! Started logfile: J0721+7120_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:18:04 2010 obs J0721+7120_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0721+7120_X_2007_12_05_pus_uva.fits ! AN table 1: 60 integrations on 136 of 136 possible baselines. ! AN table 2: 43 integrations on 136 of 136 possible baselines. ! AN table 3: 31 integrations on 136 of 136 possible baselines. ! AN table 4: 70 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.132605 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0721+7120 ! ! 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 1501 lines of history. ! ! Reading 14716 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 634 telescope corrections were flagged in sub-array 1. ! A total of 465 telescope corrections were flagged in sub-array 2. ! A total of 353 telescope corrections were flagged in sub-array 3. ! A total of 1045 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 634 telescope corrections were flagged in sub-array 1. ! A total of 465 telescope corrections were flagged in sub-array 2. ! A total of 353 telescope corrections were flagged in sub-array 3. ! A total of 1045 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 634 telescope corrections were flagged in sub-array 1. ! A total of 465 telescope corrections were flagged in sub-array 2. ! A total of 353 telescope corrections were flagged in sub-array 3. ! A total of 1045 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 634 telescope corrections were flagged in sub-array 1. ! A total of 465 telescope corrections were flagged in sub-array 2. ! A total of 353 telescope corrections were flagged in sub-array 3. ! A total of 1045 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.712447Jy sigma=0.007029 ! Fit after self-cal, rms=0.442690Jy sigma=0.004427 ! 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 ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.5418 mas, bmaj=0.8415 mas, bpa=-48.22 degrees ! Estimated noise=981.75 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 = 0.45223 Jy ! Component: 100 - total flux cleaned = 0.560582 Jy ! Total flux subtracted in 100 components = 0.560582 Jy ! Clean residual min=-0.014748 max=0.043430 Jy/beam ! Clean residual mean=-0.000122 rms=0.004118 Jy/beam ! Combined flux in latest and established models = 0.560582 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.560582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178636Jy sigma=0.001611 ! Fit after self-cal, rms=0.178573Jy sigma=0.001611 ! Inverting map ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0456056 Jy ! Component: 100 - total flux cleaned = 0.0680032 Jy ! Total flux subtracted in 100 components = 0.0680032 Jy ! Clean residual min=-0.011235 max=0.022639 Jy/beam ! Clean residual mean=-0.000192 rms=0.002973 Jy/beam ! Combined flux in latest and established models = 0.628585 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.628585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164897Jy sigma=0.001444 ! Fit after self-cal, rms=0.164848Jy sigma=0.001444 ! Inverting map ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (1, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191302 Jy ! Component: 100 - total flux cleaned = 0.0253378 Jy ! Total flux subtracted in 100 components = 0.0253378 Jy ! Clean residual min=-0.009848 max=0.014860 Jy/beam ! Clean residual mean=-0.000220 rms=0.002665 Jy/beam ! Combined flux in latest and established models = 0.653923 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 13 components and 0.653923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162865Jy sigma=0.001422 ! Fit after self-cal, rms=0.162611Jy sigma=0.001420 ! Inverting map ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6322 mas, bmaj=1.046 mas, bpa=-48.02 degrees ! Estimated noise=605.218 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 = 0.00920283 Jy ! Component: 100 - total flux cleaned = 0.01109 Jy ! Component: 150 - total flux cleaned = 0.0120716 Jy ! Component: 200 - total flux cleaned = 0.0126306 Jy ! Total flux subtracted in 200 components = 0.0126306 Jy ! Clean residual min=-0.010169 max=0.009565 Jy/beam ! Clean residual mean=-0.002175 rms=0.002219 Jy/beam ! Combined flux in latest and established models = 0.666553 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.666553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161964Jy sigma=0.001415 ! Fit after self-cal, rms=0.161938Jy sigma=0.001415 ! Inverting map ! Your choice of large map pixels excluded 