! Started logfile: /vlbi/sb072/temp_maps//J1641+2257_C_dfm.log on Thu Jan 31 09:40:58 2019 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 /vlbi/sb072/temp_maps//J1641+2257_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1641+2257_C_uvm.fits ! AN table 1: 4 integrations on 36 of 36 possible baselines. ! AN table 2: 4 integrations on 45 of 45 possible baselines. ! AN table 3: 4 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1641+2257 ! ! 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 3744 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 J1641+2257_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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.198932Jy sigma=54.865124 ! Fit after self-cal, rms=0.346852Jy sigma=16.267305 ! 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=1.231 mas, bmaj=3.705 mas, bpa=7.575 degrees ! Estimated noise=0.396015 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 = 0.506449 Jy ! Component: 100 - total flux cleaned = 0.617674 Jy ! Total flux subtracted in 100 components = 0.617674 Jy ! Clean residual min=-0.018765 max=0.035560 Jy/beam ! Clean residual mean=-0.000017 rms=0.003900 Jy/beam ! Combined flux in latest and established models = 0.617674 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.617674 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=0.085392Jy sigma=3.739417 ! Fit after self-cal, rms=0.085388Jy sigma=3.739222 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0369956 Jy ! Component: 100 - total flux cleaned = 0.0541528 Jy ! Total flux subtracted in 100 components = 0.0541528 Jy ! Clean residual min=-0.014204 max=0.021678 Jy/beam ! Clean residual mean=-0.000005 rms=0.002950 Jy/beam ! Combined flux in latest and established models = 0.671826 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.671826 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=0.066394Jy sigma=3.038616 ! Fit after self-cal, rms=0.066391Jy sigma=3.038483 ! Inverting map ! Added new window around map position (-3.6, -2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0202013 Jy ! Component: 100 - total flux cleaned = 0.023493 Jy ! Total flux subtracted in 100 components = 0.023493 Jy ! Clean residual min=-0.013008 max=0.016099 Jy/beam ! Clean residual mean=-0.000001 rms=0.002527 Jy/beam ! Combined flux in latest and established models = 0.695319 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 27 components and 0.695319 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=0.060727Jy sigma=2.790295 ! Fit after self-cal, rms=0.060173Jy sigma=2.766288 ! 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=1.59 mas, bmaj=4.299 mas, bpa=6.518 degrees ! Estimated noise=0.267569 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 = 0.00805756 Jy ! Component: 100 - total flux cleaned = 0.0117739 Jy ! Component: 150 - total flux cleaned = 0.0128388 Jy ! Component: 200 - total flux cleaned = 0.0135053 Jy ! Total flux subtracted in 200 components = 0.0135053 Jy ! Clean residual min=-0.012686 max=0.012631 Jy/beam ! Clean residual mean=-0.000004 rms=0.002683 Jy/beam ! Combined flux in latest and established models = 0.708825 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 36 components and 0.708825 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=0.058861Jy sigma=2.711902 ! Fit after self-cal, rms=0.058774Jy sigma=2.707971 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.59 x 4.299 at 6.518 degrees (North through East) ! Clean map min=-0.011778 max=0.64683 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 KP 0.96 LA 1.06 ! MK 1.01 NL 1.01 OV 1.06 PT 0.95 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.98 HN 1.04 KP 0.97 ! LA 1.09 MK 1.00 NL 1.04 OV 1.04 ! PT 0.91 SC 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.96 KP 0.95 LA 1.02 ! MK 0.93 NL 1.00 OV 0.96 PT 0.92 ! SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 KP 0.97 LA 1.05 ! MK 1.00 NL 1.03 OV 1.05 PT 0.97 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.97 HN 1.03 KP 0.96 ! LA 1.09 MK 1.00 