! Started logfile: J1800+7828_X_2003_06_18_pus_uvs.log on Wed Jan 17 18:09:11 2007 obs J1800+7828_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J1800+7828_X_2003_06_18_pus_uva.fits ! AN table 1: 139 integrations on 153 of 153 possible baselines. ! AN table 2: 83 integrations on 153 of 153 possible baselines. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.67756 visibilities/baseline/integration-bin. ! Found source: J1800+7828 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2231 lines of history. ! ! Reading 92056 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float taper_size taper_size = 70. 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 = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1133 telescope corrections were flagged in sub-array 1. ! A total of 910 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1102 telescope corrections were flagged in sub-array 1. ! A total of 826 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1112 telescope corrections were flagged in sub-array 1. ! A total of 910 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1102 telescope corrections were flagged in sub-array 1. ! A total of 826 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.103318Jy sigma=0.014315 ! Fit after self-cal, rms=0.556988Jy sigma=0.007196 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.5701 mas, bmaj=0.6065 mas, bpa=27.7 degrees ! Estimated noise=615.009 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 = 0.843945 Jy ! Component: 100 - total flux cleaned = 1.08749 Jy ! Total flux subtracted in 100 components = 1.08749 Jy ! Clean residual min=-0.045624 max=0.224241 Jy/beam ! Clean residual mean=0.000829 rms=0.013021 Jy/beam ! Combined flux in latest and established models = 1.08749 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.08749 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.513342Jy sigma=0.006439 ! Fit after self-cal, rms=0.512372Jy sigma=0.006434 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Added new window around map position (-1.4, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.195318 Jy ! Component: 100 - total flux cleaned = 0.302239 Jy ! Total flux subtracted in 100 components = 0.302239 Jy ! Clean residual min=-0.032079 max=0.062379 Jy/beam ! Clean residual mean=0.000507 rms=0.007885 Jy/beam ! Combined flux in latest and established models = 1.38973 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 1.38973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.378915Jy sigma=0.004212 ! Fit after self-cal, rms=0.366828Jy sigma=0.004054 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0887975 Jy ! Component: 100 - total flux cleaned = 0.148097 Jy ! Total flux subtracted in 100 components = 0.148097 Jy ! Clean residual min=-0.017304 max=0.041406 Jy/beam ! Clean residual mean=0.000344 rms=0.004977 Jy/beam ! Combined flux in latest and established models = 1.53783 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 1.53783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321300Jy sigma=0.003132 ! Fit after self-cal, rms=0.318458Jy sigma=0.003095 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Added new window around map position (-0.8, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.051641 Jy ! Component: 100 - total flux cleaned = 0.0862827 Jy ! Total flux subtracted in 100 components = 0.0862827 Jy ! Clean residual min=-0.012611 max=0.024601 Jy/beam ! Clean residual mean=0.000249 rms=0.003691 Jy/beam ! Combined flux in latest and established models = 1.62411 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 22 components and 1.62411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300118Jy sigma=0.002663 ! Fit after self-cal, rms=0.299174Jy sigma=0.002652 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0300415 Jy ! Component: 100 - total flux cleaned = 0.0520904 Jy ! Total flux subtracted in 100 components = 0.0520904 Jy ! Clean residual min=-0.010913 max=0.016643 Jy/beam ! Clean residual mean=0.000191 rms=0.003110 Jy/beam ! Combined flux in latest and established models = 1.6762 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 1.6762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291671Jy sigma=0.002456 ! Fit after self-cal, rms=0.291300Jy sigma=0.002452 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7548 mas, bmaj=0.8862 mas, bpa=-24.15 degrees ! Estimated noise=289.914 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 = 0.0501633 Jy ! Component: 