! Started logfile: /vlbi/sb072/temp_maps//J1800+1731_C_dfm.log on Tue Mar 5 23:26:30 2019 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/sb072/temp_maps//J1800+1731_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1800+1731_C_uva.fits ! AN table 1: 4 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.994444 visibilities/baseline/integration-bin. ! Found source: J1800+1731 ! ! 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 1432 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 J1800+1731_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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.001813Jy sigma=43.327402 ! Fit after self-cal, rms=0.921937Jy sigma=39.871078 ! 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=1.478 mas, bmaj=3.699 mas, bpa=11.65 degrees ! Estimated noise=0.582689 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 = 0.0577666 Jy ! Component: 100 - total flux cleaned = 0.0713454 Jy ! Total flux subtracted in 100 components = 0.0713454 Jy ! Clean residual min=-0.003304 max=0.005509 Jy/beam ! Clean residual mean=0.000001 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.0713454 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0713454 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=0.024196Jy sigma=0.970512 ! Fit after self-cal, rms=0.024174Jy sigma=0.969676 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00622689 Jy ! Component: 100 - total flux cleaned = 0.00964947 Jy ! Total flux subtracted in 100 components = 0.00964947 Jy ! Clean residual min=-0.002884 max=0.003944 Jy/beam ! Clean residual mean=0.000001 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 0.0809949 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 8 components and 0.0809949 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=0.021413Jy sigma=0.852777 ! Fit after self-cal, rms=0.021403Jy sigma=0.852200 ! 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=1.763 mas, bmaj=4.105 mas, bpa=10.65 degrees ! Estimated noise=0.445241 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 = 0.00391125 Jy ! Component: 100 - total flux cleaned = 0.00594358 Jy ! Component: 150 - total flux cleaned = 0.00716276 Jy ! Component: 200 - total flux cleaned = 0.00791903 Jy ! Total flux subtracted in 200 components = 0.00791903 Jy ! Clean residual min=-0.003445 max=0.004917 Jy/beam ! Clean residual mean=0.000004 rms=0.000931 Jy/beam ! Combined flux in latest and established models = 0.0889139 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 24 components and 0.0889139 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=0.020598Jy sigma=0.826168 ! Fit after self-cal, rms=0.020599Jy sigma=0.825978 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.763 x 4.105 at 10.65 degrees (North through East) ! Clean map min=-0.0033658 max=0.077798 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.92 HN 0.93 KP 1.00 ! LA 1.11 MK 1.12 NL 1.23 OV 0.93 ! PT 0.87 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.92 HN 0.93 KP 0.98 ! LA 1.06 MK 1.05 NL 1.20 OV 0.98 ! PT 0.88 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.89 HN 0.96 KP 0.96 ! LA 1.06 MK 0.99 NL 1.18 OV 0.99 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.93 HN 0.88 KP 0.96 ! LA 1.08 MK 1.00 NL 1.16 OV 1.01 ! PT 0.75 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.94 HN 0.91 KP 0.90 ! LA 1.07 MK 1.05 NL 1.15 OV 1.00 ! PT 0.93 SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 HN 0.94 KP 0.96 ! LA 1.07 MK 1.03 NL 1.09 OV 0.97 ! PT 0.89 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 0.94 KP 0.96 ! LA 1.11 MK 1.04 NL 1.11 OV 0.96 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 0.93 KP 1.00 ! LA 1.07 MK 1.05 NL 1.11 OV 0.99 ! PT 0.92 SC 1.01 ! ! ! Fit before self-cal, rms=0.020599Jy sigma=0.825978 ! Fit after self-cal, rms=0.018112Jy sigma=0.726167 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.769 mas, bmaj=4.132 mas, bpa=10.58 degrees ! Estimated noise=0.444241 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 (-15.3, -2.