! Started logfile: /vlbi/uf001/uva//J2052+6858_X_dfm.log on Mon Jan 14 05:40:53 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//J2052+6858_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2052+6858_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.930214 visibilities/baseline/integration-bin. ! Found source: J2052+6858 ! ! 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 28632 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 J2052+6858_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 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002926Jy sigma=24.168413 ! Fit after self-cal, rms=0.947838Jy sigma=22.783878 ! 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=0.7816 mas, bmaj=0.9219 mas, bpa=16.52 degrees ! Estimated noise=0.378352 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 = 0.0399307 Jy ! Component: 100 - total flux cleaned = 0.052527 Jy ! Total flux subtracted in 100 components = 0.052527 Jy ! Clean residual min=-0.003022 max=0.005341 Jy/beam ! Clean residual mean=0.000011 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.052527 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.052527 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=0.064552Jy sigma=1.370670 ! Fit after self-cal, rms=0.063248Jy sigma=1.341406 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00697928 Jy ! Component: 100 - total flux cleaned = 0.0101026 Jy ! Total flux subtracted in 100 components = 0.0101026 Jy ! Clean residual min=-0.002540 max=0.002777 Jy/beam ! Clean residual mean=0.000009 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.0626296 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.0626296 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=0.062504Jy sigma=1.315206 ! Fit after self-cal, rms=0.062494Jy sigma=1.314809 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.012 mas, bmaj=1.203 mas, bpa=20.26 degrees ! Estimated noise=0.18433 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 = 0.00239608 Jy ! Component: 100 - total flux cleaned = 0.00344131 Jy ! Component: 150 - total flux cleaned = 0.00399428 Jy ! Component: 200 - total flux cleaned = 0.00412575 Jy ! Total flux subtracted in 200 components = 0.00412575 Jy ! Clean residual min=-0.002174 max=0.002866 Jy/beam ! Clean residual mean=0.000019 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.0667554 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.0667554 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=0.062445Jy sigma=1.311765 ! Fit after self-cal, rms=0.062448Jy sigma=1.311635 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.012 x 1.203 at 20.26 degrees (North through East) ! Clean map min=-0.0020841 max=0.054799 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.06 HN 0.99 KP 1.03 ! LA 0.86 MK 0.97 NL 1.01 OV 0.98 ! PT 0.89 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.04 HN 0.97 KP 1.01 ! LA 0.88 MK 0.94 NL 1.01 OV 1.00 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.02 HN 1.02 KP 1.07 ! LA 0.92 MK 0.96 NL 1.11 OV 0.96 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.06 HN 0.99 KP 1.02 ! LA 0.88 MK 1.02 NL 1.13 OV 0.95 ! PT 0.90 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.05 HN 1.02 KP 1.04 ! LA 0.88 MK 0.93 NL 1.01 OV 0.96 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.05 HN 1.03 KP 1.11 ! LA 0.85 MK 0.94 NL 1.01 OV 0.89 ! PT 0.88 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.09 HN 1.01 KP 1.06 ! LA 0.86 MK 0.99 NL 1.03 OV 0.93 ! PT 0.85 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.03 HN 0.89 KP 1.05 ! LA 0.85 MK 1.06 NL 1.02 OV 0.98 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.07 HN 0.99 KP 1.02 ! LA 0.82 MK 1.01 NL 1.04 OV 0.91 ! PT 0.95 SC 1.09 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.07 HN 1.01 KP 1.10 ! LA 0.84 MK 1.02 NL 1.02 OV 0.92 ! PT 0.86 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.10 HN 1.04 KP 1.04 ! LA 0.91 MK 1.01 NL 1.01 OV 0.94 ! PT 0.96 SC 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.07 HN 0.96 KP 1.09 ! LA 0.87 MK 0.98 NL 1.02 OV 0.96 ! PT 0.86 SC 0.92 ! ! ! Fit before self-cal, rms=0.062448Jy sigma=1.311635 ! Fit after self-cal, rms=0.060953Jy sigma=1.300895 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.008 mas, bmaj=1.204 mas, bpa=20.18 degrees ! Estimated noise=0.182192 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 = -0.000664106 Jy ! Component: 100 - total flux cleaned = -0.000763441 Jy ! Component: 150 - total flux cleaned = -0.000803326 Jy ! Component: 200 - total flux cleaned = -0.000827592 Jy ! Total flux subtracted in 200 components = -0.000827592 Jy ! Clean residual min=-0.001724 max=0.002040 Jy/beam ! Clean residual mean=0.000009 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.0659278 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 19 components and 0.0659278 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=0.060936Jy sigma=1.300811 ! Fit after self-cal, rms=0.061001Jy sigma=1.300172 ! 