! Started logfile: J0518+2054_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:36:40 2010 obs J0518+2054_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0518+2054_S_2008_04_02_pus_uva.fits ! AN table 1: 242 integrations on 120 of 120 possible baselines. ! AN table 2: 164 integrations on 120 of 120 possible baselines. ! AN table 3: 116 integrations on 120 of 120 possible baselines. ! AN table 4: 141 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.215774 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0518+2054 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 68668 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 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 2689 telescope corrections were flagged in sub-array 1. ! A total of 784 telescope corrections were flagged in sub-array 2. ! A total of 1182 telescope corrections were flagged in sub-array 3. ! A total of 1296 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 2777 telescope corrections were flagged in sub-array 1. ! A total of 784 telescope corrections were flagged in sub-array 2. ! A total of 1182 telescope corrections were flagged in sub-array 3. ! A total of 1296 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 3119 telescope corrections were flagged in sub-array 1. ! A total of 784 telescope corrections were flagged in sub-array 2. ! A total of 1182 telescope corrections were flagged in sub-array 3. ! A total of 1296 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 3119 telescope corrections were flagged in sub-array 1. ! A total of 784 telescope corrections were flagged in sub-array 2. ! A total of 1182 telescope corrections were flagged in sub-array 3. ! A total of 1296 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.819263Jy sigma=0.004782 ! Fit after self-cal, rms=0.753133Jy sigma=0.004427 ! 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=1.534 mas, bmaj=2.36 mas, bpa=17.94 degrees ! Estimated noise=1135.23 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 = 0.235957 Jy ! Component: 100 - total flux cleaned = 0.297065 Jy ! Total flux subtracted in 100 components = 0.297065 Jy ! Clean residual min=-0.013452 max=0.025603 Jy/beam ! Clean residual mean=0.000008 rms=0.003307 Jy/beam ! Combined flux in latest and established models = 0.297065 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.297065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.344473Jy sigma=0.001348 ! Fit after self-cal, rms=0.344591Jy sigma=0.001348 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0272677 Jy ! Component: 100 - total flux cleaned = 0.0408742 Jy ! Total flux subtracted in 100 components = 0.0408742 Jy ! Clean residual min=-0.015041 max=0.013202 Jy/beam ! Clean residual mean=0.000006 rms=0.003108 Jy/beam ! Combined flux in latest and established models = 0.337939 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.337939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340892Jy sigma=0.001332 ! Fit after self-cal, rms=0.340917Jy sigma=0.001331 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.936 mas, bmaj=2.935 mas, bpa=14.35 degrees ! Estimated noise=492.543 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 = 0.00971504 Jy ! Component: 100 - total flux cleaned = 0.0136769 Jy ! Component: 150 - total flux cleaned = 0.0147806 Jy ! Component: 200 - total flux cleaned = 0.0147811 Jy ! Total flux subtracted in 200 components = 0.0147811 Jy ! Clean residual min=-0.011271 max=0.010767 Jy/beam ! Clean residual mean=0.000109 rms=0.002757 Jy/beam ! Combined flux in latest and established models = 0.35272 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 17 components and 0.35272 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340258Jy sigma=0.001332 ! Fit after self-cal, rms=0.340221Jy sigma=0.001332 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.81 ON 0.83 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.89 ZC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.07 HH 1.02 HN 1.10 ! KK 1.00* KP 0.99 LA 1.20 MK 1.00* ! NL 0.93 NY 0.84 ON 0.94 OV 1.00* ! PT 1.02 SC 1.07 WZ 0.89 ZC 1.16 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.07 HN 1.26 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.78 ON 0.82 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.93 ZC 1.15 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.05 HN 1.08 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.95 NY 0.83 ON 0.91 OV 1.00* ! PT 1.00* SC 1.10 WZ 0.88 ZC 1.19 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.98 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.95 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.82 ZC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.14 HH 1.03 HN 1.16 ! KK 1.00* KP 1.02 LA 1.13 MK 1.00* ! NL 0.96 NY 0.92 ON 0.92 OV 1.00* ! PT 1.00 SC 1.12 WZ 0.83 ZC 1.14 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.11 HN 1.44 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 0.80 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.11 