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00397469 Jy ! Component: 100 - total flux cleaned = 0.00577616 Jy ! Component: 150 - total flux cleaned = 0.00611106 Jy ! Component: 200 - total flux cleaned = 0.00643782 Jy ! Total flux subtracted in 200 components = 0.00643782 Jy ! Clean residual min=-0.001437 max=0.002512 Jy/beam ! Clean residual mean=0.000001 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.0953517 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 49 components and 0.0953517 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=0.017241Jy sigma=0.686183 ! Fit after self-cal, rms=0.017218Jy sigma=0.684565 ! Inverting map ! Added new window around map position (-36.3, -16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205767 Jy ! Component: 100 - total flux cleaned = 0.00319934 Jy ! Component: 150 - total flux cleaned = 0.00392603 Jy ! Component: 200 - total flux cleaned = 0.0043558 Jy ! Total flux subtracted in 200 components = 0.0043558 Jy ! Clean residual min=-0.001310 max=0.001663 Jy/beam ! Clean residual mean=0.000000 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.0997075 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 79 components and 0.0997076 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=0.016941Jy sigma=0.670977 ! Fit after self-cal, rms=0.016922Jy sigma=0.670272 ! 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=0.016922Jy sigma=0.670272 ! Fit after self-cal, rms=0.016719Jy sigma=0.667581 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.771 mas, bmaj=4.131 mas, bpa=10.54 degrees ! Estimated noise=0.440827 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000879446 Jy ! Component: 100 - total flux cleaned = 0.0012111 Jy ! Component: 150 - total flux cleaned = 0.00142859 Jy ! Component: 200 - total flux cleaned = 0.00151662 Jy ! Total flux subtracted in 200 components = 0.00151662 Jy ! Clean residual min=-0.001248 max=0.001428 Jy/beam ! Clean residual mean=0.000000 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.101224 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 93 components and 0.101224 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=0.016644Jy sigma=0.663946 ! Fit after self-cal, rms=0.016641Jy sigma=0.663859 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 (-23.1, -35.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000783248 Jy ! Component: 100 - total flux cleaned = 0.000960877 Jy ! Component: 150 - total flux cleaned = 0.00105803 Jy ! Component: 200 - total flux cleaned = 0.00107941 Jy ! Total flux subtracted in 200 components = 0.00107941 Jy ! Clean residual min=-0.001246 max=0.001197 Jy/beam ! Clean residual mean=0.000000 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.102304 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 124 components and 0.102304 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=0.016526Jy sigma=0.658291 ! Fit after self-cal, rms=0.016522Jy sigma=0.658112 ! 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=0.016522Jy sigma=0.658112 ! Fit after self-cal, rms=0.016505Jy sigma=0.657782 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.771 mas, bmaj=4.13 mas, bpa=10.62 degrees ! Estimated noise=0.440104 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00052271 Jy ! Component: 100 - total flux cleaned = 0.000643869 Jy ! Component: 150 - total flux cleaned = 0.000735892 Jy ! Component: 200 - total flux cleaned = 0.000753374 Jy ! Total flux subtracted in 200 components = 0.000753374 Jy ! Clean residual min=-0.001193 max=0.001123 Jy/beam ! Clean residual mean=0.000000 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.103057 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 135 components and 0.103057 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=0.016465Jy sigma=0.655873 ! Fit after self-cal, rms=0.016465Jy sigma=0.655853 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 = 8.622e-05 Jy ! Component: 100 - total flux cleaned = 0.000102535 Jy ! Component: 150 - total flux cleaned = 0.000146944 Jy ! Component: 200 - total flux cleaned = 0.000188902 Jy ! Total flux subtracted in 200 components = 0.000188902 Jy ! Clean residual min=-0.001172 max=0.001105 Jy/beam ! Clean residual mean=0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.103246 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 146 components and 0.103246 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=0.016441Jy sigma=0.654748 ! Fit after self-cal, rms=0.016441Jy sigma=0.654736 ! 