! Started logfile: /vlbi/uf001/uva//J0830+0624_X_dfm.log on Sun Jan 13 23:58:09 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//J0830+0624_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0830+0624_X_uva.fits ! AN table 1: 81 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.675446 visibilities/baseline/integration-bin. ! Found source: J0830+0624 ! ! 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 29544 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 J0830+0624_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 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 187 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002681Jy sigma=24.020983 ! Fit after self-cal, rms=0.951391Jy sigma=22.761280 ! 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=0.6823 mas, bmaj=1.7 mas, bpa=-3.286 degrees ! Estimated noise=0.289478 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 = 0.0372532 Jy ! Component: 100 - total flux cleaned = 0.0460983 Jy ! Total flux subtracted in 100 components = 0.0460983 Jy ! Clean residual min=-0.002743 max=0.003698 Jy/beam ! Clean residual mean=-0.000005 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.0460983 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0460983 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=0.062249Jy sigma=1.368454 ! Fit after self-cal, rms=0.061046Jy sigma=1.339853 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00503613 Jy ! Component: 100 - total flux cleaned = 0.00811253 Jy ! Total flux subtracted in 100 components = 0.00811253 Jy ! Clean residual min=-0.002480 max=0.003587 Jy/beam ! Clean residual mean=-0.000003 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.0542108 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.0542109 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=0.060438Jy sigma=1.322068 ! Fit after self-cal, rms=0.060441Jy sigma=1.321891 ! 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 = 0.00326725 Jy ! Component: 100 - total flux cleaned = 0.00538496 Jy ! Total flux subtracted in 100 components = 0.00538496 Jy ! Clean residual min=-0.002274 max=0.002010 Jy/beam ! Clean residual mean=-0.000003 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.0595958 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 29 components and 0.0595958 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=0.060200Jy sigma=1.314384 ! Fit after self-cal, rms=0.060181Jy sigma=1.313951 ! 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=0.862 mas, bmaj=1.962 mas, bpa=-2.833 degrees ! Estimated noise=0.177146 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 (2.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0033385 Jy ! Component: 100 - total flux cleaned = 0.00561265 Jy ! Component: 150 - total flux cleaned = 0.00732767 Jy ! Component: 200 - total flux cleaned = 0.00865787 Jy ! Total flux subtracted in 200 components = 0.00865787 Jy ! Clean residual min=-0.001925 max=0.001704 Jy/beam ! Clean residual mean=-0.000003 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0682537 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 60 components and 0.0682537 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=0.059969Jy sigma=1.307276 ! Fit after self-cal, rms=0.059942Jy sigma=1.306665 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.862 x 1.962 at -2.833 degrees (North through East) ! Clean map min=-0.0018884 max=0.050454 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 0.99 KP 1.03 ! LA 0.84 MK 0.96 NL 1.08 OV 0.97 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 2. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.12 HN 1.09 KP 1.05 ! LA 0.81 MK 1.04 NL 1.01 OV 0.95 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.05 HN 0.98 KP 1.03 ! LA 0.80 MK 0.99 NL 1.12 OV 0.94 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.99 KP 1.07 ! LA 0.90 MK 0.98 NL 1.03 OV 1.00 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 5. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 HN 1.02 KP 1.06 ! LA 0.83 MK 0.99 NL 1.02 OV 1.04 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 6. