! Started logfile: /vlbi/uf001/uva//J0542+4951_X_dfm.log on Sun Jan 13 22:42:11 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J0542+4951_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0542+4951_X_uva.fits ! AN table 1: 57 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.889376 visibilities/baseline/integration-bin. ! Found source: J0542+4951 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 21900 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J0542+4951_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. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 57 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.125555Jy sigma=23.343261 ! Fit after self-cal, rms=0.630550Jy sigma=13.578996 ! 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=0.7219 mas, bmaj=1.391 mas, bpa=18.34 degrees ! Estimated noise=0.461819 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 = 0.309575 Jy ! Component: 100 - total flux cleaned = 0.381917 Jy ! Total flux subtracted in 100 components = 0.381917 Jy ! Clean residual min=-0.034289 max=0.082600 Jy/beam ! Clean residual mean=-0.000028 rms=0.009047 Jy/beam ! Combined flux in latest and established models = 0.381917 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.381917 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.263087Jy sigma=4.746727 ! Fit after self-cal, rms=0.262916Jy sigma=4.742454 ! Inverting map ! Added new window around map position (-1.2, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0727089 Jy ! Component: 100 - total flux cleaned = 0.110363 Jy ! Total flux subtracted in 100 components = 0.110363 Jy ! Clean residual min=-0.030916 max=0.066309 Jy/beam ! Clean residual mean=-0.000022 rms=0.007740 Jy/beam ! Combined flux in latest and established models = 0.49228 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 26 components and 0.49228 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.228329Jy sigma=4.141128 ! Fit after self-cal, rms=0.226850Jy sigma=4.093187 ! Inverting map ! Added new window around map position (-3, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.061304 Jy ! Component: 100 - total flux cleaned = 0.10054 Jy ! Total flux subtracted in 100 components = 0.10054 Jy ! Clean residual min=-0.025206 max=0.038645 Jy/beam ! Clean residual mean=-0.000019 rms=0.006409 Jy/beam ! Combined flux in latest and established models = 0.59282 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.59282 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.194059Jy sigma=3.469778 ! Fit after self-cal, rms=0.193003Jy sigma=3.435382 ! 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=0.9286 mas, bmaj=1.598 mas, bpa=14.84 degrees ! Estimated noise=0.239163 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 (-4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0623868 Jy ! Component: 100 - total flux cleaned = 0.109948 Jy ! Component: 150 - total flux cleaned = 0.149729 Jy ! Component: 200 - total flux cleaned = 0.183951 Jy ! Total flux subtracted in 200 components = 0.183951 Jy ! Clean residual min=-0.024535 max=0.034099 Jy/beam ! Clean residual mean=-0.000023 rms=0.007310 Jy/beam ! Combined flux in latest and established models = 0.776771 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 80 components and 0.776771 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.151555Jy sigma=2.706263 ! Fit after self-cal, rms=0.149424Jy sigma=2.642826 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9286 x 1.598 at 14.84 degrees (North through East) ! Clean map min=-0.023148 max=0.41524 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 1.00 KP 0.99 ! LA 0.85 MK 1.09 NL 1.15 OV 0.93 ! SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.90 HN 0.97 KP 0.96 ! LA 0.89 MK 1.09 NL 1.12 OV 0.93 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 0.98 KP 0.97 ! LA 0.87 MK 1.08 NL 1.10 OV 0.94 ! SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.84 HN 0.98 KP 0.98 ! LA 0.83 MK 1.09 NL 1.13 OV 0.95 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.89 HN 0.98 KP 0.97 ! LA 0.88 MK 1.06 NL 1.11 OV 0.93 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.89 HN 0.97 KP 0.98 ! LA 0.88 MK 1.09 NL 1.10 OV 0.93 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.84 HN 0.98 KP 0.99 ! LA 0.84 MK 1.09 NL 1.11 OV 0.95 ! SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 0.98 KP 1.01 ! LA 0.85 MK 1.08 NL 1.11 OV 0.94 ! SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.86 HN 0.98 KP 1.01 ! LA 0.86 MK 1.09 NL 1.12 OV 0.93 ! SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.82 HN 1.00 KP 1.04 ! LA 0.81 MK 1.11 NL 1.10 OV 0.96 ! SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.86 HN 0.97 KP 1.00 ! LA 0.84 MK 1.07 NL 1.12 OV 0.96 ! SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.86 HN 0.94 KP 1.03 ! LA 0.87 MK 1.10 NL 1.12 OV 0.95 ! SC 0.94 ! ! ! Fit before self-cal, rms=0.149424Jy sigma=2.642826 ! Fit after self-cal, rms=0.112975Jy sigma=2.280396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9438 mas, bmaj=1.606 mas, bpa=15.21 degrees ! Estimated noise=0.225471 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 = 0.0287572 Jy ! Component: 100 - total flux cleaned = 0.0489096 Jy ! Component: 150 - total flux cleaned = 0.0647763 Jy ! Component: 200 - total flux cleaned = 0.0780119 Jy ! Total flux subtracted in 200 components = 0.0780119 Jy ! Clean residual min=-0.016329 max=0.022383 Jy/beam ! Clean residual mean=-0.000000 rms=0.004546 Jy/beam ! Combined flux in latest and established models = 0.854783 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 105 components and 0.854783 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.102224Jy sigma=2.015591 ! Fit after self-cal, rms=0.101588Jy sigma=1.995021 ! Inverting map ! Added new window around map position (-4, -4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0222123 Jy ! Component: 100 - total flux cleaned = 0.0356182 Jy ! Component: 150 - total flux cleaned = 0.0465291 Jy ! Component: 200 - total flux cleaned = 0.0545188 Jy ! Total flux subtracted in 200 components = 0.0545188 Jy ! Clean residual min=-0.013695 max=0.017268 Jy/beam ! Clean residual mean=-0.000000 rms=0.003969 Jy/beam ! Combined flux in latest and established models = 0.909302 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 126 components and 0.909302 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.094483Jy sigma=1.847831 ! Fit after self-cal, rms=0.093940Jy sigma=1.838656 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.093940Jy sigma=1.838656 ! Fit after self-cal, rms=0.078350Jy sigma=1.555073 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.944 mas, bmaj=1.601 mas, bpa=14.99 degrees ! Estimated noise=0.226216 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151788 Jy ! Component: 100 - total flux cleaned = 0.0257826 Jy ! Component: 150 - total flux cleaned = 0.034452 Jy ! Component: 200 - total flux cleaned = 0.0404085 Jy ! Total flux subtracted in 200 components = 0.0404085 Jy ! Clean residual min=-0.008730 max=0.010923 Jy/beam ! Clean residual mean=0.000001 rms=0.002458 Jy/beam ! Combined flux in latest and established models = 0.94971 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 148 components and 0.94971 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.073822Jy sigma=1.454593 ! Fit after self-cal, rms=0.073633Jy sigma=1.446519 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) ! Added new window around map position (-26.8, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109524 Jy ! Component: 100 - total flux cleaned = 0.0175888 Jy ! Component: 150 - total flux cleaned = 0.0223263 Jy ! Component: 200 - total flux cleaned = 0.0267724 Jy ! Total flux subtracted in 200 components = 0.0267724 Jy ! Clean residual min=-0.007576 max=0.010042 Jy/beam ! Clean residual mean=0.000002 rms=0.002149 Jy/beam ! Combined flux in latest and established models = 0.976483 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 184 components and 0.976482 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071161Jy sigma=1.393424 ! Fit after self-cal, rms=0.071074Jy sigma=1.390388 ! Inverting map ! Added new window around map position (-7, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105475 Jy ! Component: 100 - total flux cleaned = 0.0170277 Jy ! Component: 150 - total flux cleaned = 0.0223679 Jy ! Component: 200 - total flux cleaned = 0.0271934 Jy ! Total flux subtracted in 200 components = 0.0271934 Jy ! Clean residual min=-0.006688 max=0.007948 Jy/beam ! Clean residual mean=0.000001 rms=0.001840 Jy/beam ! Combined flux in latest and established models = 1.00368 