! Started logfile: J2002+4725_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:20 2010 obs J2002+4725_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2002+4725_S_2008_04_02_pus_uva.fits ! AN table 1: 152 integrations on 120 of 120 possible baselines. ! AN table 2: 167 integrations on 120 of 120 possible baselines. ! AN table 3: 121 integrations on 120 of 120 possible baselines. ! AN table 4: 73 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.154581 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2002+4725 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 984 lines of history. ! ! Reading 38064 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.734717Jy sigma=0.006593 ! Fit after self-cal, rms=0.436100Jy sigma=0.003880 ! 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=3.252 mas, bmaj=4.348 mas, bpa=-41.1 degrees ! Estimated noise=941.242 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 = 0.484012 Jy ! Component: 100 - total flux cleaned = 0.590252 Jy ! Total flux subtracted in 100 components = 0.590252 Jy ! Clean residual min=-0.020183 max=0.034041 Jy/beam ! Clean residual mean=0.000076 rms=0.006453 Jy/beam ! Combined flux in latest and established models = 0.590252 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.590252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227826Jy sigma=0.001698 ! Fit after self-cal, rms=0.227826Jy sigma=0.001698 ! 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=4.188 mas, bmaj=5.175 mas, bpa=-43.05 degrees ! Estimated noise=405.618 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 = 0.0375392 Jy ! Component: 100 - total flux cleaned = 0.053742 Jy ! Component: 150 - total flux cleaned = 0.0585536 Jy ! Component: 200 - total flux cleaned = 0.059386 Jy ! Total flux subtracted in 200 components = 0.059386 Jy ! Clean residual min=-0.015652 max=0.017834 Jy/beam ! Clean residual mean=0.000088 rms=0.004753 Jy/beam ! Combined flux in latest and established models = 0.649638 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.649638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220758Jy sigma=0.001638 ! Fit after self-cal, rms=0.220768Jy sigma=0.001637 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.07 HH 1.00* HN 1.00* ! KK 1.18 KP 0.98 LA 1.19 MK 0.84 ! NL 0.89 NY 1.00* ON 1.00* OV 0.92 ! PT 0.99 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.11 HH 1.00* HN 1.09 ! KK 1.00* KP 1.03 LA 1.21 MK 1.00* ! NL 0.94 NY 0.99 ON 1.00* OV 1.01 ! PT 1.03 SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.12 HH 1.00* HN 1.00* ! KK 1.10 KP 1.03 LA 1.25 MK 0.79 ! NL 0.95 NY 1.00* ON 1.00* OV 0.98 ! PT 1.05 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.13 HH 1.00* HN 1.00* ! KK 1.10 KP 0.99 LA 1.08 MK 0.90 ! NL 0.91 NY 1.00* ON 1.00* OV 0.92 ! PT 0.97 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.18 HH 1.00* HN 1.14 ! KK 1.00* KP 1.07 LA 1.13 MK 1.00* ! NL 0.96 NY 1.18 ON 1.00* OV 1.03 ! PT 1.02 SC 1.10 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.23 HH 1.00* HN 1.00* ! KK 1.03 KP 1.09 LA 1.15 MK 0.84 ! NL 0.96 NY 1.00* ON 1.00* OV 1.03 ! PT 1.05 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.13 HH 1.00* HN 1.00* ! KK 1.11 KP 0.99 LA 0.86 MK 0.89 ! NL 0.95 NY 1.00* ON 1.00* OV 0.96 ! PT 1.03 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.19 HH 1.00* HN 1.13 ! KK 1.00* KP 1.03 LA 0.89 MK 1.00* ! NL 1.01 NY 1.03 ON 1.00* OV 1.06 ! PT 1.06 SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.04 FD 1.21 HH 1.00* HN 1.00* ! KK 1.07 KP 1.06 LA 0.92 MK 0.87 ! NL 0.99 NY 1.00* ON 1.00* OV 1.01 ! PT 1.08 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.07 HH 1.00* HN 1.00* ! KK 1.10 KP 0.90 LA 0.72 MK 0.96 ! NL 0.87 NY 1.00* ON 1.00* OV 0.81 ! PT 0.88 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.16 HH 1.00* HN 1.04 ! KK 1.00* KP 0.97 LA 0.76 MK 1.00* ! NL 0.91 NY 1.15 ON 1.00* OV 0.87 ! PT 0.92 SC 1.02 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.19 HH 1.00* HN 1.00* ! KK 1.04 KP 0.95 LA 0.75 MK 0.91 ! NL 0.91 NY 1.00* ON 1.00* OV 0.85 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.220768Jy sigma=0.001637 ! Fit after self-cal, rms=0.163698Jy sigma=0.001293 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.251 mas, bmaj=5.15 mas, bpa=-42.69 degrees ! Estimated noise=405.972 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 (-13.5, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0043407 Jy ! Component: 100 - total flux cleaned = 0.00618004 Jy ! Component: 150 - total flux cleaned = 0.00626229 Jy ! Component: 200 - total flux cleaned = 0.0061936 Jy ! Total flux subtracted in 200 components = 0.0061936 Jy ! Clean residual min=-0.002222 max=0.003403 Jy/beam ! Clean residual mean=0.000010 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 0.655832 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 45 components and 0.655832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163534Jy sigma=0.001292 ! Fit after self-cal, rms=0.163654Jy sigma=0.001291 ! 