! Started logfile: /vlbi/uf001/uva//J0257+6556_X_dfm.log on Sun Jan 13 21:35:51 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//J0257+6556_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0257+6556_X_uva.fits ! AN table 1: 56 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.865079 visibilities/baseline/integration-bin. ! Found source: J0257+6556 ! ! 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 26160 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 J0257+6556_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 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 115 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022918Jy sigma=23.667634 ! Fit after self-cal, rms=0.814468Jy sigma=18.836465 ! 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=0.7601 mas, bmaj=1.014 mas, bpa=-15.36 degrees ! Estimated noise=0.355515 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 = 0.139704 Jy ! Component: 100 - total flux cleaned = 0.199475 Jy ! Total flux subtracted in 100 components = 0.199475 Jy ! Clean residual min=-0.007981 max=0.027848 Jy/beam ! Clean residual mean=-0.000015 rms=0.002119 Jy/beam ! Combined flux in latest and established models = 0.199475 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.199475 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=0.085722Jy sigma=1.923010 ! Fit after self-cal, rms=0.082420Jy sigma=1.852579 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.036714 Jy ! Component: 100 - total flux cleaned = 0.0539202 Jy ! Total flux subtracted in 100 components = 0.0539202 Jy ! Clean residual min=-0.006519 max=0.009768 Jy/beam ! Clean residual mean=-0.000007 rms=0.001255 Jy/beam ! Combined flux in latest and established models = 0.253395 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 9 components and 0.253395 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=0.062653Jy sigma=1.400130 ! Fit after self-cal, rms=0.061939Jy sigma=1.384042 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112509 Jy ! Component: 100 - total flux cleaned = 0.0141991 Jy ! Total flux subtracted in 100 components = 0.0141991 Jy ! Clean residual min=-0.006222 max=0.008370 Jy/beam ! Clean residual mean=-0.000005 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.267594 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 14 components and 0.267594 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=0.059775Jy sigma=1.339547 ! Fit after self-cal, rms=0.059683Jy sigma=1.337610 ! Inverting map ! Added new window around map position (-1.8, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00734881 Jy ! Component: 100 - total flux cleaned = 0.00939189 Jy ! Total flux subtracted in 100 components = 0.00939189 Jy ! Clean residual min=-0.005626 max=0.005906 Jy/beam ! Clean residual mean=-0.000003 rms=0.001060 Jy/beam ! Combined flux in latest and established models = 0.276986 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 16 components and 0.276986 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=0.058785Jy sigma=1.316802 ! Fit after self-cal, rms=0.058720Jy sigma=1.315418 ! 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=0.9962 mas, bmaj=1.264 mas, bpa=-19.27 degrees ! Estimated noise=0.206951 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 (0.2, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00629571 Jy ! Component: 100 - total flux cleaned = 0.00990119 Jy ! Component: 150 - total flux cleaned = 0.0116944 Jy ! Component: 200 - total flux cleaned = 0.0125667 Jy ! Total flux subtracted in 200 components = 0.0125667 Jy ! Clean residual min=-0.004242 max=0.005885 Jy/beam ! Clean residual mean=-0.000006 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.289553 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 32 components and 0.289553 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=0.057927Jy sigma=1.297386 ! Fit after self-cal, rms=0.057848Jy sigma=1.295674 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9962 x 1.264 at -19.27 degrees (North through East) ! Clean map min=-0.0039236 max=0.17413 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.97 KP 1.01 ! LA 1.00 MK 1.04 NL 1.11 OV 0.92 ! PT 0.92 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.96 KP 1.01 ! LA 1.02 MK 1.08 NL 1.09 OV 0.92 ! PT 0.90 