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 211 components and 1.00368 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068618Jy sigma=1.339106 ! Fit after self-cal, rms=0.068465Jy sigma=1.337005 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068465Jy sigma=1.337005 ! Fit after self-cal, rms=0.067702Jy sigma=1.323077 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9428 mas, bmaj=1.598 mas, bpa=14.87 degrees ! Estimated noise=0.22617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00656151 Jy ! Component: 100 - total flux cleaned = 0.0121588 Jy ! Component: 150 - total flux cleaned = 0.0170224 Jy ! Component: 200 - total flux cleaned = 0.0213225 Jy ! Total flux subtracted in 200 components = 0.0213225 Jy ! Clean residual min=-0.006084 max=0.006756 Jy/beam ! Clean residual mean=0.000000 rms=0.001629 Jy/beam ! Combined flux in latest and established models = 1.025 Jy selfcal ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 237 components and 1.025 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.066323Jy sigma=1.295602 ! Fit after self-cal, rms=0.066273Jy sigma=1.294544 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 = 0.00378319 Jy ! Component: 100 - total flux cleaned = 0.00743892 Jy ! Component: 150 - total flux cleaned = 0.0110133 Jy ! Component: 200 - total flux cleaned = 0.0145119 Jy ! Total flux subtracted in 200 components = 0.0145119 Jy ! Clean residual min=-0.005839 max=0.006222 Jy/beam ! Clean residual mean=0.000000 rms=0.001511 Jy/beam ! Combined flux in latest and established models = 1.03951 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 258 components and 1.03951 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.065442Jy sigma=1.277813 ! Fit after self-cal, rms=0.065407Jy sigma=1.277051 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.065407Jy sigma=1.277051 ! Fit after self-cal, rms=0.065331Jy sigma=1.274509 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.031 mas, bmaj=2.239 mas, bpa=1.584 degrees ! Estimated noise=0.29157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00902939 Jy ! Component: 100 - total flux cleaned = 0.0161914 Jy ! Component: 150 - total flux cleaned = 0.0222753 Jy ! Component: 200 - total flux cleaned = 0.0276006 Jy ! Total flux subtracted in 200 components = 0.0276006 Jy ! Clean residual min=-0.008544 max=0.009809 Jy/beam ! Clean residual mean=-0.000001 rms=0.002432 Jy/beam ! Combined flux in latest and established models = 1.06711 Jy selfcal ! Performing phase self-cal ! Adding 90 model components to the UV plane model. ! The established model now contains 316 components and 1.06711 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.064361Jy sigma=1.259254 ! Fit after self-cal, rms=0.064254Jy sigma=1.256921 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 = 0.00548392 Jy ! Component: 100 - total flux cleaned = 0.00979297 Jy ! Component: 150 - total flux cleaned = 0.0138395 Jy ! Component: 200 - total flux cleaned = 0.0175241 Jy ! Total flux subtracted in 200 components = 0.0175241 Jy ! Clean residual min=-0.007743 max=0.009031 Jy/beam ! Clean residual mean=-0.000001 rms=0.002187 Jy/beam ! Combined flux in latest and established models = 1.08463 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 343 components and 1.08463 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063798Jy sigma=1.249828 ! Fit after self-cal, rms=0.063756Jy sigma=1.248855 ! 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=0.9413 mas, bmaj=1.597 mas, bpa=14.77 degrees ! Estimated noise=0.226261 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9413 x 1.597 at 14.77 degrees (North through East) ! Clean map min=-0.0051321 max=0.39346 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=0.7321 mas, bmaj=1.387 mas, bpa=18.44 degrees ! Estimated noise=0.438174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.291244 Jy ! Component: 100 - total flux cleaned = 0.390562 Jy ! Component: 150 - total flux cleaned = 0.457374 Jy ! Component: 200 - total flux cleaned = 0.509853 Jy ! Total flux subtracted in 200 components = 0.509853 Jy ! Clean residual min=-0.020003 max=0.031246 Jy/beam ! Clean residual mean=-0.000010 rms=0.005887 Jy/beam ! Combined flux in latest and established models = 0.509853 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.509853 