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=0.163654Jy sigma=0.001291 ! Fit after self-cal, rms=0.163531Jy sigma=0.001291 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.244 mas, bmaj=5.147 mas, bpa=-42.48 degrees ! Estimated noise=406.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201868 Jy ! Component: 100 - total flux cleaned = 0.00216101 Jy ! Component: 150 - total flux cleaned = 0.00216188 Jy ! Component: 200 - total flux cleaned = 0.00216335 Jy ! Total flux subtracted in 200 components = 0.00216335 Jy ! Clean residual min=-0.002166 max=0.003160 Jy/beam ! Clean residual mean=0.000023 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.657995 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 52 components and 0.657995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163461Jy sigma=0.001290 ! Fit after self-cal, rms=0.163457Jy sigma=0.001290 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) ! Added new window around map position (19.5, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209629 Jy ! Component: 100 - total flux cleaned = 0.00252123 Jy ! Component: 150 - total flux cleaned = 0.00280112 Jy ! Component: 200 - total flux cleaned = 0.00280025 Jy ! Total flux subtracted in 200 components = 0.00280025 Jy ! Clean residual min=-0.002107 max=0.002360 Jy/beam ! Clean residual mean=-0.000010 rms=0.000619 Jy/beam ! Combined flux in latest and established models = 0.660795 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 67 components and 0.660796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163379Jy sigma=0.001290 ! Fit after self-cal, rms=0.163376Jy sigma=0.001290 ! 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=0.163376Jy sigma=0.001290 ! Fit after self-cal, rms=0.163227Jy sigma=0.001290 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.238 mas, bmaj=5.144 mas, bpa=-42.18 degrees ! Estimated noise=407.062 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176372 Jy ! Component: 100 - total flux cleaned = 0.00202662 Jy ! Component: 150 - total flux cleaned = 0.00202557 Jy ! Component: 200 - total flux cleaned = 0.00202791 Jy ! Total flux subtracted in 200 components = 0.00202791 Jy ! Clean residual min=-0.002050 max=0.002330 Jy/beam ! Clean residual mean=-0.000007 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.662823 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 75 components and 0.662824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163184Jy sigma=0.001289 ! Fit after self-cal, rms=0.163182Jy sigma=0.001289 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 = 3.66472e-05 Jy ! Component: 100 - total flux cleaned = 3.55142e-05 Jy ! Component: 150 - total flux cleaned = 3.57761e-05 Jy ! Component: 200 - total flux cleaned = 3.64543e-05 Jy ! Total flux subtracted in 200 components = 3.64543e-05 Jy ! Clean residual min=-0.002011 max=0.002295 Jy/beam ! Clean residual mean=-0.000007 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.66286 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 84 components and 0.66286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163160Jy sigma=0.001289 ! Fit after self-cal, rms=0.163161Jy sigma=0.001289 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163161Jy sigma=0.001289 ! Fit after self-cal, rms=0.163019Jy sigma=0.001289 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.256 mas, bmaj=11.12 mas, bpa=81.53 degrees ! Estimated noise=475.268 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123799 Jy ! Component: 100 - total flux cleaned = 0.00163863 Jy ! Component: 150 - total flux cleaned = 0.00186553 Jy ! Component: 200 - total flux cleaned = 0.0019762 Jy ! Total flux subtracted in 200 components = 0.0019762 Jy ! Clean residual min=-0.002335 max=0.002348 Jy/beam ! Clean residual mean=-0.000016 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.664836 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 104 components and 0.664836 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163013Jy sigma=0.001289 ! Fit after self-cal, rms=0.163008Jy sigma=0.001289 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00012686 Jy ! Component: 100 - total flux cleaned = 0.000166346 Jy ! Component: 150 - total flux cleaned = 0.00018528 Jy ! Component: 200 - total flux cleaned = 0.000221232 Jy ! Total flux subtracted in 200 components = 0.000221232 Jy ! Clean residual min=-0.002330 max=0.002345 Jy/beam ! Clean residual mean=-0.000020 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.665058 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 111 components and 0.665057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163006Jy sigma=0.001289 ! Fit after self-cal, rms=0.163006Jy sigma=0.001289 ! 