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.11 HN 1.02 KP 1.08 ! LA 0.83 MK 0.98 NL 1.08 OV 0.97 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 7. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 1.03 KP 1.03 ! LA 0.84 MK 1.02 NL 1.04 OV 1.07 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 8. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.08 HN 0.98 KP 1.10 ! LA 0.79 MK 1.05 NL 1.06 OV 0.95 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 9. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.05 HN 0.98 KP 1.04 ! LA 0.81 MK 1.06 NL 1.05 OV 0.95 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 10. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.11 HN 0.91 KP 1.00 ! LA 0.81 MK 1.02 NL 1.06 OV 1.01 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 11. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 0.98 KP 1.08 ! LA 0.81 MK 1.04 NL 1.05 OV 0.96 ! PT 0.90 SC 0.95 ! ! ! Correcting IF 12. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.09 HN 1.00 KP 1.07 ! LA 0.91 MK 1.02 NL 0.97 OV 0.97 ! PT 0.93 SC 0.99 ! ! ! Fit before self-cal, rms=0.059942Jy sigma=1.306665 ! Fit after self-cal, rms=0.059520Jy sigma=1.307563 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8581 mas, bmaj=1.959 mas, bpa=-2.755 degrees ! Estimated noise=0.177561 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 = 0.000688539 Jy ! Component: 100 - total flux cleaned = 0.000772592 Jy ! Component: 150 - total flux cleaned = 0.000862316 Jy ! Component: 200 - total flux cleaned = 0.000862445 Jy ! Total flux subtracted in 200 components = 0.000862445 Jy ! Clean residual min=-0.001018 max=0.001164 Jy/beam ! Clean residual mean=-0.000001 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.0691161 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 78 components and 0.0691161 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=0.059494Jy sigma=1.306842 ! Fit after self-cal, rms=0.059627Jy sigma=1.305877 ! 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=0.059627Jy sigma=1.305877 ! Fit after self-cal, rms=0.061268Jy sigma=1.302077 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8575 mas, bmaj=1.959 mas, bpa=-2.713 degrees ! Estimated noise=0.177947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.4681e-05 Jy ! Component: 100 - total flux cleaned = 0.000151551 Jy ! Component: 150 - total flux cleaned = 0.000211137 Jy ! Component: 200 - total flux cleaned = 0.000237151 Jy ! Total flux subtracted in 200 components = 0.000237151 Jy ! Clean residual min=-0.000880 max=0.001099 Jy/beam ! Clean residual mean=-0.000000 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0693533 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 94 components and 0.0693533 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=0.061260Jy sigma=1.301850 ! Fit after self-cal, rms=0.061331Jy sigma=1.301622 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 (47, -16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000941433 Jy ! Component: 100 - total flux cleaned = 0.00132619 Jy ! Component: 150 - total flux cleaned = 0.00150308 Jy ! Component: 200 - total flux cleaned = 0.00162047 Jy ! Total flux subtracted in 200 components = 0.00162047 Jy ! Clean residual min=-0.000868 max=0.000864 Jy/beam ! Clean residual mean=-0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0709737 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 109 components and 0.0709737 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=0.061316Jy sigma=1.301163 ! Fit after self-cal, rms=0.061316Jy sigma=1.301102 ! 