NL 1.04 OV 1.04 ! PT 0.92 SC 0.99 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.95 KP 0.95 LA 1.02 ! MK 0.94 NL 1.00 OV 0.98 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 KP 0.97 LA 1.05 ! MK 1.01 NL 1.03 OV 1.05 PT 0.94 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 HN 1.03 KP 0.96 ! LA 1.07 MK 1.01 NL 1.04 OV 1.05 ! PT 0.94 SC 0.99 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.95 KP 0.96 LA 1.02 ! MK 0.94 NL 0.99 OV 0.99 PT 0.92 ! SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 KP 0.98 LA 1.07 ! MK 0.99 NL 1.03 OV 1.02 PT 0.96 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.97 HN 1.00 KP 0.97 ! LA 1.08 MK 1.00 NL 1.04 OV 1.05 ! PT 1.58 SC 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.93 KP 0.96 LA 1.03 ! MK 0.94 NL 1.02 OV 0.98 PT 0.92 ! SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 KP 0.96 LA 1.06 ! MK 1.01 NL 1.03 OV 1.05 PT 0.97 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 1.04 KP 0.97 ! LA 1.08 MK 1.03 NL 1.05 OV 1.06 ! PT 0.96 SC 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.95 KP 0.96 LA 1.02 ! MK 0.96 NL 1.01 OV 0.99 PT 0.92 ! SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 KP 0.97 LA 1.05 ! MK 1.01 NL 1.04 OV 1.04 PT 0.97 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.98 HN 1.02 KP 0.98 ! LA 1.09 MK 1.04 NL 1.05 OV 1.06 ! PT 0.96 SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.97 KP 0.95 LA 1.02 ! MK 0.96 NL 1.01 OV 0.99 PT 0.92 ! SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 KP 0.96 LA 1.06 ! MK 1.03 NL 1.04 OV 1.04 PT 0.96 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 1.03 KP 0.98 ! LA 1.08 MK 1.04 NL 1.05 OV 1.06 ! PT 0.96 SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.96 KP 0.97 LA 1.02 ! MK 0.96 NL 1.02 OV 0.98 PT 0.92 ! SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 KP 0.97 LA 1.06 ! MK 1.04 NL 1.04 OV 1.05 PT 0.96 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 HN 1.04 KP 0.98 ! LA 1.09 MK 1.04 NL 1.06 OV 1.06 ! PT 0.96 SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 HN 0.96 KP 0.96 LA 1.02 ! MK 0.96 NL 1.01 OV 0.99 PT 0.93 ! SC 0.96 ! ! ! Fit before self-cal, rms=0.058774Jy sigma=2.707971 ! Fit after self-cal, rms=0.024198Jy sigma=0.933313 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.585 mas, bmaj=4.32 mas, bpa=6.347 degrees ! Estimated noise=0.267887 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 = -0.00571873 Jy ! Component: 100 - total flux cleaned = -0.00772643 Jy ! Component: 150 - total flux cleaned = -0.00796248 Jy ! Component: 200 - total flux cleaned = -0.00821298 Jy ! Total flux subtracted in 200 components = -0.00821298 Jy ! Clean residual min=-0.005641 max=0.004599 Jy/beam ! Clean residual mean=0.000001 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.700612 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 0.700612 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=0.022818Jy sigma=0.858753 ! Fit after self-cal, rms=0.022698Jy sigma=0.851395 ! 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=0.022698Jy sigma=0.851395 ! Fit after self-cal, rms=0.022317Jy sigma=0.828729 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.584 mas, bmaj=4.325 mas, bpa=6.346 degrees ! Estimated noise=0.267687 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00377206 Jy ! Component: 100 - total flux cleaned = -0.00490292 Jy ! Component: 150 - total flux cleaned = -0.00520011 Jy ! Component: 200 - total flux cleaned = -0.00534842 Jy ! Total flux subtracted in 200 components = -0.00534842 Jy ! Clean residual min=-0.004691 max=0.003776 Jy/beam ! Clean residual mean=0.000001 rms=0.000693 Jy/beam ! Combined flux in latest and established models = 0.695263 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.695263 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=0.021605Jy sigma=0.790709 ! Fit after self-cal, rms=0.021562Jy sigma=0.787449 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 = -0.000674447 Jy ! Component: 100 - total flux cleaned = -0.000672627 Jy ! Component: 