! Started logfile: /vlbi/sb072/temp_maps//J2253+1608_X_dfm.log on Fri Jan 25 19:57:11 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//J2253+1608_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2253+1608_X_uva.fits ! AN table 1: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2253+1608 ! ! 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 2160 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 J2253+1608_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=15.205280Jy sigma=205.550167 ! Fit after self-cal, rms=14.214159Jy sigma=191.045377 ! 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=0.6456 mas, bmaj=2.004 mas, bpa=5.268 degrees ! Estimated noise=1.45499 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 = 10.0161 Jy ! Component: 100 - total flux cleaned = 13.0456 Jy ! Total flux subtracted in 100 components = 13.0456 Jy ! Clean residual min=-0.904079 max=1.451509 Jy/beam ! Clean residual mean=0.000039 rms=0.163956 Jy/beam ! Combined flux in latest and established models = 13.0456 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 13.0456 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=3.609158Jy sigma=44.918058 ! Fit after self-cal, rms=3.609087Jy sigma=44.904580 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.67249 Jy ! Component: 100 - total flux cleaned = 2.61622 Jy ! Total flux subtracted in 100 components = 2.61622 Jy ! Clean residual min=-0.537394 max=0.640822 Jy/beam ! Clean residual mean=-0.000080 rms=0.097881 Jy/beam ! Combined flux in latest and established models = 15.6618 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 15.6618 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=2.165122Jy sigma=27.194124 ! Fit after self-cal, rms=2.165222Jy sigma=27.189168 ! Inverting map ! Added new window around map position (2.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.61562 Jy ! Component: 100 - total flux cleaned = 0.884221 Jy ! Total flux subtracted in 100 components = 0.884221 Jy ! Clean residual min=-0.441896 max=0.506401 Jy/beam ! Clean residual mean=-0.000102 rms=0.083163 Jy/beam ! Combined flux in latest and established models = 16.546 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 16.546 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=1.881874Jy sigma=23.994973 ! Fit after self-cal, rms=1.868657Jy sigma=23.861842 ! 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=0.8252 mas, bmaj=2.216 mas, bpa=3.773 degrees ! Estimated noise=1.10055 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 (5.2, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.705906 Jy ! Component: 100 - total flux cleaned = 1.02831 Jy ! Component: 150 - total flux cleaned = 1.15194 Jy ! Component: 200 - total flux cleaned = 1.14241 Jy ! Total flux subtracted in 200 components = 1.14241 Jy ! Clean residual min=-0.372359 max=0.564878 Jy/beam ! Clean residual mean=-0.000489 rms=0.090564 Jy/beam ! Combined flux in latest and established models = 17.6885 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 46 components and 17.6885 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=1.470019Jy sigma=19.342762 ! Fit after self-cal, rms=1.437218Jy sigma=18.937967 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8252 x 2.216 at 3.773 degrees (North through East) ! Clean map min=-0.3422 max=13.797 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.11 HN 0.90 KP 0.97 ! LA 1.00 MK 1.03 NL 1.04 OV 0.93 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.09 HN 0.90 KP 0.95 ! LA 0.95 MK 1.02 NL 1.01 OV 0.94 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 HN 0.94 KP 1.01 ! LA 1.01 MK 1.03 NL 1.06 OV 1.00 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.07 HN 0.91 KP 0.97 ! LA 0.98 MK 1.04 NL 1.01 OV 0.96 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.10 HN 0.93 KP 1.02 ! LA 1.00 MK 1.08 NL 1.04 OV 0.99 ! PT 0.98 