0.721% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 HH 1.00* HN 1.19 ! KB 1.68 KP 0.97 LA 0.96 MK 1.00* ! NL 1.03 NY 0.91 ON 1.00* OV 1.00 ! PT 0.96 SV 1.02 TS 0.95 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 1.05 HH 1.00* HN 1.09 ! KB 1.00* KP 1.00 LA 0.98 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 0.97 ! PT 0.99 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.91 FD 1.01 HH 1.00* HN 1.11 ! KB 0.98 KP 0.99 LA 1.00 MK 0.99 ! NL 1.07 NY 1.00* ON 1.00* OV 0.97 ! PT 1.00 SV 1.00* TS 0.96 WZ 1.00* ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.93 FD 1.00 HH 1.00* HN 1.16 ! KB 1.00* KP 0.99 LA 0.99 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 0.97 ! PT 0.96 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 1.16 ! KB 1.57 KP 0.92 LA 0.96 MK 1.00* ! NL 1.00 NY 0.93 ON 1.00* OV 0.97 ! PT 1.00 SV 0.99 TS 0.99 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.05 HH 1.00* HN 1.11 ! KB 1.00* KP 0.94 LA 0.96 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.95 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.02 HH 1.00* HN 1.11 ! KB 0.97 KP 0.95 LA 1.00 MK 1.02 ! NL 1.04 NY 1.00* ON 1.00* OV 0.93 ! PT 1.03 SV 1.00* TS 0.98 WZ 1.00* ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.01 HH 1.00* HN 1.19 ! KB 1.00* KP 0.97 LA 0.99 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 0.95 ! PT 1.00 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HH 1.00* HN 1.12 ! KB 0.95 KP 0.95 LA 0.98 MK 1.00* ! NL 0.99 NY 0.96 ON 1.00* OV 1.01 ! PT 1.01 SV 0.99 TS 1.02 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.03 HH 1.00* HN 1.01 ! KB 1.00* KP 0.99 LA 0.99 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.00 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.01 HH 1.00* HN 1.04 ! KB 0.97 KP 0.99 LA 0.99 MK 1.00 ! NL 1.07 NY 1.00* ON 1.00* OV 0.99 ! PT 1.06 SV 1.00* TS 0.97 WZ 1.00* ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.00 HH 1.00* HN 1.15 ! KB 1.00* KP 1.00 LA 0.98 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 0.98 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HH 1.00* HN 1.15 ! KB 0.96 KP 0.96 LA 0.96 MK 1.00* ! NL 0.99 NY 0.94 ON 1.00* OV 1.00 ! PT 1.02 SV 0.91 TS 1.03 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.04 HH 1.00* HN 1.14 ! KB 1.00* KP 0.97 LA 0.97 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 0.99 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.99 HH 1.00* HN 1.09 ! KB 0.99 KP 0.98 LA 1.00 MK 0.98 ! NL 1.05 NY 1.00* ON 1.00* OV 1.00 ! PT 1.06 SV 1.00* TS 1.01 WZ 1.00* ! ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.00 HH 1.00* HN 1.13 ! KB 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.01 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.161938Jy sigma=0.001415 ! Fit after self-cal, rms=0.165071Jy sigma=0.001296 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6408 mas, bmaj=1.054 mas, bpa=-48.49 degrees ! Estimated noise=612.97 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 = -0.00593165 Jy ! Component: 100 - total flux cleaned = -0.0061473 Jy ! Component: 150 - total flux cleaned = -0.00614886 Jy ! Component: 200 - total flux cleaned = -0.0061475 Jy ! Total flux subtracted in 200 components = -0.0061475 Jy ! Clean residual min=-0.005541 max=0.005693 Jy/beam ! Clean residual mean=-0.001015 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.660406 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 25 components and 0.660406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164620Jy sigma=0.001289 ! Fit after self-cal, rms=0.164726Jy sigma=0.001288 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (0.4, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00334529 Jy ! Component: 100 - total flux cleaned = 0.00359489 Jy ! Component: 150 - total flux cleaned = 0.00391431 Jy ! Component: 200 - total flux cleaned = 0.00400546 Jy ! Total flux subtracted in 200 components = 0.00400546 Jy ! Clean residual min=-0.005323 max=0.002987 Jy/beam ! Clean residual mean=-0.001057 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.664411 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 39 components and 0.664411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164487Jy sigma=0.001286 ! Fit after self-cal, rms=0.164460Jy sigma=0.001286 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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=0.164460Jy sigma=0.001286 ! Fit after self-cal, rms=0.164650Jy sigma=0.001276 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.645 mas, bmaj=1.053 mas, bpa=-48.25 degrees ! Estimated noise=613.