! Started logfile: /vlbi/uf001/uva//J0458+5508_X_dfm.log on Sun Jan 13 22:23:59 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J0458+5508_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0458+5508_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.911728 visibilities/baseline/integration-bin. ! Found source: J0458+5508 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 35448 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0458+5508_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.027992Jy sigma=23.201199 ! Fit after self-cal, rms=0.800080Jy sigma=18.003352 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7561 mas, bmaj=1.023 mas, bpa=16.84 degrees ! Estimated noise=0.3795 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 = 0.152234 Jy ! Component: 100 - total flux cleaned = 0.19019 Jy ! Total flux subtracted in 100 components = 0.19019 Jy ! Clean residual min=-0.009473 max=0.034776 Jy/beam ! Clean residual mean=0.000042 rms=0.002318 Jy/beam ! Combined flux in latest and established models = 0.19019 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.19019 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.081309Jy sigma=1.773155 ! Fit after self-cal, rms=0.081293Jy sigma=1.772074 ! Inverting map ! Added new window around map position (-1.2, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0286911 Jy ! Component: 100 - total flux cleaned = 0.0421725 Jy ! Total flux subtracted in 100 components = 0.0421725 Jy ! Clean residual min=-0.006942 max=0.014153 Jy/beam ! Clean residual mean=0.000023 rms=0.001609 Jy/beam ! Combined flux in latest and established models = 0.232362 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 10 components and 0.232362 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068370Jy sigma=1.471019 ! Fit after self-cal, rms=0.067132Jy sigma=1.443985 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120656 Jy ! Component: 100 - total flux cleaned = 0.0195413 Jy ! Total flux subtracted in 100 components = 0.0195413 Jy ! Clean residual min=-0.006116 max=0.008826 Jy/beam ! Clean residual mean=0.000014 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.251904 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 0.251904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063989Jy sigma=1.369851 ! Fit after self-cal, rms=0.063783Jy sigma=1.365125 ! Inverting map ! Added new window around map position (-2.8, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0087888 Jy ! Component: 100 - total flux cleaned = 0.01433 Jy ! Total flux subtracted in 100 components = 0.01433 Jy ! Clean residual min=-0.005973 max=0.007670 Jy/beam ! Clean residual mean=0.000008 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 0.266234 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.266234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062177Jy sigma=1.329431 ! Fit after self-cal, rms=0.062072Jy sigma=1.326839 ! Inverting map ! Added new window around map position (-1.2, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00585578 Jy ! Component: 100 - total flux cleaned = 0.00859824 Jy ! Total flux subtracted in 100 components = 0.00859824 Jy ! Clean residual min=-0.006018 max=0.006154 Jy/beam ! Clean residual mean=0.000005 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 0.274832 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 0.274832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061125Jy sigma=1.308436 ! Fit after self-cal, rms=0.061071Jy sigma=1.307030 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9887 mas, bmaj=1.301 mas, bpa=17.64 degrees ! Estimated noise=0.168481 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 = 0.0049887 Jy ! Component: 100 - total flux cleaned = 0.00727826 Jy ! Component: 150 - total flux cleaned = 0.00867038 Jy ! Component: 200 - total flux cleaned = 0.00965279 Jy ! Total flux subtracted in 200 components = 0.00965279 Jy ! Clean residual min=-0.005535 max=0.005467 Jy/beam ! Clean residual mean=-0.000006 rms=0.001202 Jy/beam ! Combined flux in latest and established models = 0.284485 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 42 components and 0.284485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060483Jy sigma=1.294306 ! Fit after self-cal, rms=0.060456Jy sigma=1.293685 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9887 x 1.301 at 17.64 degrees (North through