! Started logfile: J0607+6720_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:46:09 2010 obs J0607+6720_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0607+6720_X_2008_04_02_pus_uva.fits ! AN table 1: 209 integrations on 120 of 120 possible baselines. ! AN table 2: 151 integrations on 120 of 120 possible baselines. ! AN table 3: 73 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.106409 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0607+6720 ! ! 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 22116 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 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 = 512x512 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 2476 telescope corrections were flagged in sub-array 1. ! A total of 1821 telescope corrections were flagged in sub-array 2. ! A total of 779 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2476 telescope corrections were flagged in sub-array 1. ! A total of 1821 telescope corrections were flagged in sub-array 2. ! A total of 779 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2476 telescope corrections were flagged in sub-array 1. ! A total of 1821 telescope corrections were flagged in sub-array 2. ! A total of 779 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2476 telescope corrections were flagged in sub-array 1. ! A total of 1821 telescope corrections were flagged in sub-array 2. ! A total of 779 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.663587Jy sigma=0.005921 ! Fit after self-cal, rms=0.549586Jy sigma=0.004773 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7758 mas, bmaj=1.582 mas, bpa=12.06 degrees ! Estimated noise=953.961 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 = 0.359297 Jy ! Component: 100 - total flux cleaned = 0.490433 Jy ! Total flux subtracted in 100 components = 0.490433 Jy ! Clean residual min=-0.014613 max=0.061880 Jy/beam ! Clean residual mean=-0.000109 rms=0.005460 Jy/beam ! Combined flux in latest and established models = 0.490433 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.490433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190185Jy sigma=0.001755 ! Fit after self-cal, rms=0.189521Jy sigma=0.001750 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0727319 Jy ! Component: 100 - total flux cleaned = 0.114127 Jy ! Total flux subtracted in 100 components = 0.114127 Jy ! Clean residual min=-0.008725 max=0.022211 Jy/beam ! Clean residual mean=-0.000081 rms=0.002658 Jy/beam ! Combined flux in latest and established models = 0.60456 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 25 components and 0.60456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149162Jy sigma=0.001324 ! Fit after self-cal, rms=0.148419Jy sigma=0.001320 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0270738 Jy ! Component: 100 - total flux cleaned = 0.0423093 Jy ! Total flux subtracted in 100 components = 0.0423093 Jy ! Clean residual min=-0.007055 max=0.012477 Jy/beam ! Clean residual mean=-0.000070 rms=0.001919 Jy/beam ! Combined flux in latest and established models = 0.646869 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 29 components and 0.646869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141757Jy sigma=0.001244 ! Fit after self-cal, rms=0.141520Jy sigma=0.001242 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9622 mas, bmaj=1.969 mas, bpa=14.45 degrees ! Estimated noise=526.666 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 = 0.0166534 Jy ! Component: 100 - total flux cleaned = 0.0242544 Jy ! Component: 150 - total flux cleaned = 0.0281367 Jy ! Component: 200 - total flux cleaned = 0.0290244 Jy ! Total flux subtracted in 200 components = 0.0290244 Jy ! Clean residual min=-0.006114 max=0.006408 Jy/beam ! Clean residual mean=-0.000120 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 0.675894 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 34 components and 0.675894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140085Jy sigma=0.001222 ! Fit after self-cal, rms=0.140002Jy sigma=0.001221 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 330 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00* ! KK 1.00 KP 1.00 LA 0.97 MK 0.98 ! NL 0.98 NY 1.00* ON 1.00* OV 1.00 ! PT 0.97 SC 1.07 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.05 HH 1.00* HN 1.05 ! KK 1.00* KP 1.02 LA 1.04 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.03 ! PT 1.03 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 0.97 HH 1.00* HN 1.00* ! KK 0.98 KP 0.99 LA 0.98 MK 0.98 ! NL 1.01 NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 330 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.97 HH 1.00* HN 1.00* ! KK 1.01 KP 0.95 LA 0.95 MK 0.99 ! NL 0.96 NY 1.00* ON 1.00* OV 0.97 ! PT 0.96 SC 1.09 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.04 HH 1.00* HN 1.07 ! KK 1.00* KP 0.99 LA 1.02 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 1.01 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.97 HH 1.00* HN 1.00* ! KK 0.96 KP 0.96 LA 0.97 MK 0.99 ! NL 0.98 NY 1.00* ON 1.00* OV 0.98 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 330 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HH 1.00* HN 1.00* ! KK 1.04 KP 0.98 LA 1.00 MK 1.02 ! NL 0.98 NY 1.00* ON 1.00* OV 1.00 ! PT 0.98 SC 1.09 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.06 HH 1.00* HN 1.07 ! KK 1.00* KP 1.02 LA 1.06 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.05 ! PT 1.03 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.99 HH 1.00* HN 1.00* ! KK 1.03 KP 0.99 LA 1.01 MK 1.03 ! NL 1.00 NY 1.00* ON 1.00* OV 1.02 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 330 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HH 1.00* HN 1.00* ! KK 1.01 KP 0.98 LA 0.98 MK 1.06 ! NL 1.01 NY 1.00* ON 1.00* OV 1.00 ! PT 0.98 SC 1.15 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.07 HH 1.00* HN 1.09 ! KK 1.00* KP 1.01 LA 1.05 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.04 ! PT 1.04 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.00 HH 1.00* HN 1.00* ! KK 1.00 KP 0.99 LA 0.99 MK 0.98 ! NL 1.05 NY 1.00* ON 1.00* OV 1.00 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.140002Jy sigma=0.001221 ! Fit after self-cal, rms=0.138102Jy sigma=0.001200 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.017 mas, bmaj=2.039 mas, bpa=11.99 degrees ! Estimated noise=539.471 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 = 0.000352609 Jy ! Component: 100 - total flux cleaned = 0.00049664 Jy ! Component: 150 - total flux cleaned = 0.000681652 Jy ! Component: 200 - total flux cleaned = 0.000735634 Jy ! Total flux subtracted in 200 components = 0.000735634 Jy ! Clean residual min=-0.003604 max=0.003752 Jy/beam ! Clean residual mean=-0.000047 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.676629 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 0.676629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138017Jy sigma=0.001200 ! Fit after self-cal, rms=0.138036Jy sigma=0.001200 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138036Jy sigma=0.001200 ! Fit after self-cal, rms=0.137312Jy sigma=0.001194 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=2.037 mas, bpa=12.02 degrees ! Estimated noise=539.073 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110275 Jy ! Component: 100 - total flux cleaned = 0.00126954 Jy ! Component: 150 - total flux cleaned = 0.0014601 Jy ! Component: 200 - total flux cleaned = 0.00154137 Jy ! Total flux subtracted in 200 components = 0.00154137 Jy ! Clean residual min=-0.003354 max=0.002771 Jy/beam ! Clean residual mean=-0.000032 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.678171 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 0.678171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137255Jy sigma=0.001193 ! Fit after self-cal, rms=0.137248Jy sigma=0.001193 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.47209e-05 Jy ! Component: 100 - total flux cleaned = 4.45281e-05 Jy ! Component: 150 - total flux cleaned = 4.6408e-05 Jy ! Component: 200 - total flux cleaned = 4.68313e-05 Jy ! Total flux subtracted in 200 components = 4.68313e-05 Jy ! Clean residual min=-0.003350 max=0.002753 Jy/beam ! Clean residual mean=-0.000032 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.678218 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.678218 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137220Jy sigma=0.001193 ! Fit after self-cal, rms=0.137215Jy sigma=0.001193 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137215Jy sigma=0.001193 ! Fit after self-cal, rms=0.136877Jy sigma=0.001190 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=2.035 mas, bpa=12 degrees ! Estimated noise=538.722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000809326 Jy ! Component: 100 - total flux cleaned = 0.000849453 Jy ! Component: 150 - total flux cleaned = 0.000921509 Jy ! Component: 200 - total flux cleaned = 0.000952748 Jy ! Total flux subtracted in 200 components = 0.000952748 Jy ! Clean residual min=-0.002925 max=0.002626 Jy/beam ! Clean residual mean=-0.000025 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.67917 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 46 components and 0.67917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136848Jy sigma=0.001190 ! Fit after self-cal, rms=0.136845Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.49133e-05 Jy ! Component: 100 - total flux cleaned = 9.80542e-05 Jy ! Component: 150 - total flux cleaned = 9.81271e-05 Jy ! Component: 200 - total flux cleaned = 0.000126602 Jy ! Total flux subtracted in 200 components = 0.000126602 Jy ! Clean residual min=-0.002913 max=0.002537 Jy/beam ! Clean residual mean=-0.000024 rms=0.000618 Jy/beam ! Combined flux in latest and established models = 0.679297 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.679297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136827Jy sigma=0.001190 ! Fit after self-cal, rms=0.136825Jy sigma=0.001190 ! Inverting map 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=0.136825Jy sigma=0.001190 ! Fit after self-cal, rms=0.136779Jy sigma=0.001190 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.576 mas, bmaj=3.264 mas, bpa=-10.53 degrees ! Estimated noise=635.548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000246561 Jy ! Component: 100 - total flux cleaned = 0.000247268 Jy ! Component: 150 - total flux cleaned = 0.000247928 Jy ! Component: 200 - total flux cleaned = 0.000253889 Jy ! Total flux subtracted in 200 components = 0.000253889 Jy ! Clean residual min=-0.002477 max=0.002306 Jy/beam ! Clean residual mean=-0.000043 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.679551 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 50 components and 0.679551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136775Jy sigma=0.001190 ! Fit after self-cal, rms=0.136770Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.46573e-06 Jy ! Component: 100 - total flux cleaned = -9.6242e-06 Jy ! Component: 150 - total flux cleaned = -1.84293e-05 Jy ! Component: 200 - total flux cleaned = -1.82933e-05 Jy ! Total flux subtracted in 200 components = -1.82933e-05 Jy ! Clean residual min=-0.002450 max=0.002306 Jy/beam ! Clean residual mean=-0.000043 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.679533 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 52 components and 0.679533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136768Jy sigma=0.001190 ! Fit after self-cal, rms=0.136764Jy sigma=0.001190 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=2.033 mas, bpa=11.96 degrees ! Estimated noise=538.589 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.016 x 2.033 at 11.96 degrees (North through East) ! Clean map min=-0.0025907 max=0.49542 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7953 mas, bmaj=1.662 mas, bpa=10.77 degrees ! Estimated noise=980.939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.370057 Jy ! Component: 100 - total flux cleaned = 0.507185 Jy ! Component: 150 - total flux cleaned = 0.580729 Jy ! Component: 200 - total flux cleaned = 0.621616 Jy ! Total flux subtracted in 200 components = 0.621616 Jy ! Clean residual min=-0.006763 max=0.020228 Jy/beam ! Clean residual mean=-0.000035 rms=0.002108 Jy/beam ! Combined flux in latest and established models = 0.621616 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 0.621616 Jy ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=2.033 mas, bpa=11.96 degrees ! Estimated noise=538.589 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 = 0.0299606 Jy ! Component: 100 - total flux cleaned = 0.0438581 Jy ! Component: 150 - total flux cleaned = 0.0507283 Jy ! Component: 200 - total flux cleaned = 0.0542183 Jy ! Total flux subtracted in 200 components = 0.0542183 Jy ! Clean residual min=-0.002818 max=0.003112 Jy/beam ! Clean residual mean=-0.000029 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.675834 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 38 components and 0.675834 Jy ! Inverting map ! Added new window around map position (1, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179789 Jy ! Component: 100 - total flux cleaned = 0.00187002 Jy ! Component: 150 - total flux cleaned = 0.00186898 Jy ! Component: 200 - total flux cleaned = 0.00182289 Jy ! Total flux subtracted in 200 components = 0.00182289 Jy ! Clean residual min=-0.002887 max=0.002421 Jy/beam ! Clean residual mean=-0.000027 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.677657 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 0.677657 Jy ! Inverting map 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 ! Estimated beam: bmin=2.576 mas, bmaj=3.264 mas, bpa=-10.53 degrees ! Estimated noise=635.548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000666039 Jy ! Component: 100 - total flux cleaned = 0.000688598 Jy ! Component: 150 - total flux cleaned = 0.000705695 Jy ! Component: 200 - total flux cleaned = 0.000704326 Jy ! Total flux subtracted in 200 components = 0.000704326 Jy ! Clean residual min=-0.002431 max=0.002339 Jy/beam ! Clean residual mean=-0.000047 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.678362 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 = 1.2715e-05 Jy ! Component: 100 - total flux cleaned = 1.28344e-05 Jy ! Component: 150 - total flux cleaned = 2.35706e-05 Jy ! Component: 200 - total flux cleaned = 4.42487e-05 Jy ! Total flux subtracted in 200 components = 4.42487e-05 Jy ! Clean residual min=-0.002450 max=0.002310 Jy/beam ! Clean