! Started logfile: J0958+4725_S_2000_03_13_pus_uvs.log on Tue Apr 2 23:40:55 2013 obs J0958+4725_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0958+4725_S_2000_03_13_pus_uva.fits ! AN table 1: 217 integrations on 190 of 190 possible baselines. ! AN table 2: 80 integrations on 190 of 190 possible baselines. ! AN table 3: 114 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.231669 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0958+4725 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2251 lines of history. ! ! Reading 72364 visibilities. select I ! Polarization I is unavailable. ! 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 = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J0958+4725_S_2000_03_13_pus] 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 mapsize field_size, field_cell ! Map grid = 512x512 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 2416 telescope corrections were flagged in sub-array 1. ! A total of 963 telescope corrections were flagged in sub-array 2. ! A total of 1749 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2413 telescope corrections were flagged in sub-array 1. ! A total of 962 telescope corrections were flagged in sub-array 2. ! A total of 1748 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2474 telescope corrections were flagged in sub-array 1. ! A total of 962 telescope corrections were flagged in sub-array 2. ! A total of 1759 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2414 telescope corrections were flagged in sub-array 1. ! A total of 962 telescope corrections were flagged in sub-array 2. ! A total of 1751 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.793534Jy sigma=0.006317 ! Fit after self-cal, rms=0.333928Jy sigma=0.002470 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.932 mas, bmaj=2.74 mas, bpa=4.875 degrees ! Estimated noise=759.987 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 = 0.578195 Jy ! Component: 100 - total flux cleaned = 0.704354 Jy ! Total flux subtracted in 100 components = 0.704354 Jy ! Clean residual min=-0.011965 max=0.036815 Jy/beam ! Clean residual mean=-0.000001 rms=0.003141 Jy/beam ! Combined flux in latest and established models = 0.704354 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.704354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246674Jy sigma=0.001487 ! Fit after self-cal, rms=0.246671Jy sigma=0.001487 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0387424 Jy ! Component: 100 - total flux cleaned = 0.0576955 Jy ! Total flux subtracted in 100 components = 0.0576955 Jy ! Clean residual min=-0.010853 max=0.015108 Jy/beam ! Clean residual mean=-0.000015 rms=0.002701 Jy/beam ! Combined flux in latest and established models = 0.762049 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.762049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238532Jy sigma=0.001408 ! Fit after self-cal, rms=0.238500Jy sigma=0.001407 ! 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=2.271 mas, bmaj=3.435 mas, bpa=-0.7863 degrees ! Estimated noise=362.218 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 (1, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0182022 Jy ! Component: 100 - total flux cleaned = 0.0283296 Jy ! Component: 150 - total flux cleaned = 0.0326816 Jy ! Component: 200 - total flux cleaned = 0.0344334 Jy ! Total flux subtracted in 200 components = 0.0344334 Jy ! Clean residual min=-0.007531 max=0.010468 Jy/beam ! Clean residual mean=-0.000189 rms=0.002000 Jy/beam ! Combined flux in latest and established models = 0.796483 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.796482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236408Jy sigma=0.001394 ! Fit after self-cal, rms=0.236298Jy sigma=0.001393 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 GC 1.05 KP 0.99 ! LA 1.01 NL 1.01 OV 1.02 PT 1.01 ! SC 1.04 WF 1.05 HH 1.00* KK 1.00* ! MA 1.00* MC 1.03 MK 1.05 NY 0.88 ! ON 0.87 TS 1.38 WZ 0.87 HN 1.03 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.98 GC 0.84 KP 1.10 ! LA 0.98 NL 0.97 OV 0.95 PT 0.98 ! SC 1.11 WF 1.10 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.96 NY 1.03 ! ON 0.91 TS 1.07 WZ 0.85 HN 1.05 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.07 GC 1.04 