! Started logfile: /image_prod/ug002_uva//J1557+0253_X_dfm.log on Thu Mar 5 02:30:03 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//J1557+0253_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1557+0253_X_uva.fits ! AN table 1: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.989259 visibilities/baseline/integration-bin. ! Found source: J1557+0253 ! ! 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 32052 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 J1557+0253_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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.003511Jy sigma=9.686915 ! Fit after self-cal, rms=0.935753Jy sigma=9.023561 ! 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=0.7074 mas, bmaj=1.766 mas, bpa=-3.637 degrees ! Estimated noise=0.772192 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 = 0.0500922 Jy ! Component: 100 - total flux cleaned = 0.0612257 Jy ! Total flux subtracted in 100 components = 0.0612257 Jy ! Clean residual min=-0.002659 max=0.004938 Jy/beam ! Clean residual mean=-0.000001 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0612257 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0612257 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=0.054258Jy sigma=0.486130 ! Fit after self-cal, rms=0.053872Jy sigma=0.482716 ! Inverting map ! Added new window around map position (0.6, -3.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00520695 Jy ! Component: 100 - total flux cleaned = 0.00860854 Jy ! Total flux subtracted in 100 components = 0.00860854 Jy ! Clean residual min=-0.002472 max=0.003755 Jy/beam ! Clean residual mean=-0.000001 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.0698342 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 19 components and 0.0698342 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=0.053237Jy sigma=0.475043 ! Fit after self-cal, rms=0.053215Jy sigma=0.474787 ! Inverting map ! Added new window around map position (-1.8, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336301 Jy ! Component: 100 - total flux cleaned = 0.00567898 Jy ! Total flux subtracted in 100 components = 0.00567898 Jy ! Clean residual min=-0.002405 max=0.003222 Jy/beam ! Clean residual mean=-0.000000 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.0755132 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 25 components and 0.0755132 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=0.052948Jy sigma=0.471753 ! Fit after self-cal, rms=0.052937Jy sigma=0.471586 ! Inverting map ! Added new window around map position (1.4, 2.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289509 Jy ! Component: 100 - total flux cleaned = 0.00458007 Jy ! Total flux subtracted in 100 components = 0.00458007 Jy ! Clean residual min=-0.002251 max=0.002110 Jy/beam ! Clean residual mean=-0.000000 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.0800932 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 32 components and 0.0800932 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=0.052786Jy sigma=0.469871 ! Fit after self-cal, rms=0.052783Jy sigma=0.469781 ! 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=0.9106 mas, bmaj=2.055 mas, bpa=-2.713 degrees ! Estimated noise=0.41695 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 = 0.00215384 Jy ! Component: 100 - total flux cleaned = 0.00370018 Jy ! Component: 150 - total flux cleaned = 0.00476377 Jy ! Component: 200 - total flux cleaned = 0.00527696 Jy ! Total flux subtracted in 200 components = 0.00527696 Jy ! Clean residual min=-0.001414 max=0.001485 Jy/beam ! Clean residual mean=-0.000000 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.0853702 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.0853702 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=0.052672Jy sigma=0.468480 ! Fit after self-cal, rms=0.052669Jy sigma=0.468439 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9106 x 2.055 at -2.713 degrees (North through East) ! Clean map min=-0.0013237 max=0.065285 