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=4.232 mas, bmaj=5.141 mas, bpa=-41.9 degrees ! Estimated noise=407.602 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.232 x 5.141 at -41.9 degrees (North through East) ! Clean map min=-0.0019096 max=0.62046 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=0.163006Jy sigma=0.001289 ! Fit after self-cal, rms=0.155764Jy sigma=0.001177 ! Inverting map and beam ! Estimated beam: bmin=4.229 mas, bmaj=5.139 mas, bpa=-41.84 degrees ! Estimated noise=407.593 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000423089 Jy ! Component: 100 - total flux cleaned = 0.000376915 Jy ! Component: 150 - total flux cleaned = 0.000418104 Jy ! Component: 200 - total flux cleaned = 0.000417471 Jy ! Total flux subtracted in 200 components = 0.000417471 Jy ! Clean residual min=-0.001839 max=0.002061 Jy/beam ! Clean residual mean=-0.000006 rms=0.000545 Jy/beam ! Combined flux in latest and established models = 0.665475 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 120 components and 0.665475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155735Jy sigma=0.001177 ! Fit after self-cal, rms=0.155738Jy sigma=0.001177 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.88716e-06 Jy ! Component: 100 - total flux cleaned = -3.35187e-05 Jy ! Component: 150 - total flux cleaned = -6.49465e-05 Jy ! Component: 200 - total flux cleaned = -6.48387e-05 Jy ! Total flux subtracted in 200 components = -6.48387e-05 Jy ! Clean residual min=-0.001806 max=0.002057 Jy/beam ! Clean residual mean=-0.000005 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.66541 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 128 components and 0.66541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155720Jy sigma=0.001177 ! Fit after self-cal, rms=0.155721Jy sigma=0.001177 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155721Jy sigma=0.001177 ! Fit after self-cal, rms=0.155521Jy sigma=0.001177 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=3.297 mas, bmaj=4.318 mas, bpa=-38.86 degrees ! Estimated noise=964.481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.475758 Jy ! Component: 100 - total flux cleaned = 0.579752 Jy ! Component: 150 - total flux cleaned = 0.612989 Jy ! Component: 200 - total flux cleaned = 0.6312 Jy ! Total flux subtracted in 200 components = 0.6312 Jy ! Clean residual min=-0.005385 max=0.008920 Jy/beam ! Clean residual mean=0.000090 rms=0.001640 Jy/beam ! Combined flux in latest and established models = 0.6312 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.631201 Jy ! Inverting map and beam ! Estimated beam: bmin=4.225 mas, bmaj=5.138 mas, bpa=-41.56 degrees ! Estimated noise=407.828 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 = 0.0136654 Jy ! Component: 100 - total flux cleaned = 0.0198155 Jy ! Component: 150 - total flux cleaned = 0.0238221 Jy ! Component: 200 - total flux cleaned = 0.0267954 Jy ! Total flux subtracted in 200 components = 0.0267954 Jy ! Clean residual min=-0.002410 max=0.002609 Jy/beam ! Clean residual mean=0.000091 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.657996 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 39 components and 0.657996 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.258 mas, bmaj=11.11 mas, bpa=81.73 degrees ! Estimated noise=476.073 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299845 Jy ! Component: 100 - total flux cleaned = 0.00431532 Jy ! Component: 150 - total flux cleaned = 0.00524631 Jy ! Component: 200 - total flux cleaned = 0.00601525 Jy ! Total flux subtracted in 200 components = 0.00601525 Jy ! Clean residual min=-0.002069 max=0.002447 Jy/beam ! Clean residual mean=0.000039 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.664011 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 = 0.000637807 Jy ! Component: 100 - total flux cleaned = 0.00109793 Jy ! Component: 150 - total flux cleaned = 0.00142509 Jy ! Component: 200 - total flux cleaned = 0.00168265 Jy ! Total flux subtracted in 200 components = 0.00168265 Jy ! Clean residual min=-0.002084 max=0.002362 Jy/beam ! Clean residual mean=0.000002 rms=0.000647 Jy/beam ! Combined flux in latest and established models = 0.665694 