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.09 HN 0.99 KP 1.05 ! LA 1.03 MK 1.06 NL 1.07 OV 1.00 ! PT 0.99 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.07 HN 0.93 KP 1.00 ! LA 1.01 MK 1.08 NL 1.04 OV 0.95 ! PT 0.96 SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.11 HN 0.91 KP 0.96 ! LA 1.01 MK 1.04 NL 1.00 OV 0.93 ! PT 0.95 SC 1.03 ! ! ! Fit before self-cal, rms=1.437218Jy sigma=18.937967 ! Fit after self-cal, rms=0.781373Jy sigma=10.406945 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8331 mas, bmaj=2.213 mas, bpa=3.64 degrees ! Estimated noise=1.10213 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 (-4.6, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.278935 Jy ! Component: 100 - total flux cleaned = 0.313943 Jy ! Component: 150 - total flux cleaned = 0.33642 Jy ! Component: 200 - total flux cleaned = 0.356123 Jy ! Total flux subtracted in 200 components = 0.356123 Jy ! Clean residual min=-0.180895 max=0.248398 Jy/beam ! Clean residual mean=-0.000189 rms=0.044010 Jy/beam ! Combined flux in latest and established models = 18.0446 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 72 components and 18.0446 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=0.606328Jy sigma=7.954409 ! Fit after self-cal, rms=0.605093Jy sigma=7.936992 ! Inverting map ! Added new window around map position (1, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.234638 Jy ! Component: 100 - total flux cleaned = 0.360629 Jy ! Component: 150 - total flux cleaned = 0.433241 Jy ! Component: 200 - total flux cleaned = 0.489458 Jy ! Total flux subtracted in 200 components = 0.489458 Jy ! Clean residual min=-0.151310 max=0.150996 Jy/beam ! Clean residual mean=-0.000096 rms=0.032069 Jy/beam ! Combined flux in latest and established models = 18.534 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 109 components and 18.534 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=0.463726Jy sigma=6.207431 ! Fit after self-cal, rms=0.462555Jy sigma=6.197761 ! 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=0.462555Jy sigma=6.197761 ! Fit after self-cal, rms=0.451113Jy sigma=6.065020 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8331 mas, bmaj=2.213 mas, bpa=3.599 degrees ! Estimated noise=1.09811 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0270393 Jy ! Component: 100 - total flux cleaned = 0.0483598 Jy ! Component: 150 - total flux cleaned = 0.0645968 Jy ! Component: 200 - total flux cleaned = 0.0766686 Jy ! Total flux subtracted in 200 components = 0.0766686 Jy ! Clean residual min=-0.131958 max=0.124603 Jy/beam ! Clean residual mean=-0.000087 rms=0.027215 Jy/beam ! Combined flux in latest and established models = 18.6107 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 124 components and 18.6107 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=0.400163Jy sigma=5.377305 ! Fit after self-cal, rms=0.399774Jy sigma=5.372875 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 = 0.0115289 Jy ! Component: 100 - total flux cleaned = 0.0219466 Jy ! Component: 150 - total flux cleaned = 0.0341512 Jy ! Component: 200 - total flux cleaned = 0.0501046 Jy ! Total flux subtracted in 200 components = 0.0501046 Jy ! Clean residual min=-0.123757 max=0.109739 Jy/beam ! Clean residual mean=-0.000081 rms=0.024851 Jy/beam ! Combined flux in latest and established models = 18.6608 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 132 components and 18.6608 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=0.369586Jy sigma=4.966857 ! Fit after self-cal, rms=0.369332Jy sigma=4.963565 ! 