! Started logfile: /vlbi/uf001/uvm//J0237+2848_S_b_dfm.log on Sun Jan 13 20:37:01 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/uvm//J0237+2848_S_b_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J0237+2848_S_b_uvm.fits ! AN table 1: 50 integrations on 45 of 45 possible baselines. ! AN table 2: 26 integrations on 28 of 28 possible baselines. ! AN table 3: 15 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.685109 visibilities/baseline/integration-bin. ! Found source: J0237+2848 ! ! 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 6984 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 J0237+2848_S_b] 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 218 telescope corrections were flagged in sub-array 1. ! A total of 94 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 218 telescope corrections were flagged in sub-array 1. ! A total of 94 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 218 telescope corrections were flagged in sub-array 1. ! A total of 94 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.454709Jy sigma=22.132987 ! Fit after self-cal, rms=1.257676Jy sigma=10.571388 ! 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=2.689 mas, bmaj=4.999 mas, bpa=-2.587 degrees ! Estimated noise=1.34637 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 = 1.44564 Jy ! Component: 100 - total flux cleaned = 1.87528 Jy ! Total flux subtracted in 100 components = 1.87528 Jy ! Clean residual min=-0.053479 max=0.182001 Jy/beam ! Clean residual mean=-0.000037 rms=0.013453 Jy/beam ! Combined flux in latest and established models = 1.87528 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.87528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.577608Jy sigma=4.740034 ! Fit after self-cal, rms=0.577363Jy sigma=4.737526 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.204768 Jy ! Component: 100 - total flux cleaned = 0.322709 Jy ! Total flux subtracted in 100 components = 0.322709 Jy ! Clean residual min=-0.044829 max=0.098306 Jy/beam ! Clean residual mean=0.000004 rms=0.009858 Jy/beam ! Combined flux in latest and established models = 2.19798 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 2.19798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.423366Jy sigma=3.698322 ! Fit after self-cal, rms=0.423037Jy sigma=3.693200 ! Inverting map ! Added new window around map position (2.5, 12). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0934325 Jy ! Component: 100 - total flux cleaned = 0.155495 Jy ! Total flux subtracted in 100 components = 0.155495 Jy ! Clean residual min=-0.040789 max=0.085582 Jy/beam ! Clean residual mean=0.000014 rms=0.008821 Jy/beam ! Combined flux in latest and established models = 2.35348 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 2.35348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.373401Jy sigma=3.352394 ! Fit after self-cal, rms=0.372427Jy sigma=3.341261 ! Inverting map ! Added new window around map position (-1.5, 11). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0784978 Jy ! Component: 100 - total flux cleaned = 0.127537 Jy ! Total flux subtracted in 100 components = 0.127537 Jy ! Clean residual min=-0.034077 max=0.036475 Jy/beam ! Clean residual mean=0.000019 rms=0.007892 Jy/beam ! Combined flux in latest and established models = 2.48102 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 47 components and 2.48102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.340372Jy sigma=3.076101 ! Fit after self-cal, rms=0.338713Jy sigma=3.058749 ! 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=3.456 mas, bmaj=6.349 mas, bpa=-3.88 degrees ! Estimated noise=1.1059 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 = 0.0801701 Jy ! Component: 100 - total flux cleaned = 0.132966 Jy ! Component: 150 - total flux cleaned = 0.171345 Jy ! Component: 200 - total flux cleaned = 0.200271 Jy ! Total flux subtracted in 200 components = 0.200271 Jy ! Clean residual min=-0.033727 max=0.042698 Jy/beam ! Clean residual mean=0.000024 rms=0.009109 Jy/beam ! Combined flux in latest and established models = 2.68129 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 90 components and 2.68129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.309841Jy sigma=2.853269 ! Fit after