100 - total flux cleaned = 0.0782478 Jy ! Component: 150 - total flux cleaned = 0.0949813 Jy ! Component: 200 - total flux cleaned = 0.105136 Jy ! Total flux subtracted in 200 components = 0.105136 Jy ! Clean residual min=-0.010596 max=0.019989 Jy/beam ! Clean residual mean=0.000377 rms=0.004265 Jy/beam ! Combined flux in latest and established models = 1.78134 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 44 components and 1.78134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284532Jy sigma=0.002248 ! Fit after self-cal, rms=0.283852Jy sigma=0.002235 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Added new window around map position (-2.6, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0235739 Jy ! Component: 100 - total flux cleaned = 0.0359735 Jy ! Component: 150 - total flux cleaned = 0.0434521 Jy ! Component: 200 - total flux cleaned = 0.0458227 Jy ! Total flux subtracted in 200 components = 0.0458227 Jy ! Clean residual min=-0.009360 max=0.012370 Jy/beam ! Clean residual mean=-0.000190 rms=0.003313 Jy/beam ! Combined flux in latest and established models = 1.82716 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 1.82716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282080Jy sigma=0.002192 ! Fit after self-cal, rms=0.281814Jy sigma=0.002187 ! Inverting map ! Your choice of large map pixels excluded 1.23% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! 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 0.97 FD 1.01 GG 1.00* HN 0.96 ! KK 1.07 KP 1.03 LA 0.98 MA 1.00* ! MK 0.99 NL 1.04 ON 1.00 OV 0.99 ! PT 0.99 SC 1.00 TC 1.00* TS 1.00 ! WF 1.05 WZ 1.01 ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.93 GG 1.00* HN 1.06 ! KK 1.00* KP 0.99 LA 0.94 MA 1.00* ! MK 1.02 NL 1.02 ON 1.00 OV 0.99 ! PT 0.96 SC 1.05 TC 1.00* TS 0.99 ! WF 1.14 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GG 1.00* HN 0.97 ! KK 1.05 KP 0.98 LA 0.99 MA 1.19 ! MK 1.00 NL 1.00 ON 1.03 OV 0.99 ! PT 1.03 SC 0.95 TC 1.00* TS 1.00 ! WF 1.08 WZ 0.94 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.94 GG 1.00* HN 1.08 ! KK 1.00* KP 0.94 LA 0.94 MA 1.05 ! MK 1.02 NL 0.99 ON 1.01 OV 0.98 ! PT 1.00 SC 1.00 TC 1.00* TS 0.99 ! WF 1.18 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 GG 1.00* HN 0.96 ! KK 1.11 KP 1.02 LA 0.99 MA 1.16 ! MK 1.00 NL 0.99 ON 0.99 OV 1.03 ! PT 1.06 SC 0.98 TC 1.00* TS 0.98 ! WF 0.99 WZ 0.97 ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.92 GG 1.00* HN 1.07 ! KK 1.00* KP 0.98 LA 0.94 MA 1.00* ! MK 1.00 NL 0.97 ON 1.01 OV 1.02 ! PT 1.03 SC 1.04 TC 1.00* TS 0.96 ! WF 1.07 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GG 1.00* HN 0.98 ! KK 1.06 KP 0.98 LA 0.97 MA 1.20 ! MK 1.04 NL 0.99 ON 1.03 OV 1.02 ! PT 1.06 SC 1.02 TC 1.00* TS 0.98 ! WF 0.99 WZ 0.97 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.93 GG 1.00* HN 1.10 ! KK 1.00* KP 0.95 LA 0.93 MA 1.07 ! MK 1.03 NL 0.97 ON 1.03 OV 1.01 ! PT 1.03 SC 1.08 TC 1.00* TS 0.98 ! WF 1.05 WZ 1.00* ! ! ! Fit before self-cal, rms=0.281814Jy sigma=0.002187 ! Fit after self-cal, rms=0.278713Jy sigma=0.002009 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7562 mas, bmaj=0.8862 mas, bpa=-24.47 degrees ! Estimated noise=290.645 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 (-4.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116232 Jy ! Component: 100 - total flux cleaned = 0.0140734 Jy ! Component: 150 - total flux cleaned = 0.0159354 Jy ! Component: 200 - total flux cleaned = 0.0174767 Jy ! Total flux subtracted in 200 components = 0.0174767 Jy ! Clean residual min=-0.005018 max=0.011386 Jy/beam ! Clean residual mean=0.000291 rms=0.002021 Jy/beam ! Combined flux in latest and established models = 1.84464 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 1.84464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278019Jy sigma=0.001993 ! Fit after self-cal, rms=0.278075Jy sigma=0.001991 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Added new window around map position (-7, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112846 Jy ! Component: 100 - total flux cleaned = 0.0177865 Jy ! Component: 150 - total flux cleaned = 0.0200632 Jy ! Component: 200 - total flux cleaned = 0.0213455 Jy ! Total flux subtracted in 200 components = 0.0213455 Jy ! Clean residual min=-0.005783 max=0.005853 Jy/beam ! Clean residual mean=0.000043 rms=0.001636 Jy/beam ! Combined flux in latest and established models = 1.86598 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 