! Started logfile: /vlbi/bs262/maps//J0451+5721_X_20180503_dfm.log on Mon Jun 4 23:17:06 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/bs262/maps//J0451+5721_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0451+5721_X_20180503_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0451+5721 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 32400 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0451+5721_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.000533Jy sigma=26.074938 ! Fit after self-cal, rms=0.990983Jy sigma=25.825462 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6696 mas, bmaj=2.992 mas, bpa=-31.67 degrees ! Estimated noise=0.399903 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.007563 Jy ! Component: 100 - total flux cleaned = 0.0093198 Jy ! Total flux subtracted in 100 components = 0.0093198 Jy ! Clean residual min=-0.001141 max=0.001178 Jy/beam ! Clean residual mean=0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0093198 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0093198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.027128Jy sigma=0.678652 ! Fit after self-cal, rms=0.025726Jy sigma=0.641769 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00371907 Jy ! Component: 100 - total flux cleaned = 0.00446394 Jy ! Total flux subtracted in 100 components = 0.00446394 Jy ! Clean residual min=-0.001130 max=0.001133 Jy/beam ! Clean residual mean=-0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0137837 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.0137837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025332Jy sigma=0.631329 ! Fit after self-cal, rms=0.025299Jy sigma=0.630781 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9266 mas, bmaj=2.955 mas, bpa=-32.04 degrees ! Estimated noise=0.153405 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000173926 Jy ! Component: 100 - total flux cleaned = 6.77112e-05 Jy ! Component: 150 - total flux cleaned = -1.76248e-05 Jy ! Component: 200 - total flux cleaned = -9.75562e-05 Jy ! Total flux subtracted in 200 components = -9.75562e-05 Jy ! Clean residual min=-0.000432 max=0.000419 Jy/beam ! Clean residual mean=-0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0136862 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 26 components and 0.0136862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025287Jy sigma=0.630474 ! Fit after self-cal, rms=0.025275Jy sigma=0.630399 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9266 x 2.955 at -32.04 degrees (North through East) ! Clean map min=-0.0004741 max=0.01287 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.10 HN 0.94 KP 0.82 ! LA 1.09 MK 0.99 NL 1.11 OV 0.99 ! PT 1.17 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.08 HN 0.98 KP 1.04 ! LA 1.06 MK 0.97 NL 0.98 OV 0.97 ! PT 1.16 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.90 HN 1.05 KP 1.12 ! LA 1.00 MK 0.94 NL 1.10 OV 0.97 ! PT 1.05 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.93 KP 1.07 ! LA 1.01 MK 0.87 NL 1.06 OV 1.05 ! PT 1.16 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.07 HN 0.90 KP 0.92 ! LA 0.99 MK 0.98 NL 0.95 OV 1.03 ! PT 1.06 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.84 HN 0.82 KP 1.04 ! LA 1.01 MK 1.07 NL 0.98 OV 1.14 ! PT 1.03 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.95 KP 0.97 ! LA 0.88 MK 0.98 NL 1.10 OV 0.98 ! PT 1.17 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.89 KP 1.15 ! LA 0.90 MK 1.03 NL 1.14 OV 1.03 ! PT 1.15 SC 0.85 ! ! ! Fit before self-cal, rms=0.025275Jy sigma=0.630399 ! Fit after self-cal, rms=0.025291Jy sigma=0.629113 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9141 mas, bmaj=2.913 mas, bpa=-32.12 degrees ! Estimated noise=0.152351 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.06037e-05 Jy ! Component: 100 - total flux cleaned = -1.19537e-06 Jy ! Component: 150 - total flux cleaned = -3.55006e-06 Jy ! Component: 200 - total flux cleaned = -3.36206e-06 Jy ! Total flux subtracted in 200 components = -3.36206e-06 Jy ! Clean residual min=-0.000342 max=0.000318 Jy/beam ! Clean residual mean=0.000000 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.0136828 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 39 components and 0.0136828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025291Jy sigma=0.629094 ! Fit after self-cal, rms=0.025353Jy sigma=0.628407 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025353Jy sigma=0.628407 ! Fit after self-cal, rms=0.025749Jy sigma=0.628213 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9108 