KP 1.17 ! LA 1.05 NL 0.78 OV 1.07 PT 1.13 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 1.10 MK 0.96 NY 1.04 ! ON 0.87 TS 1.06 WZ 1.03 HN 1.00* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.06 KP 0.96 ! LA 1.01 NL 1.02 OV 0.99 PT 1.01 ! SC 1.07 WF 1.03 HH 1.00* KK 1.00* ! MA 1.00* MC 1.17 MK 1.07 NY 0.98 ! ON 0.87 TS 1.10 WZ 0.89 HN 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 GC 0.86 KP 0.99 ! LA 0.99 NL 1.00 OV 0.93 PT 0.99 ! SC 1.13 WF 1.01 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.97 NY 0.98 ! ON 0.91 TS 1.08 WZ 0.84 HN 1.08 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 1.04 GC 1.03 KP 1.06 ! LA 1.07 NL 0.79 OV 1.06 PT 1.11 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 0.96 MK 0.95 NY 1.04 ! ON 0.87 TS 1.07 WZ 1.05 HN 1.00* ! ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 GC 1.06 KP 1.03 ! LA 1.00 NL 0.98 OV 1.02 PT 0.98 ! SC 1.05 WF 0.84 HH 1.00* KK 1.00* ! MA 1.00* MC 0.82 MK 1.08 NY 1.01 ! ON 0.88 TS 1.10 WZ 0.88 HN 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.95 GC 0.86 KP 1.01 ! LA 0.97 NL 0.96 OV 0.97 PT 0.94 ! SC 1.13 WF 0.74 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.98 NY 1.04 ! ON 0.90 TS 1.08 WZ 0.83 HN 1.08 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.05 GC 1.04 KP 1.06 ! LA 1.05 NL 0.75 OV 1.06 PT 1.10 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 0.74 MK 1.00 NY 1.07 ! ON 0.87 TS 1.05 WZ 1.02 HN 1.00* ! ! ! Correcting IF 4. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.07 KP 1.01 ! LA 1.01 NL 0.98 OV 0.99 PT 1.00 ! SC 1.07 WF 1.03 HH 1.00* KK 1.00* ! MA 1.00* MC 1.10 MK 1.08 NY 0.98 ! ON 0.87 TS 1.10 WZ 0.88 HN 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 0.89 KP 0.98 ! LA 0.99 NL 0.96 OV 0.95 PT 1.12 ! SC 1.13 WF 1.02 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.98 NY 1.03 ! ON 0.92 TS 1.08 WZ 0.84 HN 1.05 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 1.07 GC 1.07 KP 1.12 ! LA 1.06 NL 0.75 OV 1.06 PT 1.07 ! SC 1.00* WF 1.00* HH 1.00* KK 1.00* ! MA 1.00* MC 0.72 MK 0.98 NY 1.01 ! ON 0.85 TS 1.08 WZ 1.06 HN 1.00* ! ! ! Fit before self-cal, rms=0.236298Jy sigma=0.001393 ! Fit after self-cal, rms=0.205138Jy sigma=0.001267 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.27 mas, bmaj=3.41 mas, bpa=-0.1231 degrees ! Estimated noise=360.966 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 = 0.00410071 Jy ! Component: 100 - total flux cleaned = 0.00455675 Jy ! Component: 150 - total flux cleaned = 0.00480545 Jy ! Component: 200 - total flux cleaned = 0.00491116 Jy ! Total flux subtracted in 200 components = 0.00491116 Jy ! Clean residual min=-0.003673 max=0.003797 Jy/beam ! Clean residual mean=0.000024 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.801394 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 36 components and 0.801394 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204832Jy sigma=0.001265 ! Fit after self-cal, rms=0.204768Jy sigma=0.001265 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204768Jy sigma=0.001265 ! Fit after self-cal, rms=0.203417Jy sigma=0.001253 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.263 mas, bmaj=3.414 mas, bpa=-0.5355 degrees ! Estimated noise=361.667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231074 Jy ! Component: 100 - total flux cleaned = 0.00270592 Jy ! Component: 150 - total flux cleaned = 0.00294848 Jy ! Component: 200 - total flux cleaned = 0.00301206 Jy ! Total flux subtracted in 200 components = 0.00301206 Jy ! Clean residual min=-0.002299 max=0.003061 Jy/beam ! Clean residual mean=-0.000010 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.804406 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 44 components and 0.804406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203295Jy sigma=0.001253 ! Fit after self-cal, rms=0.203279Jy sigma=0.001252 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 (5.5, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00285674 Jy ! Component: 100 - total flux cleaned = 0.00301622 Jy ! Component: 150 - total flux cleaned = 0.00314561 Jy ! Component: 200 - total flux cleaned = 0.00320273 Jy ! Total flux subtracted in 200 components = 0.00320273 Jy ! Clean residual min=-0.002185 max=0.001860 Jy/beam ! Clean residual mean=-0.000014 rms=0.000528 Jy/beam ! Combined flux in latest and established models = 0.807608 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 55 components and 0.807608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203204Jy sigma=0.001252 ! Fit after self-cal, rms=0.203196Jy sigma=0.001252 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203196Jy sigma=0.001252 ! Fit after self-cal, rms=0.202918Jy sigma=0.001252 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.26 mas, bmaj=3.413 mas, bpa=-0.5861 degrees ! Estimated noise=361.835 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00200565 Jy ! Component: 100 - total flux cleaned = 0.00234609 Jy ! Component: 150 - total flux cleaned = 0.00257561 Jy ! Component: 200 - total flux cleaned = 0.00272818 Jy ! Total flux subtracted in 200 components = 0.00272818 Jy ! Clean residual min=-0.002056 max=0.001788 Jy/beam ! Clean residual mean=-0.000013 rms=0.000508 Jy/beam ! Combined flux in latest and established models = 0.810337 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 58 components and 0.810336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202862Jy sigma=0.001251 ! Fit after self-cal, rms=0.202852Jy sigma=0.001251 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 = 0.000124081 Jy ! Component: 100 - total flux cleaned = 0.000170628 Jy ! Component: 150 - total flux cleaned = 0.000212965 Jy ! Component: 200 - total flux cleaned = 0.000287064 Jy ! Total flux subtracted in 200 components = 0.000287064 Jy ! Clean residual min=-0.002027 max=0.001794 Jy/beam ! Clean residual mean=-0.000013 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.810623 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.810623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202830Jy sigma=0.001251 ! Fit after self-cal, rms=0.202828Jy sigma=0.001251 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202828Jy sigma=0.001251 ! Fit after self-cal, rms=0.202812Jy sigma=0.001251 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.212 mas, bmaj=9.26 mas, bpa=56.37 degrees ! Estimated noise=498.128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134458 Jy ! Component: 100 - total flux cleaned = 0.00176376 Jy ! Component: 150 - total flux cleaned = 0.00184576 Jy ! Component: 200 - total flux cleaned = 0.00185856 Jy ! Total flux subtracted in 200 components = 0.00185856 Jy ! Clean residual min=-0.002569 max=0.002069 Jy/beam ! Clean residual mean=-0.000029 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 0.812482 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 71 components and 0.812482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202805Jy sigma=0.001251 ! Fit after self-cal, rms=0.202803Jy sigma=0.001251 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 = 0.000138252 Jy ! Component: 100 - total flux cleaned = 0.000126458 Jy ! Component: 150 - total flux cleaned = 0.000115315 Jy ! Component: 200 - total flux cleaned = 9.44146e-05 Jy ! Total flux subtracted in 200 components = 9.44146e-05 Jy ! Clean residual min=-0.002598 max=0.002049 Jy/beam ! Clean residual mean=-0.000029 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.812576 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 77 components and 0.812576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202801Jy sigma=0.001251 ! Fit after self-cal, rms=0.202802Jy sigma=0.001251 ! 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=2.257 mas, bmaj=3.412 mas, bpa=-0.6291 degrees ! Estimated noise=362.129 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.257 x 3.412 at -0.6291 degrees (North through East) ! Clean map min=-0.0017511 max=0.74972 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=0.202802Jy sigma=0.001251 ! Fit after self-cal, rms=0.192462Jy sigma=0.001158 ! Inverting map and beam ! Estimated beam: bmin=2.259 mas, bmaj=3.414 mas, bpa=-0.5822 degrees ! Estimated noise=362.519 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000344543 Jy ! Component: 100 - total flux cleaned = 0.000381001 Jy ! Component: 150 - total flux cleaned = 0.000445971 Jy ! Component: 200 - total flux cleaned = 0.000476177 Jy ! Total flux subtracted in 200 components = 0.000476177 Jy ! Clean residual min=-0.001886 max=0.001778 