! Started logfile: J0231+1322_S_2008_07_09_pus_uvs.log on Wed Oct 13 13:12:22 2010 obs J0231+1322_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0231+1322_S_2008_07_09_pus_uva.fits ! AN table 1: 69 integrations on 105 of 105 possible baselines. ! AN table 2: 59 integrations on 105 of 105 possible baselines. ! AN table 3: 49 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0737154 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0231+1322 ! ! 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 1054 lines of history. ! ! Reading 5480 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 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.083749Jy sigma=0.007086 ! Fit after self-cal, rms=0.393771Jy sigma=0.002596 ! 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=2.343 mas, bmaj=5.476 mas, bpa=-14.64 degrees ! Estimated noise=1894.32 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.908792 Jy ! Component: 100 - total flux cleaned = 1.12776 Jy ! Total flux subtracted in 100 components = 1.12776 Jy ! Clean residual min=-0.037311 max=0.090383 Jy/beam ! Clean residual mean=-0.000347 rms=0.012074 Jy/beam ! Combined flux in latest and established models = 1.12776 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.12776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345583Jy sigma=0.002041 ! Fit after self-cal, rms=0.345192Jy sigma=0.002040 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.102381 Jy ! Component: 100 - total flux cleaned = 0.161705 Jy ! Total flux subtracted in 100 components = 0.161705 Jy ! Clean residual min=-0.024840 max=0.034275 Jy/beam ! Clean residual mean=-0.000225 rms=0.007916 Jy/beam ! Combined flux in latest and established models = 1.28947 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 1.28947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309574Jy sigma=0.001589 ! Fit after self-cal, rms=0.308654Jy sigma=0.001585 ! 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=2.54 mas, bmaj=5.6 mas, bpa=-14.23 degrees ! Estimated noise=1403.71 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 = 0.0514806 Jy ! Component: 100 - total flux cleaned = 0.0784761 Jy ! Component: 150 - total flux cleaned = 0.0934409 Jy ! Component: 200 - total flux cleaned = 0.0965843 Jy ! Total flux subtracted in 200 components = 0.0965843 Jy ! Clean residual min=-0.025426 max=0.031043 Jy/beam ! Clean residual mean=-0.000215 rms=0.007640 Jy/beam ! Combined flux in latest and established models = 1.38605 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 1.38605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301210Jy sigma=0.001489 ! Fit after self-cal, rms=0.300798Jy sigma=0.001487 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HH 1.00* HN 0.99 ! KK 1.00 KP 1.02 LA 1.01 MK 0.94 ! NL 1.05 NY 1.07 ON 1.00* PT 1.02 ! SC 0.94 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 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.07 ON 1.16 PT 1.00* ! SC 1.00* WZ 0.98 ZC 0.98 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.95 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 1.09 PT 1.00* ! SC 1.01 WZ 0.96 ZC 1.07 ! ! ! Correcting IF 2. ! A total of 21 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 1.01 ! KK 0.92 KP 1.05 LA 1.01 MK 0.95 ! NL 0.99 NY 1.06 ON 1.00* PT 1.03 ! SC 0.94 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 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 1.04 PT 1.00* ! SC 1.00* WZ 0.98 ZC 1.02 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.92 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.99 ON 1.14 PT 1.00* ! SC 1.09 WZ 1.02 ZC 1.04 ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HH 1.00* HN 1.01 ! KK 1.01 KP 1.05 LA 1.01 MK 0.94 ! NL 1.06 NY 1.03 ON 1.00* PT 1.06 ! SC 1.42 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 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.09 ON 0.98 PT 1.00* ! SC 1.00* WZ 0.97 ZC 1.09 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 1.01 PT 1.00* ! SC 1.09 WZ 1.03 ZC 1.04 ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HH 1.00* HN 1.03 ! KK 1.00 KP 1.00 LA 