! Started logfile: /vlbi/bs262/maps//J0830+5230_C_20180503_dfm.log on Mon Jun 4 23:27:27 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//J0830+5230_C_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0830+5230_C_20180503_uva.fits ! AN table 1: 90 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0830+5230 ! ! 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 20160 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 J0830+5230_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=1.000426Jy sigma=29.521338 ! Fit after self-cal, rms=0.990400Jy sigma=29.238384 ! 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=1.163 mas, bmaj=5.113 mas, bpa=9.567 degrees ! Estimated noise=0.346361 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 = 0.00753734 Jy ! Component: 100 - total flux cleaned = 0.00922501 Jy ! Total flux subtracted in 100 components = 0.00922501 Jy ! Clean residual min=-0.001025 max=0.000944 Jy/beam ! Clean residual mean=0.000000 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.00922501 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.00922501 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=0.025022Jy sigma=0.691288 ! Fit after self-cal, rms=0.023603Jy sigma=0.649328 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00316818 Jy ! Component: 100 - total flux cleaned = 0.00405295 Jy ! Total flux subtracted in 100 components = 0.00405295 Jy ! Clean residual min=-0.000977 max=0.001111 Jy/beam ! Clean residual mean=0.000000 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.013278 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 10 components and 0.013278 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=0.023161Jy sigma=0.638082 ! Fit after self-cal, rms=0.023149Jy sigma=0.637988 ! 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=1.544 mas, bmaj=5.089 mas, bpa=9.922 degrees ! Estimated noise=0.172082 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 (-3.6, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000771008 Jy ! Component: 100 - total flux cleaned = 0.000937838 Jy ! Component: 150 - total flux cleaned = 0.00104729 Jy ! Component: 200 - total flux cleaned = 0.00108689 Jy ! Total flux subtracted in 200 components = 0.00108689 Jy ! Clean residual min=-0.000574 max=0.000633 Jy/beam ! Clean residual mean=0.000000 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0143648 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 33 components and 0.0143648 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=0.023112Jy sigma=0.637165 ! Fit after self-cal, rms=0.023081Jy sigma=0.636814 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.544 x 5.089 at 9.922 degrees (North through East) ! Clean map min=-0.00061564 max=0.013136 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.81 KP 1.07 LA 0.98 ! MK 0.84 NL 0.92 PT 0.99 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.80 KP 0.99 LA 1.06 ! MK 1.01 NL 1.07 PT 0.83 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.79 KP 0.93 LA 1.03 ! MK 0.88 NL 0.91 PT 0.99 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.89 KP 1.15 LA 1.13 ! MK 0.98 NL 1.52 PT 0.81 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 KP 1.01 LA 1.06 ! MK 0.99 NL 1.02 PT 0.91 SC 1.08 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.90 KP 1.05 LA 1.07 ! MK 1.00 NL 1.08 PT 1.09 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 KP 1.07 LA 1.16 ! MK 0.92 NL 1.02 PT 1.00 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.06 KP 1.04 LA 1.17 ! MK 0.96 NL 1.03 PT 0.97 SC 1.02 ! ! ! Fit before self-cal, rms=0.023081Jy sigma=0.636814 ! Fit after self-cal, rms=0.022530Jy sigma=0.633863 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.536 mas, bmaj=5.119 mas, bpa=9.839 degrees ! Estimated noise=0.171508 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 = -0.000112658 Jy ! Component: 100 - total flux cleaned = -0.000124519 Jy ! Component: 150 - total flux cleaned = -0.000144184 Jy ! Component: 200 - total flux cleaned = -0.000153158 Jy ! Total flux subtracted in 200 components = -0.000153158 Jy ! Clean residual min=-0.000383 max=0.000382 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0142117 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 45 components and 0.0142117 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=0.022527Jy sigma=0.633789 ! Fit after self-cal, rms=0.022565Jy sigma=0.632763 ! 