! Started logfile: .//J1842+3516_C_dfm.log on Mon Jan 20 18:47:58 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 .//J1842+3516_C_uva.fits ! Reading UV FITS file: .//J1842+3516_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.988235 visibilities/baseline/integration-bin. ! Found source: J1842+3516 ! ! 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 J1842+3516_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=1.005291Jy sigma=24.281266 ! Fit after self-cal, rms=0.909972Jy sigma=21.952604 ! 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=1.327 mas, bmaj=3.984 mas, bpa=16.19 degrees ! Estimated noise=0.590346 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 = 0.0692216 Jy ! Component: 100 - total flux cleaned = 0.0864579 Jy ! Total flux subtracted in 100 components = 0.0864579 Jy ! Clean residual min=-0.003721 max=0.007128 Jy/beam ! Clean residual mean=-0.000001 rms=0.000948 Jy/beam ! Combined flux in latest and established models = 0.0864579 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0864579 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=0.033466Jy sigma=0.754944 ! Fit after self-cal, rms=0.033449Jy sigma=0.754651 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00774836 Jy ! Component: 100 - total flux cleaned = 0.0116453 Jy ! Total flux subtracted in 100 components = 0.0116453 Jy ! Clean residual min=-0.002880 max=0.002559 Jy/beam ! Clean residual mean=-0.000001 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.0981032 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 12 components and 0.0981032 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=0.031661Jy sigma=0.708007 ! Fit after self-cal, rms=0.031652Jy sigma=0.707722 ! 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=1.666 mas, bmaj=4.364 mas, bpa=15.36 degrees ! Estimated noise=0.382282 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 = 0.0023089 Jy ! Component: 100 - total flux cleaned = 0.00314167 Jy ! Component: 150 - total flux cleaned = 0.00324585 Jy ! Component: 200 - total flux cleaned = 0.00330198 Jy ! Total flux subtracted in 200 components = 0.00330198 Jy ! Clean residual min=-0.002133 max=0.002143 Jy/beam ! Clean residual mean=-0.000004 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.101405 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.101405 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=0.031466Jy sigma=0.703221 ! Fit after self-cal, rms=0.031459Jy sigma=0.703129 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.666 x 4.364 at 15.36 degrees (North through East) ! Clean map min=-0.0020585 max=0.090646 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.04 KP 1.08 ! LA 1.03 MK 0.99 NL 0.97 OV 0.97 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.01 KP 1.12 ! LA 1.03 MK 1.06 NL 0.99 OV 1.02 ! PT 1.03 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.01 KP 1.03 ! LA 1.02 MK 1.14 NL 1.03 OV 1.02 ! PT 1.03 SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 1.02 KP 1.10 ! LA 0.99 MK 1.06 NL 1.02 OV 0.97 ! PT 0.99 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.97 KP 1.01 ! LA 0.99 MK 1.05 NL 0.97 OV 0.97 ! PT 0.98 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 1.01 KP 0.99 ! LA 0.96 MK 0.90 NL 0.94 OV 1.00 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.07 HN 1.02 KP 0.99 ! LA 1.02 MK 0.89 NL 0.90 OV 0.98 ! PT 0.98 SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 HN 1.05 KP 0.95 ! LA 1.01 MK 0.86 NL 0.93 OV 0.98 ! PT 1.03 SC 1.03 ! ! ! Fit before self-cal, rms=0.031459Jy sigma=0.703129 ! Fit after self-cal, rms=0.030914Jy sigma=0.688465 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.659 mas, bmaj=4.365 mas, bpa=15.36 degrees ! Estimated noise=0.381258 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 = 0.000539937 Jy ! Component: 100 - total flux cleaned = 0.00065896 Jy ! Component: 150 - total flux cleaned = 0.000702233 Jy ! Component: 200 - total flux cleaned = 0.000701405 Jy ! Total flux subtracted in 200 components = 0.000701405 Jy ! Clean residual min=-0.001444 max=0.001972 Jy/beam ! Clean residual mean=-0.000002 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.102107 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 32 components and 0.102107 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=0.030893Jy sigma=0.687937 ! Fit after self-cal, rms=0.030898Jy sigma=0.687819 ! 