! Started logfile: .//J1802-3940_X_dfm.log on Sat Oct 20 23:59:43 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 .//J1802-3940_X_uva.fits ! Reading UV FITS file: .//J1802-3940_X_uva.fits ! AN table 1: 5 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1802-3940 ! ! 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 94 lines of history. ! ! Reading 1120 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 J1802-3940_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. ! ! 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=1.267639Jy sigma=32.370239 ! Fit after self-cal, rms=0.389788Jy sigma=5.662454 ! 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=0.6228 mas, bmaj=1.924 mas, bpa=-9.697 degrees ! Estimated noise=1.36171 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 = 0.611277 Jy ! Component: 100 - total flux cleaned = 0.706891 Jy ! Total flux subtracted in 100 components = 0.706891 Jy ! Clean residual min=-0.074176 max=0.161067 Jy/beam ! Clean residual mean=0.000077 rms=0.015923 Jy/beam ! Combined flux in latest and established models = 0.706891 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.706891 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=0.285258Jy sigma=6.500079 ! Fit after self-cal, rms=0.285221Jy sigma=6.499417 ! Inverting map ! Added new window around map position (-1.2, -4.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.12885 Jy ! Component: 100 - total flux cleaned = 0.158184 Jy ! Total flux subtracted in 100 components = 0.158184 Jy ! Clean residual min=-0.051647 max=0.111041 Jy/beam ! Clean residual mean=0.000053 rms=0.010949 Jy/beam ! Combined flux in latest and established models = 0.865074 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.865074 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=0.227527Jy sigma=4.763540 ! Fit after self-cal, rms=0.219721Jy sigma=4.345915 ! Inverting map ! Added new window around map position (-1.2, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0644144 Jy ! Component: 100 - total flux cleaned = 0.0896904 Jy ! Total flux subtracted in 100 components = 0.0896904 Jy ! Clean residual min=-0.039695 max=0.062037 Jy/beam ! Clean residual mean=0.000036 rms=0.007737 Jy/beam ! Combined flux in latest and established models = 0.954765 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 21 components and 0.954765 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=0.190485Jy sigma=3.411703 ! Fit after self-cal, rms=0.189909Jy sigma=3.307485 ! Inverting map ! Added new window around map position (1.2, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0467616 Jy ! Component: 100 - total flux cleaned = 0.0713171 Jy ! Total flux subtracted in 100 components = 0.0713171 Jy ! Clean residual min=-0.038632 max=0.029177 Jy/beam ! Clean residual mean=0.000025 rms=0.006048 Jy/beam ! Combined flux in latest and established models = 1.02608 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 34 components and 1.02608 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=0.171780Jy sigma=2.706403 ! Fit after self-cal, rms=0.170170Jy sigma=2.671393 ! 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=0.805 mas, bmaj=2.344 mas, bpa=-9.154 degrees ! Estimated noise=0.957976 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 = 0.040835 Jy ! Component: 100 - total flux cleaned = 0.0674832 Jy ! Component: 150 - total flux cleaned = 0.0838669 Jy ! Component: 200 - total flux cleaned = 0.0901749 Jy ! Total flux subtracted in 200 components = 0.0901749 Jy ! Clean residual min=-0.044216 max=0.031944 Jy/beam ! Clean residual mean=0.000050 rms=0.009335 Jy/beam ! Combined flux in latest and established models = 1.11626 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 47 components and 1.11626 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=0.158848Jy sigma=2.218703 ! Fit after self-cal, rms=0.158096Jy sigma=2.195976 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.805 x 2.344 at -9.154 degrees (North through East) ! Clean map min=-0.040635 max=0.71202 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.34 LA 0.99 MK 1.03 ! NL 1.12 OV 0.90 PT 0.95 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.41 LA 1.01 MK 1.03 ! NL 1.10 OV 0.90 PT 0.96 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.32 LA 1.01 MK 1.03 ! NL 1.12 OV 0.90 PT 0.95 