! Started logfile: /image_prod/ug002_uva//J1257+7958_X_dfm.log on Thu Mar 5 00:54:53 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1257+7958_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1257+7958_X_uva.fits ! AN table 1: 25 integrations on 28 of 28 possible baselines. ! AN table 2: 75 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.7225 visibilities/baseline/integration-bin. ! Found source: J1257+7958 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 24276 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J1257+7958_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. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 125 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.003506Jy sigma=8.605372 ! Fit after self-cal, rms=0.950633Jy sigma=8.153422 ! 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=0.6494 mas, bmaj=0.9656 mas, bpa=87.88 degrees ! Estimated noise=1.1458 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 = 0.0391663 Jy ! Component: 100 - total flux cleaned = 0.0481966 Jy ! Total flux subtracted in 100 components = 0.0481966 Jy ! Clean residual min=-0.003066 max=0.003465 Jy/beam ! Clean residual mean=-0.000000 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 0.0481966 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0481966 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061106Jy sigma=0.496241 ! Fit after self-cal, rms=0.059859Jy sigma=0.485812 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00472236 Jy ! Component: 100 - total flux cleaned = 0.00616975 Jy ! Total flux subtracted in 100 components = 0.00616975 Jy ! Clean residual min=-0.003024 max=0.002943 Jy/beam ! Clean residual mean=0.000000 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.0543664 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0543664 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059523Jy sigma=0.482434 ! Fit after self-cal, rms=0.059528Jy sigma=0.482378 ! 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=0.8199 mas, bmaj=1.248 mas, bpa=89.64 degrees ! Estimated noise=0.535852 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 (-1.6, -7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328435 Jy ! Component: 100 - total flux cleaned = 0.00468538 Jy ! Component: 150 - total flux cleaned = 0.00512436 Jy ! Component: 200 - total flux cleaned = 0.00550364 Jy ! Total flux subtracted in 200 components = 0.00550364 Jy ! Clean residual min=-0.002861 max=0.002490 Jy/beam ! Clean residual mean=-0.000002 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.05987 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 21 components and 0.05987 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059311Jy sigma=0.480402 ! Fit after self-cal, rms=0.059247Jy sigma=0.479995 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8199 x 1.248 at 89.64 degrees (North through East) ! Clean map min=-0.0026589 max=0.053158 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.94 HN 1.10 LA 0.91 ! MK 1.15 NL 1.24 OV 0.80 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 HN 1.02 KP 1.12 LA 1.02 ! MK 1.15 NL 1.29 OV 0.93 SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.96 HN 1.09 LA 0.91 ! MK 1.13 NL 1.19 OV 0.97 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.06 HN 1.03 KP 1.10 LA 1.05 ! MK 1.06 NL 1.22 OV 0.89 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HN 1.05 LA 0.91 ! MK 1.18 NL 1.14 OV 0.85 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.00 HN 0.99 KP 1.22 LA 1.07 ! MK 1.06 NL 1.29 OV 0.92 SC 0.85 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.10 HN 1.01 LA 0.93 ! MK 0.99 NL 1.15 OV 0.87 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 0.95 KP 1.33 LA 1.03 ! MK 1.08 NL 1.24 OV 0.93 SC 0.87 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.12 LA 0.91 ! MK 0.98 NL 1.20 OV 0.93 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 HN 1.00 KP 1.13 LA 1.08 ! MK 1.02 NL 1.31 OV 0.87 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 1.09 LA 0.90 ! MK 1.13 NL 1.13 OV 0.80 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 