! Started logfile: J0050-0929_X_1998_10_01_pus_uvs.log on Wed Feb 6 14:49:08 2008 obs J0050-0929_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0050-0929_X_1998_10_01_pus_uva.fits ! AN table 1: 33 integrations on 136 of 136 possible baselines. ! AN table 2: 92 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.228588 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0050-0929 ! ! 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2053 lines of history. ! ! Reading 15544 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0050-0929_X_1998_10_01_pus] 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 = 256x256 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 254 telescope corrections were flagged in sub-array 1. ! A total of 958 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 254 telescope corrections were flagged in sub-array 1. ! A total of 962 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 254 telescope corrections were flagged in sub-array 1. ! A total of 959 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 254 telescope corrections were flagged in sub-array 1. ! A total of 958 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.567161Jy sigma=0.005377 ! Fit after self-cal, rms=0.284128Jy sigma=0.002550 ! 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 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7221 mas, bmaj=1.736 mas, bpa=-2.184 degrees ! Estimated noise=1347.16 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 = 0.724242 Jy ! Component: 100 - total flux cleaned = 0.889539 Jy ! Total flux subtracted in 100 components = 0.889539 Jy ! Clean residual min=-0.043719 max=0.066659 Jy/beam ! Clean residual mean=0.000251 rms=0.014447 Jy/beam ! Combined flux in latest and established models = 0.889539 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.889539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302069Jy sigma=0.002828 ! Fit after self-cal, rms=0.302038Jy sigma=0.002827 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8607 mas, bmaj=2.313 mas, bpa=-5.416 degrees ! Estimated noise=576.172 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 = 0.0915589 Jy ! Component: 100 - total flux cleaned = 0.120241 Jy ! Component: 150 - total flux cleaned = 0.132573 Jy ! Component: 200 - total flux cleaned = 0.138558 Jy ! Total flux subtracted in 200 components = 0.138558 Jy ! Clean residual min=-0.010573 max=0.021368 Jy/beam ! Clean residual mean=-0.000190 rms=0.003979 Jy/beam ! Combined flux in latest and established models = 1.0281 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 1.0281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280306Jy sigma=0.002518 ! Fit after self-cal, rms=0.280324Jy sigma=0.002518 ! Inverting map ! Your choice of large map pixels excluded 0.608% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 GC 1.00* HN 0.97 ! KK 1.00* KP 0.99 LA 1.02 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 1.03 ! PT 1.02 SC 0.97 WF 1.08 MC 1.00* ! GN 1.01 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 GC 1.22 HN 1.02 ! KK 1.05 KP 0.96 LA 1.01 MK 0.96 ! NL 1.05 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 1.04 WF 1.12 MC 1.00* ! GN 1.05 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 GC 1.00* HN 1.01 ! KK 1.00* KP 1.00 LA 0.99 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 0.94 WF 1.09 MC 1.00* ! GN 1.01 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.20 HN 1.06 ! KK 1.03 KP 0.98 LA 0.98 MK 0.96 ! NL 1.04 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.02 WF 1.10 MC 1.00* ! GN 1.03 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.00* HN 0.96 ! KK 1.00* KP 1.02 LA 0.99 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.99 ! PT 1.03 SC 0.95 WF 1.11 MC 1.00* ! GN 1.03 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.95 GC 1.21 HN 1.03 ! KK 1.03 KP 1.01 LA 0.96 MK 1.01 ! NL 1.03 NY 1.00* ON 1.00* OV 0.95 ! PT 1.00 SC 1.05 WF 1.10 MC 1.00* ! GN 1.02 ! ! ! 