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9413 mas, bmaj=1.597 mas, bpa=14.77 degrees ! Estimated noise=0.226261 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 = 0.072647 Jy ! Component: 100 - total flux cleaned = 0.12874 Jy ! Component: 150 - total flux cleaned = 0.17476 Jy ! Component: 200 - total flux cleaned = 0.213668 Jy ! Total flux subtracted in 200 components = 0.213668 Jy ! Clean residual min=-0.016375 max=0.023911 Jy/beam ! Clean residual mean=-0.000006 rms=0.005826 Jy/beam ! Combined flux in latest and established models = 0.723521 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 71 components and 0.723521 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=2.031 mas, bmaj=2.239 mas, bpa=1.584 degrees ! Estimated noise=0.29157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.068063 Jy ! Component: 100 - total flux cleaned = 0.115522 Jy ! Component: 150 - total flux cleaned = 0.151818 Jy ! Component: 200 - total flux cleaned = 0.18115 Jy ! Total flux subtracted in 200 components = 0.18115 Jy ! Clean residual min=-0.018479 max=0.018425 Jy/beam ! Clean residual mean=-0.000004 rms=0.005965 Jy/beam ! Combined flux in latest and established models = 0.904671 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 = 0.0241952 Jy ! Component: 100 - total flux cleaned = 0.0445845 Jy ! Component: 150 - total flux cleaned = 0.0621311 Jy ! Component: 200 - total flux cleaned = 0.0773885 Jy ! Total flux subtracted in 200 components = 0.0773885 Jy ! Clean residual min=-0.012757 max=0.012989 Jy/beam ! Clean residual mean=-0.000003 rms=0.003892 Jy/beam ! Combined flux in latest and established models = 0.98206 Jy ! Adding 151 model components to the UV plane model. ! The established model now contains 206 components and 0.98206 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9413 mas, bmaj=1.597 mas, bpa=14.77 degrees ! Estimated noise=0.226261 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129668 Jy ! Component: 100 - total flux cleaned = 0.0231589 Jy ! Component: 150 - total flux cleaned = 0.0317536 Jy ! Component: 200 - total flux cleaned = 0.0375983 Jy ! Total flux subtracted in 200 components = 0.0375983 Jy ! Clean residual min=-0.009042 max=0.008626 Jy/beam ! Clean residual mean=-0.000000 rms=0.001835 Jy/beam ! Combined flux in latest and established models = 1.01966 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 232 components and 1.01966 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070148Jy sigma=1.370213 ! Fit after self-cal, rms=0.069356Jy sigma=1.351669 wmodel J0542+4951_X_map.mod ! Writing 232 model components to file: J0542+4951_X_map.mod wobs J0542+4951_X_uvs.fits ! Writing UV FITS file: J0542+4951_X_uvs.fits wwins J0542+4951_X_map.win ! wwins: Wrote 7 windows to J0542+4951_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 = -0.00073698 Jy ! Component: 100 - total flux cleaned = -0.00125868 Jy ! Component: 150 - total flux cleaned = -0.0018774 Jy ! Component: 200 - total flux cleaned = -0.00258678 Jy ! Component: 250 - total flux cleaned = -0.00269781 Jy ! Component: 300 - total flux cleaned = -0.00214886 Jy ! Component: 350 - total flux cleaned = -0.00151039 Jy ! Component: 400 - total flux cleaned = -0.0011999 Jy ! Component: 450 - total flux cleaned = -0.000899514 Jy ! Component: 500 - total flux cleaned = -0.000705357 Jy ! Component: 550 - total flux cleaned = -0.000419326 Jy ! Component: 600 - total flux cleaned = -0.000324424 Jy ! Component: 650 - total flux cleaned = 0.000224823 Jy ! Component: 700 - total flux cleaned = 0.000314204 Jy ! Component: 750 - total flux cleaned = 0.000664765 Jy ! Component: 800 - total flux cleaned = 0.00100734 Jy ! Component: 850 - total flux cleaned = 0.00142679 Jy ! Component: 900 - total flux cleaned = 0.00167429 Jy ! Component: 950 - total flux cleaned = 0.00232225 Jy ! Component: 1000 - total flux cleaned = 0.00271726 Jy ! Component: 1050 - total flux cleaned = 0.00302814 Jy ! Component: 1100 - total flux cleaned = 0.00325745 Jy ! Component: 1150 - total flux cleaned = 0.00348299 Jy ! Component: 1200 - total flux cleaned = 0.00340859 Jy ! Component: 1250 - total flux cleaned = 0.00355435 Jy ! Component: 1300 - total flux cleaned = 0.00348321 Jy ! Component: 1350 - total flux cleaned = 0.00355318 Jy ! Component: 1400 - total flux cleaned = 0.00348217 Jy ! Component: 