! Started logfile: J0222-3441_X_2008_04_02_pus_uvs.log on Sun Feb 21 18:21:02 2010 obs J0222-3441_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0222-3441_X_2008_04_02_pus_uva.fits ! AN table 1: 44 integrations on 120 of 120 possible baselines. ! AN table 2: 45 integrations on 120 of 120 possible baselines. ! AN table 3: 41 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.102564 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0222-3441 ! ! 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 2284 lines of history. ! ! Reading 6400 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",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 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.728827Jy sigma=0.005621 ! Fit after self-cal, rms=0.484103Jy sigma=0.003634 ! 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 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6533 mas, bmaj=1.864 mas, bpa=-0.8619 degrees ! Estimated noise=1966.94 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 = 0.446016 Jy ! Component: 100 - total flux cleaned = 0.615303 Jy ! Total flux subtracted in 100 components = 0.615303 Jy ! Clean residual min=-0.034212 max=0.081055 Jy/beam ! Clean residual mean=0.002738 rms=0.014633 Jy/beam ! Combined flux in latest and established models = 0.615303 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.615303 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245442Jy sigma=0.002022 ! Fit after self-cal, rms=0.245075Jy sigma=0.002019 ! Inverting map ! Your choice of large map pixels excluded 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.847 mas, bmaj=2.47 mas, bpa=-7.833 degrees ! Estimated noise=1134.8 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 = 0.139559 Jy ! Component: 100 - total flux cleaned = 0.200054 Jy ! Component: 150 - total flux cleaned = 0.226578 Jy ! Component: 200 - total flux cleaned = 0.238399 Jy ! Total flux subtracted in 200 components = 0.238399 Jy ! Clean residual min=-0.014959 max=0.041366 Jy/beam ! Clean residual mean=0.003057 rms=0.008829 Jy/beam ! Combined flux in latest and established models = 0.853701 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 31 components and 0.853701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171148Jy sigma=0.001316 ! Fit after self-cal, rms=0.171006Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HH 1.00* HN 1.00* ! KK 0.99 KP 0.95 LA 0.98 MK 0.93 ! NL 1.22 NY 1.00* ON 1.00* OV 1.01 ! PT 1.00 SC 0.94 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.31 ! KK 1.00* KP 1.09 LA 0.96 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.93 SC 1.05 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HH 1.00* HN 1.00* ! KK 0.96 KP 0.90 LA 0.96 MK 0.92 ! NL 1.19 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 0.94 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 HH 1.00* HN 1.30 ! KK 1.00* KP 1.04 LA 0.93 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.97 SC 1.03 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HH 1.00* HN 1.00* ! KK 1.03 KP 0.94 LA 1.01 MK 0.95 ! NL 1.22 NY 1.00* ON 1.00* OV 1.03 ! PT 0.99 SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.17 ! KK 1.00* KP 1.04 LA 1.00 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.95 SC 1.15 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HH 1.00* HN 1.00* ! KK 0.94 KP 0.94 LA 0.97 MK 1.00 ! NL 1.24 NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HH 1.00* HN 1.37 ! KK 1.00* KP 1.06 LA 0.97 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.95 SC 1.07 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.171006Jy sigma=0.001315 ! Fit after self-cal, rms=0.164776Jy sigma=0.001210 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8228 mas, bmaj=2.387 mas, bpa=-7.667 degrees ! Estimated noise=1159.83 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 (2.4, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171289 Jy ! Component: 100 - total flux cleaned = 0.0208209 Jy ! Component: 150 - total flux cleaned = 0.0210581 Jy ! Component: 200 - total flux cleaned = 0.0212637 Jy ! Total flux subtracted in 200 components = 0.0212637 Jy ! Clean residual min=-0.008948 max=0.009565 Jy/beam ! Clean residual mean=-0.000195 rms=0.002646 Jy/beam ! Combined flux in latest and established models = 0.874965 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.874965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162842Jy sigma=0.001195 ! Fit after self-cal, rms=0.162854Jy sigma=0.001193 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.162854Jy sigma=0.001193 ! Fit after self-cal, rms=0.161963Jy sigma=0.001192 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8222 mas, bmaj=2.38 mas, bpa=-7.569 degrees ! Estimated noise=1158.