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=0.061316Jy sigma=1.301102 ! Fit after self-cal, rms=0.061628Jy sigma=1.300916 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8561 mas, bmaj=1.959 mas, bpa=-2.712 degrees ! Estimated noise=0.177329 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000195514 Jy ! Component: 100 - total flux cleaned = 0.000398853 Jy ! Component: 150 - total flux cleaned = 0.000527498 Jy ! Component: 200 - total flux cleaned = 0.000608218 Jy ! Total flux subtracted in 200 components = 0.000608218 Jy ! Clean residual min=-0.000809 max=0.000822 Jy/beam ! Clean residual mean=-0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0715819 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 0.0715819 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=0.061622Jy sigma=1.300731 ! Fit after self-cal, rms=0.061640Jy sigma=1.300709 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 = 0.000147284 Jy ! Component: 100 - total flux cleaned = 0.000180181 Jy ! Component: 150 - total flux cleaned = 0.000210847 Jy ! Component: 200 - total flux cleaned = 0.000230167 Jy ! Total flux subtracted in 200 components = 0.000230167 Jy ! Clean residual min=-0.000809 max=0.000826 Jy/beam ! Clean residual mean=-0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0718121 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 117 components and 0.0718121 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=0.061637Jy sigma=1.300623 ! Fit after self-cal, rms=0.061638Jy sigma=1.300618 ! 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=0.061638Jy sigma=1.300618 ! Fit after self-cal, rms=0.061530Jy sigma=1.300588 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.1 mas, bmaj=3.078 mas, bpa=1.144 degrees ! Estimated noise=0.226411 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000300852 Jy ! Component: 100 - total flux cleaned = 0.000311046 Jy ! Component: 150 - total flux cleaned = 0.000327939 Jy ! Component: 200 - total flux cleaned = 0.000341732 Jy ! Total flux subtracted in 200 components = 0.000341732 Jy ! Clean residual min=-0.000912 max=0.000946 Jy/beam ! Clean residual mean=-0.000000 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0721539 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 124 components and 0.0721538 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=0.061529Jy sigma=1.300554 ! Fit after self-cal, rms=0.061532Jy sigma=1.300539 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 = 9.60381e-05 Jy ! Component: 100 - total flux cleaned = 0.000123183 Jy ! Component: 150 - total flux cleaned = 0.000118094 Jy ! Component: 200 - total flux cleaned = 0.000122832 Jy ! Total flux subtracted in 200 components = 0.000122832 Jy ! Clean residual min=-0.000917 max=0.000952 Jy/beam ! Clean residual mean=-0.000000 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0722767 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 131 components and 0.0722767 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=0.061532Jy sigma=1.300542 ! Fit after self-cal, rms=0.061532Jy sigma=1.300535 ! 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=0.855 mas, bmaj=1.959 mas, bpa=-2.721 degrees ! Estimated noise=0.176857 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.855 x 1.959 at -2.721 degrees (North through East) ! Clean map min=-0.00074338 max=0.049828 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=0.6791 mas, bmaj=1.709 mas, bpa=-3.057 degrees ! Estimated noise=0.286082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0375805 Jy ! Component: 100 - total flux cleaned = 0.0468883 Jy ! Component: 150 - total flux cleaned = 0.0518251 Jy ! Component: 200 - total flux cleaned = 0.0551405 Jy ! Total flux subtracted in 200 components = 0.0551405 Jy ! Clean residual min=-0.001690 max=0.001958 Jy/beam ! Clean residual mean=-0.000002 rms=0.000426 Jy/beam ! Combined flux in latest and established models = 0.0551405 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0551405 Jy ! Inverting map and beam ! Estimated beam: bmin=0.855 mas, bmaj=1.959 mas, bpa=-2.721 degrees ! Estimated noise=0.176857 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 = 0.00380369 Jy ! Component: 100 - total flux cleaned = 0.00636946 Jy ! Component: 150 - total flux cleaned = 0.00827559 Jy ! Component: 200 - total flux cleaned = 0.00977174 Jy ! Total flux subtracted in 200 components = 0.00977174 Jy ! Clean residual min=-0.000896 max=0.000992 