mas, bmaj=2.9 mas, bpa=-32.16 degrees ! Estimated noise=0.152744 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.07722e-05 Jy ! Component: 100 - total flux cleaned = 5.45498e-05 Jy ! Component: 150 - total flux cleaned = 5.46342e-05 Jy ! Component: 200 - total flux cleaned = 4.93353e-05 Jy ! Total flux subtracted in 200 components = 4.93353e-05 Jy ! Clean residual min=-0.000341 max=0.000325 Jy/beam ! Clean residual mean=0.000000 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0137322 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 0.0137322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025748Jy sigma=0.628190 ! Fit after self-cal, rms=0.025783Jy sigma=0.627915 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.89007e-06 Jy ! Component: 100 - total flux cleaned = 1.54698e-05 Jy ! Component: 150 - total flux cleaned = 1.55921e-05 Jy ! Component: 200 - total flux cleaned = 1.28947e-05 Jy ! Total flux subtracted in 200 components = 1.28947e-05 Jy ! Clean residual min=-0.000325 max=0.000334 Jy/beam ! Clean residual mean=0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0137451 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 0.0137451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025782Jy sigma=0.627891 ! Fit after self-cal, rms=0.025780Jy sigma=0.627825 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025780Jy sigma=0.627825 ! Fit after self-cal, rms=0.025939Jy sigma=0.627768 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9109 mas, bmaj=2.892 mas, bpa=-32.19 degrees ! Estimated noise=0.152646 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.0512e-05 Jy ! Component: 100 - total flux cleaned = 7.73975e-05 Jy ! Component: 150 - total flux cleaned = 7.71624e-05 Jy ! Component: 200 - total flux cleaned = 7.4947e-05 Jy ! Total flux subtracted in 200 components = 7.4947e-05 Jy ! Clean residual min=-0.000337 max=0.000347 Jy/beam ! Clean residual mean=0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.01382 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 53 components and 0.01382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025938Jy sigma=0.627747 ! Fit after self-cal, rms=0.025962Jy sigma=0.627628 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.18418e-05 Jy ! Component: 100 - total flux cleaned = 3.503e-05 Jy ! Component: 150 - total flux cleaned = 2.70518e-05 Jy ! Component: 200 - total flux cleaned = 2.00209e-05 Jy ! Total flux subtracted in 200 components = 2.00209e-05 Jy ! Clean residual min=-0.000346 max=0.000341 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.01384 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 0.01384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025961Jy sigma=0.627610 ! Fit after self-cal, rms=0.025961Jy sigma=0.627574 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025961Jy sigma=0.627574 ! Fit after self-cal, rms=0.026067Jy sigma=0.627551 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.022 mas, bmaj=3.045 mas, bpa=-36.38 degrees ! Estimated noise=0.191889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.34376e-05 Jy ! Component: 100 - total flux cleaned = -2.86001e-05 Jy ! Component: 150 - total flux cleaned = -2.65237e-05 Jy ! Component: 200 - total flux cleaned = -2.49411e-05 Jy ! Total flux subtracted in 200 components = -2.49411e-05 Jy ! Clean residual min=-0.000392 max=0.000352 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0138151 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 0.0138151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.026067Jy sigma=0.627538 ! Fit after self-cal, rms=0.026083Jy sigma=0.627506 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.73944e-06 Jy ! Component: 100 - total flux cleaned = 6.95196e-06 Jy ! Component: 150 - total flux cleaned = 8.64552e-06 Jy ! Component: 200 - total flux cleaned = 8.69157e-06 Jy ! Total flux subtracted in 200 components = 8.69157e-06 Jy ! Clean residual min=-0.000408 max=0.000362 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0138238 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 0.0138238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.026083Jy sigma=0.627502 ! Fit after self-cal, rms=0.026083Jy sigma=0.627480 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9119 mas, bmaj=2.886 mas, bpa=-32.2 degrees ! Estimated noise=0.152562 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9119 x 2.886 at -32.2 degrees (North through East) ! Clean map min=-0.0004811 max=0.012778 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6589 mas, bmaj=2.935 mas, bpa=-31.78 degrees ! Estimated