! Started logfile: J0927+3902_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:47:32 2010 obs J0927+3902_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0927+3902_X_2008_04_02_pus_uva.fits ! AN table 1: 81 integrations on 120 of 120 possible baselines. ! AN table 2: 112 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.190415 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0927+3902 ! ! 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 17640 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 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=7.022141Jy sigma=0.065036 ! Fit after self-cal, rms=6.928540Jy sigma=0.064252 ! 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=0.734 mas, bmaj=0.9138 mas, bpa=-8.115 degrees ! Estimated noise=1181.07 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 = 5.20015 Jy ! Component: 100 - total flux cleaned = 7.07537 Jy ! Total flux subtracted in 100 components = 7.07537 Jy ! Clean residual min=-0.183379 max=0.896451 Jy/beam ! Clean residual mean=-0.001087 rms=0.062268 Jy/beam ! Combined flux in latest and established models = 7.07537 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 7.07537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.076970Jy sigma=0.019357 ! Fit after self-cal, rms=2.074282Jy sigma=0.019350 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.05722 Jy ! Component: 100 - total flux cleaned = 1.71761 Jy ! Total flux subtracted in 100 components = 1.71761 Jy ! Clean residual min=-0.118600 max=0.350661 Jy/beam ! Clean residual mean=-0.001352 rms=0.032289 Jy/beam ! Combined flux in latest and established models = 8.79298 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 8.79298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.097888Jy sigma=0.009572 ! Fit after self-cal, rms=1.093980Jy sigma=0.009560 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.429317 Jy ! Component: 100 - total flux cleaned = 0.708698 Jy ! Total flux subtracted in 100 components = 0.708698 Jy ! Clean residual min=-0.102535 max=0.252330 Jy/beam ! Clean residual mean=-0.001469 rms=0.023818 Jy/beam ! Combined flux in latest and established models = 9.50168 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 33 components and 9.50168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.846413Jy sigma=0.006695 ! Fit after self-cal, rms=0.842985Jy sigma=0.006679 ! Inverting map ! Added new window around map position (-2, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.245419 Jy ! Component: 100 - total flux cleaned = 0.346467 Jy ! Total flux subtracted in 100 components = 0.346467 Jy ! Clean residual min=-0.098881 max=0.137562 Jy/beam ! Clean residual mean=-0.001619 rms=0.020505 Jy/beam ! Combined flux in latest and established models = 9.84815 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 37 components and 9.84815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.766283Jy sigma=0.005854 ! Fit after self-cal, rms=0.758422Jy sigma=0.005794 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0985737 Jy ! Component: 100 - total flux cleaned = 0.158302 Jy ! Total flux subtracted in 100 components = 0.158302 Jy ! Clean residual min=-0.089647 max=0.102246 Jy/beam ! Clean residual mean=-0.001691 rms=0.018718 Jy/beam ! Combined flux in latest and established models = 10.0064 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 40 components and 10.0064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.730030Jy sigma=0.005537 ! Fit after self-cal, rms=0.726457Jy sigma=0.005516 ! 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=0.9799 mas, bmaj=1.238 mas, bpa=-11.01 degrees ! Estimated noise=648.58 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 = 0.0828955 Jy ! Component: 100 - total flux cleaned = 0.100718 Jy ! Component: 150 - total flux cleaned = 0.105669 Jy ! Component: 200 - total flux cleaned = 0.110193 Jy ! Total flux subtracted in 200 components = 0.110193 Jy ! Clean residual min=-0.118052 max=0.100716 Jy/beam ! Clean residual mean=-0.013013 rms=0.026717 Jy/beam ! Combined flux in latest and established models = 10.1166 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 46 components and 10.1166 