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=0.030898Jy sigma=0.687819 ! Fit after self-cal, rms=0.030869Jy sigma=0.687780 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.657 mas, bmaj=4.362 mas, bpa=15.33 degrees ! Estimated noise=0.381298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00036238 Jy ! Component: 100 - total flux cleaned = 0.00040073 Jy ! Component: 150 - total flux cleaned = 0.000400316 Jy ! Component: 200 - total flux cleaned = 0.000400338 Jy ! Total flux subtracted in 200 components = 0.000400338 Jy ! Clean residual min=-0.001428 max=0.001932 Jy/beam ! Clean residual mean=-0.000002 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.102507 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.102507 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=0.030859Jy sigma=0.687509 ! Fit after self-cal, rms=0.030856Jy sigma=0.687486 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 (4.5, 69.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176704 Jy ! Component: 100 - total flux cleaned = 0.00228032 Jy ! Component: 150 - total flux cleaned = 0.00240192 Jy ! Component: 200 - total flux cleaned = 0.0025281 Jy ! Total flux subtracted in 200 components = 0.0025281 Jy ! Clean residual min=-0.001386 max=0.001648 Jy/beam ! Clean residual mean=-0.000003 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.105035 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 63 components and 0.105035 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=0.030737Jy sigma=0.684602 ! Fit after self-cal, rms=0.030730Jy sigma=0.684501 ! Inverting map ! Added new window around map position (55.8, 38.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145336 Jy ! Component: 100 - total flux cleaned = 0.00229535 Jy ! Component: 150 - total flux cleaned = 0.00285383 Jy ! Component: 200 - total flux cleaned = 0.003169 Jy ! Total flux subtracted in 200 components = 0.003169 Jy ! Clean residual min=-0.001323 max=0.001508 Jy/beam ! Clean residual mean=-0.000003 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.108204 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 89 components and 0.108204 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=0.030645Jy sigma=0.682421 ! Fit after self-cal, rms=0.030639Jy sigma=0.682282 ! 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=0.030639Jy sigma=0.682282 ! Fit after self-cal, rms=0.030604Jy sigma=0.681992 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.655 mas, bmaj=4.363 mas, bpa=15.32 degrees ! Estimated noise=0.381243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000436732 Jy ! Component: 100 - total flux cleaned = 0.000703026 Jy ! Component: 150 - total flux cleaned = 0.000917113 Jy ! Component: 200 - total flux cleaned = 0.00107782 Jy ! Total flux subtracted in 200 components = 0.00107782 Jy ! Clean residual min=-0.001303 max=0.001478 Jy/beam ! Clean residual mean=-0.000003 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.109282 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 103 components and 0.109282 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=0.030575Jy sigma=0.681305 ! Fit after self-cal, rms=0.030573Jy sigma=0.681275 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 (27, 74.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138847 Jy ! Component: 100 - total flux cleaned = 0.00215538 Jy ! Component: 150 - total flux cleaned = 0.00274278 Jy ! Component: 200 - total flux cleaned = 0.00325395 Jy ! Total flux subtracted in 200 components = 0.00325395 Jy ! Clean residual min=-0.001215 max=0.001234 Jy/beam ! Clean residual mean=-0.000003 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.112536 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 129 components and 0.112536 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=0.030505Jy sigma=0.679406 ! Fit after self-cal, rms=0.030506Jy sigma=0.679344 ! 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=0.030506Jy sigma=0.679344 ! Fit after self-cal, rms=0.030459Jy sigma=0.679155 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.483 mas, bmaj=5.241 mas, bpa=7.893 degrees ! Estimated noise=0.477504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000991737 Jy ! Component: 100 - total flux cleaned = 0.00144202 Jy ! Component: 150 - total flux cleaned = 0.00180609 Jy ! Component: 200 - total flux cleaned = 0.00212926 Jy ! Total flux subtracted in 200 components = 0.00212926 Jy ! Clean residual min=-0.001295 max=0.001474 Jy/beam ! Clean residual mean=-0.000005 rms=0.000384 Jy/beam ! Combined flux in latest and established models = 0.114665 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 154 components and 0.114665 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=0.030443Jy sigma=0.678701 ! Fit after self-cal, rms=0.030442Jy sigma=0.678674 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 = 0.000323129 Jy ! Component: 100 - total flux cleaned = 0.000620689 Jy ! Component: 150 - total flux cleaned = 0.000887615 Jy ! Component: 200 - total flux cleaned = 0.00112872 Jy ! Total flux subtracted in 200 components = 0.00112872 Jy ! Clean residual min=-0.001213 max=0.001425 Jy/beam ! Clean residual mean=-0.000004 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.115794 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 170 components and 0.115794 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=0.030438Jy sigma=0.678589 ! Fit after self-cal, rms=0.030437Jy sigma=0.678573 ! 