! Started logfile: J0854+2006_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:38:36 2010 obs J0854+2006_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0854+2006_S_2008_04_02_pus_uva.fits ! AN table 1: 71 integrations on 120 of 120 possible baselines. ! AN table 2: 125 integrations on 120 of 120 possible baselines. ! AN table 3: 41 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.101125 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0854+2006 ! ! 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 11504 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 1071 telescope corrections were flagged in sub-array 1. ! A total of 1351 telescope corrections were flagged in sub-array 2. ! A total of 398 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1071 telescope corrections were flagged in sub-array 1. ! A total of 1351 telescope corrections were flagged in sub-array 2. ! A total of 398 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1071 telescope corrections were flagged in sub-array 1. ! A total of 1351 telescope corrections were flagged in sub-array 2. ! A total of 398 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1071 telescope corrections were flagged in sub-array 1. ! A total of 1351 telescope corrections were flagged in sub-array 2. ! A total of 398 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.721443Jy sigma=0.006277 ! Fit after self-cal, rms=0.351322Jy sigma=0.002507 ! 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=2.048 mas, bmaj=3.061 mas, bpa=7.367 degrees ! Estimated noise=1606.24 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 = 0.662471 Jy ! Component: 100 - total flux cleaned = 0.863273 Jy ! Total flux subtracted in 100 components = 0.863273 Jy ! Clean residual min=-0.034222 max=0.088164 Jy/beam ! Clean residual mean=0.000512 rms=0.010104 Jy/beam ! Combined flux in latest and established models = 0.863273 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.863273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.347910Jy sigma=0.002634 ! Fit after self-cal, rms=0.347628Jy sigma=0.002634 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0941879 Jy ! Component: 100 - total flux cleaned = 0.143654 Jy ! Total flux subtracted in 100 components = 0.143654 Jy ! Clean residual min=-0.028162 max=0.060585 Jy/beam ! Clean residual mean=0.000252 rms=0.007690 Jy/beam ! Combined flux in latest and established models = 1.00693 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 1.00693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303901Jy sigma=0.002130 ! Fit after self-cal, rms=0.303382Jy sigma=0.002129 ! Inverting map ! Added new window around map position (-4.5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537723 Jy ! Component: 100 - total flux cleaned = 0.0827341 Jy ! Total flux subtracted in 100 components = 0.0827342 Jy ! Clean residual min=-0.026878 max=0.033236 Jy/beam ! Clean residual mean=0.000110 rms=0.006611 Jy/beam ! Combined flux in latest and established models = 1.08966 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 27 components and 1.08966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291565Jy sigma=0.001983 ! Fit after self-cal, rms=0.289992Jy sigma=0.001970 ! 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=3.014 mas, bmaj=4.486 mas, bpa=4.294 degrees ! Estimated noise=827.84 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 = 0.0400148 Jy ! Component: 100 - total flux cleaned = 0.0606948 Jy ! Component: 150 - total flux cleaned = 0.0725183 Jy ! Component: 200 - total flux cleaned = 0.0793058 Jy ! Total flux subtracted in 200 components = 0.0793058 Jy ! Clean residual min=-0.021766 max=0.031343 Jy/beam ! Clean residual mean=-0.000202 rms=0.007549 Jy/beam ! Combined flux in latest and established models = 1.16897 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 40 components and 1.16897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284271Jy sigma=0.001914 ! Fit after self-cal, rms=0.283828Jy sigma=0.001911 ! 