109 components and 1.86598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277587Jy sigma=0.001979 ! Fit after self-cal, rms=0.277538Jy sigma=0.001978 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277538Jy sigma=0.001978 ! Fit after self-cal, rms=0.274638Jy sigma=0.001931 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7563 mas, bmaj=0.8859 mas, bpa=-24.12 degrees ! Estimated noise=290.606 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328286 Jy ! Component: 100 - total flux cleaned = 0.0048759 Jy ! Component: 150 - total flux cleaned = 0.00622667 Jy ! Component: 200 - total flux cleaned = 0.0071609 Jy ! Total flux subtracted in 200 components = 0.0071609 Jy ! Clean residual min=-0.003242 max=0.004590 Jy/beam ! Clean residual mean=0.000144 rms=0.000999 Jy/beam ! Combined flux in latest and established models = 1.87314 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 130 components and 1.87314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274481Jy sigma=0.001927 ! Fit after self-cal, rms=0.274478Jy sigma=0.001927 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-9.2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00421666 Jy ! Component: 100 - total flux cleaned = 0.0061899 Jy ! Component: 150 - total flux cleaned = 0.00746304 Jy ! Component: 200 - total flux cleaned = 0.0082318 Jy ! Total flux subtracted in 200 components = 0.0082318 Jy ! Clean residual min=-0.003093 max=0.002826 Jy/beam ! Clean residual mean=0.000055 rms=0.000888 Jy/beam ! Combined flux in latest and established models = 1.88138 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 143 components and 1.88138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274346Jy sigma=0.001925 ! Fit after self-cal, rms=0.274337Jy sigma=0.001925 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274337Jy sigma=0.001925 ! Fit after self-cal, rms=0.274197Jy sigma=0.001923 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7568 mas, bmaj=0.8859 mas, bpa=-24.18 degrees ! Estimated noise=290.596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000639634 Jy ! Component: 100 - total flux cleaned = 0.00176583 Jy ! Component: 150 - total flux cleaned = 0.00259075 Jy ! Component: 200 - total flux cleaned = 0.00342646 Jy ! Total flux subtracted in 200 components = 0.00342646 Jy ! Clean residual min=-0.003003 max=0.002758 Jy/beam ! Clean residual mean=0.000076 rms=0.000819 Jy/beam ! Combined flux in latest and established models = 1.8848 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 147 components and 1.8848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274123Jy sigma=0.001922 ! Fit after self-cal, rms=0.274121Jy sigma=0.001922 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000568748 Jy ! Component: 100 - total flux cleaned = 0.00135782 Jy ! Component: 150 - total flux cleaned = 0.0019402 Jy ! Component: 200 - total flux cleaned = 0.00241445 Jy ! Total flux subtracted in 200 components = 0.00241445 Jy ! Clean residual min=-0.002987 max=0.002607 Jy/beam ! Clean residual mean=0.000048 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 1.88722 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 151 components and 1.88722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274072Jy sigma=0.001921 ! Fit after self-cal, rms=0.274067Jy sigma=0.001921 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274067Jy sigma=0.001921 ! Fit after self-cal, rms=0.274235Jy sigma=0.001921 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=2.416 mas, bmaj=2.785 mas, bpa=-1.546 degrees ! Estimated noise=380.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024997 Jy ! Component: 100 - total flux cleaned = 0.00340723 Jy ! Component: 150 - total flux cleaned = 0.00409935 Jy ! Component: 200 - total flux cleaned = 0.00466913 Jy ! Total flux subtracted in 200 components = 0.00466913 Jy ! Clean residual min=-0.003339 max=0.003091 Jy/beam ! Clean residual mean=0.000063 rms=0.001075 Jy/beam ! Combined flux in latest and established models = 1.89189 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 162 components and 1.89189 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274233Jy sigma=0.001920 ! Fit after self-cal, rms=0.274225Jy sigma=0.001920 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000764424 Jy ! Component: 100 - total flux cleaned = 0.00133774 Jy ! Component: 150 - total flux cleaned = 0.0017428 Jy ! Component: 200 - total flux cleaned = 0.00197947 Jy ! Total flux subtracted