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.36 LA 0.99 MK 1.04 ! NL 1.12 OV 0.91 PT 0.96 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.53 LA 1.02 MK 1.04 ! NL 1.12 OV 0.91 PT 0.96 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.42 LA 1.00 MK 1.04 ! NL 1.13 OV 0.91 PT 0.96 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.33 LA 0.99 MK 1.03 ! NL 1.13 OV 0.91 PT 0.96 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.36 LA 0.98 MK 1.02 ! NL 1.14 OV 0.92 PT 0.96 SC 1.05 ! ! ! Fit before self-cal, rms=0.158096Jy sigma=2.195976 ! Fit after self-cal, rms=0.137794Jy sigma=1.411697 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8159 mas, bmaj=2.339 mas, bpa=-8.89 degrees ! Estimated noise=0.996184 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 = -0.020405 Jy ! Component: 100 - total flux cleaned = -0.0246081 Jy ! Component: 150 - total flux cleaned = -0.0272721 Jy ! Component: 200 - total flux cleaned = -0.0276077 Jy ! Total flux subtracted in 200 components = -0.0276077 Jy ! Clean residual min=-0.023159 max=0.017007 Jy/beam ! Clean residual mean=0.000011 rms=0.004362 Jy/beam ! Combined flux in latest and established models = 1.08865 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 57 components and 1.08865 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=0.125022Jy sigma=1.258417 ! Fit after self-cal, rms=0.124080Jy sigma=1.234652 ! 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=0.124080Jy sigma=1.234652 ! Fit after self-cal, rms=0.121807Jy sigma=1.169889 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8171 mas, bmaj=2.338 mas, bpa=-8.792 degrees ! Estimated noise=0.998799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0140143 Jy ! Component: 100 - total flux cleaned = -0.0175561 Jy ! Component: 150 - total flux cleaned = -0.0185315 Jy ! Component: 200 - total flux cleaned = -0.0188151 Jy ! Total flux subtracted in 200 components = -0.0188151 Jy ! Clean residual min=-0.018554 max=0.014150 Jy/beam ! Clean residual mean=0.000013 rms=0.003513 Jy/beam ! Combined flux in latest and established models = 1.06983 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 1.06983 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=0.114795Jy sigma=1.104478 ! Fit after self-cal, rms=0.114110Jy sigma=1.090248 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 = -0.00173122 Jy ! Component: 100 - total flux cleaned = -0.00102801 Jy ! Component: 150 - total flux cleaned = -0.000824144 Jy ! Component: 200 - total flux cleaned = -0.000650481 Jy ! Total flux subtracted in 200 components = -0.000650481 Jy ! Clean residual min=-0.017530 max=0.013948 Jy/beam ! Clean residual mean=0.000014 rms=0.003412 Jy/beam ! Combined flux in latest and established models = 1.06918 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 1.06918 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=0.112066Jy sigma=1.069530 ! Fit after self-cal, rms=0.111685Jy sigma=1.062927 ! 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=0.111685Jy sigma=1.062927 ! Fit after self-cal, rms=0.109437Jy sigma=1.015994 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8175 mas, bmaj=2.336 mas, bpa=-8.76 degrees ! Estimated noise=1.00136 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0098891 Jy ! Component: 100 - total flux cleaned = -0.0120356 Jy ! Component: 150 - total flux cleaned = -0.0133149 Jy ! Component: 200 - total flux cleaned = -0.0142143 Jy ! Total flux subtracted in 200 components = -0.0142143 Jy ! Clean residual min=-0.014894 max=0.012468 Jy/beam ! Clean residual mean=0.000015 rms=0.002901 Jy/beam ! Combined flux in latest and established models = 1.05497 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 77 components and 1.05497 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=0.105318Jy sigma=0.989471 ! Fit after self-cal, rms=0.105011Jy sigma=0.983212 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 = -0.00179583 Jy ! Component: 100 - total flux cleaned = -0.00132986 Jy ! Component: 150 - total flux cleaned = -0.000918387 Jy ! Component: 200 - total flux cleaned = -0.000666276 Jy ! Total flux subtracted in 200 components = -0.000666276 Jy ! Clean residual min=-0.014339 max=0.012294 Jy/beam ! Clean residual mean=0.000015 rms=0.002855 Jy/beam ! Combined flux in latest and established models = 1.0543 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 80 components and 1.0543 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=0.103939Jy sigma=0.973649 ! Fit after self-cal, rms=0.103749Jy sigma=0.970675 ! 