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=0.369332Jy sigma=4.963565 ! Fit after self-cal, rms=0.366002Jy sigma=4.917463 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.833 mas, bmaj=2.214 mas, bpa=3.567 degrees ! Estimated noise=1.09722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0287168 Jy ! Component: 100 - total flux cleaned = -0.0133356 Jy ! Component: 150 - total flux cleaned = -0.00726355 Jy ! Component: 200 - total flux cleaned = 0.000381146 Jy ! Total flux subtracted in 200 components = 0.000381146 Jy ! Clean residual min=-0.109668 max=0.101876 Jy/beam ! Clean residual mean=-0.000080 rms=0.022782 Jy/beam ! Combined flux in latest and established models = 18.6612 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 145 components and 18.6612 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=0.341532Jy sigma=4.588641 ! Fit after self-cal, rms=0.341375Jy sigma=4.583987 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 = 0.0019233 Jy ! Component: 100 - total flux cleaned = 0.00895645 Jy ! Component: 150 - total flux cleaned = 0.017392 Jy ! Component: 200 - total flux cleaned = 0.0254191 Jy ! Total flux subtracted in 200 components = 0.0254191 Jy ! Clean residual min=-0.104461 max=0.098957 Jy/beam ! Clean residual mean=-0.000077 rms=0.021591 Jy/beam ! Combined flux in latest and established models = 18.6866 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 156 components and 18.6866 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=0.325448Jy sigma=4.364937 ! Fit after self-cal, rms=0.325240Jy sigma=4.362729 ! 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=0.325240Jy sigma=4.362729 ! Fit after self-cal, rms=0.323146Jy sigma=4.330785 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.904 mas, bmaj=3.067 mas, bpa=-2.546 degrees ! Estimated noise=1.58452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.031929 Jy ! Component: 100 - total flux cleaned = 0.0459731 Jy ! Component: 150 - total flux cleaned = 0.0631383 Jy ! Component: 200 - total flux cleaned = 0.0761515 Jy ! Total flux subtracted in 200 components = 0.0761515 Jy ! Clean residual min=-0.126176 max=0.152321 Jy/beam ! Clean residual mean=-0.000167 rms=0.037100 Jy/beam ! Combined flux in latest and established models = 18.7628 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 170 components and 18.7628 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=0.306870Jy sigma=4.219682 ! Fit after self-cal, rms=0.306123Jy sigma=4.203570 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 = -0.00121473 Jy ! Component: 100 - total flux cleaned = 0.0142387 Jy ! Component: 150 - total flux cleaned = 0.0229926 Jy ! Component: 200 - total flux cleaned = 0.0278975 Jy ! Total flux subtracted in 200 components = 0.0278975 Jy ! Clean residual min=-0.116067 max=0.138138 Jy/beam ! Clean residual mean=-0.000164 rms=0.034395 Jy/beam ! Combined flux in latest and established models = 18.7907 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 176 components and 18.7907 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=0.299640Jy sigma=4.170183 ! Fit after self-cal, rms=0.299340Jy sigma=4.163914 ! 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=0.833 mas, bmaj=2.214 mas, bpa=3.545 degrees ! Estimated noise=1.09685 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.833 x 2.214 at 3.545 degrees (North through East) ! Clean map min=-0.16279 max=13.787 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=0.299340Jy sigma=4.163914 ! Fit after self-cal, rms=0.280559Jy sigma=3.898252 ! Inverting map and beam ! Estimated beam: bmin=0.8329 mas, bmaj=2.214 mas, bpa=3.527 degrees ! Estimated noise=1.096 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0175347 Jy ! Component: 100 - total flux cleaned = -0.0145226 Jy ! Component: 150 - total flux cleaned = -0.00762084 Jy ! Component: 200 - total flux cleaned = -0.00379231 Jy ! Total flux subtracted in 200 components = -0.00379231 Jy ! Clean residual min=-0.088479 max=0.085739 Jy/beam ! Clean residual mean=-0.000077 rms=0.018016 Jy/beam ! Combined flux in latest and established models = 18.7869 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 