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 0.98 GC 1.00* HN 1.03 ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.01 ! PT 0.98 SC 0.91 WF 1.12 MC 1.00* ! GN 1.04 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.93 GC 1.24 HN 1.09 ! KK 1.05 KP 0.98 LA 0.96 MK 0.97 ! NL 1.04 NY 1.00* ON 1.00* OV 0.98 ! PT 0.95 SC 1.03 WF 1.11 MC 1.00* ! GN 1.00 ! ! ! Fit before self-cal, rms=0.280324Jy sigma=0.002518 ! Fit after self-cal, rms=0.285713Jy sigma=0.002460 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8625 mas, bmaj=2.321 mas, bpa=-5.42 degrees ! Estimated noise=578.056 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 = 0.00034451 Jy ! Component: 100 - total flux cleaned = 0.000736255 Jy ! Component: 150 - total flux cleaned = 0.000634305 Jy ! Component: 200 - total flux cleaned = 0.000437741 Jy ! Total flux subtracted in 200 components = 0.000437741 Jy ! Clean residual min=-0.008169 max=0.010835 Jy/beam ! Clean residual mean=0.000130 rms=0.002634 Jy/beam ! Combined flux in latest and established models = 1.02854 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 1.02854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285572Jy sigma=0.002459 ! Fit after self-cal, rms=0.285820Jy sigma=0.002459 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.285820Jy sigma=0.002459 ! Fit after self-cal, rms=0.297056Jy sigma=0.002407 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8647 mas, bmaj=2.317 mas, bpa=-5.4 degrees ! Estimated noise=580.428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00437831 Jy ! Component: 100 - total flux cleaned = 0.00520163 Jy ! Component: 150 - total flux cleaned = 0.00526548 Jy ! Component: 200 - total flux cleaned = 0.00531816 Jy ! Total flux subtracted in 200 components = 0.00531816 Jy ! Clean residual min=-0.005661 max=0.008799 Jy/beam ! Clean residual mean=0.000098 rms=0.002050 Jy/beam ! Combined flux in latest and established models = 1.03385 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 44 components and 1.03385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296993Jy sigma=0.002407 ! Fit after self-cal, rms=0.297118Jy sigma=0.002407 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = -0.000128552 Jy ! Component: 100 - total flux cleaned = -3.64523e-05 Jy ! Component: 150 - total flux cleaned = 2.43253e-06 Jy ! Component: 200 - total flux cleaned = 3.19501e-06 Jy ! Total flux subtracted in 200 components = 3.19501e-06 Jy ! Clean residual min=-0.005685 max=0.008700 Jy/beam ! Clean residual mean=0.000099 rms=0.002045 Jy/beam ! Combined flux in latest and established models = 1.03386 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 44 components and 1.03386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297105Jy sigma=0.002406 ! Fit after self-cal, rms=0.297098Jy sigma=0.002406 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.297098Jy sigma=0.002406 ! Fit after self-cal, rms=0.296292Jy sigma=0.002376 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8646 mas, bmaj=2.319 mas, bpa=-5.378 degrees ! Estimated noise=580.394 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102084 Jy ! Component: 100 - total flux cleaned = 0.00121641 Jy ! Component: 150 - total flux cleaned = 0.00130034 Jy ! Component: 200 - total flux cleaned = 0.00134892 Jy ! Total flux subtracted in 200 components = 0.00134892 Jy ! Clean residual min=-0.004081 max=0.003804 Jy/beam ! Clean residual mean=0.000080 rms=0.001192 Jy/beam ! Combined flux in latest and established models = 1.03521 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 47 components and 1.03521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296286Jy sigma=0.002376 ! Fit after self-cal, rms=0.296296Jy sigma=0.002376 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = 0.000197652 Jy ! Component: 100 - total flux cleaned = 0.000273809 Jy ! Component: 150 - total flux cleaned = 0.000319524 Jy ! Component: 200 - total flux cleaned = 0.000340331 Jy ! Total flux subtracted in 200 components = 0.000340331 Jy ! Clean residual min=-0.004063 max=0.003754 Jy/beam ! Clean residual mean=0.000077 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 1.03555 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 48 components and 1.03555 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296292Jy sigma=0.002376 ! Fit after self-cal, rms=0.296291Jy sigma=0.002376 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.296291Jy sigma=0.002376 ! Fit after self-cal, rms=0.296239Jy sigma=0.002376 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.048 mas, bmaj=3.839 mas, bpa=-2.761 degrees ! Estimated noise=726.056 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010621 Jy ! Component: 100 - total flux cleaned = 0.00131494 Jy ! Component: 150 - total flux cleaned = 0.0013781 Jy ! Component: 200 - total flux cleaned = 0.00142063 Jy ! Total flux subtracted in 200 components = 0.00142063 Jy ! Clean residual min=-0.004097 max=0.003818 Jy/beam ! Clean residual