! Started logfile: .//J1820-0630_C_dfm.log on Mon Jan 20 18:45:43 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1820-0630_C_uva.fits ! Reading UV FITS file: .//J1820-0630_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.988235 visibilities/baseline/integration-bin. ! Found source: J1820-0630 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 6048 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1820-0630_C] 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 0.300x0.300 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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002264Jy sigma=20.608983 ! Fit after self-cal, rms=0.962141Jy sigma=19.757597 ! 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=1.286 mas, bmaj=3.456 mas, bpa=-0.1789 degrees ! Estimated noise=0.572267 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 = 0.0279365 Jy ! Component: 100 - total flux cleaned = 0.0411139 Jy ! Total flux subtracted in 100 components = 0.0411139 Jy ! Clean residual min=-0.005092 max=0.008229 Jy/beam ! Clean residual mean=0.000015 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.0411139 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0411139 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. ! ! Fit before self-cal, rms=0.049853Jy sigma=0.913517 ! Fit after self-cal, rms=0.048094Jy sigma=0.879568 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00968743 Jy ! Component: 100 - total flux cleaned = 0.0151286 Jy ! Total flux subtracted in 100 components = 0.0151286 Jy ! Clean residual min=-0.004119 max=0.004744 Jy/beam ! Clean residual mean=0.000012 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 0.0562425 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 0.0562425 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. ! ! Fit before self-cal, rms=0.046061Jy sigma=0.822306 ! Fit after self-cal, rms=0.046027Jy sigma=0.821376 ! 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=1.576 mas, bmaj=4.006 mas, bpa=0.1578 degrees ! Estimated noise=0.453666 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 = 0.00399053 Jy ! Component: 100 - total flux cleaned = 0.00606813 Jy ! Component: 150 - total flux cleaned = 0.00723684 Jy ! Component: 200 - total flux cleaned = 0.00790218 Jy ! Total flux subtracted in 200 components = 0.00790218 Jy ! Clean residual min=-0.004518 max=0.003730 Jy/beam ! Clean residual mean=0.000006 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 0.0641447 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.0641447 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. ! ! Fit before self-cal, rms=0.045799Jy sigma=0.811743 ! Fit after self-cal, rms=0.045804Jy sigma=0.811593 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.576 x 4.006 at 0.1578 degrees (North through East) ! Clean map min=-0.0043927 max=0.038981 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.18 HN 1.75 KP 1.53 ! LA 1.13 MK 1.22 NL 1.03 OV 1.17 ! PT 1.35 SC 0.75 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.29 HN 1.36 KP 1.33 ! LA 1.25 MK 0.89 NL 0.81 OV 1.22 ! PT 1.22 SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.17 HN 1.03 KP 1.15 ! LA 1.07 MK 1.07 NL 0.78 OV 1.16 ! PT 1.14 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 0.96 HN 1.47 KP 1.01 ! LA 0.95 MK 1.08 NL 0.65 OV 1.06 ! PT 0.96 SC 1.33 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.99 KP 1.12 ! LA 1.02 MK 1.06 NL 0.67 OV 0.97 ! PT 0.94 SC 0.86 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.92 HN 0.97 KP 1.09 ! LA 1.06 MK 1.10 NL 0.61 OV 0.99 ! PT 1.01 SC 0.87 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.96 HN 0.88 KP 1.02 ! LA 1.04 MK 1.27 NL 0.63 OV 1.03 ! PT 0.99 SC 0.78 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.88 KP 1.07 ! LA 0.99 MK 0.89 NL 0.68 OV 0.95 ! PT 1.00 SC 0.84 ! ! ! Fit before self-cal, rms=0.045804Jy sigma=0.811593 ! Fit after self-cal, rms=0.051864Jy sigma=0.760829 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.568 mas, bmaj=3.924 mas, bpa=1.137 degrees ! Estimated noise=0.448141 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 (30.6, -17.