! Started logfile: /scr/pima/rdv91_uvs/J1753+2848_X_dfm.log on Fri Jun 15 11:28:45 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.40599 obs /scr/pima/rdv91_uvs/J1753+2848_X_uva.fits ! Reading UV FITS file: /scr/pima/rdv91_uvs/J1753+2848_X_uva.fits ! AN table 1: 329 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.30477 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1753+2848 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40599e+09 8e+06 1 8e+06 ! 02 2 8.47599e+09 8e+06 1 8e+06 ! 03 3 8.79099e+09 8e+06 1 8e+06 ! 04 4 8.89599e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 74 lines of history. ! ! Reading 31284 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J1753+2848_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 2736 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2736 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2736 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2736 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.347009Jy sigma=19.447199 ! Fit after self-cal, rms=0.245312Jy sigma=3.456516 ! 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 ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.5889 mas, bmaj=0.9918 mas, bpa=-18.48 degrees ! Estimated noise=0.598768 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 = 0.638497 Jy ! Component: 100 - total flux cleaned = 0.795588 Jy ! Total flux subtracted in 100 components = 0.795588 Jy ! Clean residual min=-0.021191 max=0.065525 Jy/beam ! Clean residual mean=-0.000006 rms=0.004741 Jy/beam ! Combined flux in latest and established models = 0.795588 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.795588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196077Jy sigma=2.742757 ! Fit after self-cal, rms=0.195168Jy sigma=2.733525 ! Inverting map ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0736906 Jy ! Component: 100 - total flux cleaned = 0.114427 Jy ! Total flux subtracted in 100 components = 0.114427 Jy ! Clean residual min=-0.016250 max=0.025562 Jy/beam ! Clean residual mean=-0.000032 rms=0.003015 Jy/beam ! Combined flux in latest and established models = 0.910015 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.910015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158855Jy sigma=2.130282 ! Fit after self-cal, rms=0.157554Jy sigma=2.114281 ! Inverting map ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (0, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0303979 Jy ! Component: 100 - total flux cleaned = 0.0504109 Jy ! Total flux subtracted in 100 components = 0.0504109 Jy ! Clean residual min=-0.013419 max=0.016485 Jy/beam ! Clean residual mean=-0.000044 rms=0.002476 Jy/beam ! Combined flux in latest and established models = 0.960426 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.960426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150756Jy sigma=1.983048 ! Fit after self-cal, rms=0.150244Jy sigma=1.976580 ! Inverting map ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (1.8, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178761 Jy ! Component: 100 - total flux cleaned = 0.0298018 Jy ! Total flux subtracted in 100 components = 0.0298018 Jy ! Clean residual min=-0.011395 max=0.013359 Jy/beam ! Clean residual mean=-0.000051 rms=0.002257 Jy/beam ! Combined flux in latest and established models = 0.990228 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 0.990228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148479Jy sigma=1.936848 ! Fit after self-cal, rms=0.148296Jy sigma=1.934637 ! Inverting map ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6834 mas, bmaj=1.172 mas, bpa=-17.44 degrees ! Estimated noise=0.336974 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 = 0.00160959 Jy ! Component: 100 - total flux cleaned = 0.00157399 Jy ! Component: 150 - total flux cleaned = 0.00204048 Jy ! Component: 200 - total flux cleaned = 0.00243345 Jy ! Total flux subtracted in 200 components = 0.00243345 Jy ! Clean residual min=-0.015356 max=0.013127 Jy/beam ! Clean residual mean=-0.000347 rms=0.003282 Jy/beam ! Combined flux in latest and established models = 0.992661 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.992661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147286Jy sigma=1.915581 ! Fit after self-cal, rms=0.147149Jy sigma=1.913565 ! Inverting map ! Your choice of large map pixels excluded 0.69% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6834 