! Started logfile: .//J0257+3357_C_dfm.log on Mon Jan 20 17:19:36 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 .//J0257+3357_C_uva.fits ! Reading UV FITS file: .//J0257+3357_C_uva.fits ! AN table 1: 47 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.982861 visibilities/baseline/integration-bin. ! Found source: J0257+3357 ! ! 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 85 lines of history. ! ! Reading 13304 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 J0257+3357_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000250Jy sigma=24.077278 ! Fit after self-cal, rms=0.982242Jy sigma=23.636703 ! 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=1.186 mas, bmaj=3.877 mas, bpa=4.186 degrees ! Estimated noise=0.524962 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 = 0.0144297 Jy ! Component: 100 - total flux cleaned = 0.0176737 Jy ! Total flux subtracted in 100 components = 0.0176737 Jy ! Clean residual min=-0.001539 max=0.001568 Jy/beam ! Clean residual mean=0.000001 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.0176737 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0176737 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=0.030689Jy sigma=0.719050 ! Fit after self-cal, rms=0.028685Jy sigma=0.671924 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338603 Jy ! Component: 100 - total flux cleaned = 0.00485866 Jy ! Total flux subtracted in 100 components = 0.00485866 Jy ! Clean residual min=-0.001421 max=0.001443 Jy/beam ! Clean residual mean=0.000001 rms=0.000350 Jy/beam ! Combined flux in latest and established models = 0.0225324 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 6 components and 0.0225324 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=0.028350Jy sigma=0.663974 ! Fit after self-cal, rms=0.028344Jy sigma=0.663725 ! 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=1.465 mas, bmaj=4.215 mas, bpa=3.496 degrees ! Estimated noise=0.258036 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 = 0.000290253 Jy ! Component: 100 - total flux cleaned = 0.000344338 Jy ! Component: 150 - total flux cleaned = 0.000344982 Jy ! Component: 200 - total flux cleaned = 0.000319245 Jy ! Total flux subtracted in 200 components = 0.000319245 Jy ! Clean residual min=-0.000875 max=0.000792 Jy/beam ! Clean residual mean=0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0228516 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0228516 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=0.028337Jy sigma=0.663590 ! Fit after self-cal, rms=0.028332Jy sigma=0.663472 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.465 x 4.215 at 3.496 degrees (North through East) ! Clean map min=-0.00087191 max=0.021514 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.98 KP 1.09 LA 0.96 ! MK 0.95 NL 0.99 OV 0.83 PT 0.99 ! SC 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 0.90 KP 1.03 LA 1.04 ! MK 0.93 NL 1.07 OV 0.90 PT 0.96 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.96 KP 1.07 LA 1.07 ! MK 0.96 NL 0.90 OV 0.92 PT 1.03 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 HN 1.00 KP 1.01 LA 1.08 ! MK 1.10 NL 1.00 OV 0.92 PT 1.02 ! SC 1.08 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 HN 0.95 KP 1.04 LA 1.06 ! MK 1.09 NL 0.96 OV 0.87 PT 1.03 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.97 KP 1.00 LA 1.07 ! MK 1.02 NL 1.04 OV 0.96 PT 1.05 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.99 KP 0.98 LA 1.10 ! MK 0.98 NL 0.97 OV 0.95 PT 1.06 ! SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 1.04 KP 1.08 LA 1.14 ! MK 0.95 NL 1.06 OV 1.06 PT 0.96 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.028332Jy sigma=0.663472 ! Fit after self-cal, rms=0.028192Jy sigma=0.661508 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.455 mas, bmaj=4.212 mas, bpa=3.519 degrees ! Estimated noise=0.257558 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 = 0.000106732 Jy ! Component: 100 - total flux cleaned = 8.51012e-05 Jy ! Component: 150 - total flux cleaned = 7.22209e-05 Jy ! Component: 200 - total flux cleaned = 6.09789e-05 Jy ! Total flux subtracted in 200 components = 6.09789e-05 Jy ! Clean residual min=-0.000799 max=0.000687 Jy/beam ! Clean residual mean=0.000000 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0229126 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 21 components and 0.0229126 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=0.028188Jy sigma=0.661425 ! Fit after self-cal, rms=0.028211Jy sigma=0.661176 ! 