! Started logfile: /vlbi/uf001/uvm//J1640+3946_S_a_dfm.log on Sun Jan 13 22:02:53 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uvm//J1640+3946_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1640+3946_S_a_uvm.fits ! AN table 1: 32 integrations on 45 of 45 possible baselines. ! AN table 2: 12 integrations on 28 of 28 possible baselines. ! AN table 3: 4 integrations on 36 of 36 possible baselines. ! AN table 4: 8 integrations on 36 of 36 possible baselines. ! AN table 5: 4 integrations on 36 of 36 possible baselines. ! AN table 6: 8 integrations on 36 of 36 possible baselines. ! AN table 7: 13 integrations on 3 of 3 possible baselines. ! Apparent sampling: 0.730123 visibilities/baseline/integration-bin. ! Found source: J1640+3946 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 5868 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1640+3946_S_a] 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 0.500x0.500 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 53 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! A total of 39 telescope corrections were flagged in sub-array 4. ! A total of 6 telescope corrections were flagged in sub-array 5. ! A total of 19 telescope corrections were flagged in sub-array 6. ! A total of 6 telescope corrections were flagged in sub-array 7. ! ! Correcting IF 2. ! A total of 53 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! A total of 39 telescope corrections were flagged in sub-array 4. ! A total of 6 telescope corrections were flagged in sub-array 5. ! A total of 19 telescope corrections were flagged in sub-array 6. ! A total of 6 telescope corrections were flagged in sub-array 7. ! ! Correcting IF 3. ! A total of 53 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! A total of 39 telescope corrections were flagged in sub-array 4. ! A total of 6 telescope corrections were flagged in sub-array 5. ! A total of 19 telescope corrections were flagged in sub-array 6. ! A total of 6 telescope corrections were flagged in sub-array 7. ! ! Fit before self-cal, rms=1.304482Jy sigma=19.871641 ! Fit after self-cal, rms=0.230434Jy sigma=3.331447 ! 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=2.838 mas, bmaj=4.802 mas, bpa=-10.9 degrees ! Estimated noise=0.788612 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 = 0.635679 Jy ! Component: 100 - total flux cleaned = 0.779378 Jy ! Total flux subtracted in 100 components = 0.779378 Jy ! Clean residual min=-0.016411 max=0.052435 Jy/beam ! Clean residual mean=0.000001 rms=0.004112 Jy/beam ! Combined flux in latest and established models = 0.779378 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.779378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.180454Jy sigma=2.628010 ! Fit after self-cal, rms=0.180445Jy sigma=2.627928 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0570234 Jy ! Component: 100 - total flux cleaned = 0.0885218 Jy ! Total flux subtracted in 100 components = 0.0885218 Jy ! Clean residual min=-0.014981 max=0.015907 Jy/beam ! Clean residual mean=0.000001 rms=0.003282 Jy/beam ! Combined flux in latest and established models = 0.8679 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.8679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.155770Jy sigma=2.192279 ! Fit after self-cal, rms=0.155743Jy sigma=2.191969 ! 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=3.554 mas, bmaj=5.75 mas, bpa=-9.736 degrees ! Estimated noise=0.629534 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 = 0.0275035 Jy ! Component: 100 - total flux cleaned = 0.0420248 Jy ! Component: 150 - total flux cleaned = 0.0510202 Jy ! Component: 200 - total flux cleaned = 0.0568412 Jy ! Total flux subtracted in 200 components = 0.0568412 Jy ! Clean residual min=-0.014512 max=0.014453 Jy/beam ! Clean residual mean=-0.000052 rms=0.003429 Jy/beam ! Combined flux in latest and established models = 0.924741 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 0.924741 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.151421Jy sigma=2.102450 ! Fit after self-cal, rms=0.151398Jy sigma=2.102177 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.554 x 5.75 at -9.736 degrees (North through East) ! Clean map min=-0.014346 max=0.83557 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 0.97 KP 0.98 ! LA 0.94 MK 0.97 NL 0.98 OV 0.97 ! PT 1.04 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.75 HN 1.00 LA 0.92 MK 1.00 ! NL 1.11 OV 1.92 PT 0.96 SC 1.09 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.09 FD 0.94 KP 0.99 LA 0.85 ! MK 1.08 NL 1.09 OV 1.03 PT 0.98 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.14 HN 0.97 KP 0.98 LA 0.87 ! MK 1.14 NL 1.09 OV 0.96 PT 0.96 ! SC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.92 FD 0.94 HN 1.09 KP 1.00 ! LA 0.93 MK 1.02 NL 1.09 OV 0.96 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.05 FD 0.98 HN 0.97 KP 0.98 ! LA 0.94 NL 1.08 OV 0.94 PT 0.98 ! SC 1.04 ! ! A total of 33 telescope corrections were flagged in sub-array 7. ! Telescope amplitude corrections in sub-array 7: ! HN 0.00* NL 0.00* SC 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.95 KP 0.98 ! LA 0.95 MK 0.99 NL 1.01 OV 0.96 ! PT 1.00 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 0.97 LA 0.96 MK 0.97 ! NL 1.09 OV 1.91 PT 1.00 SC 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 FD 0.94 KP 0.99 LA 0.88 ! MK 1.10 NL 1.00 OV 0.98 PT 0.98 ! SC 1.11 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.15 HN 1.00 KP 0.98 LA 0.86 ! MK 1.15 NL 1.05 OV 0.94 PT 0.96 ! SC 0.96 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.91 FD 0.92 HN 1.07 KP 0.99 ! LA 0.94 MK 1.01 NL 1.11 OV 0.98 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.04 FD 0.96 HN 0.98 KP 0.99 ! LA 0.94 NL 1.10 OV 0.96 PT 0.98 ! SC 1.09 ! ! A total of 33 telescope corrections were flagged in sub-array 7. ! Telescope amplitude corrections in sub-array 7: ! HN 0.00* NL 0.00* SC 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.96 KP 0.98 ! LA 0.95 MK 1.00 NL 1.03 OV 0.99 ! PT 1.01 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 HN 0.99 LA 0.95 MK 1.00 ! NL 1.12 OV 1.83 PT 1.00 SC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.09 FD 0.95 KP 0.98 LA 0.90 ! MK 1.05 NL 1.03 OV 0.98 PT 0.98 ! SC 1.10 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.12 HN 1.00 KP 1.01 LA 0.90 ! MK 1.11 NL 1.00 OV 0.92 PT 0.97 ! SC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.92 FD 0.93 HN 1.04 KP 0.98 ! LA 0.95 MK 1.00 NL 1.09 OV 0.97 ! SC 1.05 ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.05 FD 0.99 HN 0.96 KP 0.99 ! LA 0.94 NL 1.09 OV 0.92 PT 0.99 ! SC 1.04 ! ! A total of 33 telescope corrections were flagged in sub-array 7. ! Telescope amplitude corrections in sub-array 7: ! HN 0.00* NL 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.151398Jy sigma=2.102177 ! Fit after self-cal, rms=0.126526Jy sigma=1.629481 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.554 mas, bmaj=5.773 mas, bpa=-10.68 degrees ! Estimated noise=0.635819 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 = -0.00393569 Jy ! Component: 100 - total flux cleaned = -0.00394388 Jy ! Component: 150 - total flux cleaned = -0.00364187 Jy ! Component: 200 - total flux cleaned = -0.00329328 Jy ! Total flux subtracted in 200 components = -0.00329328 Jy ! Clean residual min=-0.012100 max=0.010423 Jy/beam ! Clean residual mean=-0.000046 rms=0.002448 Jy/beam ! Combined flux in latest and established models = 0.921448 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.921448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126242Jy sigma=1.625610 ! Fit after self-cal, rms=0.126333Jy sigma=1.625214 ! 