! Started logfile: /vlbi/bs262/maps//J0301-1652_C_20180501_dfm.log on Mon Jun 4 23:15:19 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0301-1652_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0301-1652_C_20180501_uva.fits ! AN table 1: 21 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.873016 visibilities/baseline/integration-bin. ! Found source: J0301-1652 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5280 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0301-1652_C] 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 0.300x0.300 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 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.015165Jy sigma=21.327104 ! Fit after self-cal, rms=0.879507Jy sigma=18.450048 ! 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=1.276 mas, bmaj=3.327 mas, bpa=-8.856 degrees ! Estimated noise=0.737352 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 = 0.0900353 Jy ! Component: 100 - total flux cleaned = 0.110828 Jy ! Total flux subtracted in 100 components = 0.110828 Jy ! Clean residual min=-0.008627 max=0.012227 Jy/beam ! Clean residual mean=-0.000016 rms=0.001901 Jy/beam ! Combined flux in latest and established models = 0.110828 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.110828 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=0.075082Jy sigma=1.413265 ! Fit after self-cal, rms=0.074806Jy sigma=1.410310 ! Inverting map ! Added new window around map position (-2.4, 3.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118912 Jy ! Component: 100 - total flux cleaned = 0.0190831 Jy ! Total flux subtracted in 100 components = 0.0190831 Jy ! Clean residual min=-0.006919 max=0.009328 Jy/beam ! Clean residual mean=-0.000015 rms=0.001569 Jy/beam ! Combined flux in latest and established models = 0.129911 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.129911 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=0.072312Jy sigma=1.341148 ! Fit after self-cal, rms=0.072183Jy sigma=1.336673 ! 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=1.639 mas, bmaj=3.898 mas, bpa=-5.705 degrees ! Estimated noise=0.491861 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 = 0.0091948 Jy ! Component: 100 - total flux cleaned = 0.0145901 Jy ! Component: 150 - total flux cleaned = 0.0161185 Jy ! Component: 200 - total flux cleaned = 0.0171001 Jy ! Total flux subtracted in 200 components = 0.0171001 Jy ! Clean residual min=-0.005875 max=0.007261 Jy/beam ! Clean residual mean=-0.000016 rms=0.001613 Jy/beam ! Combined flux in latest and established models = 0.147011 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 31 components and 0.147011 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=0.071060Jy sigma=1.304251 ! Fit after self-cal, rms=0.070973Jy sigma=1.303165 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.639 x 3.898 at -5.705 degrees (North through East) ! Clean map min=-0.0057798 max=0.11271 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.91 HN 0.95 LA 1.07 ! MK 0.98 NL 1.11 OV 0.97 PT 0.88 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.92 HN 1.49 LA 1.04 ! MK 0.95 NL 1.12 OV 1.01 PT 1.13 ! SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.92 HN 1.27 LA 1.10 ! MK 1.02 NL 1.11 OV 1.01 PT 0.55 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 HN 1.14 LA 1.06 ! MK 0.95 NL 1.08 OV 1.07 PT 1.03 ! SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.91 HN 1.26 LA 1.11 ! MK 1.03 NL 1.05 OV 0.99 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.91 HN 1.25 LA 1.05 ! MK 0.97 NL 1.08 OV 1.01 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.90 HN 1.15 LA 1.08 ! MK 0.98 NL 1.06 OV 1.01 PT 0.84 ! SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.89 HN 1.11 LA 1.08 ! MK 1.00 NL 1.04 OV 1.01 PT 0.95 ! SC 1.01 ! ! ! Fit before self-cal, rms=0.070973Jy sigma=1.303165 ! Fit after self-cal, rms=0.077800Jy sigma=1.220121 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.65 mas, bmaj=3.914 mas, bpa=-5.591 degrees ! Estimated noise=0.491751 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 = -0.00127425 Jy ! Component: 100 - total flux cleaned = -0.00141356 Jy ! Component: 150 - total flux cleaned = -0.00153366 Jy ! Component: 200 - total flux cleaned = -0.00164356 Jy ! Total flux subtracted in 200 components = -0.00164356 Jy ! Clean residual min=-0.003079 max=0.003877 Jy/beam ! Clean residual mean=-0.000005 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.145368 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 0.145368 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=0.077647Jy sigma=1.217959 ! Fit after self-cal, rms=0.078104Jy sigma=1.215114 ! Inverting map ! Added new window around map position (2.7, 3.