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250003 Jy ! Component: 100 - total flux cleaned = 0.00385357 Jy ! Component: 150 - total flux cleaned = 0.00455341 Jy ! Component: 200 - total flux cleaned = 0.00494808 Jy ! Total flux subtracted in 200 components = 0.00494808 Jy ! Clean residual min=-0.001344 max=0.001541 Jy/beam ! Clean residual mean=0.000002 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.0690928 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 85 components and 0.0690928 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. ! ! Fit before self-cal, rms=0.051732Jy sigma=0.757274 ! Fit after self-cal, rms=0.052059Jy sigma=0.754977 ! 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. ! ! Fit before self-cal, rms=0.052059Jy sigma=0.754977 ! Fit after self-cal, rms=0.052867Jy sigma=0.754573 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.564 mas, bmaj=3.916 mas, bpa=1.152 degrees ! Estimated noise=0.446472 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000992149 Jy ! Component: 100 - total flux cleaned = 0.00143233 Jy ! Component: 150 - total flux cleaned = 0.00165235 Jy ! Component: 200 - total flux cleaned = 0.00173791 Jy ! Total flux subtracted in 200 components = 0.00173791 Jy ! Clean residual min=-0.001334 max=0.001446 Jy/beam ! Clean residual mean=0.000002 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.0708307 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.0708307 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. ! ! Fit before self-cal, rms=0.052835Jy sigma=0.753987 ! Fit after self-cal, rms=0.052947Jy sigma=0.753830 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 (37.8, -49.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010771 Jy ! Component: 100 - total flux cleaned = 0.00117518 Jy ! Component: 150 - total flux cleaned = 0.00135279 Jy ! Component: 200 - total flux cleaned = 0.00150834 Jy ! Total flux subtracted in 200 components = 0.00150834 Jy ! Clean residual min=-0.001276 max=0.001395 Jy/beam ! Clean residual mean=0.000001 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.072339 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 118 components and 0.072339 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. ! ! Fit before self-cal, rms=0.052896Jy sigma=0.752369 ! Fit after self-cal, rms=0.052891Jy sigma=0.752089 ! Inverting map ! Added new window around map position (3.6, 33.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000604649 Jy ! Component: 100 - total flux cleaned = 0.000678455 Jy ! Component: 150 - total flux cleaned = 0.000702906 Jy ! Component: 200 - total flux cleaned = 0.000842844 Jy ! Total flux subtracted in 200 components = 0.000842844 Jy ! Clean residual min=-0.001331 max=0.001196 Jy/beam ! Clean residual mean=0.000001 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0731819 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 0.0731819 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. ! ! Fit before self-cal, rms=0.052840Jy sigma=0.750952 ! Fit after self-cal, rms=0.052859Jy sigma=0.750787 ! 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. ! ! Fit before self-cal, rms=0.052859Jy sigma=0.750787 ! Fit after self-cal, rms=0.052692Jy sigma=0.750600 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.558 mas, bmaj=3.897 mas, bpa=1.604 degrees ! Estimated noise=0.44209 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000507625 Jy ! Component: 100 - total flux cleaned = 0.000674554 Jy ! Component: 150 - total flux cleaned = 0.000824073 Jy ! Component: 200 - total flux cleaned = 0.000941339 Jy ! Total flux subtracted in 200 components = 0.000941339 Jy ! Clean residual min=-0.001274 max=0.001146 Jy/beam ! Clean residual mean=0.000001 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.0741232 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 141 components and 