! Started logfile: /tmp/maps//J1146-2447_X_20180602_dfm.log on Wed Jul 4 23:15:03 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /tmp/maps//J1146-2447_X_20180602_uva.fits ! Reading UV FITS file: /tmp/maps//J1146-2447_X_20180602_uva.fits ! AN table 1: 17 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.985294 visibilities/baseline/integration-bin. ! Found source: J1146-2447 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 4824 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1146-2447_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 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=1.106174Jy sigma=22.377394 ! Fit after self-cal, rms=0.627622Jy sigma=12.378222 ! 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=0.6798 mas, bmaj=1.892 mas, bpa=-1.165 degrees ! Estimated noise=0.751663 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 = 0.275965 Jy ! Component: 100 - total flux cleaned = 0.389522 Jy ! Total flux subtracted in 100 components = 0.389522 Jy ! Clean residual min=-0.040369 max=0.084645 Jy/beam ! Clean residual mean=-0.000061 rms=0.011490 Jy/beam ! Combined flux in latest and established models = 0.389522 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.389522 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=0.165714Jy sigma=3.671291 ! Fit after self-cal, rms=0.164969Jy sigma=3.659644 ! Inverting map ! Added new window around map position (0.6, -4.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0851962 Jy ! Component: 100 - total flux cleaned = 0.137678 Jy ! Total flux subtracted in 100 components = 0.137678 Jy ! Clean residual min=-0.023274 max=0.032889 Jy/beam ! Clean residual mean=-0.000039 rms=0.006227 Jy/beam ! Combined flux in latest and established models = 0.5272 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 0.5272 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=0.102935Jy sigma=2.218187 ! Fit after self-cal, rms=0.100170Jy sigma=2.169909 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8384 mas, bmaj=2.254 mas, bpa=-0.7588 degrees ! Estimated noise=0.530209 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 = 0.0569648 Jy ! Component: 100 - total flux cleaned = 0.0898795 Jy ! Component: 150 - total flux cleaned = 0.111521 Jy ! Component: 200 - total flux cleaned = 0.126292 Jy ! Total flux subtracted in 200 components = 0.126292 Jy ! Clean residual min=-0.016579 max=0.019801 Jy/beam ! Clean residual mean=-0.000034 rms=0.004800 Jy/beam ! Combined flux in latest and established models = 0.653492 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 35 components and 0.653492 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=0.067951Jy sigma=1.178400 ! Fit after self-cal, rms=0.067807Jy sigma=1.173969 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8384 x 2.254 at -0.7588 degrees (North through East) ! Clean map min=-0.015567 max=0.35604 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 1.07 KP 0.94 ! LA 0.96 MK 1.01 NL 1.08 OV 0.92 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 1.08 KP 0.94 ! LA 0.97 MK 1.01 NL 1.10 OV 0.91 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 1.09 KP 0.93 ! LA 0.98 MK 1.00 NL 1.11 OV 0.93 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 1.07 KP 0.94 ! LA 0.97 MK 0.99 NL 1.10 OV 0.91 ! SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 1.11 KP 0.95 ! LA 0.99 MK 0.96 NL 1.12 OV 0.94 ! SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.12 KP 0.94 ! LA 0.99 MK 0.96 NL 1.13 OV 0.93 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 HN 1.15 KP 0.96 ! LA 0.98 MK 0.94 NL 1.12 OV 0.93 ! SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 1.14 KP 0.96 ! LA 0.98 MK 0.96 NL 1.13 OV 0.94 ! SC 1.06 ! ! ! Fit before self-cal, rms=0.067807Jy sigma=1.173969 ! Fit after self-cal, rms=0.052972Jy sigma=0.821585 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.845 mas, bmaj=2.261 mas, bpa=-0.9073 degrees ! Estimated noise=0.52389 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 = 0.00532703 Jy ! Component: 100 - total flux cleaned = 0.00553618 Jy ! Component: 150 - total flux cleaned = 0.00573295 Jy ! Component: 200 - total flux cleaned = 0.00556748 Jy ! Total flux subtracted in 200 components = 0.00556748 Jy ! Clean residual min=-0.007505 max=0.008248 Jy/beam ! Clean residual mean=-0.000003 rms=0.001783 Jy/beam ! Combined flux in latest and established models = 0.659059 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.659059 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=0.051211Jy sigma=0.777103 ! Fit after self-cal, rms=0.051015Jy sigma=0.773520 ! 