East) ! Clean map min=-0.0053056 max=0.19154 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.13 KP 1.00 ! LA 1.01 MK 0.98 NL 1.09 OV 0.92 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.12 KP 1.01 ! LA 1.01 MK 0.99 NL 1.10 OV 0.92 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 1.17 KP 1.01 ! LA 1.01 MK 1.00 NL 1.11 OV 0.92 ! PT 0.94 SC 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.11 KP 1.00 ! LA 1.02 MK 1.00 NL 1.09 OV 0.91 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 1.15 KP 0.99 ! LA 1.01 MK 1.00 NL 1.11 OV 0.91 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 1.14 KP 0.99 ! LA 1.02 MK 1.00 NL 1.11 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.17 KP 1.00 ! LA 1.03 MK 1.02 NL 1.11 OV 0.90 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.13 KP 1.02 ! LA 1.02 MK 1.01 NL 1.10 OV 0.91 ! PT 0.95 SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 1.12 KP 0.99 ! LA 1.01 MK 1.02 NL 1.10 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.13 KP 1.03 ! LA 1.03 MK 0.99 NL 1.10 OV 0.91 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.17 KP 1.01 ! LA 1.01 MK 1.00 NL 1.09 OV 0.91 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.18 KP 1.00 ! LA 1.03 MK 1.00 NL 1.09 OV 0.92 ! PT 0.96 SC 0.98 ! ! ! Fit before self-cal, rms=0.060456Jy sigma=1.293685 ! Fit after self-cal, rms=0.059608Jy sigma=1.228053 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9839 mas, bmaj=1.307 mas, bpa=18.78 degrees ! Estimated noise=0.170337 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 = -0.00270843 Jy ! Component: 100 - total flux cleaned = -0.00352279 Jy ! Component: 150 - total flux cleaned = -0.00424605 Jy ! Component: 200 - total flux cleaned = -0.00463433 Jy ! Total flux subtracted in 200 components = -0.00463433 Jy ! Clean residual min=-0.003379 max=0.002989 Jy/beam ! Clean residual mean=-0.000014 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.27985 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 54 components and 0.27985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059398Jy sigma=1.223486 ! Fit after self-cal, rms=0.059415Jy sigma=1.222970 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059415Jy sigma=1.222970 ! Fit after self-cal, rms=0.060112Jy sigma=1.185885 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9774 mas, bmaj=1.336 mas, bpa=19.66 degrees ! Estimated noise=0.171397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00275775 Jy ! Component: 100 - total flux cleaned = -0.00353307 Jy ! Component: 150 - total flux cleaned = -0.00378883 Jy ! Component: 200 - total flux cleaned = -0.00390092 Jy ! Total flux subtracted in 200 components = -0.00390092 Jy ! Clean residual min=-0.001918 max=0.001555 Jy/beam ! Clean residual mean=-0.000008 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.275949 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.275949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059923Jy sigma=1.181669 ! Fit after self-cal, rms=0.059950Jy sigma=1.181367 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 = -0.000474334 Jy ! Component: 100 - total flux cleaned = -0.00052323 Jy ! Component: 150 - total flux cleaned = -0.000610115 Jy ! Component: 200 - total flux cleaned = -0.000648623 Jy ! Total flux subtracted in 200 components = -0.000648623 Jy ! Clean residual min=-0.001747 max=0.001429 Jy/beam ! Clean residual mean=-0.000007 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.275301 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 0.275301 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059884Jy sigma=1.179872 ! Fit after self-cal, rms=0.059879Jy sigma=1.179820 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059879Jy sigma=1.179820 ! Fit after self-cal, rms=0.060224Jy sigma=1.178648 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9763 mas, bmaj=1.338 mas, bpa=19.72 degrees ! Estimated noise=0.171384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00171224 Jy ! Component: 100 - total flux cleaned = -0.00217348 Jy ! Component: 150 - total flux cleaned = -0.00234715 Jy ! Component: 200 - total flux cleaned = -0.00234652 Jy ! Total flux subtracted in 200 components = -0.00234652 Jy ! Clean residual min=-0.001399 max=0.001508 Jy/beam ! Clean residual mean=-0.000007 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.272954 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 