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. ! ! Fit before self-cal, rms=0.126333Jy sigma=1.625214 ! Fit after self-cal, rms=0.076822Jy sigma=0.867005 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.554 mas, bmaj=5.771 mas, bpa=-10.61 degrees ! Estimated noise=0.635946 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000386883 Jy ! Component: 100 - total flux cleaned = 0.000740354 Jy ! Component: 150 - total flux cleaned = 0.000973708 Jy ! Component: 200 - total flux cleaned = 0.00106191 Jy ! Total flux subtracted in 200 components = 0.00106191 Jy ! Clean residual min=-0.002847 max=0.005041 Jy/beam ! Clean residual mean=0.000003 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.92251 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 63 components and 0.92251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076781Jy sigma=0.865943 ! Fit after self-cal, rms=0.077060Jy sigma=0.865274 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 (-5, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00481746 Jy ! Component: 100 - total flux cleaned = 0.00639193 Jy ! Component: 150 - total flux cleaned = 0.00680805 Jy ! Component: 200 - total flux cleaned = 0.00692617 Jy ! Total flux subtracted in 200 components = 0.00692617 Jy ! Clean residual min=-0.002477 max=0.002166 Jy/beam ! Clean residual mean=0.000001 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.929436 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 0.929436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076744Jy sigma=0.859302 ! Fit after self-cal, rms=0.076718Jy sigma=0.858692 ! 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. ! ! Fit before self-cal, rms=0.076718Jy sigma=0.858692 ! Fit after self-cal, rms=0.076675Jy sigma=0.857307 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.551 mas, bmaj=5.765 mas, bpa=-10.52 degrees ! Estimated noise=0.636257 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250472 Jy ! Component: 100 - total flux cleaned = 0.00385859 Jy ! Component: 150 - total flux cleaned = 0.00408998 Jy ! Component: 200 - total flux cleaned = 0.00417315 Jy ! Total flux subtracted in 200 components = 0.00417315 Jy ! Clean residual min=-0.002350 max=0.002022 Jy/beam ! Clean residual mean=0.000001 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.933609 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 91 components and 0.933609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076574Jy sigma=0.855295 ! Fit after self-cal, rms=0.076569Jy sigma=0.855133 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 = 0.000518983 Jy ! Component: 100 - total flux cleaned = 0.000671385 Jy ! Component: 150 - total flux cleaned = 0.000777606 Jy ! Component: 200 - total flux cleaned = 0.000876297 Jy ! Total flux subtracted in 200 components = 0.000876297 Jy ! Clean residual min=-0.002351 max=0.002016 Jy/beam ! Clean residual mean=0.000001 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.934486 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 95 components and 0.934486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076539Jy sigma=0.854443 ! Fit after self-cal, rms=0.076540Jy sigma=0.854418 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.076540Jy sigma=0.854418 ! Fit after self-cal, rms=0.076544Jy sigma=0.854018 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.598 mas, bmaj=9.091 mas, bpa=-9.651 degrees ! Estimated noise=0.807708 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176776 Jy ! Component: 100 - total flux cleaned = 0.00281503 Jy ! Component: 150 - total flux cleaned = 0.00314724 Jy ! Component: 200 - total flux cleaned = 0.00342137 Jy ! Total flux subtracted in 200 components = 0.00342137 Jy ! Clean residual min=-0.002372 max=0.002145 Jy/beam ! Clean residual mean=0.000002 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.937907 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 112 components and 0.937907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076531Jy sigma=0.853608 ! Fit after self-cal, rms=0.076529Jy sigma=0.853518 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 = 0.000162818 Jy ! Component: 100 - total flux cleaned = 0.000417197 Jy ! Component: 150 - total flux cleaned = 0.000593119 Jy ! Component: 200 - total flux cleaned = 0.000740927 Jy ! Total flux subtracted in 200 components = 0.000740927 Jy ! Clean residual min=-0.002345 max=0.002146 Jy/beam ! Clean residual mean=0.000001 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.938648 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 115 components and 0.938648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076531Jy sigma=0.853465 ! Fit after self-cal, rms=0.076531Jy sigma=0.853427 ! 