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=0.051015Jy sigma=0.773520 ! Fit after self-cal, rms=0.050741Jy sigma=0.769945 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8458 mas, bmaj=2.262 mas, bpa=-0.9601 degrees ! Estimated noise=0.523475 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277879 Jy ! Component: 100 - total flux cleaned = 0.00338914 Jy ! Component: 150 - total flux cleaned = 0.00352429 Jy ! Component: 200 - total flux cleaned = 0.00340247 Jy ! Total flux subtracted in 200 components = 0.00340247 Jy ! Clean residual min=-0.006571 max=0.006770 Jy/beam ! Clean residual mean=-0.000002 rms=0.001540 Jy/beam ! Combined flux in latest and established models = 0.662462 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 0.662462 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=0.049884Jy sigma=0.747715 ! Fit after self-cal, rms=0.049745Jy sigma=0.745679 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 (1.6, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00564991 Jy ! Component: 100 - total flux cleaned = 0.00657604 Jy ! Component: 150 - total flux cleaned = 0.00657966 Jy ! Component: 200 - total flux cleaned = 0.0065828 Jy ! Total flux subtracted in 200 components = 0.0065828 Jy ! Clean residual min=-0.005988 max=0.006611 Jy/beam ! Clean residual mean=0.000001 rms=0.001343 Jy/beam ! Combined flux in latest and established models = 0.669045 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 65 components and 0.669045 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=0.048882Jy sigma=0.724792 ! Fit after self-cal, rms=0.048825Jy sigma=0.723983 ! Inverting map ! Added new window around map position (-2.6, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0047846 Jy ! Component: 100 - total flux cleaned = 0.00590709 Jy ! Component: 150 - total flux cleaned = 0.00661318 Jy ! Component: 200 - total flux cleaned = 0.00743189 Jy ! Total flux subtracted in 200 components = 0.00743189 Jy ! Clean residual min=-0.005218 max=0.004399 Jy/beam ! Clean residual mean=0.000001 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 0.676476 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 80 components and 0.676477 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=0.047842Jy sigma=0.700040 ! Fit after self-cal, rms=0.047810Jy sigma=0.699095 ! 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=0.047810Jy sigma=0.699095 ! Fit after self-cal, rms=0.047619Jy sigma=0.696934 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8442 mas, bmaj=2.258 mas, bpa=-1.101 degrees ! Estimated noise=0.522119 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110338 Jy ! Component: 100 - total flux cleaned = 0.00173002 Jy ! Component: 150 - total flux cleaned = 0.00229273 Jy ! Component: 200 - total flux cleaned = 0.00243925 Jy ! Total flux subtracted in 200 components = 0.00243925 Jy ! Clean residual min=-0.004863 max=0.004124 Jy/beam ! Clean residual mean=0.000001 rms=0.001016 Jy/beam ! Combined flux in latest and established models = 0.678916 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 92 components and 0.678916 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=0.047293Jy sigma=0.689654 ! Fit after self-cal, rms=0.047267Jy sigma=0.689395 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 = 0.000556063 Jy ! Component: 100 - total flux cleaned = 0.000691337 Jy ! Component: 150 - total flux cleaned = 0.000877535 Jy ! Component: 200 - total flux cleaned = 0.00105015 Jy ! Total flux subtracted in 200 components = 0.00105015 Jy ! Clean residual min=-0.004561 max=0.004174 Jy/beam ! Clean residual mean=0.000001 rms=0.000977 Jy/beam ! Combined flux in latest and established models = 0.679966 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 100 components and 0.679966 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=0.047084Jy sigma=0.685484 ! Fit after self-cal, rms=0.047064Jy sigma=0.685287 ! 