! Started logfile: .//J1842+6809_C_dfm.log on Mon Jan 20 18:48:17 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+6809_C_uva.fits ! Reading UV FITS file: .//J1842+6809_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.976471 visibilities/baseline/integration-bin. ! Found source: J1842+6809 ! ! 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 5976 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+6809_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.118317Jy sigma=27.356612 ! Fit after self-cal, rms=0.504963Jy sigma=12.119292 ! 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=1.248 mas, bmaj=5.261 mas, bpa=2.163 degrees ! Estimated noise=0.563135 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 = 0.369881 Jy ! Component: 100 - total flux cleaned = 0.478271 Jy ! Total flux subtracted in 100 components = 0.478271 Jy ! Clean residual min=-0.015783 max=0.047587 Jy/beam ! Clean residual mean=0.000022 rms=0.004879 Jy/beam ! Combined flux in latest and established models = 0.478271 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.478271 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=0.081266Jy sigma=1.989595 ! Fit after self-cal, rms=0.081264Jy sigma=1.989409 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.050869 Jy ! Component: 100 - total flux cleaned = 0.0750104 Jy ! Total flux subtracted in 100 components = 0.0750104 Jy ! Clean residual min=-0.007913 max=0.011184 Jy/beam ! Clean residual mean=0.000009 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.553282 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 7 components and 0.553282 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=0.041679Jy sigma=0.975990 ! Fit after self-cal, rms=0.041634Jy sigma=0.974759 ! 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=1.559 mas, bmaj=5.36 mas, bpa=0.5232 degrees ! Estimated noise=0.381578 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 (3.6, -4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135677 Jy ! Component: 100 - total flux cleaned = 0.0219084 Jy ! Component: 150 - total flux cleaned = 0.0278702 Jy ! Component: 200 - total flux cleaned = 0.0324806 Jy ! Total flux subtracted in 200 components = 0.0324806 Jy ! Clean residual min=-0.004223 max=0.005831 Jy/beam ! Clean residual mean=0.000010 rms=0.001091 Jy/beam ! Combined flux in latest and established models = 0.585762 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 41 components and 0.585762 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=0.036400Jy sigma=0.836931 ! Fit after self-cal, rms=0.036084Jy sigma=0.829761 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.559 x 5.36 at 0.5232 degrees (North through East) ! Clean map min=-0.0037603 max=0.49803 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.97 KP 0.98 ! LA 1.00 MK 0.96 NL 1.00 OV 1.02 ! PT 0.99 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.98 KP 0.98 ! LA 1.00 MK 0.97 NL 1.00 OV 1.04 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.99 KP 1.01 ! LA 1.00 MK 0.99 NL 0.99 OV 1.02 ! PT 1.00 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.95 KP 0.99 ! LA 0.99 MK 0.98 NL 0.99 OV 1.07 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 0.99 KP 1.00 ! LA 1.01 MK 0.96 NL 1.00 OV 1.00 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.99 KP 0.99 ! LA 1.01 MK 0.98 NL 1.00 OV 1.01 ! PT 1.00 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.99 KP 1.01 ! LA 1.00 MK 0.98 NL 1.01 OV 1.02 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.99 KP 1.01 ! LA 1.00 MK 0.98 NL 1.00 OV 1.01 ! PT 1.01 SC 1.03 ! ! ! Fit before self-cal, rms=0.036084Jy sigma=0.829761 ! Fit after self-cal, rms=0.031260Jy sigma=0.726775 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=5.35 mas, bpa=0.4739 degrees ! Estimated noise=0.379708 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 (-6.3, 12.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00414999 Jy ! Component: 100 - total flux cleaned = 0.0068454 Jy ! Component: 150 - total flux cleaned = 0.00778266 Jy ! Component: 200 - total flux cleaned = 0.00802304 Jy ! Total flux subtracted in 200 components = 0.00802304 Jy ! Clean residual min=-0.002194 max=0.002932 Jy/beam ! Clean residual mean=-0.000000 rms=0.000538 Jy/beam ! Combined flux in latest and established models = 0.593785 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 69 components and 0.593786 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=0.708114 ! Fit after self-cal, rms=0.030459Jy sigma=0.707772 ! Inverting map ! Added new window around map position (1.8, -25.