! Started logfile: J0121+0422_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:21:51 2013 obs J0121+0422_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0121+0422_X_2000_03_13_pus_uva.fits ! AN table 1: 24 integrations on 190 of 190 possible baselines. ! AN table 2: 59 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0618263 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0121+0422 ! ! 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 2382 lines of history. ! ! Reading 3900 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 ![@muppet J0121+0422_X_2000_03_13_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 = 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 300 telescope corrections were flagged in sub-array 1. ! A total of 1147 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 300 telescope corrections were flagged in sub-array 1. ! A total of 1147 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 300 telescope corrections were flagged in sub-array 1. ! A total of 1147 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 300 telescope corrections were flagged in sub-array 1. ! A total of 1147 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.569921Jy sigma=0.004899 ! Fit after self-cal, rms=0.496683Jy sigma=0.004180 ! 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 0.895% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6806 mas, bmaj=1.468 mas, bpa=-1.896 degrees ! Estimated noise=1524.35 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 = 0.559339 Jy ! Component: 100 - total flux cleaned = 0.806907 Jy ! Total flux subtracted in 100 components = 0.806907 Jy ! Clean residual min=-0.030865 max=0.115102 Jy/beam ! Clean residual mean=0.000070 rms=0.015258 Jy/beam ! Combined flux in latest and established models = 0.806907 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.806907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247574Jy sigma=0.002605 ! Fit after self-cal, rms=0.246338Jy sigma=0.002599 ! Inverting map ! Your choice of large map pixels excluded 0.895% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127816 Jy ! Component: 100 - total flux cleaned = 0.199438 Jy ! Total flux subtracted in 100 components = 0.199438 Jy ! Clean residual min=-0.017267 max=0.040749 Jy/beam ! Clean residual mean=0.000044 rms=0.006976 Jy/beam ! Combined flux in latest and established models = 1.00634 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 1.00634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169718Jy sigma=0.001574 ! Fit after self-cal, rms=0.169217Jy sigma=0.001573 ! Inverting map ! Your choice of large map pixels excluded 0.895% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.895% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7573 mas, bmaj=1.666 mas, bpa=-5.665 degrees ! Estimated noise=1225.59 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 = 0.058979 Jy ! Component: 100 - total flux cleaned = 0.0942055 Jy ! Component: 150 - total flux cleaned = 0.117003 Jy ! Component: 200 - total flux cleaned = 0.131938 Jy ! Total flux subtracted in 200 components = 0.131938 Jy ! Clean residual min=-0.010989 max=0.016401 Jy/beam ! Clean residual mean=0.000049 rms=0.003405 Jy/beam ! Combined flux in latest and established models = 1.13828 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 40 components and 1.13828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151696Jy sigma=0.001268 ! Fit after self-cal, rms=0.151506Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 0.895% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 GC 1.00 KP 0.99 ! LA 1.00 NL 0.98 OV 0.98 PT 1.03 ! SC 1.10 WF 1.09 HH 1.00* KK 1.02 ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.94 GC 0.99 KP 0.97 ! LA 0.96 NL 1.01 OV 0.97 PT 0.98 ! SC 1.07 WF 1.07 HH 1.00* KK 1.05 ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 GC 1.01 KP 1.00 ! LA 0.96 NL 0.99 OV 0.97 PT 1.00 ! SC 1.17 WF 1.15 HH 1.00* KK 1.05 ! MA 1.00* MC 1.00* MK 1.00 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.02 KP 0.99 ! LA 0.98 NL 0.98 OV 0.99 PT 1.02 ! SC 1.13 WF 1.07 HH 1.00* KK 1.03 ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.151506Jy sigma=0.001267 ! Fit after self-cal, rms=0.153201Jy sigma=0.001209 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7737 mas, bmaj=1.744 mas, bpa=-6.589 degrees ! Estimated noise=1253.72 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 = -0.00222007 Jy ! Component: 100 - total flux cleaned = -0.00255675 Jy ! Component: 150 - total flux cleaned = -0.00299878 Jy ! Component: 200 - total flux cleaned = -0.00322151 Jy ! Total flux subtracted in 200 components = -0.00322151 Jy ! Clean residual min=-0.007776 max=0.009190 Jy/beam ! Clean residual mean=0.000023 rms=0.001929 Jy/beam ! Combined flux in latest and established models = 1.13506 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.13506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153002Jy sigma=0.001208 ! Fit after self-cal, rms=0.153099Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.153099Jy sigma=0.001208 ! Fit after self-cal, rms=0.153243Jy sigma=0.001207 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7748 mas, bmaj=1.743 mas, bpa=-6.485 degrees ! Estimated noise=1254.