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00704487 Jy ! Component: 100 - total flux cleaned = 0.00768482 Jy ! Component: 150 - total flux cleaned = 0.00735446 Jy ! Component: 200 - total flux cleaned = 0.00719193 Jy ! Total flux subtracted in 200 components = 0.00719193 Jy ! Clean residual min=-0.007975 max=0.007362 Jy/beam ! Clean residual mean=-0.000015 rms=0.002173 Jy/beam ! Combined flux in latest and established models = 0.882157 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 65 components and 0.882157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161320Jy sigma=0.001188 ! Fit after self-cal, rms=0.161208Jy sigma=0.001187 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.00223524 Jy ! Component: 100 - total flux cleaned = 0.00209501 Jy ! Component: 150 - total flux cleaned = 0.00181819 Jy ! Component: 200 - total flux cleaned = 0.00168763 Jy ! Total flux subtracted in 200 components = 0.00168763 Jy ! Clean residual min=-0.008039 max=0.006714 Jy/beam ! Clean residual mean=-0.000057 rms=0.002006 Jy/beam ! Combined flux in latest and established models = 0.883844 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 73 components and 0.883845 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160877Jy sigma=0.001186 ! Fit after self-cal, rms=0.160844Jy sigma=0.001185 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.160844Jy sigma=0.001185 ! Fit after self-cal, rms=0.160388Jy sigma=0.001185 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8232 mas, bmaj=2.377 mas, bpa=-7.469 degrees ! Estimated noise=1159.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00377936 Jy ! Component: 100 - total flux cleaned = 0.00393435 Jy ! Component: 150 - total flux cleaned = 0.00381626 Jy ! Component: 200 - total flux cleaned = 0.00370459 Jy ! Total flux subtracted in 200 components = 0.00370459 Jy ! Clean residual min=-0.007054 max=0.006172 Jy/beam ! Clean residual mean=0.000005 rms=0.001779 Jy/beam ! Combined flux in latest and established models = 0.887549 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 0.887549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160077Jy sigma=0.001183 ! Fit after self-cal, rms=0.160029Jy sigma=0.001183 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.0014573 Jy ! Component: 100 - total flux cleaned = 0.00145932 Jy ! Component: 150 - total flux cleaned = 0.00135609 Jy ! Component: 200 - total flux cleaned = 0.00115422 Jy ! Total flux subtracted in 200 components = 0.00115422 Jy ! Clean residual min=-0.006938 max=0.005779 Jy/beam ! Clean residual mean=-0.000024 rms=0.001684 Jy/beam ! Combined flux in latest and established models = 0.888703 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.888703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159843Jy sigma=0.001182 ! Fit after self-cal, rms=0.159833Jy sigma=0.001182 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.159833Jy sigma=0.001182 ! Fit after self-cal, rms=0.159630Jy sigma=0.001182 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.532 mas, bmaj=7.692 mas, bpa=3.112 degrees ! Estimated noise=1467.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328761 Jy ! Component: 100 - total flux cleaned = 0.00347401 Jy ! Component: 150 - total flux cleaned = 0.00339729 Jy ! Component: 200 - total flux cleaned = 0.0032597 Jy ! Total flux subtracted in 200 components = 0.0032597 Jy ! Clean residual min=-0.004814 max=0.004974 Jy/beam ! Clean residual mean=-0.000046 rms=0.001853 Jy/beam ! Combined flux in latest and established models = 0.891963 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 87 components and 0.891963 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159559Jy sigma=0.001181 ! Fit after self-cal, rms=0.159512Jy sigma=0.001181 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.000733327 Jy ! Component: 