0.0741232 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. ! ! Fit before self-cal, rms=0.052667Jy sigma=0.750022 ! Fit after self-cal, rms=0.052768Jy sigma=0.749933 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 = 0.000182384 Jy ! Component: 100 - total flux cleaned = 0.000242348 Jy ! Component: 150 - total flux cleaned = 0.000332737 Jy ! Component: 200 - total flux cleaned = 0.000382258 Jy ! Total flux subtracted in 200 components = 0.000382258 Jy ! Clean residual min=-0.001275 max=0.001158 Jy/beam ! Clean residual mean=0.000001 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0745055 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 151 components and 0.0745055 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. ! ! Fit before self-cal, rms=0.052752Jy sigma=0.749584 ! Fit after self-cal, rms=0.052767Jy sigma=0.749554 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.052767Jy sigma=0.749554 ! Fit after self-cal, rms=0.052904Jy sigma=0.749497 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.572 mas, bmaj=6.793 mas, bpa=3.659 degrees ! Estimated noise=0.571561 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000489751 Jy ! Component: 100 - total flux cleaned = 0.000706533 Jy ! Component: 150 - total flux cleaned = 0.000877226 Jy ! Component: 200 - total flux cleaned = 0.00101946 Jy ! Total flux subtracted in 200 components = 0.00101946 Jy ! Clean residual min=-0.001304 max=0.001143 Jy/beam ! Clean residual mean=0.000002 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.0755249 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 166 components and 0.0755249 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. ! ! Fit before self-cal, rms=0.052900Jy sigma=0.749409 ! Fit after self-cal, rms=0.052950Jy sigma=0.749377 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 = 0.000170658 Jy ! Component: 100 - total flux cleaned = 0.000280651 Jy ! Component: 150 - total flux cleaned = 0.000339736 Jy ! Component: 200 - total flux cleaned = 0.000388072 Jy ! Total flux subtracted in 200 components = 0.000388072 Jy ! Clean residual min=-0.001274 max=0.001148 Jy/beam ! Clean residual mean=0.000002 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.075913 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 172 components and 0.075913 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. ! ! Fit before self-cal, rms=0.052948Jy sigma=0.749341 ! Fit after self-cal, rms=0.052955Jy sigma=0.749333 ! 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=1.559 mas, bmaj=3.893 mas, bpa=1.874 degrees ! Estimated noise=0.441513 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.559 x 3.893 at 1.874 degrees (North through East) ! Clean map min=-0.0011854 max=0.038185 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=1.287 mas, bmaj=3.362 mas, bpa=1.561 degrees ! Estimated noise=0.544761 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0289021 Jy ! Component: 100 - total flux cleaned = 0.0424712 Jy ! Component: 150 - total flux cleaned = 0.0504575 Jy ! Component: 200 - total flux cleaned = 0.0553698 Jy ! Total flux subtracted in 200 components = 0.0553698 Jy ! Clean residual min=-0.002557 max=0.002897 Jy/beam ! Clean residual mean=0.000007 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0553698 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.0553698 Jy ! Inverting map and beam ! Estimated beam: bmin=1.559 mas, bmaj=3.893 mas, bpa=1.874 degrees ! Estimated noise=0.441513 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 = 0.00431767 Jy ! Component: 100 - total flux cleaned = 0.00731484 Jy ! Component: 150 - total flux cleaned = 0.00975049 Jy ! Component: 200 - total flux cleaned = 0.011774 Jy ! Total flux subtracted in 200 components = 0.011774 Jy ! Clean residual min=-0.001766 max=0.001634 Jy/beam ! Clean residual mean=0.000006 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.0671437 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 58 components and 0.0671437 