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.714875Jy sigma=0.005393 ! Fit after self-cal, rms=0.713261Jy sigma=0.005384 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HH 1.00* HN 1.02 ! KK 0.98 KP 1.00 LA 0.98 MK 1.00 ! NL 0.98 NY 1.11 ON 1.00* OV 1.00 ! PT 0.97 SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.05 HH 1.00* HN 1.05 ! KK 0.97 KP 1.02 LA 1.01 MK 0.96 ! NL 0.99 NY 1.04 ON 1.12 OV 1.00 ! PT 1.05 SC 0.95 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 15 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 1.02 ! KK 0.98 KP 0.95 LA 0.96 MK 1.00 ! NL 0.96 NY 1.11 ON 1.00* OV 0.98 ! PT 0.96 SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.04 HH 1.00* HN 1.06 ! KK 0.97 KP 0.97 LA 1.00 MK 0.95 ! NL 0.97 NY 1.05 ON 1.14 OV 0.98 ! PT 1.04 SC 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HH 1.00* HN 1.03 ! KK 1.04 KP 0.98 LA 1.00 MK 1.02 ! NL 0.99 NY 1.11 ON 1.00* OV 1.02 ! PT 0.96 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.06 HH 1.00* HN 1.06 ! KK 1.04 KP 1.01 LA 1.04 MK 0.98 ! NL 1.00 NY 1.02 ON 1.16 OV 1.02 ! PT 1.05 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HH 1.00* HN 1.04 ! KK 1.02 KP 0.98 LA 0.99 MK 1.05 ! NL 1.00 NY 1.17 ON 1.00* OV 1.01 ! PT 0.96 SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.05 HH 1.00* HN 1.07 ! KK 1.01 KP 1.00 LA 1.02 MK 1.00 ! NL 1.01 NY 1.07 ON 1.21 OV 1.01 ! PT 1.04 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.713261Jy sigma=0.005384 ! Fit after self-cal, rms=0.547369Jy sigma=0.003683 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9899 mas, bmaj=1.251 mas, bpa=-11.5 degrees ! Estimated noise=653.655 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 = 0.0267813 Jy ! Component: 100 - total flux cleaned = 0.0301305 Jy ! Component: 150 - total flux cleaned = 0.0310097 Jy ! Component: 200 - total flux cleaned = 0.0317117 Jy ! Total flux subtracted in 200 components = 0.0317117 Jy ! Clean residual min=-0.065822 max=0.048692 Jy/beam ! Clean residual mean=-0.003900 rms=0.016095 Jy/beam ! Combined flux in latest and established models = 10.1484 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 10.1484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.541851Jy sigma=0.003646 ! Fit after self-cal, rms=0.540968Jy sigma=0.003640 ! 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=0.540968Jy sigma=0.003640 ! Fit after self-cal, rms=0.447432Jy sigma=0.002946 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9883 mas, bmaj=1.252 mas, bpa=-11.1 degrees ! Estimated noise=653.343 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00071967 Jy ! Component: 100 - total flux cleaned = 0.00316366 Jy ! Component: 150 - total flux cleaned = 0.0038422 Jy ! Component: 200 - total flux cleaned = 0.00444414 Jy ! Total flux subtracted in 200 components = 0.00444414 Jy ! Clean residual min=-0.052922 max=0.039037 Jy/beam ! Clean residual mean=-0.001363 rms=0.013131 Jy/beam ! Combined flux in latest and established models = 10.1528 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 56 components and 10.1528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.443949Jy sigma=0.002919 ! Fit after self-cal, rms=0.443103Jy sigma=0.002915 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 = 0.00124112 Jy ! Component: 100 - total flux cleaned = 0.00304887 Jy ! Component: 150 - total flux cleaned = 0.00358342 Jy ! Component: 200 - total flux cleaned = 0.00411676 Jy ! Total flux subtracted in 200 components = 0.00411676 Jy ! Clean residual min=-0.052466 max=0.038684 Jy/beam ! Clean residual mean=-0.001409 rms=0.013077 Jy/beam ! Combined flux in latest and established models = 10.1569 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 10.1569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.441158Jy sigma=0.002903 ! Fit after self-cal, rms=0.440527Jy sigma=0.002902 ! 