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=1.654 mas, bmaj=4.364 mas, bpa=15.3 degrees ! Estimated noise=0.380856 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.654 x 4.364 at 15.3 degrees (North through East) ! Clean map min=-0.0011337 max=0.09045 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=1.317 mas, bmaj=3.987 mas, bpa=16.04 degrees ! Estimated noise=0.586583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0687283 Jy ! Component: 100 - total flux cleaned = 0.0863633 Jy ! Component: 150 - total flux cleaned = 0.0943492 Jy ! Component: 200 - total flux cleaned = 0.0984671 Jy ! Total flux subtracted in 200 components = 0.0984671 Jy ! Clean residual min=-0.002528 max=0.002139 Jy/beam ! Clean residual mean=-0.000001 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.0984671 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0984671 Jy ! Inverting map and beam ! Estimated beam: bmin=1.654 mas, bmaj=4.364 mas, bpa=15.3 degrees ! Estimated noise=0.380856 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 = 0.00292468 Jy ! Component: 100 - total flux cleaned = 0.00506242 Jy ! Component: 150 - total flux cleaned = 0.00676205 Jy ! Component: 200 - total flux cleaned = 0.00801872 Jy ! Total flux subtracted in 200 components = 0.00801872 Jy ! Clean residual min=-0.001484 max=0.001317 Jy/beam ! Clean residual mean=-0.000003 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.106486 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 49 components and 0.106486 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=3.483 mas, bmaj=5.241 mas, bpa=7.893 degrees ! Estimated noise=0.477504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182077 Jy ! Component: 100 - total flux cleaned = 0.00292563 Jy ! Component: 150 - total flux cleaned = 0.00380789 Jy ! Component: 200 - total flux cleaned = 0.00460943 Jy ! Total flux subtracted in 200 components = 0.00460943 Jy ! Clean residual min=-0.001539 max=0.001470 Jy/beam ! Clean residual mean=-0.000006 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.111095 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 = 0.000664996 Jy ! Component: 100 - total flux cleaned = 0.00125636 Jy ! Component: 150 - total flux cleaned = 0.0017868 Jy ! Component: 200 - total flux cleaned = 0.00226753 Jy ! Total flux subtracted in 200 components = 0.00226753 Jy ! Clean residual min=-0.001400 max=0.001471 Jy/beam ! Clean residual mean=-0.000005 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.113363 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 110 components and 0.113363 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.654 mas, bmaj=4.364 mas, bpa=15.3 degrees ! Estimated noise=0.380856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000249307 Jy ! Component: 100 - total flux cleaned = 0.000490078 Jy ! Component: 150 - total flux cleaned = 0.000794643 Jy ! Component: 200 - total flux cleaned = 0.00111298 Jy ! Total flux subtracted in 200 components = 0.00111298 Jy ! Clean residual min=-0.001206 max=0.001149 Jy/beam ! Clean residual mean=-0.000003 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.114476 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 131 components and 0.114476 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=0.030469Jy sigma=0.679371 ! Fit after self-cal, rms=0.030468Jy sigma=0.679309 wmodel J1842+3516_C_map.mod ! Writing 131 model components to file: J1842+3516_C_map.mod wobs J1842+3516_C_uvs.fits ! Writing UV FITS file: J1842+3516_C_uvs.fits wwins J1842+3516_C_map.win ! wwins: Wrote 4 windows to J1842+3516_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 = -0.0001564 Jy ! Component: 100 - total flux cleaned = -0.000293382 Jy ! Component: 150 - total flux cleaned = -0.000494978 Jy ! Component: 200 - total flux cleaned = -0.000705397 Jy ! Component: 250 - total flux cleaned = -0.000924103 Jy ! Component: 300 - total flux cleaned = -0.00103749 Jy ! Component: 350 - total flux cleaned = -0.00119453 Jy ! Component: 400 - total flux cleaned = -0.0013469 Jy ! Component: 450 - total flux cleaned = -0.00149444 Jy ! Component: 500 - total flux cleaned = -0.0015666 Jy ! Component: 550 - total flux cleaned = -0.0016795 Jy ! Component: 600 - total flux cleaned = -0.00176176 Jy ! Component: 650 - total flux cleaned = -0.0018289 Jy ! Component: 700 - total flux cleaned = -0.00190796 Jy ! Component: 750 - total flux cleaned = -0.00197276 Jy ! Component: 800 - total flux cleaned = -0.00206101 Jy ! Component: 850 - total flux cleaned = -0.00212271 Jy ! Component: 900 - total flux