0.272954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060142Jy sigma=1.176967 ! Fit after self-cal, rms=0.060141Jy sigma=1.176892 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 (-4.2, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000444271 Jy ! Component: 100 - total flux cleaned = 0.000286566 Jy ! Component: 150 - total flux cleaned = 0.000250233 Jy ! Component: 200 - total flux cleaned = 0.000249262 Jy ! Total flux subtracted in 200 components = 0.000249262 Jy ! Clean residual min=-0.001336 max=0.001183 Jy/beam ! Clean residual mean=-0.000007 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.273203 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 81 components and 0.273203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060089Jy sigma=1.175741 ! Fit after self-cal, rms=0.060086Jy sigma=1.175706 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060086Jy sigma=1.175706 ! Fit after self-cal, rms=0.060268Jy sigma=1.175348 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.294 mas, bmaj=2.501 mas, bpa=38.12 degrees ! Estimated noise=0.218614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000796643 Jy ! Component: 100 - total flux cleaned = -0.000962278 Jy ! Component: 150 - total flux cleaned = -0.000999341 Jy ! Component: 200 - total flux cleaned = -0.000984693 Jy ! Total flux subtracted in 200 components = -0.000984693 Jy ! Clean residual min=-0.001328 max=0.001223 Jy/beam ! Clean residual mean=-0.000016 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.272219 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 92 components and 0.272219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060250Jy sigma=1.175020 ! Fit after self-cal, rms=0.060250Jy sigma=1.174982 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 = -0.000124958 Jy ! Component: 100 - total flux cleaned = -0.000125009 Jy ! Component: 150 - total flux cleaned = -0.000100433 Jy ! Component: 200 - total flux cleaned = -8.87537e-05 Jy ! Total flux subtracted in 200 components = -8.87537e-05 Jy ! Clean residual min=-0.001319 max=0.001185 Jy/beam ! Clean residual mean=-0.000015 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.27213 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 96 components and 0.27213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060239Jy sigma=1.174780 ! Fit after self-cal, rms=0.060238Jy sigma=1.174755 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9755 mas, bmaj=1.34 mas, bpa=19.8 degrees ! Estimated noise=0.171291 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9755 x 1.34 at 19.8 degrees (North through East) ! Clean map min=-0.0015598 max=0.1955 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7446 mas, bmaj=1.052 mas, bpa=19.54 degrees ! Estimated noise=0.386656 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154283 Jy ! Component: 100 - total flux cleaned = 0.200045 Jy ! Component: 150 - total flux cleaned = 0.221676 Jy ! Component: 200 - total flux cleaned = 0.234288 Jy ! Total flux subtracted in 200 components = 0.234288 Jy ! Clean residual min=-0.003210 max=0.006528 Jy/beam ! Clean residual mean=0.000015 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.234288 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.234288 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9755 mas, bmaj=1.34 mas, bpa=19.8 degrees ! Estimated noise=0.171291 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 = 0.0126131 Jy ! Component: 100 - total flux cleaned = 0.0199301 Jy ! Component: 150 - total flux cleaned = 0.0247191 Jy ! Component: 200 - total flux cleaned = 0.0280998 Jy ! Total flux subtracted in 200 components = 0.0280998 Jy ! Clean residual min=-0.001432 max=0.002058 Jy/beam ! Clean residual mean=0.000001 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.262388 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 43 components and 0.262388 Jy ! Inverting map ! Added new window around map position (0.8, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0025049 Jy ! Component: 100 - total flux cleaned = 0.00439717 Jy ! Component: 150 - total flux cleaned = 0.00586624 Jy ! Component: 200 - total flux cleaned = 0.0070361 Jy ! Total flux subtracted in 200 components = 0.0070361 Jy ! Clean residual min=-0.001198 max=0.001329 Jy/beam ! Clean residual mean=-0.000004 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.269424 