Reading data... Number of class A acceptance cones: 25 Setting up energy bins... EGRET SOURCE OBSERVATION Start time: 8- 5-90 6:23:52 Stop time: 8-19-90 6:23:51 Source celestial position: Right ascension: 200.21 Declination: 20.28 Reading photons... Reading response matrix... Reading background... Rescaling bins... Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [counts] Bin High edge Meas. Counts Background Source Estimate C ------- 2816 2227.7 588.3 1 26. 161 137.8 23.2 2 35. 336 265.6 70.4 3 46. 672 479.0 193.0 4 60. 886 653.7 232.3 5 80. 1016 617.0 399.0 6 105. 801 455.6 345.4 7 138. 639 303.2 335.8 8 182. 481 191.0 290.0 9 240. 351 116.0 235.0 10 317. 262 68.2 193.8 11 418. 199 38.8 160.2 12 551. 166 21.5 144.5 13 726. 95 11.7 83.3 14 957. 71 6.3 64.7 15 1262. 77 3.4 73.6 16 1664. 43 1.8 41.2 17 2193. 27 1.0 26.0 18 2891. 24 0.5 23.5 19 3811. 14 0.3 13.7 20 5024. 12 0.1 11.9 21 6623. 9 0.1 8.9 22 8730. 5 0.0 5.0 23 11509. 5 0.0 5.0 24 15172. 3 0.0 3.0 25 20000. 4 0.0 4.0 Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [param] FIT PARAMETERS Form of spectrum: straight Guess for power-law slope: 2.00 Number of lines: 0 Bins used in analysis: 0 - 25 of 25 Extra iterations: 1 Automatic normalization Options: <F>orm,<S>lope,<N>umber of lines,<L>ine energies,<D>ata bins, <B>reak energy,<I>terations,<A>utonorm,<E>norm,<H>elp,<Q>uit options. Choose option-> [quit] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [fit] LEAST-SQUARES FIT TO DATA Analyzing data... ITERATION 0: Estimate of alpha: 2.0705 Error on alpha: 0.0196 Flux at 227. MeV: 5.317E-09 Error on that flux: 1.185E-10 Flux at 1 MeV (I): 4.021E-04 Correlation coefficient: 0.00 Reduced chi-squared: 0.89 Degrees of freedom: 24 Hit <cr> when ready. [cr] ITERATION 1: Estimate of alpha: 2.0619 Error on alpha: 0.0209 Flux at 234. MeV: 5.059E-09 Error on that flux: 1.214E-10 Flux at 1 MeV (I): 3.871E-04 Correlation coefficient: 0.00 Reduced chi-squared: 1.05 Degrees of freedom: 24 Hit <cr> when ready. [cr] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: d * = measured counts; + = model counts; # = both BIN ENERGY SOURCE MODEL +---------+---------+---------+---------+ 0 20. 588.33 553.55 | +* 1 26. 23.17 24.80 | # | 2 35. 70.41 64.02 | +* | 3 46. 193.05 153.38 | #| 4 60. 232.30 280.23 | *+ 5 80. 399.01 359.52 | # 6 105. 345.37 366.28 | *+| 7 138. 335.80 338.13 | # | 8 182. 290.02 296.06 | # | 9 240. 234.98 250.15 | # | 10 317. 193.81 204.52 | # | 11 418. 160.18 161.98 | # | 12 551. 144.48 125.09 | # | 13 726. 83.28 94.86 | *+ | 14 957. 64.70 71.07 | *+ | 15 1262. 73.63 52.94 | + * | 16 1664. 41.20 39.51 | +* | 17 2193. 26.04 29.49 | # | 18 2891. 23.48 21.99 | # | 19 3811. 13.72 16.41 | *+ | 20 5024. 11.85 12.25 | # | 21 6623. 8.92 9.17 | # | 22 8730. 4.96 6.88 | *+ | 23 11509. 4.98 5.00 | # | 24 15172. 2.99 3.19 | # | 25 20000. 3.99 1.86 + * | +---------+---------+---------+---------+ Hit <cr> when ready. [cr] * = (OBSERVED COUNTS - MODEL) normalized to unit variance BIN ENERGY CHI CHI^2 +---------+---------+---------+---------+ 0 20. 0.66 0.43 | | * | 1 26. -0.13 0.02 | *| | 2 35. 0.35 0.12 | | * | 3 46. 1.58 2.49 | | * | 4 60. -1.57 2.46 | * | | 5 80. 1.26 1.60 | | * | 6 105. -0.73 0.53 | * | | 7 138. -0.09 0.01 | *| | 8 182. -0.27 0.08 | * | | 9 240. -0.80 0.63 | * | | 10 317. -0.65 0.42 | * | | 11 418. -0.13 0.02 | *| | 12 551. 1.61 2.60 | | * | 13 726. -1.13 1.28 | * | | 14 957. -0.73 0.53 | * | | 15 1262. 2.79 7.76 | | * 16 1664. 0.27 0.07 | | * | 17 2193. -0.63 0.40 | * | | 18 2891. 0.32 0.10 | | * | 19 3811. -0.67 0.44 | * | | 20 5024. -0.12 0.01 | *| | 21 6623. -0.08 0.01 | *| | 22 8730. -0.75 0.56 | * | | 23 11509. -0.01 0.00 | * | 24 15172. -0.11 0.01 | *| | 25 20000. 1.60 2.55 | | * | +---------+---------+---------+---------+ Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [rebin] <R>escale, <C>ombine, or <Q>uit? [combine] First bin to combine: [24] Last bin to combine: [25] Combining bins... <R>escale, <C>ombine, or <Q>uit? [c] First bin to combine: [22] Last bin to combine: [23] Combining bins... <R>escale, <C>ombine, or <Q>uit? [q] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [p] FIT PARAMETERS Form of spectrum: straight Guess for power-law slope: 2.06 Number of lines: 0 Bins used in analysis: 0 - 23 of 23 Extra iterations: 1 Automatic normalization Options: <F>orm,<S>lope,<N>umber of lines,<L>ine energies,<D>ata bins, <B>reak energy,<I>terations,<A>utonorm,<E>norm,<H>elp,<Q>uit options. Choose option-> [n] Number of lines (present value = 0) -->[1] Choose option-> [l] Energy of line 1 -->[1200] Choose option-> [auto] User-specified normalization. Choose option-> [enorm] Normalization energy (present value = 234.) -->[200] Choose option-> [q] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [f] LEAST-SQUARES FIT TO DATA Analyzing data... ITERATION 0: Estimate of alpha: 2.0884 Error on alpha: 0.0202 Flux at 200. MeV: 6.837E-09 Error on that flux: 1.472E-10 Flux at 1 MeV (I): 4.369E-04 Strength of line at 1200. MeV: 3.558E-08 Error on line strength: 1.440E-08 Correlation coefficient:-0.03 Reduced chi-squared: 0.75 Degrees of freedom: 21 Hit <cr> when ready. [cr] ITERATION 1: Estimate of alpha: 2.0843 Error on alpha: 0.0205 Flux at 200. MeV: 6.870E-09 Error on that flux: 1.518E-10 Flux at 1 MeV (I): 4.294E-04 Strength of line at 1200. MeV: 3.614E-08 Error on line strength: 1.463E-08 Correlation coefficient:-0.02 Reduced chi-squared: 0.80 Degrees of freedom: 21 Hit <cr> when ready. [cr] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [write] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [top] Commands: Fit,Counts,Rebin,Parameters,Write,Display,Top,Spawn,Help,Quit. Enter command: [quit] FORTRAN STOP