self-cal, rms=0.308425Jy sigma=2.838928 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.456 x 6.349 at -3.88 degrees (North through East) ! Clean map min=-0.032326 max=1.9898 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 0.97 KP 0.99 ! LA 0.96 MK 1.00 NL 1.02 OV 0.99 ! PT 0.98 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HN 0.97 KP 1.00 ! LA 0.94 NL 1.04 OV 0.96 PT 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 0.98 HN 1.01 KP 1.01 ! LA 0.96 MK 1.12 NL 1.03 PT 1.00 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.96 HN 0.98 KP 0.99 ! LA 0.97 MK 1.01 NL 1.03 OV 0.92 ! PT 0.98 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 HN 0.98 KP 0.98 ! LA 0.94 NL 1.05 OV 0.94 PT 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.37 FD 0.99 HN 1.02 KP 1.02 ! LA 0.94 MK 1.10 NL 1.26 PT 1.04 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.97 KP 0.99 ! LA 0.97 MK 1.01 NL 1.06 OV 1.05 ! PT 0.99 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HN 0.99 KP 0.99 ! LA 0.94 NL 1.08 OV 0.96 PT 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.13 FD 0.98 HN 1.02 KP 1.03 ! LA 0.94 MK 1.08 NL 1.26 PT 1.03 ! ! ! Fit before self-cal, rms=0.308425Jy sigma=2.838928 ! Fit after self-cal, rms=0.393266Jy sigma=2.406460 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.474 mas, bmaj=6.415 mas, bpa=-3.946 degrees ! Estimated noise=1.12167 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 = 0.0139956 Jy ! Component: 100 - total flux cleaned = 0.0217659 Jy ! Component: 150 - total flux cleaned = 0.0266509 Jy ! Component: 200 - total flux cleaned = 0.0285806 Jy ! Total flux subtracted in 200 components = 0.0285806 Jy ! Clean residual min=-0.027688 max=0.028072 Jy/beam ! Clean residual mean=0.000081 rms=0.007199 Jy/beam ! Combined flux in latest and established models = 2.70987 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 107 components and 2.70987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.388969Jy sigma=2.403273 ! Fit after self-cal, rms=0.388889Jy sigma=2.402334 ! 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=0.388889Jy sigma=2.402334 ! Fit after self-cal, rms=0.126587Jy sigma=1.004269 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.482 mas, bmaj=6.388 mas, bpa=-4.015 degrees ! Estimated noise=1.12163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00227863 Jy ! Component: 100 - total flux cleaned = 0.00470261 Jy ! Component: 150 - total flux cleaned = 0.00657438 Jy ! Component: 200 - total flux cleaned = 0.00708301 Jy ! Total flux subtracted in 200 components = 0.00708301 Jy ! Clean residual min=-0.009580 max=0.009418 Jy/beam ! Clean residual mean=0.000013 rms=0.002204 Jy/beam ! Combined flux in latest and established models = 2.71695 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 123 components and 2.71695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.124115Jy sigma=0.982360 ! Fit after self-cal, rms=0.123918Jy sigma=0.980216 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 = 0.00207572 Jy ! Component: 100 - total flux cleaned = 0.00207029 Jy ! Component: 150 - total flux cleaned = 0.00207414 Jy ! Component: 200 - total flux cleaned = 0.0020836 Jy ! Total flux subtracted in 200 components = 0.0020836 Jy ! Clean residual min=-0.009551 max=0.009422 Jy/beam ! Clean residual mean=0.000011 rms=0.002173 Jy/beam ! Combined flux in latest and established models = 2.71903 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 131 components and 2.71903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.123135Jy sigma=0.974161 ! Fit after self-cal, rms=0.123110Jy sigma=0.973644 ! Inverting map ! Added new window around map position (-119.5, -59.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00260495 Jy ! Component: 100 - total flux cleaned = 0.00113009 Jy ! Component: 150 - total flux cleaned = 0.00070121 Jy ! Component: 200 - total flux cleaned = 0.000332355 Jy ! Total flux subtracted in 200 components = 0.000332355 Jy ! Clean residual min=-0.009199 max=0.009215 Jy/beam ! Clean residual mean=0.000011 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 2.71937 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 147 components and 2.71937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122010Jy sigma=0.965289 ! Fit after self-cal, rms=0.121997Jy sigma=0.964638 ! Inverting map ! Added new window around map position (-61.5, 79). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00376749 Jy ! Component: 100 - total flux cleaned = 0.00312158 Jy ! Component: 150 - total flux cleaned = 0.0025546 Jy ! Component: 200 - total flux cleaned = 0.00203157 Jy ! Total flux subtracted in 200 components = 0.00203157 Jy ! Clean residual min=-0.008942 max=0.007908 Jy/beam ! Clean residual mean=0.000010 rms=0.002068 Jy/beam ! Combined flux in latest and established models = 2.7214 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 168 components and 2.7214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.121097Jy sigma=0.957160 ! Fit after self-cal, rms=0.121072Jy sigma=0.956531 ! 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=0.121072Jy sigma=0.956531 ! Fit after self-cal, rms=0.071394Jy sigma=0.639865 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.479 mas, bmaj=6.39 mas, bpa=-3.981 degrees ! Estimated noise=1.12084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017695 Jy ! Component: 100 - total flux cleaned = 0.00208616 Jy ! Component: 150 - total flux cleaned = 0.00208001 Jy ! Component: 200 - total flux cleaned = 0.00221136 Jy ! Total flux subtracted in 200 components = 0.00221136 Jy ! Clean residual min=-0.005714 max=0.005848 Jy/beam ! Clean residual mean=0.000009 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 2.72361 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 177 components and 2.72361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070718Jy sigma=0.633350 ! Fit after self-cal, rms=0.070684Jy sigma=0.632731 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 (4.5, 21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00582011 Jy ! Component: 100 - total flux cleaned = 0.00765118 Jy ! Component: 150 - total flux cleaned = 0.0085019 Jy ! Component: 200 - total flux cleaned = 0.00888565 Jy ! Total flux subtracted in 200 components = 0.00888565 Jy ! Clean residual min=-0.004921 max=0.004661 Jy/beam ! Clean residual mean=0.000006 rms=0.000986 Jy/beam ! Combined flux in latest and established models = 2.73249 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 194 components and 2.73249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069970Jy sigma=0.624865 ! Fit after self-cal, rms=0.069930Jy sigma=0.624316 ! 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=0.069930Jy sigma=0.624316 ! Fit after self-cal, rms=0.069276Jy sigma=0.619102 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.462 mas, bmaj=10 mas, bpa=-12.22 degrees ! Estimated noise=1.47091 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000329555 Jy ! Component: 100 - total flux cleaned = 0.000930183 Jy ! Component: 150 - total flux cleaned = 0.00151088 Jy ! Component: 200 - total flux cleaned = 0.00194109 Jy ! Total flux subtracted in 200 components = 0.00194109 Jy ! Clean residual min=-0.004521 max=0.004986 Jy/beam ! Clean residual mean=0.000008 rms=0.001022 Jy/beam ! Combined flux in latest and established models = 2.73444 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 217 components and 2.73444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069028Jy sigma=0.616951 ! Fit after self-cal, rms=0.068986Jy sigma=0.616612 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 (-18.5, 105). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299488 Jy ! Component: 100 - total flux cleaned = 0.00395861 Jy ! Component: 150 - total flux cleaned = 0.00518626 Jy ! Component: 200 - total flux cleaned = 0.00602791 Jy ! Total flux subtracted in 200 components = 0.00602791 Jy ! Clean residual min=-0.004040 max=0.004064 Jy/beam ! Clean residual mean=0.000011 rms=0.000952 Jy/beam ! Combined flux in latest and established models = 2.74046 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 242 components and 2.74046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068725Jy sigma=0.614466 ! Fit after self-cal, rms=0.068682Jy sigma=0.614181 ! 