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00290723 Jy ! Component: 100 - total flux cleaned = -0.00290617 Jy ! Component: 150 - total flux cleaned = -0.00278833 Jy ! Component: 200 - total flux cleaned = -0.00248007 Jy ! Total flux subtracted in 200 components = -0.00248007 Jy ! Clean residual min=-0.004579 max=0.003020 Jy/beam ! Clean residual mean=-0.000769 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 0.661931 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 41 components and 0.661931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164423Jy sigma=0.001273 ! Fit after self-cal, rms=0.164405Jy sigma=0.001273 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 = 0.000200727 Jy ! Component: 100 - total flux cleaned = 0.000447871 Jy ! Component: 150 - total flux cleaned = 0.000446533 Jy ! Component: 200 - total flux cleaned = 0.00037956 Jy ! Total flux subtracted in 200 components = 0.00037956 Jy ! Clean residual min=-0.004476 max=0.002843 Jy/beam ! Clean residual mean=-0.000773 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.662311 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 45 components and 0.662311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164324Jy sigma=0.001272 ! Fit after self-cal, rms=0.164315Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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=0.164315Jy sigma=0.001272 ! Fit after self-cal, rms=0.164749Jy sigma=0.001270 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.648 mas, bmaj=1.053 mas, bpa=-48.09 degrees ! Estimated noise=613.295 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00256069 Jy ! Component: 100 - total flux cleaned = -0.00245764 Jy ! Component: 150 - total flux cleaned = -0.00220696 Jy ! Component: 200 - total flux cleaned = -0.00205852 Jy ! Total flux subtracted in 200 components = -0.00205852 Jy ! Clean residual min=-0.004047 max=0.002730 Jy/beam ! Clean residual mean=-0.000578 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.660252 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 47 components and 0.660252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164641Jy sigma=0.001268 ! Fit after self-cal, rms=0.164634Jy sigma=0.001268 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 = 0.000219897 Jy ! Component: 100 - total flux cleaned = 0.000219079 Jy ! Component: 150 - total flux cleaned = 0.000219369 Jy ! Component: 200 - total flux cleaned = 0.000164094 Jy ! Total flux subtracted in 200 components = 0.000164094 Jy ! Clean residual min=-0.003960 max=0.002605 Jy/beam ! Clean residual mean=-0.000580 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.660416 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 49 components and 0.660417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164589Jy sigma=0.001268 ! Fit after self-cal, rms=0.164584Jy sigma=0.001268 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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=0.164584Jy sigma=0.001268 ! Fit after self-cal, rms=0.164909Jy sigma=0.001267 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.787 mas, bmaj=3.16 mas, bpa=65.79 degrees ! Estimated noise=773.007 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00174513 Jy ! Component: 100 - total flux cleaned = -0.0018278 Jy ! Component: 150 - total flux cleaned = -0.00185705 Jy ! Component: 200 - total flux cleaned = -0.0018779 Jy ! Total flux subtracted in 200 components = -0.0018779 Jy ! Clean residual min=-0.004679 max=0.002346 Jy/beam ! Clean residual mean=-0.000980 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.658539 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 60 components and 0.658539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164914Jy sigma=0.001267 ! Fit after self-cal, rms=0.164901Jy sigma=0.001267 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 = 9.82328e-05 Jy ! Component: 100 - total flux cleaned = 8.32499e-05 Jy ! Component: 150 - total flux cleaned = 6.6528e-05 Jy ! Component: 200 - total flux cleaned = 5.14119e-05 Jy ! Total flux subtracted in 200 components = 5.14119e-05 Jy ! Clean residual min=-0.004641 max=0.002360 Jy/beam ! Clean residual mean=-0.000982 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.65859 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 61 components and 0.65859 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164905Jy sigma=0.001267 ! Fit after self-cal, rms=0.164901Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6501 mas, bmaj=1.053 mas, bpa=-47.97 degrees ! Estimated noise=613.18 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6501 x 1.053 at -47.97 degrees (North through East) ! Clean map min=-0.0032924 max=0.57603 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=0.164901Jy sigma=0.001267 ! Fit after self-cal, rms=0.178753Jy sigma=0.001124 ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6497 mas, bmaj=1.055 mas, bpa=-47.95 degrees ! Estimated noise=611.