! Started logfile: /vlbi/bs262/maps//J0812+5554_X_20180503_dfm.log on Mon Jun 4 23:25:54 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 /vlbi/bs262/maps//J0812+5554_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0812+5554_X_20180503_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0812+5554 ! ! 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 32400 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 J0812+5554_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=1.000569Jy sigma=26.399707 ! Fit after self-cal, rms=0.991302Jy sigma=26.151651 ! 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=0.6698 mas, bmaj=2.665 mas, bpa=3.977 degrees ! Estimated noise=0.370495 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 = 0.00766927 Jy ! Component: 100 - total flux cleaned = 0.00921782 Jy ! Total flux subtracted in 100 components = 0.00921782 Jy ! Clean residual min=-0.000960 max=0.001237 Jy/beam ! Clean residual mean=-0.000000 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.00921782 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.00921782 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=0.026748Jy sigma=0.681579 ! Fit after self-cal, rms=0.025245Jy sigma=0.640833 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00344516 Jy ! Component: 100 - total flux cleaned = 0.00392071 Jy ! Total flux subtracted in 100 components = 0.00392071 Jy ! Clean residual min=-0.000991 max=0.001113 Jy/beam ! Clean residual mean=0.000000 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0131385 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0131385 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=0.024922Jy sigma=0.631901 ! Fit after self-cal, rms=0.024915Jy sigma=0.631756 ! 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=0.897 mas, bmaj=2.811 mas, bpa=3.623 degrees ! Estimated noise=0.151367 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 = -0.000136716 Jy ! Component: 100 - total flux cleaned = -0.000219911 Jy ! Component: 150 - total flux cleaned = -0.000238624 Jy ! Component: 200 - total flux cleaned = -0.000265377 Jy ! Total flux subtracted in 200 components = -0.000265377 Jy ! Clean residual min=-0.000495 max=0.000694 Jy/beam ! Clean residual mean=-0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0128731 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 17 components and 0.0128731 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=0.024908Jy sigma=0.631646 ! Fit after self-cal, rms=0.024901Jy sigma=0.631520 ! Inverting map ! Added new window around map position (-2.8, -13.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000360837 Jy ! Component: 100 - total flux cleaned = 0.000285506 Jy ! Component: 150 - total flux cleaned = 0.000190774 Jy ! Component: 200 - total flux cleaned = 0.000109693 Jy ! Total flux subtracted in 200 components = 0.000109693 Jy ! Clean residual min=-0.000487 max=0.000510 Jy/beam ! Clean residual mean=-0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.0129828 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 0.0129828 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=0.024884Jy sigma=0.631118 ! Fit after self-cal, rms=0.024873Jy sigma=0.630872 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.897 x 2.811 at 3.623 degrees (North through East) ! Clean map min=-0.00045676 max=0.013161 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.11 HN 0.93 KP 0.80 ! LA 1.03 MK 0.96 NL 1.22 OV 1.06 ! PT 1.10 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.20 HN 1.00 KP 1.01 ! LA 1.02 MK 0.95 NL 1.00 OV 0.94 ! PT 1.12 SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.95 HN 0.94 KP 0.98 ! LA 0.95 MK 1.00 NL 1.20 OV 1.03 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.06 HN 0.92 KP 1.00 ! LA 0.97 MK 0.96 NL 1.09 OV 1.06 ! PT 1.14 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.93 HN 0.94 KP 0.97 ! LA 1.00 MK 0.98 NL 0.98 OV 1.06 ! PT 1.10 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.88 HN 0.96 KP 0.93 ! LA 0.92 MK 1.09 NL 1.08 OV 1.00 ! PT 1.11 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.85 KP 1.06 ! LA 0.96 MK 0.92 NL 1.22 OV 1.07 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.91 HN 0.97 KP 1.08 ! LA 0.89 MK 1.01 NL 1.27 OV 1.17 ! PT 0.99 SC 0.89 ! ! ! Fit before self-cal, rms=0.024873Jy sigma=0.630872 ! Fit after self-cal, rms=0.025148Jy sigma=0.629539 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8898 mas, bmaj=2.778 mas, bpa=3.533 degrees ! Estimated noise=0.151839 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 = -8.67591e-05 Jy ! Component: 100 - total flux cleaned = -0.000170588 Jy ! Component: 150 - total flux cleaned = -0.000220794 Jy ! Component: 200 - total flux cleaned = -0.000243461 Jy ! Total flux subtracted in 200 components = -0.000243461 Jy ! Clean residual min=-0.000356 max=0.000368 Jy/beam ! Clean residual mean=-0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0127394 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.0127394 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=0.025143Jy sigma=0.629428 ! Fit after self-cal, rms=0.025198Jy sigma=0.628810 ! 