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=0.016441Jy sigma=0.654736 ! Fit after self-cal, rms=0.016433Jy sigma=0.654645 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.644 mas, bmaj=5.619 mas, bpa=-1.507 degrees ! Estimated noise=0.528928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000461849 Jy ! Component: 100 - total flux cleaned = 0.000496402 Jy ! Component: 150 - total flux cleaned = 0.000542098 Jy ! Component: 200 - total flux cleaned = 0.000541521 Jy ! Total flux subtracted in 200 components = 0.000541521 Jy ! Clean residual min=-0.001272 max=0.001167 Jy/beam ! Clean residual mean=0.000001 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.103787 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 164 components and 0.103787 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=0.016427Jy sigma=0.653998 ! Fit after self-cal, rms=0.016424Jy sigma=0.653967 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.75071e-05 Jy ! Component: 100 - total flux cleaned = 1.95589e-06 Jy ! Component: 150 - total flux cleaned = -3.45295e-05 Jy ! Component: 200 - total flux cleaned = -4.60044e-05 Jy ! Total flux subtracted in 200 components = -4.60044e-05 Jy ! Clean residual min=-0.001247 max=0.001156 Jy/beam ! Clean residual mean=0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.103741 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 171 components and 0.103741 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=0.016421Jy sigma=0.653670 ! Fit after self-cal, rms=0.016419Jy sigma=0.653652 ! 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=1.772 mas, bmaj=4.13 mas, bpa=10.64 degrees ! Estimated noise=0.439814 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.772 x 4.13 at 10.64 degrees (North through East) ! Clean map min=-0.0010744 max=0.077642 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=1.478 mas, bmaj=3.71 mas, bpa=11.58 degrees ! Estimated noise=0.581873 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0576546 Jy ! Component: 100 - total flux cleaned = 0.0714372 Jy ! Component: 150 - total flux cleaned = 0.0778856 Jy ! Component: 200 - total flux cleaned = 0.0819657 Jy ! Total flux subtracted in 200 components = 0.0819657 Jy ! Clean residual min=-0.001965 max=0.002775 Jy/beam ! Clean residual mean=-0.000000 rms=0.000529 Jy/beam ! Combined flux in latest and established models = 0.0819657 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0819657 Jy ! Inverting map and beam ! Estimated beam: bmin=1.772 mas, bmaj=4.13 mas, bpa=10.64 degrees ! Estimated noise=0.439814 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 = 0.00413152 Jy ! Component: 100 - total flux cleaned = 0.00719353 Jy ! Component: 150 - total flux cleaned = 0.00959625 Jy ! Component: 200 - total flux cleaned = 0.0115529 Jy ! Total flux subtracted in 200 components = 0.0115529 Jy ! Clean residual min=-0.001561 max=0.001902 Jy/beam ! Clean residual mean=0.000001 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.0935186 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 0.0935186 Jy ! Inverting map ! Added new window around map position (-5.7, -0.