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=0.028211Jy sigma=0.661176 ! Fit after self-cal, rms=0.028346Jy sigma=0.661125 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.449 mas, bmaj=4.213 mas, bpa=3.463 degrees ! Estimated noise=0.258014 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115491 Jy ! Component: 100 - total flux cleaned = 0.000109708 Jy ! Component: 150 - total flux cleaned = 0.000104221 Jy ! Component: 200 - total flux cleaned = 9.44488e-05 Jy ! Total flux subtracted in 200 components = 9.44488e-05 Jy ! Clean residual min=-0.000807 max=0.000679 Jy/beam ! Clean residual mean=0.000000 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0230071 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 24 components and 0.0230071 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=0.028343Jy sigma=0.661064 ! Fit after self-cal, rms=0.028350Jy sigma=0.661044 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 = 9.41623e-06 Jy ! Component: 100 - total flux cleaned = -4.86506e-06 Jy ! Component: 150 - total flux cleaned = -1.74985e-05 Jy ! Component: 200 - total flux cleaned = -2.11806e-05 Jy ! Total flux subtracted in 200 components = -2.11806e-05 Jy ! Clean residual min=-0.000813 max=0.000671 Jy/beam ! Clean residual mean=0.000000 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0229859 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 26 components and 0.0229859 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=0.028349Jy sigma=0.661012 ! Fit after self-cal, rms=0.028339Jy sigma=0.660720 ! 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=0.028339Jy sigma=0.660720 ! Fit after self-cal, rms=0.028351Jy sigma=0.660700 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.443 mas, bmaj=4.212 mas, bpa=3.421 degrees ! Estimated noise=0.257863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000101023 Jy ! Component: 100 - total flux cleaned = 0.00010131 Jy ! Component: 150 - total flux cleaned = 9.3197e-05 Jy ! Component: 200 - total flux cleaned = 8.95085e-05 Jy ! Total flux subtracted in 200 components = 8.95085e-05 Jy ! Clean residual min=-0.000802 max=0.000653 Jy/beam ! Clean residual mean=0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0230754 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.0230754 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=0.028349Jy sigma=0.660669 ! Fit after self-cal, rms=0.028351Jy sigma=0.660662 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 = 1.49473e-05 Jy ! Component: 100 - total flux cleaned = 1.16318e-06 Jy ! Component: 150 - total flux cleaned = -1.89188e-06 Jy ! Component: 200 - total flux cleaned = -4.80743e-06 Jy ! Total flux subtracted in 200 components = -4.80743e-06 Jy ! Clean residual min=-0.000802 max=0.000651 Jy/beam ! Clean residual mean=0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0230706 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 0.0230706 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=0.028350Jy sigma=0.660647 ! Fit after self-cal, rms=0.028350Jy sigma=0.660646 ! 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=0.028350Jy sigma=0.660646 ! Fit after self-cal, rms=0.028368Jy sigma=0.660636 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.215 mas, bmaj=5.247 mas, bpa=-2.199 degrees ! Estimated noise=0.349274 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000194007 Jy ! Component: 100 - total flux cleaned = 0.000193832 Jy ! Component: 150 - total flux cleaned = 0.000186787 Jy ! Component: 200 - total flux cleaned = 0.000186692 Jy ! Total flux subtracted in 200 components = 0.000186692 Jy ! Clean residual min=-0.000878 max=0.000851 Jy/beam ! Clean residual mean=0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0232573 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 0.0232573 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=0.028370Jy sigma=0.660697 ! Fit after self-cal, rms=0.028371Jy sigma=0.660668 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 = 3.72181e-05 Jy ! Component: 100 - total flux cleaned = 2.17746e-05 Jy ! Component: 150 - total flux cleaned = 1.70997e-05 Jy ! Component: 200 - total flux cleaned = 1.32149e-05 Jy ! Total flux subtracted in 200 components = 1.32149e-05 Jy ! Clean residual min=-0.000860 max=0.000842 Jy/beam ! Clean residual mean=0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0232705 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 40 components and 0.0232705 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=0.028373Jy sigma=0.660729 ! Fit after self-cal, rms=0.028372Jy sigma=0.660718 ! 