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. ! ! Fit before self-cal, rms=0.047064Jy sigma=0.685287 ! Fit after self-cal, rms=0.046992Jy sigma=0.684741 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.095 mas, bmaj=4.992 mas, bpa=3.922 degrees ! Estimated noise=0.658956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000546105 Jy ! Component: 100 - total flux cleaned = -0.000758935 Jy ! Component: 150 - total flux cleaned = -0.000933137 Jy ! Component: 200 - total flux cleaned = -0.00108288 Jy ! Total flux subtracted in 200 components = -0.00108288 Jy ! Clean residual min=-0.004471 max=0.004623 Jy/beam ! Clean residual mean=0.000003 rms=0.001307 Jy/beam ! Combined flux in latest and established models = 0.678883 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 111 components and 0.678883 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=0.046902Jy sigma=0.683670 ! Fit after self-cal, rms=0.046885Jy sigma=0.683435 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 = 0.000309166 Jy ! Component: 100 - total flux cleaned = 0.000179166 Jy ! Component: 150 - total flux cleaned = -2.44451e-05 Jy ! Component: 200 - total flux cleaned = -0.000217734 Jy ! Total flux subtracted in 200 components = -0.000217734 Jy ! Clean residual min=-0.004349 max=0.004505 Jy/beam ! Clean residual mean=0.000003 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 0.678665 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 116 components and 0.678665 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=0.046837Jy sigma=0.682489 ! Fit after self-cal, rms=0.046826Jy sigma=0.682389 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.8436 mas, bmaj=2.256 mas, bpa=-1.175 degrees ! Estimated noise=0.521548 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8436 x 2.256 at -1.175 degrees (North through East) ! Clean map min=-0.0035051 max=0.34725 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=0.6812 mas, bmaj=1.884 mas, bpa=-1.404 degrees ! Estimated noise=0.742539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.274258 Jy ! Component: 100 - total flux cleaned = 0.397619 Jy ! Component: 150 - total flux cleaned = 0.473614 Jy ! Component: 200 - total flux cleaned = 0.524 Jy ! Total flux subtracted in 200 components = 0.524 Jy ! Clean residual min=-0.017347 max=0.028718 Jy/beam ! Clean residual mean=-0.000026 rms=0.005043 Jy/beam ! Combined flux in latest and established models = 0.524 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.524 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8436 mas, bmaj=2.256 mas, bpa=-1.175 degrees ! Estimated noise=0.521548 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 = 0.0528706 Jy ! Component: 100 - total flux cleaned = 0.0812633 Jy ! Component: 150 - total flux cleaned = 0.0989946 Jy ! Component: 200 - total flux cleaned = 0.111293 Jy ! Total flux subtracted in 200 components = 0.111293 Jy ! Clean residual min=-0.007911 max=0.009742 Jy/beam ! Clean residual mean=-0.000012 rms=0.002147 Jy/beam ! Combined flux in latest and established models = 0.635294 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 48 components and 0.635294 Jy ! Inverting map ! Added new window around map position (-1, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100028 Jy ! Component: 100 - total flux cleaned = 0.0172762 Jy ! Component: 150 - total flux cleaned = 0.0230396 Jy ! Component: 200 - total flux cleaned = 0.0275456 Jy ! Total flux subtracted in 200 components = 0.0275456 Jy ! Clean residual min=-0.005837 max=0.005548 Jy/beam ! Clean residual mean=-0.000003 rms=0.001285 Jy/beam ! Combined flux in latest and established models = 0.662839 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 