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=3.478 mas, bmaj=6.392 mas, bpa=-3.968 degrees ! Estimated noise=1.12085 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.478 x 6.392 at -3.968 degrees (North through East) ! Clean map min=-0.0044446 max=2.0077 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=0.068682Jy sigma=0.614181 ! Fit after self-cal, rms=0.065749Jy sigma=0.573224 ! Inverting map and beam ! Estimated beam: bmin=3.479 mas, bmaj=6.393 mas, bpa=-3.975 degrees ! Estimated noise=1.12065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135735 Jy ! Component: 100 - total flux cleaned = 0.00201028 Jy ! Component: 150 - total flux cleaned = 0.00249042 Jy ! Component: 200 - total flux cleaned = 0.00272134 Jy ! Total flux subtracted in 200 components = 0.00272134 Jy ! Clean residual min=-0.004671 max=0.004381 Jy/beam ! Clean residual mean=0.000006 rms=0.000883 Jy/beam ! Combined flux in latest and established models = 2.74318 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 262 components and 2.74318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065346Jy sigma=0.568399 ! Fit after self-cal, rms=0.065326Jy sigma=0.568157 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000296654 Jy ! Component: 100 - total flux cleaned = 0.000848062 Jy ! Component: 150 - total flux cleaned = 0.00137121 Jy ! Component: 200 - total flux cleaned = 0.00177475 Jy ! Total flux subtracted in 200 components = 0.00177475 Jy ! Clean residual min=-0.004443 max=0.004223 Jy/beam ! Clean residual mean=0.000006 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 2.74496 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 274 components and 2.74496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065042Jy sigma=0.564575 ! Fit after self-cal, rms=0.065031Jy sigma=0.564386 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065031Jy sigma=0.564386 ! Fit after self-cal, rms=0.064999Jy sigma=0.564113 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=2.701 mas, bmaj=5.024 mas, bpa=-2.901 degrees ! Estimated noise=1.36999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.46841 Jy ! Component: 100 - total flux cleaned = 1.89903 Jy ! Component: 150 - total flux cleaned = 2.10405 Jy ! Component: 200 - total flux cleaned = 2.23272 Jy ! Total flux subtracted in 200 components = 2.23272 Jy ! Clean residual min=-0.026001 max=0.073120 Jy/beam ! Clean residual mean=-0.000019 rms=0.006192 Jy/beam ! Combined flux in latest and established models = 2.23272 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 2.23272 Jy ! Inverting map and beam ! Estimated beam: bmin=3.478 mas, bmaj=6.395 mas, bpa=-3.963 degrees ! Estimated noise=1.12084 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 = 0.150104 Jy ! Component: 100 - total flux cleaned = 0.246248 Jy ! Component: 150 - total flux cleaned = 0.311451 Jy ! Component: 200 - total flux cleaned = 0.357212 Jy ! Total flux subtracted in 200 components = 0.357212 Jy ! Clean residual min=-0.010358 max=0.026027 Jy/beam ! Clean residual mean=0.000012 rms=0.003127 Jy/beam ! Combined flux in latest and established models = 2.58993 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 61 components and 2.58993 Jy ! Inverting map ! Added new window around map position (-0.5, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0334845 Jy ! Component: 100 - total flux cleaned = 0.0585014 Jy ! Component: 150 - total flux cleaned = 0.0774005 Jy ! Component: 200 - total flux cleaned = 0.0917567 Jy ! Total flux subtracted in 200 components = 0.0917567 Jy ! Clean residual min=-0.006205 max=0.008883 Jy/beam ! Clean residual mean=0.000008 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 2.68169 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 86 components and 2.68169 Jy ! Inverting map ! Added new window around map position (5.5, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111406 Jy ! Component: 100 - total flux cleaned = 0.0199009 Jy ! Component: 150 - total flux cleaned = 0.0271084 Jy ! Component: 200 - total flux cleaned = 0.0309325 Jy ! Total flux subtracted in 200 components = 0.0309325 Jy ! Clean residual min=-0.005235 max=0.006894 Jy/beam ! Clean residual mean=0.000006 rms=0.001070 Jy/beam ! Combined flux in latest and established models = 2.71262 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 115 components and 2.71262 Jy ! Inverting map ! Added new window around map position (4, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00449346 