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=0.440527Jy sigma=0.002902 ! Fit after self-cal, rms=0.303947Jy sigma=0.001825 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.987 mas, bmaj=1.253 mas, bpa=-10.93 degrees ! Estimated noise=653.214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00820171 Jy ! Component: 100 - total flux cleaned = 0.0100729 Jy ! Component: 150 - total flux cleaned = 0.0111504 Jy ! Component: 200 - total flux cleaned = 0.0116496 Jy ! Total flux subtracted in 200 components = 0.0116496 Jy ! Clean residual min=-0.014369 max=0.021189 Jy/beam ! Clean residual mean=-0.000335 rms=0.002928 Jy/beam ! Combined flux in latest and established models = 10.1686 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 60 components and 10.1686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300811Jy sigma=0.001803 ! Fit after self-cal, rms=0.299760Jy sigma=0.001800 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 (-3, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00929051 Jy ! Component: 100 - total flux cleaned = 0.00934629 Jy ! Component: 150 - total flux cleaned = 0.00836958 Jy ! Component: 200 - total flux cleaned = 0.00836429 Jy ! Total flux subtracted in 200 components = 0.00836429 Jy ! Clean residual min=-0.015171 max=0.012411 Jy/beam ! Clean residual mean=-0.000426 rms=0.002764 Jy/beam ! Combined flux in latest and established models = 10.1769 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 10.1769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296539Jy sigma=0.001781 ! Fit after self-cal, rms=0.296112Jy sigma=0.001779 ! 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=0.296112Jy sigma=0.001779 ! Fit after self-cal, rms=0.294774Jy sigma=0.001773 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.66 mas, bmaj=2.852 mas, bpa=-59.58 degrees ! Estimated noise=797.403 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00514245 Jy ! Component: 100 - total flux cleaned = 0.00510165 Jy ! Component: 150 - total flux cleaned = 0.00550438 Jy ! Component: 200 - total flux cleaned = 0.00579258 Jy ! Total flux subtracted in 200 components = 0.00579258 Jy ! Clean residual min=-0.007055 max=0.009213 Jy/beam ! Clean residual mean=-0.000672 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 10.1827 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 71 components and 10.1827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293852Jy sigma=0.001767 ! Fit after self-cal, rms=0.292901Jy sigma=0.001764 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 = 8.87146e-06 Jy ! Component: 100 - total flux cleaned = 6.26651e-05 Jy ! Component: 150 - total flux cleaned = 0.000247749 Jy ! Component: 200 - total flux cleaned = 0.000742575 Jy ! Total flux subtracted in 200 components = 0.000742575 Jy ! Clean residual min=-0.006864 max=0.008710 Jy/beam ! Clean residual mean=-0.000691 rms=0.002213 Jy/beam ! Combined flux in latest and established models = 10.1835 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 75 components and 10.1835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292503Jy sigma=0.001759 ! Fit after self-cal, rms=0.291789Jy sigma=0.001757 ! 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=0.986 mas, bmaj=1.253 mas, bpa=-10.78 degrees ! Estimated noise=653.109 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.986 x 1.253 at -10.78 degrees (North through East) ! Clean map min=-0.0079483 max=7.3899 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=0.291789Jy sigma=0.001757 ! Fit after self-cal, rms=0.255353Jy sigma=0.001330 ! Inverting map and beam ! Estimated beam: bmin=0.986 mas, bmaj=1.254 mas, bpa=-10.76 degrees ! Estimated noise=653.331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0003529 Jy ! Component: 100 - total flux cleaned = 0.0017342 Jy ! Component: 150 - total flux cleaned = 0.00259901 Jy ! Component: 200 - total flux cleaned = 0.00341333 Jy ! Total flux subtracted in 200 components = 0.00341333 Jy ! Clean residual min=-0.013279 max=0.011953 Jy/beam ! Clean residual mean=-0.000013 rms=0.002338 Jy/beam ! Combined flux in latest and established models = 10.1869 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 76 components and 10.1869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252472Jy sigma=0.001315 ! Fit after self-cal, rms=0.251841Jy sigma=0.001314 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000562462 Jy ! Component: 100 - total flux cleaned = 0.000241701 Jy ! Component: 150 - total flux cleaned = 0.00024803 Jy ! Component: 200 - total flux