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=0.061001Jy sigma=1.300172 ! Fit after self-cal, rms=0.066350Jy sigma=1.289807 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.01 mas, bmaj=1.204 mas, bpa=19.53 degrees ! Estimated noise=0.182575 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000120805 Jy ! Component: 100 - total flux cleaned = 8.68478e-05 Jy ! Component: 150 - total flux cleaned = 7.77608e-05 Jy ! Component: 200 - total flux cleaned = 8.66763e-05 Jy ! Total flux subtracted in 200 components = 8.66763e-05 Jy ! Clean residual min=-0.001044 max=0.001643 Jy/beam ! Clean residual mean=-0.000002 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.0660145 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 23 components and 0.0660145 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=0.066346Jy sigma=1.289726 ! Fit after self-cal, rms=0.066539Jy sigma=1.289133 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 (2.4, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150609 Jy ! Component: 100 - total flux cleaned = 0.00192613 Jy ! Component: 150 - total flux cleaned = 0.00189208 Jy ! Component: 200 - total flux cleaned = 0.00182981 Jy ! Total flux subtracted in 200 components = 0.00182981 Jy ! Clean residual min=-0.001052 max=0.001115 Jy/beam ! Clean residual mean=-0.000002 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0678443 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 40 components and 0.0678443 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=0.066508Jy sigma=1.288120 ! Fit after self-cal, rms=0.066493Jy sigma=1.287889 ! Inverting map ! Added new window around map position (3.2, -36.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000975884 Jy ! Component: 100 - total flux cleaned = 0.00127655 Jy ! Component: 150 - total flux cleaned = 0.00148077 Jy ! Component: 200 - total flux cleaned = 0.00151404 Jy ! Total flux subtracted in 200 components = 0.00151404 Jy ! Clean residual min=-0.001041 max=0.000949 Jy/beam ! Clean residual mean=-0.000002 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0693583 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 56 components and 0.0693583 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=0.066472Jy sigma=1.287429 ! Fit after self-cal, rms=0.066467Jy sigma=1.287368 ! 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=0.066467Jy sigma=1.287368 ! Fit after self-cal, rms=0.066959Jy sigma=1.287103 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.007 mas, bmaj=1.201 mas, bpa=19.44 degrees ! Estimated noise=0.182417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000690075 Jy ! Component: 100 - total flux cleaned = 0.00100592 Jy ! Component: 150 - total flux cleaned = 0.00116136 Jy ! Component: 200 - total flux cleaned = 0.00121813 Jy ! Total flux subtracted in 200 components = 0.00121813 Jy ! Clean residual min=-0.000991 max=0.000939 Jy/beam ! Clean residual mean=-0.000001 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.0705764 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 62 components and 0.0705764 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=0.066948Jy sigma=1.286838 ! Fit after self-cal, rms=0.066959Jy sigma=1.286802 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 = 0.000243274 Jy ! Component: 100 - total flux cleaned = 0.000284289 Jy ! Component: 150 - total flux cleaned = 0.000284359 Jy ! Component: 200 - total flux cleaned = 0.000260317 Jy ! Total flux subtracted in 200 components = 0.000260317 Jy ! Clean residual min=-0.000992 max=0.000920 Jy/beam ! Clean residual mean=-0.000002 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.0708368 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 70 components and 0.0708368 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=0.066953Jy sigma=1.286679 ! Fit after self-cal, rms=0.066951Jy sigma=1.286667 ! 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=0.066951Jy sigma=1.286667 ! Fit after self-cal, rms=0.067039Jy sigma=1.286613 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.205 mas, bmaj=2.537 mas, bpa=38.85 degrees ! Estimated noise=0.236097 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000395198 Jy ! Component: 100 - total flux cleaned = 0.000512058 Jy ! Component: 150 - total flux cleaned = 0.000553862 Jy ! Component: 200 - total flux cleaned = 0.000575611 Jy ! Total flux subtracted in 200 components = 0.000575611 Jy ! Clean residual min=-0.001001 max=0.001127 Jy/beam ! Clean residual mean=-0.000002 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.0714124 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 84 components and 0.0714124 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=0.067036Jy sigma=1.286567 ! Fit after self-cal, rms=0.067036Jy sigma=1.286548 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 (7, -5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000473992 Jy ! Component: 100 - total flux cleaned = 0.000552195 Jy ! Component: 