1.01 MK 0.95 ! NL 1.01 NY 1.00 ON 1.00* PT 1.00 ! SC 1.55 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 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 0.96 PT 1.00* ! SC 1.00* WZ 1.04 ZC 0.77 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.95 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.91 ON 1.07 PT 1.00* ! SC 1.10 WZ 0.99 ZC 0.79 ! ! ! Fit before self-cal, rms=0.300798Jy sigma=0.001487 ! Fit after self-cal, rms=0.284091Jy sigma=0.001272 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.561 mas, bmaj=5.773 mas, bpa=-13.85 degrees ! Estimated noise=1414.81 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (2.5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136055 Jy ! Component: 100 - total flux cleaned = 0.0153742 Jy ! Component: 150 - total flux cleaned = 0.017168 Jy ! Component: 200 - total flux cleaned = 0.0188974 Jy ! Total flux subtracted in 200 components = 0.0188974 Jy ! Clean residual min=-0.014749 max=0.016446 Jy/beam ! Clean residual mean=-0.000034 rms=0.004002 Jy/beam ! Combined flux in latest and established models = 1.40495 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 45 components and 1.40495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282524Jy sigma=0.001254 ! Fit after self-cal, rms=0.282880Jy sigma=0.001252 ! 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=0.282880Jy sigma=0.001252 ! Fit after self-cal, rms=0.282980Jy sigma=0.001230 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.555 mas, bmaj=5.794 mas, bpa=-13.91 degrees ! Estimated noise=1417.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00666654 Jy ! Component: 100 - total flux cleaned = 0.00750575 Jy ! Component: 150 - total flux cleaned = 0.00774093 Jy ! Component: 200 - total flux cleaned = 0.00812804 Jy ! Total flux subtracted in 200 components = 0.00812804 Jy ! Clean residual min=-0.011264 max=0.014664 Jy/beam ! Clean residual mean=-0.000014 rms=0.003236 Jy/beam ! Combined flux in latest and established models = 1.41308 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 54 components and 1.41308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282344Jy sigma=0.001224 ! Fit after self-cal, rms=0.282233Jy sigma=0.001224 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 (25, 3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0155008 Jy ! Component: 100 - total flux cleaned = 0.0259806 Jy ! Component: 150 - total flux cleaned = 0.0337152 Jy ! Component: 200 - total flux cleaned = 0.0397736 Jy ! Total flux subtracted in 200 components = 0.0397736 Jy ! Clean residual min=-0.009048 max=0.010225 Jy/beam ! Clean residual mean=-0.000022 rms=0.002422 Jy/beam ! Combined flux in latest and established models = 1.45285 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 77 components and 1.45285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281101Jy sigma=0.001209 ! Fit after self-cal, rms=0.281022Jy sigma=0.001208 ! Inverting map ! Added new window around map position (33, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00949113 Jy ! Component: 100 - total flux cleaned = 0.0153278 Jy ! Component: 150 - total flux cleaned = 0.0199103 Jy ! Component: 200 - total flux cleaned = 0.0220771 Jy ! Total flux subtracted in 200 components = 0.0220771 Jy ! Clean residual min=-0.008329 max=0.007894 Jy/beam ! Clean residual mean=-0.000008 rms=0.002202 Jy/beam ! Combined flux in latest and established models = 1.47493 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 95 components and 1.47493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280496Jy sigma=0.001204 ! Fit after self-cal, rms=0.280442Jy sigma=0.001203 ! 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=0.280442Jy sigma=0.001203 ! Fit after self-cal, rms=0.280012Jy sigma=0.001196 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.552 mas, bmaj=5.798 mas, bpa=-13.93 degrees ! Estimated noise=1416.