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=3.55 mas, bmaj=5.763 mas, bpa=-10.48 degrees ! Estimated noise=0.636284 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.55 x 5.763 at -10.48 degrees (North through East) ! Clean map min=-0.0022448 max=0.83382 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076531Jy sigma=0.853427 ! Fit after self-cal, rms=0.071630Jy sigma=0.780401 ! Inverting map and beam ! Estimated beam: bmin=3.55 mas, bmaj=5.762 mas, bpa=-10.46 degrees ! Estimated noise=0.636504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000802156 Jy ! Component: 100 - total flux cleaned = 0.001054 Jy ! Component: 150 - total flux cleaned = 0.00113774 Jy ! Component: 200 - total flux cleaned = 0.00119072 Jy ! Total flux subtracted in 200 components = 0.00119072 Jy ! Clean residual min=-0.002084 max=0.001917 Jy/beam ! Clean residual mean=0.000001 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.939839 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 128 components and 0.939839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071599Jy sigma=0.779913 ! Fit after self-cal, rms=0.071599Jy sigma=0.779886 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000190077 Jy ! Component: 100 - total flux cleaned = 0.000265026 Jy ! Component: 150 - total flux cleaned = 0.000335939 Jy ! Component: 200 - total flux cleaned = 0.000358164 Jy ! Total flux subtracted in 200 components = 0.000358164 Jy ! Clean residual min=-0.002072 max=0.001915 Jy/beam ! Clean residual mean=0.000001 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.940197 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 131 components and 0.940197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071584Jy sigma=0.779596 ! Fit after self-cal, rms=0.071582Jy sigma=0.779586 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071582Jy sigma=0.779586 ! Fit after self-cal, rms=0.071638Jy sigma=0.779510 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=2.84 mas, bmaj=4.822 mas, bpa=-11.41 degrees ! Estimated noise=0.793191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.635261 Jy ! Component: 100 - total flux cleaned = 0.778309 Jy ! Component: 150 - total flux cleaned = 0.833681 Jy ! Component: 200 - total flux cleaned = 0.86391 Jy ! Total flux subtracted in 200 components = 0.86391 Jy ! Clean residual min=-0.004501 max=0.015291 Jy/beam ! Clean residual mean=-0.000001 rms=0.001146 Jy/beam ! Combined flux in latest and established models = 0.86391 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.86391 Jy ! Inverting map and beam ! Estimated beam: bmin=3.549 mas, bmaj=5.761 mas, bpa=-10.43 degrees ! Estimated noise=0.636621 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 = 0.0268421 Jy ! Component: 100 - total flux cleaned = 0.0417422 Jy ! Component: 150 - total flux cleaned = 0.0510537 Jy ! Component: 200 - total flux cleaned = 0.0574153 Jy ! Total flux subtracted in 200 components = 0.0574153 Jy ! Clean residual min=-0.002438 max=0.003628 Jy/beam ! Clean residual mean=0.000005 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 0.921325 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 64 components and 0.921325 Jy ! Inverting map ! Added new window around map position (-2, 6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00467694 Jy ! Component: 100 - total flux cleaned = 0.0082246 Jy ! Component: 150 - total flux cleaned = 0.0109767 Jy ! Component: 200 - total flux cleaned = 0.0131529 Jy ! Total flux subtracted in 200 components = 0.0131529 Jy ! Clean residual min=-0.002139 max=0.002154 Jy/beam ! Clean residual mean=0.000002 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.934478 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 91 components and 0.934478 