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=0.022565Jy sigma=0.632763 ! Fit after self-cal, rms=0.022871Jy sigma=0.632479 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.534 mas, bmaj=5.134 mas, bpa=9.817 degrees ! Estimated noise=0.171947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.80675e-05 Jy ! Component: 100 - total flux cleaned = -8.43748e-05 Jy ! Component: 150 - total flux cleaned = -9.81141e-05 Jy ! Component: 200 - total flux cleaned = -0.000110551 Jy ! Total flux subtracted in 200 components = -0.000110551 Jy ! Clean residual min=-0.000363 max=0.000356 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0141011 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 52 components and 0.0141011 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=0.022868Jy sigma=0.632411 ! Fit after self-cal, rms=0.022903Jy sigma=0.632214 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 = 1.1316e-05 Jy ! Component: 100 - total flux cleaned = 2.1132e-05 Jy ! Component: 150 - total flux cleaned = 1.28875e-05 Jy ! Component: 200 - total flux cleaned = 1.29845e-05 Jy ! Total flux subtracted in 200 components = 1.29845e-05 Jy ! Clean residual min=-0.000368 max=0.000347 Jy/beam ! Clean residual mean=0.000000 rms=0.000090 Jy/beam ! Combined flux in latest and established models = 0.0141141 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 67 components and 0.0141141 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=0.022901Jy sigma=0.632160 ! Fit after self-cal, rms=0.022901Jy sigma=0.632144 ! 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=0.022901Jy sigma=0.632144 ! Fit after self-cal, rms=0.023154Jy sigma=0.632093 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.536 mas, bmaj=5.14 mas, bpa=9.812 degrees ! Estimated noise=0.172696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.80242e-05 Jy ! Component: 100 - total flux cleaned = -8.13273e-05 Jy ! Component: 150 - total flux cleaned = -8.49678e-05 Jy ! Component: 200 - total flux cleaned = -9.53821e-05 Jy ! Total flux subtracted in 200 components = -9.53821e-05 Jy ! Clean residual min=-0.000359 max=0.000335 Jy/beam ! Clean residual mean=0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0140187 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 70 components and 0.0140187 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=0.023153Jy sigma=0.632047 ! Fit after self-cal, rms=0.023171Jy sigma=0.632014 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 = -1.11437e-05 Jy ! Component: 100 - total flux cleaned = -1.11228e-05 Jy ! Component: 150 - total flux cleaned = -1.83408e-05 Jy ! Component: 200 - total flux cleaned = -2.49679e-05 Jy ! Total flux subtracted in 200 components = -2.49679e-05 Jy ! Clean residual min=-0.000360 max=0.000336 Jy/beam ! Clean residual mean=0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0139938 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 73 components and 0.0139938 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=0.023170Jy sigma=0.631978 ! Fit after self-cal, rms=0.023170Jy sigma=0.631968 ! 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=0.023170Jy sigma=0.631968 ! Fit after self-cal, rms=0.023321Jy sigma=0.631951 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.805 mas, bmaj=5.241 mas, bpa=13.73 degrees ! Estimated noise=0.219967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00010941 Jy ! Component: 100 - total flux cleaned = -0.000136994 Jy ! Component: 150 - total flux cleaned = -0.000154991 Jy ! Component: 200 - total flux cleaned = -0.000171394 Jy ! Total flux subtracted in 200 components = -0.000171394 Jy ! Clean residual min=-0.000330 max=0.000321 Jy/beam ! Clean residual mean=0.000001 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0138224 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 84 components and 0.0138224 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=0.023321Jy sigma=0.631943 ! Fit after self-cal, rms=0.023329Jy sigma=0.631897 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 = -2.95861e-05 Jy ! Component: 100 - total flux cleaned = -5.65613e-05 Jy ! Component: 150 - total flux cleaned = -7.32712e-05 Jy ! Component: 200 - total flux cleaned = -8.85307e-05 Jy ! Total flux subtracted in 200 components = -8.85307e-05 Jy ! Clean residual min=-0.000332 max=0.000329 Jy/beam ! Clean residual mean=0.000001 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0137338 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 88 components and 0.0137338 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=0.023329Jy sigma=0.631893 ! Fit after self-cal, rms=0.023328Jy sigma=0.631869 ! 