! Started logfile: /image_prod/ug002_uva//J1917-1921_X_dfm.log on Thu Mar 5 04:06:47 2020 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 /image_prod/ug002_uva//J1917-1921_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1917-1921_X_uva.fits ! AN table 1: 40 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.972778 visibilities/baseline/integration-bin. ! Found source: J1917-1921 ! ! 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 21012 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 J1917-1921_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022385Jy sigma=8.357206 ! Fit after self-cal, rms=0.790490Jy sigma=6.393671 ! 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=0.6426 mas, bmaj=1.623 mas, bpa=-1.597 degrees ! Estimated noise=1.15982 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 = 0.155511 Jy ! Component: 100 - total flux cleaned = 0.199015 Jy ! Total flux subtracted in 100 components = 0.199015 Jy ! Clean residual min=-0.010301 max=0.025384 Jy/beam ! Clean residual mean=-0.000015 rms=0.002525 Jy/beam ! Combined flux in latest and established models = 0.199015 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.199015 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=0.087461Jy sigma=0.675057 ! Fit after self-cal, rms=0.087102Jy sigma=0.673340 ! Inverting map ! Added new window around map position (-0.6, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.025353 Jy ! Component: 100 - total flux cleaned = 0.0385621 Jy ! Total flux subtracted in 100 components = 0.0385621 Jy ! Clean residual min=-0.009222 max=0.015936 Jy/beam ! Clean residual mean=-0.000008 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 0.237577 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 0.237577 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=0.076456Jy sigma=0.573105 ! Fit after self-cal, rms=0.075624Jy sigma=0.567563 ! Inverting map ! Added new window around map position (-1.6, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012337 Jy ! Component: 100 - total flux cleaned = 0.0193912 Jy ! Total flux subtracted in 100 components = 0.0193912 Jy ! Clean residual min=-0.007647 max=0.011372 Jy/beam ! Clean residual mean=-0.000005 rms=0.001418 Jy/beam ! Combined flux in latest and established models = 0.256968 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.256968 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=0.072416Jy sigma=0.539175 ! Fit after self-cal, rms=0.071990Jy sigma=0.536018 ! Inverting map ! Added new window around map position (1.8, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00903762 Jy ! Component: 100 - total flux cleaned = 0.0151387 Jy ! Total flux subtracted in 100 components = 0.0151387 Jy ! Clean residual min=-0.005996 max=0.007089 Jy/beam ! Clean residual mean=-0.000002 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 0.272107 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.272107 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=0.070108Jy sigma=0.520138 ! Fit after self-cal, rms=0.070060Jy sigma=0.519867 ! Inverting map ! Added new window around map position (-1.4, 3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00675928 Jy ! Component: 100 - total flux cleaned = 0.0111533 Jy ! Total flux subtracted in 100 components = 0.0111533 Jy ! Clean residual min=-0.005350 max=0.004972 Jy/beam ! Clean residual mean=-0.000001 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 0.28326 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 42 components and 0.28326 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=0.068879Jy sigma=0.510079 ! Fit after self-cal, rms=0.068827Jy sigma=0.509771 ! 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=0.8379 mas, bmaj=2.015 mas, bpa=-1.52 degrees ! Estimated noise=0.611414 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 = 0.00741085 Jy ! Component: 100 - total flux cleaned = 0.0125389 Jy ! Component: 150 - total flux cleaned = 0.0164143 Jy ! Component: 200 - total flux cleaned = 0.0194297 Jy ! Total flux subtracted in 200 components = 0.0194297 Jy ! Clean residual min=-0.005023 max=0.005411 Jy/beam ! Clean residual mean=0.000004 rms=0.001423 Jy/beam ! Combined flux in latest and established models = 0.30269 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 66 components and 0.30269 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=0.067709Jy sigma=0.501388 ! Fit