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184931 Jy ! Component: 100 - total flux cleaned = 0.0032352 Jy ! Component: 150 - total flux cleaned = 0.00441474 Jy ! Component: 200 - total flux cleaned = 0.00536642 Jy ! Total flux subtracted in 200 components = 0.00536642 Jy ! Clean residual min=-0.001352 max=0.001345 Jy/beam ! Clean residual mean=0.000000 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.098885 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 75 components and 0.098885 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=3.644 mas, bmaj=5.619 mas, bpa=-1.507 degrees ! Estimated noise=0.528928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156025 Jy ! Component: 100 - total flux cleaned = 0.00278516 Jy ! Component: 150 - total flux cleaned = 0.00360715 Jy ! Component: 200 - total flux cleaned = 0.0041387 Jy ! Total flux subtracted in 200 components = 0.0041387 Jy ! Clean residual min=-0.001451 max=0.001303 Jy/beam ! Clean residual mean=0.000000 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.103024 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 = 0.000252105 Jy ! Component: 100 - total flux cleaned = 0.0004535 Jy ! Component: 150 - total flux cleaned = 0.000612754 Jy ! Component: 200 - total flux cleaned = 0.000783834 Jy ! Total flux subtracted in 200 components = 0.000783834 Jy ! Clean residual min=-0.001381 max=0.001245 Jy/beam ! Clean residual mean=0.000000 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.103808 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 123 components and 0.103808 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.772 mas, bmaj=4.13 mas, bpa=10.64 degrees ! Estimated noise=0.439814 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000175457 Jy ! Component: 100 - total flux cleaned = -8.08354e-05 Jy ! Component: 150 - total flux cleaned = 5.44197e-06 Jy ! Component: 200 - total flux cleaned = 6.5812e-05 Jy ! Total flux subtracted in 200 components = 6.5812e-05 Jy ! Clean residual min=-0.001215 max=0.001058 Jy/beam ! Clean residual mean=0.000000 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.103873 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 155 components and 0.103873 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=0.016406Jy sigma=0.654555 ! Fit after self-cal, rms=0.016390Jy sigma=0.654068 wmodel J1800+1731_C_map.mod ! Writing 155 model components to file: J1800+1731_C_map.mod wobs J1800+1731_C_uvs.fits ! Writing UV FITS file: J1800+1731_C_uvs.fits wwins J1800+1731_C_map.win ! wwins: Wrote 5 windows to J1800+1731_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 = -0.00036791 Jy ! Component: 100 - total flux cleaned = -0.000366996 Jy ! Component: 150 - total flux cleaned = -0.000536965 Jy ! Component: 200 - total flux cleaned = -0.000601652 Jy ! Component: 250 - total flux cleaned = -0.000678679 Jy ! Component: 300 - total flux cleaned = -0.000737955 Jy ! Component: 350 - total flux cleaned = -0.000766733 Jy ! Component: 400 - total flux cleaned = -0.000766991 Jy ! Component: 450 - total flux cleaned = -0.000767231 Jy ! Component: 500 - total flux cleaned = -0.00076719 Jy ! Component: 550 - total flux cleaned = -0.000754468 Jy ! Component: 600 - total flux cleaned = -0.000766804 Jy ! Component: 650 - total flux cleaned = -0.000791179 Jy ! Component: 700 - total flux cleaned = -0.000803105 Jy ! Component: 750 - total flux cleaned = -0.000838157 Jy ! Component: 800 - total flux cleaned = -0.000894981 Jy ! Component: 850 - total flux cleaned = -0.000917313 Jy ! Component: 900 - total flux cleaned = -0.000982806 Jy ! Component: 950 - total flux cleaned = -0.00102551 Jy ! Component: 1000 - total flux cleaned = -0.00103585 Jy ! Component: 1050 - total flux cleaned = -0.00106681 Jy ! Component: 1100 - total flux cleaned = -0.00106684 Jy ! Component: 1150 - total flux cleaned = -0.00110689 Jy ! Component: 1200 - total flux cleaned = -0.00110666 Jy ! Component: 1250 - total flux cleaned = -0.00117525 Jy ! Component: 1300 - total flux cleaned = -0.00120419 Jy ! Component: 1350 - total flux cleaned = -0.00125184 Jy ! Component: 1400 - total flux cleaned = -0.00129882 Jy ! Component: 1450 - total flux cleaned = -0.00130807 Jy ! Component: 1500 - total flux cleaned = -0.00131723 Jy ! Component: 1550 - total flux cleaned = -0.00137182 Jy ! Component: 1600 - total flux cleaned = -0.00143429 Jy ! Component: 1650 - total flux cleaned = -0.00144318 Jy ! Component: 1700 - total flux cleaned = -0.00148713 Jy ! Component: 1750 - total flux cleaned = -0.00153029 