x 1.172 at -17.44 degrees (North through East) ! Clean map min=-0.014145 max=0.83649 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 FT 1.00* HN 1.00 ! KP 0.96 LA 1.01 MK 0.99 NL 1.00 ! NY 0.96 OV 0.96 PT 1.03 SC 0.99 ! WZ 1.05 ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 FT 1.00* HN 1.01 ! KP 0.96 LA 1.01 MK 1.00 NL 1.00 ! NY 0.95 OV 0.95 PT 1.03 SC 0.98 ! WZ 1.05 ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 FT 1.00* HN 0.99 ! KP 0.96 LA 1.00 MK 1.00 NL 1.00 ! NY 0.95 OV 0.94 PT 1.02 SC 0.98 ! WZ 1.04 ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 FT 1.00* HN 0.99 ! KP 0.96 LA 0.99 MK 0.99 NL 1.01 ! NY 0.94 OV 0.95 PT 1.00 SC 0.98 ! WZ 1.04 ! ! ! Fit before self-cal, rms=0.147149Jy sigma=1.913565 ! Fit after self-cal, rms=0.140935Jy sigma=1.854090 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6849 mas, bmaj=1.169 mas, bpa=-17.94 degrees ! Estimated noise=0.334522 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 = -0.00354122 Jy ! Component: 100 - total flux cleaned = -0.00560274 Jy ! Component: 150 - total flux cleaned = -0.00707137 Jy ! Component: 200 - total flux cleaned = -0.00788657 Jy ! Total flux subtracted in 200 components = -0.00788657 Jy ! Clean residual min=-0.013013 max=0.011026 Jy/beam ! Clean residual mean=-0.000275 rms=0.002743 Jy/beam ! Combined flux in latest and established models = 0.984775 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 0.984775 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140340Jy sigma=1.849322 ! Fit after self-cal, rms=0.140240Jy sigma=1.848829 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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. ! ! Fit before self-cal, rms=0.140240Jy sigma=1.848829 ! Fit after self-cal, rms=0.133456Jy sigma=1.721731 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6849 mas, bmaj=1.17 mas, bpa=-17.95 degrees ! Estimated noise=0.334125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0022959 Jy ! Component: 100 - total flux cleaned = 0.00227574 Jy ! Component: 150 - total flux cleaned = 0.00249651 Jy ! Component: 200 - total flux cleaned = 0.0028881 Jy ! Total flux subtracted in 200 components = 0.0028881 Jy ! Clean residual min=-0.005508 max=0.005976 Jy/beam ! Clean residual mean=0.000020 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 0.987663 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 0.987663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133180Jy sigma=1.717608 ! Fit after self-cal, rms=0.133248Jy sigma=1.717269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 (0.8, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00452344 Jy ! Component: 100 - total flux cleaned = 0.00454294 Jy ! Component: 150 - total flux cleaned = 0.00431375 Jy ! Component: 200 - total flux cleaned = 0.00410919 Jy ! Total flux subtracted in 200 components = 0.00410919 Jy ! Clean residual min=-0.004988 max=0.004684 Jy/beam ! Clean residual mean=0.000012 rms=0.000966 Jy/beam ! Combined flux in latest and established models = 0.991772 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 0.991772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132922Jy sigma=1.712800 ! Fit after self-cal, rms=0.132910Jy sigma=1.712469 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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. ! ! Fit before self-cal, rms=0.132910Jy sigma=1.712469 ! Fit after self-cal, rms=0.132073Jy sigma=1.693301 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6847 mas, bmaj=1.169 mas, bpa=-18.03 degrees ! Estimated noise=0.334689 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00355101 Jy ! Component: 100 - total flux cleaned = 0.00436908 Jy ! Component: 150 - total flux cleaned = 0.00463762 Jy ! Component: 200 - total flux cleaned = 0.00475784 Jy ! Total flux subtracted in 200 components = 0.00475784 Jy ! Clean residual min=-0.002456 max=0.002970 Jy/beam ! Clean residual mean=0.000012 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.99653 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 57 components and 0.99653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131973Jy sigma=1.691502 ! Fit after self-cal, rms=0.132000Jy sigma=1.691292 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 (5, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000884825 Jy ! Component: 100 - total flux cleaned = 0.00129904 Jy ! Component: 150 - total flux cleaned = 0.00165178 Jy ! Component: 200 - total flux cleaned = 0.0019707 Jy ! Total flux subtracted in 200 components = 0.0019707 Jy ! Clean residual min=-0.002541 max=0.002615 Jy/beam ! Clean residual mean=0.000009 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.998501 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 72 components and 0.998501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131901Jy sigma=1.689780 ! Fit after self-cal, rms=0.131893Jy sigma=1.689713 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (13, 8.