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.572 mas, bmaj=6.793 mas, bpa=3.659 degrees ! Estimated noise=0.571561 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00239885 Jy ! Component: 100 - total flux cleaned = 0.0038439 Jy ! Component: 150 - total flux cleaned = 0.00494421 Jy ! Component: 200 - total flux cleaned = 0.00581313 Jy ! Total flux subtracted in 200 components = 0.00581313 Jy ! Clean residual min=-0.001471 max=0.001211 Jy/beam ! Clean residual mean=0.000005 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.0729569 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 = 0.000711588 Jy ! Component: 100 - total flux cleaned = 0.00130288 Jy ! Component: 150 - total flux cleaned = 0.00162827 Jy ! Component: 200 - total flux cleaned = 0.00177352 Jy ! Total flux subtracted in 200 components = 0.00177352 Jy ! Clean residual min=-0.001378 max=0.001143 Jy/beam ! Clean residual mean=0.000003 rms=0.000350 Jy/beam ! Combined flux in latest and established models = 0.0747304 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 124 components and 0.0747304 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.559 mas, bmaj=3.893 mas, bpa=1.874 degrees ! Estimated noise=0.441513 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.60678e-05 Jy ! Component: 100 - total flux cleaned = -5.74268e-05 Jy ! Component: 150 - total flux cleaned = -0.000204585 Jy ! Component: 200 - total flux cleaned = -0.000204102 Jy ! Total flux subtracted in 200 components = -0.000204102 Jy ! Clean residual min=-0.001349 max=0.001226 Jy/beam ! Clean residual mean=0.000002 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.0745263 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 141 components and 0.0745263 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. ! ! Fit before self-cal, rms=0.052993Jy sigma=0.750696 ! Fit after self-cal, rms=0.052977Jy sigma=0.750449 wmodel J1820-0630_C_map.mod ! Writing 141 model components to file: J1820-0630_C_map.mod wobs J1820-0630_C_uvs.fits ! Writing UV FITS file: J1820-0630_C_uvs.fits wwins J1820-0630_C_map.win ! wwins: Wrote 4 windows to J1820-0630_C_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 = -7.77286e-05 Jy ! Component: 100 - total flux cleaned = -3.51767e-05 Jy ! Component: 150 - total flux cleaned = -7.54098e-05 Jy ! Component: 200 - total flux cleaned = -0.000113851 Jy ! Component: 250 - total flux cleaned = -0.000169264 Jy ! Component: 300 - total flux cleaned = -0.000204998 Jy ! Component: 350 - total flux cleaned = -0.000188318 Jy ! Component: 400 - total flux cleaned = -0.000205088 Jy ! Component: 450 - total flux cleaned = -0.000156947 Jy ! Component: 500 - total flux cleaned = -0.000109635 Jy ! Component: 550 - total flux cleaned = -7.90738e-05 Jy ! Component: 600 - total flux cleaned = -6.39815e-05 Jy ! Component: 650 - total flux cleaned = -4.91648e-05 Jy ! Component: 700 - total flux cleaned = -4.91826e-05 Jy ! Component: 750 - total flux cleaned = -6.29995e-05 Jy ! Component: 800 - total flux cleaned = -7.67802e-05 Jy ! Component: 850 - total flux cleaned = -7.68187e-05 Jy ! Component: 900 - total flux cleaned = -2.29877e-05 Jy ! Component: 950 - total flux cleaned = 3.51442e-06 Jy ! Component: 1000 - total flux cleaned = 4.25298e-05 Jy ! Component: 1050 - total flux cleaned = 4.26653e-05 Jy ! Component: 1100 - total flux cleaned = 6.77635e-05 Jy ! Component: 1150 - total flux cleaned = 7.99809e-05 Jy ! Component: 1200 - total flux cleaned = 9.22186e-05 Jy ! Component: 1250 - total flux cleaned = 4.34711e-05 Jy ! Component: 1300 - total flux cleaned = 9.16796e-05 Jy ! Component: 1350 - total flux cleaned = 9.15766e-05 Jy ! Component: 1400 - total flux cleaned = 9.16021e-05 Jy ! Component: 1450 - total flux cleaned = 0.000126527 Jy ! Component: 1500 - total flux cleaned = 0.000126288 Jy ! Component: 1550 - total flux cleaned = 0.000171615 Jy ! Component: 1600 - total flux cleaned = 0.000160218 Jy ! Component: 1650 - total flux cleaned = 0.000215847 