! Started logfile: J2230+6946_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:20:10 2010 obs J2230+6946_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2230+6946_X_2008_07_09_pus_uva.fits ! AN table 1: 127 integrations on 105 of 105 possible baselines. ! AN table 2: 228 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.182589 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2230+6946 ! ! 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 1142 lines of history. ! ! Reading 27224 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 1076 telescope corrections were flagged in sub-array 1. ! A total of 2359 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1076 telescope corrections were flagged in sub-array 1. ! A total of 2359 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1076 telescope corrections were flagged in sub-array 1. ! A total of 2359 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1076 telescope corrections were flagged in sub-array 1. ! A total of 2359 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.872297Jy sigma=0.006410 ! Fit after self-cal, rms=0.534032Jy sigma=0.003695 ! 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.5362 mas, bmaj=0.7818 mas, bpa=-63.81 degrees ! Estimated noise=1319.32 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 = 0.402841 Jy ! Component: 100 - total flux cleaned = 0.502511 Jy ! Total flux subtracted in 100 components = 0.502511 Jy ! Clean residual min=-0.014503 max=0.040809 Jy/beam ! Clean residual mean=-0.000001 rms=0.004359 Jy/beam ! Combined flux in latest and established models = 0.502511 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.502511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229048Jy sigma=0.001390 ! Fit after self-cal, rms=0.229088Jy sigma=0.001389 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0434639 Jy ! Component: 100 - total flux cleaned = 0.0656088 Jy ! Total flux subtracted in 100 components = 0.0656088 Jy ! Clean residual min=-0.012865 max=0.011972 Jy/beam ! Clean residual mean=-0.000005 rms=0.002943 Jy/beam ! Combined flux in latest and established models = 0.56812 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.56812 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219809Jy sigma=0.001292 ! Fit after self-cal, rms=0.219764Jy sigma=0.001292 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6263 mas, bmaj=0.9483 mas, bpa=-62.83 degrees ! Estimated noise=623.492 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 = 0.0173282 Jy ! Component: 100 - total flux cleaned = 0.0260148 Jy ! Component: 150 - total flux cleaned = 0.030829 Jy ! Component: 200 - total flux cleaned = 0.0335809 Jy ! Total flux subtracted in 200 components = 0.0335809 Jy ! Clean residual min=-0.012452 max=0.009138 Jy/beam ! Clean residual mean=-0.000192 rms=0.002795 Jy/beam ! Combined flux in latest and established models = 0.601701 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.601701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218614Jy sigma=0.001279 ! Fit after self-cal, rms=0.218582Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 147 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.09 HH 1.00* HN 1.12 ! KK 1.09 KP 1.06 LA 1.04 MK 1.00* ! NL 1.11 NY 0.99 ON 0.88 PT 1.08 ! SC 1.00* WZ 1.01 ZC 0.97 ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.96 HH 1.00* HN 1.02 ! KK 1.03 KP 1.00 LA 0.95 MK 0.97 ! NL 0.97 NY 0.95 ON 0.94 PT 0.96 ! SC 1.04 WZ 0.98 ZC 0.99 ! ! ! Correcting IF 2. ! A total of 147 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.08 HH 1.00* HN 1.03 ! KK 1.04 KP 1.03 LA 1.03 MK 1.00* ! NL 1.10 NY 1.03 ON 0.82 PT 1.08 ! SC 1.00* WZ 0.99 ZC 0.96 ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 HH 1.00* HN 0.95 ! KK 1.02 KP 0.94 LA 0.95 MK 0.96 ! NL 0.95 NY 0.99 ON 0.95 PT 0.96 ! SC 1.06 WZ 1.00 ZC 1.00 ! ! ! Correcting IF 3. ! A total of 147 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HH 1.00* HN 1.03 ! KK 1.02 KP 1.06 LA 1.05 MK 1.00* ! NL 1.15 NY 1.01 ON 0.87 PT 1.08 ! SC 1.00* WZ 1.01 ZC 0.99 ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 HH 1.00* HN 0.94 ! KK 1.04 KP 0.98 LA 0.97 MK 0.98 ! NL 1.01 NY 0.94 ON 0.92 PT 0.96 ! SC 1.11 WZ 1.00 ZC 1.01 ! ! ! Correcting IF 4. ! A total of 147 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.10 HH 1.00* HN 1.03 ! KK 1.03 KP 1.06 LA 1.04 MK 1.00* ! NL 1.13 NY 1.05 ON 0.86 PT 1.12 ! SC 1.00* WZ 0.99 ZC 0.99 ! ! A total of 96 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.97 HH 1.00* HN 0.94 ! KK 1.02 KP 0.97 LA 0.97 MK 1.01 ! NL 