150 - total flux cleaned = 0.000604194 Jy ! Component: 200 - total flux cleaned = 0.000678446 Jy ! Total flux subtracted in 200 components = 0.000678446 Jy ! Clean residual min=-0.000930 max=0.000983 Jy/beam ! Clean residual mean=-0.000003 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0720908 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 114 components and 0.0720908 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=0.067025Jy sigma=1.286288 ! Fit after self-cal, rms=0.067020Jy sigma=1.286234 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.201 mas, bpa=19.49 degrees ! Estimated noise=0.182509 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.201 at 19.49 degrees (North through East) ! Clean map min=-0.0008529 max=0.054006 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=0.7701 mas, bmaj=0.9185 mas, bpa=15.38 degrees ! Estimated noise=0.374417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0407817 Jy ! Component: 100 - total flux cleaned = 0.0544361 Jy ! Component: 150 - total flux cleaned = 0.0604083 Jy ! Component: 200 - total flux cleaned = 0.0637364 Jy ! Total flux subtracted in 200 components = 0.0637364 Jy ! Clean residual min=-0.002149 max=0.002331 Jy/beam ! Clean residual mean=0.000001 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.0637364 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0637364 Jy ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.201 mas, bpa=19.49 degrees ! Estimated noise=0.182509 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 = 0.00265083 Jy ! Component: 100 - total flux cleaned = 0.00421326 Jy ! Component: 150 - total flux cleaned = 0.00514882 Jy ! Component: 200 - total flux cleaned = 0.00570861 Jy ! Total flux subtracted in 200 components = 0.00570861 Jy ! Clean residual min=-0.001022 max=0.000973 Jy/beam ! Clean residual mean=-0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.069445 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 39 components and 0.069445 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=2.205 mas, bmaj=2.537 mas, bpa=38.85 degrees ! Estimated noise=0.236097 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101542 Jy ! Component: 100 - total flux cleaned = 0.00151478 Jy ! Component: 150 - total flux cleaned = 0.00180964 Jy ! Component: 200 - total flux cleaned = 0.0019974 Jy ! Total flux subtracted in 200 components = 0.0019974 Jy ! Clean residual min=-0.001006 max=0.000866 Jy/beam ! Clean residual mean=-0.000002 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.0714424 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 = 0.000183981 Jy ! Component: 100 - total flux cleaned = 0.000330103 Jy ! Component: 150 - total flux cleaned = 0.000431233 Jy ! Component: 200 - total flux cleaned = 0.00049721 Jy ! Total flux subtracted in 200 components = 0.00049721 Jy ! Clean residual min=-0.000943 max=0.000899 Jy/beam ! Clean residual mean=-0.000002 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.0719396 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 83 components and 0.0719396 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.201 mas, bpa=19.49 degrees ! Estimated noise=0.182509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000178085 Jy ! Component: 100 - total flux cleaned = -0.000124141 Jy ! Component: 150 - total flux cleaned = -5.33227e-05 Jy ! Component: 200 - total flux cleaned = 1.05208e-05 Jy ! Total flux subtracted in 200 components = 1.05208e-05 Jy ! Clean residual min=-0.000995 max=0.000866 Jy/beam ! Clean residual mean=-0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0719501 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 106 components and 0.0719501 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=0.067010Jy sigma=1.286114 ! Fit after self-cal, rms=0.066998Jy sigma=1.286009 wmodel J2052+6858_X_map.mod ! Writing 106 model components to file: J2052+6858_X_map.mod wobs J2052+6858_X_uvs.fits ! Writing UV FITS file: J2052+6858_X_uvs.fits wwins J2052+6858_X_map.win ! wwins: Wrote 4 windows to J2052+6858_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 = -0.000209402 Jy ! Component: 100 - total flux cleaned = -0.000334254 Jy ! Component: 150 - total flux cleaned = -0.000423907 Jy ! Component: 200 - total flux cleaned = -0.000452753 Jy ! Component: 250 - total flux cleaned = -0.000466735 Jy ! Component: 300 - total flux cleaned = -0.000507534 Jy ! Component: 350 - total flux cleaned = -0.000533959 Jy ! Component: 400 - total flux cleaned = -0.000546737 Jy ! Component: 450 - total flux cleaned = -0.000546617 Jy ! Component: 500 - total flux cleaned = -0.000572081 Jy ! Component: 550 - total flux cleaned = -0.000584852 Jy ! Component: 600 - total flux cleaned = -0.000634336 Jy ! Component: 650 - total flux cleaned = -0.000671132 Jy ! Component: 700 - total flux cleaned = -0.000695265 Jy ! Component: 750 - total flux cleaned = -0.000743125 Jy ! Component: 800 - total flux cleaned = -0.000778545 Jy ! Component: 