! Started logfile: /vlbi/uf001/uva//J1657+4808_S_dfm.log on Mon Jan 14 03:57:59 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uva//J1657+4808_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1657+4808_S_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.961014 visibilities/baseline/integration-bin. ! Found source: J1657+4808 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 7395 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1657+4808_S] 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 0.500x0.500 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 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.159925Jy sigma=22.067925 ! Fit after self-cal, rms=0.392990Jy sigma=7.688407 ! 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=2.998 mas, bmaj=4.533 mas, bpa=-15.1 degrees ! Estimated noise=0.649179 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 = 0.470159 Jy ! Component: 100 - total flux cleaned = 0.575728 Jy ! Total flux subtracted in 100 components = 0.575728 Jy ! Clean residual min=-0.015890 max=0.040281 Jy/beam ! Clean residual mean=-0.000079 rms=0.004418 Jy/beam ! Combined flux in latest and established models = 0.575728 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.575728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.131122Jy sigma=2.410892 ! Fit after self-cal, rms=0.131113Jy sigma=2.410708 ! Inverting map ! Added new window around map position (-5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0452885 Jy ! Component: 100 - total flux cleaned = 0.0744407 Jy ! Total flux subtracted in 100 components = 0.0744407 Jy ! Clean residual min=-0.012419 max=0.016632 Jy/beam ! Clean residual mean=-0.000065 rms=0.003250 Jy/beam ! Combined flux in latest and established models = 0.650169 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 27 components and 0.650168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.103230Jy sigma=1.931896 ! Fit after self-cal, rms=0.102486Jy sigma=1.915886 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226057 Jy ! Component: 100 - total flux cleaned = 0.0382799 Jy ! Total flux subtracted in 100 components = 0.0382799 Jy ! Clean residual min=-0.011504 max=0.014865 Jy/beam ! Clean residual mean=-0.000057 rms=0.002800 Jy/beam ! Combined flux in latest and established models = 0.688448 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 47 components and 0.688448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092728Jy sigma=1.758304 ! Fit after self-cal, rms=0.092489Jy sigma=1.752500 ! 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=3.573 mas, bmaj=5.408 mas, bpa=-14.82 degrees ! Estimated noise=0.453292 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 (-9.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.024101 Jy ! Component: 100 - total flux cleaned = 0.0403074 Jy ! Component: 150 - total flux cleaned = 0.0527988 Jy ! Component: 200 - total flux cleaned = 0.0628224 Jy ! Total flux subtracted in 200 components = 0.0628224 Jy ! Clean residual min=-0.014283 max=0.012024 Jy/beam ! Clean residual mean=-0.000089 rms=0.003115 Jy/beam ! Combined flux in latest and established models = 0.751271 Jy ! Performing phase self-cal ! Adding 73 model components to the UV plane model. ! The established model now contains 108 components and 0.751271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083314Jy sigma=1.606120 ! Fit after self-cal, rms=0.082997Jy sigma=1.599180 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.573 x 5.408 at -14.82 degrees (North through East) ! Clean map min=-0.013154 max=0.6106 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.02 KP 1.01 ! LA 0.95 MK 1.00 NL 0.98 OV 0.99 ! PT 0.96 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.95 HN 0.99 KP 0.99 ! LA 0.96 MK 1.03 NL 1.01 OV 1.13 ! PT 0.95 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.01 KP 0.99 ! LA 0.98 MK 1.02 NL 0.99 OV 1.01 ! PT 0.96 SC 1.02 ! ! ! Fit before self-cal, rms=0.082997Jy sigma=1.599180 ! Fit after self-cal, rms=0.079416Jy sigma=1.458600 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.605 mas, bmaj=5.456 mas, bpa=-14.99 degrees ! Estimated noise=0.450666 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 = 0.00567668 Jy ! Component: 100 - total flux cleaned = 0.00824066 Jy ! Component: 150 - total flux cleaned = 0.0100514 Jy ! Component: 200 - total flux cleaned = 0.010866 Jy ! Total flux subtracted in 200 components = 0.010866 Jy ! Clean residual min=-0.011242 max=0.009874 Jy/beam ! Clean residual mean=-0.000066 rms=0.002624 Jy/beam ! Combined flux in latest and established models = 0.762137 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 132 components and 0.762137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078745Jy sigma=1.445917 ! Fit after self-cal, rms=0.078711Jy sigma=1.444924 ! 