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 1.01 KP 1.05 ! LA 0.99 MK 1.01 NL 1.06 OV 0.90 ! PT 0.91 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 1.02 KP 1.05 ! LA 1.03 MK 1.01 NL 1.14 OV 0.90 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.99 KP 1.04 ! LA 0.99 MK 1.03 NL 1.03 OV 0.93 ! PT 0.94 SC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.01 KP 1.02 ! LA 1.05 MK 1.01 NL 1.08 OV 0.93 ! PT 0.91 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.05 HN 0.98 KP 1.01 ! LA 1.03 MK 0.99 NL 1.11 OV 0.91 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.94 KP 1.05 ! LA 1.00 MK 1.00 NL 1.09 OV 0.86 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.01 KP 1.01 ! LA 0.97 MK 1.00 NL 1.07 OV 0.95 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.99 KP 1.05 ! LA 1.04 MK 0.98 NL 1.11 OV 0.90 ! PT 0.93 SC 1.05 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.05 HN 1.02 KP 1.04 ! LA 0.99 MK 1.06 NL 1.11 OV 0.90 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.96 KP 1.01 ! LA 0.96 MK 1.00 NL 1.08 OV 0.92 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.92 KP 1.02 ! LA 0.99 MK 1.06 NL 1.12 OV 0.90 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 0.95 KP 1.04 ! LA 1.00 MK 0.98 NL 1.13 OV 0.92 ! PT 0.88 SC 0.96 ! ! ! Fit before self-cal, rms=0.052669Jy sigma=0.468439 ! Fit after self-cal, rms=0.051797Jy sigma=0.465596 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9141 mas, bmaj=2.062 mas, bpa=-2.449 degrees ! Estimated noise=0.413593 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 = -0.000810428 Jy ! Component: 100 - total flux cleaned = -0.00112324 Jy ! Component: 150 - total flux cleaned = -0.00123096 Jy ! Component: 200 - total flux cleaned = -0.00124599 Jy ! Total flux subtracted in 200 components = -0.00124599 Jy ! Clean residual min=-0.001094 max=0.001058 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0841242 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 0.0841242 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=0.051771Jy sigma=0.465275 ! Fit after self-cal, rms=0.051784Jy sigma=0.465171 ! 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=0.051784Jy sigma=0.465171 ! Fit after self-cal, rms=0.052681Jy sigma=0.463427 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.913 mas, bmaj=2.064 mas, bpa=-2.496 degrees ! Estimated noise=0.413847 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000690266 Jy ! Component: 100 - total flux cleaned = -0.000861213 Jy ! Component: 150 - total flux cleaned = -0.000891246 Jy ! Component: 200 - total flux cleaned = -0.000890854 Jy ! Total flux subtracted in 200 components = -0.000890854 Jy ! Clean residual min=-0.000931 max=0.000800 Jy/beam ! Clean residual mean=-0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0832334 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 75 components and 0.0832333 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=0.052668Jy sigma=0.463282 ! Fit after self-cal, rms=0.052694Jy sigma=0.463229 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 = -3.95143e-05 Jy ! Component: 100 - total flux cleaned = -5.08426e-05 Jy ! Component: 150 - total flux cleaned = -6.1027e-05 Jy ! Component: 200 - total flux cleaned = -6.10774e-05 Jy ! Total flux subtracted in 200 components = -6.10774e-05 Jy ! Clean residual min=-0.000894 max=0.000807 Jy/beam ! Clean residual mean=-0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.0831723 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 82 components and 0.0831723 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=0.052689Jy sigma=0.463186 ! Fit after self-cal, rms=0.052689Jy sigma=0.463182 ! 