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.05 HN 1.14 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.99 NY 0.94 ON 0.87 OV 1.00* ! PT 1.00* SC 1.12 WZ 0.81 ZC 1.17 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.82 ON 0.87 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.73 ZC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.15 HH 0.89 HN 1.18 ! KK 1.00* KP 1.02 LA 0.89 MK 1.00* ! NL 0.99 NY 0.88 ON 0.94 OV 1.00* ! PT 1.06 SC 1.03 WZ 0.75 ZC 1.13 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.95 HN 1.44 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.85 ON 0.83 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.84 ZC 1.57 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.04 HN 1.14 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.03 NY 0.91 ON 0.84 OV 1.00* ! PT 1.00* SC 1.08 WZ 0.79 ZC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.93 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 0.84 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.77 ZC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.11 HH 0.92 HN 1.09 ! KK 1.00* KP 0.92 LA 0.73 MK 1.00* ! NL 0.90 NY 0.99 ON 0.96 OV 1.00* ! PT 0.94 SC 1.03 WZ 0.71 ZC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.23 HN 1.59 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 0.84 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.77 ZC 0.99 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.96 HN 1.01 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.98 NY 1.05 ON 0.87 OV 1.00* ! PT 1.00* SC 1.04 WZ 0.76 ZC 1.06 ! ! ! Fit before self-cal, rms=0.340221Jy sigma=0.001332 ! Fit after self-cal, rms=0.297883Jy sigma=0.001284 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.937 mas, bmaj=2.902 mas, bpa=14.43 degrees ! Estimated noise=492.948 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 = 0.000418714 Jy ! Component: 100 - total flux cleaned = 0.00042032 Jy ! Component: 150 - total flux cleaned = 0.000368155 Jy ! Component: 200 - total flux cleaned = 0.000321288 Jy ! Total flux subtracted in 200 components = 0.000321288 Jy ! Clean residual min=-0.003140 max=0.005146 Jy/beam ! Clean residual mean=-0.000004 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 0.353041 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 24 components and 0.353041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297857Jy sigma=0.001284 ! Fit after self-cal, rms=0.296937Jy sigma=0.001282 ! Inverting map ! Added new window around map position (6, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00498609 Jy ! Component: 100 - total flux cleaned = 0.007623 Jy ! Component: 150 - total flux cleaned = 0.00914488 Jy ! Component: 200 - total flux cleaned = 0.00984402 Jy ! Total flux subtracted in 200 components = 0.00984402 Jy ! Clean residual min=-0.003148 max=0.003305 Jy/beam ! Clean residual mean=-0.000064 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 0.362885 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 53 components and 0.362885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296874Jy sigma=0.001282 ! Fit after self-cal, rms=0.296872Jy sigma=0.001282 ! 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=0.296872Jy sigma=0.001282 ! Fit after self-cal, rms=0.294937Jy sigma=0.001281 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.938 mas, bmaj=2.892 mas, bpa=14.51 degrees ! Estimated noise=492.589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202591 Jy ! Component: 100 - total flux cleaned = 0.00270023 Jy ! Component: 150 - total flux cleaned = 0.0032243 Jy ! Component: 200 - total flux cleaned = 0.00354484 Jy ! Total flux subtracted in 200 components = 0.00354484 Jy ! Clean residual min=-0.002773 max=0.003008 Jy/beam ! Clean residual mean=-0.000056 rms=0.000802 Jy/beam ! Combined flux in latest and established models = 0.36643 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 0.36643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294917Jy sigma=0.001281 ! Fit after self-cal, rms=0.294836Jy sigma=0.001281 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 = 0.000451459 Jy ! Component: 100 - total flux cleaned = 0.000648524 Jy ! Component: 150 - total flux cleaned = 0.000861503 Jy ! Component: 200 - total flux cleaned = 0.0010855 Jy ! Total flux subtracted in 200 components = 0.0010855 Jy ! Clean residual min=-0.002709 max=0.003040 Jy/beam ! Clean residual mean=-0.000063 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.367516 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 0.367516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294828Jy sigma=0.001281 ! Fit after self-cal, rms=0.294837Jy sigma=0.001281 ! 