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00128977 Jy ! Component: 100 - total flux cleaned = -0.00144481 Jy ! Component: 150 - total flux cleaned = -0.00164941 Jy ! Component: 200 - total flux cleaned = -0.00177235 Jy ! Total flux subtracted in 200 components = -0.00177235 Jy ! Clean residual min=-0.007689 max=0.008937 Jy/beam ! Clean residual mean=0.000025 rms=0.001890 Jy/beam ! Combined flux in latest and established models = 1.13329 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 1.13329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153155Jy sigma=0.001206 ! Fit after self-cal, rms=0.153146Jy sigma=0.001206 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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) ! Added new window around map position (-3.2, 7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00798805 Jy ! Component: 100 - total flux cleaned = 0.00924058 Jy ! Component: 150 - total flux cleaned = 0.00989439 Jy ! Component: 200 - total flux cleaned = 0.0102236 Jy ! Total flux subtracted in 200 components = 0.0102236 Jy ! Clean residual min=-0.006511 max=0.006675 Jy/beam ! Clean residual mean=0.000028 rms=0.001667 Jy/beam ! Combined flux in latest and established models = 1.14351 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 1.14351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152669Jy sigma=0.001201 ! Fit after self-cal, rms=0.152612Jy sigma=0.001201 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.152612Jy sigma=0.001201 ! Fit after self-cal, rms=0.152279Jy sigma=0.001200 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7749 mas, bmaj=1.741 mas, bpa=-6.423 degrees ! Estimated noise=1253.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00237457 Jy ! Component: 100 - total flux cleaned = 0.00292939 Jy ! Component: 150 - total flux cleaned = 0.00341416 Jy ! Component: 200 - total flux cleaned = 0.00377577 Jy ! Total flux subtracted in 200 components = 0.00377577 Jy ! Clean residual min=-0.006231 max=0.006144 Jy/beam ! Clean residual mean=0.000027 rms=0.001611 Jy/beam ! Combined flux in latest and established models = 1.14729 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 72 components and 1.14729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152147Jy sigma=0.001199 ! Fit after self-cal, rms=0.152132Jy sigma=0.001199 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 = 0.000530762 Jy ! Component: 100 - total flux cleaned = 0.000657698 Jy ! Component: 150 - total flux cleaned = 0.000833827 Jy ! Component: 200 - total flux cleaned = 0.000890148 Jy ! Total flux subtracted in 200 components = 0.000890148 Jy ! Clean residual min=-0.006271 max=0.006044 Jy/beam ! Clean residual mean=0.000027 rms=0.001599 Jy/beam ! Combined flux in latest and established models = 1.14818 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 1.14818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152082Jy sigma=0.001199 ! Fit after self-cal, rms=0.152076Jy sigma=0.001199 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.152076Jy sigma=0.001199 ! Fit after self-cal, rms=0.151708Jy sigma=0.001199 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.134 mas, bmaj=3.001 mas, bpa=10.31 degrees ! Estimated noise=1584.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141825 Jy ! Component: 100 - total flux cleaned = 0.00198005 Jy ! Component: 150 - total flux cleaned = 0.00212802 Jy ! Component: 200 - total flux cleaned = 0.00206724 Jy ! Total flux subtracted in 200 components = 0.00206724 Jy ! Clean residual min=-0.007125 max=0.007061 Jy/beam ! Clean residual mean=0.000057 rms=0.002236 Jy/beam ! Combined flux in latest and established models = 1.15025 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 77 components and 1.15025 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151805Jy sigma=0.001199 ! Fit after self-cal, rms=0.151746Jy sigma=0.001199 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 = -6.14315e-05 Jy ! Component: 100 - total flux cleaned = -0.000294404 Jy ! Component: 150 - total flux cleaned = -0.000479962 Jy ! Component: 200 - total flux cleaned = -0.000535026 Jy ! Total flux subtracted in 200 components = -0.000535026 Jy ! Clean residual min=-0.007073 max=0.007060 Jy/beam ! Clean residual mean=0.000056 rms=0.002215 Jy/beam ! Combined flux in latest and established models = 1.14971 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 79 components and 1.14971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151867Jy sigma=0.001199 ! Fit after self-cal, rms=0.151819Jy sigma=0.001199 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7746 mas, bmaj=1.74 mas, bpa=-6.389 degrees ! Estimated noise=1252.2 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7746 x 1.74 at -6.389 degrees (North through East) ! Clean map min=-0.0051793 max=0.73964 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=0.151819Jy sigma=0.001199 ! Fit after self-cal, rms=0.147008Jy sigma=0.001136 ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7739 mas, bmaj=1.737 mas, bpa=-6.253 degrees ! Estimated noise=1252.