noise=0.387895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105065 Jy ! Component: 100 - total flux cleaned = 0.0128815 Jy ! Component: 150 - total flux cleaned = 0.0133032 Jy ! Component: 200 - total flux cleaned = 0.0134884 Jy ! Total flux subtracted in 200 components = 0.0134884 Jy ! Clean residual min=-0.001040 max=0.001026 Jy/beam ! Clean residual mean=0.000000 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.0134884 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0134884 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9119 mas, bmaj=2.886 mas, bpa=-32.2 degrees ! Estimated noise=0.152562 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000507773 Jy ! Component: 100 - total flux cleaned = 0.000586642 Jy ! Component: 150 - total flux cleaned = 0.000575761 Jy ! Component: 200 - total flux cleaned = 0.000557733 Jy ! Total flux subtracted in 200 components = 0.000557733 Jy ! Clean residual min=-0.000373 max=0.000354 Jy/beam ! Clean residual mean=-0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0140461 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 30 components and 0.0140461 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.022 mas, bmaj=3.045 mas, bpa=-36.38 degrees ! Estimated noise=0.191889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.60579e-05 Jy ! Component: 100 - total flux cleaned = -0.000133202 Jy ! Component: 150 - total flux cleaned = -0.000163526 Jy ! Component: 200 - total flux cleaned = -0.000172235 Jy ! Total flux subtracted in 200 components = -0.000172235 Jy ! Clean residual min=-0.000421 max=0.000352 Jy/beam ! Clean residual mean=-0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0138739 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.92486e-06 Jy ! Component: 100 - total flux cleaned = -9.09071e-06 Jy ! Component: 150 - total flux cleaned = -1.26519e-05 Jy ! Component: 200 - total flux cleaned = -1.58129e-05 Jy ! Total flux subtracted in 200 components = -1.58129e-05 Jy ! Clean residual min=-0.000416 max=0.000351 Jy/beam ! Clean residual mean=-0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0138581 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0138581 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9119 mas, bmaj=2.886 mas, bpa=-32.2 degrees ! Estimated noise=0.152562 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.01255e-06 Jy ! Component: 100 - total flux cleaned = -1.41598e-05 Jy ! Component: 150 - total flux cleaned = -2.64071e-05 Jy ! Component: 200 - total flux cleaned = -3.72613e-05 Jy ! Total flux subtracted in 200 components = -3.72613e-05 Jy ! Clean residual min=-0.000337 max=0.000347 Jy/beam ! Clean residual mean=0.000000 rms=0.000089 Jy/beam ! Combined flux in latest and established models = 0.0138208 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 47 components and 0.0138208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.026084Jy sigma=0.627507 ! Fit after self-cal, rms=0.026084Jy sigma=0.627453 wmodel J0451+5721_X_map.mod ! Writing 47 model components to file: J0451+5721_X_map.mod wobs J0451+5721_X_uvs.fits ! Writing UV FITS file: J0451+5721_X_uvs.fits wwins J0451+5721_X_map.win ! wwins: Wrote 1 windows to J0451+5721_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 6.78582e-06 Jy ! Component: 100 - total flux cleaned = 1.86899e-05 Jy ! Component: 150 - total flux cleaned = 1.88791e-05 Jy ! Component: 200 - total flux cleaned = 2.99577e-05 Jy ! Component: 250 - total flux cleaned = 3.53662e-05 Jy ! Component: 300 - total flux cleaned = 3.5407e-05 Jy ! Component: 350 - total flux cleaned = 3.04575e-05 Jy ! Component: 400 - total flux cleaned = 4.02738e-05 Jy ! Component: 450 - total flux cleaned = 4.50143e-05 Jy ! Component: 500 - total flux cleaned = 4.96631e-05 Jy ! Component: 550 - total flux cleaned = 5.88968e-05 Jy ! Component: 600 - total flux cleaned = 6.7939e-05 Jy ! Component: 650 - total flux cleaned = 7.68369e-05 Jy ! Component: 700 - total flux cleaned = 8.98549e-05 Jy ! Component: 750 - total flux cleaned = 9.83608e-05 Jy ! Component: 800 - total flux cleaned = 0.000102619 Jy ! Component: 850 - total flux cleaned = 0.000127514 Jy ! Component: 900 - total flux cleaned = 0.000155946 Jy ! Component: 950 - total flux cleaned = 0.000168046 Jy ! Component: 1000 - total flux cleaned = 0.000191783 Jy ! Component: 1050 - total flux cleaned = 0.000203509 Jy ! Component: 1100 - total flux cleaned = 0.000199624 Jy ! Component: 1150 - total flux cleaned = 0.000195772 Jy ! Component: 1200 - total flux cleaned = 0.000207175 Jy ! Component: 1250 - total flux cleaned = 0.000210895 