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=0.103749Jy sigma=0.970675 ! Fit after self-cal, rms=0.102098Jy sigma=0.943416 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.168 mas, bmaj=6.454 mas, bpa=-1.636 degrees ! Estimated noise=1.24862 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00670656 Jy ! Component: 100 - total flux cleaned = -0.0073398 Jy ! Component: 150 - total flux cleaned = -0.00720283 Jy ! Component: 200 - total flux cleaned = -0.00719723 Jy ! Total flux subtracted in 200 components = -0.00719723 Jy ! Clean residual min=-0.016473 max=0.012881 Jy/beam ! Clean residual mean=0.000026 rms=0.003979 Jy/beam ! Combined flux in latest and established models = 1.04711 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 84 components and 1.04711 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=0.100122Jy sigma=0.937810 ! Fit after self-cal, rms=0.100064Jy sigma=0.936176 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 = 0.000272194 Jy ! Component: 100 - total flux cleaned = 0.0002663 Jy ! Component: 150 - total flux cleaned = 0.000477416 Jy ! Component: 200 - total flux cleaned = 0.000582648 Jy ! Total flux subtracted in 200 components = 0.000582648 Jy ! Clean residual min=-0.016392 max=0.012922 Jy/beam ! Clean residual mean=0.000025 rms=0.003934 Jy/beam ! Combined flux in latest and established models = 1.04769 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 87 components and 1.04769 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=0.099550Jy sigma=0.941528 ! Fit after self-cal, rms=0.099510Jy sigma=0.941153 ! 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=0.8178 mas, bmaj=2.334 mas, bpa=-8.744 degrees ! Estimated noise=1.00329 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8178 x 2.334 at -8.744 degrees (North through East) ! Clean map min=-0.013078 max=0.74578 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 ! Performing amp+phase self-cal ! ! 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=0.099510Jy sigma=0.941153 ! Fit after self-cal, rms=0.096622Jy sigma=0.833123 ! Inverting map and beam ! Estimated beam: bmin=0.8172 mas, bmaj=2.331 mas, bpa=-8.588 degrees ! Estimated noise=1.00037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00776638 Jy ! Component: 100 - total flux cleaned = -0.00924396 Jy ! Component: 150 - total flux cleaned = -0.0103146 Jy ! Component: 200 - total flux cleaned = -0.0112257 Jy ! Total flux subtracted in 200 components = -0.0112257 Jy ! Clean residual min=-0.011642 max=0.011607 Jy/beam ! Clean residual mean=0.000019 rms=0.002401 Jy/beam ! Combined flux in latest and established models = 1.03646 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 94 components and 1.03646 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=0.094407Jy sigma=0.820640 ! Fit after self-cal, rms=0.094248Jy sigma=0.817698 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00124564 Jy ! Component: 100 - total flux cleaned = -0.00102059 Jy ! Component: 150 - total flux cleaned = -0.000912633 Jy ! Component: 200 - total flux cleaned = -0.000913181 Jy ! Total flux subtracted in 200 components = -0.000913181 Jy ! Clean residual min=-0.011418 max=0.011242 Jy/beam ! Clean residual mean=0.000020 rms=0.002371 Jy/beam ! Combined flux in latest and established models = 1.03555 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 101 components and 1.03555 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=0.093819Jy sigma=0.810256 ! Fit after self-cal, rms=0.093733Jy sigma=0.809075 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.093733Jy sigma=0.809075 ! Fit after self-cal, rms=0.092669Jy sigma=0.791750 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=0.6281 mas, bmaj=1.885 mas, bpa=-8.752 degrees ! Estimated noise=1.45331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.651921 Jy ! Component: 100 - total flux cleaned = 0.820605 Jy ! Component: 150 - total flux cleaned = 0.881914 Jy ! Component: 200 - total flux cleaned = 0.916123 Jy ! Total flux subtracted in 200 components = 0.916123 Jy ! Clean residual min=-0.020543 max=0.027367 Jy/beam ! Clean residual mean=0.000027 rms=0.004114 Jy/beam ! Combined flux in latest and established models = 0.916123 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.916123 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8175 mas, bmaj=2.33 mas, bpa=-8.581 degrees ! Estimated noise=1.00083 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) ! Added new window around map position (-0.