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.593 mas, bmaj=9.088 mas, bpa=-9.56 degrees ! Estimated noise=0.808601 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268224 Jy ! Component: 100 - total flux cleaned = 0.00445162 Jy ! Component: 150 - total flux cleaned = 0.00570951 Jy ! Component: 200 - total flux cleaned = 0.00661041 Jy ! Total flux subtracted in 200 components = 0.00661041 Jy ! Clean residual min=-0.002156 max=0.001960 Jy/beam ! Clean residual mean=0.000002 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.941089 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 = 0.00058121 Jy ! Component: 100 - total flux cleaned = 0.000847264 Jy ! Component: 150 - total flux cleaned = 0.00106361 Jy ! Component: 200 - total flux cleaned = 0.00123984 Jy ! Total flux subtracted in 200 components = 0.00123984 Jy ! Clean residual min=-0.002102 max=0.001943 Jy/beam ! Clean residual mean=0.000001 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.942328 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 123 components and 0.942328 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.549 mas, bmaj=5.761 mas, bpa=-10.43 degrees ! Estimated noise=0.636621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00105133 Jy ! Component: 100 - total flux cleaned = -0.0011434 Jy ! Component: 150 - total flux cleaned = -0.00102338 Jy ! Component: 200 - total flux cleaned = -0.00102454 Jy ! Total flux subtracted in 200 components = -0.00102454 Jy ! Clean residual min=-0.002016 max=0.001955 Jy/beam ! Clean residual mean=0.000000 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.941304 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 141 components and 0.941304 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071651Jy sigma=0.779763 ! Fit after self-cal, rms=0.071646Jy sigma=0.779606 wmodel J1640+3946_S_a_map.mod ! Writing 141 model components to file: J1640+3946_S_a_map.mod wobs J1640+3946_S_a_uvs.fits ! Writing UV FITS file: J1640+3946_S_a_uvs.fits wwins J1640+3946_S_a_map.win ! wwins: Wrote 3 windows to J1640+3946_S_a_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 = -0.000649939 Jy ! Component: 100 - total flux cleaned = -0.0010005 Jy ! Component: 150 - total flux cleaned = -0.00137254 Jy ! Component: 200 - total flux cleaned = -0.00173426 Jy ! Component: 250 - total flux cleaned = -0.00202373 Jy ! Component: 300 - total flux cleaned = -0.00224481 Jy ! Component: 350 - total flux cleaned = -0.00243143 Jy ! Component: 400 - total flux cleaned = -0.00267718 Jy ! Component: 450 - total flux cleaned = -0.00298016 Jy ! Component: 500 - total flux cleaned = -0.00330886 Jy ! Component: 550 - total flux cleaned = -0.00369183 Jy ! Component: 600 - total flux cleaned = -0.00401137 Jy ! Component: 650 - total flux cleaned = -0.00424106 Jy ! Component: 700 - total flux cleaned = -0.0044969 Jy ! Component: 750 - total flux cleaned = -0.00472185 Jy ! Component: 800 - total flux cleaned = -0.00494443 Jy ! Component: 850 - total flux cleaned = -0.00516478 Jy ! Component: 900 - total flux cleaned = -0.00538284 Jy ! Component: 950 - total flux cleaned = -0.00557158 Jy ! Component: 1000 - total flux cleaned = -0.00559832 Jy ! Component: 1050 - total flux cleaned = -0.00578474 Jy ! Component: 1100 - total flux cleaned = -0.00591682 Jy ! Component: 1150 - total flux cleaned = -0.00604776 Jy ! Component: 1200 - total flux cleaned = -0.00612557 Jy ! Component: 1250 - total flux cleaned = -0.00617776 Jy ! Component: 1300 - total flux cleaned = -0.00622896 Jy ! Component: 1350 - total flux cleaned = -0.00622902 Jy ! Component: 1400 - total flux cleaned = -0.00625475 Jy ! Component: 1450 - total flux cleaned = -0.00645505 Jy ! Component: 1500 - total flux cleaned = -0.00650468 Jy ! Component: 1550 - total flux cleaned = -0.00650462 Jy ! Component: 1600 - total flux cleaned = -0.00650481 Jy ! Component: 1650 - total flux cleaned = -0.00660263 Jy ! Component: 1700 - total flux cleaned = -0.00665109 Jy ! Component: 1750 - total flux cleaned = -0.0066269 Jy ! Component: 1800 - total flux cleaned = -0.00667491 Jy ! Component: 1850 - total flux cleaned = -0.00672277 Jy ! Component: 1900 - total flux cleaned = -0.00674654 Jy ! Component: 1950 - total flux cleaned = -0.00677006 Jy ! Component: 2000 - total flux cleaned = -0.00667586 Jy ! Component: 2050 - total flux cleaned = -0.00679302 Jy ! Component: 2100 - total flux cleaned = -0.00681633 Jy ! Component: 2150 - total flux cleaned = -0.00672338 Jy ! Component: 2200 - total flux cleaned = -0.0067235 Jy ! Component: 2250 - total flux cleaned = -0.00681533 Jy ! Component: 2300 - total flux cleaned = -0.00667813 Jy ! Component: 2350 - total flux cleaned = -0.00663301 Jy ! Component: 2400 - total flux cleaned = -0.00667833 Jy ! Component: 2450 - total flux cleaned = -0.0067008 Jy ! Component: 2500 - total flux cleaned = -0.00674569 Jy ! Component: 2550 - total flux cleaned = -0.00672321 Jy ! Component: 2600 - total flux cleaned = -0.00665651 Jy ! Component: 2650 - total flux cleaned = -0.00674505 Jy ! Component: 2700 - total flux cleaned = -0.00672322 Jy ! Component: 2750 - total flux cleaned = -0.00670108 Jy ! Component: 2800 - total flux cleaned = -0.00676646 Jy ! Component: 2850 - total flux cleaned = -0.00685356 Jy ! Component: 2900 - total flux cleaned = -0.00667996 Jy ! Component: 2950 - total flux cleaned = -0.00672318 Jy ! Component: 3000 - total flux cleaned = -0.00668023 Jy ! Component: 3050 - total flux cleaned = -0.00674451 Jy ! Component: 3100 - total flux cleaned = -0.00663764 Jy ! Component: 3150 - total flux cleaned = -0.00663761 Jy ! Component: 3200 - total flux cleaned = -0.00672247 Jy ! Component: 3250 - total flux cleaned = -0.00663795 Jy ! Component: 3300 - total flux cleaned = -0.00657481 Jy ! Component: 3350 - total flux cleaned = -0.00661684 Jy ! Component: 3400 - total flux cleaned = -0.00659601 Jy ! Component: 3450 - total flux cleaned = -0.00659594 Jy ! Component: 3500 - total flux cleaned = -0.00655436 Jy ! Component: 3550 - total flux cleaned = -0.00661626 Jy ! Component: 3600 - total flux cleaned = -0.00645164 Jy ! Component: 3650 - total flux cleaned = -0.00653362 Jy ! Component: 3700 - total flux cleaned = -0.00655403 Jy ! Component: 3750 - total flux cleaned = -0.00647263 Jy ! Component: 3800 - total flux cleaned = -0.00635081 Jy ! Component: 3850 - total flux cleaned = -0.00637104 Jy ! Component: 3900 - total flux cleaned = -0.00643154 Jy ! Component: 3950 - total flux cleaned = -0.00641146 Jy ! Component: 4000 - total flux cleaned = -0.00633123 Jy ! Component: 4050 - total flux cleaned = -0.00625138 Jy ! Total flux subtracted in 4096 components = -0.00623143 Jy ! Clean residual min=-0.000994 max=0.001483 Jy/beam ! Clean residual mean=-0.000001 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.935072 Jy keep ! Adding 339 model components to the UV plane model. ! The established model now contains 480 components and 0.935073 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1640+3946_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.549 x 5.761 at -10.43 degrees (North through East) ! Clean map min=-0.0018559 max=0.83499 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1640+3946_S_a_map.fits wmodel /vlbi/uf001/uvm//J1640+3946_S_a_map.mod ! Writing 480 model components to file: /vlbi/uf001/uvm//J1640+3946_S_a_map.mod wobs /vlbi/uf001/uvm//J1640+3946_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1640+3946_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1640+3946_S_a_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uvm//J1640+3946_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.834991 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000371932 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.13363 0.13363 0.26726 0.53452 1.06904 2.13808 4.27616 8.55231 17.1046 34.2093 68.4185 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.834 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2245.01 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1640+3946_S_a_dfm.log closed on Sun Jan 13 22:02:58 2019