Jy/beam ! Clean residual mean=-0.000001 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.0649122 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 45 components and 0.0649122 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=2.1 mas, bmaj=3.078 mas, bpa=1.144 degrees ! Estimated noise=0.226411 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00185872 Jy ! Component: 100 - total flux cleaned = 0.00302326 Jy ! Component: 150 - total flux cleaned = 0.00384814 Jy ! Component: 200 - total flux cleaned = 0.00447405 Jy ! Total flux subtracted in 200 components = 0.00447405 Jy ! Clean residual min=-0.000959 max=0.001007 Jy/beam ! Clean residual mean=-0.000001 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0693863 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 = 0.000500533 Jy ! Component: 100 - total flux cleaned = 0.000905976 Jy ! Component: 150 - total flux cleaned = 0.00123715 Jy ! Component: 200 - total flux cleaned = 0.00151048 Jy ! Total flux subtracted in 200 components = 0.00151048 Jy ! Clean residual min=-0.000946 max=0.000956 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0708967 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 114 components and 0.0708968 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.855 mas, bmaj=1.959 mas, bpa=-2.721 degrees ! Estimated noise=0.176857 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00056017 Jy ! Component: 100 - total flux cleaned = 0.000767463 Jy ! Component: 150 - total flux cleaned = 0.000850159 Jy ! Component: 200 - total flux cleaned = 0.000926681 Jy ! Total flux subtracted in 200 components = 0.000926681 Jy ! Clean residual min=-0.000801 max=0.000799 Jy/beam ! Clean residual mean=-0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0718234 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 135 components and 0.0718234 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=0.061542Jy sigma=1.300817 ! Fit after self-cal, rms=0.061532Jy sigma=1.300726 wmodel J0830+0624_X_map.mod ! Writing 135 model components to file: J0830+0624_X_map.mod wobs J0830+0624_X_uvs.fits ! Writing UV FITS file: J0830+0624_X_uvs.fits wwins J0830+0624_X_map.win ! wwins: Wrote 4 windows to J0830+0624_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 = 8.97109e-05 Jy ! Component: 100 - total flux cleaned = 0.000189882 Jy ! Component: 150 - total flux cleaned = 0.000244325 Jy ! Component: 200 - total flux cleaned = 0.000257309 Jy ! Component: 250 - total flux cleaned = 0.000244364 Jy ! Component: 300 - total flux cleaned = 0.000231616 Jy ! Component: 350 - total flux cleaned = 0.000219143 Jy ! Component: 400 - total flux cleaned = 0.000182819 Jy ! Component: 450 - total flux cleaned = 0.000206741 Jy ! Component: 500 - total flux cleaned = 0.000171414 Jy ! Component: 550 - total flux cleaned = 0.00015959 Jy ! Component: 600 - total flux cleaned = 0.000147791 Jy ! Component: 650 - total flux cleaned = 0.000102527 Jy ! Component: 700 - total flux cleaned = 9.13323e-05 Jy ! Component: 750 - total flux cleaned = 5.83381e-05 Jy ! Component: 800 - total flux cleaned = 5.82997e-05 Jy ! Component: 850 - total flux cleaned = 4.7623e-05 Jy ! Component: 900 - total flux cleaned = 4.77179e-05 Jy ! Component: 950 - total flux cleaned = 5.82243e-05 Jy ! Component: 1000 - total flux cleaned = 2.70017e-05 Jy ! Component: 1050 - total flux cleaned = 5.80562e-05 Jy ! Component: 1100 - total flux cleaned = 5.81632e-05 Jy ! Component: 1150 - total flux cleaned = 0.000108609 Jy ! Component: 1200 - total flux cleaned = 0.00010847 Jy ! Component: 1250 - total flux cleaned = 0.000108275 Jy ! Component: 1300 - total flux cleaned = 8.85887e-05 Jy ! Component: 1350 - total flux cleaned = 7.9021e-05 Jy ! Component: 1400 - total flux cleaned = 0.000107765 Jy ! Component: 1450 - total flux cleaned = 6.9638e-05 Jy ! Component: 1500 - total flux cleaned = 8.86106e-05 Jy ! Component: 1550 - total flux cleaned = 0.000144941 Jy ! Component: 1600 - total flux cleaned = 0.000126292 Jy ! Component: 1650 - total flux cleaned = 0.000116999 