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00351251 Jy ! Component: 100 - total flux cleaned = 0.00351834 Jy ! Component: 150 - total flux cleaned = 0.00345108 Jy ! Component: 200 - total flux cleaned = 0.00326135 Jy ! Total flux subtracted in 200 components = 0.00326135 Jy ! Clean residual min=-0.002624 max=0.002837 Jy/beam ! Clean residual mean=-0.000004 rms=0.000687 Jy/beam ! Combined flux in latest and established models = 0.148629 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.148629 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=0.077827Jy sigma=1.209552 ! Fit after self-cal, rms=0.077811Jy sigma=1.209080 ! 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=0.077811Jy sigma=1.209080 ! Fit after self-cal, rms=0.078352Jy sigma=1.208689 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.649 mas, bmaj=3.911 mas, bpa=-5.533 degrees ! Estimated noise=0.492022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000831094 Jy ! Component: 100 - total flux cleaned = 0.000836684 Jy ! Component: 150 - total flux cleaned = 0.000729626 Jy ! Component: 200 - total flux cleaned = 0.000633245 Jy ! Total flux subtracted in 200 components = 0.000633245 Jy ! Clean residual min=-0.002641 max=0.002676 Jy/beam ! Clean residual mean=-0.000004 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.149262 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 68 components and 0.149262 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=0.078238Jy sigma=1.206816 ! Fit after self-cal, rms=0.078238Jy sigma=1.206666 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 (4.8, -16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0008404 Jy ! Component: 100 - total flux cleaned = 0.000762708 Jy ! Component: 150 - total flux cleaned = 0.000763731 Jy ! Component: 200 - total flux cleaned = 0.000613266 Jy ! Total flux subtracted in 200 components = 0.000613266 Jy ! Clean residual min=-0.002491 max=0.002519 Jy/beam ! Clean residual mean=-0.000004 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.149875 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 97 components and 0.149875 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=0.078092Jy sigma=1.204368 ! Fit after self-cal, rms=0.078025Jy sigma=1.204113 ! 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=0.078025Jy sigma=1.204113 ! Fit after self-cal, rms=0.077335Jy sigma=1.203967 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=3.908 mas, bpa=-5.579 degrees ! Estimated noise=0.491565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000505755 Jy ! Component: 100 - total flux cleaned = 0.000558847 Jy ! Component: 150 - total flux cleaned = 0.000561136 Jy ! Component: 200 - total flux cleaned = 0.000521467 Jy ! Total flux subtracted in 200 components = 0.000521467 Jy ! Clean residual min=-0.002421 max=0.002522 Jy/beam ! Clean residual mean=-0.000004 rms=0.000591 Jy/beam ! Combined flux in latest and established models = 0.150397 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 111 components and 0.150397 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=0.077264Jy sigma=1.202884 ! Fit after self-cal, rms=0.077204Jy sigma=1.202776 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 = 0.000152911 Jy ! Component: 100 - total flux cleaned = 7.05742e-05 Jy ! Component: 150 - total flux cleaned = -0.000129828 Jy ! Component: 200 - total flux cleaned = -0.000320212 Jy ! Total flux subtracted in 200 components = -0.000320212 Jy ! Clean residual min=-0.002406 max=0.002487 Jy/beam ! Clean residual mean=-0.000004 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.150077 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 125 components and 0.150077 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=0.077151Jy sigma=1.202058 ! Fit after self-cal, rms=0.077130Jy sigma=1.202010 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.077130Jy sigma=1.202010 ! Fit after self-cal, rms=0.076590Jy sigma=1.201936 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.812 mas, bmaj=7.488 mas, bpa=-4.078 degrees ! Estimated noise=0.611337 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000166272 Jy ! Component: 100 - total flux cleaned = 0.000167907 Jy ! Component: 150 - total flux cleaned = 0.000140527 Jy ! Component: 200 - total flux cleaned = 6.3455e-05 Jy ! Total flux subtracted in 200 components = 6.3455e-05 Jy ! Clean residual min=-0.002221 max=0.002216 Jy/beam ! Clean residual mean=-0.000007 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.15014 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 150 components and 0.15014 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=0.076569Jy sigma=1.201558 ! Fit after self-cal, rms=0.076577Jy sigma=1.201501 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 = 0.00028787 Jy ! Component: 100 - total flux cleaned = 0.000192589 Jy ! Component: 150 - total flux cleaned = 8.24224e-05 Jy ! Component: 200 - total flux cleaned = 2.01826e-05 Jy ! Total flux subtracted in 200 components = 2.01826e-05 Jy ! Clean residual min=-0.002214 max=0.002031 Jy/beam ! Clean residual mean=-0.000007 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.15016 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 154 components and 0.15016 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=0.076567Jy sigma=1.201343 ! Fit after self-cal, rms=0.076576Jy sigma=1.201318 ! 