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=0.025198Jy sigma=0.628810 ! Fit after self-cal, rms=0.025697Jy sigma=0.628630 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8873 mas, bmaj=2.766 mas, bpa=3.515 degrees ! Estimated noise=0.152902 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.4327e-05 Jy ! Component: 100 - total flux cleaned = -0.00014457 Jy ! Component: 150 - total flux cleaned = -0.000169871 Jy ! Component: 200 - total flux cleaned = -0.000178316 Jy ! Total flux subtracted in 200 components = -0.000178316 Jy ! Clean residual min=-0.000342 max=0.000350 Jy/beam ! Clean residual mean=-0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0125611 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.0125611 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=0.025693Jy sigma=0.628555 ! Fit after self-cal, rms=0.025724Jy sigma=0.628359 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 = -6.78133e-05 Jy ! Component: 100 - total flux cleaned = -0.000107488 Jy ! Component: 150 - total flux cleaned = -0.000146977 Jy ! Component: 200 - total flux cleaned = -0.000181785 Jy ! Total flux subtracted in 200 components = -0.000181785 Jy ! Clean residual min=-0.000355 max=0.000353 Jy/beam ! Clean residual mean=-0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0123793 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 0.0123793 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=0.025721Jy sigma=0.628310 ! Fit after self-cal, rms=0.025723Jy sigma=0.628272 ! 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=0.025723Jy sigma=0.628272 ! Fit after self-cal, rms=0.025998Jy sigma=0.628229 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8864 mas, bmaj=2.76 mas, bpa=3.547 degrees ! Estimated noise=0.153545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.87343e-05 Jy ! Component: 100 - total flux cleaned = -4.9549e-05 Jy ! Component: 150 - total flux cleaned = -4.9683e-05 Jy ! Component: 200 - total flux cleaned = -5.36267e-05 Jy ! Total flux subtracted in 200 components = -5.36267e-05 Jy ! Clean residual min=-0.000334 max=0.000351 Jy/beam ! Clean residual mean=-0.000000 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0123257 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.0123257 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=0.025996Jy sigma=0.628190 ! Fit after self-cal, rms=0.026012Jy sigma=0.628121 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 = -1.85642e-05 Jy ! Component: 100 - total flux cleaned = -5.12702e-05 Jy ! Component: 150 - total flux cleaned = -6.38836e-05 Jy ! Component: 200 - total flux cleaned = -7.94329e-05 Jy ! Total flux subtracted in 200 components = -7.94329e-05 Jy ! Clean residual min=-0.000330 max=0.000346 Jy/beam ! Clean residual mean=-0.000000 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0122462 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.0122462 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=0.026010Jy sigma=0.628089 ! Fit after self-cal, rms=0.026009Jy sigma=0.628030 ! 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=0.026009Jy sigma=0.628030 ! Fit after self-cal, rms=0.026170Jy sigma=0.628015 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.006 mas, bmaj=2.989 mas, bpa=2.561 degrees ! Estimated noise=0.196931 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.42664e-06 Jy ! Component: 100 - total flux cleaned = 1.90932e-05 Jy ! Component: 150 - total flux cleaned = 1.54301e-05 Jy ! Component: 200 - total flux cleaned = 1.55305e-05 Jy ! Total flux subtracted in 200 components = 1.55305e-05 Jy ! Clean residual min=-0.000395 max=0.000436 Jy/beam ! Clean residual mean=-0.000001 rms=0.000105 Jy/beam ! Combined flux in latest and established models = 0.0122617 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.0122617 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=0.026169Jy sigma=0.628005 ! Fit after self-cal, rms=0.026178Jy sigma=0.627953 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 = -1.98636e-05 Jy ! Component: 100 - total flux cleaned = -1.67606e-05 Jy ! Component: 150 - total flux cleaned = -2.53946e-05 Jy ! Component: 200 - total flux cleaned = -3.30841e-05 Jy ! Total flux subtracted in 200 components = -3.30841e-05 Jy ! Clean residual min=-0.000400 max=0.000416 Jy/beam ! Clean residual mean=-0.000001 rms=0.000103 Jy/beam ! Combined flux in latest and established models = 0.0122287 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 86 components and 0.0122287 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=0.026178Jy sigma=0.627948 ! Fit after self-cal, rms=0.026177Jy sigma=0.627925 ! 