Jy ! Component: 1800 - total flux cleaned = -0.00154732 Jy ! Component: 1850 - total flux cleaned = -0.00157263 Jy ! Component: 1900 - total flux cleaned = -0.0016144 Jy ! Component: 1950 - total flux cleaned = -0.00163099 Jy ! Component: 2000 - total flux cleaned = -0.00166383 Jy ! Component: 2050 - total flux cleaned = -0.00170432 Jy ! Component: 2100 - total flux cleaned = -0.00176848 Jy ! Component: 2150 - total flux cleaned = -0.00177635 Jy ! Component: 2200 - total flux cleaned = -0.00183923 Jy ! Component: 2250 - total flux cleaned = -0.00184709 Jy ! Component: 2300 - total flux cleaned = -0.00188556 Jy ! Component: 2350 - total flux cleaned = -0.00188562 Jy ! Component: 2400 - total flux cleaned = -0.00192346 Jy ! Component: 2450 - total flux cleaned = -0.001961 Jy ! Component: 2500 - total flux cleaned = -0.00196838 Jy ! Component: 2550 - total flux cleaned = -0.00199049 Jy ! Component: 2600 - total flux cleaned = -0.00201981 Jy ! Component: 2650 - total flux cleaned = -0.00202718 Jy ! Component: 2700 - total flux cleaned = -0.00204156 Jy ! Component: 2750 - total flux cleaned = -0.00206286 Jy ! Component: 2800 - total flux cleaned = -0.00207693 Jy ! Component: 2850 - total flux cleaned = -0.00209088 Jy ! Component: 2900 - total flux cleaned = -0.00213251 Jy ! Component: 2950 - total flux cleaned = -0.0021462 Jy ! Component: 3000 - total flux cleaned = -0.00215296 Jy ! Component: 3050 - total flux cleaned = -0.00215305 Jy ! Component: 3100 - total flux cleaned = -0.00216653 Jy ! Component: 3150 - total flux cleaned = -0.00217973 Jy ! Component: 3200 - total flux cleaned = -0.00219295 Jy ! Component: 3250 - total flux cleaned = -0.00223868 Jy ! Component: 3300 - total flux cleaned = -0.00224512 Jy ! Component: 3350 - total flux cleaned = -0.00224511 Jy ! Component: 3400 - total flux cleaned = -0.00227711 Jy ! Component: 3450 - total flux cleaned = -0.00227076 Jy ! Component: 3500 - total flux cleaned = -0.00229588 Jy ! Component: 3550 - total flux cleaned = -0.00230838 Jy ! Component: 3600 - total flux cleaned = -0.00230219 Jy ! Component: 3650 - total flux cleaned = -0.00232074 Jy ! Component: 3700 - total flux cleaned = -0.00232679 Jy ! Component: 3750 - total flux cleaned = -0.00232066 Jy ! Component: 3800 - total flux cleaned = -0.00232064 Jy ! Component: 3850 - total flux cleaned = -0.00234456 Jy ! Component: 3900 - total flux cleaned = -0.00234448 Jy ! Component: 3950 - total flux cleaned = -0.00233266 Jy ! Component: 4000 - total flux cleaned = -0.00233265 Jy ! Component: 4050 - total flux cleaned = -0.00235007 Jy ! Total flux subtracted in 4096 components = -0.00232692 Jy ! Clean residual min=-0.000315 max=0.000379 Jy/beam ! Clean residual mean=0.000001 rms=0.000103 Jy/beam ! Combined flux in latest and established models = 0.101546 Jy keep ! Adding 263 model components to the UV plane model. ! The established model now contains 418 components and 0.101546 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1800+1731_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.772 x 4.13 at 10.64 degrees (North through East) ! Clean map min=-0.00091924 max=0.077139 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1800+1731_C_map.fits wmodel /vlbi/sb072/temp_maps//J1800+1731_C_map.mod ! Writing 418 model components to file: /vlbi/sb072/temp_maps//J1800+1731_C_map.mod wobs /vlbi/sb072/temp_maps//J1800+1731_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1800+1731_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1800+1731_C_map.win ! wwins: Wrote 6 windows to /vlbi/sb072/temp_maps//J1800+1731_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.077139 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000101301 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.393967 0.393967 0.787934 1.57587 3.15174 6.30347 12.6069 25.2139 50.4278 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.077 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 761.485 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1800+1731_C_dfm.log closed on Tue Mar 5 23:26:35 2019