Jy ! Component: 1300 - total flux cleaned = 0.000207241 Jy ! Component: 1350 - total flux cleaned = 0.000199909 Jy ! Component: 1400 - total flux cleaned = 0.00020363 Jy ! Component: 1450 - total flux cleaned = 0.000200069 Jy ! Component: 1500 - total flux cleaned = 0.000200095 Jy ! Component: 1550 - total flux cleaned = 0.00019647 Jy ! Component: 1600 - total flux cleaned = 0.000203487 Jy ! Component: 1650 - total flux cleaned = 0.000196488 Jy ! Component: 1700 - total flux cleaned = 0.000203368 Jy ! Component: 1750 - total flux cleaned = 0.000213587 Jy ! Component: 1800 - total flux cleaned = 0.000210132 Jy ! Component: 1850 - total flux cleaned = 0.000206757 Jy ! Component: 1900 - total flux cleaned = 0.000203364 Jy ! Component: 1950 - total flux cleaned = 0.000209986 Jy ! Component: 2000 - total flux cleaned = 0.000206687 Jy ! Component: 2050 - total flux cleaned = 0.000203414 Jy ! Component: 2100 - total flux cleaned = 0.0002067 Jy ! Component: 2150 - total flux cleaned = 0.000209893 Jy ! Component: 2200 - total flux cleaned = 0.000213072 Jy ! Component: 2250 - total flux cleaned = 0.000203549 Jy ! Component: 2300 - total flux cleaned = 0.000209852 Jy ! Component: 2350 - total flux cleaned = 0.000216126 Jy ! Component: 2400 - total flux cleaned = 0.000209922 Jy ! Component: 2450 - total flux cleaned = 0.000219208 Jy ! Component: 2500 - total flux cleaned = 0.000216148 Jy ! Component: 2550 - total flux cleaned = 0.000194853 Jy ! Component: 2600 - total flux cleaned = 0.000216048 Jy ! Component: 2650 - total flux cleaned = 0.000201001 Jy ! Component: 2700 - total flux cleaned = 0.000198027 Jy ! Component: 2750 - total flux cleaned = 0.000186143 Jy ! Component: 2800 - total flux cleaned = 0.00018907 Jy ! Component: 2850 - total flux cleaned = 0.000177306 Jy ! Component: 2900 - total flux cleaned = 0.000180271 Jy ! Component: 2950 - total flux cleaned = 0.000168661 Jy ! Component: 3000 - total flux cleaned = 0.00018593 Jy ! Component: 3050 - total flux cleaned = 0.000168707 Jy ! Component: 3100 - total flux cleaned = 0.000165857 Jy ! Component: 3150 - total flux cleaned = 0.000163006 Jy ! Component: 3200 - total flux cleaned = 0.000174295 Jy ! Component: 3250 - total flux cleaned = 0.000171486 Jy ! Component: 3300 - total flux cleaned = 0.000157526 Jy ! Component: 3350 - total flux cleaned = 0.000171409 Jy ! Component: 3400 - total flux cleaned = 0.000168645 Jy ! Component: 3450 - total flux cleaned = 0.000168627 Jy ! Component: 3500 - total flux cleaned = 0.000165883 Jy ! Component: 3550 - total flux cleaned = 0.000168622 Jy ! Component: 3600 - total flux cleaned = 0.000171313 Jy ! Component: 3650 - total flux cleaned = 0.000163214 Jy ! Component: 3700 - total flux cleaned = 0.000171252 Jy ! Component: 3750 - total flux cleaned = 0.000157899 Jy ! Component: 3800 - total flux cleaned = 0.000152561 Jy ! Component: 3850 - total flux cleaned = 0.000144612 Jy ! Component: 3900 - total flux cleaned = 0.000152509 Jy ! Component: 3950 - total flux cleaned = 0.000152503 Jy ! Component: 4000 - total flux cleaned = 0.00014466 Jy ! Component: 4050 - total flux cleaned = 0.000129074 Jy ! Total flux subtracted in 4096 components = 0.000134245 Jy ! Clean residual min=-0.000160 max=0.000175 Jy/beam ! Clean residual mean=-0.000000 rms=0.000047 Jy/beam ! Combined flux in latest and established models = 0.013955 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 346 components and 0.0139551 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0451+5721_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9119 x 2.886 at -32.2 degrees (North through East) ! Clean map min=-0.00049172 max=0.012756 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0451+5721_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0451+5721_X_20180503_map.mod ! Writing 346 model components to file: /vlbi/bs262/maps//J0451+5721_X_20180503_map.mod wobs /vlbi/bs262/maps//J0451+5721_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0451+5721_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0451+5721_X_20180503_map.win ! wwins: Wrote 2 windows to /vlbi/bs262/maps//J0451+5721_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0127561 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.62533e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.08779 1.08779 2.17558 4.35116 8.70231 17.4046 34.8093 69.6185 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.012 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 275.788 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0451+5721_X_20180503_dfm.log closed on Mon Jun 4 23:17:11 2018