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 1.00* FD 1.00* HH 1.16 HN 1.15 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.82 ON 0.81 OV 1.00* ! PT 1.00* SC 1.10 WZ 1.00* ZC 1.29 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.06 HH 1.19 HN 1.10 ! KK 1.12 KP 1.00 LA 1.19 MK 0.82 ! NL 0.92 NY 0.84 ON 0.93 OV 0.97 ! PT 1.00 SC 1.07 WZ 0.97 ZC 1.24 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.16 HH 1.10 HN 0.99 ! KK 1.00* KP 1.00* LA 1.25 MK 1.00* ! NL 0.88 NY 0.89 ON 0.94 OV 1.00* ! PT 1.09 SC 1.03 WZ 0.89 ZC 1.16 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.11 HN 1.26 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.95 ON 0.95 OV 1.00* ! PT 1.00* SC 1.09 WZ 1.00* ZC 1.20 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.15 HH 1.25 HN 1.17 ! KK 1.05 KP 1.02 LA 1.11 MK 0.89 ! NL 0.96 NY 0.99 ON 0.93 OV 1.01 ! PT 0.98 SC 1.10 WZ 0.98 ZC 1.16 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.29 HH 1.04 HN 1.06 ! KK 1.00* KP 1.00* LA 1.15 MK 1.00* ! NL 0.91 NY 1.05 ON 0.99 OV 1.00* ! PT 1.07 SC 1.06 WZ 0.83 ZC 1.15 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.98 HN 1.11 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.95 OV 1.00* ! PT 1.00* SC 1.06 WZ 1.00* ZC 1.12 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.16 HH 1.12 HN 1.17 ! KK 1.08 KP 1.01 LA 0.89 MK 0.90 ! NL 1.00 NY 0.89 ON 0.90 OV 1.01 ! PT 1.05 SC 1.00 WZ 0.86 ZC 1.17 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.25 HH 0.94 HN 1.09 ! KK 1.00* KP 1.00* LA 0.92 MK 1.00* ! NL 0.94 NY 0.93 ON 0.96 OV 1.00* ! PT 1.15 SC 0.97 WZ 0.77 ZC 1.14 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.08 HN 1.10 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.05 ON 1.10 OV 1.00* ! PT 1.00* SC 1.04 WZ 1.00* ZC 0.99 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.11 HH 1.12 HN 1.08 ! KK 1.05 KP 0.94 LA 0.73 MK 0.95 ! NL 0.91 NY 0.97 ON 0.96 OV 0.83 ! PT 0.90 SC 1.04 WZ 0.83 ZC 1.02 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.21 HH 0.99 HN 0.98 ! KK 1.00* KP 1.00* LA 0.76 MK 1.00* ! NL 0.85 NY 1.04 ON 1.05 OV 1.00* ! PT 1.00 SC 1.00 WZ 0.74 ZC 0.95 ! ! ! Fit before self-cal, rms=0.283828Jy sigma=0.001911 ! Fit after self-cal, rms=0.223091Jy sigma=0.001260 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.072 mas, bmaj=4.633 mas, bpa=4.159 degrees ! Estimated noise=829.321 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 = 0.00439697 Jy ! Component: 100 - total flux cleaned = 0.00407608 Jy ! Component: 150 - total flux cleaned = 0.00405529 Jy ! Component: 200 - total flux cleaned = 0.00440363 Jy ! Total flux subtracted in 200 components = 0.00440363 Jy ! Clean residual min=-0.005878 max=0.006519 Jy/beam ! Clean residual mean=0.000013 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 1.17337 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.17337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222234Jy sigma=0.001252 ! Fit after self-cal, rms=0.221767Jy sigma=0.001250 ! 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=0.221767Jy sigma=0.001250 ! Fit after self-cal, rms=0.220389Jy sigma=0.001239 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.071 mas, bmaj=4.62 mas, bpa=4.324 degrees ! Estimated noise=828.693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00461526 Jy ! Component: 100 - total flux cleaned = 0.00386603 Jy ! Component: 150 - total flux cleaned = 0.00315503 Jy ! Component: 200 - total flux cleaned = 0.00286168 Jy ! Total flux subtracted in 200 components = 0.00286168 Jy ! Clean residual min=-0.005191 max=0.005308 Jy/beam ! Clean residual mean=0.000015 rms=0.001370 Jy/beam ! Combined flux in latest and established models = 1.17623 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 1.17623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220100Jy sigma=0.001236 ! Fit after self-cal, rms=0.219994Jy sigma=0.001236 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 = 0.00135319 Jy ! Component: 100 - total flux cleaned = 0.00126226 Jy ! Component: 150 - total flux cleaned = 0.00109881 Jy ! Component: 200 - total flux cleaned = 0.00109505 Jy ! Total flux subtracted in 200 components = 0.00109505 Jy ! Clean residual min=-0.004955 max=0.004957 Jy/beam ! Clean residual mean=0.000007 rms=0.001352 Jy/beam ! Combined flux in latest and established models = 1.17733 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 1.17733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219879Jy sigma=0.001235 ! Fit after self-cal, rms=0.219854Jy sigma=0.001235 ! 