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. ! ! Fit before self-cal, rms=0.078711Jy sigma=1.444924 ! Fit after self-cal, rms=0.061442Jy sigma=1.084006 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.602 mas, bmaj=5.455 mas, bpa=-15 degrees ! Estimated noise=0.450283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328109 Jy ! Component: 100 - total flux cleaned = 0.00419344 Jy ! Component: 150 - total flux cleaned = 0.0049998 Jy ! Component: 200 - total flux cleaned = 0.00573511 Jy ! Total flux subtracted in 200 components = 0.00573511 Jy ! Clean residual min=-0.003140 max=0.004618 Jy/beam ! Clean residual mean=0.000003 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.767872 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 155 components and 0.767872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061068Jy sigma=1.076913 ! Fit after self-cal, rms=0.061074Jy sigma=1.076224 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-24, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00442184 Jy ! Component: 100 - total flux cleaned = 0.00712676 Jy ! Component: 150 - total flux cleaned = 0.00859181 Jy ! Component: 200 - total flux cleaned = 0.00955171 Jy ! Total flux subtracted in 200 components = 0.00955171 Jy ! Clean residual min=-0.002690 max=0.003082 Jy/beam ! Clean residual mean=0.000002 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.777424 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 181 components and 0.777424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060660Jy sigma=1.068852 ! Fit after self-cal, rms=0.060648Jy sigma=1.068430 ! Inverting map ! Added new window around map position (11, -49.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000703254 Jy ! Component: 100 - total flux cleaned = 0.00148048 Jy ! Component: 150 - total flux cleaned = 0.00207068 Jy ! Component: 200 - total flux cleaned = 0.00241689 Jy ! Total flux subtracted in 200 components = 0.00241689 Jy ! Clean residual min=-0.002614 max=0.002612 Jy/beam ! Clean residual mean=0.000002 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 0.77984 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 199 components and 0.77984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060435Jy sigma=1.064589 ! Fit after self-cal, rms=0.060428Jy sigma=1.064494 ! 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. ! ! Fit before self-cal, rms=0.060428Jy sigma=1.064494 ! Fit after self-cal, rms=0.060388Jy sigma=1.063363 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.602 mas, bmaj=5.457 mas, bpa=-14.9 degrees ! Estimated noise=0.450039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000511317 Jy ! Component: 100 - total flux cleaned = 0.000979329 Jy ! Component: 150 - total flux cleaned = 0.00144827 Jy ! Component: 200 - total flux cleaned = 0.00178229 Jy ! Total flux subtracted in 200 components = 0.00178229 Jy ! Clean residual min=-0.002490 max=0.002483 Jy/beam ! Clean residual mean=0.000002 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.781623 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 225 components and 0.781623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060289Jy sigma=1.061589 ! Fit after self-cal, rms=0.060290Jy sigma=1.061525 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 = 0.000587782 Jy ! Component: 100 - total flux cleaned = 0.000847881 Jy ! Component: 150 - total flux cleaned = 0.0011332 Jy ! Component: 200 - total flux cleaned = 0.00136438 Jy ! Total flux subtracted in 200 components = 0.00136438 Jy ! Clean residual min=-0.002355 max=0.002453 Jy/beam ! Clean residual mean=0.000002 rms=0.000592 Jy/beam ! Combined flux in latest and established models = 0.782987 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 236 components and 0.782987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060235Jy sigma=1.060553 ! Fit after self-cal, rms=0.060237Jy sigma=1.060524 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.060237Jy sigma=1.060524 ! Fit after self-cal, rms=0.060240Jy sigma=1.060343 