in 200 components = 0.00197947 Jy ! Clean residual min=-0.003341 max=0.003223 Jy/beam ! Clean residual mean=0.000004 rms=0.001042 Jy/beam ! Combined flux in latest and established models = 1.89387 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 163 components and 1.89387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274220Jy sigma=0.001920 ! Fit after self-cal, rms=0.274215Jy sigma=0.001920 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7575 mas, bmaj=0.8858 mas, bpa=-24.19 degrees ! Estimated noise=290.656 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7575 x 0.8858 at -24.19 degrees (North through East) ! Clean map min=-0.0023659 max=1.1701 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=0.274215Jy sigma=0.001920 ! Fit after self-cal, rms=0.261474Jy sigma=0.001773 ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7573 mas, bmaj=0.8864 mas, bpa=-24.2 degrees ! Estimated noise=290.459 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123003 Jy ! Component: 100 - total flux cleaned = -0.00123747 Jy ! Component: 150 - total flux cleaned = -0.00111529 Jy ! Component: 200 - total flux cleaned = -0.00105689 Jy ! Total flux subtracted in 200 components = -0.00105689 Jy ! Clean residual min=-0.002446 max=0.002445 Jy/beam ! Clean residual mean=0.000035 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 1.89281 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 168 components and 1.89281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261433Jy sigma=0.001772 ! Fit after self-cal, rms=0.261430Jy sigma=0.001772 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000124619 Jy ! Component: 100 - total flux cleaned = -7.087e-05 Jy ! Component: 150 - total flux cleaned = -7.33835e-05 Jy ! Component: 200 - total flux cleaned = -0.000124663 Jy ! Total flux subtracted in 200 components = -0.000124663 Jy ! Clean residual min=-0.002446 max=0.002430 Jy/beam ! Clean residual mean=0.000036 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 1.89268 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 172 components and 1.89268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261402Jy sigma=0.001771 ! Fit after self-cal, rms=0.261399Jy sigma=0.001771 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261399Jy sigma=0.001771 ! Fit after self-cal, rms=0.261546Jy sigma=0.001771 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.5723 mas, bmaj=0.607 mas, bpa=29.14 degrees ! Estimated noise=597.734 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.844928 Jy ! Component: 100 - total flux cleaned = 1.14309 Jy ! Component: 150 - total flux cleaned = 1.32493 Jy ! Component: 200 - total flux cleaned = 1.4429 Jy ! Total flux subtracted in 200 components = 1.4429 Jy ! Clean residual min=-0.012972 max=0.063649 Jy/beam ! Clean residual mean=0.000475 rms=0.005568 Jy/beam ! Combined flux in latest and established models = 1.4429 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 1.4429 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7579 mas, bmaj=0.8864 mas, bpa=-24.23 degrees ! Estimated noise=290.505 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 = 0.153808 Jy ! Component: 100 - total flux cleaned = 0.235392 Jy ! Component: 150 - total flux cleaned = 0.282823 Jy ! Component: 200 - total flux cleaned = 0.314336 Jy ! Total flux subtracted in 200 components = 0.314336 Jy ! Clean residual min=-0.004082 max=0.017710 Jy/beam ! Clean residual mean=0.001613 rms=0.003764 Jy/beam ! Combined flux in latest and established models = 1.75724 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 59 components and 1.75724 Jy ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0232779 Jy ! Component: 100 - total flux cleaned = 0.0415437 Jy ! Component: 150 - total flux cleaned = 0.0561375 Jy ! Component: 200 - total flux cleaned = 0.0679972 Jy ! Total flux subtracted in 200 components = 0.0679972 Jy ! Clean residual min=-0.002769 max=0.007802 Jy/beam ! Clean residual mean=0.000813 rms=0.001866 Jy/beam ! Combined flux in latest and established models = 1.82524 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 119 components and 1.82524 Jy ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=2.418 mas, bmaj=2.784 mas, bpa=-1.549 degrees ! Estimated noise=380.273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0202604 Jy ! Component: 100 - total flux cleaned = 0.0334072 Jy ! Component: 150 - total flux cleaned = 0.0425504 Jy ! Component: 200 - total flux cleaned = 0.0491497 Jy ! Total flux subtracted in 200 components = 0.0491497 Jy ! Clean residual min=-0.003011 max=0.004872 Jy/beam ! Clean residual mean=0.000636 rms=0.001510 Jy/beam ! Combined flux in latest and established models = 1.87439 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 = 0.00484768 Jy ! Component: 100 - total flux cleaned = 0.00843802 Jy ! Component: 150 - total flux cleaned = 0.0111117 Jy ! Component: 200 - total flux cleaned = 0.0131147 Jy ! Total flux subtracted in 200 components = 0.0131147 Jy ! Clean residual min=-0.002770 max=0.002835 Jy/beam ! Clean residual mean=0.000245 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 1.8875 Jy ! Adding 122 model components to the UV plane model. ! The established model now contains 220 components and 1.8875 Jy ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! Estimated beam: bmin=0.7579 mas, bmaj=0.8864 mas, bpa=-24.23 degrees ! Estimated noise=290.505 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000128912 Jy ! Component: 100 - total flux cleaned = 0.00066753 Jy ! Component: 150 - total flux cleaned = 0.00099046 Jy ! Component: 200 - total flux cleaned = 0.00143109 Jy ! Total flux subtracted in 200 components = 0.00143109 Jy ! Clean residual min=-0.002428 max=0.002433 Jy/beam ! Clean residual mean=0.000086 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 1.88893 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 228 components and 1.88893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261581Jy sigma=0.001771 ! Fit after self-cal, rms=0.261501Jy sigma=0.001770 wmodel J1800+7828_X_2003_06_18_pus_map.mod ! Writing 228 model components to file: J1800+7828_X_2003_06_18_pus_map.mod wobs J1800+7828_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1800+7828_X_2003_06_18_pus_uvs.fits wwins J1800+7828_X_2003_06_18_pus_map.win ! wwins: Wrote 7 windows to J1800+7828_X_2003_06_18_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 3.62086e-05 Jy ! Component: 100 - total flux cleaned = 3.66622e-05 Jy ! Component: 150 - total flux cleaned = 7.55891e-05 Jy ! Component: 200 - total flux cleaned = 0.000150833 Jy ! Component: 250 - total flux cleaned = 0.000260157 Jy ! Component: 300 - total flux cleaned = 0.000330528 Jy ! Component: 350 - total flux cleaned = 0.000570355 Jy ! Component: 400 - total flux cleaned = 0.000737554 Jy ! Component: 450 - total flux cleaned = 0.000901634 Jy ! Component: 500 - total flux cleaned = 0.00109469 Jy ! Component: 550 - total flux cleaned = 0.00125219 Jy ! Component: 600 - total flux cleaned = 0.00140757 Jy ! Component: 650 - total flux cleaned = 0.00159104 Jy ! Component: 700 - total flux cleaned = 0.00171142 Jy ! Component: 750 - total flux cleaned = 0.00183046 Jy ! Component: 800 - total flux cleaned = 0.00200667 Jy ! Component: 850 - total flux cleaned = 0.00206476 Jy ! Component: 900 - total flux cleaned = 0.00220854 Jy ! Component: 950 - total flux cleaned = 0.00237856 Jy ! Component: 1000 - total flux cleaned = 0.00246264 Jy ! Total flux subtracted in 1024 components = 0.00251844 Jy ! Clean residual min=-0.001760 max=0.001996 Jy/beam ! Clean residual mean=0.000053 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 1.89145 Jy keep ! Adding 87 model components to the UV plane model. ! The established model now contains 313 components and 1.89145 Jy wmap "J1800+7828_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7579 x 0.8864 at -24.23 degrees (North through East) ! Clean map min=-0.0019062 max=1.172 Jy/beam ! Writing clean map to FITS file: J1800+7828_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.17202 invert ! Inverting map ! Your choice of large map pixels excluded 1.18% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1839 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00055162 device "J1800+7828_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1800+7828_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.141198 0.141198 0.282396 0.564791 1.12958 2.25917 4.51833 9.03666 18.0733 36.1467 72.2933 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.172 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7579 x 0.8864 at -24.23 degrees (North through East) ! Clean map min=-0.0019062 max=1.172 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1800+7828_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1800+7828_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1800+7828_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 18:10:30 2007