HN 0.95 KP 1.18 LA 0.97 ! MK 1.04 NL 1.28 OV 0.88 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 0.90 LA 0.87 ! MK 1.03 NL 1.24 OV 0.97 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 0.92 KP 1.15 LA 0.97 ! MK 1.13 NL 1.29 OV 0.90 SC 0.88 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 HN 0.95 LA 0.91 ! MK 1.25 NL 1.13 OV 0.84 SC 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.01 KP 1.15 LA 1.09 ! MK 1.08 NL 1.34 OV 0.88 SC 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HN 1.00 LA 0.83 ! MK 1.15 NL 1.17 OV 0.91 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.02 HN 0.99 KP 1.17 LA 0.95 ! MK 1.06 NL 1.21 OV 0.92 SC 0.87 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.07 HN 0.92 LA 0.94 ! MK 0.99 NL 1.15 OV 0.80 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 HN 1.01 KP 1.27 LA 1.03 ! MK 1.09 NL 1.21 OV 0.90 SC 0.83 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 HN 1.05 LA 0.91 ! MK 1.00 NL 1.24 OV 0.85 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.01 HN 0.98 KP 1.16 LA 1.02 ! MK 0.98 NL 1.33 OV 0.84 SC 0.84 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.01 LA 0.99 ! MK 0.84 NL 1.13 OV 0.91 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 HN 0.86 KP 1.27 LA 1.07 ! MK 0.98 NL 1.19 OV 0.94 SC 0.77 ! ! ! Fit before self-cal, rms=0.059247Jy sigma=0.479995 ! Fit after self-cal, rms=0.057207Jy sigma=0.474864 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.826 mas, bmaj=1.217 mas, bpa=89.27 degrees ! Estimated noise=0.52584 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 = 0.00104576 Jy ! Component: 100 - total flux cleaned = 0.00132898 Jy ! Component: 150 - total flux cleaned = 0.00135537 Jy ! Component: 200 - total flux cleaned = 0.00140087 Jy ! Total flux subtracted in 200 components = 0.00140087 Jy ! Clean residual min=-0.001565 max=0.001783 Jy/beam ! Clean residual mean=-0.000002 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.0612709 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.0612709 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057176Jy sigma=0.474554 ! Fit after self-cal, rms=0.057302Jy sigma=0.473913 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057302Jy sigma=0.473913 ! Fit after self-cal, rms=0.059207Jy sigma=0.472127 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8253 mas, bmaj=1.215 mas, bpa=89.77 degrees ! Estimated noise=0.527276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000700526 Jy ! Component: 100 - total flux cleaned = 0.000933458 Jy ! Component: 150 - total flux cleaned = 0.0011013 Jy ! Component: 200 - total flux cleaned = 0.00123867 Jy ! Total flux subtracted in 200 components = 0.00123867 Jy ! Clean residual min=-0.001288 max=0.001703 Jy/beam ! Clean residual mean=-0.000001 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0625095 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 41 components and 0.0625095 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059192Jy sigma=0.471951 ! Fit after self-cal, rms=0.059326Jy sigma=0.471729 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 (-0.4, -3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142065 Jy ! Component: 100 - total flux cleaned = 0.00215714 Jy ! Component: 150 - total flux cleaned = 0.00271589 Jy ! Component: 200 - total flux cleaned = 0.00315905 Jy ! Total flux subtracted in 200 components = 0.00315905 Jy ! Clean residual min=-0.001080 max=0.001034 Jy/beam ! Clean residual mean=-0.000001 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0656686 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 54 components and 0.0656686 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059294Jy sigma=0.471321 ! Fit after self-cal, rms=0.059275Jy sigma=0.471242 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059275Jy sigma=0.471242 ! Fit after self-cal, rms=0.059666Jy sigma=0.471159 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8251 mas, bmaj=1.216 mas, bpa=89.88 degrees ! Estimated noise=0.525832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000796464 