100 - total flux cleaned = 0.000666797 Jy ! Component: 150 - total flux cleaned = 0.000544899 Jy ! Component: 200 - total flux cleaned = 0.000484632 Jy ! Total flux subtracted in 200 components = 0.000484632 Jy ! Clean residual min=-0.004427 max=0.004863 Jy/beam ! Clean residual mean=-0.000076 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.892448 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 88 components and 0.892448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159447Jy sigma=0.001181 ! Fit after self-cal, rms=0.159439Jy sigma=0.001181 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8239 mas, bmaj=2.375 mas, bpa=-7.392 degrees ! Estimated noise=1161.16 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8239 x 2.375 at -7.392 degrees (North through East) ! Clean map min=-0.0062297 max=0.58712 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=0.159439Jy sigma=0.001181 ! Fit after self-cal, rms=0.152342Jy sigma=0.001080 ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8239 mas, bmaj=2.373 mas, bpa=-7.336 degrees ! Estimated noise=1162.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152082 Jy ! Component: 100 - total flux cleaned = 0.0017227 Jy ! Component: 150 - total flux cleaned = 0.00181608 Jy ! Component: 200 - total flux cleaned = 0.00190226 Jy ! Total flux subtracted in 200 components = 0.00190226 Jy ! Clean residual min=-0.005881 max=0.004470 Jy/beam ! Clean residual mean=-0.000014 rms=0.001450 Jy/beam ! Combined flux in latest and established models = 0.89435 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 102 components and 0.89435 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152192Jy sigma=0.001079 ! Fit after self-cal, rms=0.152195Jy sigma=0.001079 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000464941 Jy ! Component: 100 - total flux cleaned = 0.00054536 Jy ! Component: 150 - total flux cleaned = 0.000616994 Jy ! Component: 200 - total flux cleaned = 0.000548453 Jy ! Total flux subtracted in 200 components = 0.000548453 Jy ! Clean residual min=-0.005663 max=0.004414 Jy/beam ! Clean residual mean=-0.000028 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 0.894899 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 107 components and 0.894899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152097Jy sigma=0.001079 ! Fit after self-cal, rms=0.152099Jy sigma=0.001079 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152099Jy sigma=0.001079 ! Fit after self-cal, rms=0.152063Jy sigma=0.001079 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6444 mas, bmaj=1.847 mas, bpa=-0.3514 degrees ! Estimated noise=1968.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.445222 Jy ! Component: 100 - total flux cleaned = 0.617658 Jy ! Component: 150 - total flux cleaned = 0.709498 Jy ! Component: 200 - total flux cleaned = 0.763415 Jy ! Total flux subtracted in 200 components = 0.763415 Jy ! Clean residual min=-0.014731 max=0.029779 Jy/beam ! Clean residual mean=0.000833 rms=0.006163 Jy/beam ! Combined flux in latest and established models = 0.763415 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.763415 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.824 mas, bmaj=2.373 mas, bpa=-7.328 degrees ! Estimated noise=1162.8 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) ! Added new window around map position (0.8, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0542496 Jy ! Component: 100 - total flux cleaned = 0.0835267 Jy ! Component: 150 - total flux cleaned = 0.101401 Jy ! Component: 200 - total flux cleaned = 0.112888 Jy ! Total flux subtracted in 200 components = 0.112888 Jy ! Clean residual min=-0.005448 max=0.008000 Jy/beam ! Clean residual mean=0.000502 rms=0.002072 Jy/beam ! Combined flux in latest and established models = 0.876303 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 74 components and 0.876303 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.528 mas, bmaj=7.695 mas, bpa=3.133 degrees ! Estimated noise=1469.