150 - total flux cleaned = -0.000708345 Jy ! Component: 200 - total flux cleaned = -0.000769598 Jy ! Total flux subtracted in 200 components = -0.000769598 Jy ! Clean residual min=-0.004419 max=0.004344 Jy/beam ! Clean residual mean=0.000000 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.694494 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 0.694494 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=0.021420Jy sigma=0.780932 ! Fit after self-cal, rms=0.021426Jy sigma=0.780624 ! Inverting map ! Added new window around map position (3.3, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00399275 Jy ! Component: 100 - total flux cleaned = 0.00385526 Jy ! Component: 150 - total flux cleaned = 0.00352388 Jy ! Component: 200 - total flux cleaned = 0.00313873 Jy ! Total flux subtracted in 200 components = 0.00313873 Jy ! Clean residual min=-0.003557 max=0.002250 Jy/beam ! Clean residual mean=0.000002 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.697632 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 85 components and 0.697632 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=0.020647Jy sigma=0.727673 ! Fit after self-cal, rms=0.020512Jy sigma=0.722066 ! 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=0.020512Jy sigma=0.722066 ! Fit after self-cal, rms=0.020403Jy sigma=0.714528 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.583 mas, bmaj=4.329 mas, bpa=6.361 degrees ! Estimated noise=0.267838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123123 Jy ! Component: 100 - total flux cleaned = -0.00140431 Jy ! Component: 150 - total flux cleaned = -0.00177239 Jy ! Component: 200 - total flux cleaned = -0.00207917 Jy ! Total flux subtracted in 200 components = -0.00207917 Jy ! Clean residual min=-0.003059 max=0.002000 Jy/beam ! Clean residual mean=0.000001 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.695553 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 90 components and 0.695553 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=0.020086Jy sigma=0.695711 ! Fit after self-cal, rms=0.020035Jy sigma=0.693289 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 = -3.7238e-05 Jy ! Component: 100 - total flux cleaned = 7.13505e-05 Jy ! Component: 150 - total flux cleaned = 7.26249e-05 Jy ! Component: 200 - total flux cleaned = 4.29751e-05 Jy ! Total flux subtracted in 200 components = 4.29751e-05 Jy ! Clean residual min=-0.002699 max=0.001926 Jy/beam ! Clean residual mean=0.000002 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.695596 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 104 components and 0.695596 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=0.019915Jy sigma=0.685835 ! Fit after self-cal, rms=0.019896Jy sigma=0.684902 ! 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=0.019896Jy sigma=0.684902 ! Fit after self-cal, rms=0.019865Jy sigma=0.682893 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.678 mas, bmaj=5.883 mas, bpa=-2.059 degrees ! Estimated noise=0.33854 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00142881 Jy ! Component: 100 - total flux cleaned = -0.00181836 Jy ! Component: 150 - total flux cleaned = -0.00191459 Jy ! Component: 200 - total flux cleaned = -0.00199964 Jy ! Total flux subtracted in 200 components = -0.00199964 Jy ! Clean residual min=-0.002583 max=0.001675 Jy/beam ! Clean residual mean=0.000003 rms=0.000473 Jy/beam ! Combined flux in latest and established models = 0.693597 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 113 components and 0.693597 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=0.019840Jy sigma=0.680369 ! Fit after self-cal, rms=0.019819Jy sigma=0.679939 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 = 3.0475e-05 Jy ! Component: 100 - total flux cleaned = -1.70715e-05 Jy ! Component: 150 - total flux cleaned = -3.9295e-05 Jy ! Component: 200 - total flux cleaned = -9.98425e-05 Jy ! Total flux subtracted in 200 components = -9.98425e-05 Jy ! Clean residual min=-0.002328 max=0.001599 Jy/beam ! Clean residual mean=0.000003 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.693497 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 120 components and 0.693497 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=0.019828Jy sigma=0.679579 ! Fit after self-cal, rms=0.019813Jy sigma=0.679261 ! 