Jy ! Component: 100 - total flux cleaned = 0.00745296 Jy ! Component: 150 - total flux cleaned = 0.0101782 Jy ! Component: 200 - total flux cleaned = 0.0123294 Jy ! Total flux subtracted in 200 components = 0.0123294 Jy ! Clean residual min=-0.004895 max=0.004264 Jy/beam ! Clean residual mean=0.000005 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 2.72495 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 130 components and 2.72495 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=7.462 mas, bmaj=10.01 mas, bpa=-12.21 degrees ! Estimated noise=1.47064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00570181 Jy ! Component: 100 - total flux cleaned = 0.00867923 Jy ! Component: 150 - total flux cleaned = 0.0109803 Jy ! Component: 200 - total flux cleaned = 0.0131332 Jy ! Total flux subtracted in 200 components = 0.0131332 Jy ! Clean residual min=-0.003660 max=0.003183 Jy/beam ! Clean residual mean=0.000008 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 2.73808 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 = 0.00168994 Jy ! Component: 100 - total flux cleaned = 0.00269914 Jy ! Component: 150 - total flux cleaned = 0.00339673 Jy ! Component: 200 - total flux cleaned = 0.00404408 Jy ! Total flux subtracted in 200 components = 0.00404408 Jy ! Clean residual min=-0.003566 max=0.003205 Jy/beam ! Clean residual mean=0.000008 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 2.74213 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 207 components and 2.74213 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.478 mas, bmaj=6.395 mas, bpa=-3.963 degrees ! Estimated noise=1.12084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00064857 Jy ! Component: 100 - total flux cleaned = -0.000805835 Jy ! Component: 150 - total flux cleaned = -0.00110738 Jy ! Component: 200 - total flux cleaned = -0.00153809 Jy ! Total flux subtracted in 200 components = -0.00153809 Jy ! Clean residual min=-0.004243 max=0.004214 Jy/beam ! Clean residual mean=0.000004 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 2.74059 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 225 components and 2.74059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065244Jy sigma=0.571957 ! Fit after self-cal, rms=0.065097Jy sigma=0.569125 wmodel J0237+2848_S_b_map.mod ! Writing 225 model components to file: J0237+2848_S_b_map.mod wobs J0237+2848_S_b_uvs.fits ! Writing UV FITS file: J0237+2848_S_b_uvs.fits wwins J0237+2848_S_b_map.win ! wwins: Wrote 10 windows to J0237+2848_S_b_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 = -0.000979683 Jy ! Component: 100 - total flux cleaned = -0.00161027 Jy ! Component: 150 - total flux cleaned = -0.00227769 Jy ! Component: 200 - total flux cleaned = -0.00272776 Jy ! Component: 250 - total flux cleaned = -0.00272645 Jy ! Component: 300 - total flux cleaned = -0.0027876 Jy ! Component: 350 - total flux cleaned = -0.00278622 Jy ! Component: 400 - total flux cleaned = -0.00266843 Jy ! Component: 450 - total flux cleaned = -0.00266834 Jy ! Component: 500 - total flux cleaned = -0.00266814 Jy ! Component: 550 - total flux cleaned = -0.0026676 Jy ! Component: 600 - total flux cleaned = -0.00255598 Jy ! Component: 650 - total flux cleaned = -0.0023371 Jy ! Component: 700 - total flux cleaned = -0.00217574 Jy ! Component: 750 - total flux cleaned = -0.00222931 Jy ! Component: 800 - total flux cleaned = -0.00222931 Jy ! Component: 850 - total flux cleaned = -0.00222899 Jy ! Component: 900 - total flux cleaned = -0.00217758 Jy ! Component: 950 - total flux cleaned = -0.00207583 Jy ! Component: 1000 - total flux cleaned = -0.00202617 Jy ! Component: 1050 - total flux cleaned = -0.00197652 Jy ! Component: 1100 - total flux cleaned = -0.00197703 Jy ! Component: 1150 - total flux cleaned = -0.00202641 Jy ! Component: 1200 - total flux cleaned = -0.00202654 Jy ! Component: 1250 - total flux cleaned = -0.00183494 Jy ! Component: 1300 - total flux cleaned = -0.0016461 Jy ! Component: 1350 - total flux cleaned = -0.00183447 Jy ! Component: 1400 - total flux cleaned = -0.00155493 Jy ! Component: 1450 - total flux cleaned = -0.00150919 Jy ! Component: 1500 - total flux cleaned = -0.00146327 Jy ! Component: 1550 - total flux cleaned = -0.00137215 Jy ! Component: 