0.662839 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=2.095 mas, bmaj=4.992 mas, bpa=3.922 degrees ! Estimated noise=0.658956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542503 Jy ! Component: 100 - total flux cleaned = 0.00857865 Jy ! Component: 150 - total flux cleaned = 0.00970257 Jy ! Component: 200 - total flux cleaned = 0.0106249 Jy ! Total flux subtracted in 200 components = 0.0106249 Jy ! Clean residual min=-0.004712 max=0.004883 Jy/beam ! Clean residual mean=0.000001 rms=0.001431 Jy/beam ! Combined flux in latest and established models = 0.673464 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 = 0.00047673 Jy ! Component: 100 - total flux cleaned = 0.00101025 Jy ! Component: 150 - total flux cleaned = 0.00134611 Jy ! Component: 200 - total flux cleaned = 0.00139877 Jy ! Total flux subtracted in 200 components = 0.00139877 Jy ! Clean residual min=-0.004492 max=0.004526 Jy/beam ! Clean residual mean=0.000002 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 0.674863 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 90 components and 0.674863 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8436 mas, bmaj=2.256 mas, bpa=-1.175 degrees ! Estimated noise=0.521548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000835257 Jy ! Component: 100 - total flux cleaned = 0.00131849 Jy ! Component: 150 - total flux cleaned = 0.00182526 Jy ! Component: 200 - total flux cleaned = 0.00191742 Jy ! Total flux subtracted in 200 components = 0.00191742 Jy ! Clean residual min=-0.003922 max=0.004198 Jy/beam ! Clean residual mean=0.000001 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.67678 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 103 components and 0.67678 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=0.047082Jy sigma=0.688999 ! Fit after self-cal, rms=0.047016Jy sigma=0.687874 wmodel J1146-2447_X_map.mod ! Writing 103 model components to file: J1146-2447_X_map.mod wobs J1146-2447_X_uvs.fits ! Writing UV FITS file: J1146-2447_X_uvs.fits wwins J1146-2447_X_map.win ! wwins: Wrote 5 windows to J1146-2447_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 = -0.000435571 Jy ! Component: 100 - total flux cleaned = -0.000636321 Jy ! Component: 150 - total flux cleaned = -0.000697746 Jy ! Component: 200 - total flux cleaned = -0.000873461 Jy ! Component: 250 - total flux cleaned = -0.00109141 Jy ! Component: 300 - total flux cleaned = -0.00129678 Jy ! Component: 350 - total flux cleaned = -0.00124855 Jy ! Component: 400 - total flux cleaned = -0.00129718 Jy ! Component: 450 - total flux cleaned = -0.00134116 Jy ! Component: 500 - total flux cleaned = -0.00138213 Jy ! Component: 550 - total flux cleaned = -0.00129817 Jy ! Component: 600 - total flux cleaned = -0.00125852 Jy ! Component: 650 - total flux cleaned = -0.00125828 Jy ! Component: 700 - total flux cleaned = -0.00133036 Jy ! Component: 750 - total flux cleaned = -0.00129445 Jy ! Component: 800 - total flux cleaned = -0.00139682 Jy ! Component: 850 - total flux cleaned = -0.00129717 Jy ! Component: 900 - total flux cleaned = -0.00129744 Jy ! Component: 950 - total flux cleaned = -0.00120309 Jy ! Component: 1000 - total flux cleaned = -0.00114163 Jy ! Component: 1050 - total flux cleaned = -0.00114113 Jy ! Component: 1100 - total flux cleaned = -0.00102536 Jy ! Component: 1150 - total flux cleaned = -0.000968641 Jy ! Component: 1200 - total flux cleaned = -0.000914301 Jy ! Component: 1250 - total flux cleaned = -0.000807816 Jy ! Component: 1300 - total flux cleaned = -0.00072994 Jy ! Component: 1350 - total flux cleaned = -0.000704344 Jy ! Component: 1400 - total flux cleaned = -0.00060536 Jy ! Component: 1450 - total flux cleaned = -0.000557627 Jy ! Component: 1500 - total flux cleaned = -0.000510528 Jy ! Component: 1550 - total flux cleaned = -0.000486942 Jy ! Component: 1600 - total flux cleaned = -0.000373901 Jy ! Component: 1650 - total flux cleaned = -0.000418232 Jy ! Component: 1700 - total flux cleaned = -0.000287259 Jy ! Component: 1750 - total flux cleaned = -0.000287449 Jy ! Component: 