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 79 components and 0.665694 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.225 mas, bmaj=5.138 mas, bpa=-41.56 degrees ! Estimated noise=407.828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.15217e-05 Jy ! Component: 100 - total flux cleaned = -3.00464e-05 Jy ! Component: 150 - total flux cleaned = -7.1562e-05 Jy ! Component: 200 - total flux cleaned = -0.000111109 Jy ! Total flux subtracted in 200 components = -0.000111109 Jy ! Clean residual min=-0.002103 max=0.002143 Jy/beam ! Clean residual mean=0.000001 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.665583 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 99 components and 0.665582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155529Jy sigma=0.001177 ! Fit after self-cal, rms=0.155532Jy sigma=0.001177 wmodel J2002+4725_S_2008_04_02_pus_map.mod ! Writing 99 model components to file: J2002+4725_S_2008_04_02_pus_map.mod wobs J2002+4725_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2002+4725_S_2008_04_02_pus_uvs.fits wwins J2002+4725_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J2002+4725_S_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154103 Jy ! Component: 100 - total flux cleaned = 0.000449337 Jy ! Component: 150 - total flux cleaned = 0.000635004 Jy ! Component: 200 - total flux cleaned = 0.000813156 Jy ! Component: 250 - total flux cleaned = 0.000871316 Jy ! Component: 300 - total flux cleaned = 0.000899226 Jy ! Component: 350 - total flux cleaned = 0.000954122 Jy ! Component: 400 - total flux cleaned = 0.000927263 Jy ! Component: 450 - total flux cleaned = 0.000901373 Jy ! Component: 500 - total flux cleaned = 0.000875438 Jy ! Component: 550 - total flux cleaned = 0.000799426 Jy ! Component: 600 - total flux cleaned = 0.00077464 Jy ! Component: 650 - total flux cleaned = 0.000774496 Jy ! Component: 700 - total flux cleaned = 0.000726304 Jy ! Component: 750 - total flux cleaned = 0.000655164 Jy ! Component: 800 - total flux cleaned = 0.000632148 Jy ! Component: 850 - total flux cleaned = 0.000632177 Jy ! Component: 900 - total flux cleaned = 0.000609092 Jy ! Component: 950 - total flux cleaned = 0.000541685 Jy ! Component: 1000 - total flux cleaned = 0.000497524 Jy ! Component: 1050 - total flux cleaned = 0.000519202 Jy ! Component: 1100 - total flux cleaned = 0.000497407 Jy ! Component: 1150 - total flux cleaned = 0.000454809 Jy ! Component: 1200 - total flux cleaned = 0.000454576 Jy ! Component: 1250 - total flux cleaned = 0.0004337 Jy ! Component: 1300 - total flux cleaned = 0.00045431 Jy ! Component: 1350 - total flux cleaned = 0.000393067 Jy ! Component: 1400 - total flux cleaned = 0.000453605 Jy ! Component: 1450 - total flux cleaned = 0.000413782 Jy ! Component: 1500 - total flux cleaned = 0.000413726 Jy ! Component: 1550 - total flux cleaned = 0.000433382 Jy ! Component: 1600 - total flux cleaned = 0.000433375 Jy ! Component: 1650 - total flux cleaned = 0.000414082 Jy ! Component: 1700 - total flux cleaned = 0.000471274 Jy ! Component: 1750 - total flux cleaned = 0.000433488 Jy ! Component: 1800 - total flux cleaned = 0.000414587 Jy ! Component: 1850 - total flux cleaned = 0.000414781 Jy ! Component: 1900 - total flux cleaned = 0.000359381 Jy ! Component: 1950 - total flux cleaned = 0.000359195 Jy ! Component: 2000 - total flux cleaned = 0.000341042 Jy ! Total flux subtracted in 2048 components = 0.000322796 Jy ! Clean residual min=-0.000954 max=0.001125 Jy/beam ! Clean residual mean=0.000007 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.665905 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 240 components and 0.665905 Jy wmap "J2002+4725_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.225 x 5.138 at -41.56 degrees (North through East) ! Clean map min=-0.0017118 max=0.62081 Jy/beam ! Writing clean map to FITS file: J2002+4725_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.62081 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00036179 device "J2002+4725_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2002+4725_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.174831 0.174831 0.349663 0.699326 1.39865 2.7973 5.5946 11.1892 22.3784 44.7568 89.5137 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.62 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.225 x 5.138 at -41.56 degrees (North through East) ! Clean map min=-0.0017118 max=0.62081 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2002+4725_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2002+4725_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2002+4725_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:28 2010