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=1.438 mas, bmaj=4.212 mas, bpa=3.387 degrees ! Estimated noise=0.257859 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.438 x 4.212 at 3.387 degrees (North through East) ! Clean map min=-0.00081467 max=0.021597 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=1.169 mas, bmaj=3.885 mas, bpa=4.177 degrees ! Estimated noise=0.518621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164618 Jy ! Component: 100 - total flux cleaned = 0.0207178 Jy ! Component: 150 - total flux cleaned = 0.0227484 Jy ! Component: 200 - total flux cleaned = 0.0237905 Jy ! Total flux subtracted in 200 components = 0.0237905 Jy ! Clean residual min=-0.001238 max=0.001180 Jy/beam ! Clean residual mean=0.000000 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.0237905 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0237905 Jy ! Inverting map and beam ! Estimated beam: bmin=1.438 mas, bmaj=4.212 mas, bpa=3.387 degrees ! Estimated noise=0.257859 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 = -0.000277638 Jy ! Component: 100 - total flux cleaned = -0.000420977 Jy ! Component: 150 - total flux cleaned = -0.00051621 Jy ! Component: 200 - total flux cleaned = -0.000542817 Jy ! Total flux subtracted in 200 components = -0.000542817 Jy ! Clean residual min=-0.000806 max=0.000693 Jy/beam ! Clean residual mean=0.000000 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0232477 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.0232477 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=3.215 mas, bmaj=5.247 mas, bpa=-2.199 degrees ! Estimated noise=0.349274 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00010473 Jy ! Component: 100 - total flux cleaned = 8.33287e-05 Jy ! Component: 150 - total flux cleaned = 6.08517e-05 Jy ! Component: 200 - total flux cleaned = 5.61257e-05 Jy ! Total flux subtracted in 200 components = 5.61257e-05 Jy ! Clean residual min=-0.000885 max=0.000856 Jy/beam ! Clean residual mean=0.000000 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0233038 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 = 1.92571e-07 Jy ! Component: 100 - total flux cleaned = 2.77088e-08 Jy ! Component: 150 - total flux cleaned = -3.60872e-06 Jy ! Component: 200 - total flux cleaned = -3.38693e-06 Jy ! Total flux subtracted in 200 components = -3.38693e-06 Jy ! Clean residual min=-0.000874 max=0.000846 Jy/beam ! Clean residual mean=0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0233004 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.0233004 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.438 mas, bmaj=4.212 mas, bpa=3.387 degrees ! Estimated noise=0.257859 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000179901 Jy ! Component: 100 - total flux cleaned = -0.000141762 Jy ! Component: 150 - total flux cleaned = -0.00011012 Jy ! Component: 200 - total flux cleaned = -9.39237e-05 Jy ! Total flux subtracted in 200 components = -9.39237e-05 Jy ! Clean residual min=-0.000812 max=0.000671 Jy/beam ! Clean residual mean=0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0232065 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0232065 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=0.028372Jy sigma=0.660692 ! Fit after self-cal, rms=0.028369Jy sigma=0.660664 wmodel J0257+3357_C_map.mod ! Writing 32 model components to file: J0257+3357_C_map.mod wobs J0257+3357_C_uvs.fits ! Writing UV FITS file: J0257+3357_C_uvs.fits wwins J0257+3357_C_map.win ! wwins: Wrote 1 windows to J0257+3357_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 = 2.33548e-05 Jy ! Component: 100 - total flux cleaned = 0.000103937 Jy ! Component: 150 - total flux cleaned = 0.000235557 Jy ! Component: 200 - total flux cleaned = 0.000330015 Jy ! Component: 250 - total flux cleaned = 0.000400808 Jy ! Component: 300 - total flux cleaned = 0.00042034 Jy ! Component: 350 - total flux cleaned = 0.00049665 Jy ! Component: 400 - total flux cleaned = 0.000543017 Jy ! Component: 450 - total flux cleaned = 0.000561107 Jy ! Component: 500 - total flux cleaned = 0.000578912 Jy ! Component: 550 - total flux cleaned = 0.000622375 Jy ! Component: 600 - total flux cleaned = 0.000656072 Jy ! Component: 650 - total flux cleaned = 0.000680743 Jy ! Component: 700 - total flux cleaned = 0.000704976 Jy ! Component: 750 - total flux cleaned = 0.000728592 Jy ! Component: 800 - total flux cleaned = 0.000744093 Jy ! Component: 850 - total flux cleaned = 0.000759378 Jy ! Component: 900 - total flux cleaned = 0.000766866 Jy ! Component: 950 - total flux cleaned = 0.000803665 Jy ! Component: 1000 - total flux cleaned = 0.000803542 Jy ! Component: 1050 - total flux cleaned = 0.000810666 Jy ! Component: 1100 - total flux cleaned = 0.000803572 