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=0.219854Jy sigma=0.001235 ! Fit after self-cal, rms=0.219914Jy sigma=0.001234 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.073 mas, bmaj=4.618 mas, bpa=4.19 degrees ! Estimated noise=828.877 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268199 Jy ! Component: 100 - total flux cleaned = 0.00236586 Jy ! Component: 150 - total flux cleaned = 0.00218922 Jy ! Component: 200 - total flux cleaned = 0.00218479 Jy ! Total flux subtracted in 200 components = 0.00218479 Jy ! Clean residual min=-0.004722 max=0.004682 Jy/beam ! Clean residual mean=0.000032 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 1.17951 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 51 components and 1.17951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219769Jy sigma=0.001232 ! Fit after self-cal, rms=0.219718Jy sigma=0.001232 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 = 0.000658838 Jy ! Component: 100 - total flux cleaned = 0.000668936 Jy ! Component: 150 - total flux cleaned = 0.000598968 Jy ! Component: 200 - total flux cleaned = 0.000600724 Jy ! Total flux subtracted in 200 components = 0.000600724 Jy ! Clean residual min=-0.004545 max=0.004656 Jy/beam ! Clean residual mean=0.000027 rms=0.001254 Jy/beam ! Combined flux in latest and established models = 1.18011 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 1.18011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219640Jy sigma=0.001232 ! Fit after self-cal, rms=0.219626Jy sigma=0.001231 ! 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=0.219626Jy sigma=0.001231 ! Fit after self-cal, rms=0.219206Jy sigma=0.001231 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.168 mas, bmaj=10.47 mas, bpa=-14.88 degrees ! Estimated noise=945.636 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269814 Jy ! Component: 100 - total flux cleaned = 0.00283192 Jy ! Component: 150 - total flux cleaned = 0.00286414 Jy ! Component: 200 - total flux cleaned = 0.0028896 Jy ! Total flux subtracted in 200 components = 0.0028896 Jy ! Clean residual min=-0.004076 max=0.005454 Jy/beam ! Clean residual mean=0.000066 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 1.183 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 55 components and 1.183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219177Jy sigma=0.001231 ! Fit after self-cal, rms=0.219149Jy sigma=0.001231 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 = 0.000279483 Jy ! Component: 100 - total flux cleaned = 0.000279985 Jy ! Component: 150 - total flux cleaned = 0.000306225 Jy ! Component: 200 - total flux cleaned = 0.000308571 Jy ! Total flux subtracted in 200 components = 0.000308571 Jy ! Clean residual min=-0.004077 max=0.005520 Jy/beam ! Clean residual mean=0.000062 rms=0.001509 Jy/beam ! Combined flux in latest and established models = 1.18331 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 62 components and 1.18331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219124Jy sigma=0.001231 ! Fit after self-cal, rms=0.219115Jy sigma=0.001230 ! 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=3.073 mas, bmaj=4.614 mas, bpa=4.083 degrees ! Estimated noise=829.096 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.073 x 4.614 at 4.083 degrees (North through East) ! Clean map min=-0.0039916 max=0.92858 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=0.219115Jy sigma=0.001230 ! Fit after self-cal, rms=0.213018Jy sigma=0.001089 ! Inverting map and beam ! Estimated beam: bmin=3.071 mas, bmaj=4.615 mas, bpa=4.166 degrees ! Estimated noise=828.802 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128225 Jy ! Component: 100 - total flux cleaned = 0.000873147 Jy ! Component: 150 - total flux cleaned = 0.000732001 Jy ! Component: 200 - total flux cleaned = 0.000796056 Jy ! Total flux subtracted in 200 components = 0.000796056 Jy ! Clean residual min=-0.004242 max=0.004690 Jy/beam ! Clean residual mean=0.000037 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 1.18411 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 62 components and 1.18411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212927Jy sigma=0.001089 ! Fit after