! Started logfile: /vlbi/sb072/temp_maps//J1746+5341_X_dfm.log on Fri Jan 25 19:42:43 2019 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 /vlbi/sb072/temp_maps//J1746+5341_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1746+5341_X_uva.fits ! AN table 1: 7 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1746+5341 ! ! 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 2520 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 J1746+5341_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=1.002909Jy sigma=36.666144 ! Fit after self-cal, rms=0.947734Jy sigma=34.698026 ! 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=0.7026 mas, bmaj=2.795 mas, bpa=-25.28 degrees ! Estimated noise=0.603586 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 = 0.0398258 Jy ! Component: 100 - total flux cleaned = 0.0487695 Jy ! Total flux subtracted in 100 components = 0.0487695 Jy ! Clean residual min=-0.002932 max=0.003824 Jy/beam ! Clean residual mean=-0.000002 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.0487695 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0487695 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=0.026454Jy sigma=0.743796 ! Fit after self-cal, rms=0.026137Jy sigma=0.740234 ! Inverting map ! Added new window around map position (1.6, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.004204 Jy ! Component: 100 - total flux cleaned = 0.00682481 Jy ! Total flux subtracted in 100 components = 0.00682481 Jy ! Clean residual min=-0.002183 max=0.003022 Jy/beam ! Clean residual mean=-0.000001 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.0555943 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.0555943 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=0.025382Jy sigma=0.710427 ! Fit after self-cal, rms=0.025371Jy sigma=0.709845 ! 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=0.9143 mas, bmaj=2.864 mas, bpa=-25.51 degrees ! Estimated noise=0.406191 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 (-7.4, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00325769 Jy ! Component: 100 - total flux cleaned = 0.00514377 Jy ! Component: 150 - total flux cleaned = 0.00622895 Jy ! Component: 200 - total flux cleaned = 0.00684159 Jy ! Total flux subtracted in 200 components = 0.00684159 Jy ! Clean residual min=-0.001466 max=0.001950 Jy/beam ! Clean residual mean=-0.000001 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.0624359 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 35 components and 0.0624359 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=0.024847Jy sigma=0.687785 ! Fit after self-cal, rms=0.024803Jy sigma=0.686439 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9143 x 2.864 at -25.51 degrees (North through East) ! Clean map min=-0.0013491 max=0.050752 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.12 HN 0.87 KP 0.95 ! LA 1.00 MK 0.97 NL 1.07 OV 0.94 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.08 HN 0.91 KP 0.98 ! LA 0.94 MK 0.96 NL 1.00 OV 0.90 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.96 KP 0.95 ! LA 0.96 MK 1.01 NL 1.09 OV 1.01 ! PT 1.03 SC 1.13 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 HN 0.94 KP 0.97 ! LA 0.96 MK 1.00 NL 1.03 OV 0.92 ! PT 0.96 SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.11 HN 0.92 KP 1.03 ! LA 1.08 MK 1.07 NL 1.03 OV 1.02 ! PT 0.98 SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.05 HN 0.96 KP 1.09 ! LA 1.06 MK 1.03 NL 1.01 OV 1.01 ! PT 1.04 SC 1.12 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.07 HN 0.92 KP 0.98 ! LA 0.97 MK 1.11 NL 1.11 OV 1.00 ! PT 0.97 SC 1.12 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.16 HN 0.90 KP 0.97 ! LA 1.03 MK 0.99 NL 1.03 OV 0.96 ! PT 0.94 SC 1.01 ! ! ! Fit before self-cal, rms=0.024803Jy sigma=0.686439 ! Fit after self-cal, rms=0.023988Jy sigma=0.664586 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.921 mas, bmaj=2.835 mas, bpa=-25.93 degrees ! Estimated noise=0.405952 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 = -0.00011757 Jy ! Component: 100 - total flux cleaned = -0.000114895 Jy ! Component: 150 - total flux cleaned = -0.000137573 Jy ! Component: 200 - total flux cleaned = -0.000117336 Jy ! Total flux subtracted in 200 components = -0.000117336 Jy ! Clean residual min=-0.001043 max=0.001183 Jy/beam ! Clean residual mean=-0.000000 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.0623186 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 0.0623186 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=0.023941Jy sigma=0.661793 ! Fit after self-cal, rms=0.023935Jy sigma=0.661564 ! 