after self-cal, rms=0.067665Jy sigma=0.500983 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8379 x 2.015 at -1.52 degrees (North through East) ! Clean map min=-0.0047711 max=0.19821 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.03 KP 1.03 ! LA 0.95 MK 1.01 NL 1.06 OV 1.00 ! PT 0.88 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.05 KP 1.04 ! LA 0.97 MK 1.00 NL 1.04 OV 0.99 ! PT 0.88 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.06 KP 1.03 ! LA 0.98 MK 0.97 NL 1.05 OV 0.99 ! PT 0.90 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.03 KP 1.02 ! LA 0.99 MK 0.98 NL 1.04 OV 1.00 ! PT 0.87 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.08 KP 1.04 ! LA 0.97 MK 1.00 NL 1.03 OV 1.00 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.06 KP 1.05 ! LA 0.97 MK 1.01 NL 1.04 OV 0.98 ! PT 0.90 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.09 KP 1.05 ! LA 0.96 MK 1.00 NL 1.06 OV 0.99 ! PT 0.89 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.07 KP 1.02 ! LA 0.98 MK 1.02 NL 1.06 OV 1.00 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.12 KP 1.04 ! LA 0.98 MK 0.99 NL 1.04 OV 1.01 ! PT 0.90 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.06 HN 1.08 KP 1.03 ! LA 0.98 MK 1.00 NL 1.05 OV 1.02 ! PT 0.88 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.07 KP 1.05 ! LA 0.98 MK 1.03 NL 1.03 OV 1.04 ! PT 0.88 SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.09 KP 1.02 ! LA 0.97 MK 1.05 NL 1.06 OV 1.03 ! PT 0.89 SC 1.01 ! ! ! Fit before self-cal, rms=0.067665Jy sigma=0.500983 ! Fit after self-cal, rms=0.066433Jy sigma=0.484344 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8427 mas, bmaj=2.019 mas, bpa=-1.339 degrees ! Estimated noise=0.612271 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, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00301424 Jy ! Component: 100 - total flux cleaned = 0.00313064 Jy ! Component: 150 - total flux cleaned = 0.00355465 Jy ! Component: 200 - total flux cleaned = 0.00382788 Jy ! Total flux subtracted in 200 components = 0.00382788 Jy ! Clean residual min=-0.003350 max=0.004102 Jy/beam ! Clean residual mean=-0.000000 rms=0.000827 Jy/beam ! Combined flux in latest and established models = 0.306518 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 85 components and 0.306518 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=0.066056Jy sigma=0.481173 ! Fit after self-cal, rms=0.066053Jy sigma=0.480907 ! 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=0.066053Jy sigma=0.480907 ! Fit after self-cal, rms=0.067767Jy sigma=0.476585 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8434 mas, bmaj=2.023 mas, bpa=-1.565 degrees ! Estimated noise=0.614771 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203006 Jy ! Component: 100 - total flux cleaned = -0.00274854 Jy ! Component: 150 - total flux cleaned = -0.00289561 Jy ! Component: 200 - total flux cleaned = -0.00293632 Jy ! Total flux subtracted in 200 components = -0.00293632 Jy ! Clean residual min=-0.002762 max=0.003685 Jy/beam ! Clean residual mean=0.000000 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.303582 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 110 components and 0.303582 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=0.067666Jy sigma=0.475678 ! Fit after self-cal, rms=0.067684Jy sigma=0.475652 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 (-3.8, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343606 Jy ! Component: 100 - total flux cleaned = 0.00525198 Jy ! Component: 150 - total flux cleaned = 0.00561977 Jy ! Component: 200 - total flux cleaned = 0.00583958 Jy ! Total flux subtracted in 200 components = 0.00583958 Jy ! Clean residual min=-0.002481 max=0.002829 Jy/beam ! Clean residual mean=-0.000001 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.309421 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 135 components and 0.309421 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=0.067517Jy sigma=0.473809 ! Fit after self-cal, rms=0.067501Jy sigma=0.473676 ! Inverting map ! Added new window around map position (-6.4, 12.