1450 - total flux cleaned = 0.00334587 Jy ! Component: 1500 - total flux cleaned = 0.0032104 Jy ! Component: 1550 - total flux cleaned = 0.00327737 Jy ! Component: 1600 - total flux cleaned = 0.00327691 Jy ! Component: 1650 - total flux cleaned = 0.00301822 Jy ! Component: 1700 - total flux cleaned = 0.00301813 Jy ! Component: 1750 - total flux cleaned = 0.00308071 Jy ! Component: 1800 - total flux cleaned = 0.00307953 Jy ! Component: 1850 - total flux cleaned = 0.00289634 Jy ! Component: 1900 - total flux cleaned = 0.00295613 Jy ! Component: 1950 - total flux cleaned = 0.00289766 Jy ! Component: 2000 - total flux cleaned = 0.00289752 Jy ! Component: 2050 - total flux cleaned = 0.0030706 Jy ! Component: 2100 - total flux cleaned = 0.00295541 Jy ! Component: 2150 - total flux cleaned = 0.00289888 Jy ! Component: 2200 - total flux cleaned = 0.00289917 Jy ! Component: 2250 - total flux cleaned = 0.00295335 Jy ! Component: 2300 - total flux cleaned = 0.00295373 Jy ! Component: 2350 - total flux cleaned = 0.00289869 Jy ! Component: 2400 - total flux cleaned = 0.00268652 Jy ! Component: 2450 - total flux cleaned = 0.00263329 Jy ! Component: 2500 - total flux cleaned = 0.00247793 Jy ! Component: 2550 - total flux cleaned = 0.00242791 Jy ! Component: 2600 - total flux cleaned = 0.00217635 Jy ! Component: 2650 - total flux cleaned = 0.00242578 Jy ! Component: 2700 - total flux cleaned = 0.00212988 Jy ! Component: 2750 - total flux cleaned = 0.0020337 Jy ! Component: 2800 - total flux cleaned = 0.00189027 Jy ! Component: 2850 - total flux cleaned = 0.00184263 Jy ! Component: 2900 - total flux cleaned = 0.00170138 Jy ! Component: 2950 - total flux cleaned = 0.00170163 Jy ! Component: 3000 - total flux cleaned = 0.00156359 Jy ! Component: 3050 - total flux cleaned = 0.00142608 Jy ! Component: 3100 - total flux cleaned = 0.0016064 Jy ! Component: 3150 - total flux cleaned = 0.00138325 Jy ! Component: 3200 - total flux cleaned = 0.00133865 Jy ! Component: 3250 - total flux cleaned = 0.00112018 Jy ! Component: 3300 - total flux cleaned = 0.000990754 Jy ! Component: 3350 - total flux cleaned = 0.00111957 Jy ! Component: 3400 - total flux cleaned = 0.000782458 Jy ! Component: 3450 - total flux cleaned = 0.000991 Jy ! Component: 3500 - total flux cleaned = 0.000660206 Jy ! Component: 3550 - total flux cleaned = 0.000700724 Jy ! Component: 3600 - total flux cleaned = 0.000740483 Jy ! Component: 3650 - total flux cleaned = 0.000540371 Jy ! Component: 3700 - total flux cleaned = 0.000501428 Jy ! Component: 3750 - total flux cleaned = 0.000423291 Jy ! Component: 3800 - total flux cleaned = 0.000384572 Jy ! Component: 3850 - total flux cleaned = 0.000154131 Jy ! Component: 3900 - total flux cleaned = 0.000192114 Jy ! Component: 3950 - total flux cleaned = 7.8378e-05 Jy ! Component: 4000 - total flux cleaned = 7.8117e-05 Jy ! Component: 4050 - total flux cleaned = -3.25274e-05 Jy ! Total flux subtracted in 4096 components = -3.23784e-05 Jy ! Clean residual min=-0.001822 max=0.001959 Jy/beam ! Clean residual mean=0.000000 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 1.01963 Jy keep ! Adding 345 model components to the UV plane model. ! The established model now contains 574 components and 1.01963 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0542+4951_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9413 x 1.597 at 14.77 degrees (North through East) ! Clean map min=-0.0047127 max=0.38372 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0542+4951_X_map.fits wmodel /vlbi/uf001/uva//J0542+4951_X_map.mod ! Writing 574 model components to file: /vlbi/uf001/uva//J0542+4951_X_map.mod wobs /vlbi/uf001/uva//J0542+4951_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0542+4951_X_uvs.fits wwins /vlbi/uf001/uva//J0542+4951_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J0542+4951_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.38372 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000654373 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.511602 0.511602 1.0232 2.04641 4.09281 8.18563 16.3713 32.7425 65.485 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.383 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 586.393 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0542+4951_X_dfm.log closed on Sun Jan 13 22:42:17 2019