Jy ! Component: 1700 - total flux cleaned = 0.000226787 Jy ! Component: 1750 - total flux cleaned = 0.000204932 Jy ! Component: 1800 - total flux cleaned = 0.00025879 Jy ! Component: 1850 - total flux cleaned = 0.000226757 Jy ! Component: 1900 - total flux cleaned = 0.000248033 Jy ! Component: 1950 - total flux cleaned = 0.000216544 Jy ! Component: 2000 - total flux cleaned = 0.000206376 Jy ! Component: 2050 - total flux cleaned = 0.000227102 Jy ! Component: 2100 - total flux cleaned = 0.000257558 Jy ! Component: 2150 - total flux cleaned = 0.000267653 Jy ! Component: 2200 - total flux cleaned = 0.000237671 Jy ! Component: 2250 - total flux cleaned = 0.000237862 Jy ! Component: 2300 - total flux cleaned = 0.000277142 Jy ! Component: 2350 - total flux cleaned = 0.00029653 Jy ! Component: 2400 - total flux cleaned = 0.000286869 Jy ! Component: 2450 - total flux cleaned = 0.000286883 Jy ! Component: 2500 - total flux cleaned = 0.000286713 Jy ! Component: 2550 - total flux cleaned = 0.000286675 Jy ! Component: 2600 - total flux cleaned = 0.000258719 Jy ! Component: 2650 - total flux cleaned = 0.0002958 Jy ! Component: 2700 - total flux cleaned = 0.000259097 Jy ! Component: 2750 - total flux cleaned = 0.000259125 Jy ! Component: 2800 - total flux cleaned = 0.0002321 Jy ! Component: 2850 - total flux cleaned = 0.000259099 Jy ! Component: 2900 - total flux cleaned = 0.000196913 Jy ! Component: 2950 - total flux cleaned = 0.000249835 Jy ! Component: 3000 - total flux cleaned = 0.000206126 Jy ! Component: 3050 - total flux cleaned = 0.000197439 Jy ! Component: 3100 - total flux cleaned = 0.000188905 Jy ! Component: 3150 - total flux cleaned = 0.000154721 Jy ! Component: 3200 - total flux cleaned = 0.000129291 Jy ! Component: 3250 - total flux cleaned = 0.000137763 Jy ! Component: 3300 - total flux cleaned = 0.000104226 Jy ! Component: 3350 - total flux cleaned = 0.000129269 Jy ! Component: 3400 - total flux cleaned = 0.000120994 Jy ! Component: 3450 - total flux cleaned = 7.99696e-05 Jy ! Component: 3500 - total flux cleaned = 7.99717e-05 Jy ! Component: 3550 - total flux cleaned = 7.97991e-05 Jy ! Component: 3600 - total flux cleaned = 5.55809e-05 Jy ! Component: 3650 - total flux cleaned = 2.36026e-05 Jy ! Component: 3700 - total flux cleaned = 3.15672e-05 Jy ! Component: 3750 - total flux cleaned = 7.91557e-06 Jy ! Component: 3800 - total flux cleaned = -6.26769e-05 Jy ! Component: 3850 - total flux cleaned = -3.14615e-05 Jy ! Component: 3900 - total flux cleaned = -7.02761e-05 Jy ! Component: 3950 - total flux cleaned = -8.55771e-05 Jy ! Component: 4000 - total flux cleaned = -0.000100865 Jy ! Component: 4050 - total flux cleaned = -0.000153989 Jy ! Total flux subtracted in 4096 components = -0.000123824 Jy ! Clean residual min=-0.000448 max=0.000430 Jy/beam ! Clean residual mean=-0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0744025 Jy keep ! Adding 271 model components to the UV plane model. ! The established model now contains 412 components and 0.0744024 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1820-0630_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.559 x 3.893 at 1.874 degrees (North through East) ! Clean map min=-0.00081264 max=0.037959 Jy/beam ! Writing clean map to FITS file: .//J1820-0630_C_map.fits wmodel .//J1820-0630_C_map.mod ! Writing 412 model components to file: .//J1820-0630_C_map.mod wobs .//J1820-0630_C_uvs.fits ! Writing UV FITS file: .//J1820-0630_C_uvs.fits wwins .//J1820-0630_C_map.win ! wwins: Wrote 5 windows to .//J1820-0630_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0379591 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000130256 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.02945 1.02945 2.0589 4.11779 8.23558 16.4712 32.9423 65.8847 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.037 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 291.418 quit ! Quitting program ! Log file .//J1820-0630_C_dfm.log closed on Mon Jan 20 18:45:46 2020