Jy ! Component: 100 - total flux cleaned = 0.00131192 Jy ! Component: 150 - total flux cleaned = 0.00171991 Jy ! Component: 200 - total flux cleaned = 0.00200737 Jy ! Total flux subtracted in 200 components = 0.00200737 Jy ! Clean residual min=-0.001063 max=0.000946 Jy/beam ! Clean residual mean=-0.000000 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.067676 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 58 components and 0.067676 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059654Jy sigma=0.471008 ! Fit after self-cal, rms=0.059678Jy sigma=0.470982 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 = 0.000401263 Jy ! Component: 100 - total flux cleaned = 0.00062648 Jy ! Component: 150 - total flux cleaned = 0.000747327 Jy ! Component: 200 - total flux cleaned = 0.000798083 Jy ! Total flux subtracted in 200 components = 0.000798083 Jy ! Clean residual min=-0.001071 max=0.000956 Jy/beam ! Clean residual mean=-0.000000 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0684741 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 0.0684741 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059675Jy sigma=0.470934 ! Fit after self-cal, rms=0.059671Jy sigma=0.470930 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059671Jy sigma=0.470930 ! Fit after self-cal, rms=0.059797Jy sigma=0.470903 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.945 mas, bmaj=2.634 mas, bpa=86.22 degrees ! Estimated noise=0.746309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000876953 Jy ! Component: 100 - total flux cleaned = 0.00138369 Jy ! Component: 150 - total flux cleaned = 0.00153362 Jy ! Component: 200 - total flux cleaned = 0.00157289 Jy ! Total flux subtracted in 200 components = 0.00157289 Jy ! Clean residual min=-0.001219 max=0.001060 Jy/beam ! Clean residual mean=0.000000 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.070047 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 74 components and 0.070047 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059800Jy sigma=0.470923 ! Fit after self-cal, rms=0.059808Jy sigma=0.470890 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 = 0.00035522 Jy ! Component: 100 - total flux cleaned = 0.000377678 Jy ! Component: 150 - total flux cleaned = 0.000351401 Jy ! Component: 200 - total flux cleaned = 0.000336145 Jy ! Total flux subtracted in 200 components = 0.000336145 Jy ! Clean residual min=-0.001213 max=0.001026 Jy/beam ! Clean residual mean=0.000000 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.0703831 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 79 components and 0.0703831 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059811Jy sigma=0.470926 ! Fit after self-cal, rms=0.059809Jy sigma=0.470917 ! 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=0.8249 mas, bmaj=1.216 mas, bpa=89.95 degrees ! Estimated noise=0.52548 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8249 x 1.216 at 89.95 degrees (North through East) ! Clean map min=-0.00092123 max=0.052251 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=0.6552 mas, bmaj=0.9555 mas, bpa=88.47 degrees ! Estimated noise=1.1163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0391737 Jy ! Component: 100 - total flux cleaned = 0.0483007 Jy ! Component: 150 - total flux cleaned = 0.0526319 Jy ! Component: 200 - total flux cleaned = 0.0556003 Jy ! Total flux subtracted in 200 components = 0.0556003 Jy ! Clean residual min=-0.002449 max=0.002364 Jy/beam ! Clean residual mean=0.000000 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.0556003 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0556003 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8249 mas, bmaj=1.216 mas, bpa=89.95 degrees ! Estimated noise=0.52548 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 = 0.00316164 Jy ! Component: 100 - total flux cleaned = 0.00530203 Jy ! Component: 150 - total flux cleaned = 0.00695015 Jy ! Component: 200 - total flux cleaned = 0.00825622 Jy ! Total flux subtracted in 200 components = 0.00825622 Jy ! Clean