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00257203 Jy ! Component: 100 - total flux cleaned = 0.00370896 Jy ! Component: 150 - total flux cleaned = 0.00458979 Jy ! Component: 200 - total flux cleaned = 0.00520328 Jy ! Total flux subtracted in 200 components = 0.00520328 Jy ! Clean residual min=-0.001808 max=0.002573 Jy/beam ! Clean residual mean=-0.000001 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.598989 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 78 components and 0.598989 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=0.030067Jy sigma=0.699595 ! Fit after self-cal, rms=0.030065Jy sigma=0.699517 ! Inverting map ! Added new window around map position (-1.8, 26.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000792921 Jy ! Component: 100 - total flux cleaned = 0.000907024 Jy ! Component: 150 - total flux cleaned = 0.00139934 Jy ! Component: 200 - total flux cleaned = 0.0018009 Jy ! Total flux subtracted in 200 components = 0.0018009 Jy ! Clean residual min=-0.001681 max=0.001780 Jy/beam ! Clean residual mean=-0.000001 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.60079 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 104 components and 0.60079 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=0.029795Jy sigma=0.693857 ! Fit after self-cal, rms=0.029793Jy sigma=0.693805 ! 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=0.029793Jy sigma=0.693805 ! Fit after self-cal, rms=0.029772Jy sigma=0.693344 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=5.348 mas, bpa=0.4675 degrees ! Estimated noise=0.379828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000571524 Jy ! Component: 100 - total flux cleaned = 0.000756331 Jy ! Component: 150 - total flux cleaned = 0.000798879 Jy ! Component: 200 - total flux cleaned = 0.000839251 Jy ! Total flux subtracted in 200 components = 0.000839251 Jy ! Clean residual min=-0.001579 max=0.001694 Jy/beam ! Clean residual mean=-0.000001 rms=0.000384 Jy/beam ! Combined flux in latest and established models = 0.601629 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 122 components and 0.601629 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=0.029647Jy sigma=0.690660 ! Fit after self-cal, rms=0.029646Jy sigma=0.690644 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 (-38.4, 2.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115112 Jy ! Component: 100 - total flux cleaned = 0.00164211 Jy ! Component: 150 - total flux cleaned = 0.00217861 Jy ! Component: 200 - total flux cleaned = 0.00247143 Jy ! Total flux subtracted in 200 components = 0.00247143 Jy ! Clean residual min=-0.001527 max=0.001532 Jy/beam ! Clean residual mean=-0.000000 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.604101 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 142 components and 0.604101 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=0.029523Jy sigma=0.687737 ! Fit after self-cal, rms=0.029522Jy sigma=0.687720 ! Inverting map ! Added new window around map position (-3.3, -66.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107382 Jy ! Component: 100 - total flux cleaned = 0.00136201 Jy ! Component: 150 - total flux cleaned = 0.00149786 Jy ! Component: 200 - total flux cleaned = 0.0017244 Jy ! Total flux subtracted in 200 components = 0.0017244 Jy ! Clean residual min=-0.001443 max=0.001387 Jy/beam ! Clean residual mean=0.000000 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.605825 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 161 components and 0.605825 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=0.029425Jy sigma=0.685538 ! Fit after self-cal, rms=0.029424Jy sigma=0.685523 ! 