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 62 components and 0.269424 Jy ! Inverting map ! Added new window around map position (-0.4, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121041 Jy ! Component: 100 - total flux cleaned = 0.00170136 Jy ! Component: 150 - total flux cleaned = 0.0019457 Jy ! Component: 200 - total flux cleaned = 0.00211186 Jy ! Total flux subtracted in 200 components = 0.00211186 Jy ! Clean residual min=-0.001062 max=0.001027 Jy/beam ! Clean residual mean=-0.000006 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.271536 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 81 components and 0.271536 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.294 mas, bmaj=2.501 mas, bpa=38.12 degrees ! Estimated noise=0.218614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000559006 Jy ! Component: 100 - total flux cleaned = 0.000744953 Jy ! Component: 150 - total flux cleaned = 0.000814988 Jy ! Component: 200 - total flux cleaned = 0.000887049 Jy ! Total flux subtracted in 200 components = 0.000887049 Jy ! Clean residual min=-0.001214 max=0.001140 Jy/beam ! Clean residual mean=-0.000016 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.272423 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 = 5.92896e-05 Jy ! Component: 100 - total flux cleaned = 7.99023e-05 Jy ! Component: 150 - total flux cleaned = 9.80824e-05 Jy ! Component: 200 - total flux cleaned = 9.82752e-05 Jy ! Total flux subtracted in 200 components = 9.82752e-05 Jy ! Clean residual min=-0.001201 max=0.001134 Jy/beam ! Clean residual mean=-0.000016 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.272521 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 125 components and 0.272521 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9755 mas, bmaj=1.34 mas, bpa=19.8 degrees ! Estimated noise=0.171291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.15015e-05 Jy ! Component: 100 - total flux cleaned = -0.000103683 Jy ! Component: 150 - total flux cleaned = -0.000105965 Jy ! Component: 200 - total flux cleaned = -7.22393e-05 Jy ! Total flux subtracted in 200 components = -7.22393e-05 Jy ! Clean residual min=-0.001036 max=0.000994 Jy/beam ! Clean residual mean=-0.000007 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.272449 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 137 components and 0.272449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060142Jy sigma=1.172801 ! Fit after self-cal, rms=0.060132Jy sigma=1.172562 wmodel J0458+5508_X_map.mod ! Writing 137 model components to file: J0458+5508_X_map.mod wobs J0458+5508_X_uvs.fits ! Writing UV FITS file: J0458+5508_X_uvs.fits wwins J0458+5508_X_map.win ! wwins: Wrote 7 windows to J0458+5508_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000209291 Jy ! Component: 100 - total flux cleaned = -0.00015873 Jy ! Component: 150 - total flux cleaned = -0.00010984 Jy ! Component: 200 - total flux cleaned = 3.4208e-07 Jy ! Component: 250 - total flux cleaned = -1.55107e-05 Jy ! Component: 300 - total flux cleaned = -1.53753e-05 Jy ! Component: 350 - total flux cleaned = -7.38752e-07 Jy ! Component: 400 - total flux cleaned = -1.49705e-05 Jy ! Component: 450 - total flux cleaned = -2.89405e-05 Jy ! Component: 500 - total flux cleaned = -9.73496e-05 Jy ! Component: 550 - total flux cleaned = -0.000110726 Jy ! Component: 600 - total flux cleaned = -0.000137327 Jy ! Component: 650 - total flux cleaned = -0.000176585 Jy ! Component: 700 - total flux cleaned = -0.000176606 Jy ! Component: 750 - total flux cleaned = -0.000176649 Jy ! Component: 800 - total flux cleaned = -0.000164034 Jy ! Component: 850 - total flux cleaned = -0.000151852 Jy ! Component: 900 - total flux cleaned = -0.00017621 Jy ! Component: 950 - total flux cleaned = -0.000164002 Jy ! Component: 1000 - total flux cleaned = -0.000187752 Jy ! Component: 1050 - total flux cleaned = -0.000199491 Jy ! Component: 1100 - total flux cleaned = -0.000211107 Jy ! Component: 1150 - total flux cleaned = -0.000199526 Jy ! Component: 1200 - total flux cleaned = -0.000199551 Jy ! Component: 1250 - total flux cleaned = -0.000222044 Jy ! Component: 1300 - total flux cleaned = -0.000222067 Jy ! Component: 1350 - total flux cleaned = -0.000210908 Jy ! Component: 1400 - total flux cleaned = -0.000243961 Jy ! Component: 1450 - total flux cleaned = -0.000254746 Jy ! Component: 1500 - total flux cleaned = -0.000287076 Jy ! Component: 1550 - total flux cleaned = -0.000276537 Jy ! Component: 1600 - total flux cleaned = -0.000319152 Jy ! Component: 1650 - total flux cleaned = -0.000361203 Jy ! Component: 1700 - total flux cleaned = -0.000340297 Jy ! Component: 1750 - total flux cleaned = -0.00038176 Jy ! Component: 1800 - total flux cleaned = -0.000402304 Jy ! Component: 1850 - total flux cleaned = -0.000402409 Jy ! Component: 1900 - total flux cleaned = -0.000493507 Jy ! Component: 1950 - total flux cleaned = -0.000513519 Jy ! Component: 2000 - total flux cleaned = -0.000563364 Jy ! Component: 2050 - total flux cleaned = -0.000612746 Jy ! Component: 2100 - total flux cleaned = -0.000632203 Jy ! Component: 2150 - total flux cleaned = -0.000642002 Jy ! Component: 2200 - total flux cleaned = -0.000690438 Jy ! Component: 2250 - total flux cleaned = -0.000700112 Jy ! Component: 2300 - total flux cleaned = -0.000747759 Jy ! Component: 2350 - total flux cleaned = -0.000757226 Jy ! Component: 2400 - total flux cleaned = -0.000785501 Jy ! Component: 2450 - total flux cleaned = -0.00077624 Jy ! Component: 2500 - total flux cleaned = -0.000813369 Jy ! Component: 2550 - total flux cleaned = -0.000850229 Jy ! Component: 2600 - total flux cleaned = -0.000831897 Jy ! Component: 2650 - total flux cleaned = -0.000850146 Jy ! Component: 2700 - total flux cleaned = -0.000913517 Jy ! Component: 2750 - total flux cleaned = -0.000895469 Jy ! Component: 2800 - total flux cleaned = -0.000913322 Jy ! Component: 2850 - total flux cleaned = -0.000913343 Jy ! Component: 2900 - total flux cleaned = -0.000904472 Jy ! Component: 2950 - total flux cleaned = -0.000922131 Jy ! Component: 3000 - total flux cleaned = -0.000948141 Jy ! Component: 3050 - total flux cleaned = -0.000887406 Jy ! Component: 3100 - total flux cleaned = -0.000896007 Jy ! Component: 3150 - total flux cleaned = -0.000930326 Jy ! Component: 3200 - total flux cleaned = -0.000930368 Jy ! Component: 3250 - total flux cleaned = -0.000887971 Jy ! Component: 3300 - total flux cleaned = -0.000930261 Jy ! Component: 3350 - total flux cleaned = -0.000930273 Jy ! Component: 3400 - total flux cleaned = -0.000930248 Jy ! Component: 3450 - total flux cleaned = -0.000938542 Jy ! Component: 3500 - total flux cleaned = -0.00093027 Jy ! Component: 3550 - total flux cleaned = -0.000946684 Jy ! Component: 3600 - total flux cleaned = -0.000930334 Jy ! Component: 3650 - total flux cleaned = -0.000938461 Jy ! Component: 3700 - total flux cleaned = -0.000897938 Jy ! Component: 3750 - total flux cleaned = -0.000897964 Jy ! Component: 3800 - total flux cleaned = -0.000930073 Jy ! Component: 3850 - total flux cleaned = -0.000961948 Jy ! Component: 3900 - total flux cleaned = -0.000953955 Jy ! Component: 3950 - total flux cleaned = -0.000914433 Jy ! Component: 4000 - total flux cleaned = -0.000914421 Jy ! Component: 4050 - total flux cleaned = -0.00090652 Jy ! Total flux subtracted in 4096 components = -0.000906564 Jy ! Clean residual min=-0.000522 max=0.000487 Jy/beam ! Clean residual mean=-0.000002 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.271542 Jy keep ! Adding 321 model components to the UV plane model. ! The established model now contains 458 components and 0.271542 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0458+5508_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9755 x 1.34 at 19.8 degrees (North through East) ! Clean map min=-0.00078173 max=0.19652 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0458+5508_X_map.fits wmodel /vlbi/uf001/uva//J0458+5508_X_map.mod ! Writing 458 model components to file: /vlbi/uf001/uva//J0458+5508_X_map.mod wobs /vlbi/uf001/uva//J0458+5508_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0458+5508_X_uvs.fits wwins /vlbi/uf001/uva//J0458+5508_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J0458+5508_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.196521 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000131462 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.200684 0.200684 0.401368 0.802735 1.60547 3.21094 6.42188 12.8438 25.6875 51.3751 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.196 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1494.89 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0458+5508_X_dfm.log closed on Sun Jan 13 22:24:06 2019