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255675 Jy ! Component: 100 - total flux cleaned = 0.00345548 Jy ! Component: 150 - total flux cleaned = 0.00389409 Jy ! Component: 200 - total flux cleaned = 0.00410224 Jy ! Total flux subtracted in 200 components = 0.00410224 Jy ! Clean residual min=-0.002056 max=0.002005 Jy/beam ! Clean residual mean=-0.000003 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.313524 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 161 components and 0.313524 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=0.067386Jy sigma=0.472589 ! Fit after self-cal, rms=0.067383Jy sigma=0.472545 ! 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=0.067383Jy sigma=0.472545 ! Fit after self-cal, rms=0.067631Jy sigma=0.472258 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8434 mas, bmaj=2.024 mas, bpa=-1.546 degrees ! Estimated noise=0.613476 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000640752 Jy ! Component: 100 - total flux cleaned = -0.000631544 Jy ! Component: 150 - total flux cleaned = -0.000668079 Jy ! Component: 200 - total flux cleaned = -0.000631124 Jy ! Total flux subtracted in 200 components = -0.000631124 Jy ! Clean residual min=-0.001869 max=0.001879 Jy/beam ! Clean residual mean=-0.000002 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.312893 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 176 components and 0.312893 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=0.067574Jy sigma=0.471745 ! Fit after self-cal, rms=0.067577Jy sigma=0.471733 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 (-16.2, 23.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132756 Jy ! Component: 100 - total flux cleaned = 0.00140731 Jy ! Component: 150 - total flux cleaned = 0.00140599 Jy ! Component: 200 - total flux cleaned = 0.00143795 Jy ! Total flux subtracted in 200 components = 0.00143795 Jy ! Clean residual min=-0.001723 max=0.001613 Jy/beam ! Clean residual mean=-0.000003 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.314331 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 190 components and 0.31433 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=0.067520Jy sigma=0.471247 ! Fit after self-cal, rms=0.067517Jy sigma=0.471220 ! 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=0.067517Jy sigma=0.471220 ! Fit after self-cal, rms=0.067616Jy sigma=0.471103 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.194 mas, bmaj=4.562 mas, bpa=4.623 degrees ! Estimated noise=0.773703 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000582848 Jy ! Component: 100 - total flux cleaned = -0.000330458 Jy ! Component: 150 - total flux cleaned = -0.000160382 Jy ! Component: 200 - total flux cleaned = -8.76591e-05 Jy ! Total flux subtracted in 200 components = -8.76591e-05 Jy ! Clean residual min=-0.001866 max=0.002110 Jy/beam ! Clean residual mean=-0.000005 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.314243 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 202 components and 0.314243 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=0.067593Jy sigma=0.470864 ! Fit after self-cal, rms=0.067592Jy sigma=0.470839 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 = 0.000280413 Jy ! Component: 100 - total flux cleaned = 0.000311797 Jy ! Component: 150 - total flux cleaned = 0.000425986 Jy ! Component: 200 - total flux cleaned = 0.000477767 Jy ! Total flux subtracted in 200 components = 0.000477767 Jy ! Clean residual min=-0.001843 max=0.001948 Jy/beam ! Clean residual mean=-0.000006 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.314721 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 216 components and 0.314721 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=0.067587Jy sigma=0.470792 ! Fit after self-cal, rms=0.067585Jy sigma=0.470780 ! 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=0.8434 mas, bmaj=2.025 mas, bpa=-1.543 degrees ! Estimated noise=0.612405 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8434 x 2.025 at -1.543 degrees (North through East) ! Clean map min=-0.0014316 max=0.1984 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=0.6451 mas, bmaj=1.626 mas, bpa=-1.51 degrees ! Estimated noise=1.1708 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.157017 Jy ! Component: 100 - total flux cleaned = 0.207315 Jy ! Component: 150 - total flux cleaned = 0.229421 Jy ! Component: 200 - total flux cleaned = 0.242214 Jy ! Total flux subtracted in 200 components = 0.242214 Jy ! Clean residual min=-0.004730 max=0.006846 Jy/beam ! Clean residual mean=-0.000008 rms=0.001150 Jy/beam ! Combined flux in latest and established models = 0.242214 