====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sun Jan 19 16:31:31 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger352648 ====================================================================== Trigger: 00352648 Segment: 000 BAT Trigger Time: 264460141.184 [s; MET] Trigger Stop: 264460153.344 [s; MET] UTC: 2009-05-19T21:08:56.428660 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 142.292608313677 Dec: 0.182991992937532 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 8.61 Image Trigger?: NO Rate S/N Ratio: 13.6747943311773 [ if not an image trigger ] Image S/N Ratio: 8.61 Analysis Position: [ source = BAT ] RA: 142.292608313677 Dec: 0.182991992937532 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 142.309062770082 Dec: 0.185176383180289 [deg; J2000] { 09h 29m 14.2s , +00d 11' 06.6" } +/- 1.97870528261701 [arcmin] (estimated 90% radius based on SNR) +/- 0.781407827699815 [arcmin] (formal 1-sigma fit error) SNR: 11.4740513635122 Angular difference between the analysis and refined position is 0.995924 arcmin Partial Coding Fraction: 0.578125 [ including projection effects ] Duration T90: 58.0360000133514 +/- 8.18314682376177 Measured from: -10.863999992609 to: 47.1720000207424 [s; relative to TRIGTIME] T50: 26.0920000076294 +/- 12.8469646408324 Measured from: -4.24799999594688 to: 21.8440000116825 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -10.4039999842644 to: -9.40399998426437 [s; relative to TRIGTIME] Total Fluence Measured from: -12.3999999761581 to: 54.8880000114441 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.287525 0.518887 0.563350 0.230266 0.055707 0.057391 0.051980 0.046681 [error] Peak 0.010710 0.017326 0.034327 0.014305 0.006742 0.007244 0.006732 0.006399 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 67.288 -12.400 54.888 T90 58.036 -10.864 47.172 T50 26.092 -4.248 21.844 Peak 1.000 -10.404 -9.404 ====== 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 -0.852 -0.199 0.210 - - - 1.53e-03 -1.73e-04 1.70e-04 63.780 57 CPL -0.781 -0.272 0.519 995.501 -995.501 -995.501 1.65e-03 -2.77e-04 5.64e-05 64.020 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 -0.307 -0.564 0.721 - - - 4.61e-03 -1.84e-03 1.62e-03 46.240 57 CPL -0.199 -0.681 2.187 974.581 -974.581 -974.581 5.16e-03 -2.36e-03 -5.16e-03 46.420 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 7.20e-08 1.97e-07 4.38e-07 2.56e-06 1.18e-06 3.27e-06 erg/cm2 90%_error_low -1.73e-08 -2.92e-08 -4.87e-08 -6.37e-07 -1.31e-07 -6.58e-07 erg/cm2 90%_error_hi 1.89e-08 2.85e-08 4.82e-08 7.97e-07 1.32e-07 8.01e-07 erg/cm2 Peak flux PL 6.13e-02 1.27e-01 2.05e-01 7.42e-01 5.67e-01 1.14e+00 ph/cm2/s 90%_error_low -4.19e-02 -1.27e-01 -5.28e-02 -3.65e-01 -1.56e-01 -3.55e-01 ph/cm2/s 90%_error_hi 6.58e-02 6.79e-02 5.14e-02 6.58e-01 1.61e-01 5.62e-01 ph/cm2/s Fluence CPL 7.30e-08 1.97e-07 4.29e-07 2.72e-06 1.19e-06 3.23e-06 erg/cm2 90%_error_low -2.84e-08 -3.26e-08 N/A -1.43e-06 N/A -1.23e-06 erg/cm2 90%_error_hi 1.98e-08 3.26e-08 N/A 1.91e-07 N/A 3.68e-07 erg/cm2 Peak flux CPL 6.11e-02 1.27e-01 2.05e-01 7.31e-01 5.67e-01 1.18e+00 ph/cm2/s 90%_error_low N/A N/A N/A N/A -1.57e-01 -5.87e-01 ph/cm2/s 90%_error_hi N/A N/A N/A N/A 1.60e-01 5.00e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 142.3091 0.1852 0.0166 22.3988 75.1332 1.6790839 11.474 TRIG_00352648 Foreground time interval of the image: -12.400 54.888 (delta_t = 67.288 [sec]) Background time interval of the image: -100.683 -12.400 (delta_t = 88.283 [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 -12.400 sec. to 54.888 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.851553 ( -0.19913 0.210162 ) Norm@50keV : 1.53258E-03 ( -0.000173097 0.000170094 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 63.78 using 59 PHA bins. # Reduced chi-squared = 1.119 for 57 degrees of freedom # Null hypothesis probability = 2.502981e-01 Photon flux (15-150 keV) in 67.29 sec: 0.175922 ( -0.019452 0.019577 ) ph/cm2/s Energy fluence (15-150 keV) : 1.17992e-06 ( -1.31315e-07 1.31892e-07 ) ergs/cm2
Time interval is from -12.400 sec. to 54.888 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.844738 ( -0.272217 0.519396 ) Epeak [keV] : 1.00000E+04 ( -10000 -10000 ) Norm@50keV : 1.54295E-03 ( -0.000173613 0.000160214 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 63.80 using 59 PHA bins. # Reduced chi-squared = 1.139 for 56 degrees of freedom # Null hypothesis probability = 2.212563e-01 Photon flux (15-150 keV) in 67.29 sec: 0.175871 ( -0.019453 0.019534 ) ph/cm2/s Energy fluence (15-150 keV) : 1.18932e-06 ( 0 0 ) ergs/cm2
Time interval is from -10.404 sec. to -9.404 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.30749 ( -0.564186 0.720879 ) Norm@50keV : 4.60667E-03 ( -0.00184327 0.00162289 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 46.24 using 59 PHA bins. # Reduced chi-squared = 0.8113 for 57 degrees of freedom # Null hypothesis probability = 8.450420e-01 Photon flux (15-150 keV) in 1 sec: 0.567275 ( -0.156022 0.160547 ) ph/cm2/s Energy fluence (15-150 keV) : 6.85693e-08 ( -1.74423e-08 1.74231e-08 ) ergs/cm2
Time interval is from -10.404 sec. to -9.404 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.293086 ( -0.6814 2.18567 ) Epeak [keV] : 1.00000E+04 ( -10000 -10000 ) Norm@50keV : 4.64380E-03 ( -0.00184693 -0.00464544 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 46.26 using 59 PHA bins. # Reduced chi-squared = 0.8260 for 56 degrees of freedom # Null hypothesis probability = 8.201719e-01 Photon flux (15-150 keV) in 1 sec: 0.567351 ( -0.157025 0.160115 ) ph/cm2/s Energy fluence (15-150 keV) : 6.80754e-08 ( 0 0 ) ergs/cm2
T90 = 58.036 sec. Hardness ratio (energy fluence ratio) = 2.21676712101
S(15-50 keV) = 2.6943265e-07 S(50-150 keV) = 9.104804e-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 = 1.057455153147989E-01, IMY = -3.983484153796124E-01
Time interval of the image: -100.683400 -12.400000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6253 22.0064 1.4 41.2 -72.8 3.0824 8.2 0.7 Crab 135.5589 -40.5709 2.8 43.8 146.4 1.0272 4.1 1.7 Vela X-1 126.8493 5.1276 2.3 8.2 41.6 0.4775 5.1 ------ UNKNOWN 107.6359 14.9046 2.8 18.6 -56.5 0.4206 4.1 ------ UNKNOWN
Time interval of the image: -12.400000 54.888000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.5011 22.1388 0.0 41.4 -72.7 0.5821 1.4 10.5 Crab 135.6966 -40.5323 107.0 43.8 146.3 -0.0289 -0.1 7.8 Vela X-1 142.3091 0.1852 1.0 22.4 75.1 1.6792 11.5 ------ UNKNOWN 138.4355 41.5117 2.2 44.0 3.7 1.0667 5.2 ------ UNKNOWN 136.3281 55.8719 2.9 56.6 -5.4 2.2762 3.9 ------ UNKNOWN
Time interval of the image: 104.316590 962.861100 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.5667 -40.5687 0.7 41.2 168.0 14.1231 16.6 1.9 Vela X-1 150.6677 -13.0831 2.6 15.7 128.5 2.2942 4.4 ------ UNKNOWN 171.1154 49.6593 2.8 55.3 2.6 11.4742 4.1 ------ UNKNOWN 141.4419 -6.1069 2.4 6.4 167.8 2.4359 4.8 ------ UNKNOWN