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=0.023935Jy sigma=0.661564 ! Fit after self-cal, rms=0.023887Jy sigma=0.661419 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9221 mas, bmaj=2.833 mas, bpa=-25.95 degrees ! Estimated noise=0.405003 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000224712 Jy ! Component: 100 - total flux cleaned = -0.000189805 Jy ! Component: 150 - total flux cleaned = -0.000232757 Jy ! Component: 200 - total flux cleaned = -0.000231883 Jy ! Total flux subtracted in 200 components = -0.000231883 Jy ! Clean residual min=-0.001002 max=0.001150 Jy/beam ! Clean residual mean=-0.000000 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.0620867 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 63 components and 0.0620867 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=0.023871Jy sigma=0.660367 ! Fit after self-cal, rms=0.023869Jy sigma=0.660328 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 (-47.6, -10.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000519299 Jy ! Component: 100 - total flux cleaned = 0.00039242 Jy ! Component: 150 - total flux cleaned = 0.00038992 Jy ! Component: 200 - total flux cleaned = 0.000450284 Jy ! Total flux subtracted in 200 components = 0.000450284 Jy ! Clean residual min=-0.001034 max=0.001037 Jy/beam ! Clean residual mean=-0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.062537 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.062537 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=0.023809Jy sigma=0.658565 ! Fit after self-cal, rms=0.023806Jy sigma=0.658506 ! Inverting map ! Added new window around map position (-19.2, -47.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000418728 Jy ! Component: 100 - total flux cleaned = 0.000274219 Jy ! Component: 150 - total flux cleaned = 0.000232606 Jy ! Component: 200 - total flux cleaned = 0.000247437 Jy ! Total flux subtracted in 200 components = 0.000247437 Jy ! Clean residual min=-0.000988 max=0.000925 Jy/beam ! Clean residual mean=-0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0627844 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 0.0627844 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=0.023745Jy sigma=0.656638 ! Fit after self-cal, rms=0.023744Jy sigma=0.656574 ! 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=0.023744Jy sigma=0.656574 ! Fit after self-cal, rms=0.023671Jy sigma=0.656416 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9229 mas, bmaj=2.833 mas, bpa=-25.97 degrees ! Estimated noise=0.403612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.75494e-05 Jy ! Component: 100 - total flux cleaned = -2.08973e-06 Jy ! Component: 150 - total flux cleaned = 8.70514e-05 Jy ! Component: 200 - total flux cleaned = 0.000115241 Jy ! Total flux subtracted in 200 components = 0.000115241 Jy ! Clean residual min=-0.000974 max=0.000918 Jy/beam ! Clean residual mean=0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0628997 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 118 components and 0.0628997 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=0.023649Jy sigma=0.655728 ! Fit after self-cal, rms=0.023649Jy sigma=0.655718 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 = 1.31353e-05 Jy ! Component: 100 - total flux cleaned = -1.29596e-05 Jy ! Component: 150 - total flux cleaned = -1.23257e-05 Jy ! Component: 200 - total flux cleaned = 8.286e-08 Jy ! Total flux subtracted in 200 components = 8.286e-08 Jy ! Clean residual min=-0.000963 max=0.000909 Jy/beam ! Clean residual mean=0.000000 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0628997 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 124 components and 0.0628997 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=0.023635Jy sigma=0.655225 ! Fit after self-cal, rms=0.023635Jy sigma=0.655220 ! 