191 components and 18.7869 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=0.267450Jy sigma=3.670501 ! Fit after self-cal, rms=0.267216Jy sigma=3.667381 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238765 Jy ! Component: 100 - total flux cleaned = 0.00353521 Jy ! Component: 150 - total flux cleaned = 0.00684398 Jy ! Component: 200 - total flux cleaned = 0.00894031 Jy ! Total flux subtracted in 200 components = 0.00894031 Jy ! Clean residual min=-0.083917 max=0.084910 Jy/beam ! Clean residual mean=-0.000076 rms=0.017564 Jy/beam ! Combined flux in latest and established models = 18.7958 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 198 components and 18.7958 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=0.259445Jy sigma=3.536545 ! Fit after self-cal, rms=0.259166Jy sigma=3.534522 ! Inverting map ! Added new window around map position (-9, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0777436 Jy ! Component: 100 - total flux cleaned = 0.127683 Jy ! Component: 150 - total flux cleaned = 0.157063 Jy ! Component: 200 - total flux cleaned = 0.17108 Jy ! Total flux subtracted in 200 components = 0.17108 Jy ! Clean residual min=-0.080961 max=0.056085 Jy/beam ! Clean residual mean=-0.000047 rms=0.014631 Jy/beam ! Combined flux in latest and established models = 18.9669 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 219 components and 18.9669 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=0.225270Jy sigma=3.093649 ! Fit after self-cal, rms=0.224681Jy sigma=3.082200 ! 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=0.224681Jy sigma=3.082200 ! Fit after self-cal, rms=0.222492Jy sigma=3.058639 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=0.6514 mas, bmaj=1.994 mas, bpa=5.107 degrees ! Estimated noise=1.45666 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 10.0272 Jy ! Component: 100 - total flux cleaned = 12.9697 Jy ! Component: 150 - total flux cleaned = 14.5778 Jy ! Component: 200 - total flux cleaned = 15.4833 Jy ! Total flux subtracted in 200 components = 15.4833 Jy ! Clean residual min=-0.415472 max=0.448078 Jy/beam ! Clean residual mean=-0.000026 rms=0.063958 Jy/beam ! Combined flux in latest and established models = 15.4833 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 15.4833 Jy ! Inverting map and beam ! Estimated beam: bmin=0.833 mas, bmaj=2.214 mas, bpa=3.521 degrees ! Estimated noise=1.09537 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 = 0.691792 Jy ! Component: 100 - total flux cleaned = 1.11361 Jy ! Component: 150 - total flux cleaned = 1.44444 Jy ! Component: 200 - total flux cleaned = 1.72114 Jy ! Total flux subtracted in 200 components = 1.72114 Jy ! Clean residual min=-0.220801 max=0.231010 Jy/beam ! Clean residual mean=-0.000313 rms=0.049033 Jy/beam ! Combined flux in latest and established models = 17.2044 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 36 components and 17.2044 Jy ! Inverting map ! Added new window around map position (-6.2, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.250472 Jy ! Component: 100 - total flux cleaned = 0.452998 Jy ! Component: 150 - total flux cleaned = 0.627934 Jy ! Component: 200 - total flux cleaned = 0.782429 Jy ! Total flux subtracted in 200 components = 0.782429 Jy ! Clean residual min=-0.166901 max=0.149924 Jy/beam ! Clean residual mean=-0.000173 rms=0.033911 Jy/beam ! Combined flux in latest and established models = 17.9868 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 70 components and 17.9868 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=1.905 mas, bmaj=3.067 mas, bpa=-2.547 degrees ! Estimated noise=1.58236 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.245431 Jy ! Component: 100 - total flux cleaned = 0.432349 Jy ! Component: 150 - total flux cleaned = 0.582551 Jy ! Component: 200 - total flux cleaned = 0.687989 