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110633 Jy ! Component: 100 - total flux cleaned = 0.0162734 Jy ! Component: 150 - total flux cleaned = 0.0189739 Jy ! Component: 200 - total flux cleaned = 0.0196009 Jy ! Total flux subtracted in 200 components = 0.0196009 Jy ! Clean residual min=-0.004087 max=0.003905 Jy/beam ! Clean residual mean=-0.000016 rms=0.001641 Jy/beam ! Combined flux in latest and established models = 0.895904 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 = 6.1724e-05 Jy ! Component: 100 - total flux cleaned = 5.85204e-05 Jy ! Component: 150 - total flux cleaned = 9.0898e-07 Jy ! Component: 200 - total flux cleaned = -1.18777e-06 Jy ! Total flux subtracted in 200 components = -1.18777e-06 Jy ! Clean residual min=-0.003991 max=0.003914 Jy/beam ! Clean residual mean=-0.000020 rms=0.001618 Jy/beam ! Combined flux in latest and established models = 0.895903 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 99 components and 0.895903 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.824 mas, bmaj=2.373 mas, bpa=-7.328 degrees ! Estimated noise=1162.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000986277 Jy ! Component: 100 - total flux cleaned = -0.000988343 Jy ! Component: 150 - total flux cleaned = -0.000892305 Jy ! Component: 200 - total flux cleaned = -0.000801331 Jy ! Total flux subtracted in 200 components = -0.000801331 Jy ! Clean residual min=-0.005387 max=0.004414 Jy/beam ! Clean residual mean=0.000010 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.895102 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 115 components and 0.895101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152077Jy sigma=0.001079 ! Fit after self-cal, rms=0.152027Jy sigma=0.001078 wmodel J0222-3441_X_2008_04_02_pus_map.mod ! Writing 115 model components to file: J0222-3441_X_2008_04_02_pus_map.mod wobs J0222-3441_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0222-3441_X_2008_04_02_pus_uvs.fits wwins J0222-3441_X_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0222-3441_X_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 ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00165563 Jy ! Component: 100 - total flux cleaned = -0.00196147 Jy ! Component: 150 - total flux cleaned = -0.00232271 Jy ! Component: 200 - total flux cleaned = -0.00246194 Jy ! Component: 250 - total flux cleaned = -0.00246169 Jy ! Component: 300 - total flux cleaned = -0.00246207 Jy ! Component: 350 - total flux cleaned = -0.00252106 Jy ! Component: 400 - total flux cleaned = -0.00252037 Jy ! Component: 450 - total flux cleaned = -0.00251993 Jy ! Component: 500 - total flux cleaned = -0.00257184 Jy ! Component: 550 - total flux cleaned = -0.00257096 Jy ! Component: 600 - total flux cleaned = -0.00247144 Jy ! Component: 650 - total flux cleaned = -0.00261894 Jy ! Component: 700 - total flux cleaned = -0.00271357 Jy ! Component: 750 - total flux cleaned = -0.00285137 Jy ! Component: 800 - total flux cleaned = -0.00298537 Jy ! Component: 850 - total flux cleaned = -0.00311669 Jy ! Component: 900 - total flux cleaned = -0.00324525 Jy ! Component: 950 - total flux cleaned = -0.00341115 Jy ! Component: 1000 - total flux cleaned = -0.00349148 Jy ! Total flux subtracted in 1024 components = -0.0035315 Jy ! Clean residual min=-0.002273 max=0.002388 Jy/beam ! Clean residual mean=0.000017 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.89157 Jy keep ! Adding 52 model components to the UV plane model. ! The established model now contains 166 components and 0.89157 Jy wmap "J0222-3441_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.824 x 2.373 at -7.328 degrees (North through East) ! Clean map min=-0.004164 max=0.59211 Jy/beam ! Writing clean map to FITS file: J0222-3441_X_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 0.592115 invert ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000804787 device "J0222-3441_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0222-3441_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.407752 0.407752 0.815504 1.63101 3.26202 6.52403 13.0481 26.0961 52.1923 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.592 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.824 x 2.373 at -7.328 degrees (North through East) ! Clean map min=-0.004164 max=0.59211 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0222-3441_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0222-3441_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0222-3441_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 18:21:04 2010