Jy/beam ! Clean residual mean=-0.000014 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.813052 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 0.813053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192444Jy sigma=0.001158 ! Fit after self-cal, rms=0.192441Jy sigma=0.001158 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.41209e-06 Jy ! Component: 100 - total flux cleaned = -2.10781e-05 Jy ! Component: 150 - total flux cleaned = -4.61798e-05 Jy ! Component: 200 - total flux cleaned = -9.35074e-05 Jy ! Total flux subtracted in 200 components = -9.35074e-05 Jy ! Clean residual min=-0.001859 max=0.001776 Jy/beam ! Clean residual mean=-0.000014 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.812959 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 88 components and 0.812959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192435Jy sigma=0.001157 ! Fit after self-cal, rms=0.192434Jy sigma=0.001157 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192434Jy sigma=0.001157 ! Fit after self-cal, rms=0.192394Jy sigma=0.001157 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.932 mas, bmaj=2.722 mas, bpa=5.236 degrees ! Estimated noise=771.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.578968 Jy ! Component: 100 - total flux cleaned = 0.705824 Jy ! Component: 150 - total flux cleaned = 0.747198 Jy ! Component: 200 - total flux cleaned = 0.768076 Jy ! Total flux subtracted in 200 components = 0.768076 Jy ! Clean residual min=-0.003968 max=0.009735 Jy/beam ! Clean residual mean=0.000010 rms=0.001025 Jy/beam ! Combined flux in latest and established models = 0.768076 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.768076 Jy ! Inverting map and beam ! Estimated beam: bmin=2.258 mas, bmaj=3.412 mas, bpa=-0.5936 degrees ! Estimated noise=362.586 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 = 0.0153775 Jy ! Component: 100 - total flux cleaned = 0.024204 Jy ! Component: 150 - total flux cleaned = 0.0300023 Jy ! Component: 200 - total flux cleaned = 0.0340489 Jy ! Total flux subtracted in 200 components = 0.0340489 Jy ! Clean residual min=-0.001867 max=0.002328 Jy/beam ! Clean residual mean=0.000005 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.802125 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 47 components and 0.802125 Jy ! Inverting map ! Added new window around map position (0.5, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296353 Jy ! Component: 100 - total flux cleaned = 0.00518166 Jy ! Component: 150 - total flux cleaned = 0.00685776 Jy ! Component: 200 - total flux cleaned = 0.00813863 Jy ! Total flux subtracted in 200 components = 0.00813863 Jy ! Clean residual min=-0.001840 max=0.001707 Jy/beam ! Clean residual mean=-0.000007 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.810263 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 57 components and 0.810263 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=8.213 mas, bmaj=9.265 mas, bpa=56.3 degrees ! Estimated noise=498.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149726 Jy ! Component: 100 - total flux cleaned = 0.0021194 Jy ! Component: 150 - total flux cleaned = 0.00224402 Jy ! Component: 200 - total flux cleaned = 0.00233845 Jy ! Total flux subtracted in 200 components = 0.00233845 Jy ! Clean residual min=-0.002224 max=0.001986 Jy/beam ! Clean residual mean=-0.000032 rms=0.000596 Jy/beam ! Combined flux in latest and established models = 0.812602 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 = 5.61183e-05 Jy ! Component: 100 - total flux cleaned = 7.18051e-05 Jy ! Component: 150 - total flux cleaned = 7.90983e-05 Jy ! Component: 200 - total flux cleaned = 8.61665e-05 Jy ! Total flux subtracted in 200 components = 8.61665e-05 Jy ! Clean residual min=-0.002232 max=0.001983 Jy/beam ! Clean residual mean=-0.000032 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.812688 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 90 components and 0.812688 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.258 mas, bmaj=3.412 mas, bpa=-0.5936 degrees ! Estimated noise=362.586 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000499348 Jy ! Component: 100 - total flux cleaned = -0.000560783 Jy ! Component: 150 - total flux