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=0.052689Jy sigma=0.463182 ! Fit after self-cal, rms=0.052887Jy sigma=0.463114 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9128 mas, bmaj=2.064 mas, bpa=-2.417 degrees ! Estimated noise=0.413054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00052655 Jy ! Component: 100 - total flux cleaned = -0.000676259 Jy ! Component: 150 - total flux cleaned = -0.000704856 Jy ! Component: 200 - total flux cleaned = -0.000721464 Jy ! Total flux subtracted in 200 components = -0.000721464 Jy ! Clean residual min=-0.000784 max=0.000785 Jy/beam ! Clean residual mean=-0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0824508 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 87 components and 0.0824508 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=0.052881Jy sigma=0.463050 ! Fit after self-cal, rms=0.052887Jy sigma=0.463045 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 = -5.4035e-05 Jy ! Component: 100 - total flux cleaned = -7.74225e-05 Jy ! Component: 150 - total flux cleaned = -9.13793e-05 Jy ! Component: 200 - total flux cleaned = -9.13333e-05 Jy ! Total flux subtracted in 200 components = -9.13333e-05 Jy ! Clean residual min=-0.000755 max=0.000791 Jy/beam ! Clean residual mean=-0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0823595 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 90 components and 0.0823595 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=0.052884Jy sigma=0.463024 ! Fit after self-cal, rms=0.052884Jy sigma=0.463023 ! 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=0.052884Jy sigma=0.463023 ! Fit after self-cal, rms=0.052930Jy sigma=0.462999 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.218 mas, bmaj=3.277 mas, bpa=0.4255 degrees ! Estimated noise=0.500279 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000443619 Jy ! Component: 100 - total flux cleaned = -0.000532639 Jy ! Component: 150 - total flux cleaned = -0.00056655 Jy ! Component: 200 - total flux cleaned = -0.000571666 Jy ! Total flux subtracted in 200 components = -0.000571666 Jy ! Clean residual min=-0.000868 max=0.000777 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0817878 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 0.0817878 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=0.052928Jy sigma=0.462978 ! Fit after self-cal, rms=0.052930Jy sigma=0.462973 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 = -1.54327e-05 Jy ! Component: 100 - total flux cleaned = -2.59787e-05 Jy ! Component: 150 - total flux cleaned = -4.38013e-05 Jy ! Component: 200 - total flux cleaned = -4.7701e-05 Jy ! Total flux subtracted in 200 components = -4.7701e-05 Jy ! Clean residual min=-0.000882 max=0.000776 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0817401 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 107 components and 0.0817401 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=0.052930Jy sigma=0.462970 ! Fit after self-cal, rms=0.052930Jy sigma=0.462969 ! 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=0.9126 mas, bmaj=2.064 mas, bpa=-2.351 degrees ! Estimated noise=0.41241 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9126 x 2.064 at -2.351 degrees (North through East) ! Clean map min=-0.00069339 max=0.064898 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=0.7074 mas, bmaj=1.768 mas, bpa=-3.299 degrees ! Estimated noise=0.768346 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.049977 Jy ! Component: 100 - total flux cleaned = 0.0613299 Jy ! Component: 150 - total flux cleaned = 0.0663466 Jy ! Component: 200 - total flux cleaned = 0.0697633 Jy ! Total flux subtracted in 200 components = 0.0697633 Jy ! Clean residual min=-0.001896 max=0.001969 Jy/beam ! Clean residual mean=-0.000001 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.0697633 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0697633 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9126 mas, bmaj=2.064 mas, bpa=-2.351 degrees ! Estimated noise=0.41241 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 = 0.00371638 Jy ! Component: 100 - total flux cleaned = 0.00612551 Jy ! Component: 150 - total flux cleaned = 0.0077741 Jy ! Component: 200 - total flux cleaned = 0.00896407 Jy ! Total flux subtracted in 200 components = 0.00896407 Jy ! Clean residual min=-0.000862 max=0.000875 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0787273 