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=1.583 mas, bmaj=4.33 mas, bpa=6.362 degrees ! Estimated noise=0.267733 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.583 x 4.33 at 6.362 degrees (North through East) ! Clean map min=-0.0024465 max=0.64776 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.019813Jy sigma=0.679261 ! Fit after self-cal, rms=0.016829Jy sigma=0.614077 ! Inverting map and beam ! Estimated beam: bmin=1.583 mas, bmaj=4.331 mas, bpa=6.365 degrees ! Estimated noise=0.267947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000617074 Jy ! Component: 100 - total flux cleaned = -0.000544885 Jy ! Component: 150 - total flux cleaned = -0.000450295 Jy ! Component: 200 - total flux cleaned = -0.000422397 Jy ! Total flux subtracted in 200 components = -0.000422397 Jy ! Clean residual min=-0.002223 max=0.001643 Jy/beam ! Clean residual mean=0.000001 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.693074 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 131 components and 0.693074 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=0.016691Jy sigma=0.607309 ! Fit after self-cal, rms=0.016689Jy sigma=0.607189 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000114143 Jy ! Component: 100 - total flux cleaned = 0.000139558 Jy ! Component: 150 - total flux cleaned = 0.000210498 Jy ! Component: 200 - total flux cleaned = 0.000210503 Jy ! Total flux subtracted in 200 components = 0.000210503 Jy ! Clean residual min=-0.002077 max=0.001605 Jy/beam ! Clean residual mean=0.000001 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.693285 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 134 components and 0.693285 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=0.016621Jy sigma=0.603983 ! Fit after self-cal, rms=0.016618Jy sigma=0.603862 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.016618Jy sigma=0.603862 ! Fit after self-cal, rms=0.016595Jy sigma=0.602878 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=1.223 mas, bmaj=3.733 mas, bpa=7.293 degrees ! Estimated noise=0.396857 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.507523 Jy ! Component: 100 - total flux cleaned = 0.618517 Jy ! Component: 150 - total flux cleaned = 0.652775 Jy ! Component: 200 - total flux cleaned = 0.668818 Jy ! Total flux subtracted in 200 components = 0.668818 Jy ! Clean residual min=-0.005174 max=0.007991 Jy/beam ! Clean residual mean=-0.000004 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 0.668818 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.668818 Jy ! Inverting map and beam ! Estimated beam: bmin=1.583 mas, bmaj=4.331 mas, bpa=6.367 degrees ! Estimated noise=0.2679 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 = 0.0107112 Jy ! Component: 100 - total flux cleaned = 0.0170613 Jy ! Component: 150 - total flux cleaned = 0.0209085 Jy ! Component: 200 - total flux cleaned = 0.0225199 Jy ! Total flux subtracted in 200 components = 0.0225199 Jy ! Clean residual min=-0.001873 max=0.002119 Jy/beam ! Clean residual mean=0.000001 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.691338 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 41 components and 0.691338 Jy ! Inverting map ! Added new window around map position (0.6, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105251 Jy ! Component: 100 - total flux cleaned = 0.0013898 Jy ! Component: 150 - total flux cleaned = 0.00161866 Jy ! Component: 200 - total flux cleaned = 0.0016198 Jy ! Total flux subtracted in 200 components = 0.0016198 Jy ! Clean residual min=-0.001839 max=0.001440 Jy/beam ! Clean residual mean=0.000001 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.692958 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 