cleaned = 0.000259151 Jy ! Total flux subtracted in 200 components = 0.000259151 Jy ! Clean residual min=-0.013799 max=0.011484 Jy/beam ! Clean residual mean=-0.000016 rms=0.002281 Jy/beam ! Combined flux in latest and established models = 10.1871 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 10.1871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249659Jy sigma=0.001304 ! Fit after self-cal, rms=0.249225Jy sigma=0.001303 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249225Jy sigma=0.001303 ! Fit after self-cal, rms=0.248282Jy sigma=0.001300 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=0.7396 mas, bmaj=0.933 mas, bpa=-7.831 degrees ! Estimated noise=1195.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.25453 Jy ! Component: 100 - total flux cleaned = 7.09535 Jy ! Component: 150 - total flux cleaned = 8.10014 Jy ! Component: 200 - total flux cleaned = 8.71629 Jy ! Total flux subtracted in 200 components = 8.71629 Jy ! Clean residual min=-0.089241 max=0.325511 Jy/beam ! Clean residual mean=0.000230 rms=0.026320 Jy/beam ! Combined flux in latest and established models = 8.71629 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 28 model components to the UV plane model. ! The established model now contains 28 components and 8.71629 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9849 mas, bmaj=1.255 mas, bpa=-10.66 degrees ! Estimated noise=653.133 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 = 0.655036 Jy ! Component: 100 - total flux cleaned = 1.0077 Jy ! Component: 150 - total flux cleaned = 1.20739 Jy ! Component: 200 - total flux cleaned = 1.3261 Jy ! Total flux subtracted in 200 components = 1.3261 Jy ! Clean residual min=-0.041620 max=0.079292 Jy/beam ! Clean residual mean=0.001453 rms=0.007568 Jy/beam ! Combined flux in latest and established models = 10.0424 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 54 components and 10.0424 Jy ! Inverting map ! Added new window around map position (-1, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0456806 Jy ! Component: 100 - total flux cleaned = 0.0638276 Jy ! Component: 150 - total flux cleaned = 0.0774621 Jy ! Component: 200 - total flux cleaned = 0.0895113 Jy ! Total flux subtracted in 200 components = 0.0895113 Jy ! Clean residual min=-0.031607 max=0.031143 Jy/beam ! Clean residual mean=0.000572 rms=0.004330 Jy/beam ! Combined flux in latest and established models = 10.1319 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 10.1319 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=2.66 mas, bmaj=2.851 mas, bpa=-59 degrees ! Estimated noise=797.583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0385171 Jy ! Component: 100 - total flux cleaned = 0.0529536 Jy ! Component: 150 - total flux cleaned = 0.057409 Jy ! Component: 200 - total flux cleaned = 0.0575595 Jy ! Total flux subtracted in 200 components = 0.0575595 Jy ! Clean residual min=-0.006120 max=0.008050 Jy/beam ! Clean residual mean=-0.000003 rms=0.001779 Jy/beam ! Combined flux in latest and established models = 10.1895 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) ! Added new window around map position (3.4, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269159 Jy ! Component: 100 - total flux cleaned = 0.0037862 Jy ! Component: 150 - total flux cleaned = 0.00428243 Jy ! Component: 200 - total flux cleaned = 0.00473376 Jy ! Total flux subtracted in 200 components = 0.00473376 Jy ! Clean residual min=-0.005550 max=0.005330 Jy/beam ! Clean residual mean=-0.000125 rms=0.001519 Jy/beam ! Combined flux in latest and established models = 10.1942 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 96 components and 10.1942 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9849 mas, bmaj=1.255 mas, bpa=-10.66 degrees ! Estimated noise=653.133 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.016524 Jy ! Component: 100 - total flux cleaned = -0.0108307 Jy ! Component: 150 - total flux cleaned = -0.00579857 Jy ! Component: 200 - total flux cleaned = -0.00237365 Jy ! Total flux subtracted in 200 components = -0.00237365 Jy ! Clean residual min=-0.018171 max=0.017963 Jy/beam ! Clean residual mean=-0.000039 rms=0.002977 