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513524 Jy ! Component: 100 - total flux cleaned = 0.00727063 Jy ! Component: 150 - total flux cleaned = 0.00821051 Jy ! Component: 200 - total flux cleaned = 0.00893424 Jy ! Total flux subtracted in 200 components = 0.00893424 Jy ! Clean residual min=-0.007943 max=0.007783 Jy/beam ! Clean residual mean=0.000007 rms=0.001953 Jy/beam ! Combined flux in latest and established models = 1.48386 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 104 components and 1.48386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279767Jy sigma=0.001194 ! Fit after self-cal, rms=0.279665Jy sigma=0.001194 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 = 0.00137928 Jy ! Component: 100 - total flux cleaned = 0.00218214 Jy ! Component: 150 - total flux cleaned = 0.00255654 Jy ! Component: 200 - total flux cleaned = 0.00279253 Jy ! Total flux subtracted in 200 components = 0.00279253 Jy ! Clean residual min=-0.007931 max=0.007531 Jy/beam ! Clean residual mean=0.000008 rms=0.001911 Jy/beam ! Combined flux in latest and established models = 1.48666 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 110 components and 1.48666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279529Jy sigma=0.001193 ! Fit after self-cal, rms=0.279508Jy sigma=0.001193 ! 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=0.279508Jy sigma=0.001193 ! Fit after self-cal, rms=0.279514Jy sigma=0.001193 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.336 mas, bmaj=9.149 mas, bpa=-9.739 degrees ! Estimated noise=1856.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00489864 Jy ! Component: 100 - total flux cleaned = 0.00707262 Jy ! Component: 150 - total flux cleaned = 0.00814283 Jy ! Component: 200 - total flux cleaned = 0.0088493 Jy ! Total flux subtracted in 200 components = 0.0088493 Jy ! Clean residual min=-0.009318 max=0.008077 Jy/beam ! Clean residual mean=0.000031 rms=0.002521 Jy/beam ! Combined flux in latest and established models = 1.49551 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 128 components and 1.49551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279465Jy sigma=0.001192 ! Fit after self-cal, rms=0.279447Jy sigma=0.001192 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 = 0.00182964 Jy ! Component: 100 - total flux cleaned = 0.00239249 Jy ! Component: 150 - total flux cleaned = 0.00270171 Jy ! Component: 200 - total flux cleaned = 0.0029802 Jy ! Total flux subtracted in 200 components = 0.0029802 Jy ! Clean residual min=-0.009161 max=0.008186 Jy/beam ! Clean residual mean=0.000031 rms=0.002510 Jy/beam ! Combined flux in latest and established models = 1.49849 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 136 components and 1.49849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279442Jy sigma=0.001192 ! Fit after self-cal, rms=0.279439Jy sigma=0.001192 ! 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=2.551 mas, bmaj=5.8 mas, bpa=-13.95 degrees ! Estimated noise=1416.94 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.551 x 5.8 at -13.95 degrees (North through East) ! Clean map min=-0.0073666 max=1.1854 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=0.279439Jy sigma=0.001192 ! Fit after self-cal, rms=0.305466Jy sigma=0.001024 ! Inverting map and beam ! Estimated beam: bmin=2.553 mas, bmaj=5.801 mas, bpa=-13.96 degrees ! Estimated noise=1418.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000113537 Jy ! Component: 100 - total flux cleaned = 0.000239316 Jy ! Component: 150 - total flux cleaned = 0.000125118 Jy ! Component: 200 - total flux cleaned = 0.000338015 Jy ! Total flux subtracted in 200 components = 0.000338015 Jy ! Clean residual min=-0.007100 max=0.006726 Jy/beam ! Clean residual mean=0.000009 rms=0.001755 Jy/beam ! Combined flux in latest and established models = 1.49882 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 154 components and 1.49882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305347Jy sigma=0.001023 ! Fit after self-cal, rms=0.305345Jy sigma=0.001023 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000324683 Jy ! Component: 100 - total flux cleaned = 0.00052176 Jy ! Component: 150 - total flux cleaned = 0.000614511 Jy ! Component: 200 - total flux cleaned = 0.000704622 Jy ! Total flux