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 0.95 KP 1.01 ! LA 1.02 MK 1.06 NL 1.10 OV 0.92 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.95 KP 1.02 ! LA 1.02 MK 1.07 NL 1.09 OV 0.92 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.00 ! LA 1.04 MK 1.06 NL 1.11 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.97 KP 1.01 ! LA 1.01 MK 1.06 NL 1.09 OV 0.93 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.03 HN 0.96 KP 0.99 ! LA 1.01 MK 1.08 NL 1.10 OV 0.92 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.96 KP 1.03 ! LA 1.02 MK 1.09 NL 1.11 OV 0.92 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.96 KP 1.01 ! LA 1.00 MK 1.07 NL 1.11 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.95 KP 1.00 ! LA 1.01 MK 1.05 NL 1.12 OV 0.91 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.96 KP 1.00 ! LA 1.04 MK 1.05 NL 1.10 OV 0.93 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 0.96 KP 1.00 ! LA 1.02 MK 1.04 NL 1.10 OV 0.91 ! PT 0.92 SC 0.93 ! ! ! Fit before self-cal, rms=0.057848Jy sigma=1.295674 ! Fit after self-cal, rms=0.054688Jy sigma=1.227095 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.002 mas, bmaj=1.258 mas, bpa=-19.37 degrees ! Estimated noise=0.207177 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 = -0.00257226 Jy ! Component: 100 - total flux cleaned = -0.00328281 Jy ! Component: 150 - total flux cleaned = -0.00378625 Jy ! Component: 200 - total flux cleaned = -0.00393007 Jy ! Total flux subtracted in 200 components = -0.00393007 Jy ! Clean residual min=-0.002355 max=0.002470 Jy/beam ! Clean residual mean=-0.000003 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.285623 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 43 components and 0.285623 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=0.054348Jy sigma=1.219654 ! Fit after self-cal, rms=0.054334Jy sigma=1.218773 ! 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=0.054334Jy sigma=1.218773 ! Fit after self-cal, rms=0.053260Jy sigma=1.206424 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.001 mas, bmaj=1.239 mas, bpa=-17.62 degrees ! Estimated noise=0.205224 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000827517 Jy ! Component: 100 - total flux cleaned = -0.00146593 Jy ! Component: 150 - total flux cleaned = -0.00188039 Jy ! Component: 200 - total flux cleaned = -0.00224692 Jy ! Total flux subtracted in 200 components = -0.00224692 Jy ! Clean residual min=-0.001954 max=0.001687 Jy/beam ! Clean residual mean=0.000002 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.283376 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 57 components and 0.283376 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=0.053109Jy sigma=1.202843 ! Fit after self-cal, rms=0.053096Jy sigma=1.202362 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 = -0.000118994 Jy ! Component: 100 - total flux cleaned = -0.000423805 Jy ! Component: 150 - total flux cleaned = -0.000651119 Jy ! Component: 200 - total flux cleaned = -0.000694096 Jy ! Total flux subtracted in 200 components = -0.000694096 Jy ! Clean residual min=-0.001861 max=0.001730 Jy/beam ! Clean residual mean=0.000002 rms=0.000354 Jy/beam ! Combined flux in latest and established models = 0.282682 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 64 components and 0.282682 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=0.053008Jy sigma=1.200221 ! Fit after self-cal, rms=0.052992Jy sigma=1.199828 ! 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=0.052992Jy sigma=1.199828 ! Fit after self-cal, rms=0.052832Jy sigma=1.199515 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=1.235 mas, bpa=-17.19 degrees ! Estimated noise=0.204754 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000319861 Jy ! Component: 100 - total flux cleaned = -0.000712304 Jy ! Component: 150 - total flux cleaned = -0.000963644 Jy ! Component: 200 - total flux cleaned = -0.00108015 Jy ! Total flux subtracted in 200 components = -0.00108015 Jy ! Clean residual min=-0.001749 max=0.001529 Jy/beam ! Clean residual mean=0.000002 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.281602 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 69 components and 0.281602 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=0.052755Jy