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=1.646 mas, bmaj=3.908 mas, bpa=-5.575 degrees ! Estimated noise=0.491438 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.646 x 3.908 at -5.575 degrees (North through East) ! Clean map min=-0.0028812 max=0.11086 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=1.275 mas, bmaj=3.314 mas, bpa=-8.818 degrees ! Estimated noise=0.749762 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0916065 Jy ! Component: 100 - total flux cleaned = 0.113751 Jy ! Component: 150 - total flux cleaned = 0.125544 Jy ! Component: 200 - total flux cleaned = 0.133041 Jy ! Total flux subtracted in 200 components = 0.133041 Jy ! Clean residual min=-0.005313 max=0.006102 Jy/beam ! Clean residual mean=-0.000007 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 0.133041 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.133041 Jy ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=3.908 mas, bpa=-5.575 degrees ! Estimated noise=0.491438 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 = 0.00817043 Jy ! Component: 100 - total flux cleaned = 0.0131873 Jy ! Component: 150 - total flux cleaned = 0.0162337 Jy ! Component: 200 - total flux cleaned = 0.0174932 Jy ! Total flux subtracted in 200 components = 0.0174932 Jy ! Clean residual min=-0.002996 max=0.002933 Jy/beam ! Clean residual mean=-0.000005 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.150534 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 51 components and 0.150534 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.812 mas, bmaj=7.488 mas, bpa=-4.078 degrees ! Estimated noise=0.611337 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00180177 Jy ! Component: 100 - total flux cleaned = 0.00199752 Jy ! Component: 150 - total flux cleaned = 0.00194939 Jy ! Component: 200 - total flux cleaned = 0.00169693 Jy ! Total flux subtracted in 200 components = 0.00169693 Jy ! Clean residual min=-0.002154 max=0.001943 Jy/beam ! Clean residual mean=-0.000006 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.152231 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 = -0.000150815 Jy ! Component: 100 - total flux cleaned = -0.000327806 Jy ! Component: 150 - total flux cleaned = -0.000525441 Jy ! Component: 200 - total flux cleaned = -0.000650582 Jy ! Total flux subtracted in 200 components = -0.000650582 Jy ! Clean residual min=-0.002122 max=0.001879 Jy/beam ! Clean residual mean=-0.000006 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.15158 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 86 components and 0.15158 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=3.908 mas, bpa=-5.575 degrees ! Estimated noise=0.491438 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000247418 Jy ! Component: 100 - total flux cleaned = -0.000616216 Jy ! Component: 150 - total flux cleaned = -0.000816664 Jy ! Component: 200 - total flux cleaned = -0.000996652 Jy ! Total flux subtracted in 200 components = -0.000996652 Jy ! Clean residual min=-0.002460 max=0.002201 Jy/beam ! Clean residual mean=-0.000004 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.150584 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 106 components and 0.150584 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=0.076716Jy sigma=1.203895 ! Fit after self-cal, rms=0.076742Jy sigma=1.203372 wmodel J0301-1652_C_map.mod ! Writing 106 model components to file: J0301-1652_C_map.mod wobs J0301-1652_C_uvs.fits ! Writing UV FITS file: J0301-1652_C_uvs.fits wwins J0301-1652_C_map.win ! wwins: Wrote 4 windows to J0301-1652_C_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 = -0.00110672 Jy ! Component: 100 - total flux cleaned = -0.001624 Jy ! Component: 150 - total flux cleaned = -0.0019247 Jy ! Component: 200 - total flux cleaned = -0.00228323 Jy ! Component: 250 - total flux cleaned = -0.00242183 Jy ! Component: 300 - total flux cleaned = -0.002556 Jy ! Component: 350 - total flux cleaned = -0.00265447 Jy ! Component: 400 - total flux cleaned = -0.00271795 Jy ! Component: 450 - total flux cleaned = -0.00268622 Jy ! Component: 500 - total flux cleaned = -0.0026551 Jy ! Component: 550 - total flux cleaned = -0.00265538 Jy ! Component: 600 - total flux cleaned = -0.00262569 Jy ! Component: 650 - total flux cleaned = -0.00271412 Jy ! Component: 700 - total flux cleaned = -0.00271389 Jy ! Component: 750 - total flux cleaned = -0.00277101 Jy ! Component: 800 - total flux cleaned = -0.00285565 Jy ! Component: 850 - total flux cleaned = -0.00293891 Jy ! Component: 900 - total flux cleaned = -0.00296601 Jy ! Component: 950 - total flux cleaned = -0.00307443 Jy ! Component: 1000 - total flux cleaned = -0.00312795 Jy ! Component: 1050 - total flux cleaned = -0.00323382 Jy ! Component: 1100 - total flux cleaned = -0.00331243 Jy ! Component: 1150 - total flux cleaned = -0.00339006 Jy ! Component: 1200 - total flux cleaned = -0.00349254 Jy ! Component: 1250 - total flux cleaned = -0.00349245 Jy ! Component: 1300 - total flux cleaned = -0.00361815 Jy ! Component: 1350 - total flux cleaned = -0.0036929 Jy ! Component: 1400 - total flux cleaned = -0.00384065 Jy ! Component: 1450 - total flux cleaned = -0.0038892 Jy ! Component: 1500 - total flux cleaned = -0.00396165 Jy ! Component: 1550 - total flux cleaned = -0.00403363 Jy ! Component: 1600 - total flux cleaned = -0.00410442 Jy ! Component: 1650 - total flux cleaned = -0.00415148 Jy ! Component: 1700 - total flux cleaned = -0.00424428 Jy ! Component: 1750 - total flux cleaned = -0.00429006 Jy ! Component: 1800 - total flux cleaned = -0.00438122 Jy ! Component: 1850 - total flux cleaned = -0.00438111 Jy ! Component: 1900 - total flux cleaned = -0.00447066 Jy ! Component: 1950 - total flux cleaned = -0.00455945 Jy ! Component: 2000 - total flux cleaned = -0.00466929 Jy ! Component: 2050 - total flux cleaned = -0.00469085 Jy ! Component: 2100 - total flux cleaned = -0.00477725 Jy ! Component: 2150 - total flux cleaned = -0.00481994 Jy ! Component: 2200 - total flux cleaned = -0.00488376 Jy ! Component: 2250 - total flux cleaned = -0.00496787 Jy ! Component: 2300 - total flux cleaned = -0.00500961 Jy ! Component: 2350 - total flux cleaned = -0.00509265 Jy ! Component: 2400 - total flux cleaned = -0.00515416 Jy ! Component: 2450 - total flux cleaned = -0.00521523 Jy ! Component: 2500 - total flux cleaned = -0.00521523 Jy ! Component: 2550 - total flux cleaned = -0.00525563 Jy ! Component: 2600 - total flux cleaned = -0.00531541 Jy ! Component: 2650 - total flux cleaned = -0.00535484 Jy ! Component: 2700 - total flux cleaned = -0.00533523 Jy ! Component: 2750 - total flux cleaned = -0.00539382 Jy ! Component: 2800 - total flux cleaned = -0.00543256 Jy ! Component: 2850 - total flux cleaned = -0.00550967 Jy ! Component: 2900 - total flux cleaned = -0.00550961 Jy ! Component: 2950 - total flux cleaned = -0.00550953 Jy ! Component: 3000 - total flux cleaned = -0.00554739 Jy ! Component: 3050 - total flux cleaned = -0.00552861 Jy ! Component: 3100 - total flux cleaned = -0.00564051 Jy ! Component: 3150 - total flux cleaned = -0.00560328 Jy ! Component: 3200 - total flux cleaned = -0.00565849 Jy ! Component: 3250 - total flux cleaned = -0.00567663 Jy ! Component: 3300 - total flux cleaned = -0.00565851 Jy ! Component: 3350 - total flux cleaned = -0.00574904 Jy ! Component: 3400 - total flux cleaned = -0.00580288 Jy ! Component: 3450 - total flux cleaned = -0.00578503 Jy ! Component: 3500 - total flux cleaned = -0.00583832 Jy ! Component: 3550 - total flux cleaned = -0.00585606 Jy ! Component: 3600 - total flux cleaned = -0.00587376 Jy ! Component: 3650 - total flux cleaned = -0.00596119 Jy ! Component: 3700 - total flux cleaned = -0.00599583 Jy ! Component: 3750 - total flux cleaned = -0.00608205 Jy ! Component: 3800 - total flux cleaned = -0.00609938 Jy ! Component: 3850 - total flux cleaned = -0.00618473 Jy ! Component: 3900 - total flux cleaned = -0.00623569 Jy ! Component: 3950 - total flux cleaned = -0.00630313 Jy ! Component: 4000 - total flux cleaned = -0.00637033 Jy ! Component: 4050 - total flux cleaned = -0.0064037 Jy ! Total flux subtracted in 4096 components = -0.00647021 Jy ! Clean residual min=-0.000983 max=0.000859 Jy/beam ! Clean residual mean=-0.000002 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.144114 Jy keep ! Adding 254 model components to the UV plane model. ! The established model now contains 360 components and 0.144114 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0301-1652_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.646 x 3.908 at -5.575 degrees (North through East) ! Clean map min=-0.0023983 max=0.11246 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0301-1652_C_20180501_map.fits wmodel /vlbi/bs262/maps//J0301-1652_C_20180501_map.mod ! Writing 360 model components to file: /vlbi/bs262/maps//J0301-1652_C_20180501_map.mod wobs /vlbi/bs262/maps//J0301-1652_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0301-1652_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J0301-1652_C_20180501_map.win ! wwins: Wrote 5 windows to /vlbi/bs262/maps//J0301-1652_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.112457 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000297066 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.792479 0.792479 1.58496 3.16992 6.33983 12.6797 25.3593 50.7187 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.112 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 378.558 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0301-1652_C_20180501_dfm.log closed on Mon Jun 4 23:15:23 2018