subtracted in 200 components = 0.000704622 Jy ! Clean residual min=-0.007011 max=0.006681 Jy/beam ! Clean residual mean=0.000009 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 1.49953 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 161 components and 1.49953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305263Jy sigma=0.001023 ! Fit after self-cal, rms=0.305257Jy sigma=0.001023 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305257Jy sigma=0.001023 ! Fit after self-cal, rms=0.306333Jy sigma=0.001022 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=2.337 mas, bmaj=5.626 mas, bpa=-14.97 degrees ! Estimated noise=1911.81 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.91125 Jy ! Component: 100 - total flux cleaned = 1.14027 Jy ! Component: 150 - total flux cleaned = 1.24697 Jy ! Component: 200 - total flux cleaned = 1.30323 Jy ! Total flux subtracted in 200 components = 1.30323 Jy ! Clean residual min=-0.015512 max=0.027717 Jy/beam ! Clean residual mean=-0.000099 rms=0.004531 Jy/beam ! Combined flux in latest and established models = 1.30323 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 10 model components to the UV plane model. ! The established model now contains 10 components and 1.30323 Jy ! Inverting map and beam ! Estimated beam: bmin=2.553 mas, bmaj=5.802 mas, bpa=-13.98 degrees ! Estimated noise=1418.78 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 = 0.0448062 Jy ! Component: 100 - total flux cleaned = 0.0712468 Jy ! Component: 150 - total flux cleaned = 0.0904785 Jy ! Component: 200 - total flux cleaned = 0.106215 Jy ! Total flux subtracted in 200 components = 0.106215 Jy ! Clean residual min=-0.010421 max=0.013979 Jy/beam ! Clean residual mean=-0.000029 rms=0.003202 Jy/beam ! Combined flux in latest and established models = 1.40945 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 1.40945 Jy ! Inverting map ! Added new window around map position (8, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147792 Jy ! Component: 100 - total flux cleaned = 0.0264051 Jy ! Component: 150 - total flux cleaned = 0.0363957 Jy ! Component: 200 - total flux cleaned = 0.0450697 Jy ! Total flux subtracted in 200 components = 0.0450697 Jy ! Clean residual min=-0.009019 max=0.008014 Jy/beam ! Clean residual mean=-0.000014 rms=0.002305 Jy/beam ! Combined flux in latest and established models = 1.45452 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 63 components and 1.45452 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=7.335 mas, bmaj=9.158 mas, bpa=-9.895 degrees ! Estimated noise=1857.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128809 Jy ! Component: 100 - total flux cleaned = 0.0217326 Jy ! Component: 150 - total flux cleaned = 0.0283033 Jy ! Component: 200 - total flux cleaned = 0.033553 Jy ! Total flux subtracted in 200 components = 0.033553 Jy ! Clean residual min=-0.010241 max=0.007747 Jy/beam ! Clean residual mean=-0.000011 rms=0.002592 Jy/beam ! Combined flux in latest and established models = 1.48807 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 = 0.00423223 Jy ! Component: 100 - total flux cleaned = 0.00741229 Jy ! Component: 150 - total flux cleaned = 0.00915581 Jy ! Component: 200 - total flux cleaned = 0.0105705 Jy ! Total flux subtracted in 200 components = 0.0105705 Jy ! Clean residual min=-0.009523 max=0.006831 Jy/beam ! Clean residual mean=0.000003 rms=0.002370 Jy/beam ! Combined flux in latest and established models = 1.49864 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 123 components and 1.49864 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.553 mas, bmaj=5.802 mas, bpa=-13.98 degrees ! Estimated noise=1418.