.34 ) Norm@50keV : 2.06883E-02 ( -0.00149473 0.00788347 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 51.21 using 59 PHA bins. # Reduced chi-squared = 0.9144 for 56 degrees of freedom # Null hypothesis probability = 6.564857e-01 Photon flux (15-150 keV) in 1 sec: 2.42476 ( -0.19256 0.16277 ) ph/cm2/s Energy fluence (15-150 keV) : 2.09952e-07 ( -1.72705e-08 1.7364e-08 ) ergs/cm2
T90 = 200.188 sec. Hardness ratio (energy fluence ratio) = 1.40478586226
S(15-50 keV) = 2.5620986e-06 S(50-150 keV) = 4.101351e-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 = 0.140201622092, IMY = -0.38623325455
Time interval of the image: -17.499410 0.596000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.6902 -40.4569 8.0 51.8 18.8 0.2976 1.5 9.4 Vela X-1 127.8659 15.3657 2.5 40.1 99.5 0.9227 4.6 ------ UNKNOWN 149.2154 53.4782 2.8 52.5 156.1 1.0301 4.2 ------ UNKNOWN 200.7789 46.4804 2.2 52.7 -161.9 0.6374 5.2 ------ UNKNOWN
Time interval of the image: 0.596000 73.900600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.4689 -40.4681 5.8 51.9 18.9 1.8138 2.0 5.9 Vela X-1 144.5581 -0.5858 1.8 22.3 70.1 1.7040 6.4 ------ UNKNOWN 181.7213 55.5027 3.0 53.9 179.6 2.7169 3.9 ------ UNKNOWN 213.8152 35.4277 2.5 54.4 -143.6 4.9608 4.6 ------ UNKNOWN
Time interval of the image: 118.300590 520.800680 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.5309 -40.5491 0.6 40.8 -6.3 9.7194 19.9 0.4 Vela X-1 144.5246 -0.6068 0.6 0.0 173.9 6.8833 20.0 ------ UNKNOWN 184.3653 47.0385 3.9 59.0 -166.2 6.9393 3.0 ------ UNKNOWN 167.8610 -6.9441 2.6 24.1 -91.0 1.8100 4.5 ------ UNKNOWN 184.7662 21.3466 2.8 45.0 -138.5 3.1592 4.1 ------ UNKNOWN 174.1213 -34.0324 2.8 43.4 -53.4 4.3099 4.1 ------ UNKNOWN