Jy ! Total flux subtracted in 200 components = 0.687989 Jy ! Clean residual min=-0.158458 max=0.150499 Jy/beam ! Clean residual mean=-0.000156 rms=0.040903 Jy/beam ! Combined flux in latest and established models = 18.6748 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 = 0.0656241 Jy ! Component: 100 - total flux cleaned = 0.124294 Jy ! Component: 150 - total flux cleaned = 0.176883 Jy ! Component: 200 - total flux cleaned = 0.214996 Jy ! Total flux subtracted in 200 components = 0.214996 Jy ! Clean residual min=-0.131690 max=0.108755 Jy/beam ! Clean residual mean=-0.000083 rms=0.030848 Jy/beam ! Combined flux in latest and established models = 18.8898 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 140 components and 18.8898 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.833 mas, bmaj=2.214 mas, bpa=3.521 degrees ! Estimated noise=1.09537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0263228 Jy ! Component: 100 - total flux cleaned = 0.0535949 Jy ! Component: 150 - total flux cleaned = 0.0740334 Jy ! Component: 200 - total flux cleaned = 0.0846376 Jy ! Total flux subtracted in 200 components = 0.0846376 Jy ! Clean residual min=-0.109363 max=0.081816 Jy/beam ! Clean residual mean=-0.000020 rms=0.018224 Jy/beam ! Combined flux in latest and established models = 18.9744 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 170 components and 18.9744 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=0.282626Jy sigma=4.272392 ! Fit after self-cal, rms=0.277364Jy sigma=4.111192 wmodel J2253+1608_X_map.mod ! Writing 170 model components to file: J2253+1608_X_map.mod wobs J2253+1608_X_uvs.fits ! Writing UV FITS file: J2253+1608_X_uvs.fits wwins J2253+1608_X_map.win ! wwins: Wrote 7 windows to J2253+1608_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 = -0.017366 Jy ! Component: 100 - total flux cleaned = -0.0174029 Jy ! Component: 150 - total flux cleaned = -0.0187512 Jy ! Component: 200 - total flux cleaned = -0.0200028 Jy ! Component: 250 - total flux cleaned = -0.0247568 Jy ! Component: 300 - total flux cleaned = -0.0258448 Jy ! Component: 350 - total flux cleaned = -0.023732 Jy ! Component: 400 - total flux cleaned = -0.0278646 Jy ! Component: 450 - total flux cleaned = -0.0308052 Jy ! Component: 500 - total flux cleaned = -0.0355278 Jy ! Component: 550 - total flux cleaned = -0.0373336 Jy ! Component: 600 - total flux cleaned = -0.0390351 Jy ! Component: 650 - total flux cleaned = -0.0365009 Jy ! Component: 700 - total flux cleaned = -0.0364688 Jy ! Component: 750 - total flux cleaned = -0.0333296 Jy ! Component: 800 - total flux cleaned = -0.0280446 Jy ! Component: 850 - total flux cleaned = -0.0251122 Jy ! Component: 900 - total flux cleaned = -0.021613 Jy ! Component: 950 - total flux cleaned = -0.0202459 Jy ! Component: 1000 - total flux cleaned = -0.0182546 Jy ! Component: 1050 - total flux cleaned = -0.0176046 Jy ! Component: 1100 - total flux cleaned = -0.0156916 Jy ! Component: 1150 - total flux cleaned = -0.0126549 Jy ! Component: 1200 - total flux cleaned = -0.0114919 Jy ! Component: 1250 - total flux cleaned = -0.0109201 Jy ! Component: 1300 - total flux cleaned = -0.0120223 Jy ! Component: 1350 - total flux cleaned = -0.0119922 Jy ! Component: 1400 - total flux cleaned = -0.0119982 Jy ! Component: 1450 - total flux cleaned = -0.0114872 Jy ! Component: 1500 - total flux cleaned = -0.011489 Jy ! Component: 1550 - total flux cleaned = -0.0114892 Jy ! Component: 1600 - total flux cleaned = -0.00959135 Jy ! Component: 1650 - total flux cleaned = -0.0105105 Jy ! Component: 1700 - total flux cleaned = -0.0105074 Jy ! Component: 1750 - total flux cleaned = -0.0118402 Jy ! Component: 1800 - total flux cleaned = -0.0109758 Jy ! Component: 1850 - total flux cleaned = -0.0105691 Jy ! Component: 1900 - total flux cleaned = -0.0118151 Jy ! Component: 1950 - total flux