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=0.8856 mas, bmaj=2.757 mas, bpa=3.598 degrees ! Estimated noise=0.154014 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8856 x 2.757 at 3.598 degrees (North through East) ! Clean map min=-0.001028 max=0.013077 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=0.662 mas, bmaj=2.601 mas, bpa=3.859 degrees ! Estimated noise=0.369314 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105927 Jy ! Component: 100 - total flux cleaned = 0.0124809 Jy ! Component: 150 - total flux cleaned = 0.0127953 Jy ! Component: 200 - total flux cleaned = 0.0129692 Jy ! Total flux subtracted in 200 components = 0.0129692 Jy ! Clean residual min=-0.000960 max=0.000845 Jy/beam ! Clean residual mean=0.000000 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0129692 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0129692 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8856 mas, bmaj=2.757 mas, bpa=3.598 degrees ! Estimated noise=0.154014 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 (0.6, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000220224 Jy ! Component: 100 - total flux cleaned = 5.94897e-05 Jy ! Component: 150 - total flux cleaned = -8.99594e-05 Jy ! Component: 200 - total flux cleaned = -0.000202981 Jy ! Total flux subtracted in 200 components = -0.000202981 Jy ! Clean residual min=-0.000381 max=0.000381 Jy/beam ! Clean residual mean=-0.000000 rms=0.000095 Jy/beam ! Combined flux in latest and established models = 0.0127662 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 32 components and 0.0127662 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=2.006 mas, bmaj=2.989 mas, bpa=2.561 degrees ! Estimated noise=0.196931 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000262539 Jy ! Component: 100 - total flux cleaned = -0.000380576 Jy ! Component: 150 - total flux cleaned = -0.00047065 Jy ! Component: 200 - total flux cleaned = -0.000502694 Jy ! Total flux subtracted in 200 components = -0.000502694 Jy ! Clean residual min=-0.000400 max=0.000413 Jy/beam ! Clean residual mean=-0.000001 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0122635 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 = -9.34547e-06 Jy ! Component: 100 - total flux cleaned = -9.47092e-06 Jy ! Component: 150 - total flux cleaned = -1.33946e-05 Jy ! Component: 200 - total flux cleaned = -1.00057e-05 Jy ! Total flux subtracted in 200 components = -1.00057e-05 Jy ! Clean residual min=-0.000400 max=0.000410 Jy/beam ! Clean residual mean=-0.000001 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.0122535 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 60 components and 0.0122535 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8856 mas, bmaj=2.757 mas, bpa=3.598 degrees ! Estimated noise=0.154014 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.98094e-06 Jy ! Component: 100 - total flux cleaned = -4.17917e-06 Jy ! Component: 150 - total flux cleaned = -4.40437e-06 Jy ! Component: 200 - total flux cleaned = 3.82159e-07 Jy ! Total flux subtracted in 200 components = 3.82159e-07 Jy ! Clean residual min=-0.000324 max=0.000358 Jy/beam ! Clean residual mean=-0.000000 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0122539 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 78 components and 0.0122539 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=0.026177Jy sigma=0.627930 ! Fit after self-cal, rms=0.026180Jy sigma=0.627897 wmodel J0812+5554_X_map.mod ! Writing 78 model components to file: J0812+5554_X_map.mod wobs J0812+5554_X_uvs.fits ! Writing UV FITS file: J0812+5554_X_uvs.fits wwins J0812+5554_X_map.win ! wwins: Wrote 3 windows to J0812+5554_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 = 9.79724e-05 Jy ! Component: 100 - total flux cleaned = 0.000165323 Jy ! Component: 150 - total flux cleaned = 0.000217904 Jy ! Component: 200 - total flux cleaned = 0.000240418 Jy ! Component: 250 - total flux cleaned = 0.000284087 Jy ! Component: 300 - total flux cleaned = 0.000326431 Jy ! Component: 350 - total flux cleaned = 0.00036256 Jy ! Component: 400 - total flux cleaned = 0.000392983 Jy ! Component: 450 - total flux cleaned = 0.000422705 Jy ! Component: 500 - total flux cleaned = 0.000437295 Jy ! Component: 550 - total flux cleaned = 0.000466118 Jy ! Component: 600 - total flux cleaned = 0.000517838 Jy ! Component: 650 - total flux cleaned = 0.00054081 Jy ! Component: 700 - total flux cleaned = 0.000558985 Jy ! Component: 750 - total flux cleaned = 0.000585809 Jy ! Component: 800 - total flux cleaned = 0.000603464 Jy ! Component: 850 - total flux cleaned = 0.000625249 Jy ! Component: 900 - total flux cleaned = 0.000650889 Jy ! Component: 950 - total flux cleaned = 0.000663525 Jy ! Component: 1000 - total flux cleaned = 