Jy ! Component: 1700 - total flux cleaned = 0.000107816 Jy ! Component: 1750 - total flux cleaned = 0.000135243 Jy ! Component: 1800 - total flux cleaned = 0.000117061 Jy ! Component: 1850 - total flux cleaned = 0.000126115 Jy ! Component: 1900 - total flux cleaned = 0.000134957 Jy ! Component: 1950 - total flux cleaned = 0.000117279 Jy ! Component: 2000 - total flux cleaned = 0.000152519 Jy ! Component: 2050 - total flux cleaned = 0.000126303 Jy ! Component: 2100 - total flux cleaned = 0.000117609 Jy ! Component: 2150 - total flux cleaned = 0.000117624 Jy ! Component: 2200 - total flux cleaned = 0.000126188 Jy ! Component: 2250 - total flux cleaned = 9.21297e-05 Jy ! Component: 2300 - total flux cleaned = 8.3612e-05 Jy ! Component: 2350 - total flux cleaned = 0.000134001 Jy ! Component: 2400 - total flux cleaned = 0.00015061 Jy ! Component: 2450 - total flux cleaned = 0.000117405 Jy ! Component: 2500 - total flux cleaned = 0.000125677 Jy ! Component: 2550 - total flux cleaned = 0.000150285 Jy ! Component: 2600 - total flux cleaned = 0.000134039 Jy ! Component: 2650 - total flux cleaned = 0.000150179 Jy ! Component: 2700 - total flux cleaned = 0.00016627 Jy ! Component: 2750 - total flux cleaned = 0.000150211 Jy ! Component: 2800 - total flux cleaned = 0.000166116 Jy ! Component: 2850 - total flux cleaned = 0.000150229 Jy ! Component: 2900 - total flux cleaned = 0.000150276 Jy ! Component: 2950 - total flux cleaned = 0.00014242 Jy ! Component: 3000 - total flux cleaned = 0.000157956 Jy ! Component: 3050 - total flux cleaned = 0.000158007 Jy ! Component: 3100 - total flux cleaned = 0.00015799 Jy ! Component: 3150 - total flux cleaned = 0.000150348 Jy ! Component: 3200 - total flux cleaned = 0.000203837 Jy ! Component: 3250 - total flux cleaned = 0.000203859 Jy ! Component: 3300 - total flux cleaned = 0.000203794 Jy ! Component: 3350 - total flux cleaned = 0.000203792 Jy ! Component: 3400 - total flux cleaned = 0.000203748 Jy ! Component: 3450 - total flux cleaned = 0.000218665 Jy ! Component: 3500 - total flux cleaned = 0.000233456 Jy ! Component: 3550 - total flux cleaned = 0.000248248 Jy ! Component: 3600 - total flux cleaned = 0.000277641 Jy ! Component: 3650 - total flux cleaned = 0.000284915 Jy ! Component: 3700 - total flux cleaned = 0.000284929 Jy ! Component: 3750 - total flux cleaned = 0.000277684 Jy ! Component: 3800 - total flux cleaned = 0.000263277 Jy ! Component: 3850 - total flux cleaned = 0.000284789 Jy ! Component: 3900 - total flux cleaned = 0.000277666 Jy ! Component: 3950 - total flux cleaned = 0.000284775 Jy ! Component: 4000 - total flux cleaned = 0.000291819 Jy ! Component: 4050 - total flux cleaned = 0.000284783 Jy ! Total flux subtracted in 4096 components = 0.00028477 Jy ! Clean residual min=-0.000459 max=0.000452 Jy/beam ! Clean residual mean=-0.000000 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0721082 Jy keep ! Adding 323 model components to the UV plane model. ! The established model now contains 458 components and 0.0721082 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0830+0624_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.855 x 1.959 at -2.721 degrees (North through East) ! Clean map min=-0.00072596 max=0.050182 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0830+0624_X_map.fits wmodel /vlbi/uf001/uva//J0830+0624_X_map.mod ! Writing 458 model components to file: /vlbi/uf001/uva//J0830+0624_X_map.mod wobs /vlbi/uf001/uva//J0830+0624_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0830+0624_X_uvs.fits wwins /vlbi/uf001/uva//J0830+0624_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J0830+0624_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0501825 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0001223 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.731133 0.731133 1.46227 2.92453 5.84906 11.6981 23.3962 46.7925 93.585 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 410.322 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0830+0624_X_dfm.log closed on Sun Jan 13 23:58:14 2019