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=0.023635Jy sigma=0.655220 ! Fit after self-cal, rms=0.023613Jy sigma=0.655190 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.046 mas, bmaj=3.046 mas, bpa=-30.01 degrees ! Estimated noise=0.494423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.20696e-05 Jy ! Component: 100 - total flux cleaned = -8.34181e-05 Jy ! Component: 150 - total flux cleaned = -0.000105747 Jy ! Component: 200 - total flux cleaned = -0.000137348 Jy ! Total flux subtracted in 200 components = -0.000137348 Jy ! Clean residual min=-0.000758 max=0.001177 Jy/beam ! Clean residual mean=0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0627624 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 151 components and 0.0627624 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=0.023611Jy sigma=0.654780 ! Fit after self-cal, rms=0.023610Jy sigma=0.654766 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 (-40.6, 42.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000748457 Jy ! Component: 100 - total flux cleaned = 0.00102229 Jy ! Component: 150 - total flux cleaned = 0.00111327 Jy ! Component: 200 - total flux cleaned = 0.00120854 Jy ! Total flux subtracted in 200 components = 0.00120854 Jy ! Clean residual min=-0.000701 max=0.000805 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.0639709 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 179 components and 0.0639709 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=0.023562Jy sigma=0.653406 ! Fit after self-cal, rms=0.023561Jy sigma=0.653342 ! Inverting map ! Added new window around map position (37, 34.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000555402 Jy ! Component: 100 - total flux cleaned = 0.000636839 Jy ! Component: 150 - total flux cleaned = 0.000723115 Jy ! Component: 200 - total flux cleaned = 0.000787956 Jy ! Total flux subtracted in 200 components = 0.000787956 Jy ! Clean residual min=-0.000629 max=0.000685 Jy/beam ! Clean residual mean=-0.000000 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0647589 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 207 components and 0.0647588 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=0.023535Jy sigma=0.652523 ! Fit after self-cal, rms=0.023534Jy sigma=0.652481 ! Inverting map ! Added new window around map position (47.6, -27). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000634267 Jy ! Component: 100 - total flux cleaned = 0.000895014 Jy ! Component: 150 - total flux cleaned = 0.00109323 Jy ! Component: 200 - total flux cleaned = 0.00127794 Jy ! Total flux subtracted in 200 components = 0.00127794 Jy ! Clean residual min=-0.000534 max=0.000559 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0660368 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 235 components and 0.0660368 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=0.023512Jy sigma=0.651244 ! Fit after self-cal, rms=0.023511Jy sigma=0.651208 ! 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=0.9234 mas, bmaj=2.832 mas, bpa=-25.99 degrees ! Estimated noise=0.403143 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9234 x 2.832 at -25.99 degrees (North through East) ! Clean map min=-0.00076819 max=0.050606 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7099 mas, bmaj=2.758 mas, bpa=-25.71 degrees ! Estimated noise=0.599267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0395672 Jy ! Component: 100 - total flux cleaned = 0.0485193 Jy ! Component: 150 - total flux cleaned = 0.0522934 Jy ! Component: 200 - total flux cleaned = 0.0541902 Jy ! Total flux subtracted in 200 components = 0.0541902 Jy ! Clean residual min=-0.001786 max=0.001921 Jy/beam ! Clean residual mean=-0.000002 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 0.0541902 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 0.0541902 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9234 mas, bmaj=2.832 mas, bpa=-25.99 degrees ! Estimated noise=0.403143 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 = 0.0023001 Jy ! Component: 100 - total flux cleaned = 0.00385612 Jy ! Component: 150 - total flux