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00220575 Jy ! Component: 100 - total flux cleaned = -0.00220794 Jy ! Component: 150 - total flux cleaned = -0.00202344 Jy ! Component: 200 - total flux cleaned = -0.00191528 Jy ! Total flux subtracted in 200 components = -0.00191528 Jy ! Clean residual min=-0.003390 max=0.002696 Jy/beam ! Clean residual mean=-0.000441 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.656675 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 64 components and 0.656675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178705Jy sigma=0.001123 ! Fit after self-cal, rms=0.178708Jy sigma=0.001123 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000114162 Jy ! Component: 100 - total flux cleaned = 0.000115676 Jy ! Component: 150 - total flux cleaned = 7.49912e-05 Jy ! Component: 200 - total flux cleaned = 3.6098e-05 Jy ! Total flux subtracted in 200 components = 3.6098e-05 Jy ! Clean residual min=-0.003382 max=0.002682 Jy/beam ! Clean residual mean=-0.000442 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 0.656711 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 0.656711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178687Jy sigma=0.001122 ! Fit after self-cal, rms=0.178686Jy sigma=0.001122 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178686Jy sigma=0.001122 ! Fit after self-cal, rms=0.178625Jy sigma=0.001122 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 ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.5532 mas, bmaj=0.8383 mas, bpa=-47.43 degrees ! Estimated noise=1007.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.455497 Jy ! Component: 100 - total flux cleaned = 0.558573 Jy ! Component: 150 - total flux cleaned = 0.594784 Jy ! Component: 200 - total flux cleaned = 0.61445 Jy ! Total flux subtracted in 200 components = 0.61445 Jy ! Clean residual min=-0.006114 max=0.010316 Jy/beam ! Clean residual mean=-0.000022 rms=0.001465 Jy/beam ! Combined flux in latest and established models = 0.61445 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.61445 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6513 mas, bmaj=1.055 mas, bpa=-47.86 degrees ! Estimated noise=611.583 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 = 0.0178899 Jy ! Component: 100 - total flux cleaned = 0.0272401 Jy ! Component: 150 - total flux cleaned = 0.0325905 Jy ! Component: 200 - total flux cleaned = 0.035862 Jy ! Total flux subtracted in 200 components = 0.035862 Jy ! Clean residual min=-0.003326 max=0.002574 Jy/beam ! Clean residual mean=-0.000301 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.650312 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 43 components and 0.650312 Jy ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec 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 ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.787 mas, bmaj=3.16 mas, bpa=65.91 degrees ! Estimated noise=768.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00273062 Jy ! Component: 100 - total flux cleaned = 0.00398796 Jy ! Component: 150 - total flux cleaned = 0.004623 Jy ! Component: 200 - total flux cleaned = 0.00473852 Jy ! Total flux subtracted in 200 components = 0.00473852 Jy ! Clean residual min=-0.004334 max=0.002330 Jy/beam ! Clean residual mean=-0.000759 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 0.655051 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 = 4.36044e-05 Jy ! Component: 100 - total flux cleaned = 8.44302e-05 Jy ! Component: 150 - total flux cleaned = 0.000110263 Jy ! Component: 200 - total flux cleaned = 0.000146301 Jy ! Total flux subtracted in 200 components = 0.000146301 Jy ! Clean residual min=-0.004312 max=0.002325 Jy/beam ! Clean residual mean=-0.000762 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.655197 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 64 components and 0.655197 Jy ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6513 mas, bmaj=1.055 mas, bpa=-47.86 degrees ! Estimated noise=611.583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.47939e-05 