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=1.537 mas, bmaj=5.146 mas, bpa=9.801 degrees ! Estimated noise=0.173243 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.537 x 5.146 at 9.801 degrees (North through East) ! Clean map min=-0.000496 max=0.013007 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=1.153 mas, bmaj=5.2 mas, bpa=9.348 degrees ! Estimated noise=0.354982 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104595 Jy ! Component: 100 - total flux cleaned = 0.0123929 Jy ! Component: 150 - total flux cleaned = 0.0124936 Jy ! Component: 200 - total flux cleaned = 0.0126306 Jy ! Total flux subtracted in 200 components = 0.0126306 Jy ! Clean residual min=-0.000793 max=0.000821 Jy/beam ! Clean residual mean=0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0126305 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0126305 Jy ! Inverting map and beam ! Estimated beam: bmin=1.537 mas, bmaj=5.146 mas, bpa=9.801 degrees ! Estimated noise=0.173243 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) ! Added new window around map position (-68.4, -26.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000633941 Jy ! Component: 100 - total flux cleaned = 0.00097941 Jy ! Component: 150 - total flux cleaned = 0.00107425 Jy ! Component: 200 - total flux cleaned = 0.00110446 Jy ! Total flux subtracted in 200 components = 0.00110446 Jy ! Clean residual min=-0.000452 max=0.000380 Jy/beam ! Clean residual mean=0.000000 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.013735 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.013735 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=3.805 mas, bmaj=5.241 mas, bpa=13.73 degrees ! Estimated noise=0.219967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.63401e-05 Jy ! Component: 100 - total flux cleaned = -6.4693e-05 Jy ! Component: 150 - total flux cleaned = -8.45654e-05 Jy ! Component: 200 - total flux cleaned = -0.000115418 Jy ! Total flux subtracted in 200 components = -0.000115418 Jy ! Clean residual min=-0.000400 max=0.000344 Jy/beam ! Clean residual mean=0.000001 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0136196 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 = -1.70507e-05 Jy ! Component: 100 - total flux cleaned = -3.83242e-05 Jy ! Component: 150 - total flux cleaned = -5.82187e-05 Jy ! Component: 200 - total flux cleaned = -6.75628e-05 Jy ! Total flux subtracted in 200 components = -6.75628e-05 Jy ! Clean residual min=-0.000369 max=0.000314 Jy/beam ! Clean residual mean=0.000001 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.013552 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 73 components and 0.013552 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.537 mas, bmaj=5.146 mas, bpa=9.801 degrees ! Estimated noise=0.173243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.31658e-05 Jy ! Component: 100 - total flux cleaned = -7.22662e-05 Jy ! Component: 150 - total flux cleaned = -7.23019e-05 Jy ! Component: 200 - total flux cleaned = -6.11686e-05 Jy ! Total flux subtracted in 200 components = -6.11686e-05 Jy ! Clean residual min=-0.000370 max=0.000340 Jy/beam ! Clean residual mean=0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0134909 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.0134909 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=0.023326Jy sigma=0.631806 ! Fit after self-cal, rms=0.023329Jy sigma=0.631665 wmodel J0830+5230_C_map.mod ! Writing 87 model components to file: J0830+5230_C_map.mod wobs J0830+5230_C_uvs.fits ! Writing UV FITS file: J0830+5230_C_uvs.fits wwins J0830+5230_C_map.win ! wwins: Wrote 3 windows to J0830+5230_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 = -7.00929e-05 Jy ! Component: 100 - total flux cleaned = -0.00012419 Jy ! Component: 150 - total flux cleaned = -0.00014131 Jy ! Component: 200 - total flux cleaned = -0.0001252 Jy ! Component: 250 - total flux cleaned = -0.000114696 Jy ! Component: 300 - total flux cleaned = -8.92982e-05 Jy ! Component: 350 - total flux cleaned = -7.94221e-05 Jy ! Component: 400 - total flux cleaned = -8.41228e-05 Jy ! Component: 450 - total flux cleaned = -7.44765e-05 Jy ! Component: 500 - total flux cleaned = -5.61062e-05 Jy ! Component: 550 - total flux cleaned = -4.71699e-05 Jy ! Component: 600 - total flux cleaned = -4.28928e-05 Jy ! Component: 650 - total flux cleaned = -5.58962e-05 Jy ! Component: 700 - total flux cleaned = -5.58516e-05 Jy ! Component: 750 - total flux cleaned = -5.16832e-05 Jy ! Component: 800 - total flux cleaned = -5.16463e-05 Jy ! Component: 850 - total flux cleaned = -5.162e-05 Jy ! Component: 900 - total flux cleaned = -1.58706e-05 Jy ! Component: 950 - total flux cleaned = -2.63786e-07 Jy ! Component: 1000 - total flux cleaned = 1.9137e-05 Jy ! Component: 1050 - total flux cleaned = 4.57743e-05 Jy ! Component: 1100 - total flux cleaned = 6.83648e-05 Jy ! Component: 1150 - total flux cleaned = 9.43765e-05 Jy ! Component: 1200 - total flux cleaned = 