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=0.294837Jy sigma=0.001281 ! Fit after self-cal, rms=0.294861Jy sigma=0.001281 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=2.888 mas, bpa=14.49 degrees ! Estimated noise=492.839 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000677756 Jy ! Component: 100 - total flux cleaned = 0.000864625 Jy ! Component: 150 - total flux cleaned = 0.00109809 Jy ! Component: 200 - total flux cleaned = 0.00127869 Jy ! Total flux subtracted in 200 components = 0.00127869 Jy ! Clean residual min=-0.002725 max=0.002914 Jy/beam ! Clean residual mean=-0.000053 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.368794 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 0.368794 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294851Jy sigma=0.001281 ! Fit after self-cal, rms=0.294856Jy sigma=0.001281 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 = 6.23745e-05 Jy ! Component: 100 - total flux cleaned = 0.000229642 Jy ! Component: 150 - total flux cleaned = 0.000353652 Jy ! Component: 200 - total flux cleaned = 0.000444616 Jy ! Total flux subtracted in 200 components = 0.000444616 Jy ! Clean residual min=-0.002742 max=0.002939 Jy/beam ! Clean residual mean=-0.000056 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.369239 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.369239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294852Jy sigma=0.001281 ! Fit after self-cal, rms=0.294859Jy sigma=0.001281 ! 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=0.294859Jy sigma=0.001281 ! Fit after self-cal, rms=0.294724Jy sigma=0.001280 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.582 mas, bmaj=8.651 mas, bpa=63.08 degrees ! Estimated noise=673.147 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146221 Jy ! Component: 100 - total flux cleaned = 0.00199733 Jy ! Component: 150 - total flux cleaned = 0.00213577 Jy ! Component: 200 - total flux cleaned = 0.0022527 Jy ! Total flux subtracted in 200 components = 0.0022527 Jy ! Clean residual min=-0.003891 max=0.005048 Jy/beam ! Clean residual mean=-0.000195 rms=0.001703 Jy/beam ! Combined flux in latest and established models = 0.371492 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 73 components and 0.371492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294722Jy sigma=0.001281 ! Fit after self-cal, rms=0.294711Jy sigma=0.001281 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 = 0.000262339 Jy ! Component: 100 - total flux cleaned = 0.000310102 Jy ! Component: 150 - total flux cleaned = 0.000339704 Jy ! Component: 200 - total flux cleaned = 0.000353979 Jy ! Total flux subtracted in 200 components = 0.000353979 Jy ! Clean residual min=-0.003823 max=0.005060 Jy/beam ! Clean residual mean=-0.000202 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 0.371846 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 75 components and 0.371846 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294712Jy sigma=0.001281 ! Fit after self-cal, rms=0.294715Jy sigma=0.001281 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=1.941 mas, bmaj=2.885 mas, bpa=14.45 degrees ! Estimated noise=493.202 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.941 x 2.885 at 14.45 degrees (North through East) ! Clean map min=-0.0024703 max=0.30929 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 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=1.555 mas, bmaj=2.311 mas, bpa=18.94 degrees ! Estimated noise=1133.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.234836 Jy ! Component: 100 - total flux cleaned = 0.29781 Jy ! Component: 150 - total flux cleaned = 0.324102 Jy ! Component: 200 - total flux cleaned = 0.33619 Jy ! Total flux subtracted in 200 components = 0.33619 Jy ! Clean residual min=-0.004683 max=0.005392 Jy/beam ! Clean residual mean=-0.000002 rms=0.001301 Jy/beam ! Combined flux in latest and established models = 0.33619 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.33619 Jy ! Inverting map and beam ! Estimated beam: bmin=1.941 mas, bmaj=2.885 mas, bpa=14.45 degrees ! Estimated noise=493.202 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 = 0.00992151 Jy ! Component: 100 - total flux cleaned = 0.0159221 Jy ! Component: 150 - total flux cleaned = 0.0202201 Jy ! Component: 200 - total flux cleaned = 0.0234658 Jy ! Total flux subtracted in 200 components = 0.0234658 Jy ! Clean residual min=-0.002905 max=0.002732 Jy/beam ! Clean residual mean=0.000009 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.359656 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 37 components and 0.359656 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=8.582 mas, bmaj=8.651 mas, bpa=63.08 degrees ! Estimated noise=673.147 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0055101 Jy ! Component: 100 - total flux cleaned = 0.0084846 Jy ! Component: 150 - total flux cleaned = 0.0101536 Jy ! Component: 200 - total flux cleaned = 0.0110971 Jy ! Total flux subtracted in 200 components = 0.0110971 Jy ! Clean residual min=-0.003782 max=0.004936 Jy/beam ! Clean residual mean=-0.000180 rms=0.001685 Jy/beam ! Combined flux in latest and established models = 0.370753 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 = 0.000355528 Jy ! Component: 100 - total flux cleaned = 0.000464525 Jy ! Component: 150 - total