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=0.029424Jy sigma=0.685523 ! Fit after self-cal, rms=0.029413Jy sigma=0.685416 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=5.347 mas, bpa=0.4669 degrees ! Estimated noise=0.379806 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00035084 Jy ! Component: 100 - total flux cleaned = 0.000413443 Jy ! Component: 150 - total flux cleaned = 0.000592162 Jy ! Component: 200 - total flux cleaned = 0.000648611 Jy ! Total flux subtracted in 200 components = 0.000648611 Jy ! Clean residual min=-0.001289 max=0.001358 Jy/beam ! Clean residual mean=0.000000 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.606474 Jy selfcal ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 171 components and 0.606474 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=0.029355Jy sigma=0.684139 ! Fit after self-cal, rms=0.029355Jy sigma=0.684132 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 (35.4, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00011068 Jy ! Component: 100 - total flux cleaned = -0.000706742 Jy ! Component: 150 - total flux cleaned = -0.00112478 Jy ! Component: 200 - total flux cleaned = -0.00136076 Jy ! Total flux subtracted in 200 components = -0.00136076 Jy ! Clean residual min=-0.001203 max=0.001083 Jy/beam ! Clean residual mean=0.000000 rms=0.000278 Jy/beam ! Combined flux in latest and established models = 0.605113 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 191 components and 0.605113 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=0.029260Jy sigma=0.681751 ! Fit after self-cal, rms=0.029258Jy sigma=0.681709 ! 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=0.029258Jy sigma=0.681709 ! Fit after self-cal, rms=0.029257Jy sigma=0.681595 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.479 mas, bmaj=5.773 mas, bpa=-3.859 degrees ! Estimated noise=0.480866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000301654 Jy ! Component: 100 - total flux cleaned = -0.000477841 Jy ! Component: 150 - total flux cleaned = -0.000697598 Jy ! Component: 200 - total flux cleaned = -0.000828382 Jy ! Total flux subtracted in 200 components = -0.000828382 Jy ! Clean residual min=-0.001058 max=0.001069 Jy/beam ! Clean residual mean=0.000001 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.604284 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 216 components and 0.604284 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=0.029237Jy sigma=0.681089 ! Fit after self-cal, rms=0.029237Jy sigma=0.681083 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 = -0.000198851 Jy ! Component: 100 - total flux cleaned = -0.00033155 Jy ! Component: 150 - total flux cleaned = -0.000457735 Jy ! Component: 200 - total flux cleaned = -0.000607931 Jy ! Total flux subtracted in 200 components = -0.000607931 Jy ! Clean residual min=-0.001029 max=0.001041 Jy/beam ! Clean residual mean=0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.603676 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 233 components and 0.603676 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=0.029229Jy sigma=0.680866 ! Fit after self-cal, rms=0.029229Jy sigma=0.680863 ! 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=1.554 mas, bmaj=5.346 mas, bpa=0.4665 degrees ! Estimated noise=0.379897 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.554 x 5.346 at 0.4665 degrees (North through East) ! Clean map min=-0.0011386 max=0.49733 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=1.246 mas, bmaj=5.249 mas, bpa=2.133 degrees ! Estimated noise=0.559106 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.367241 Jy ! Component: 100 - total flux cleaned = 0.475338 Jy ! Component: 150 - total flux cleaned = 0.526259 Jy ! Component: 200 - total flux cleaned = 0.55048 Jy ! Total flux subtracted in 200 components = 0.55048 Jy ! Clean residual min=-0.006594 max=0.011106 Jy/beam ! Clean residual mean=0.000006 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 0.55048 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.55048 Jy ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=5.346 mas, bpa=0.4665 degrees ! Estimated noise=0.379897 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 = 0.0137924 Jy ! Component: 100 - total flux cleaned = 0.0222957 Jy ! Component: 150 - total flux cleaned = 0.028384 Jy ! Component: 200 - total flux cleaned = 0.0331093 Jy ! Total flux subtracted in 200 components = 0.0331093 Jy ! Clean residual min=-0.003067 max=0.003394 Jy/beam ! Clean residual mean=0.000005 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.583589 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 45 components and 0.583589 Jy ! Inverting map ! Added new window around map position (12.9, -25.