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0414635 Jy ! Component: 100 - total flux cleaned = 0.0648883 Jy ! Component: 150 - total flux cleaned = 0.0800516 Jy ! Component: 200 - total flux cleaned = 0.0900901 Jy ! Total flux subtracted in 200 components = 0.0900901 Jy ! Clean residual min=-0.011843 max=0.011046 Jy/beam ! Clean residual mean=0.000039 rms=0.003040 Jy/beam ! Combined flux in latest and established models = 1.00621 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 43 components and 1.00621 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=2.178 mas, bmaj=6.473 mas, bpa=-1.586 degrees ! Estimated noise=1.2449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134926 Jy ! Component: 100 - total flux cleaned = 0.0207416 Jy ! Component: 150 - total flux cleaned = 0.0246028 Jy ! Component: 200 - total flux cleaned = 0.0251685 Jy ! Total flux subtracted in 200 components = 0.0251685 Jy ! Clean residual min=-0.014005 max=0.010393 Jy/beam ! Clean residual mean=0.000035 rms=0.003408 Jy/beam ! Combined flux in latest and established models = 1.03138 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 = 0.00041462 Jy ! Component: 100 - total flux cleaned = 0.000708513 Jy ! Component: 150 - total flux cleaned = 0.000986295 Jy ! Component: 200 - total flux cleaned = 0.00134268 Jy ! Total flux subtracted in 200 components = 0.00134268 Jy ! Clean residual min=-0.013784 max=0.010429 Jy/beam ! Clean residual mean=0.000033 rms=0.003387 Jy/beam ! Combined flux in latest and established models = 1.03272 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 1.03272 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8175 mas, bmaj=2.33 mas, bpa=-8.581 degrees ! Estimated noise=1.00083 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00284009 Jy ! Component: 100 - total flux cleaned = -0.00299132 Jy ! Component: 150 - total flux cleaned = -0.00326077 Jy ! Component: 200 - total flux cleaned = -0.00350431 Jy ! Total flux subtracted in 200 components = -0.00350431 Jy ! Clean residual min=-0.011045 max=0.010354 Jy/beam ! Clean residual mean=0.000019 rms=0.002269 Jy/beam ! Combined flux in latest and established models = 1.02922 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 1.02922 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=0.091560Jy sigma=0.832425 ! Fit after self-cal, rms=0.091275Jy sigma=0.794897 wmodel J1802-3940_X_map.mod ! Writing 75 model components to file: J1802-3940_X_map.mod wobs J1802-3940_X_uvs.fits ! Writing UV FITS file: J1802-3940_X_uvs.fits wwins J1802-3940_X_map.win ! wwins: Wrote 5 windows to J1802-3940_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 = -0.00302081 Jy ! Component: 100 - total flux cleaned = -0.00383545 Jy ! Component: 150 - total flux cleaned = -0.00441278 Jy ! Component: 200 - total flux cleaned = -0.00455061 Jy ! Component: 250 - total flux cleaned = -0.00430528 Jy ! Component: 300 - total flux cleaned = -0.0038359 Jy ! Component: 350 - total flux cleaned = -0.00338751 Jy ! Component: 400 - total flux cleaned = -0.00274489 Jy ! Component: 450 - total flux cleaned = -0.00191717 Jy ! Component: 500 - total flux cleaned = -0.00102097 Jy ! Component: 550 - total flux cleaned = -0.000344737 Jy ! Component: 600 - total flux cleaned = 0.000406975 Jy ! Component: 650 - total flux cleaned = 0.0011361 Jy ! Component: 700 - total flux cleaned = 0.00202007 Jy ! Component: 750 - total flux cleaned = 0.00262289 Jy ! Component: 800 - total flux cleaned = 0.00304471 Jy ! Component: 850 - total flux cleaned = 0.00378577 Jy ! Component: 900 - total flux cleaned = 0.00435138 Jy ! Component: 950 - total flux cleaned = 0.00482817 Jy ! Component: 1000 - total flux cleaned = 0.0052174 Jy ! Component: 1050 - total flux cleaned = 0.00575142 Jy ! Component: 1100 - total flux cleaned = 0.00612496 Jy ! Component: 1150 - total flux cleaned = 0.00642015 Jy ! Component: 1200 - total flux cleaned = 0.00685445 Jy ! Component: 1250 - total flux cleaned = 0.00720969 Jy ! Component: 1300 - total flux cleaned = 0.00756079 Jy ! Component: 1350 - total flux cleaned = 0.0079764 Jy ! Component: 1400 - total flux cleaned = 0.00818083 Jy ! Component: 1450 - total flux cleaned = 0.00851869 Jy ! Component: 1500 - total flux cleaned = 0.00865134 Jy ! Component: 1550 - total flux cleaned = 0.00878283 Jy ! Component: 1600 - total flux cleaned = 0.00910646 Jy ! Component: 1650 - total flux cleaned = 0.00929718 Jy ! Component: 1700 - total flux cleaned = 0.00942298 Jy ! Component: 1750 - total flux cleaned = 0.00967273 Jy ! Component: 1800 - total flux cleaned = 0.00985706 Jy ! Component: 1850 - total flux cleaned = 0.00991753 Jy ! Component: 1900 - total flux cleaned = 0.0100374 Jy ! Component: 1950 - total flux cleaned = 0.0102751 Jy ! Component: 2000 - total flux cleaned = 0.0104515 Jy ! Component: 2050 - total flux cleaned = 0.0106266 Jy ! Component: 2100 - total flux cleaned = 0.0108563 Jy ! Component: 2150 - total flux cleaned = 0.0110268 Jy ! Component: 2200 - total flux cleaned = 0.0111397 Jy ! Component: 2250 - total flux cleaned = 0.0113636 Jy ! Component: 2300 - total flux cleaned = 0.0116387 Jy ! Component: 2350 - total flux cleaned = 0.011802 Jy ! Component: 2400 - total flux cleaned = 0.0120716 Jy ! Component: 2450 - total flux cleaned = 0.0123913 Jy ! Component: 2500 - total flux cleaned = 0.0124966 Jy ! Component: 2550 - total flux cleaned = 0.0126012 Jy ! Component: 2600 - total flux cleaned = 0.0128082 Jy ! Component: 2650 - total flux cleaned = 0.013065 Jy ! Component: 2700 - total flux cleaned = 0.0130648 Jy ! Component: 2750 - total flux cleaned = 0.0131149 Jy ! Component: 2800 - total flux cleaned = 0.0131651 Jy ! Component: 2850 - total flux cleaned = 0.0132637 Jy ! Component: 2900 - total flux cleaned = 0.0132145 Jy ! Component: 2950 - total flux cleaned = 0.013312 Jy ! Component: 3000 - total flux cleaned = 0.0133602 Jy ! Component: 3050 - total flux cleaned = 0.0132167 Jy ! Component: 3100 - total flux cleaned = 0.0134075 Jy ! Component: 3150 - total flux cleaned = 0.0135018 Jy ! Component: 3200 - total flux cleaned = 0.0134548 Jy ! Component: 3250 - total flux cleaned = 0.0134087 Jy ! Component: 3300 - total flux cleaned = 0.013455 Jy ! Component: 3350 - total flux cleaned = 0.0135013 Jy ! Component: 3400 - total flux cleaned = 0.0135919 Jy ! Component: 3450 - total flux cleaned = 0.0137263 Jy ! Component: 3500 - total flux cleaned = 0.0137261 Jy ! Component: 3550 - total flux cleaned = 0.0138143 Jy ! Component: 3600 - total flux cleaned = 0.0138584 Jy ! Component: 3650 - total flux cleaned = 0.0140759 Jy ! Component: 3700 - total flux cleaned = 0.0139891 Jy ! Component: 3750 - total flux cleaned = 0.0140751 Jy ! Component: 3800 - total flux cleaned = 0.014203 Jy ! Component: 3850 - total flux cleaned = 0.0142456 Jy ! Component: 3900 - total flux cleaned = 0.0144557 Jy ! Component: 3950 - total flux cleaned = 0.0145391 Jy ! Component: 4000 - total flux cleaned = 0.014539 Jy ! Component: 4050 - total flux cleaned = 0.014621 Jy ! Total flux subtracted in 4096 components = 0.0147027 Jy ! Clean residual min=-0.002032 max=0.002034 Jy/beam ! Clean residual mean=0.000000 rms=0.000815 Jy/beam ! Combined flux in latest and established models = 1.04392 Jy keep ! Adding 333 model components to the UV plane model. ! The established model now contains 408 components and 1.04392 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1802-3940_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8175 x 2.33 at -8.581 degrees (North through East) ! Clean map min=-0.011428 max=0.72928 Jy/beam ! Writing clean map to FITS file: .//J1802-3940_X_map.fits wmodel .//J1802-3940_X_map.mod ! Writing 408 model components to file: .//J1802-3940_X_map.mod wobs .//J1802-3940_X_uvs.fits ! Writing UV FITS file: .//J1802-3940_X_uvs.fits wwins .//J1802-3940_X_map.win ! wwins: Wrote 6 windows to .//J1802-3940_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.729275 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000816473 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.33587 0.33587 0.671741 1.34348 2.68696 5.37393 10.7479 21.4957 42.9914 85.9828 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.729 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 893.201 quit ! Quitting program ! Log file .//J1802-3940_X_dfm.log closed on Sat Oct 20 23:59:47 2018