Jy/beam ! Combined flux in latest and established models = 10.1918 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 97 components and 10.1918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287040Jy sigma=0.001449 ! Fit after self-cal, rms=0.283933Jy sigma=0.001436 wmodel J0927+3902_X_2008_04_02_pus_map.mod ! Writing 97 model components to file: J0927+3902_X_2008_04_02_pus_map.mod wobs J0927+3902_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0927+3902_X_2008_04_02_pus_uvs.fits wwins J0927+3902_X_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J0927+3902_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 = 0.0040997 Jy ! Component: 100 - total flux cleaned = 0.00373018 Jy ! Component: 150 - total flux cleaned = 0.00235848 Jy ! Component: 200 - total flux cleaned = 0.00137533 Jy ! Component: 250 - total flux cleaned = 0.000745006 Jy ! Component: 300 - total flux cleaned = 0.000442779 Jy ! Component: 350 - total flux cleaned = 0.000440788 Jy ! Component: 400 - total flux cleaned = 0.000443376 Jy ! Component: 450 - total flux cleaned = 0.000450021 Jy ! Component: 500 - total flux cleaned = 0.000451694 Jy ! Component: 550 - total flux cleaned = 0.000452282 Jy ! Component: 600 - total flux cleaned = 0.000452086 Jy ! Component: 650 - total flux cleaned = 0.000451535 Jy ! Component: 700 - total flux cleaned = 0.000716218 Jy ! Component: 750 - total flux cleaned = 0.000718295 Jy ! Component: 800 - total flux cleaned = 0.000719088 Jy ! Component: 850 - total flux cleaned = 0.000973649 Jy ! Component: 900 - total flux cleaned = 0.000974248 Jy ! Component: 950 - total flux cleaned = 0.00122141 Jy ! Component: 1000 - total flux cleaned = 0.00121983 Jy ! Component: 1050 - total flux cleaned = 0.00146216 Jy ! Component: 1100 - total flux cleaned = 0.00146255 Jy ! Component: 1150 - total flux cleaned = 0.00170042 Jy ! Component: 1200 - total flux cleaned = 0.00170416 Jy ! Component: 1250 - total flux cleaned = 0.00216145 Jy ! Component: 1300 - total flux cleaned = 0.00238595 Jy ! Component: 1350 - total flux cleaned = 0.00283176 Jy ! Component: 1400 - total flux cleaned = 0.00305379 Jy ! Component: 1450 - total flux cleaned = 0.00327095 Jy ! Component: 1500 - total flux cleaned = 0.00370372 Jy ! Component: 1550 - total flux cleaned = 0.00391772 Jy ! Component: 1600 - total flux cleaned = 0.0043408 Jy ! Component: 1650 - total flux cleaned = 0.00454974 Jy ! Component: 1700 - total flux cleaned = 0.0045487 Jy ! Component: 1750 - total flux cleaned = 0.00475519 Jy ! Component: 1800 - total flux cleaned = 0.00516134 Jy ! Component: 1850 - total flux cleaned = 0.00496181 Jy ! Component: 1900 - total flux cleaned = 0.00516034 Jy ! Component: 1950 - total flux cleaned = 0.00496457 Jy ! Component: 2000 - total flux cleaned = 0.00496459 Jy ! Total flux subtracted in 2048 components = 0.00516069 Jy ! Clean residual min=-0.009637 max=0.009688 Jy/beam ! Clean residual mean=-0.000089 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 10.197 Jy keep ! Adding 35 model components to the UV plane model. ! The established model now contains 121 components and 10.197 Jy wmap "J0927+3902_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9849 x 1.255 at -10.66 degrees (North through East) ! Clean map min=-0.0082834 max=7.3919 Jy/beam ! Writing clean map to FITS file: J0927+3902_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 7.39189 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00238623 device "J0927+3902_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0927+3902_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.096845 0.096845 0.19369 0.38738 0.77476 1.54952 3.09904 6.19808 12.3962 24.7923 49.5846 99.1693 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0071 print "peak=",int(1000*peak_flux)/1000 ! peak= 7.391 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9849 x 1.255 at -10.66 degrees (North through East) ! Clean map min=-0.0082834 max=7.3919 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0927+3902_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0927+3902_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0927+3902_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:47:37 2010