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00387542 Jy ! Component: 100 - total flux cleaned = 0.0069009 Jy ! Component: 150 - total flux cleaned = 0.00873144 Jy ! Component: 200 - total flux cleaned = 0.00996104 Jy ! Total flux subtracted in 200 components = 0.00996104 Jy ! Clean residual min=-0.002200 max=0.002082 Jy/beam ! Clean residual mean=0.000002 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.59355 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 76 components and 0.593551 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=3.479 mas, bmaj=5.773 mas, bpa=-3.859 degrees ! Estimated noise=0.480866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00172373 Jy ! Component: 100 - total flux cleaned = 0.00230581 Jy ! Component: 150 - total flux cleaned = 0.00311863 Jy ! Component: 200 - total flux cleaned = 0.0037647 Jy ! Total flux subtracted in 200 components = 0.0037647 Jy ! Clean residual min=-0.001582 max=0.001793 Jy/beam ! Clean residual mean=0.000001 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.597315 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 = 0.00043731 Jy ! Component: 100 - total flux cleaned = 0.000789317 Jy ! Component: 150 - total flux cleaned = 0.00110542 Jy ! Component: 200 - total flux cleaned = 0.00132254 Jy ! Total flux subtracted in 200 components = 0.00132254 Jy ! Clean residual min=-0.001309 max=0.001433 Jy/beam ! Clean residual mean=0.000001 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.598638 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 144 components and 0.598638 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=5.346 mas, bpa=0.4665 degrees ! Estimated noise=0.379897 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000492482 Jy ! Component: 100 - total flux cleaned = 0.00085594 Jy ! Component: 150 - total flux cleaned = 0.001132 Jy ! Component: 200 - total flux cleaned = 0.00117936 Jy ! Total flux subtracted in 200 components = 0.00117936 Jy ! Clean residual min=-0.001958 max=0.001392 Jy/beam ! Clean residual mean=0.000000 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.599817 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 177 components and 0.599817 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=0.029609Jy sigma=0.689241 ! Fit after self-cal, rms=0.029590Jy sigma=0.688786 wmodel J1842+6809_C_map.mod ! Writing 177 model components to file: J1842+6809_C_map.mod wobs J1842+6809_C_uvs.fits ! Writing UV FITS file: J1842+6809_C_uvs.fits wwins J1842+6809_C_map.win ! wwins: Wrote 9 windows to J1842+6809_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 = -0.000688067 Jy ! Component: 100 - total flux cleaned = -0.000869909 Jy ! Component: 150 - total flux cleaned = -0.000823631 Jy ! Component: 200 - total flux cleaned = -0.000689926 Jy ! Component: 250 - total flux cleaned = -0.000647411 Jy ! Component: 300 - total flux cleaned = -0.000543768 Jy ! Component: 350 - total flux cleaned = -0.000442781 Jy ! Component: 400 - total flux cleaned = -0.00030588 Jy ! Component: 450 - total flux cleaned = -0.000229968 Jy ! Component: 500 - total flux cleaned = -0.000156465 Jy ! Component: 550 - total flux cleaned = -0.000156476 Jy ! Component: 600 - total flux cleaned = -8.57183e-05 Jy ! Component: 650 - total flux cleaned = -0.000103208 Jy ! Component: 700 - total flux cleaned = -8.60428e-05 Jy ! Component: 750 - total flux cleaned = -8.59572e-05 Jy ! Component: 800 - total flux cleaned = -5.32457e-05 Jy ! Component: 850 - total flux cleaned = -3.72251e-05 Jy ! Component: 900 - total flux cleaned = -6.18539e-06 Jy ! Component: 950 - total flux cleaned = -5.22756e-05 Jy ! Component: 1000 - total flux cleaned = -5.24175e-05 Jy ! Component: 1050 - total flux cleaned = -8.23075e-05 Jy ! Component: 1100 - total flux cleaned = -0.000155401 Jy ! Component: 1150 - total flux cleaned = -0.000198573 Jy ! Component: 1200 - total flux cleaned = -0.000255589 Jy ! Component: 1250 - total flux cleaned = -0.000283613 Jy ! Component: 1300 - total flux cleaned = -0.000311492 Jy ! Component: 1350 - total flux cleaned = -0.000393645 Jy ! Component: 1400 - total flux