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 35 components and 0.0787273 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=2.218 mas, bmaj=3.277 mas, bpa=0.4255 degrees ! Estimated noise=0.500279 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125485 Jy ! Component: 100 - total flux cleaned = 0.00195504 Jy ! Component: 150 - total flux cleaned = 0.00239633 Jy ! Component: 200 - total flux cleaned = 0.00261777 Jy ! Total flux subtracted in 200 components = 0.00261777 Jy ! Clean residual min=-0.000896 max=0.000769 Jy/beam ! Clean residual mean=-0.000001 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0813451 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 = 0.000131062 Jy ! Component: 100 - total flux cleaned = 0.00023601 Jy ! Component: 150 - total flux cleaned = 0.000277258 Jy ! Component: 200 - total flux cleaned = 0.000296414 Jy ! Total flux subtracted in 200 components = 0.000296414 Jy ! Clean residual min=-0.000910 max=0.000771 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0816415 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 69 components and 0.0816415 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9126 mas, bmaj=2.064 mas, bpa=-2.351 degrees ! Estimated noise=0.41241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162565 Jy ! Component: 100 - total flux cleaned = 0.000162412 Jy ! Component: 150 - total flux cleaned = 0.000145121 Jy ! Component: 200 - total flux cleaned = 0.000144642 Jy ! Total flux subtracted in 200 components = 0.000144642 Jy ! Clean residual min=-0.000775 max=0.000800 Jy/beam ! Clean residual mean=-0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0817862 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 81 components and 0.0817862 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=0.052943Jy sigma=0.463083 ! Fit after self-cal, rms=0.052935Jy sigma=0.463058 wmodel J1557+0253_X_map.mod ! Writing 81 model components to file: J1557+0253_X_map.mod wobs J1557+0253_X_uvs.fits ! Writing UV FITS file: J1557+0253_X_uvs.fits wwins J1557+0253_X_map.win ! wwins: Wrote 4 windows to J1557+0253_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 = -1.1208e-05 Jy ! Component: 100 - total flux cleaned = -0.000133185 Jy ! Component: 150 - total flux cleaned = -0.00022517 Jy ! Component: 200 - total flux cleaned = -0.000289541 Jy ! Component: 250 - total flux cleaned = -0.000339852 Jy ! Component: 300 - total flux cleaned = -0.000413674 Jy ! Component: 350 - total flux cleaned = -0.000509859 Jy ! Component: 400 - total flux cleaned = -0.000592343 Jy ! Component: 450 - total flux cleaned = -0.000661982 Jy ! Component: 500 - total flux cleaned = -0.000753127 Jy ! Component: 550 - total flux cleaned = -0.00085382 Jy ! Component: 600 - total flux cleaned = -0.000930984 Jy ! Component: 650 - total flux cleaned = -0.000996261 Jy ! Component: 700 - total flux cleaned = -0.00108193 Jy ! Component: 750 - total flux cleaned = -0.00114528 Jy ! Component: 800 - total flux cleaned = -0.0011974 Jy ! Component: 850 - total flux cleaned = -0.00127987 Jy ! Component: 900 - total flux cleaned = -0.00129017 Jy ! Component: 950 - total flux cleaned = -0.0013505 Jy ! Component: 1000 - total flux cleaned = -0.00139998 Jy ! Component: 1050 - total flux cleaned = -0.0014392 Jy ! Component: 1100 - total flux cleaned = -0.00145854 Jy ! Component: 1150 - total flux cleaned = -0.00149712 Jy ! Component: 1200 - total flux cleaned = -0.00157336 Jy ! Component: 1250 - total flux cleaned = -0.00162051 Jy ! Component: 1300 - total flux cleaned = -0.00162053 Jy ! Component: 1350 - total flux cleaned = -0.00167616 Jy ! Component: 1400 - total flux cleaned = -0.00171283 Jy ! Component: 1450 - total flux cleaned = -0.00175823 Jy ! Component: 1500 - total flux cleaned = -0.00180317 Jy ! Component: 1550 - total flux cleaned = -0.00184782 Jy ! Component: 1600 - total flux cleaned = -0.00187431 Jy ! Component: 1650 - total flux cleaned = -0.00190941 Jy ! Component: 1700 - total flux cleaned = -0.00196156 Jy ! Component: 1750 - total flux cleaned = -0.00202194 Jy ! Component: 1800 - total flux cleaned = -0.00203893 Jy ! Component: 1850 - total flux cleaned = -0.00208134 Jy ! Component: 1900 - total flux cleaned = -0.00210649 Jy ! Component: 1950 - total flux cleaned = -0.00214812 Jy ! Component: 2000 - total flux cleaned = -0.00220618 Jy ! Component: 2050 - total flux cleaned = -0.00223909 Jy ! Component: 2100 - total flux cleaned = -0.00227975 Jy ! Component: 2150 - total flux cleaned = -0.00229585 Jy ! Component: 2200 - total flux cleaned = -0.00232812 Jy ! Component: 2250 - total flux cleaned = -0.002376 Jy ! Component: 2300 - total flux cleaned = -0.00241564 Jy ! Component: 2350 - total flux cleaned = -0.00241561 Jy ! Component: 2400 - total flux cleaned = -0.00247027 Jy ! Component: 2450 - total flux cleaned = -0.00250897 Jy ! Component: 2500 - total flux cleaned = -0.00252435 Jy ! Component: 2550 - total flux cleaned = -0.00252425 Jy ! Component: 2600 - total flux cleaned = -0.00255461 Jy ! Component: 2650 - total flux cleaned = -0.00254706 Jy ! Component: 2700 - total flux cleaned = -0.00259213 Jy ! Component: 2750 - total flux cleaned = -0.00262184 Jy ! Component: 2800 - total flux cleaned = -0.002644 Jy ! Component: 2850 - total flux cleaned = -0.00262189 Jy ! Component: 2900 - total flux cleaned = -0.00263651 Jy ! Component: 2950 - total flux cleaned = -0.00265111 Jy ! Component: 3000 - total flux cleaned = -0.00272334 Jy ! Component: 3050 - total flux cleaned = -0.0027089 Jy ! Component: 3100 - total flux cleaned = -0.00275887 Jy ! Component: 3150 - total flux cleaned = -0.00275171 Jy ! Component: 3200 - total flux cleaned = -0.00273047 Jy ! Component: 3250 - total flux cleaned = -0.00278664 Jy ! Component: 3300 - total flux cleaned = -0.00275863 Jy ! Component: 3350 - total flux cleaned = -0.0027934 Jy ! Component: 3400 - total flux cleaned = -0.00280715 Jy ! Component: 3450 - total flux cleaned = -0.00281403 Jy ! Component: 3500 - total flux cleaned = -0.00280719 Jy ! Component: 3550 - total flux cleaned = -0.00280719 Jy ! Component: 3600 - total flux cleaned = -0.00281396 Jy ! Component: 3650 - total flux cleaned = -0.00282745 Jy ! Component: 3700 - total flux cleaned = -0.00283414 Jy ! Component: 3750 - total flux cleaned = -0.00286078 Jy ! Component: 3800 - total flux cleaned = -0.00284091 Jy ! Component: 3850 - total flux cleaned = -0.00284757 Jy ! Component: 3900 - total flux cleaned = -0.00286728 Jy ! Component: 3950 - total flux cleaned = -0.00285428 Jy ! Component: 4000 - total flux cleaned = -0.00286071 Jy ! Component: 4050 - total flux cleaned = -0.00284129 Jy ! Total flux subtracted in 4096 components = -0.00283483 Jy ! Clean residual min=-0.000396 max=0.000331 Jy/beam ! Clean residual mean=-0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.0789514 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 393 components and 0.0789514 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1557+0253_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9126 x 2.064 at -2.351 degrees (North through East) ! Clean map min=-0.00063119 max=0.065156 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1557+0253_X_map.fits wmodel /image_prod/ug002_uva//J1557+0253_X_map.mod ! Writing 393 model components to file: /image_prod/ug002_uva//J1557+0253_X_map.mod wobs /image_prod/ug002_uva//J1557+0253_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1557+0253_X_uvs.fits wwins /image_prod/ug002_uva//J1557+0253_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1557+0253_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0651565 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000110621 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.509334 0.509334 1.01867 2.03733 4.07467 8.14934 16.2987 32.5974 65.1947 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.065 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 589.004 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1557+0253_X_dfm.log closed on Thu Mar 5 02:30:08 2020