residual mean=-0.000047 rms=0.000692 Jy/beam ! Combined flux in latest and established models = 0.678406 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.678406 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=2.033 mas, bpa=11.96 degrees ! Estimated noise=538.589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000378485 Jy ! Component: 100 - total flux cleaned = -0.000536556 Jy ! Component: 150 - total flux cleaned = -0.000639603 Jy ! Component: 200 - total flux cleaned = -0.000731556 Jy ! Total flux subtracted in 200 components = -0.000731556 Jy ! Clean residual min=-0.002866 max=0.002356 Jy/beam ! Clean residual mean=-0.000028 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.677674 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 79 components and 0.677674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136717Jy sigma=0.001189 ! Fit after self-cal, rms=0.136706Jy sigma=0.001189 wmodel J0607+6720_X_2008_04_02_pus_map.mod ! Writing 79 model components to file: J0607+6720_X_2008_04_02_pus_map.mod wobs J0607+6720_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0607+6720_X_2008_04_02_pus_uvs.fits wwins J0607+6720_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0607+6720_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 ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000753269 Jy ! Component: 100 - total flux cleaned = -0.000964212 Jy ! Component: 150 - total flux cleaned = -0.00127684 Jy ! Component: 200 - total flux cleaned = -0.00138784 Jy ! Component: 250 - total flux cleaned = -0.00120876 Jy ! Component: 300 - total flux cleaned = -0.00117445 Jy ! Component: 350 - total flux cleaned = -0.000937695 Jy ! Component: 400 - total flux cleaned = -0.000871751 Jy ! Component: 450 - total flux cleaned = -0.000644658 Jy ! Component: 500 - total flux cleaned = -0.00048592 Jy ! Component: 550 - total flux cleaned = -0.000299472 Jy ! Component: 600 - total flux cleaned = -0.000147061 Jy ! Component: 650 - total flux cleaned = -2.72767e-05 Jy ! Component: 700 - total flux cleaned = 0.000178943 Jy ! Component: 750 - total flux cleaned = 0.00029428 Jy ! Component: 800 - total flux cleaned = 0.000408178 Jy ! Component: 850 - total flux cleaned = 0.000464501 Jy ! Component: 900 - total flux cleaned = 0.000519787 Jy ! Component: 950 - total flux cleaned = 0.000574431 Jy ! Component: 1000 - total flux cleaned = 0.000601636 Jy ! Component: 1050 - total flux cleaned = 0.000681417 Jy ! Component: 1100 - total flux cleaned = 0.000681207 Jy ! Component: 1150 - total flux cleaned = 0.000655243 Jy ! Component: 1200 - total flux cleaned = 0.000629395 Jy ! Component: 1250 - total flux cleaned = 0.000706068 Jy ! Component: 1300 - total flux cleaned = 0.000680667 Jy ! Component: 1350 - total flux cleaned = 0.000655709 Jy ! Component: 1400 - total flux cleaned = 0.000581991 Jy ! Component: 1450 - total flux cleaned = 0.000582108 Jy ! Component: 1500 - total flux cleaned = 0.000509873 Jy ! Component: 1550 - total flux cleaned = 0.000438356 Jy ! Component: 1600 - total flux cleaned = 0.000391748 Jy ! Component: 1650 - total flux cleaned = 0.000415384 Jy ! Component: 1700 - total flux cleaned = 0.000392146 Jy ! Component: 1750 - total flux cleaned = 0.000391934 Jy ! Component: 1800 - total flux cleaned = 0.000210983 Jy ! Component: 1850 - total flux cleaned = 7.70087e-05 Jy ! Component: 1900 - total flux cleaned = 5.53972e-05 Jy ! Component: 1950 - total flux cleaned = 9.93919e-05 Jy ! Component: 2000 - total flux cleaned = 3.38618e-05 Jy ! Total flux subtracted in 2048 components = 5.54365e-05 Jy ! Clean residual min=-0.001224 max=0.001217 Jy/beam ! Clean residual mean=-0.000024 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.67773 Jy keep ! Adding 134 model components to the UV plane model. ! The established model now contains 213 components and 0.67773 Jy wmap "J0607+6720_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.016 x 2.033 at 11.96 degrees (North through East) ! Clean map min=-0.0023398 max=0.49534 Jy/beam ! Writing clean map to FITS file: J0607+6720_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 0.49534 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000406893 device "J0607+6720_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0607+6720_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.246433 0.246433 0.492866 0.985731 1.97146 3.94293 7.88585 15.7717 31.5434 63.0868 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.495 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.016 x 2.033 at 11.96 degrees (North through East) ! Clean map min=-0.0023398 max=0.49534 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0607+6720_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0607+6720_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0607+6720_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:46:15 2010