mean=0.000122 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 1.03697 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 49 components and 1.03697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296237Jy sigma=0.002376 ! Fit after self-cal, rms=0.296236Jy sigma=0.002376 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = 6.80814e-05 Jy ! Component: 100 - total flux cleaned = 9.7241e-05 Jy ! Component: 150 - total flux cleaned = 0.000146797 Jy ! Component: 200 - total flux cleaned = 0.000179758 Jy ! Total flux subtracted in 200 components = 0.000179758 Jy ! Clean residual min=-0.004095 max=0.003811 Jy/beam ! Clean residual mean=0.000119 rms=0.001424 Jy/beam ! Combined flux in latest and established models = 1.03715 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 49 components and 1.03715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296234Jy sigma=0.002376 ! Fit after self-cal, rms=0.296237Jy sigma=0.002376 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8645 mas, bmaj=2.319 mas, bpa=-5.38 degrees ! Estimated noise=580.577 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8645 x 2.319 at -5.38 degrees (North through East) ! Clean map min=-0.0037219 max=0.99077 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=0.296237Jy sigma=0.002376 ! Fit after self-cal, rms=0.332307Jy sigma=0.002210 ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8643 mas, bmaj=2.318 mas, bpa=-5.369 degrees ! Estimated noise=580.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000203566 Jy ! Component: 100 - total flux cleaned = 0.000254603 Jy ! Component: 150 - total flux cleaned = 0.000301419 Jy ! Component: 200 - total flux cleaned = 0.00032152 Jy ! Total flux subtracted in 200 components = 0.00032152 Jy ! Clean residual min=-0.004134 max=0.003947 Jy/beam ! Clean residual mean=0.000048 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 1.03747 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 50 components and 1.03747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332306Jy sigma=0.002210 ! Fit after self-cal, rms=0.332307Jy sigma=0.002210 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.27989e-05 Jy ! Component: 100 - total flux cleaned = 5.46894e-05 Jy ! Component: 150 - total flux cleaned = 7.47019e-05 Jy ! Component: 200 - total flux cleaned = 7.40098e-05 Jy ! Total flux subtracted in 200 components = 7.40098e-05 Jy ! Clean residual min=-0.004111 max=0.003917 Jy/beam ! Clean residual mean=0.000047 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 1.03754 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 1.03754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332308Jy sigma=0.002210 ! Fit after self-cal, rms=0.332308Jy sigma=0.002210 ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332308Jy sigma=0.002210 ! Fit after self-cal, rms=0.332678Jy sigma=0.002210 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 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7211 mas, bmaj=1.808 mas, bpa=-2.483 degrees ! Estimated noise=1420.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.76286 Jy ! Component: 100 - total flux cleaned = 0.930351 Jy ! Component: 150 - total flux cleaned = 0.975923 Jy ! Component: 200 - total flux cleaned = 0.998041 Jy ! Total flux subtracted in 200 components = 0.998041 Jy ! Clean residual min=-0.015314 max=0.016331 Jy/beam ! Clean residual mean=0.000166 rms=0.004839 Jy/beam ! Combined flux in latest and established models = 0.998042 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 0.998042 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8643 mas, bmaj=2.318 mas, bpa=-5.364 degrees ! Estimated noise=580.711 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 = 0.0204677 Jy ! Component: 100 - total flux cleaned = 0.0299329 Jy ! Component: 150 - total flux cleaned = 0.0351568 Jy ! Component: 200 - total flux cleaned = 0.0375372 Jy ! Total flux subtracted in 200 components = 0.0375372 Jy ! Clean residual min=-0.004184 max=0.004199 Jy/beam ! Clean residual mean=0.000065 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 1.03558 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 36 components and 1.03558 Jy ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.048 mas, bmaj=3.838 mas, bpa=-2.759 degrees ! Estimated noise=726.546 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00214751 Jy ! Component: 100 - total flux cleaned = 0.00290435 Jy ! Component: 150 - total flux cleaned = 0.00309975 Jy ! Component: 200 - total flux cleaned = 0.00312674 Jy ! Total flux subtracted in 200 components = 0.00312674 Jy ! Clean residual min=-0.004377 max=0.003886 Jy/beam ! Clean residual mean=0.000068 rms=0.001446 Jy/beam ! Combined flux in latest and established models = 1.03871 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 = 1.64362e-05 Jy ! Component: 100 - total flux cleaned = 3.11394e-05 Jy ! Component: 150 - total flux cleaned = 4.55474e-05 Jy ! Component: 200 - total flux cleaned = 5.92759e-05 Jy ! Total flux subtracted in 200 components = 5.92759e-05 Jy ! Clean residual min=-0.004387 max=0.003891 Jy/beam ! Clean residual mean=0.000067 rms=0.001445 Jy/beam ! Combined flux in latest and established models = 1.03876 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 46 components and 1.03876 Jy ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8643 mas, bmaj=2.318 mas, bpa=-5.364 degrees ! Estimated noise=580.711 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000404269 Jy ! Component: 100 - total flux cleaned = -0.000455896 Jy ! Component: 150 - total flux cleaned = -0.000605164 Jy ! Component: 200 - total flux cleaned = -0.000732574 Jy ! Total flux subtracted in 200 components = -0.000732574 Jy ! Clean residual min=-0.004050 max=0.004086 Jy/beam ! Clean residual mean=0.000042 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 1.03803 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 49 components and 1.03803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332776Jy sigma=0.002210 ! Fit after self-cal, rms=0.332757Jy sigma=0.002210 wmodel J0050-0929_X_1998_10_01_pus_map.mod ! Writing 49 model components to file: J0050-0929_X_1998_10_01_pus_map.mod wobs J0050-0929_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0050-0929_X_1998_10_01_pus_uvs.fits wwins J0050-0929_X_1998_10_01_pus_map.win ! wwins: Wrote 1 windows to J0050-0929_X_1998_10_01_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 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000592162 Jy ! Component: 100 - total flux cleaned = -0.00108485 Jy ! Component: 150 - total flux cleaned = -0.00121703 Jy ! Component: 200 - total flux cleaned = -0.00115155 Jy ! Component: 250 - total flux cleaned = -0.00121116 Jy ! Component: 300 - total flux cleaned = -0.00109202 Jy ! Component: 350 - total flux cleaned = -0.00109212 Jy ! Component: 400 - total flux cleaned = -0.000869342 Jy ! Component: 450 - total flux cleaned = -0.000815174 Jy ! Component: 500 - total flux cleaned = -0.000708351 Jy ! Component: 550 - total flux cleaned = -0.000655631 Jy ! Component: 600 - total flux cleaned = -0.000604367 Jy ! Component: 650 - total flux cleaned = -0.000554053 Jy ! Component: 700 - total flux cleaned = -0.000653937 Jy ! Component: 750 - total flux cleaned = -0.000703156 Jy ! Component: 800 - total flux cleaned = -0.000799828 Jy ! Component: 850 - total flux cleaned = -0.000989135 Jy ! Component: 900 - total flux cleaned = -0.00103565 Jy ! Component: 950 - total flux cleaned = -0.00103622 Jy ! Component: 1000 - total flux cleaned = -0.00112708 Jy ! Total flux subtracted in 1024 components = -0.0011269 Jy ! Clean residual min=-0.002792 max=0.002431 Jy/beam ! Clean residual mean=0.000012 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 1.03691 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 115 components and 1.03691 Jy ![Exited script file: muppet] wmap "J0050-0929_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8643 x 2.318 at -5.364 degrees (North through East) ! Clean map min=-0.0036434 max=0.99173 Jy/beam ! Writing clean map to FITS file: J0050-0929_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.991734 invert ! Inverting map ! Your choice of large map pixels excluded 0.611% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000926019 device "J0050-0929_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0050-0929_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.280121 0.280121 0.560242 1.12048 2.24097 4.48194 8.96388 17.9278 35.8555 71.711 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.991 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8643 x 2.318 at -5.364 degrees (North through East) ! Clean map min=-0.0036434 max=0.99173 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0050-0929_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0050-0929_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0050-0929_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 14:49:13 2008