Jy ! Component: 1150 - total flux cleaned = 0.000817476 Jy ! Component: 1200 - total flux cleaned = 0.000810663 Jy ! Component: 1250 - total flux cleaned = 0.00079722 Jy ! Component: 1300 - total flux cleaned = 0.000783922 Jy ! Component: 1350 - total flux cleaned = 0.000770898 Jy ! Component: 1400 - total flux cleaned = 0.000783867 Jy ! Component: 1450 - total flux cleaned = 0.000771019 Jy ! Component: 1500 - total flux cleaned = 0.000758336 Jy ! Component: 1550 - total flux cleaned = 0.000752011 Jy ! Component: 1600 - total flux cleaned = 0.000752009 Jy ! Component: 1650 - total flux cleaned = 0.000739696 Jy ! Component: 1700 - total flux cleaned = 0.000727582 Jy ! Component: 1750 - total flux cleaned = 0.000709654 Jy ! Component: 1800 - total flux cleaned = 0.000697732 Jy ! Component: 1850 - total flux cleaned = 0.000697731 Jy ! Component: 1900 - total flux cleaned = 0.000668684 Jy ! Component: 1950 - total flux cleaned = 0.000668676 Jy ! Component: 2000 - total flux cleaned = 0.000645918 Jy ! Component: 2050 - total flux cleaned = 0.000645946 Jy ! Component: 2100 - total flux cleaned = 0.000640309 Jy ! Component: 2150 - total flux cleaned = 0.000634732 Jy ! Component: 2200 - total flux cleaned = 0.000629144 Jy ! Component: 2250 - total flux cleaned = 0.000623688 Jy ! Component: 2300 - total flux cleaned = 0.000607521 Jy ! Component: 2350 - total flux cleaned = 0.000602137 Jy ! Component: 2400 - total flux cleaned = 0.000612696 Jy ! Component: 2450 - total flux cleaned = 0.000596927 Jy ! Component: 2500 - total flux cleaned = 0.000570924 Jy ! Component: 2550 - total flux cleaned = 0.000581342 Jy ! Component: 2600 - total flux cleaned = 0.000555645 Jy ! Component: 2650 - total flux cleaned = 0.000555656 Jy ! Component: 2700 - total flux cleaned = 0.000525412 Jy ! Component: 2750 - total flux cleaned = 0.000505387 Jy ! Component: 2800 - total flux cleaned = 0.000490531 Jy ! Component: 2850 - total flux cleaned = 0.000470808 Jy ! Component: 2900 - total flux cleaned = 0.000470778 Jy ! Component: 2950 - total flux cleaned = 0.000431908 Jy ! Component: 3000 - total flux cleaned = 0.000412555 Jy ! Component: 3050 - total flux cleaned = 0.000398205 Jy ! Component: 3100 - total flux cleaned = 0.000369686 Jy ! Component: 3150 - total flux cleaned = 0.000383883 Jy ! Component: 3200 - total flux cleaned = 0.00035569 Jy ! Component: 3250 - total flux cleaned = 0.000341684 Jy ! Component: 3300 - total flux cleaned = 0.000327789 Jy ! Component: 3350 - total flux cleaned = 0.000332393 Jy ! Component: 3400 - total flux cleaned = 0.000337023 Jy ! Component: 3450 - total flux cleaned = 0.000323307 Jy ! Component: 3500 - total flux cleaned = 0.000327837 Jy ! Component: 3550 - total flux cleaned = 0.000318814 Jy ! Component: 3600 - total flux cleaned = 0.000327797 Jy ! Component: 3650 - total flux cleaned = 0.000323334 Jy ! Component: 3700 - total flux cleaned = 0.000327778 Jy ! Component: 3750 - total flux cleaned = 0.000318934 Jy ! Component: 3800 - total flux cleaned = 0.000314531 Jy ! Component: 3850 - total flux cleaned = 0.000318953 Jy ! Component: 3900 - total flux cleaned = 0.00032332 Jy ! Component: 3950 - total flux cleaned = 0.000314637 Jy ! Component: 4000 - total flux cleaned = 0.000327581 Jy ! Component: 4050 - total flux cleaned = 0.000310364 Jy ! Total flux subtracted in 4096 components = 0.000306078 Jy ! Clean residual min=-0.000401 max=0.000256 Jy/beam ! Clean residual mean=0.000000 rms=0.000072 Jy/beam ! Combined flux in latest and established models = 0.0235126 Jy keep ! Adding 273 model components to the UV plane model. ! The established model now contains 305 components and 0.0235126 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0257+3357_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.438 x 4.212 at 3.387 degrees (North through East) ! Clean map min=-0.00049889 max=0.021599 Jy/beam ! Writing clean map to FITS file: .//J0257+3357_C_map.fits wmodel .//J0257+3357_C_map.mod ! Writing 305 model components to file: .//J0257+3357_C_map.mod wobs .//J0257+3357_C_uvs.fits ! Writing UV FITS file: .//J0257+3357_C_uvs.fits wwins .//J0257+3357_C_map.win ! wwins: Wrote 2 windows to .//J0257+3357_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0215985 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.93088e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.962687 0.962687 1.92537 3.85075 7.7015 15.403 30.806 61.612 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.021 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 311.627 quit ! Quitting program ! Log file .//J0257+3357_C_dfm.log closed on Mon Jan 20 17:19:40 2020