self-cal, rms=0.212914Jy sigma=0.001089 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026717 Jy ! Component: 100 - total flux cleaned = 0.000273408 Jy ! Component: 150 - total flux cleaned = 0.000170028 Jy ! Component: 200 - total flux cleaned = 0.00012082 Jy ! Total flux subtracted in 200 components = 0.00012082 Jy ! Clean residual min=-0.004281 max=0.004621 Jy/beam ! Clean residual mean=0.000036 rms=0.001149 Jy/beam ! Combined flux in latest and established models = 1.18423 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 65 components and 1.18423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212860Jy sigma=0.001088 ! Fit after self-cal, rms=0.212853Jy sigma=0.001088 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212853Jy sigma=0.001088 ! Fit after self-cal, rms=0.212429Jy sigma=0.001088 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=2.085 mas, bmaj=3.065 mas, bpa=6.97 degrees ! Estimated noise=1624.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.664602 Jy ! Component: 100 - total flux cleaned = 0.862373 Jy ! Component: 150 - total flux cleaned = 0.961602 Jy ! Component: 200 - total flux cleaned = 1.02171 Jy ! Total flux subtracted in 200 components = 1.02171 Jy ! Clean residual min=-0.011845 max=0.031653 Jy/beam ! Clean residual mean=0.000293 rms=0.004156 Jy/beam ! Combined flux in latest and established models = 1.02171 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 18 model components to the UV plane model. ! The established model now contains 18 components and 1.02171 Jy ! Inverting map and beam ! Estimated beam: bmin=3.07 mas, bmaj=4.612 mas, bpa=4.08 degrees ! Estimated noise=828.94 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 = 0.0724964 Jy ! Component: 100 - total flux cleaned = 0.109535 Jy ! Component: 150 - total flux cleaned = 0.13064 Jy ! Component: 200 - total flux cleaned = 0.143056 Jy ! Total flux subtracted in 200 components = 0.143056 Jy ! Clean residual min=-0.005363 max=0.008194 Jy/beam ! Clean residual mean=0.000182 rms=0.001630 Jy/beam ! Combined flux in latest and established models = 1.16477 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 54 components and 1.16477 Jy ! Inverting map ! Added new window around map position (-6, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00844767 Jy ! Component: 100 - total flux cleaned = 0.0138113 Jy ! Component: 150 - total flux cleaned = 0.017501 Jy ! Component: 200 - total flux cleaned = 0.0200456 Jy ! Total flux subtracted in 200 components = 0.0200456 Jy ! Clean residual min=-0.004011 max=0.004392 Jy/beam ! Clean residual mean=0.000047 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 1.18481 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 1.18481 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=8.157 mas, bmaj=10.47 mas, bpa=-14.96 degrees ! Estimated noise=946.476 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00234402 Jy ! Component: 100 - total flux cleaned = 0.00355138 Jy ! Component: 150 - total flux cleaned = 0.0038568 Jy ! Component: 200 - total flux cleaned = 0.00399573 Jy ! Total flux subtracted in 200 components = 0.00399573 Jy ! Clean residual min=-0.004365 max=0.005177 Jy/beam ! Clean residual mean=0.000041 rms=0.001282 Jy/beam ! Combined flux in latest and established models = 1.18881 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 = 9.59869e-05 Jy ! Component: 100 - total flux cleaned = 0.000112759 Jy ! Component: 150 - total flux cleaned = 0.000128437 Jy ! Component: 200 - total flux cleaned = 0.000143254 Jy ! Total flux subtracted in 200 components = 0.000143254 Jy ! Clean residual min=-0.004373 max=0.005133 Jy/beam ! Clean residual mean=0.000040 rms=0.001276 Jy/beam ! Combined flux in latest and established models = 1.18895 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 84 components and 1.18895 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.07 mas, bmaj=4.612 mas, bpa=4.08 degrees ! Estimated noise=828.