1800 - total flux cleaned = -0.000329878 Jy ! Component: 1850 - total flux cleaned = -0.000267581 Jy ! Component: 1900 - total flux cleaned = -0.000267612 Jy ! Component: 1950 - total flux cleaned = -0.00024734 Jy ! Component: 2000 - total flux cleaned = -0.000266576 Jy ! Component: 2050 - total flux cleaned = -0.000227736 Jy ! Component: 2100 - total flux cleaned = -0.000227578 Jy ! Component: 2150 - total flux cleaned = -0.000228148 Jy ! Component: 2200 - total flux cleaned = -0.000228483 Jy ! Component: 2250 - total flux cleaned = -0.000300353 Jy ! Component: 2300 - total flux cleaned = -0.000265151 Jy ! Component: 2350 - total flux cleaned = -0.000282556 Jy ! Component: 2400 - total flux cleaned = -0.00028265 Jy ! Component: 2450 - total flux cleaned = -0.000315967 Jy ! Component: 2500 - total flux cleaned = -0.000282545 Jy ! Component: 2550 - total flux cleaned = -0.000348143 Jy ! Component: 2600 - total flux cleaned = -0.000283011 Jy ! Component: 2650 - total flux cleaned = -0.000283018 Jy ! Component: 2700 - total flux cleaned = -0.000314696 Jy ! Component: 2750 - total flux cleaned = -0.00031458 Jy ! Component: 2800 - total flux cleaned = -0.000267926 Jy ! Component: 2850 - total flux cleaned = -0.000267958 Jy ! Component: 2900 - total flux cleaned = -0.000283032 Jy ! Component: 2950 - total flux cleaned = -0.00028302 Jy ! Component: 3000 - total flux cleaned = -0.000341555 Jy ! Component: 3050 - total flux cleaned = -0.000297633 Jy ! Component: 3100 - total flux cleaned = -0.000297636 Jy ! Component: 3150 - total flux cleaned = -0.000311686 Jy ! Component: 3200 - total flux cleaned = -0.000269478 Jy ! Component: 3250 - total flux cleaned = -0.000297399 Jy ! Component: 3300 - total flux cleaned = -0.000228415 Jy ! Component: 3350 - total flux cleaned = -0.000269396 Jy ! Component: 3400 - total flux cleaned = -0.000215093 Jy ! Component: 3450 - total flux cleaned = -0.000174708 Jy ! Component: 3500 - total flux cleaned = -0.000201261 Jy ! Component: 3550 - total flux cleaned = -0.000161537 Jy ! Component: 3600 - total flux cleaned = -0.000109047 Jy ! Component: 3650 - total flux cleaned = -3.10807e-05 Jy ! Component: 3700 - total flux cleaned = 7.57417e-06 Jy ! Component: 3750 - total flux cleaned = 4.60495e-05 Jy ! Component: 3800 - total flux cleaned = 0.000135142 Jy ! Component: 3850 - total flux cleaned = 0.000210902 Jy ! Component: 3900 - total flux cleaned = 0.000261044 Jy ! Component: 3950 - total flux cleaned = 0.00033586 Jy ! Component: 4000 - total flux cleaned = 0.000385413 Jy ! Component: 4050 - total flux cleaned = 0.000434698 Jy ! Total flux subtracted in 4096 components = 0.000495916 Jy ! Clean residual min=-0.000690 max=0.000762 Jy/beam ! Clean residual mean=-0.000000 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.677276 Jy keep ! Adding 303 model components to the UV plane model. ! The established model now contains 406 components and 0.677276 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1146-2447_X_20180602_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8436 x 2.256 at -1.175 degrees (North through East) ! Clean map min=-0.0021531 max=0.35395 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1146-2447_X_20180602_map.fits wmodel /tmp/maps//J1146-2447_X_20180602_map.mod ! Writing 406 model components to file: /tmp/maps//J1146-2447_X_20180602_map.mod wobs /tmp/maps//J1146-2447_X_20180602_uvs.fits ! Writing UV FITS file: /tmp/maps//J1146-2447_X_20180602_uvs.fits wwins /tmp/maps//J1146-2447_X_20180602_map.win ! wwins: Wrote 6 windows to /tmp/maps//J1146-2447_X_20180602_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.35395 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000210827 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.178692 0.178692 0.357385 0.714769 1.42954 2.85908 5.71815 11.4363 22.8726 45.7452 91.4905 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.353 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1678.86 quit ! Quitting program ! Log file /tmp/maps//J1146-2447_X_20180602_dfm.log closed on Wed Jul 4 23:15:07 2018