! Started logfile: .//J1111+4857_C_dfm.log on Mon Jan 20 17:55:15 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1111+4857_C_uva.fits ! Reading UV FITS file: .//J1111+4857_C_uva.fits ! AN table 1: 47 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.991489 visibilities/baseline/integration-bin. ! Found source: J1111+4857 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 16776 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1111+4857_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000608Jy sigma=24.011936 ! Fit after self-cal, rms=0.989378Jy sigma=23.741150 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.266 mas, bmaj=4.518 mas, bpa=21.94 degrees ! Estimated noise=0.44728 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 = 0.00879695 Jy ! Component: 100 - total flux cleaned = 0.0107714 Jy ! Total flux subtracted in 100 components = 0.0107714 Jy ! Clean residual min=-0.001400 max=0.001198 Jy/beam ! Clean residual mean=-0.000001 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.0107714 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0107714 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=0.029973Jy sigma=0.703868 ! Fit after self-cal, rms=0.028512Jy sigma=0.667592 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343199 Jy ! Component: 100 - total flux cleaned = 0.00431416 Jy ! Total flux subtracted in 100 components = 0.00431416 Jy ! Clean residual min=-0.001411 max=0.001276 Jy/beam ! Clean residual mean=-0.000000 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.0150856 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.0150856 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=0.028176Jy sigma=0.659247 ! Fit after self-cal, rms=0.028159Jy sigma=0.658910 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.632 mas, bmaj=4.728 mas, bpa=21.23 degrees ! Estimated noise=0.229894 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 = 0.000109521 Jy ! Component: 100 - total flux cleaned = 0.000163368 Jy ! Component: 150 - total flux cleaned = 0.000139454 Jy ! Component: 200 - total flux cleaned = 0.00013256 Jy ! Total flux subtracted in 200 components = 0.00013256 Jy ! Clean residual min=-0.000925 max=0.001016 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0152181 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 33 components and 0.0152181 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=0.028152Jy sigma=0.658723 ! Fit after self-cal, rms=0.028145Jy sigma=0.658604 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.632 x 4.728 at 21.23 degrees (North through East) ! Clean map min=-0.00089449 max=0.015062 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.83 HN 0.93 KP 1.04 ! LA 1.08 MK 0.99 NL 0.85 OV 0.81 ! PT 1.02 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.85 HN 0.90 KP 0.95 ! LA 1.07 MK 1.07 NL 0.80 OV 0.91 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.93 HN 0.98 KP 1.09 ! LA 1.22 MK 0.87 NL 0.93 OV 0.95 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.12 KP 1.10 ! LA 1.14 MK 1.05 NL 0.85 OV 0.86 ! PT 0.82 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.24 HN 1.08 KP 1.17 ! LA 1.22 MK 1.10 NL 0.79 OV 0.98 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 0.93 HN 1.12 KP 1.10 ! LA 1.38 MK 0.99 NL 0.81 OV 1.01 ! PT 1.11 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.05 HN 1.05 KP 1.05 ! LA 1.27 MK 1.04 NL 0.79 OV 1.18 ! PT 1.02 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 1.12 KP 1.09 ! LA 1.10 MK 1.00 NL 0.85 OV 1.06 ! PT 1.09 SC 1.02 ! ! ! Fit before self-cal, rms=0.028145Jy sigma=0.658604 ! Fit after self-cal, rms=0.028293Jy sigma=0.655731 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.632 mas, bmaj=4.771 mas, bpa=21.2 degrees ! Estimated noise=0.228926 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 = -0.000188326 Jy ! Component: 100 - total flux cleaned = -0.000240192 Jy ! Component: 150 - total flux cleaned = -0.000248256 Jy ! Component: 200 - total flux cleaned = -0.000248348 Jy ! Total flux subtracted in 200 components = -0.000248348 Jy ! Clean residual min=-0.000550 max=0.000600 Jy/beam ! Clean residual mean=-0.000000 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.0149698 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 43 components and 0.0149698 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=0.028292Jy sigma=0.655693 ! Fit after self-cal, rms=0.028381Jy sigma=0.654635 ! 