sigma=1.197583 ! Fit after self-cal, rms=0.052740Jy sigma=1.197227 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 = -1.52305e-05 Jy ! Component: 100 - total flux cleaned = -0.00017114 Jy ! Component: 150 - total flux cleaned = -0.000244504 Jy ! Component: 200 - total flux cleaned = -0.00031201 Jy ! Total flux subtracted in 200 components = -0.00031201 Jy ! Clean residual min=-0.001677 max=0.001474 Jy/beam ! Clean residual mean=0.000002 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.28129 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 72 components and 0.28129 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=0.052682Jy sigma=1.195767 ! Fit after self-cal, rms=0.052669Jy sigma=1.195457 ! 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=0.052669Jy sigma=1.195457 ! Fit after self-cal, rms=0.052579Jy sigma=1.195363 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.304 mas, bmaj=2.474 mas, bpa=-55.63 degrees ! Estimated noise=0.269143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.41896e-05 Jy ! Component: 100 - total flux cleaned = -0.000188973 Jy ! Component: 150 - total flux cleaned = -0.000245054 Jy ! Component: 200 - total flux cleaned = -0.000272583 Jy ! Total flux subtracted in 200 components = -0.000272583 Jy ! Clean residual min=-0.001255 max=0.001321 Jy/beam ! Clean residual mean=0.000006 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.281017 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 84 components and 0.281017 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=0.052561Jy sigma=1.194890 ! Fit after self-cal, rms=0.052554Jy sigma=1.194709 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 = 9.51414e-06 Jy ! Component: 100 - total flux cleaned = -4.42652e-05 Jy ! Component: 150 - total flux cleaned = -5.82865e-05 Jy ! Component: 200 - total flux cleaned = -9.05774e-05 Jy ! Total flux subtracted in 200 components = -9.05774e-05 Jy ! Clean residual min=-0.001222 max=0.001313 Jy/beam ! Clean residual mean=0.000005 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.280927 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 89 components and 0.280927 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=0.052541Jy sigma=1.194325 ! Fit after self-cal, rms=0.052535Jy sigma=1.194163 ! 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=0.9996 mas, bmaj=1.233 mas, bpa=-16.88 degrees ! Estimated noise=0.204453 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9996 x 1.233 at -16.88 degrees (North through East) ! Clean map min=-0.0014275 max=0.17063 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=0.7635 mas, bmaj=0.9887 mas, bpa=-12.05 degrees ! Estimated noise=0.347737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.142952 Jy ! Component: 100 - total flux cleaned = 0.206117 Jy ! Component: 150 - total flux cleaned = 0.235688 Jy ! Component: 200 - total flux cleaned = 0.250934 Jy ! Total flux subtracted in 200 components = 0.250934 Jy ! Clean residual min=-0.003157 max=0.007539 Jy/beam ! Clean residual mean=-0.000004 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.250934 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.250934 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9996 mas, bmaj=1.233 mas, bpa=-16.88 degrees ! Estimated noise=0.204453 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 = 0.0119634 Jy ! Component: 100 - total flux cleaned = 0.0182697 Jy ! Component: 150 - total flux cleaned = 0.0220467 Jy ! Component: 200 - total flux cleaned = 0.0246719 Jy ! Total flux subtracted in 200 components = 0.0246719 Jy ! Clean residual min=-0.001455 max=0.002463 Jy/beam ! Clean residual mean=-0.000000 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.275606 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 37 components and 0.275606 Jy ! Inverting map ! Added new window around map position (-0.8, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226798 Jy ! Component: 100 - total flux cleaned = 0.00314445 Jy ! Component: 150 - total flux cleaned = 0.00366892 Jy ! Component: 200 - total flux cleaned = 0.00402702 Jy ! Total flux subtracted in 200 components = 0.00402702 Jy ! Clean residual min=-0.001418 max=0.001502 Jy/beam ! Clean residual mean=0.000002 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.279633 