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.242214 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8434 mas, bmaj=2.025 mas, bpa=-1.543 degrees ! Estimated noise=0.612405 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 = 0.0144516 Jy ! Component: 100 - total flux cleaned = 0.0237532 Jy ! Component: 150 - total flux cleaned = 0.0306795 Jy ! Component: 200 - total flux cleaned = 0.0361506 Jy ! Total flux subtracted in 200 components = 0.0361506 Jy ! Clean residual min=-0.002615 max=0.003735 Jy/beam ! Clean residual mean=-0.000005 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.278365 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 78 components and 0.278365 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=2.194 mas, bmaj=4.562 mas, bpa=4.623 degrees ! Estimated noise=0.773703 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00800344 Jy ! Component: 100 - total flux cleaned = 0.0137719 Jy ! Component: 150 - total flux cleaned = 0.018242 Jy ! Component: 200 - total flux cleaned = 0.0217813 Jy ! Total flux subtracted in 200 components = 0.0217813 Jy ! Clean residual min=-0.002564 max=0.003136 Jy/beam ! Clean residual mean=-0.000007 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.300146 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 = 0.00283131 Jy ! Component: 100 - total flux cleaned = 0.00511563 Jy ! Component: 150 - total flux cleaned = 0.00697422 Jy ! Component: 200 - total flux cleaned = 0.00850046 Jy ! Total flux subtracted in 200 components = 0.00850046 Jy ! Clean residual min=-0.002033 max=0.002071 Jy/beam ! Clean residual mean=-0.000007 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.308647 Jy ! Adding 133 model components to the UV plane model. ! The established model now contains 195 components and 0.308647 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8434 mas, bmaj=2.025 mas, bpa=-1.543 degrees ! Estimated noise=0.612405 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176968 Jy ! Component: 100 - total flux cleaned = 0.00255035 Jy ! Component: 150 - total flux cleaned = 0.00302569 Jy ! Component: 200 - total flux cleaned = 0.00331257 Jy ! Total flux subtracted in 200 components = 0.00331257 Jy ! Clean residual min=-0.001663 max=0.001724 Jy/beam ! Clean residual mean=-0.000004 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.311959 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 218 components and 0.311959 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=0.067700Jy sigma=0.471695 ! Fit after self-cal, rms=0.067653Jy sigma=0.471476 wmodel J1917-1921_X_map.mod ! Writing 218 model components to file: J1917-1921_X_map.mod wobs J1917-1921_X_uvs.fits ! Writing UV FITS file: J1917-1921_X_uvs.fits wwins J1917-1921_X_map.win ! wwins: Wrote 9 windows to J1917-1921_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 = 9.70363e-05 Jy ! Component: 100 - total flux cleaned = 6.79129e-05 Jy ! Component: 150 - total flux cleaned = -6.73286e-05 Jy ! Component: 200 - total flux cleaned = -0.000221921 Jy ! Component: 250 - total flux cleaned = -0.000296725 Jy ! Component: 300 - total flux cleaned = -0.000249224 Jy ! Component: 350 - total flux cleaned = -0.000319304 Jy ! Component: 400 - total flux cleaned = -0.000274518 Jy ! Component: 450 - total flux cleaned = -0.000363105 Jy ! Component: 500 - total flux cleaned = -0.000362991 Jy ! Component: 550 - total flux cleaned = -0.000426743 Jy ! Component: 600 - total flux cleaned = -0.00042721 Jy ! Component: 650 - total flux cleaned = -0.000529099 Jy ! Component: 700 - total flux cleaned = -0.000568861 Jy ! Component: 750 - total flux cleaned = -0.000607706 Jy ! Component: 800 - total flux cleaned = -0.000646807 Jy ! Component: 850 - total flux cleaned = -0.000685043 Jy ! Component: 900 - total flux cleaned = -0.000703677 Jy ! Component: 950 - total flux cleaned = -0.000759145 Jy ! Component: 1000 - total flux cleaned = -0.000777509 Jy ! Component: 1050 - total flux cleaned = -0.000723583 Jy ! Component: 1100 - total flux cleaned = -0.000794683 Jy ! Component: 1150 - total flux cleaned = -0.000742254 Jy ! Component: 1200 - total flux cleaned = -0.000759692 Jy ! Component: 1250 - total flux cleaned = -0.000793433 Jy ! Component: 1300 - total flux cleaned = -0.000742735 Jy ! Component: 1350 - total flux cleaned = -0.000693156 Jy ! Component: 1400 - total flux cleaned = -0.000676486 Jy ! Component: 1450 - total flux cleaned = -0.000676533 Jy ! Component: 1500 - total flux cleaned = -0.000660068 Jy ! Component: 1550 - total flux cleaned = -0.000660092 Jy ! Component: 1600 - total flux cleaned = -0.000597496 Jy ! Component: 1650 - total flux cleaned = -0.000551242 Jy ! Component: 1700 - total flux cleaned = -0.000581987 Jy ! Component: 1750 - total flux cleaned = -0.000596989 Jy ! Component: 1800 - total flux cleaned = -0.00055212 Jy ! Component: 1850 - total flux cleaned = -0.000567105 Jy ! Component: 1900 - total flux cleaned = -0.000552427 Jy ! Component: 1950 - total flux cleaned = -0.000566814 Jy ! Component: 2000 - total flux cleaned = -0.000581096 Jy ! Component: 2050 - total flux cleaned = -0.000524161 Jy ! Component: 2100 - total flux cleaned = -0.000580484 Jy ! Component: 2150 - total flux cleaned = -0.000594484 Jy ! Component: 2200 - total flux cleaned = -0.000580697 Jy ! Component: 2250 - total flux cleaned = -0.000649254 Jy ! Component: 2300 - total flux cleaned = -0.000621797 Jy ! Component: 2350 - total flux cleaned = -0.000702737 Jy ! Component: 2400 - total flux cleaned = -0.000702756 Jy ! Component: 2450 - total flux cleaned = -0.000742502 Jy ! Component: 2500 - total flux cleaned = -0.000795098 Jy ! Component: 2550 - total flux cleaned = -0.000768959 Jy ! Component: 2600 - total flux cleaned = -0.000794712 Jy ! Component: 2650 - total flux cleaned = -0.000884551 Jy ! Component: 2700 - total flux cleaned = -0.000859118 Jy ! Component: 2750 - total flux cleaned = -0.000846667 Jy ! Component: 2800 - total flux cleaned = -0.000909341 Jy ! Component: 2850 - total flux cleaned = -0.000971614 Jy ! Component: 2900 - total flux cleaned = -0.000996331 Jy ! Component: 2950 - total flux cleaned = -0.00108218 Jy ! Component: 3000 - total flux cleaned = -0.00108208 Jy ! Component: 3050 - total flux cleaned = -0.00110638 Jy ! Component: 3100 - total flux cleaned = -0.00116626 Jy ! Component: 3150 - total flux cleaned = -0.00113044 Jy ! Component: 3200 - total flux cleaned = -0.00117797 Jy ! Component: 3250 - total flux cleaned = -0.00124842 Jy ! Component: 3300 - total flux cleaned = -0.00124855 Jy ! Component: 3350 - total flux cleaned = -0.00126008 Jy ! Component: 3400 - total flux cleaned = -0.00135229 Jy ! Component: 3450 - total flux cleaned = -0.00134076 Jy ! Component: 3500 - total flux cleaned = -0.00135216 Jy ! Component: 3550 - total flux cleaned = -0.00140872 Jy ! Component: 3600 - total flux cleaned = -0.00137486 Jy ! Component: 3650 - total flux cleaned = -0.00145315 Jy ! Component: 3700 - total flux cleaned = -0.00144195 Jy ! Component: 3750 - total flux cleaned = -0.00141987 Jy ! Component: 3800 - total flux cleaned = -0.00146382 Jy ! Component: 3850 - total flux cleaned = -0.00150754 Jy ! Component: 3900 - total flux cleaned = -0.00150751 Jy ! Component: 3950 - total flux cleaned = -0.00155074 Jy ! Component: 4000 - total flux cleaned = -0.00155076 Jy ! Component: 4050 - total flux cleaned = -0.00158283 Jy ! Total flux subtracted in 4096 components = -0.00161472 Jy ! Clean residual min=-0.000593 max=0.000791 Jy/beam ! Clean residual mean=-0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.310345 Jy keep ! Adding 326 model components to the UV plane model. ! The established model now contains 544 components and 0.310345 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1917-1921_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8434 x 2.025 at -1.543 degrees (North through East) ! Clean map min=-0.0010009 max=0.19919 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1917-1921_X_map.fits wmodel /image_prod/ug002_uva//J1917-1921_X_map.mod ! Writing 544 model components to file: /image_prod/ug002_uva//J1917-1921_X_map.mod wobs /image_prod/ug002_uva//J1917-1921_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1917-1921_X_uvs.fits wwins /image_prod/ug002_uva//J1917-1921_X_map.win ! wwins: Wrote 10 windows to /image_prod/ug002_uva//J1917-1921_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.199186 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000177292 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.267025 0.267025 0.53405 1.0681 2.1362 4.2724 8.5448 17.0896 34.1792 68.3584 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.199 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1123.49 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1917-1921_X_dfm.log closed on Thu Mar 5 04:06:51 2020