cleaned = -0.00217135 Jy ! Component: 950 - total flux cleaned = -0.00224313 Jy ! Component: 1000 - total flux cleaned = -0.00232523 Jy ! Component: 1050 - total flux cleaned = -0.00238306 Jy ! Component: 1100 - total flux cleaned = -0.00242827 Jy ! Component: 1150 - total flux cleaned = -0.00250655 Jy ! Component: 1200 - total flux cleaned = -0.00249552 Jy ! Component: 1250 - total flux cleaned = -0.00256131 Jy ! Component: 1300 - total flux cleaned = -0.00261521 Jy ! Component: 1350 - total flux cleaned = -0.00267908 Jy ! Component: 1400 - total flux cleaned = -0.00276304 Jy ! Component: 1450 - total flux cleaned = -0.00282507 Jy ! Component: 1500 - total flux cleaned = -0.00286577 Jy ! Component: 1550 - total flux cleaned = -0.00292646 Jy ! Component: 1600 - total flux cleaned = -0.00299618 Jy ! Component: 1650 - total flux cleaned = -0.00300596 Jy ! Component: 1700 - total flux cleaned = -0.00305474 Jy ! Component: 1750 - total flux cleaned = -0.00308377 Jy ! Component: 1800 - total flux cleaned = -0.0031508 Jy ! Component: 1850 - total flux cleaned = -0.00317927 Jy ! Component: 1900 - total flux cleaned = -0.00320749 Jy ! Component: 1950 - total flux cleaned = -0.00327257 Jy ! Component: 2000 - total flux cleaned = -0.00331838 Jy ! Component: 2050 - total flux cleaned = -0.00334583 Jy ! Component: 2100 - total flux cleaned = -0.00340904 Jy ! Component: 2150 - total flux cleaned = -0.00349833 Jy ! Component: 2200 - total flux cleaned = -0.00353377 Jy ! Component: 2250 - total flux cleaned = -0.00359528 Jy ! Component: 2300 - total flux cleaned = -0.00364753 Jy ! Component: 2350 - total flux cleaned = -0.0037251 Jy ! Component: 2400 - total flux cleaned = -0.00377641 Jy ! Component: 2450 - total flux cleaned = -0.00386964 Jy ! Component: 2500 - total flux cleaned = -0.00395367 Jy ! Component: 2550 - total flux cleaned = -0.00401194 Jy ! Component: 2600 - total flux cleaned = -0.00406976 Jy ! Component: 2650 - total flux cleaned = -0.00413531 Jy ! Component: 2700 - total flux cleaned = -0.00421675 Jy ! Component: 2750 - total flux cleaned = -0.00429746 Jy ! Component: 2800 - total flux cleaned = -0.00438545 Jy ! Component: 2850 - total flux cleaned = -0.00440134 Jy ! Component: 2900 - total flux cleaned = -0.00451169 Jy ! Component: 2950 - total flux cleaned = -0.00458987 Jy ! Component: 3000 - total flux cleaned = -0.00463649 Jy ! Component: 3050 - total flux cleaned = -0.00472125 Jy ! Component: 3100 - total flux cleaned = -0.00478228 Jy ! Component: 3150 - total flux cleaned = -0.00482024 Jy ! Component: 3200 - total flux cleaned = -0.004888 Jy ! Component: 3250 - total flux cleaned = -0.0049478 Jy ! Component: 3300 - total flux cleaned = -0.00503676 Jy ! Component: 3350 - total flux cleaned = -0.00508085 Jy ! Component: 3400 - total flux cleaned = -0.00515395 Jy ! Component: 3450 - total flux cleaned = -0.00520471 Jy ! Component: 3500 - total flux cleaned = -0.00526234 Jy ! Component: 3550 - total flux cleaned = -0.00530526 Jy ! Component: 3600 - total flux cleaned = -0.00536919 Jy ! Component: 3650 - total flux cleaned = -0.00541155 Jy ! Component: 3700 - total flux cleaned = -0.00547468 Jy ! Component: 3750 - total flux cleaned = -0.00551646 Jy ! Component: 3800 - total flux cleaned = -0.0055718 Jy ! Component: 3850 - total flux cleaned = -0.00561312 Jy ! Component: 3900 - total flux cleaned = -0.0056473 Jy ! Component: 3950 - total flux cleaned = -0.00569476 Jy ! Component: 4000 - total flux cleaned = -0.0057285 Jy ! Component: 4050 - total flux cleaned = -0.00578888 Jy ! Total flux subtracted in 4096 components = -0.00582888 Jy ! Clean residual min=-0.000377 max=0.000493 Jy/beam ! Clean residual mean=-0.000001 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.108647 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 435 components and 0.108647 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1842+3516_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.654 x 4.364 at 15.3 degrees (North through East) ! Clean map min=-0.00075391 max=0.09014 Jy/beam ! Writing clean map to FITS file: .//J1842+3516_C_map.fits wmodel .//J1842+3516_C_map.mod ! Writing 435 model components to file: .//J1842+3516_C_map.mod wobs .//J1842+3516_C_uvs.fits ! Writing UV FITS file: .//J1842+3516_C_uvs.fits wwins .//J1842+3516_C_map.win ! wwins: Wrote 5 windows to .//J1842+3516_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0901396 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000118505 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.394406 0.394406 0.788812 1.57762 3.15525 6.3105 12.621 25.242 50.484 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.09 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 760.637 quit ! Quitting program ! Log file .//J1842+3516_C_dfm.log closed on Mon Jan 20 18:48:02 2020