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000958602 Jy ! Component: 100 - total flux cleaned = -0.000555069 Jy ! Component: 150 - total flux cleaned = -5.0598e-06 Jy ! Component: 200 - total flux cleaned = 0.000170731 Jy ! Total flux subtracted in 200 components = 0.000170731 Jy ! Clean residual min=-0.007823 max=0.006585 Jy/beam ! Clean residual mean=-0.000000 rms=0.001837 Jy/beam ! Combined flux in latest and established models = 1.49881 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 138 components and 1.49881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306598Jy sigma=0.001027 ! Fit after self-cal, rms=0.306424Jy sigma=0.001026 wmodel J0231+1322_S_2008_07_09_pus_map.mod ! Writing 138 model components to file: J0231+1322_S_2008_07_09_pus_map.mod wobs J0231+1322_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0231+1322_S_2008_07_09_pus_uvs.fits wwins J0231+1322_S_2008_07_09_pus_map.win ! wwins: Wrote 5 windows to J0231+1322_S_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00259848 Jy ! Component: 100 - total flux cleaned = -0.00247469 Jy ! Component: 150 - total flux cleaned = -0.00247205 Jy ! Component: 200 - total flux cleaned = -0.00257962 Jy ! Component: 250 - total flux cleaned = -0.00289596 Jy ! Component: 300 - total flux cleaned = -0.00289731 Jy ! Component: 350 - total flux cleaned = -0.00299934 Jy ! Component: 400 - total flux cleaned = -0.00281153 Jy ! Component: 450 - total flux cleaned = -0.00253546 Jy ! Component: 500 - total flux cleaned = -0.00271948 Jy ! Component: 550 - total flux cleaned = -0.00254015 Jy ! Component: 600 - total flux cleaned = -0.00236442 Jy ! Component: 650 - total flux cleaned = -0.00219232 Jy ! Component: 700 - total flux cleaned = -0.00185291 Jy ! Component: 750 - total flux cleaned = -0.00143755 Jy ! Component: 800 - total flux cleaned = -0.00111135 Jy ! Component: 850 - total flux cleaned = -0.000951966 Jy ! Component: 900 - total flux cleaned = -0.000398492 Jy ! Component: 950 - total flux cleaned = -0.000243342 Jy ! Component: 1000 - total flux cleaned = -0.000165557 Jy ! Component: 1050 - total flux cleaned = 0.000369634 Jy ! Component: 1100 - total flux cleaned = 0.000368451 Jy ! Component: 1150 - total flux cleaned = 0.000743425 Jy ! Component: 1200 - total flux cleaned = 0.00111312 Jy ! Component: 1250 - total flux cleaned = 0.00118651 Jy ! Component: 1300 - total flux cleaned = 0.00140358 Jy ! Component: 1350 - total flux cleaned = 0.00154723 Jy ! Component: 1400 - total flux cleaned = 0.00197119 Jy ! Component: 1450 - total flux cleaned = 0.00218187 Jy ! Component: 1500 - total flux cleaned = 0.00232112 Jy ! Component: 1550 - total flux cleaned = 0.00259615 Jy ! Component: 1600 - total flux cleaned = 0.00293647 Jy ! Component: 1650 - total flux cleaned = 0.00313925 Jy ! Component: 1700 - total flux cleaned = 0.00347375 Jy ! Component: 1750 - total flux cleaned = 0.00360677 Jy ! Component: 1800 - total flux cleaned = 0.00413329 Jy ! Component: 1850 - total flux cleaned = 0.00432858 Jy ! Component: 1900 - total flux cleaned = 0.00465165 Jy ! Component: 1950 - total flux cleaned = 0.00490664 Jy ! Component: 2000 - total flux cleaned = 0.00522372 Jy ! Total flux subtracted in 2048 components = 0.00528655 Jy ! Clean residual min=-0.003555 max=0.003818 Jy/beam ! Clean residual mean=0.000001 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 1.5041 Jy keep ! Adding 134 model components to the UV plane model. ! The established model now contains 272 components and 1.5041 Jy wmap "J0231+1322_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.553 x 5.802 at -13.98 degrees (North through East) ! Clean map min=-0.0062564 max=1.1894 Jy/beam ! Writing clean map to FITS file: J0231+1322_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.18945 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00121954 device "J0231+1322_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0231+1322_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.307591 0.307591 0.615182 1.23036 2.46073 4.92145 9.84291 19.6858 39.3716 78.7433 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.189 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.553 x 5.802 at -13.98 degrees (North through East) ! Clean map min=-0.0062564 max=1.1894 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0231+1322_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0231+1322_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0231+1322_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 13:12:25 2010