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.635 mas, bmaj=8.772 mas, bpa=-15.92 degrees ! Estimated noise=0.579407 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189327 Jy ! Component: 100 - total flux cleaned = 0.00313622 Jy ! Component: 150 - total flux cleaned = 0.00382581 Jy ! Component: 200 - total flux cleaned = 0.00420777 Jy ! Total flux subtracted in 200 components = 0.00420777 Jy ! Clean residual min=-0.002886 max=0.003384 Jy/beam ! Clean residual mean=0.000009 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.787195 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 253 components and 0.787195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060212Jy sigma=1.059807 ! Fit after self-cal, rms=0.060215Jy sigma=1.059721 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 = 0.000623337 Jy ! Component: 100 - total flux cleaned = 0.000908743 Jy ! Component: 150 - total flux cleaned = 0.0010513 Jy ! Component: 200 - total flux cleaned = 0.00115588 Jy ! Total flux subtracted in 200 components = 0.00115588 Jy ! Clean residual min=-0.002828 max=0.003411 Jy/beam ! Clean residual mean=0.000010 rms=0.000827 Jy/beam ! Combined flux in latest and established models = 0.788351 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 263 components and 0.788351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060199Jy sigma=1.059501 ! Fit after self-cal, rms=0.060201Jy sigma=1.059482 ! 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=3.602 mas, bmaj=5.46 mas, bpa=-14.85 degrees ! Estimated noise=0.449961 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.602 x 5.46 at -14.85 degrees (North through East) ! Clean map min=-0.0032886 max=0.60451 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. ! ! Fit before self-cal, rms=0.060201Jy sigma=1.059482 ! Fit after self-cal, rms=0.056836Jy sigma=0.986605 ! Inverting map and beam ! Estimated beam: bmin=3.602 mas, bmaj=5.46 mas, bpa=-14.84 degrees ! Estimated noise=0.450006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000219344 Jy ! Component: 100 - total flux cleaned = -0.000256982 Jy ! Component: 150 - total flux cleaned = -0.000256841 Jy ! Component: 200 - total flux cleaned = -0.000255124 Jy ! Total flux subtracted in 200 components = -0.000255124 Jy ! Clean residual min=-0.002231 max=0.002459 Jy/beam ! Clean residual mean=0.000004 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.788096 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 277 components and 0.788096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056795Jy sigma=0.985839 ! Fit after self-cal, rms=0.056795Jy sigma=0.985811 ! Inverting map ! Added new window around map position (-0.5, -25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00232477 Jy ! Component: 100 - total flux cleaned = 0.00372013 Jy ! Component: 150 - total flux cleaned = 0.0045595 Jy ! Component: 200 - total flux cleaned = 0.0048726 Jy ! Total flux subtracted in 200 components = 0.0048726 Jy ! Clean residual min=-0.002198 max=0.002139 Jy/beam ! Clean residual mean=0.000005 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 0.792968 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 306 components and 0.792968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056686Jy sigma=0.983365 ! Fit after self-cal, rms=0.056683Jy sigma=0.983230 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056683Jy sigma=0.983230 ! Fit after self-cal, rms=0.056670Jy sigma=0.983115 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=3.017 mas, bmaj=4.57 mas, bpa=-15.42 degrees ! Estimated noise=0.645893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.467447 Jy ! Component: 100 - total flux cleaned = 0.573275 Jy ! Component: 150 - total flux cleaned = 0.620879 Jy ! Component: 200 - total flux cleaned = 0.651091 Jy ! Total flux subtracted in 200 components = 0.651091 Jy ! Clean residual min=-0.006806 max=0.016333 Jy/beam ! Clean residual mean=-0.000026 rms=0.002039 Jy/beam ! Combined flux in latest and established models = 0.651091 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.651091 Jy ! Inverting map and beam ! Estimated beam: bmin=3.603 mas, bmaj=5.461 mas, bpa=-14.82 degrees ! Estimated noise=0.449998 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 = 0.030945 Jy ! Component: 100 - total flux cleaned = 0.0512487 Jy ! Component: 150 - total flux cleaned = 0.0659799 Jy ! Component: 200 - total flux cleaned = 0.0770585 Jy ! Total flux subtracted in 