cleaned = -0.0122244 Jy ! Component: 2000 - total flux cleaned = -0.0110332 Jy ! Component: 2050 - total flux cleaned = -0.011806 Jy ! Component: 2100 - total flux cleaned = -0.0121832 Jy ! Component: 2150 - total flux cleaned = -0.0125367 Jy ! Component: 2200 - total flux cleaned = -0.0132562 Jy ! Component: 2250 - total flux cleaned = -0.0139645 Jy ! Component: 2300 - total flux cleaned = -0.01361 Jy ! Component: 2350 - total flux cleaned = -0.0149591 Jy ! Component: 2400 - total flux cleaned = -0.0149562 Jy ! Component: 2450 - total flux cleaned = -0.0165757 Jy ! Component: 2500 - total flux cleaned = -0.0159467 Jy ! Component: 2550 - total flux cleaned = -0.0162581 Jy ! Component: 2600 - total flux cleaned = -0.0174873 Jy ! Component: 2650 - total flux cleaned = -0.0165765 Jy ! Component: 2700 - total flux cleaned = -0.0162843 Jy ! Component: 2750 - total flux cleaned = -0.0157216 Jy ! Component: 2800 - total flux cleaned = -0.0168655 Jy ! Component: 2850 - total flux cleaned = -0.0168526 Jy ! Component: 2900 - total flux cleaned = -0.0179409 Jy ! Component: 2950 - total flux cleaned = -0.0157907 Jy ! Component: 3000 - total flux cleaned = -0.0160633 Jy ! Component: 3050 - total flux cleaned = -0.0165904 Jy ! Component: 3100 - total flux cleaned = -0.0165846 Jy ! Component: 3150 - total flux cleaned = -0.0170907 Jy ! Component: 3200 - total flux cleaned = -0.0173414 Jy ! Component: 3250 - total flux cleaned = -0.0173451 Jy ! Component: 3300 - total flux cleaned = -0.017824 Jy ! Component: 3350 - total flux cleaned = -0.0178232 Jy ! Component: 3400 - total flux cleaned = -0.0182863 Jy ! Component: 3450 - total flux cleaned = -0.0173813 Jy ! Component: 3500 - total flux cleaned = -0.0180546 Jy ! Component: 3550 - total flux cleaned = -0.0180476 Jy ! Component: 3600 - total flux cleaned = -0.0169629 Jy ! Component: 3650 - total flux cleaned = -0.0163229 Jy ! Component: 3700 - total flux cleaned = -0.0161202 Jy ! Component: 3750 - total flux cleaned = -0.0165353 Jy ! Component: 3800 - total flux cleaned = -0.0169378 Jy ! Component: 3850 - total flux cleaned = -0.0155336 Jy ! Component: 3900 - total flux cleaned = -0.0151435 Jy ! Component: 3950 - total flux cleaned = -0.014758 Jy ! Component: 4000 - total flux cleaned = -0.0147588 Jy ! Component: 4050 - total flux cleaned = -0.0147589 Jy ! Total flux subtracted in 4096 components = -0.0143893 Jy ! Clean residual min=-0.009244 max=0.011580 Jy/beam ! Clean residual mean=-0.000009 rms=0.003234 Jy/beam ! Combined flux in latest and established models = 18.9601 Jy keep ! Adding 286 model components to the UV plane model. ! The established model now contains 455 components and 18.9601 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2253+1608_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.833 x 2.214 at 3.521 degrees (North through East) ! Clean map min=-0.082188 max=13.929 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2253+1608_X_map.fits wmodel /vlbi/sb072/temp_maps//J2253+1608_X_map.mod ! Writing 455 model components to file: /vlbi/sb072/temp_maps//J2253+1608_X_map.mod wobs /vlbi/sb072/temp_maps//J2253+1608_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2253+1608_X_uvs.fits wwins /vlbi/sb072/temp_maps//J2253+1608_X_map.win ! wwins: Wrote 8 windows to /vlbi/sb072/temp_maps//J2253+1608_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 13.9295 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00320797 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0690902 0.0690902 0.13818 0.276361 0.552722 1.10544 2.21089 4.42177 8.84355 17.6871 35.3742 70.7484 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0096 print "peak= ", int(1000*peak_flux)/1000 ! peak= 13.929 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4342.15 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2253+1608_X_dfm.log closed on Fri Jan 25 19:57:16 2019