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=0.028381Jy sigma=0.654635 ! Fit after self-cal, rms=0.029078Jy sigma=0.654329 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.634 mas, bmaj=4.784 mas, bpa=21.13 degrees ! Estimated noise=0.229321 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.95319e-05 Jy ! Component: 100 - total flux cleaned = -0.000121026 Jy ! Component: 150 - total flux cleaned = -0.000138682 Jy ! Component: 200 - total flux cleaned = -0.000150356 Jy ! Total flux subtracted in 200 components = -0.000150356 Jy ! Clean residual min=-0.000558 max=0.000613 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0148194 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 46 components and 0.0148194 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=0.029076Jy sigma=0.654296 ! Fit after self-cal, rms=0.029139Jy sigma=0.653961 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 (40.5, 68.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000544893 Jy ! Component: 100 - total flux cleaned = 0.000847111 Jy ! Component: 150 - total flux cleaned = 0.0010249 Jy ! Component: 200 - total flux cleaned = 0.00111834 Jy ! Total flux subtracted in 200 components = 0.00111834 Jy ! Clean residual min=-0.000536 max=0.000554 Jy/beam ! Clean residual mean=0.000000 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.0159378 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 0.0159378 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=0.029126Jy sigma=0.653665 ! Fit after self-cal, rms=0.029121Jy sigma=0.653501 ! Inverting map ! Added new window around map position (-0.9, -42.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000629014 Jy ! Component: 100 - total flux cleaned = 0.000824688 Jy ! Component: 150 - total flux cleaned = 0.000945225 Jy ! Component: 200 - total flux cleaned = 0.00103137 Jy ! Total flux subtracted in 200 components = 0.00103137 Jy ! Clean residual min=-0.000520 max=0.000505 Jy/beam ! Clean residual mean=0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.0169691 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 90 components and 0.0169691 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=0.029103Jy sigma=0.653099 ! Fit after self-cal, rms=0.029096Jy sigma=0.652912 ! 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=0.029096Jy sigma=0.652912 ! Fit after self-cal, rms=0.029338Jy sigma=0.652782 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.638 mas, bmaj=4.787 mas, bpa=21.04 degrees ! Estimated noise=0.227967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000489494 Jy ! Component: 100 - total flux cleaned = 0.000681386 Jy ! Component: 150 - total flux cleaned = 0.000807587 Jy ! Component: 200 - total flux cleaned = 0.00086352 Jy ! Total flux subtracted in 200 components = 0.00086352 Jy ! Clean residual min=-0.000513 max=0.000490 Jy/beam ! Clean residual mean=0.000000 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0178327 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 100 components and 0.0178327 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=0.029327Jy sigma=0.652515 ! Fit after self-cal, rms=0.029360Jy sigma=0.652386 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 = 0.000330899 Jy ! Component: 100 - total flux cleaned = 0.000500178 Jy ! Component: 150 - total flux cleaned = 0.000555211 Jy ! Component: 200 - total flux cleaned = 0.000605599 Jy ! Total flux subtracted in 200 components = 0.000605599 Jy ! Clean residual min=-0.000505 max=0.000465 Jy/beam ! Clean residual mean=0.000000 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0184383 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 108 components and 0.0184383 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=0.029352Jy sigma=0.652222 ! Fit after self-cal, rms=0.029353Jy sigma=0.652181 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029353Jy sigma=0.652181 ! Fit after self-cal, rms=0.029612Jy sigma=0.652127 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.414 mas, bmaj=5.328 mas, bpa=15.06 degrees ! Estimated noise=0.285471 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000190377 Jy ! Component: 100 - total flux cleaned = 0.000291124 Jy ! Component: 150 - total flux cleaned = 0.000327148 Jy ! Component: 200 - total flux cleaned = 0.000357443 Jy ! Total flux subtracted in 200 components = 0.000357443 Jy ! Clean residual min=-0.000526 max=0.000494 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0187957 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 125 components and 0.0187957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029609Jy sigma=0.652055 ! Fit after self-cal, rms=0.029626Jy sigma=0.651863 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 = 0.0001874 Jy ! Component: 100 - total flux cleaned = 0.000275569 Jy ! Component: 150 - total flux cleaned = 0.000329647 Jy ! Component: 200 - total flux cleaned = 0.000349976 Jy ! Total flux subtracted in 200 components = 0.000349976 Jy ! Clean residual min=-0.000484 max=0.000485 Jy/beam ! Clean residual mean=0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0191457 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 140 components and 0.0191457 