cleaned = 0.00491995 Jy ! Component: 200 - total flux cleaned = 0.00558661 Jy ! Total flux subtracted in 200 components = 0.00558661 Jy ! Clean residual min=-0.001180 max=0.001095 Jy/beam ! Clean residual mean=-0.000002 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0597768 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 0.0597768 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=2.046 mas, bmaj=3.046 mas, bpa=-30.01 degrees ! Estimated noise=0.494423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109337 Jy ! Component: 100 - total flux cleaned = 0.00153044 Jy ! Component: 150 - total flux cleaned = 0.00176412 Jy ! Component: 200 - total flux cleaned = 0.00212817 Jy ! Total flux subtracted in 200 components = 0.00212817 Jy ! Clean residual min=-0.000787 max=0.000831 Jy/beam ! Clean residual mean=-0.000002 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.061905 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 = 0.000222679 Jy ! Component: 100 - total flux cleaned = 0.000402395 Jy ! Component: 150 - total flux cleaned = 0.000500113 Jy ! Component: 200 - total flux cleaned = 0.000682426 Jy ! Total flux subtracted in 200 components = 0.000682426 Jy ! Clean residual min=-0.000678 max=0.000757 Jy/beam ! Clean residual mean=-0.000002 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0625874 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 107 components and 0.0625874 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9234 mas, bmaj=2.832 mas, bpa=-25.99 degrees ! Estimated noise=0.403143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.08156e-05 Jy ! Component: 100 - total flux cleaned = 2.06302e-05 Jy ! Component: 150 - total flux cleaned = 7.72929e-05 Jy ! Component: 200 - total flux cleaned = 0.000180928 Jy ! Total flux subtracted in 200 components = 0.000180928 Jy ! Clean residual min=-0.000924 max=0.000808 Jy/beam ! Clean residual mean=-0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0627683 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 141 components and 0.0627683 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=0.023603Jy sigma=0.654123 ! Fit after self-cal, rms=0.023600Jy sigma=0.653934 wmodel J1746+5341_X_map.mod ! Writing 141 model components to file: J1746+5341_X_map.mod wobs J1746+5341_X_uvs.fits ! Writing UV FITS file: J1746+5341_X_uvs.fits wwins J1746+5341_X_map.win ! wwins: Wrote 8 windows to J1746+5341_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 = -0.000309711 Jy ! Component: 100 - total flux cleaned = -0.000427372 Jy ! Component: 150 - total flux cleaned = -0.000596082 Jy ! Component: 200 - total flux cleaned = -0.00066425 Jy ! Component: 250 - total flux cleaned = -0.000756125 Jy ! Component: 300 - total flux cleaned = -0.000819513 Jy ! Component: 350 - total flux cleaned = -0.000869052 Jy ! Component: 400 - total flux cleaned = -0.000917548 Jy ! Component: 450 - total flux cleaned = -0.000929493 Jy ! Component: 500 - total flux cleaned = -0.000929326 Jy ! Component: 550 - total flux cleaned = -0.000906288 Jy ! Component: 600 - total flux cleaned = -0.000894906 Jy ! Component: 650 - total flux cleaned = -0.000861604 Jy ! Component: 700 - total flux cleaned = -0.000872391 Jy ! Component: 750 - total flux cleaned = -0.000861543 Jy ! Component: 800 - total flux cleaned = -0.000861527 Jy ! Component: 850 - total flux cleaned = -0.000851182 Jy ! Component: 900 - total flux cleaned = -0.000850986 Jy ! Component: 950 - total flux cleaned = -0.000830643 Jy ! Component: 1000 - total flux cleaned = -0.000840602 Jy ! Component: 1050 - total flux cleaned = -0.00083071 Jy ! Component: 1100 - total flux cleaned = -0.000811287 Jy ! Component: 1150 - total flux cleaned = -0.0008113 Jy ! Component: 1200 - total flux cleaned = -0.000830426 Jy ! Component: 1250 - total flux cleaned = -0.000830365 Jy ! Component: 1300 - total flux cleaned = -0.000820833 Jy ! Component: 1350 - total flux cleaned = -0.000820788 Jy ! Component: 1400 - total flux cleaned = -0.000820792 Jy ! Component: 1450 - total flux cleaned = -0.000839106 Jy ! Component: 1500 - total flux cleaned = -0.000884192 Jy ! Component: 1550 - total flux cleaned = -0.000875071 Jy ! Component: 1600 - total flux cleaned = -0.000892746 Jy ! Component: 1650 - total flux cleaned = -0.000892736 Jy ! Component: 1700 - total flux cleaned = -0.000927578 Jy ! Component: 1750 - total flux cleaned = -0.00090156 Jy ! Component: 1800 - total flux cleaned = -0.000918688 Jy ! Component: 1850 - total flux cleaned = -0.000901662 Jy ! Component: 1900 - total flux cleaned = -0.000926976 Jy ! Component: 1950 - total flux cleaned = -0.000935323 Jy ! Component: 2000 - total flux cleaned = -0.000960239 Jy ! Component: 2050 - total flux cleaned = -0.000968512 Jy ! Component: 2100 - total flux cleaned = -0.000968578 Jy ! Component: 2150 - total flux cleaned = -0.000984874 Jy ! Component: 2200 - total flux cleaned = -0.00100111 Jy ! Component: 2250 - total flux cleaned = -0.00103322 Jy ! Component: 2300 - total flux cleaned = -0.00102511 Jy ! Component: 2350 - total flux cleaned = -0.00104887 Jy ! Component: 2400 - total flux cleaned = -0.00106462 Jy ! Component: 2450 - total flux cleaned = -0.00104892 Jy ! Component: 2500 - total flux cleaned = -0.00106456 Jy ! Component: 2550 - total flux cleaned = -0.00108784 Jy ! Component: 2600 - total flux cleaned = -0.00108026 Jy ! Component: 2650 - total flux cleaned = -0.00110327 Jy ! Component: 2700 - total flux cleaned = -0.00111849 Jy ! Component: 2750 - total flux cleaned = -0.00114118 Jy ! Component: 2800 - total flux cleaned = -0.00115619 Jy ! Component: 2850 - total flux cleaned = -0.00116363 Jy ! Component: 2900 - total flux cleaned = -0.00118599 Jy ! Component: 2950 - total flux cleaned = -0.00118604 Jy ! Component: 3000 - total flux cleaned = -0.00117866 Jy ! Component: 3050 - total flux cleaned = -0.00117136 Jy ! Component: 3100 - total flux cleaned = -0.00120041 Jy ! Component: 3150 - total flux cleaned = -0.00120042 Jy ! Component: 3200 - total flux cleaned = -0.00120758 Jy ! Component: 3250 - total flux cleaned = -0.00121475 Jy ! Component: 3300 - total flux cleaned = -0.00122899 Jy ! Component: 3350 - total flux cleaned = -0.00120773 Jy ! Component: 3400 - total flux cleaned = -0.00121481 Jy ! Component: 3450 - total flux cleaned = -0.00122184 Jy ! Component: 3500 - total flux cleaned = -0.00124969 Jy ! Component: 3550 - total flux cleaned = -0.00124279 Jy ! Component: 3600 - total flux cleaned = -0.00127734 Jy ! Component: 3650 - total flux cleaned = -0.00124985 Jy ! Component: 3700 - total flux cleaned = -0.00129768 Jy ! Component: 3750 - total flux cleaned = -0.00127044 Jy ! Component: 3800 - total flux cleaned = -0.00131106 Jy ! Component: 3850 - total flux cleaned = -0.00128408 Jy ! Component: 3900 - total flux cleaned = -0.00129753 Jy ! Component: 3950 - total flux cleaned = -0.00128421 Jy ! Component: 4000 - total flux cleaned = -0.00131742 Jy ! Component: 4050 - total flux cleaned = -0.0013042 Jy ! Total flux subtracted in 4096 components = -0.00130422 Jy ! Clean residual min=-0.000385 max=0.000386 Jy/beam ! Clean residual mean=0.000000 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0614641 Jy keep ! Adding 275 model components to the UV plane model. ! The established model now contains 415 components and 0.0614641 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1746+5341_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9234 x 2.832 at -25.99 degrees (North through East) ! Clean map min=-0.00081091 max=0.050472 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1746+5341_X_map.fits wmodel /vlbi/sb072/temp_maps//J1746+5341_X_map.mod ! Writing 415 model components to file: /vlbi/sb072/temp_maps//J1746+5341_X_map.mod wobs /vlbi/sb072/temp_maps//J1746+5341_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1746+5341_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1746+5341_X_map.win ! wwins: Wrote 9 windows to /vlbi/sb072/temp_maps//J1746+5341_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0504718 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000118225 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.702716 0.702716 1.40543 2.81087 5.62173 11.2435 22.4869 44.9739 89.9477 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 426.914 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1746+5341_X_dfm.log closed on Fri Jan 25 19:42:47 2019