850 - total flux cleaned = -0.000848642 Jy ! Component: 900 - total flux cleaned = -0.000883334 Jy ! Component: 950 - total flux cleaned = -0.000906246 Jy ! Component: 1000 - total flux cleaned = -0.00100825 Jy ! Component: 1050 - total flux cleaned = -0.00101929 Jy ! Component: 1100 - total flux cleaned = -0.00107494 Jy ! Component: 1150 - total flux cleaned = -0.0011413 Jy ! Component: 1200 - total flux cleaned = -0.00117423 Jy ! Component: 1250 - total flux cleaned = -0.00122859 Jy ! Component: 1300 - total flux cleaned = -0.00128251 Jy ! Component: 1350 - total flux cleaned = -0.00132529 Jy ! Component: 1400 - total flux cleaned = -0.00135707 Jy ! Component: 1450 - total flux cleaned = -0.00139933 Jy ! Component: 1500 - total flux cleaned = -0.0014413 Jy ! Component: 1550 - total flux cleaned = -0.00151423 Jy ! Component: 1600 - total flux cleaned = -0.00155546 Jy ! Component: 1650 - total flux cleaned = -0.00160661 Jy ! Component: 1700 - total flux cleaned = -0.00161673 Jy ! Component: 1750 - total flux cleaned = -0.00165716 Jy ! Component: 1800 - total flux cleaned = -0.00168728 Jy ! Component: 1850 - total flux cleaned = -0.00169723 Jy ! Component: 1900 - total flux cleaned = -0.00172708 Jy ! Component: 1950 - total flux cleaned = -0.00178619 Jy ! Component: 2000 - total flux cleaned = -0.00183523 Jy ! Component: 2050 - total flux cleaned = -0.00183527 Jy ! Component: 2100 - total flux cleaned = -0.00189338 Jy ! Component: 2150 - total flux cleaned = -0.00193175 Jy ! Component: 2200 - total flux cleaned = -0.00195078 Jy ! Component: 2250 - total flux cleaned = -0.00193172 Jy ! Component: 2300 - total flux cleaned = -0.00199784 Jy ! Component: 2350 - total flux cleaned = -0.00202597 Jy ! Component: 2400 - total flux cleaned = -0.0020166 Jy ! Component: 2450 - total flux cleaned = -0.00203526 Jy ! Component: 2500 - total flux cleaned = -0.00205371 Jy ! Component: 2550 - total flux cleaned = -0.00209972 Jy ! Component: 2600 - total flux cleaned = -0.00209968 Jy ! Component: 2650 - total flux cleaned = -0.00210868 Jy ! Component: 2700 - total flux cleaned = -0.00214488 Jy ! Component: 2750 - total flux cleaned = -0.00218984 Jy ! Component: 2800 - total flux cleaned = -0.00214507 Jy ! Component: 2850 - total flux cleaned = -0.0021985 Jy ! Component: 2900 - total flux cleaned = -0.00220742 Jy ! Component: 2950 - total flux cleaned = -0.00218985 Jy ! Component: 3000 - total flux cleaned = -0.00221614 Jy ! Component: 3050 - total flux cleaned = -0.00226851 Jy ! Component: 3100 - total flux cleaned = -0.00224246 Jy ! Component: 3150 - total flux cleaned = -0.00229433 Jy ! Component: 3200 - total flux cleaned = -0.00227712 Jy ! Component: 3250 - total flux cleaned = -0.00226856 Jy ! Component: 3300 - total flux cleaned = -0.00226002 Jy ! Component: 3350 - total flux cleaned = -0.00224304 Jy ! Component: 3400 - total flux cleaned = -0.00225997 Jy ! Component: 3450 - total flux cleaned = -0.00226837 Jy ! Component: 3500 - total flux cleaned = -0.0022934 Jy ! Component: 3550 - total flux cleaned = -0.0022601 Jy ! Component: 3600 - total flux cleaned = -0.0022435 Jy ! Component: 3650 - total flux cleaned = -0.00225999 Jy ! Component: 3700 - total flux cleaned = -0.00224364 Jy ! Component: 3750 - total flux cleaned = -0.00225999 Jy ! Component: 3800 - total flux cleaned = -0.00224375 Jy ! Component: 3850 - total flux cleaned = -0.00223565 Jy ! Component: 3900 - total flux cleaned = -0.00225186 Jy ! Component: 3950 - total flux cleaned = -0.00229199 Jy ! Component: 4000 - total flux cleaned = -0.00228395 Jy ! Component: 4050 - total flux cleaned = -0.00223624 Jy ! Total flux subtracted in 4096 components = -0.00222835 Jy ! Clean residual min=-0.000519 max=0.000509 Jy/beam ! Clean residual mean=-0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0697218 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 423 components and 0.0697218 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2052+6858_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.201 at 19.49 degrees (North through East) ! Clean map min=-0.0008951 max=0.054059 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2052+6858_X_map.fits wmodel /vlbi/uf001/uva//J2052+6858_X_map.mod ! Writing 423 model components to file: /vlbi/uf001/uva//J2052+6858_X_map.mod wobs /vlbi/uf001/uva//J2052+6858_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2052+6858_X_uvs.fits wwins /vlbi/uf001/uva//J2052+6858_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J2052+6858_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0540594 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000132379 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.734631 0.734631 1.46926 2.93852 5.87705 11.7541 23.5082 47.0164 94.0327 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.054 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 408.368 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2052+6858_X_dfm.log closed on Mon Jan 14 05:40:58 2019