1600 - total flux cleaned = -0.0011914 Jy ! Component: 1650 - total flux cleaned = -0.00119193 Jy ! Component: 1700 - total flux cleaned = -0.00110321 Jy ! Component: 1750 - total flux cleaned = -0.00101512 Jy ! Component: 1800 - total flux cleaned = -0.000927398 Jy ! Component: 1850 - total flux cleaned = -0.000839864 Jy ! Component: 1900 - total flux cleaned = -0.000840149 Jy ! Component: 1950 - total flux cleaned = -0.000839671 Jy ! Component: 2000 - total flux cleaned = -0.000669852 Jy ! Component: 2050 - total flux cleaned = -0.000796476 Jy ! Component: 2100 - total flux cleaned = -0.000880514 Jy ! Component: 2150 - total flux cleaned = -0.00075539 Jy ! Component: 2200 - total flux cleaned = -0.00079677 Jy ! Component: 2250 - total flux cleaned = -0.000673341 Jy ! Component: 2300 - total flux cleaned = -0.00087845 Jy ! Component: 2350 - total flux cleaned = -0.000878188 Jy ! Component: 2400 - total flux cleaned = -0.000797419 Jy ! Component: 2450 - total flux cleaned = -0.000797716 Jy ! Component: 2500 - total flux cleaned = -0.000757352 Jy ! Component: 2550 - total flux cleaned = -0.000638431 Jy ! Component: 2600 - total flux cleaned = -0.000638323 Jy ! Component: 2650 - total flux cleaned = -0.000795401 Jy ! Component: 2700 - total flux cleaned = -0.000717294 Jy ! Component: 2750 - total flux cleaned = -0.000561132 Jy ! Component: 2800 - total flux cleaned = -0.000522213 Jy ! Component: 2850 - total flux cleaned = -0.000290893 Jy ! Component: 2900 - total flux cleaned = -0.000290758 Jy ! Component: 2950 - total flux cleaned = -9.99566e-05 Jy ! Component: 3000 - total flux cleaned = 0.000165376 Jy ! Component: 3050 - total flux cleaned = 0.000240997 Jy ! Component: 3100 - total flux cleaned = 0.000165873 Jy ! Component: 3150 - total flux cleaned = 0.000352373 Jy ! Component: 3200 - total flux cleaned = 0.000426526 Jy ! Component: 3250 - total flux cleaned = 0.000610952 Jy ! Component: 3300 - total flux cleaned = 0.000647145 Jy ! Component: 3350 - total flux cleaned = 0.000830028 Jy ! Component: 3400 - total flux cleaned = 0.000903235 Jy ! Component: 3450 - total flux cleaned = 0.000939276 Jy ! Component: 3500 - total flux cleaned = 0.0011196 Jy ! Component: 3550 - total flux cleaned = 0.00122705 Jy ! Component: 3600 - total flux cleaned = 0.00122703 Jy ! Component: 3650 - total flux cleaned = 0.00136929 Jy ! Component: 3700 - total flux cleaned = 0.00136939 Jy ! Component: 3750 - total flux cleaned = 0.00129878 Jy ! Component: 3800 - total flux cleaned = 0.00136908 Jy ! Component: 3850 - total flux cleaned = 0.00129906 Jy ! Component: 3900 - total flux cleaned = 0.00129951 Jy ! Component: 3950 - total flux cleaned = 0.00136901 Jy ! Component: 4000 - total flux cleaned = 0.00157587 Jy ! Component: 4050 - total flux cleaned = 0.00150706 Jy ! Total flux subtracted in 4096 components = 0.00164392 Jy ! Clean residual min=-0.001940 max=0.001903 Jy/beam ! Clean residual mean=0.000001 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 2.74223 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 514 components and 2.74223 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J0237+2848_S_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.478 x 6.395 at -3.963 degrees (North through East) ! Clean map min=-0.0032855 max=2.0119 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J0237+2848_S_b_map.fits wmodel /vlbi/uf001/uvm//J0237+2848_S_b_map.mod ! Writing 514 model components to file: /vlbi/uf001/uvm//J0237+2848_S_b_map.mod wobs /vlbi/uf001/uvm//J0237+2848_S_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J0237+2848_S_b_uvs.fits wwins /vlbi/uf001/uvm//J0237+2848_S_b_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uvm//J0237+2848_S_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 2.01192 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000609942 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0909493 0.0909493 0.181899 0.363797 0.727594 1.45519 2.91038 5.82075 11.6415 23.283 46.566 93.132 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak= ", int(1000*peak_flux)/1000 ! peak= 2.011 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3298.54 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J0237+2848_S_b_dfm.log closed on Sun Jan 13 20:37:07 2019