residual min=-0.001436 max=0.001231 Jy/beam ! Clean residual mean=-0.000001 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0638565 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.0638565 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=1.945 mas, bmaj=2.634 mas, bpa=86.22 degrees ! Estimated noise=0.746309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202027 Jy ! Component: 100 - total flux cleaned = 0.0033552 Jy ! Component: 150 - total flux cleaned = 0.00431481 Jy ! Component: 200 - total flux cleaned = 0.00501928 Jy ! Total flux subtracted in 200 components = 0.00501928 Jy ! Clean residual min=-0.001357 max=0.001154 Jy/beam ! Clean residual mean=-0.000000 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.0688758 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 = 0.000524739 Jy ! Component: 100 - total flux cleaned = 0.000918204 Jy ! Component: 150 - total flux cleaned = 0.00114035 Jy ! Component: 200 - total flux cleaned = 0.00120143 Jy ! Total flux subtracted in 200 components = 0.00120143 Jy ! Clean residual min=-0.001229 max=0.001037 Jy/beam ! Clean residual mean=0.000000 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.0700772 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 62 components and 0.0700772 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8249 mas, bmaj=1.216 mas, bpa=89.95 degrees ! Estimated noise=0.52548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.9403e-05 Jy ! Component: 100 - total flux cleaned = 0.000133758 Jy ! Component: 150 - total flux cleaned = 0.000133306 Jy ! Component: 200 - total flux cleaned = 0.00011043 Jy ! Total flux subtracted in 200 components = 0.00011043 Jy ! Clean residual min=-0.001019 max=0.001022 Jy/beam ! Clean residual mean=0.000000 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.0701876 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 0.0701876 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059826Jy sigma=0.471140 ! Fit after self-cal, rms=0.059822Jy sigma=0.471070 wmodel J1257+7958_X_map.mod ! Writing 79 model components to file: J1257+7958_X_map.mod wobs J1257+7958_X_uvs.fits ! Writing UV FITS file: J1257+7958_X_uvs.fits wwins J1257+7958_X_map.win ! wwins: Wrote 3 windows to J1257+7958_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 = -4.24545e-05 Jy ! Component: 100 - total flux cleaned = 8.38454e-05 Jy ! Component: 150 - total flux cleaned = 0.000170559 Jy ! Component: 200 - total flux cleaned = 0.000254727 Jy ! Component: 250 - total flux cleaned = 0.00033585 Jy ! Component: 300 - total flux cleaned = 0.000415111 Jy ! Component: 350 - total flux cleaned = 0.000476939 Jy ! Component: 400 - total flux cleaned = 0.000568234 Jy ! Component: 450 - total flux cleaned = 0.000643049 Jy ! Component: 500 - total flux cleaned = 0.000716859 Jy ! Component: 550 - total flux cleaned = 0.000789478 Jy ! Component: 600 - total flux cleaned = 0.000860952 Jy ! Component: 650 - total flux cleaned = 0.000917241 Jy ! Component: 700 - total flux cleaned = 0.00095874 Jy ! Component: 750 - total flux cleaned = 0.00104104 Jy ! Component: 800 - total flux cleaned = 0.00113573 Jy ! Component: 850 - total flux cleaned = 0.00121604 Jy ! Component: 900 - total flux cleaned = 0.00126891 Jy ! Component: 950 - total flux cleaned = 0.00136009 Jy ! Component: 1000 - total flux cleaned = 0.00146285 Jy ! Component: 1050 - total flux cleaned = 0.00145009 Jy ! Component: 1100 - total flux cleaned = 0.00152565 Jy ! Component: 1150 - total flux cleaned = 0.00160057 Jy ! Component: 1200 - total flux cleaned = 0.00169911 Jy ! Component: 1250 - total flux cleaned = 0.00173581 Jy ! Component: 1300 - total flux cleaned = 0.00182031 Jy ! Component: 1350 - total flux cleaned = 0.00185633 Jy ! Component: 1400 - total flux cleaned = 0.00190384 Jy ! Component: 1450 - total flux cleaned = 0.00197434 Jy ! Component: 1500 - total flux cleaned = 0.00203239 Jy ! Component: 1550 - total flux cleaned = 0.00209002 Jy ! Component: 1600 - total flux cleaned = 0.00211307 Jy ! Component: 1650 - total flux cleaned = 0.00215824 