0.000680146 Jy ! Component: 1050 - total flux cleaned = 0.000688378 Jy ! Component: 1100 - total flux cleaned = 0.000704601 Jy ! Component: 1150 - total flux cleaned = 0.00072062 Jy ! Component: 1200 - total flux cleaned = 0.000728564 Jy ! Component: 1250 - total flux cleaned = 0.000744175 Jy ! Component: 1300 - total flux cleaned = 0.000755693 Jy ! Component: 1350 - total flux cleaned = 0.000759477 Jy ! Component: 1400 - total flux cleaned = 0.000751935 Jy ! Component: 1450 - total flux cleaned = 0.000759411 Jy ! Component: 1500 - total flux cleaned = 0.000748374 Jy ! Component: 1550 - total flux cleaned = 0.000759324 Jy ! Component: 1600 - total flux cleaned = 0.000777276 Jy ! Component: 1650 - total flux cleaned = 0.000784305 Jy ! Component: 1700 - total flux cleaned = 0.000791336 Jy ! Component: 1750 - total flux cleaned = 0.000794849 Jy ! Component: 1800 - total flux cleaned = 0.000808696 Jy ! Component: 1850 - total flux cleaned = 0.000798422 Jy ! Component: 1900 - total flux cleaned = 0.00081879 Jy ! Component: 1950 - total flux cleaned = 0.000825456 Jy ! Component: 2000 - total flux cleaned = 0.000832118 Jy ! Component: 2050 - total flux cleaned = 0.0008387 Jy ! Component: 2100 - total flux cleaned = 0.000851805 Jy ! Component: 2150 - total flux cleaned = 0.00085184 Jy ! Component: 2200 - total flux cleaned = 0.000871186 Jy ! Component: 2250 - total flux cleaned = 0.000880769 Jy ! Component: 2300 - total flux cleaned = 0.000893486 Jy ! Component: 2350 - total flux cleaned = 0.000912388 Jy ! Component: 2400 - total flux cleaned = 0.000915503 Jy ! Component: 2450 - total flux cleaned = 0.000927921 Jy ! Component: 2500 - total flux cleaned = 0.000937199 Jy ! Component: 2550 - total flux cleaned = 0.000946372 Jy ! Component: 2600 - total flux cleaned = 0.000949429 Jy ! Component: 2650 - total flux cleaned = 0.000961565 Jy ! Component: 2700 - total flux cleaned = 0.000958566 Jy ! Component: 2750 - total flux cleaned = 0.000967526 Jy ! Component: 2800 - total flux cleaned = 0.000970494 Jy ! Component: 2850 - total flux cleaned = 0.000961641 Jy ! Component: 2900 - total flux cleaned = 0.000979254 Jy ! Component: 2950 - total flux cleaned = 0.000985063 Jy ! Component: 3000 - total flux cleaned = 0.000985042 Jy ! Component: 3050 - total flux cleaned = 0.000982189 Jy ! Component: 3100 - total flux cleaned = 0.000993676 Jy ! Component: 3150 - total flux cleaned = 0.000993678 Jy ! Component: 3200 - total flux cleaned = 0.000999321 Jy ! Component: 3250 - total flux cleaned = 0.000999333 Jy ! Component: 3300 - total flux cleaned = 0.00100493 Jy ! Component: 3350 - total flux cleaned = 0.00101608 Jy ! Component: 3400 - total flux cleaned = 0.00102439 Jy ! Component: 3450 - total flux cleaned = 0.00102163 Jy ! Component: 3500 - total flux cleaned = 0.00102438 Jy ! Component: 3550 - total flux cleaned = 0.00103532 Jy ! Component: 3600 - total flux cleaned = 0.00104076 Jy ! Component: 3650 - total flux cleaned = 0.00105425 Jy ! Component: 3700 - total flux cleaned = 0.00105156 Jy ! Component: 3750 - total flux cleaned = 0.00105423 Jy ! Component: 3800 - total flux cleaned = 0.00105957 Jy ! Component: 3850 - total flux cleaned = 0.0010781 Jy ! Component: 3900 - total flux cleaned = 0.00107811 Jy ! Component: 3950 - total flux cleaned = 0.00108337 Jy ! Component: 4000 - total flux cleaned = 0.00109382 Jy ! Component: 4050 - total flux cleaned = 0.00110419 Jy ! Total flux subtracted in 4096 components = 0.00110418 Jy ! Clean residual min=-0.000183 max=0.000193 Jy/beam ! Clean residual mean=-0.000000 rms=0.000046 Jy/beam ! Combined flux in latest and established models = 0.0133581 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 377 components and 0.0133581 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0812+5554_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8856 x 2.757 at 3.598 degrees (North through East) ! Clean map min=-0.0010171 max=0.012859 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0812+5554_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0812+5554_X_20180503_map.mod ! Writing 377 model components to file: /vlbi/bs262/maps//J0812+5554_X_20180503_map.mod wobs /vlbi/bs262/maps//J0812+5554_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0812+5554_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0812+5554_X_20180503_map.win ! wwins: Wrote 4 windows to /vlbi/bs262/maps//J0812+5554_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0128591 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.58815e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.07041 1.07041 2.14081 4.28163 8.56325 17.1265 34.253 68.506 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.012 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 280.267 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0812+5554_X_20180503_dfm.log closed on Mon Jun 4 23:26:00 2018