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134243 Jy ! Component: 100 - total flux cleaned = 0.00152643 Jy ! Component: 150 - total flux cleaned = 0.0017979 Jy ! Component: 200 - total flux cleaned = 0.00194882 Jy ! Total flux subtracted in 200 components = 0.00194882 Jy ! Clean residual min=-0.002385 max=0.002536 Jy/beam ! Clean residual mean=0.000006 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 1.00045 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 81 components and 1.00045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131839Jy sigma=1.688795 ! Fit after self-cal, rms=0.131834Jy sigma=1.688761 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (9.4, 22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181971 Jy ! Component: 100 - total flux cleaned = 0.00214898 Jy ! Component: 150 - total flux cleaned = 0.00219922 Jy ! Component: 200 - total flux cleaned = 0.00224545 Jy ! Total flux subtracted in 200 components = 0.00224545 Jy ! Clean residual min=-0.002435 max=0.002474 Jy/beam ! Clean residual mean=0.000004 rms=0.000550 Jy/beam ! Combined flux in latest and established models = 1.00269 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 94 components and 1.00269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131780Jy sigma=1.688015 ! Fit after self-cal, rms=0.131779Jy sigma=1.687985 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (-24.4, -45.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129658 Jy ! Component: 100 - total flux cleaned = 0.00164743 Jy ! Component: 150 - total flux cleaned = 0.00178499 Jy ! Component: 200 - total flux cleaned = 0.00178595 Jy ! Total flux subtracted in 200 components = 0.00178595 Jy ! Clean residual min=-0.002385 max=0.002250 Jy/beam ! Clean residual mean=0.000004 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 1.00448 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 113 components and 1.00448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131729Jy sigma=1.687310 ! Fit after self-cal, rms=0.131725Jy sigma=1.687284 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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. ! ! Fit before self-cal, rms=0.131725Jy sigma=1.687284 ! Fit after self-cal, rms=0.131726Jy sigma=1.686862 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=2.207 mas, bmaj=2.492 mas, bpa=-33.27 degrees ! Estimated noise=0.534711 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146203 Jy ! Component: 100 - total flux cleaned = 0.00140539 Jy ! Component: 150 - total flux cleaned = 0.00112637 Jy ! Component: 200 - total flux cleaned = 0.000944343 Jy ! Total flux subtracted in 200 components = 0.000944343 Jy ! Clean residual min=-0.002739 max=0.002609 Jy/beam ! Clean residual mean=0.000030 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 1.00543 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 123 components and 1.00543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131727Jy sigma=1.686886 ! Fit after self-cal, rms=0.131715Jy sigma=1.686847 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 = 4.10161e-05 Jy ! Component: 100 - total flux cleaned = -1.50898e-05 Jy ! Component: 150 - total flux cleaned = -6.53302e-05 Jy ! Component: 200 - total flux cleaned = -0.000135553 Jy ! Total flux subtracted in 200 components = -0.000135553 Jy ! Clean residual min=-0.002824 max=0.002552 Jy/beam ! Clean residual mean=0.000029 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 1.00529 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 133 components and 1.00529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131718Jy sigma=1.686881 ! Fit after self-cal, rms=0.131716Jy sigma=1.686870 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6846 mas, bmaj=1.168 mas, bpa=-18.08 degrees ! Estimated noise=0.334773 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6846 