flux cleaned = 0.000573094 Jy ! Component: 200 - total flux cleaned = 0.000625403 Jy ! Total flux subtracted in 200 components = 0.000625403 Jy ! Clean residual min=-0.003754 max=0.004971 Jy/beam ! Clean residual mean=-0.000192 rms=0.001686 Jy/beam ! Combined flux in latest and established models = 0.371378 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 65 components and 0.371378 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.941 mas, bmaj=2.885 mas, bpa=14.45 degrees ! Estimated noise=493.202 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00179373 Jy ! Component: 100 - total flux cleaned = -0.00191021 Jy ! Component: 150 - total flux cleaned = -0.00187074 Jy ! Component: 200 - total flux cleaned = -0.00187042 Jy ! Total flux subtracted in 200 components = -0.00187042 Jy ! Clean residual min=-0.002752 max=0.002797 Jy/beam ! Clean residual mean=-0.000049 rms=0.000764 Jy/beam ! Combined flux in latest and established models = 0.369508 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 68 components and 0.369508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294718Jy sigma=0.001280 ! Fit after self-cal, rms=0.294801Jy sigma=0.001280 wmodel J0518+2054_S_2008_04_02_pus_map.mod ! Writing 68 model components to file: J0518+2054_S_2008_04_02_pus_map.mod wobs J0518+2054_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0518+2054_S_2008_04_02_pus_uvs.fits wwins J0518+2054_S_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0518+2054_S_2008_04_02_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 = 0.000786209 Jy ! Component: 100 - total flux cleaned = 0.00116964 Jy ! Component: 150 - total flux cleaned = 0.00126119 Jy ! Component: 200 - total flux cleaned = 0.00126177 Jy ! Component: 250 - total flux cleaned = 0.00130325 Jy ! Component: 300 - total flux cleaned = 0.00126271 Jy ! Component: 350 - total flux cleaned = 0.00130225 Jy ! Component: 400 - total flux cleaned = 0.00134063 Jy ! Component: 450 - total flux cleaned = 0.00137811 Jy ! Component: 500 - total flux cleaned = 0.0013777 Jy ! Component: 550 - total flux cleaned = 0.00137764 Jy ! Component: 600 - total flux cleaned = 0.00137791 Jy ! Component: 650 - total flux cleaned = 0.00141312 Jy ! Component: 700 - total flux cleaned = 0.00144759 Jy ! Component: 750 - total flux cleaned = 0.00151541 Jy ! Component: 800 - total flux cleaned = 0.0014149 Jy ! Component: 850 - total flux cleaned = 0.00141524 Jy ! Component: 900 - total flux cleaned = 0.00144745 Jy ! Component: 950 - total flux cleaned = 0.00138315 Jy ! Component: 1000 - total flux cleaned = 0.00144696 Jy ! Component: 1050 - total flux cleaned = 0.00141532 Jy ! Component: 1100 - total flux cleaned = 0.00138498 Jy ! Component: 1150 - total flux cleaned = 0.0014768 Jy ! Component: 1200 - total flux cleaned = 0.00147694 Jy ! Component: 1250 - total flux cleaned = 0.00153675 Jy ! Component: 1300 - total flux cleaned = 0.00156652 Jy ! Component: 1350 - total flux cleaned = 0.00162499 Jy ! Component: 1400 - total flux cleaned = 0.00156678 Jy ! Component: 1450 - total flux cleaned = 0.00156679 Jy ! Component: 1500 - total flux cleaned = 0.00153783 Jy ! Component: 1550 - total flux cleaned = 0.00150985 Jy ! Component: 1600 - total flux cleaned = 0.00153813 Jy ! Component: 1650 - total flux cleaned = 0.00156568 Jy ! Component: 1700 - total flux cleaned = 0.00151055 Jy ! Component: 1750 - total flux cleaned = 0.00145596 Jy ! Component: 1800 - total flux cleaned = 0.00145595 Jy ! Component: 1850 - total flux cleaned = 0.00137518 Jy ! Component: 1900 - total flux cleaned = 0.00134838 Jy ! Component: 1950 - total flux cleaned = 0.00132192 Jy ! Component: 2000 - total flux cleaned = 0.00129592 Jy ! Total flux subtracted in 2048 components = 0.00134763 Jy ! Clean residual min=-0.001503 max=0.001596 Jy/beam ! Clean residual mean=-0.000038 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.370856 Jy keep ! Adding 190 model components to the UV plane model. ! The established model now contains 258 components and 0.370856 Jy wmap "J0518+2054_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.941 x 2.885 at 14.45 degrees (North through East) ! Clean map min=-0.001774 max=0.31095 Jy/beam ! Writing clean map to FITS file: J0518+2054_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.31095 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000498345 device "J0518+2054_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0518+2054_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.480797 0.480797 0.961594 1.92319 3.84637 7.69275 15.3855 30.771 61.542 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.31 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.941 x 2.885 at 14.45 degrees (North through East) ! Clean map min=-0.001774 max=0.31095 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0518+2054_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0518+2054_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0518+2054_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:36:52 2010