Jy ! Component: 100 - total flux cleaned = -1.53875e-05 Jy ! Component: 150 - total flux cleaned = -1.69238e-05 Jy ! Component: 200 - total flux cleaned = 1.82985e-05 Jy ! Total flux subtracted in 200 components = 1.82985e-05 Jy ! Clean residual min=-0.003220 max=0.002555 Jy/beam ! Clean residual mean=-0.000345 rms=0.000699 Jy/beam ! Combined flux in latest and established models = 0.655215 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 77 components and 0.655215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178661Jy sigma=0.001121 ! Fit after self-cal, rms=0.178630Jy sigma=0.001121 wmodel J0721+7120_X_2007_12_05_pus_map.mod ! Writing 77 model components to file: J0721+7120_X_2007_12_05_pus_map.mod wobs J0721+7120_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0721+7120_X_2007_12_05_pus_uvs.fits wwins J0721+7120_X_2007_12_05_pus_map.win ! wwins: Wrote 3 windows to J0721+7120_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00145429 Jy ! Component: 100 - total flux cleaned = -0.00260329 Jy ! Component: 150 - total flux cleaned = -0.00357363 Jy ! Component: 200 - total flux cleaned = -0.00454493 Jy ! Component: 250 - total flux cleaned = -0.00552576 Jy ! Component: 300 - total flux cleaned = -0.00647651 Jy ! Component: 350 - total flux cleaned = -0.00731874 Jy ! Component: 400 - total flux cleaned = -0.00801954 Jy ! Component: 450 - total flux cleaned = -0.0087473 Jy ! Component: 500 - total flux cleaned = -0.00946189 Jy ! Component: 550 - total flux cleaned = -0.0101254 Jy ! Component: 600 - total flux cleaned = -0.010856 Jy ! Component: 650 - total flux cleaned = -0.011538 Jy ! Component: 700 - total flux cleaned = -0.0123214 Jy ! Component: 750 - total flux cleaned = -0.0129462 Jy ! Component: 800 - total flux cleaned = -0.013563 Jy ! Component: 850 - total flux cleaned = -0.0141361 Jy ! Component: 900 - total flux cleaned = -0.0147022 Jy ! Component: 950 - total flux cleaned = -0.0152617 Jy ! Component: 1000 - total flux cleaned = -0.0156767 Jy ! Component: 1050 - total flux cleaned = -0.0161908 Jy ! Component: 1100 - total flux cleaned = -0.0166657 Jy ! Component: 1150 - total flux cleaned = -0.0171691 Jy ! Component: 1200 - total flux cleaned = -0.0176341 Jy ! Component: 1250 - total flux cleaned = -0.0180621 Jy ! Component: 1300 - total flux cleaned = -0.0185514 Jy ! Component: 1350 - total flux cleaned = -0.0190037 Jy ! Component: 1400 - total flux cleaned = -0.0194202 Jy ! Component: 1450 - total flux cleaned = -0.019833 Jy ! Component: 1500 - total flux cleaned = -0.0203053 Jy ! Component: 1550 - total flux cleaned = -0.0206802 Jy ! Component: 1600 - total flux cleaned = -0.0211445 Jy ! Component: 1650 - total flux cleaned = -0.0214827 Jy ! Component: 1700 - total flux cleaned = -0.0219096 Jy ! Component: 1750 - total flux cleaned = -0.0222426 Jy ! Component: 1800 - total flux cleaned = -0.0226628 Jy ! Component: 1850 - total flux cleaned = -0.0229905 Jy ! Component: 1900 - total flux cleaned = -0.023316 Jy ! Component: 1950 - total flux cleaned = -0.0236392 Jy ! Component: 2000 - total flux cleaned = -0.024047 Jy ! Total flux subtracted in 2048 components = -0.0243076 Jy ! Clean residual min=-0.001728 max=0.001495 Jy/beam ! Clean residual mean=-0.000150 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.630907 Jy keep ! Adding 169 model components to the UV plane model. ! The established model now contains 246 components and 0.630907 Jy wmap "J0721+7120_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6513 x 1.055 at -47.86 degrees (North through East) ! Clean map min=-0.0024877 max=0.57795 Jy/beam ! Writing clean map to FITS file: J0721+7120_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.577951 invert ! Inverting map ! Your choice of large map pixels excluded 0.732% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00051549 device "J0721+7120_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0721+7120_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.267578 0.267578 0.535156 1.07031 2.14062 4.28125 8.56249 17.125 34.25 68.4999 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.577 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6513 x 1.055 at -47.86 degrees (North through East) ! Clean map min=-0.0024877 max=0.57795 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0721+7120_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0721+7120_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0721+7120_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:18:09 2010