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 53 components and 0.279633 Jy ! Inverting map ! Added new window around map position (2.2, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000877656 Jy ! Component: 100 - total flux cleaned = 0.00109463 Jy ! Component: 150 - total flux cleaned = 0.00117407 Jy ! Component: 200 - total flux cleaned = 0.00124812 Jy ! Total flux subtracted in 200 components = 0.00124812 Jy ! Clean residual min=-0.001374 max=0.001355 Jy/beam ! Clean residual mean=0.000002 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.280881 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 68 components and 0.280881 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=2.304 mas, bmaj=2.474 mas, bpa=-55.63 degrees ! Estimated noise=0.269143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000877763 Jy ! Component: 100 - total flux cleaned = 0.00124304 Jy ! Component: 150 - total flux cleaned = 0.00148717 Jy ! Component: 200 - total flux cleaned = 0.00154299 Jy ! Total flux subtracted in 200 components = 0.00154299 Jy ! Clean residual min=-0.001195 max=0.001267 Jy/beam ! Clean residual mean=0.000005 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.282424 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 = 3.25617e-05 Jy ! Component: 100 - total flux cleaned = 3.2371e-05 Jy ! Component: 150 - total flux cleaned = 4.61964e-05 Jy ! Component: 200 - total flux cleaned = 4.6181e-05 Jy ! Total flux subtracted in 200 components = 4.6181e-05 Jy ! Clean residual min=-0.001173 max=0.001257 Jy/beam ! Clean residual mean=0.000005 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.28247 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 0.28247 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9996 mas, bmaj=1.233 mas, bpa=-16.88 degrees ! Estimated noise=0.204453 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000392804 Jy ! Component: 100 - total flux cleaned = -0.000424348 Jy ! Component: 150 - total flux cleaned = -0.000485292 Jy ! Component: 200 - total flux cleaned = -0.000514648 Jy ! Total flux subtracted in 200 components = -0.000514648 Jy ! Clean residual min=-0.001360 max=0.001283 Jy/beam ! Clean residual mean=0.000002 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.281956 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.281956 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=0.052335Jy sigma=1.188579 ! Fit after self-cal, rms=0.052268Jy sigma=1.187000 wmodel J0257+6556_X_map.mod ! Writing 103 model components to file: J0257+6556_X_map.mod wobs J0257+6556_X_uvs.fits ! Writing UV FITS file: J0257+6556_X_uvs.fits wwins J0257+6556_X_map.win ! wwins: Wrote 5 windows to J0257+6556_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 = 0.000150995 Jy ! Component: 100 - total flux cleaned = 0.000213351 Jy ! Component: 150 - total flux cleaned = 0.000293211 Jy ! Component: 200 - total flux cleaned = 0.000331722 Jy ! Component: 250 - total flux cleaned = 0.00038804 Jy ! Component: 300 - total flux cleaned = 0.000498209 Jy ! Component: 350 - total flux cleaned = 0.000587629 Jy ! Component: 400 - total flux cleaned = 0.000727818 Jy ! Component: 450 - total flux cleaned = 0.000865278 Jy ! Component: 500 - total flux cleaned = 0.000966657 Jy ! Component: 550 - total flux cleaned = 0.00106662 Jy ! Component: 600 - total flux cleaned = 0.00113242 Jy ! Component: 650 - total flux cleaned = 0.00122984 Jy ! Component: 700 - total flux cleaned = 0.0012937 Jy ! Component: 750 - total flux cleaned = 0.00141989 Jy ! Component: 800 - total flux cleaned = 0.00143523 Jy ! Component: 850 - total flux cleaned = 0.00146607 Jy ! Component: 900 - total flux cleaned = 0.00149659 Jy ! Component: 950 - total flux cleaned = 0.00160244 Jy ! Component: 1000 - total flux cleaned = 0.00157241 Jy ! Component: 1050 - total flux cleaned = 0.00164632 Jy ! Component: 1100 - total flux cleaned = 0.00169019 Jy ! Component: 1150 - total flux cleaned = 0.00174802 Jy ! Component: 1200 - total flux cleaned = 0.00176248 Jy ! Component: 1250 - total flux cleaned = 0.00181956 Jy ! Component: 1300 - total flux cleaned = 0.00177726 Jy ! Component: 1350 - total flux cleaned = 0.00184729 Jy ! Component: 1400 - total flux cleaned = 0.00181962 Jy ! Component: 1450 - total flux cleaned = 