x 1.168 at -18.08 degrees (North through East) ! Clean map min=-0.0035653 max=0.82895 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. ! ! Fit before self-cal, rms=0.131716Jy sigma=1.686870 ! Fit after self-cal, rms=0.122887Jy sigma=1.542281 ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6848 mas, bmaj=1.168 mas, bpa=-18.05 degrees ! Estimated noise=0.334972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00075917 Jy ! Component: 100 - total flux cleaned = 0.000916635 Jy ! Component: 150 - total flux cleaned = 0.00087098 Jy ! Component: 200 - total flux cleaned = 0.000827404 Jy ! Total flux subtracted in 200 components = 0.000827404 Jy ! Clean residual min=-0.002237 max=0.002262 Jy/beam ! Clean residual mean=-0.000000 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 1.00612 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 143 components and 1.00612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122849Jy sigma=1.541738 ! Fit after self-cal, rms=0.122847Jy sigma=1.541713 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (-41.4, 31.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000846905 Jy ! Component: 100 - total flux cleaned = 0.00106945 Jy ! Component: 150 - total flux cleaned = 0.00140122 Jy ! Component: 200 - total flux cleaned = 0.00157638 Jy ! Total flux subtracted in 200 components = 0.00157638 Jy ! Clean residual min=-0.002239 max=0.002052 Jy/beam ! Clean residual mean=-0.000001 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 1.00769 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 157 components and 1.00769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122790Jy sigma=1.540914 ! Fit after self-cal, rms=0.122791Jy sigma=1.540878 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122791Jy sigma=1.540878 ! Fit after self-cal, rms=0.122843Jy sigma=1.540795 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 ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.5892 mas, bmaj=0.9899 mas, bpa=-19.26 degrees ! Estimated noise=0.583633 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.632072 Jy ! Component: 100 - total flux cleaned = 0.799423 Jy ! Component: 150 - total flux cleaned = 0.875308 Jy ! Component: 200 - total flux cleaned = 0.913236 Jy ! Total flux subtracted in 200 components = 0.913236 Jy ! Clean residual min=-0.008061 max=0.019422 Jy/beam ! Clean residual mean=0.000018 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 0.913236 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.913236 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6847 mas, bmaj=1.168 mas, bpa=-18.07 degrees ! Estimated noise=0.335135 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 = 0.0352244 Jy ! Component: 100 - total flux cleaned = 0.0554194 Jy ! Component: 150 - total flux cleaned = 0.0676524 Jy ! Component: 200 - total flux cleaned = 0.0751694 Jy ! Total flux subtracted in 200 components = 0.0751694 Jy ! Clean residual min=-0.002763 max=0.004065 Jy/beam ! Clean residual mean=0.000027 rms=0.000719 Jy/beam ! Combined flux in latest and established models = 0.988406 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 25 components and 0.988406 Jy ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (0.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00496637 Jy ! Component: 100 - total flux cleaned = 0.00821368 Jy ! Component: 150 - total flux cleaned = 0.00999634 Jy ! Component: 200 - total flux cleaned = 0.0116094 Jy ! Total flux subtracted in 200 components = 0.0116094 Jy ! Clean residual min=-0.002356 max=0.003149 Jy/beam ! Clean residual mean=0.000012 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 1.00002 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 41 components and 1.00002 Jy ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (2.2, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0025157 Jy ! Component: 100 - total flux cleaned = 0.00341227 Jy ! Component: 150 - total flux cleaned = 0.00424915 Jy ! Component: 200 - total flux cleaned = 0.00468677 Jy ! Total flux subtracted in 200 components = 0.00468677 Jy ! Clean residual min=-0.002261 max=0.002431 Jy/beam ! Clean residual mean=0.000006 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 1.0047 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 59 components and 1.0047 Jy ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Added new window around map position (3.4, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145084 Jy ! Component: 100 - total flux cleaned = 0.00168996 Jy ! Component: 150 - total flux cleaned = 0.0019156 Jy ! Component: 200 - total flux cleaned = 0.00213077 Jy ! Total flux subtracted in 200 components = 0.00213077 Jy ! Clean residual min=-0.002162 max=0.002195 Jy/beam ! Clean residual mean=0.000003 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 1.00683 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 72 components and 1.00683 Jy ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec 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 ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=2.207 mas, bmaj=2.492 mas, bpa=-33.23 degrees ! Estimated noise=0.535343 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146025 Jy ! Component: 100 - total flux cleaned = 0.00145511 Jy ! Component: 150 - total flux cleaned = 0.00155689 Jy ! Component: 200 - total flux cleaned = 0.0016905 Jy ! Total flux subtracted in 200 components = 0.0016905 Jy ! Clean residual min=-0.003081 max=0.002579 Jy/beam ! Clean residual mean=-0.000005 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 1.00852 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 = -4.36232e-05 Jy ! Component: 100 - total flux cleaned = -8.07461e-05 Jy ! Component: 150 - total flux cleaned = -8.126e-05 Jy ! Component: 200 - total flux cleaned = 1.44039e-05 Jy ! Total flux subtracted in 200 components = 1.44039e-05 Jy ! Clean residual min=-0.002988 max=0.002455 Jy/beam ! Clean residual mean=-0.000005 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 1.00854 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 97 components and 1.00854 Jy ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6847 mas, bmaj=1.168 mas, bpa=-18.07 degrees ! Estimated noise=0.335135 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000305597 Jy ! Component: 100 - total flux cleaned = -0.000700442 Jy ! Component: 150 - total flux cleaned = -0.000823884 Jy ! Component: 200 - total flux cleaned = -0.000999195 Jy ! Total flux subtracted in 200 components = -0.000999195 Jy ! Clean residual min=-0.002052 max=0.002009 Jy/beam ! Clean residual mean=0.000002 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 1.00754 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 112 components and 1.00754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122885Jy sigma=1.541503 ! Fit after self-cal, rms=0.122860Jy sigma=1.541185 wmodel J1753+2848_X_map.mod ! Writing 112 model components to file: J1753+2848_X_map.mod wobs J1753+2848_X_uvs.fits ! Writing UV FITS file: J1753+2848_X_uvs.fits wwins J1753+2848_X_map.win ! wwins: Wrote 12 windows to J1753+2848_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000360558 Jy ! Component: 100 - total flux cleaned = -0.000804853 Jy ! Component: 150 - total flux cleaned = -0.00123738 Jy ! Component: 200 - total flux cleaned = -0.00162367 Jy ! Component: 250 - total flux cleaned = -0.00189829 Jy ! Component: 300 - total flux cleaned = -0.00206619 Jy ! Component: 350 - total flux cleaned = -0.00223196 Jy ! Component: 400 - total flux cleaned = -0.00242768 Jy ! Component: 450 - total flux cleaned = -0.00252435 Jy ! Component: 500 - total flux cleaned = -0.00271507 Jy ! Component: 550 - total flux cleaned = -0.00277734 Jy ! Component: 600 - total flux cleaned = -0.00280862 Jy ! Component: 650 - total flux cleaned = -0.00280867 Jy ! Component: 700 - total flux cleaned = -0.00283928 Jy ! Component: 750 - total flux cleaned = -0.0028992 Jy ! Component: 800 - total flux cleaned = -0.00295878 Jy ! Component: 850 - total flux cleaned = -0.00295877 Jy ! Component: 900 - total flux cleaned = -0.00295939 Jy ! Component: 950 - total flux cleaned = -0.00313176 Jy ! Component: 1000 - total flux cleaned = -0.00310279 Jy ! Component: 1050 - total flux cleaned = -0.00304611 Jy ! Component: 1100 - total flux cleaned = -0.00307362 Jy ! Component: 1150 - total flux cleaned = -0.00304581 Jy ! Component: 1200 - total flux cleaned = -0.00299126 Jy ! Component: 1250 - total flux cleaned = -0.00301879 Jy ! Component: 1300 - total flux cleaned = -0.00304599 Jy ! Component: 1350 - total flux cleaned = -0.00296554 Jy ! Component: 1400 - total flux cleaned = -0.00301879 Jy ! Component: 1450 - total flux cleaned = -0.00293922 Jy ! Component: 1500 - total flux cleaned = -0.00288679 Jy ! Component: 1550 - total flux cleaned = -0.00291276 Jy ! Component: 