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=0.029624Jy sigma=0.651817 ! Fit after self-cal, rms=0.029624Jy sigma=0.651774 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.641 mas, bmaj=4.784 mas, bpa=21.01 degrees ! Estimated noise=0.228095 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.641 x 4.784 at 21.01 degrees (North through East) ! Clean map min=-0.00053285 max=0.014854 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.279 mas, bmaj=4.577 mas, bpa=21.8 degrees ! Estimated noise=0.44309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011359 Jy ! Component: 100 - total flux cleaned = 0.0140695 Jy ! Component: 150 - total flux cleaned = 0.015426 Jy ! Component: 200 - total flux cleaned = 0.0160782 Jy ! Total flux subtracted in 200 components = 0.0160782 Jy ! Clean residual min=-0.001167 max=0.001205 Jy/beam ! Clean residual mean=0.000000 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.0160782 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 0.0160782 Jy ! Inverting map and beam ! Estimated beam: bmin=1.641 mas, bmaj=4.784 mas, bpa=21.01 degrees ! Estimated noise=0.228095 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 = 0.00100299 Jy ! Component: 100 - total flux cleaned = 0.0015791 Jy ! Component: 150 - total flux cleaned = 0.00200752 Jy ! Component: 200 - total flux cleaned = 0.00229761 Jy ! Total flux subtracted in 200 components = 0.00229761 Jy ! Clean residual min=-0.000597 max=0.000581 Jy/beam ! Clean residual mean=0.000000 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0183758 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 44 components and 0.0183758 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.414 mas, bmaj=5.328 mas, bpa=15.06 degrees ! Estimated noise=0.285471 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000264539 Jy ! Component: 100 - total flux cleaned = 0.000390285 Jy ! Component: 150 - total flux cleaned = 0.000569142 Jy ! Component: 200 - total flux cleaned = 0.00072297 Jy ! Total flux subtracted in 200 components = 0.00072297 Jy ! Clean residual min=-0.000589 max=0.000533 Jy/beam ! Clean residual mean=0.000000 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0190988 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 = 0.000133811 Jy ! Component: 100 - total flux cleaned = 0.000233286 Jy ! Component: 150 - total flux cleaned = 0.000330979 Jy ! Component: 200 - total flux cleaned = 0.000379561 Jy ! Total flux subtracted in 200 components = 0.000379561 Jy ! Clean residual min=-0.000570 max=0.000545 Jy/beam ! Clean residual mean=0.000000 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0194783 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 80 components and 0.0194783 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.641 mas, bmaj=4.784 mas, bpa=21.01 degrees ! Estimated noise=0.228095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.79931e-05 Jy ! Component: 100 - total flux cleaned = 0.000140877 Jy ! Component: 150 - total flux cleaned = 0.000186302 Jy ! Component: 200 - total flux cleaned = 0.000228165 Jy ! Total flux subtracted in 200 components = 0.000228165 Jy ! Clean residual min=-0.000470 max=0.000491 Jy/beam ! Clean residual mean=0.000000 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0197065 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 104 components and 0.0197065 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=0.029629Jy sigma=0.651913 ! Fit after self-cal, rms=0.029624Jy sigma=0.651808 wmodel J1111+4857_C_map.mod ! Writing 104 model components to file: J1111+4857_C_map.mod wobs J1111+4857_C_uvs.fits ! Writing UV FITS file: J1111+4857_C_uvs.fits wwins J1111+4857_C_map.win ! wwins: Wrote 3 windows to J1111+4857_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -6.21263e-05 Jy ! Component: 100 - total flux cleaned = -0.00013573 Jy ! Component: 150 - total flux cleaned = -0.000174722 Jy ! Component: 200 - total flux cleaned = -0.000219887 Jy ! Component: 250 - total flux cleaned = -0.000248939 Jy ! Component: 300 - total flux cleaned = -0.000263209 Jy ! Component: 350 - total flux cleaned = -0.000290928 Jy ! Component: 400 - total flux cleaned = -0.000331226 Jy ! Component: 450 - total flux cleaned = -0.000370629 Jy ! Component: 500 - total flux cleaned = -0.000402731 Jy ! Component: 550 - total flux cleaned = -0.000415276 Jy ! Component: 600 - total flux cleaned = -0.000421453 Jy ! Component: 650 - total flux cleaned = -0.000415538 Jy ! Component: 700 - total flux cleaned = -0.000427458 Jy ! Component: 750 - total flux cleaned = -0.000415799 Jy ! Component: 800 - total flux cleaned = -0.000421367 Jy ! Component: 850 - total flux cleaned = -0.000398672 Jy ! Component: 900 - total flux cleaned = -0.000365448 Jy ! Component: 950 - total flux cleaned = -0.000376398 Jy ! Component: 1000 - total flux