1.02 NY 0.99 ON 0.97 PT 1.00 ! SC 1.08 WZ 1.02 ZC 0.99 ! ! ! Fit before self-cal, rms=0.218582Jy sigma=0.001279 ! Fit after self-cal, rms=0.210648Jy sigma=0.001241 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6292 mas, bmaj=0.9592 mas, bpa=-64.41 degrees ! Estimated noise=625.881 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 = 0.00207071 Jy ! Component: 100 - total flux cleaned = 0.00195962 Jy ! Component: 150 - total flux cleaned = 0.00186179 Jy ! Component: 200 - total flux cleaned = 0.00181686 Jy ! Total flux subtracted in 200 components = 0.00181686 Jy ! Clean residual min=-0.003062 max=0.004255 Jy/beam ! Clean residual mean=0.000083 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.603518 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 21 components and 0.603518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210590Jy sigma=0.001241 ! Fit after self-cal, rms=0.210551Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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=0.210551Jy sigma=0.001241 ! Fit after self-cal, rms=0.211298Jy sigma=0.001239 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6281 mas, bmaj=0.9625 mas, bpa=-64.41 degrees ! Estimated noise=626.725 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134014 Jy ! Component: 100 - total flux cleaned = 0.0015315 Jy ! Component: 150 - total flux cleaned = 0.00157141 Jy ! Component: 200 - total flux cleaned = 0.00154229 Jy ! Total flux subtracted in 200 components = 0.00154229 Jy ! Clean residual min=-0.003271 max=0.004156 Jy/beam ! Clean residual mean=0.000085 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.60506 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 22 components and 0.60506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211289Jy sigma=0.001239 ! Fit after self-cal, rms=0.211278Jy sigma=0.001239 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 (5.6, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00265837 Jy ! Component: 100 - total flux cleaned = 0.00310412 Jy ! Component: 150 - total flux cleaned = 0.00339236 Jy ! Component: 200 - total flux cleaned = 0.00357895 Jy ! Total flux subtracted in 200 components = 0.00357895 Jy ! Clean residual min=-0.002924 max=0.003153 Jy/beam ! Clean residual mean=0.000060 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.608639 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 36 components and 0.608639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211172Jy sigma=0.001239 ! Fit after self-cal, rms=0.211166Jy sigma=0.001239 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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=0.211166Jy sigma=0.001239 ! Fit after self-cal, rms=0.211430Jy sigma=0.001239 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6277 mas, bmaj=0.9629 mas, bpa=-64.41 degrees ! Estimated noise=627.235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104135 Jy ! Component: 100 - total flux cleaned = 0.00132488 Jy ! Component: 150 - total flux cleaned = 0.00157322 Jy ! Component: 200 - total flux cleaned = 0.00166294 Jy ! Total flux subtracted in 200 components = 0.00166294 Jy ! Clean residual min=-0.002883 max=0.003038 Jy/beam ! Clean residual mean=0.000047 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.610302 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 39 components and 0.610302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211401Jy sigma=0.001238 ! Fit after self-cal, rms=0.211402Jy sigma=0.001238 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 = 0.000323475 Jy ! Component: 100 - total flux cleaned = 0.000363807 Jy ! Component: 150 - total flux cleaned = 0.000401215 Jy ! Component: 200 - total flux cleaned = 0.000471171 Jy ! Total flux subtracted in 200 components = 0.000471171 Jy ! Clean residual min=-0.002896 max=0.003023 Jy/beam ! Clean residual mean=0.000043 rms=0.000892 Jy/beam ! Combined flux in latest and established models = 0.610773 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 43 components and 0.610773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211389Jy sigma=0.001238 ! Fit after self-cal, rms=0.211385Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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=0.211385Jy sigma=0.001238 ! Fit after self-cal, rms=0.211591Jy sigma=0.001238 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=2.332 mas, bmaj=2.697 mas, bpa=-49.82 degrees ! Estimated noise=958.254 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189375 Jy ! Component: 100 - total flux cleaned = 0.00261601 Jy ! Component: 150 - total flux cleaned = 0.00272304 Jy ! Component: 200 - total flux cleaned = 0.00281683 Jy ! Total flux subtracted in 200 components = 0.00281683 Jy ! Clean residual min=-0.005013 max=0.004829 Jy/beam ! Clean residual mean=0.000131 rms=0.001630 Jy/beam ! Combined flux in latest and established models = 0.61359 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.61359 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211594Jy sigma=0.001238 ! Fit after self-cal, rms=0.211597Jy sigma=0.001238 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 = 0.000328329 Jy ! Component: 100 - total flux cleaned = 0.000391576 Jy ! Component: 150 - total flux cleaned = 0.000411071 Jy ! Component: 200 - total flux cleaned = 0.000446772 Jy ! Total flux subtracted in 200 components = 0.000446772 Jy ! Clean residual min=-0.005012 max=0.004825 Jy/beam ! Clean residual mean=0.000127 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 0.614037 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 48 components and 0.614037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211598Jy sigma=0.001238 ! Fit after self-cal, rms=0.211597Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6277 mas, bmaj=0.963 mas, bpa=-64.41 degrees ! Estimated noise=627.721 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6277 x 0.963 at -64.41 degrees (North through East) ! Clean map min=-0.0026607 max=0.53318 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=0.211597Jy sigma=0.001238 ! Fit after self-cal, rms=2.042701Jy sigma=0.001128 ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6274 mas, bmaj=0.9614 mas, bpa=-64.36 degrees ! Estimated noise=629.032 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000576342 Jy ! Component: 100 - total flux cleaned = 0.000794705 Jy ! Component: 150 - total flux cleaned = 0.000839672 Jy ! Component: 200 - total flux cleaned = 0.000797897 Jy ! Total flux subtracted in 200 components = 0.000797897 Jy ! Clean residual min=-0.003044 max=0.002973 Jy/beam ! Clean residual mean=0.000055 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 0.614835 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 0.614835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.042692Jy sigma=0.001128 ! Fit after self-cal, rms=2.042685Jy sigma=0.001128 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131153 Jy ! Component: 100 - total flux cleaned = 0.000131258 Jy ! Component: 150 - total flux cleaned = 9.57723e-05 Jy ! Component: 200 - total flux cleaned = 3.26303e-05 Jy ! Total flux subtracted in 200 components = 3.26303e-05 Jy ! Clean residual min=-0.003058 max=0.002974 Jy/beam ! Clean residual mean=0.000054 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 0.614868 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.614868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.042683Jy sigma=0.001128 ! Fit after self-cal, rms=2.042688Jy sigma=0.001128 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.042688Jy sigma=0.001128 ! Fit after self-cal, rms=1.532972Jy sigma=0.001128 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.5399 mas, bmaj=0.7833 mas, bpa=-65.18 degrees ! Estimated noise=1321.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.406497 Jy ! Component: 100 - total flux cleaned = 0.507787 Jy ! Component: 150 - total flux cleaned = 0.550168 Jy ! Component: 200 - total flux cleaned = 0.571885 Jy ! Total flux subtracted in 200 components = 0.571885 Jy ! Clean residual min=-0.006043 max=0.011051 Jy/beam ! Clean residual mean=0.000016 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 0.571885 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.571885 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6274 mas, bmaj=0.9614 mas, bpa=-64.34 degrees ! Estimated noise=630.204 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 = 0.0180196 Jy ! Component: 100 - total flux cleaned = 0.0273224 Jy ! Component: 150 - total flux cleaned = 0.0329403 Jy ! Component: 200 - total flux cleaned = 0.0367651 Jy ! Total flux subtracted in 200 components = 0.0367651 Jy ! Clean residual min=-0.003254 max=0.003307 Jy/beam ! Clean residual mean=0.000065 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 0.60865 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.60865 Jy ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=2.33 mas, bmaj=2.698 mas, bpa=-49.66 degrees ! Estimated noise=963.542 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00507461 Jy ! Component: 100 - total flux cleaned = 0.0073547 Jy ! Component: 150 - total flux cleaned = 0.00782728 Jy ! Component: 200 - total flux cleaned = 0.00816954 Jy ! Total flux subtracted in 200 components = 0.00816954 Jy ! Clean residual min=-0.004487 max=0.004796 Jy/beam ! Clean residual mean=0.000205 rms=0.001592 Jy/beam ! Combined flux in latest and established models = 0.61682 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 = 0.000224111 Jy ! Component: 100 - total flux cleaned = 0.000380309 Jy ! Component: 150 - total flux cleaned = 0.000488726 Jy ! Component: 200 - total flux cleaned = 0.000564093 Jy ! Total flux subtracted in 200 components = 0.000564093 Jy ! Clean residual min=-0.004518 max=0.004823 Jy/beam ! Clean residual mean=0.000202 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 0.617384 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 46 components and 0.617384 Jy ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! Estimated beam: bmin=0.6274 mas, bmaj=0.9614 mas, bpa=-64.34 degrees ! Estimated noise=630.204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000466992 Jy ! Component: 100 - total flux cleaned = -0.000880392 Jy ! Component: 150 - total flux cleaned = -0.00116507 Jy ! Component: 200 - total flux cleaned = -0.00135159 Jy ! Total flux subtracted in 200 components = -0.00135159 Jy ! Clean residual min=-0.003203 max=0.002993 Jy/beam ! Clean residual mean=0.000058 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 0.616032 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 0.616032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.532979Jy sigma=0.001128 ! Fit after self-cal, rms=1.533025Jy sigma=0.001128 wmodel J2230+6946_X_2008_07_09_pus_map.mod ! Writing 55 model components to file: J2230+6946_X_2008_07_09_pus_map.mod wobs J2230+6946_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2230+6946_X_2008_07_09_pus_uvs.fits wwins J2230+6946_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J2230+6946_X_2008_07_09_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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000372724 Jy ! Component: 100 - total flux cleaned = -2.24648e-06 Jy ! Component: 150 - total flux cleaned = 0.000196965 Jy ! Component: 200 - total flux cleaned = 0.000486031 Jy ! Component: 250 - total flux cleaned = 0.000859466 Jy ! Component: 300 - total flux cleaned = 0.00122337 Jy ! Component: 350 - total flux cleaned = 0.00149073 Jy ! Component: 400 - total flux cleaned = 0.00179626 Jy ! Component: 450 - total flux cleaned = 0.0020962 Jy ! Component: 500 - total flux cleaned = 0.00243253 Jy ! Component: 550 - total flux cleaned = 0.00268046 Jy ! Component: 600 - total flux cleaned = 0.00292406 Jy ! Component: 650 - total flux cleaned = 0.00316319 Jy ! Component: 700 - total flux cleaned = 0.00339906 Jy ! Component: 750 - total flux cleaned = 0.00370876 Jy ! Component: 800 - total flux cleaned = 0.00389916 Jy ! Component: 850 - total flux cleaned = 0.00412474 Jy ! Component: 900 - total flux cleaned = 0.00438414 Jy ! Component: 950 - total flux cleaned = 0.0045307 Jy ! Component: 1000 - total flux cleaned = 0.00478349 Jy ! Total flux subtracted in 1024 components = 0.00492663 Jy ! Clean residual min=-0.001949 max=0.002148 Jy/beam ! Clean residual mean=0.000035 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.620959 Jy keep ! Adding 73 model components to the UV plane model. ! The established model now contains 128 components and 0.620959 Jy wmap "J2230+6946_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6274 x 0.9614 at -64.34 degrees (North through East) ! Clean map min=-0.0023587 max=0.53574 Jy/beam ! Writing clean map to FITS file: J2230+6946_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.535744 invert ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1624 milli-arcsec ! The y-axis pixel size should ideally be below 0.1947 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000688826 device "J2230+6946_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2230+6946_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.385722 0.385722 0.771443 1.54289 3.08577 6.17155 12.3431 24.6862 49.3724 98.7447 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.535 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6274 x 0.9614 at -64.34 degrees (North through East) ! Clean map min=-0.0023587 max=0.53574 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2230+6946_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2230+6946_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2230+6946_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:20:15 2010