cleaned = -0.000560371 Jy ! Component: 200 - total flux cleaned = -0.000534025 Jy ! Total flux subtracted in 200 components = -0.000534025 Jy ! Clean residual min=-0.001856 max=0.001705 Jy/beam ! Clean residual mean=-0.000010 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.812154 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 102 components and 0.812154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192366Jy sigma=0.001157 ! Fit after self-cal, rms=0.192359Jy sigma=0.001157 wmodel J0958+4725_S_2000_03_13_pus_map.mod ! Writing 102 model components to file: J0958+4725_S_2000_03_13_pus_map.mod wobs J0958+4725_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0958+4725_S_2000_03_13_pus_uvs.fits wwins J0958+4725_S_2000_03_13_pus_map.win ! wwins: Wrote 4 windows to J0958+4725_S_2000_03_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000217488 Jy ! Component: 100 - total flux cleaned = -0.000154543 Jy ! Component: 150 - total flux cleaned = -9.45216e-05 Jy ! Component: 200 - total flux cleaned = -7.82891e-06 Jy ! Component: 250 - total flux cleaned = 2.05929e-05 Jy ! Component: 300 - total flux cleaned = 0.000130929 Jy ! Component: 350 - total flux cleaned = 0.000212012 Jy ! Component: 400 - total flux cleaned = 0.000265676 Jy ! Component: 450 - total flux cleaned = 0.000344342 Jy ! Component: 500 - total flux cleaned = 0.00034431 Jy ! Component: 550 - total flux cleaned = 0.000369746 Jy ! Component: 600 - total flux cleaned = 0.000344042 Jy ! Component: 650 - total flux cleaned = 0.000319078 Jy ! Component: 700 - total flux cleaned = 0.000294476 Jy ! Component: 750 - total flux cleaned = 0.000245627 Jy ! Component: 800 - total flux cleaned = 0.000293912 Jy ! Component: 850 - total flux cleaned = 0.000365537 Jy ! Component: 900 - total flux cleaned = 0.000317437 Jy ! Component: 950 - total flux cleaned = 0.000293921 Jy ! Component: 1000 - total flux cleaned = 0.0003172 Jy ! Component: 1050 - total flux cleaned = 0.000294061 Jy ! Component: 1100 - total flux cleaned = 0.00031727 Jy ! Component: 1150 - total flux cleaned = 0.000294697 Jy ! Component: 1200 - total flux cleaned = 0.000317577 Jy ! Component: 1250 - total flux cleaned = 0.00040719 Jy ! Component: 1300 - total flux cleaned = 0.000318443 Jy ! Component: 1350 - total flux cleaned = 0.000384573 Jy ! Component: 1400 - total flux cleaned = 0.000384739 Jy ! Component: 1450 - total flux cleaned = 0.000428248 Jy ! Component: 1500 - total flux cleaned = 0.000428237 Jy ! Component: 1550 - total flux cleaned = 0.000449777 Jy ! Component: 1600 - total flux cleaned = 0.000471074 Jy ! Component: 1650 - total flux cleaned = 0.000492052 Jy ! Component: 1700 - total flux cleaned = 0.000471074 Jy ! Component: 1750 - total flux cleaned = 0.000450292 Jy ! Component: 1800 - total flux cleaned = 0.000553847 Jy ! Component: 1850 - total flux cleaned = 0.000533133 Jy ! Component: 1900 - total flux cleaned = 0.000574024 Jy ! Component: 1950 - total flux cleaned = 0.000573841 Jy ! Component: 2000 - total flux cleaned = 0.000614186 Jy ! Total flux subtracted in 2048 components = 0.000594055 Jy ! Clean residual min=-0.001022 max=0.001116 Jy/beam ! Clean residual mean=-0.000004 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.812748 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 258 components and 0.812748 Jy ![Exited script file: muppet] wmap "J0958+4725_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.258 x 3.412 at -0.5936 degrees (North through East) ! Clean map min=-0.0015036 max=0.75139 Jy/beam ! Writing clean map to FITS file: J0958+4725_S_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.751386 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000365388 device "J0958+4725_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0958+4725_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.145885 0.145885 0.291771 0.583542 1.16708 2.33417 4.66833 9.33667 18.6733 37.3467 74.6934 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.751 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.258 x 3.412 at -0.5936 degrees (North through East) ! Clean map min=-0.0015036 max=0.75139 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0958+4725_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 23:41:11 2013