0.0001127 Jy ! Component: 1250 - total flux cleaned = 0.00014173 Jy ! Component: 1300 - total flux cleaned = 0.000163199 Jy ! Component: 1350 - total flux cleaned = 0.000173779 Jy ! Component: 1400 - total flux cleaned = 0.000191365 Jy ! Component: 1450 - total flux cleaned = 0.000212203 Jy ! Component: 1500 - total flux cleaned = 0.000222488 Jy ! Component: 1550 - total flux cleaned = 0.000239477 Jy ! Component: 1600 - total flux cleaned = 0.000256259 Jy ! Component: 1650 - total flux cleaned = 0.000262885 Jy ! Component: 1700 - total flux cleaned = 0.000279381 Jy ! Component: 1750 - total flux cleaned = 0.000292414 Jy ! Component: 1800 - total flux cleaned = 0.000298901 Jy ! Component: 1850 - total flux cleaned = 0.00031812 Jy ! Component: 1900 - total flux cleaned = 0.000333938 Jy ! Component: 1950 - total flux cleaned = 0.000346517 Jy ! Component: 2000 - total flux cleaned = 0.000365208 Jy ! Component: 2050 - total flux cleaned = 0.000377573 Jy ! Component: 2100 - total flux cleaned = 0.000389841 Jy ! Component: 2150 - total flux cleaned = 0.000402017 Jy ! Component: 2200 - total flux cleaned = 0.000420124 Jy ! Component: 2250 - total flux cleaned = 0.000429103 Jy ! Component: 2300 - total flux cleaned = 0.000440984 Jy ! Component: 2350 - total flux cleaned = 0.000440999 Jy ! Component: 2400 - total flux cleaned = 0.000458638 Jy ! Component: 2450 - total flux cleaned = 0.000470276 Jy ! Component: 2500 - total flux cleaned = 0.000478955 Jy ! Component: 2550 - total flux cleaned = 0.00049048 Jy ! Component: 2600 - total flux cleaned = 0.000507603 Jy ! Component: 2650 - total flux cleaned = 0.000518967 Jy ! Component: 2700 - total flux cleaned = 0.000538749 Jy ! Component: 2750 - total flux cleaned = 0.000552768 Jy ! Component: 2800 - total flux cleaned = 0.000555549 Jy ! Component: 2850 - total flux cleaned = 0.000569434 Jy ! Component: 2900 - total flux cleaned = 0.000574951 Jy ! Component: 2950 - total flux cleaned = 0.0005832 Jy ! Component: 3000 - total flux cleaned = 0.000594148 Jy ! Component: 3050 - total flux cleaned = 0.000591437 Jy ! Component: 3100 - total flux cleaned = 0.000604996 Jy ! Component: 3150 - total flux cleaned = 0.000607695 Jy ! Component: 3200 - total flux cleaned = 0.000610392 Jy ! Component: 3250 - total flux cleaned = 0.000634452 Jy ! Component: 3300 - total flux cleaned = 0.000642425 Jy ! Component: 3350 - total flux cleaned = 0.000645082 Jy ! Component: 3400 - total flux cleaned = 0.000653005 Jy ! Component: 3450 - total flux cleaned = 0.000668761 Jy ! Component: 3500 - total flux cleaned = 0.000673977 Jy ! Component: 3550 - total flux cleaned = 0.000689591 Jy ! Component: 3600 - total flux cleaned = 0.000697354 Jy ! Component: 3650 - total flux cleaned = 0.000712831 Jy ! Component: 3700 - total flux cleaned = 0.000717946 Jy ! Component: 3750 - total flux cleaned = 0.000733299 Jy ! Component: 3800 - total flux cleaned = 0.000738399 Jy ! Component: 3850 - total flux cleaned = 0.000758721 Jy ! Component: 3900 - total flux cleaned = 0.000768846 Jy ! Component: 3950 - total flux cleaned = 0.000783987 Jy ! Component: 4000 - total flux cleaned = 0.000791532 Jy ! Component: 4050 - total flux cleaned = 0.00080155 Jy ! Total flux subtracted in 4096 components = 0.00081902 Jy ! Clean residual min=-0.000125 max=0.000150 Jy/beam ! Clean residual mean=0.000001 rms=0.000046 Jy/beam ! Combined flux in latest and established models = 0.0143099 Jy keep ! Adding 280 model components to the UV plane model. ! The established model now contains 366 components and 0.0143099 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0830+5230_C_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.537 x 5.146 at 9.801 degrees (North through East) ! Clean map min=-0.00071136 max=0.012657 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0830+5230_C_20180503_map.fits wmodel /vlbi/bs262/maps//J0830+5230_C_20180503_map.mod ! Writing 366 model components to file: /vlbi/bs262/maps//J0830+5230_C_20180503_map.mod wobs /vlbi/bs262/maps//J0830+5230_C_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0830+5230_C_20180503_uvs.fits wwins /vlbi/bs262/maps//J0830+5230_C_20180503_map.win ! wwins: Wrote 4 windows to /vlbi/bs262/maps//J0830+5230_C_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0126572 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.47182e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.05991 1.05991 2.11982 4.23963 8.47926 16.9585 33.917 67.8341 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.012 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 283.043 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0830+5230_C_20180503_dfm.log closed on Mon Jun 4 23:27:31 2018