cleaned = -0.000447755 Jy ! Component: 1450 - total flux cleaned = -0.000527587 Jy ! Component: 1500 - total flux cleaned = -0.000593305 Jy ! Component: 1550 - total flux cleaned = -0.00065795 Jy ! Component: 1600 - total flux cleaned = -0.00074742 Jy ! Component: 1650 - total flux cleaned = -0.00079753 Jy ! Component: 1700 - total flux cleaned = -0.000772527 Jy ! Component: 1750 - total flux cleaned = -0.000859005 Jy ! Component: 1800 - total flux cleaned = -0.000859021 Jy ! Component: 1850 - total flux cleaned = -0.000943752 Jy ! Component: 1900 - total flux cleaned = -0.00102769 Jy ! Component: 1950 - total flux cleaned = -0.00106305 Jy ! Component: 2000 - total flux cleaned = -0.00109826 Jy ! Component: 2050 - total flux cleaned = -0.00113298 Jy ! Component: 2100 - total flux cleaned = -0.00120178 Jy ! Component: 2150 - total flux cleaned = -0.00125827 Jy ! Component: 2200 - total flux cleaned = -0.00128072 Jy ! Component: 2250 - total flux cleaned = -0.00130307 Jy ! Component: 2300 - total flux cleaned = -0.00140241 Jy ! Component: 2350 - total flux cleaned = -0.00146793 Jy ! Component: 2400 - total flux cleaned = -0.00148959 Jy ! Component: 2450 - total flux cleaned = -0.00155393 Jy ! Component: 2500 - total flux cleaned = -0.00161759 Jy ! Component: 2550 - total flux cleaned = -0.00170187 Jy ! Component: 2600 - total flux cleaned = -0.00173317 Jy ! Component: 2650 - total flux cleaned = -0.00176419 Jy ! Component: 2700 - total flux cleaned = -0.00183601 Jy ! Component: 2750 - total flux cleaned = -0.00185626 Jy ! Component: 2800 - total flux cleaned = -0.00188662 Jy ! Component: 2850 - total flux cleaned = -0.00194667 Jy ! Component: 2900 - total flux cleaned = -0.00197638 Jy ! Component: 2950 - total flux cleaned = -0.00204504 Jy ! Component: 3000 - total flux cleaned = -0.00209367 Jy ! Component: 3050 - total flux cleaned = -0.00209374 Jy ! Component: 3100 - total flux cleaned = -0.00215128 Jy ! Component: 3150 - total flux cleaned = -0.00226534 Jy ! Component: 3200 - total flux cleaned = -0.00228413 Jy ! Component: 3250 - total flux cleaned = -0.00228405 Jy ! Component: 3300 - total flux cleaned = -0.00232136 Jy ! Component: 3350 - total flux cleaned = -0.00235831 Jy ! Component: 3400 - total flux cleaned = -0.00239492 Jy ! Component: 3450 - total flux cleaned = -0.00244039 Jy ! Component: 3500 - total flux cleaned = -0.00247653 Jy ! Component: 3550 - total flux cleaned = -0.00253021 Jy ! Component: 3600 - total flux cleaned = -0.00254792 Jy ! Component: 3650 - total flux cleaned = -0.00257429 Jy ! Component: 3700 - total flux cleaned = -0.0026442 Jy ! Component: 3750 - total flux cleaned = -0.00268751 Jy ! Component: 3800 - total flux cleaned = -0.00273039 Jy ! Component: 3850 - total flux cleaned = -0.00275593 Jy ! Component: 3900 - total flux cleaned = -0.00277296 Jy ! Component: 3950 - total flux cleaned = -0.00281515 Jy ! Component: 4000 - total flux cleaned = -0.00280679 Jy ! Component: 4050 - total flux cleaned = -0.00285663 Jy ! Total flux subtracted in 4096 components = -0.00288137 Jy ! Clean residual min=-0.000440 max=0.000442 Jy/beam ! Clean residual mean=0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.596936 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 470 components and 0.596936 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1842+6809_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.554 x 5.346 at 0.4665 degrees (North through East) ! Clean map min=-0.00088856 max=0.49612 Jy/beam ! Writing clean map to FITS file: .//J1842+6809_C_map.fits wmodel .//J1842+6809_C_map.mod ! Writing 470 model components to file: .//J1842+6809_C_map.mod wobs .//J1842+6809_C_uvs.fits ! Writing UV FITS file: .//J1842+6809_C_uvs.fits wwins .//J1842+6809_C_map.win ! wwins: Wrote 10 windows to .//J1842+6809_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.49612 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000148931 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0900575 0.0900575 0.180115 0.36023 0.72046 1.44092 2.88184 5.76368 11.5274 23.0547 46.1094 92.2189 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.496 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3331.21 quit ! Quitting program ! Log file .//J1842+6809_C_dfm.log closed on Mon Jan 20 18:48:21 2020