200 components = 0.0770585 Jy ! Clean residual min=-0.004037 max=0.006735 Jy/beam ! Clean residual mean=-0.000007 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.728149 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 91 components and 0.728149 Jy ! Inverting map ! Added new window around map position (-15.5, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00877895 Jy ! Component: 100 - total flux cleaned = 0.0159587 Jy ! Component: 150 - total flux cleaned = 0.0219513 Jy ! Component: 200 - total flux cleaned = 0.0269942 Jy ! Total flux subtracted in 200 components = 0.0269942 Jy ! Clean residual min=-0.003229 max=0.003193 Jy/beam ! Clean residual mean=-0.000001 rms=0.000808 Jy/beam ! Combined flux in latest and established models = 0.755144 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 152 components and 0.755143 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.634 mas, bmaj=8.774 mas, bpa=-15.86 degrees ! Estimated noise=0.57934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00813242 Jy ! Component: 100 - total flux cleaned = 0.0139439 Jy ! Component: 150 - total flux cleaned = 0.0185076 Jy ! Component: 200 - total flux cleaned = 0.02222 Jy ! Total flux subtracted in 200 components = 0.02222 Jy ! Clean residual min=-0.003241 max=0.002992 Jy/beam ! Clean residual mean=0.000007 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.777363 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 = 0.00310461 Jy ! Component: 100 - total flux cleaned = 0.00575802 Jy ! Component: 150 - total flux cleaned = 0.00804628 Jy ! Component: 200 - total flux cleaned = 0.0100294 Jy ! Total flux subtracted in 200 components = 0.0100294 Jy ! Clean residual min=-0.002810 max=0.002879 Jy/beam ! Clean residual mean=0.000012 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.787393 Jy ! Adding 180 model components to the UV plane model. ! The established model now contains 323 components and 0.787393 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.603 mas, bmaj=5.461 mas, bpa=-14.82 degrees ! Estimated noise=0.449998 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000818513 Jy ! Component: 100 - total flux cleaned = 0.00180514 Jy ! Component: 150 - total flux cleaned = 0.00261589 Jy ! Component: 200 - total flux cleaned = 0.00329726 Jy ! Total flux subtracted in 200 components = 0.00329726 Jy ! Clean residual min=-0.002270 max=0.002114 Jy/beam ! Clean residual mean=0.000005 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.79069 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 348 components and 0.79069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056759Jy sigma=0.985209 ! Fit after self-cal, rms=0.056744Jy sigma=0.984828 wmodel J1657+4808_S_map.mod ! Writing 348 model components to file: J1657+4808_S_map.mod wobs J1657+4808_S_uvs.fits ! Writing UV FITS file: J1657+4808_S_uvs.fits wwins J1657+4808_S_map.win ! wwins: Wrote 7 windows to J1657+4808_S_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 = -0.00053601 Jy ! Component: 100 - total flux cleaned = -0.000844422 Jy ! Component: 150 - total flux cleaned = -0.00102473 Jy ! Component: 200 - total flux cleaned = -0.00123038 Jy ! Component: 250 - total flux cleaned = -0.00139627 Jy ! Component: 300 - total flux cleaned = -0.00152538 Jy ! Component: 350 - total flux cleaned = -0.00171336 Jy ! Component: 400 - total flux cleaned = -0.00177421 Jy ! Component: 450 - total flux cleaned = -0.00183385 Jy ! Component: 500 - total flux cleaned = -0.00186309 Jy ! Component: 550 - total flux cleaned = -0.00197765 Jy ! Component: 600 - total flux cleaned = -0.00200543 Jy ! Component: 650 - total flux cleaned = -0.00200523 Jy ! Component: 700 - total flux cleaned = -0.0020865 Jy ! Component: 750 - total flux cleaned = -0.00211315 Jy ! Component: 800 - total flux cleaned = -0.00216531 Jy ! Component: 850 - total flux cleaned = -0.00226748 Jy ! Component: 900 - total flux cleaned = -0.00229293 Jy ! Component: 950 - total flux cleaned = -0.00241762 Jy ! Component: 1000 - total flux cleaned = -0.00251534 Jy ! Component: 1050 - total flux cleaned = -0.0026358 Jy ! Component: 1100 - total flux cleaned = -0.00263593 Jy ! Component: 1150 - total flux cleaned = -0.00279992 Jy ! Component: 1200 - total flux cleaned = -0.00284616 Jy ! Component: 1250 - total flux cleaned = -0.002915 Jy ! Component: 1300 - total flux cleaned = -0.00300538 Jy ! Component: 1350 - total flux cleaned = -0.00307249 Jy ! Component: 1400 - total flux cleaned = -0.00316021 Jy ! Component: 1450 - total flux cleaned = -0.00324721 Jy ! Component: 1500 - total flux cleaned = -0.0032898 Jy ! Component: 1550 - total flux cleaned = -0.00335324 Jy ! Component: 1600 - total flux cleaned = -0.00343689 Jy ! Component: 1650 - total flux cleaned = -0.00351979 Jy ! Component: 1700 - total flux cleaned = -0.00364257 Jy ! Component: 1750 - total flux cleaned = -0.00364246 Jy ! Component: 1800 - total flux cleaned = -0.0036827 Jy ! Component: 1850 - total flux cleaned = -0.00374247 Jy ! Component: 1900 - total flux cleaned = -0.00376237 Jy ! Component: 1950 - total flux cleaned = -0.00384043 Jy ! Component: 2000 - total flux cleaned = -0.0038018 Jy ! Component: 2050 - total flux cleaned = -0.00389769 Jy ! Component: 2100 - total flux cleaned = -0.00393552 Jy ! Component: 2150 - total flux cleaned = -0.00397282 Jy ! Component: 2200 - total flux cleaned = -0.00391687 Jy ! Component: 2250 - total flux cleaned = -0.00395375 Jy ! Component: 2300 - total flux cleaned = -0.00393554 Jy ! Component: 2350 - total flux cleaned = -0.00397161 Jy ! Component: 2400 - total flux cleaned = -0.00397161 Jy ! Component: 2450 - total flux cleaned = -0.00391826 Jy ! Component: 2500 - total flux cleaned = -0.00393582 Jy ! Component: 2550 - total flux cleaned = -0.00391834 Jy ! Component: 2600 - total flux cleaned = -0.00397007 Jy ! Component: 2650 - total flux cleaned = -0.00395303 Jy ! Component: 2700 - total flux cleaned = -0.00393616 Jy ! Component: 2750 - total flux cleaned = -0.0039531 Jy ! Component: 2800 - total flux cleaned = -0.00403632 Jy ! Component: 2850 - total flux cleaned = -0.00397012 Jy ! Component: 2900 - total flux cleaned = -0.00403562 Jy ! Component: 2950 - total flux cleaned = -0.00400293 Jy ! Component: 3000 - total flux cleaned = -0.00397069 Jy ! Component: 3050 - total flux cleaned = -0.00406667 Jy ! Component: 3100 - total flux cleaned = -0.00408246 Jy ! Component: 3150 - total flux cleaned = -0.00400361 Jy ! Component: 3200 - total flux cleaned = -0.00408162 Jy ! Component: 3250 - total flux cleaned = -0.0040353 Jy ! Component: 3300 - total flux cleaned = -0.00408168 Jy ! Component: 3350 - total flux cleaned = -0.00408161 Jy ! Component: 3400 - total flux cleaned = -0.00414231 Jy ! Component: 3450 - total flux cleaned = -0.0040821 Jy ! Component: 3500 - total flux cleaned = -0.00412697 Jy ! Component: 3550 - total flux cleaned = -0.00411216 Jy ! Component: 3600 - total flux cleaned = -0.00412688 Jy ! Component: 3650 - total flux cleaned = -0.00411233 Jy ! Component: 3700 - total flux cleaned = -0.00408335 Jy ! Component: 3750 - total flux cleaned = -0.00417005 Jy ! Component: 3800 - total flux cleaned = -0.00412702 Jy ! Component: 3850 - total flux cleaned = -0.00412711 Jy ! Component: 3900 - total flux cleaned = -0.00407061 Jy ! Component: 3950 - total flux cleaned = -0.00409888 Jy ! Component: 4000 - total flux cleaned = -0.00411297 Jy ! Component: 4050 - total flux cleaned = -0.00407126 Jy ! Total flux subtracted in 4096 components = -0.00405765 Jy ! Clean residual min=-0.000723 max=0.000978 Jy/beam ! Clean residual mean=0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.786632 Jy keep ! Adding 336 model components to the UV plane model. ! The established model now contains 684 components and 0.786633 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1657+4808_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.603 x 5.461 at -14.82 degrees (North through East) ! Clean map min=-0.0016833 max=0.6057 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1657+4808_S_map.fits wmodel /vlbi/uf001/uva//J1657+4808_S_map.mod ! Writing 684 model components to file: /vlbi/uf001/uva//J1657+4808_S_map.mod wobs /vlbi/uf001/uva//J1657+4808_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1657+4808_S_uvs.fits wwins /vlbi/uf001/uva//J1657+4808_S_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1657+4808_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.605696 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000256358 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.126973 0.126973 0.253947 0.507894 1.01579 2.03157 4.06315 8.1263 16.2526 32.5052 65.0104 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.605 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2362.7 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1657+4808_S_dfm.log closed on Mon Jan 14 03:58:05 2019