1600 - total flux cleaned = -0.00291259 Jy ! Component: 1650 - total flux cleaned = -0.00283529 Jy ! Component: 1700 - total flux cleaned = -0.00275893 Jy ! Component: 1750 - total flux cleaned = -0.00278419 Jy ! Component: 1800 - total flux cleaned = -0.00273381 Jy ! Component: 1850 - total flux cleaned = -0.00268372 Jy ! Component: 1900 - total flux cleaned = -0.0027089 Jy ! Component: 1950 - total flux cleaned = -0.00288184 Jy ! Component: 2000 - total flux cleaned = -0.00275884 Jy ! Component: 2050 - total flux cleaned = -0.00285674 Jy ! Component: 2100 - total flux cleaned = -0.00288092 Jy ! Component: 2150 - total flux cleaned = -0.00283254 Jy ! Component: 2200 - total flux cleaned = -0.00285672 Jy ! Component: 2250 - total flux cleaned = -0.00290459 Jy ! Component: 2300 - total flux cleaned = -0.0029758 Jy ! Component: 2350 - total flux cleaned = -0.00304676 Jy ! Component: 2400 - total flux cleaned = -0.0030468 Jy ! Component: 2450 - total flux cleaned = -0.00302343 Jy ! Component: 2500 - total flux cleaned = -0.00316324 Jy ! Component: 2550 - total flux cleaned = -0.00323275 Jy ! Component: 2600 - total flux cleaned = -0.00323278 Jy ! Component: 2650 - total flux cleaned = -0.00327876 Jy ! Component: 2700 - total flux cleaned = -0.00330141 Jy ! Component: 2750 - total flux cleaned = -0.00348296 Jy ! Component: 2800 - total flux cleaned = -0.00346005 Jy ! Component: 2850 - total flux cleaned = -0.00345997 Jy ! Component: 2900 - total flux cleaned = -0.00361641 Jy ! Component: 2950 - total flux cleaned = -0.00359403 Jy ! Component: 3000 - total flux cleaned = -0.00363838 Jy ! Component: 3050 - total flux cleaned = -0.00374864 Jy ! Component: 3100 - total flux cleaned = -0.00370486 Jy ! Component: 3150 - total flux cleaned = -0.00370477 Jy ! Component: 3200 - total flux cleaned = -0.00377025 Jy ! Component: 3250 - total flux cleaned = -0.00381357 Jy ! Component: 3300 - total flux cleaned = -0.00385676 Jy ! Component: 3350 - total flux cleaned = -0.0038997 Jy ! Component: 3400 - total flux cleaned = -0.00398534 Jy ! Component: 3450 - total flux cleaned = -0.00402789 Jy ! Component: 3500 - total flux cleaned = -0.00402786 Jy ! Component: 3550 - total flux cleaned = -0.00407005 Jy ! Component: 3600 - total flux cleaned = -0.00411213 Jy ! Component: 3650 - total flux cleaned = -0.00419574 Jy ! Component: 3700 - total flux cleaned = -0.00409167 Jy ! Component: 3750 - total flux cleaned = -0.00419561 Jy ! Component: 3800 - total flux cleaned = -0.00431975 Jy ! Component: 3850 - total flux cleaned = -0.00431976 Jy ! Component: 3900 - total flux cleaned = -0.00431988 Jy ! Component: 3950 - total flux cleaned = -0.00438104 Jy ! Component: 4000 - total flux cleaned = -0.00446249 Jy ! Component: 4050 - total flux cleaned = -0.00452333 Jy ! Total flux subtracted in 4096 components = -0.00460418 Jy ! Clean residual min=-0.001132 max=0.001318 Jy/beam ! Clean residual mean=0.000001 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 1.00293 Jy keep ! Adding 353 model components to the UV plane model. ! The established model now contains 465 components and 1.00293 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /scr/pima/rdv91_uvs/J1753+2848_X_map.fits ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6847 x 1.168 at -18.07 degrees (North through East) ! Clean map min=-0.0023962 max=0.82946 Jy/beam ! Writing clean map to FITS file: /scr/pima/rdv91_uvs/J1753+2848_X_map.fits wmodel /scr/pima/rdv91_uvs/J1753+2848_X_map.mod ! Writing 465 model components to file: /scr/pima/rdv91_uvs/J1753+2848_X_map.mod wobs /scr/pima/rdv91_uvs/J1753+2848_X_uvs.fits ! Writing UV FITS file: /scr/pima/rdv91_uvs/J1753+2848_X_uvs.fits wwins /scr/pima/rdv91_uvs/J1753+2848_X_map.win ! wwins: Wrote 13 windows to /scr/pima/rdv91_uvs/J1753+2848_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.82946 invert ! Inverting map ! Your choice of large map pixels excluded 0.692% of the data. ! The x-axis pixel size should ideally be below 0.1805 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000334908 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.12113 0.12113 0.24226 0.48452 0.969041 1.93808 3.87616 7.75233 15.5047 31.0093 62.0186 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.829 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2476.68 quit ! Quitting program ! Log file /scr/pima/rdv91_uvs/J1753+2848_X_dfm.log closed on Fri Jun 15 11:28:52 2018