cleaned = -0.000360094 Jy ! Component: 1050 - total flux cleaned = -0.000338817 Jy ! Component: 1100 - total flux cleaned = -0.000312649 Jy ! Component: 1150 - total flux cleaned = -0.000317795 Jy ! Component: 1200 - total flux cleaned = -0.000302365 Jy ! Component: 1250 - total flux cleaned = -0.000297248 Jy ! Component: 1300 - total flux cleaned = -0.000297205 Jy ! Component: 1350 - total flux cleaned = -0.000272575 Jy ! Component: 1400 - total flux cleaned = -0.000267655 Jy ! Component: 1450 - total flux cleaned = -0.000262779 Jy ! Component: 1500 - total flux cleaned = -0.000229439 Jy ! Component: 1550 - total flux cleaned = -0.000220073 Jy ! Component: 1600 - total flux cleaned = -0.000206017 Jy ! Component: 1650 - total flux cleaned = -0.000182989 Jy ! Component: 1700 - total flux cleaned = -0.000173843 Jy ! Component: 1750 - total flux cleaned = -0.000169241 Jy ! Component: 1800 - total flux cleaned = -0.000160258 Jy ! Component: 1850 - total flux cleaned = -0.000151349 Jy ! Component: 1900 - total flux cleaned = -0.00014696 Jy ! Component: 1950 - total flux cleaned = -0.000155731 Jy ! Component: 2000 - total flux cleaned = -0.000155744 Jy ! Component: 2050 - total flux cleaned = -0.000151481 Jy ! Component: 2100 - total flux cleaned = -0.000168492 Jy ! Component: 2150 - total flux cleaned = -0.000155816 Jy ! Component: 2200 - total flux cleaned = -0.000147383 Jy ! Component: 2250 - total flux cleaned = -0.000151491 Jy ! Component: 2300 - total flux cleaned = -0.000147383 Jy ! Component: 2350 - total flux cleaned = -0.000155553 Jy ! Component: 2400 - total flux cleaned = -0.000151482 Jy ! Component: 2450 - total flux cleaned = -0.000147461 Jy ! Component: 2500 - total flux cleaned = -0.000163542 Jy ! Component: 2550 - total flux cleaned = -0.000163554 Jy ! Component: 2600 - total flux cleaned = -0.000167539 Jy ! Component: 2650 - total flux cleaned = -0.000179361 Jy ! Component: 2700 - total flux cleaned = -0.000187171 Jy ! Component: 2750 - total flux cleaned = -0.000202666 Jy ! Component: 2800 - total flux cleaned = -0.000191097 Jy ! Component: 2850 - total flux cleaned = -0.000194948 Jy ! Component: 2900 - total flux cleaned = -0.000202561 Jy ! Component: 2950 - total flux cleaned = -0.000206349 Jy ! Component: 3000 - total flux cleaned = -0.000217641 Jy ! Component: 3050 - total flux cleaned = -0.000206406 Jy ! Component: 3100 - total flux cleaned = -0.000232425 Jy ! Component: 3150 - total flux cleaned = -0.00022502 Jy ! Component: 3200 - total flux cleaned = -0.000236003 Jy ! Component: 3250 - total flux cleaned = -0.000228636 Jy ! Component: 3300 - total flux cleaned = -0.000228646 Jy ! Component: 3350 - total flux cleaned = -0.000232262 Jy ! Component: 3400 - total flux cleaned = -0.000235838 Jy ! Component: 3450 - total flux cleaned = -0.000228706 Jy ! Component: 3500 - total flux cleaned = -0.000257137 Jy ! Component: 3550 - total flux cleaned = -0.000239439 Jy ! Component: 3600 - total flux cleaned = -0.000242922 Jy ! Component: 3650 - total flux cleaned = -0.000242934 Jy ! Component: 3700 - total flux cleaned = -0.000239466 Jy ! Component: 3750 - total flux cleaned = -0.00023949 Jy ! Component: 3800 - total flux cleaned = -0.000239496 Jy ! Component: 3850 - total flux cleaned = -0.000239518 Jy ! Component: 3900 - total flux cleaned = -0.000249744 Jy ! Component: 3950 - total flux cleaned = -0.000253114 Jy ! Component: 4000 - total flux cleaned = -0.000263254 Jy ! Component: 4050 - total flux cleaned = -0.000266569 Jy ! Total flux subtracted in 4096 components = -0.000253166 Jy ! Clean residual min=-0.000190 max=0.000183 Jy/beam ! Clean residual mean=0.000000 rms=0.000060 Jy/beam ! Combined flux in latest and established models = 0.0194533 Jy keep ! Adding 260 model components to the UV plane model. ! The established model now contains 364 components and 0.0194533 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1111+4857_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.641 x 4.784 at 21.01 degrees (North through East) ! Clean map min=-0.00050373 max=0.014681 Jy/beam ! Writing clean map to FITS file: .//J1111+4857_C_map.fits wmodel .//J1111+4857_C_map.mod ! Writing 364 model components to file: .//J1111+4857_C_map.mod wobs .//J1111+4857_C_uvs.fits ! Writing UV FITS file: .//J1111+4857_C_uvs.fits wwins .//J1111+4857_C_map.win ! wwins: Wrote 4 windows to .//J1111+4857_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.014681 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.9432e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.21447 1.21447 2.42894 4.85787 9.71575 19.4315 38.863 77.726 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.014 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 247.021 quit ! Quitting program ! Log file .//J1111+4857_C_dfm.log closed on Mon Jan 20 17:55:19 2020