Jy ! Component: 1700 - total flux cleaned = 0.00219191 Jy ! Component: 1750 - total flux cleaned = 0.00223634 Jy ! Component: 1800 - total flux cleaned = 0.00226943 Jy ! Component: 1850 - total flux cleaned = 0.00233501 Jy ! Component: 1900 - total flux cleaned = 0.00239999 Jy ! Component: 1950 - total flux cleaned = 0.0024108 Jy ! Component: 2000 - total flux cleaned = 0.00244296 Jy ! Component: 2050 - total flux cleaned = 0.00245358 Jy ! Component: 2100 - total flux cleaned = 0.00250589 Jy ! Component: 2150 - total flux cleaned = 0.00253709 Jy ! Component: 2200 - total flux cleaned = 0.0025371 Jy ! Component: 2250 - total flux cleaned = 0.00254732 Jy ! Component: 2300 - total flux cleaned = 0.00256766 Jy ! Component: 2350 - total flux cleaned = 0.0025677 Jy ! Component: 2400 - total flux cleaned = 0.00262783 Jy ! Component: 2450 - total flux cleaned = 0.00263779 Jy ! Component: 2500 - total flux cleaned = 0.00264766 Jy ! Component: 2550 - total flux cleaned = 0.00268701 Jy ! Component: 2600 - total flux cleaned = 0.00267732 Jy ! Component: 2650 - total flux cleaned = 0.00271599 Jy ! Component: 2700 - total flux cleaned = 0.00274474 Jy ! Component: 2750 - total flux cleaned = 0.00273529 Jy ! Component: 2800 - total flux cleaned = 0.00279202 Jy ! Component: 2850 - total flux cleaned = 0.00282969 Jy ! Component: 2900 - total flux cleaned = 0.00282024 Jy ! Component: 2950 - total flux cleaned = 0.00282953 Jy ! Component: 3000 - total flux cleaned = 0.0028757 Jy ! Component: 3050 - total flux cleaned = 0.00285731 Jy ! Component: 3100 - total flux cleaned = 0.00289371 Jy ! Component: 3150 - total flux cleaned = 0.00292991 Jy ! Component: 3200 - total flux cleaned = 0.00290281 Jy ! Component: 3250 - total flux cleaned = 0.00292069 Jy ! Component: 3300 - total flux cleaned = 0.00292079 Jy ! Component: 3350 - total flux cleaned = 0.00295598 Jy ! Component: 3400 - total flux cleaned = 0.00292972 Jy ! Component: 3450 - total flux cleaned = 0.00293853 Jy ! Component: 3500 - total flux cleaned = 0.0029386 Jy ! Component: 3550 - total flux cleaned = 0.00293864 Jy ! Component: 3600 - total flux cleaned = 0.00293858 Jy ! Component: 3650 - total flux cleaned = 0.00298978 Jy ! Component: 3700 - total flux cleaned = 0.00298975 Jy ! Component: 3750 - total flux cleaned = 0.00297288 Jy ! Component: 3800 - total flux cleaned = 0.00301487 Jy ! Component: 3850 - total flux cleaned = 0.00301486 Jy ! Component: 3900 - total flux cleaned = 0.00297336 Jy ! Component: 3950 - total flux cleaned = 0.00298986 Jy ! Component: 4000 - total flux cleaned = 0.00301444 Jy ! Component: 4050 - total flux cleaned = 0.00299817 Jy ! Total flux subtracted in 4096 components = 0.00300633 Jy ! Clean residual min=-0.000633 max=0.000506 Jy/beam ! Clean residual mean=0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.073194 Jy keep ! Adding 323 model components to the UV plane model. ! The established model now contains 402 components and 0.0731939 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1257+7958_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8249 x 1.216 at 89.95 degrees (North through East) ! Clean map min=-0.00072154 max=0.051653 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1257+7958_X_map.fits wmodel /image_prod/ug002_uva//J1257+7958_X_map.mod ! Writing 402 model components to file: /image_prod/ug002_uva//J1257+7958_X_map.mod wobs /image_prod/ug002_uva//J1257+7958_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1257+7958_X_uvs.fits wwins /image_prod/ug002_uva//J1257+7958_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J1257+7958_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0516534 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000133257 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.773952 0.773952 1.5479 3.09581 6.19161 12.3832 24.7664 49.5329 99.0658 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.051 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 387.621 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1257+7958_X_dfm.log closed on Thu Mar 5 00:54:57 2020