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00089662 Jy ! Component: 100 - total flux cleaned = -0.00095507 Jy ! Component: 150 - total flux cleaned = -0.000899403 Jy ! Component: 200 - total flux cleaned = -0.000897357 Jy ! Total flux subtracted in 200 components = -0.000897357 Jy ! Clean residual min=-0.004126 max=0.004444 Jy/beam ! Clean residual mean=0.000027 rms=0.001079 Jy/beam ! Combined flux in latest and established models = 1.18806 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 92 components and 1.18806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212189Jy sigma=0.001087 ! Fit after self-cal, rms=0.212061Jy sigma=0.001086 wmodel J0854+2006_S_2008_04_02_pus_map.mod ! Writing 92 model components to file: J0854+2006_S_2008_04_02_pus_map.mod wobs J0854+2006_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0854+2006_S_2008_04_02_pus_uvs.fits wwins J0854+2006_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0854+2006_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 = 0.000112696 Jy ! Component: 100 - total flux cleaned = -0.000366359 Jy ! Component: 150 - total flux cleaned = -0.000183232 Jy ! Component: 200 - total flux cleaned = -0.000184084 Jy ! Component: 250 - total flux cleaned = -0.000299459 Jy ! Component: 300 - total flux cleaned = -0.000299639 Jy ! Component: 350 - total flux cleaned = -0.000410853 Jy ! Component: 400 - total flux cleaned = -0.000465784 Jy ! Component: 450 - total flux cleaned = -0.000678771 Jy ! Component: 500 - total flux cleaned = -0.000783479 Jy ! Component: 550 - total flux cleaned = -0.000783754 Jy ! Component: 600 - total flux cleaned = -0.000936903 Jy ! Component: 650 - total flux cleaned = -0.00113762 Jy ! Component: 700 - total flux cleaned = -0.00123654 Jy ! Component: 750 - total flux cleaned = -0.00148028 Jy ! Component: 800 - total flux cleaned = -0.00167257 Jy ! Component: 850 - total flux cleaned = -0.0019094 Jy ! Component: 900 - total flux cleaned = -0.00205069 Jy ! Component: 950 - total flux cleaned = -0.00237591 Jy ! Component: 1000 - total flux cleaned = -0.00242181 Jy ! Component: 1050 - total flux cleaned = -0.00269482 Jy ! Component: 1100 - total flux cleaned = -0.00287521 Jy ! Component: 1150 - total flux cleaned = -0.0031425 Jy ! Component: 1200 - total flux cleaned = -0.00327445 Jy ! Component: 1250 - total flux cleaned = -0.00336192 Jy ! Component: 1300 - total flux cleaned = -0.00331848 Jy ! Component: 1350 - total flux cleaned = -0.00336115 Jy ! Component: 1400 - total flux cleaned = -0.00323363 Jy ! Component: 1450 - total flux cleaned = -0.00340279 Jy ! Component: 1500 - total flux cleaned = -0.00331859 Jy ! Component: 1550 - total flux cleaned = -0.00327675 Jy ! Component: 1600 - total flux cleaned = -0.00331761 Jy ! Component: 1650 - total flux cleaned = -0.00311225 Jy ! Component: 1700 - total flux cleaned = -0.00307158 Jy ! Component: 1750 - total flux cleaned = -0.00299122 Jy ! Component: 1800 - total flux cleaned = -0.00299123 Jy ! Component: 1850 - total flux cleaned = -0.00291124 Jy ! Component: 1900 - total flux cleaned = -0.00275294 Jy ! Component: 1950 - total flux cleaned = -0.00267431 Jy ! Component: 2000 - total flux cleaned = -0.00259675 Jy ! Total flux subtracted in 2048 components = -0.00255831 Jy ! Clean residual min=-0.002322 max=0.002475 Jy/beam ! Clean residual mean=0.000029 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 1.1855 Jy keep ! Adding 131 model components to the UV plane model. ! The established model now contains 223 components and 1.1855 Jy wmap "J0854+2006_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.07 x 4.612 at 4.08 degrees (North through East) ! Clean map min=-0.0034745 max=0.92946 Jy/beam ! Writing clean map to FITS file: J0854+2006_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 0.929458 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000708769 device "J0854+2006_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0854+2006_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.228768 0.228768 0.457537 0.915074 1.83015 3.66029 7.32059 14.6412 29.2824 58.5647 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.929 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.07 x 4.612 at 4.08 degrees (North through East) ! Clean map min=-0.0034745 max=0.92946 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0854+2006_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0854+2006_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0854+2006_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:38:41 2010