63 components and 0.692958 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=3.679 mas, bmaj=5.885 mas, bpa=-2.044 degrees ! Estimated noise=0.33872 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000316319 Jy ! Component: 100 - total flux cleaned = -0.000386596 Jy ! Component: 150 - total flux cleaned = -0.000326747 Jy ! Component: 200 - total flux cleaned = -0.00032746 Jy ! Total flux subtracted in 200 components = -0.00032746 Jy ! Clean residual min=-0.002124 max=0.001542 Jy/beam ! Clean residual mean=0.000002 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.69263 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 = 2.40022e-05 Jy ! Component: 100 - total flux cleaned = 4.45631e-05 Jy ! Component: 150 - total flux cleaned = 4.4461e-05 Jy ! Component: 200 - total flux cleaned = 4.35808e-05 Jy ! Total flux subtracted in 200 components = 4.35808e-05 Jy ! Clean residual min=-0.002007 max=0.001473 Jy/beam ! Clean residual mean=0.000002 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.692674 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 98 components and 0.692674 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.583 mas, bmaj=4.331 mas, bpa=6.367 degrees ! Estimated noise=0.2679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000417264 Jy ! Component: 100 - total flux cleaned = -0.000388094 Jy ! Component: 150 - total flux cleaned = -0.000283637 Jy ! Component: 200 - total flux cleaned = -0.00018921 Jy ! Total flux subtracted in 200 components = -0.00018921 Jy ! Clean residual min=-0.001594 max=0.001319 Jy/beam ! Clean residual mean=0.000001 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.692485 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 118 components and 0.692485 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=0.016456Jy sigma=0.594533 ! Fit after self-cal, rms=0.016404Jy sigma=0.592273 wmodel J1641+2257_C_map.mod ! Writing 118 model components to file: J1641+2257_C_map.mod wobs J1641+2257_C_uvs.fits ! Writing UV FITS file: J1641+2257_C_uvs.fits wwins J1641+2257_C_map.win ! wwins: Wrote 4 windows to J1641+2257_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 = -0.000551626 Jy ! Component: 100 - total flux cleaned = -0.000796328 Jy ! Component: 150 - total flux cleaned = -0.000956067 Jy ! Component: 200 - total flux cleaned = -0.000955888 Jy ! Component: 250 - total flux cleaned = -0.000956266 Jy ! Component: 300 - total flux cleaned = -0.000957311 Jy ! Component: 350 - total flux cleaned = -0.0010064 Jy ! Component: 400 - total flux cleaned = -0.00106874 Jy ! Component: 450 - total flux cleaned = -0.00109862 Jy ! Component: 500 - total flux cleaned = -0.00111325 Jy ! Component: 550 - total flux cleaned = -0.00109932 Jy ! Component: 600 - total flux cleaned = -0.00107219 Jy ! Component: 650 - total flux cleaned = -0.0010588 Jy ! Component: 700 - total flux cleaned = -0.000954875 Jy ! Component: 750 - total flux cleaned = -0.000904463 Jy ! Component: 800 - total flux cleaned = -0.000854679 Jy ! Component: 850 - total flux cleaned = -0.000756819 Jy ! Component: 900 - total flux cleaned = -0.000636991 Jy ! Component: 950 - total flux cleaned = -0.00053098 Jy ! Component: 1000 - total flux cleaned = -0.00046139 Jy ! Component: 1050 - total flux cleaned = -0.0003697 Jy ! Component: 1100 - total flux cleaned = -0.000301975 Jy ! Component: 1150 - total flux cleaned = -0.000191075 Jy ! Component: 1200 - total flux cleaned = -8.21933e-05 Jy ! Component: 1250 - total flux cleaned = -4.99774e-05 Jy ! Component: 1300 - total flux cleaned = 3.50088e-05 Jy ! Component: 1350 - total flux cleaned = 9.76419e-05 Jy ! Component: 1400 - total flux cleaned = 0.00019049 Jy ! Component: 1450 - total flux cleaned = 0.000231037 Jy ! Component: 1500 - total flux cleaned = 0.000281405 Jy ! Component: 1550 - total flux cleaned = 0.000350741 Jy ! Component: 1600 - total flux cleaned = 0.000399577 Jy ! Component: 1650 - total flux cleaned = 0.000447725 Jy ! Component: 1700 - total flux cleaned = 0.000476228 Jy ! Component: 1750 - total flux cleaned = 0.000513874 Jy ! Component: 1800 - total flux cleaned = 0.000560318 Jy ! Component: 1850 - total flux cleaned = 0.00058784 Jy ! Component: 1900 - total flux cleaned = 0.000614948 Jy ! Component: 1950 - total flux cleaned = 0.000632857 Jy ! Component: 2000 - total flux cleaned = 0.000641837 Jy ! Component: 2050 - total flux cleaned = 0.000659556 Jy ! Component: 2100 - total flux cleaned = 0.000694379 Jy ! Component: 2150 - total flux cleaned = 0.000685595 Jy ! Component: 2200 - total flux cleaned = 0.000677053 Jy ! Component: 2250 - total flux cleaned = 0.000651587 Jy ! Component: 2300 - total flux cleaned = 0.000685141 Jy ! Component: 2350 - total flux cleaned = 0.000701617 Jy ! Component: 2400 - total flux cleaned = 0.000676844 Jy ! Component: 2450 - total flux cleaned = 0.00066869 Jy ! Component: 2500 - total flux cleaned = 0.000692879 Jy ! Component: 2550 - total flux cleaned = 0.00068493 Jy ! Component: 2600 - total flux cleaned = 0.000676874 Jy ! Component: 2650 - total flux cleaned = 0.000676807 Jy ! Component: 2700 - total flux cleaned = 0.000653431 Jy ! Component: 2750 - total flux cleaned = 0.000676626 Jy ! Component: 2800 - total flux cleaned = 0.000661191 Jy ! Component: 2850 - total flux cleaned = 0.000668801 Jy ! Component: 2900 - total flux cleaned = 0.000646212 Jy ! Component: 2950 - total flux cleaned = 0.000631331 Jy ! Component: 3000 - total flux cleaned = 0.000631371 Jy ! Component: 3050 - total flux cleaned = 0.000631329 Jy ! Component: 3100 - total flux cleaned = 0.00062401 Jy ! Component: 3150 - total flux cleaned = 0.000602305 Jy ! Component: 3200 - total flux cleaned = 0.000623844 Jy ! Component: 3250 - total flux cleaned = 0.000630969 Jy ! Component: 3300 - total flux cleaned = 0.00062388 Jy ! Component: 3350 - total flux cleaned = 0.000623921 Jy ! Component: 3400 - total flux cleaned = 0.000630933 Jy ! Component: 3450 - total flux cleaned = 0.000637862 Jy ! Component: 3500 - total flux cleaned = 0.000630978 Jy ! Component: 3550 - total flux cleaned = 0.000617258 Jy ! Component: 3600 - total flux cleaned = 0.000637662 Jy ! Component: 3650 - total flux cleaned = 0.000637681 Jy ! Component: 3700 - total flux cleaned = 0.000644349 Jy ! Component: 3750 - total flux cleaned = 0.000637678 Jy ! Component: 3800 - total flux cleaned = 0.000644284 Jy ! Component: 3850 - total flux cleaned = 0.000631196 Jy ! Component: 3900 - total flux cleaned = 0.000644271 Jy ! Component: 3950 - total flux cleaned = 0.000650779 Jy ! Component: 4000 - total flux cleaned = 0.000657132 Jy ! Component: 4050 - total flux cleaned = 0.000644262 Jy ! Total flux subtracted in 4096 components = 0.000650629 Jy ! Clean residual min=-0.000416 max=0.000349 Jy/beam ! Clean residual mean=0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.693136 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 417 components and 0.693135 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1641+2257_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.583 x 4.331 at 6.367 degrees (North through East) ! Clean map min=-0.0013828 max=0.64899 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1641+2257_C_map.fits wmodel /vlbi/sb072/temp_maps//J1641+2257_C_map.mod ! Writing 417 model components to file: /vlbi/sb072/temp_maps//J1641+2257_C_map.mod wobs /vlbi/sb072/temp_maps//J1641+2257_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1641+2257_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1641+2257_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1641+2257_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.648991 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000116073 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0536556 0.0536556 0.107311 0.214622 0.429245 0.858489 1.71698 3.43396 6.86791 13.7358 27.4717 54.9433 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.648 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 5591.22 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1641+2257_C_dfm.log closed on Thu Jan 31 09:41:03 2019