0.00184736 Jy ! Component: 1500 - total flux cleaned = 0.00188824 Jy ! Component: 1550 - total flux cleaned = 0.00186112 Jy ! Component: 1600 - total flux cleaned = 0.00187475 Jy ! Component: 1650 - total flux cleaned = 0.00186138 Jy ! Component: 1700 - total flux cleaned = 0.00190093 Jy ! Component: 1750 - total flux cleaned = 0.00192723 Jy ! Component: 1800 - total flux cleaned = 0.0018882 Jy ! Component: 1850 - total flux cleaned = 0.00186224 Jy ! Component: 1900 - total flux cleaned = 0.0018879 Jy ! Component: 1950 - total flux cleaned = 0.00192615 Jy ! Component: 2000 - total flux cleaned = 0.00190094 Jy ! Component: 2050 - total flux cleaned = 0.00185062 Jy ! Component: 2100 - total flux cleaned = 0.00186316 Jy ! Component: 2150 - total flux cleaned = 0.00191276 Jy ! Component: 2200 - total flux cleaned = 0.00193743 Jy ! Component: 2250 - total flux cleaned = 0.00191298 Jy ! Component: 2300 - total flux cleaned = 0.00192506 Jy ! Component: 2350 - total flux cleaned = 0.00196124 Jy ! Component: 2400 - total flux cleaned = 0.00197311 Jy ! Component: 2450 - total flux cleaned = 0.00199712 Jy ! Component: 2500 - total flux cleaned = 0.00205629 Jy ! Component: 2550 - total flux cleaned = 0.00209158 Jy ! Component: 2600 - total flux cleaned = 0.00204476 Jy ! Component: 2650 - total flux cleaned = 0.00210287 Jy ! Component: 2700 - total flux cleaned = 0.00211443 Jy ! Component: 2750 - total flux cleaned = 0.00218334 Jy ! Component: 2800 - total flux cleaned = 0.00216054 Jy ! Component: 2850 - total flux cleaned = 0.00212659 Jy ! Component: 2900 - total flux cleaned = 0.00216049 Jy ! Component: 2950 - total flux cleaned = 0.00218303 Jy ! Component: 3000 - total flux cleaned = 0.00220547 Jy ! Component: 3050 - total flux cleaned = 0.00223881 Jy ! Component: 3100 - total flux cleaned = 0.00227201 Jy ! Component: 3150 - total flux cleaned = 0.00228303 Jy ! Component: 3200 - total flux cleaned = 0.00229402 Jy ! Component: 3250 - total flux cleaned = 0.00228314 Jy ! Component: 3300 - total flux cleaned = 0.00231558 Jy ! Component: 3350 - total flux cleaned = 0.00231551 Jy ! Component: 3400 - total flux cleaned = 0.00228346 Jy ! Component: 3450 - total flux cleaned = 0.00233676 Jy ! Component: 3500 - total flux cleaned = 0.00235804 Jy ! Component: 3550 - total flux cleaned = 0.00235807 Jy ! Component: 3600 - total flux cleaned = 0.00233713 Jy ! Component: 3650 - total flux cleaned = 0.00234759 Jy ! Component: 3700 - total flux cleaned = 0.00239938 Jy ! Component: 3750 - total flux cleaned = 0.00240973 Jy ! Component: 3800 - total flux cleaned = 0.00243023 Jy ! Component: 3850 - total flux cleaned = 0.00243011 Jy ! Component: 3900 - total flux cleaned = 0.00243014 Jy ! Component: 3950 - total flux cleaned = 0.00245048 Jy ! Component: 4000 - total flux cleaned = 0.00249082 Jy ! Component: 4050 - total flux cleaned = 0.00252097 Jy ! Total flux subtracted in 4096 components = 0.00251098 Jy ! Clean residual min=-0.000835 max=0.000705 Jy/beam ! Clean residual mean=0.000001 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.284467 Jy keep ! Adding 357 model components to the UV plane model. ! The established model now contains 459 components and 0.284467 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0257+6556_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9996 x 1.233 at -16.88 degrees (North through East) ! Clean map min=-0.0010077 max=0.17064 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0257+6556_X_map.fits wmodel /vlbi/uf001/uva//J0257+6556_X_map.mod ! Writing 459 model components to file: /vlbi/uf001/uva//J0257+6556_X_map.mod wobs /vlbi/uf001/uva//J0257+6556_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0257+6556_X_uvs.fits wwins /vlbi/uf001/uva//J0257+6556_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J0257+6556_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.170639 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000167699 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.294831 0.294831 0.589662 1.17932 2.35865 4.71729 9.43459 18.8692 37.7384 75.4767 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.17 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1017.53 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0257+6556_X_dfm.log closed on Sun Jan 13 21:35:57 2019