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000199929 Jy ! Component: 100 - total flux cleaned = 0.000599995 Jy ! Component: 150 - total flux cleaned = 0.000882234 Jy ! Component: 200 - total flux cleaned = 0.00101237 Jy ! Total flux subtracted in 200 components = 0.00101237 Jy ! Clean residual min=-0.005907 max=0.006269 Jy/beam ! Clean residual mean=0.000024 rms=0.001559 Jy/beam ! Combined flux in latest and established models = 1.15072 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 87 components and 1.15072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146910Jy sigma=0.001135 ! Fit after self-cal, rms=0.146913Jy sigma=0.001135 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000104198 Jy ! Component: 100 - total flux cleaned = 0.000340272 Jy ! Component: 150 - total flux cleaned = 0.000507347 Jy ! Component: 200 - total flux cleaned = 0.00066329 Jy ! Total flux subtracted in 200 components = 0.00066329 Jy ! Clean residual min=-0.005913 max=0.006027 Jy/beam ! Clean residual mean=0.000024 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 1.15139 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 88 components and 1.15139 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146862Jy sigma=0.001135 ! Fit after self-cal, rms=0.146862Jy sigma=0.001135 ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146862Jy sigma=0.001135 ! Fit after self-cal, rms=0.146825Jy sigma=0.001135 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 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.6895 mas, bmaj=1.52 mas, bpa=-2.815 degrees ! Estimated noise=1574.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.569374 Jy ! Component: 100 - total flux cleaned = 0.816007 Jy ! Component: 150 - total flux cleaned = 0.940477 Jy ! Component: 200 - total flux cleaned = 1.00781 Jy ! Total flux subtracted in 200 components = 1.00781 Jy ! Clean residual min=-0.014126 max=0.035004 Jy/beam ! Clean residual mean=0.000026 rms=0.005575 Jy/beam ! Combined flux in latest and established models = 1.00781 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 12 model components to the UV plane model. ! The established model now contains 12 components and 1.00781 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7741 mas, bmaj=1.737 mas, bpa=-6.275 degrees ! Estimated noise=1252.4 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 = 0.0508115 Jy ! Component: 100 - total flux cleaned = 0.079129 Jy ! Component: 150 - total flux cleaned = 0.0968778 Jy ! Component: 200 - total flux cleaned = 0.109343 Jy ! Total flux subtracted in 200 components = 0.109343 Jy ! Clean residual min=-0.007104 max=0.013768 Jy/beam ! Clean residual mean=0.000022 rms=0.002190 Jy/beam ! Combined flux in latest and established models = 1.11715 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 43 components and 1.11715 Jy ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (1, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119275 Jy ! Component: 100 - total flux cleaned = 0.0188317 Jy ! Component: 150 - total flux cleaned = 0.0232521 Jy ! Component: 200 - total flux cleaned = 0.0256763 Jy ! Total flux subtracted in 200 components = 0.0256763 Jy ! Clean residual min=-0.005751 max=0.006038 Jy/beam ! Clean residual mean=0.000023 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 1.14282 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 57 components and 1.14282 Jy ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.134 mas, bmaj=3 mas, bpa=10.45 degrees ! Estimated noise=1586.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00536731 Jy ! Component: 100 - total flux cleaned = 0.00847839 Jy ! Component: 150 - total flux cleaned = 0.00932668 Jy ! Component: 200 - total flux cleaned = 0.00946194 Jy ! Total flux subtracted in 200 components = 0.00946194 Jy ! Clean residual min=-0.005809 max=0.006508 Jy/beam ! Clean residual mean=0.000050 rms=0.002009 Jy/beam ! Combined flux in latest and established models = 1.15229 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 = 5.52223e-07 Jy ! Component: 100 - total flux cleaned = 0.000104033 Jy ! Component: 150 - total flux cleaned = 0.000153359 Jy ! Component: 200 - total flux cleaned = 0.000244965 Jy ! Total flux subtracted in 200 components = 0.000244965 Jy ! Clean residual min=-0.005806 max=0.006300 Jy/beam ! Clean residual mean=0.000048 rms=0.001982 Jy/beam ! Combined flux in latest and established models = 1.15253 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 82 components and 1.15253 Jy ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7741 mas, bmaj=1.737 mas, bpa=-6.275 degrees ! Estimated noise=1252.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0018976 Jy ! Component: 100 - total flux cleaned = -0.00232305 Jy ! Component: 150 - total flux cleaned = -0.00269214 Jy ! Component: 200 - total flux cleaned = -0.00279764 Jy ! Total flux subtracted in 200 components = -0.00279764 Jy ! Clean residual min=-0.005053 max=0.005522 Jy/beam ! Clean residual mean=0.000019 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 1.14973 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 89 components and 1.14973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146776Jy sigma=0.001133 ! Fit after self-cal, rms=0.146724Jy sigma=0.001132 wmodel J0121+0422_X_2000_03_13_pus_map.mod ! Writing 89 model components to file: J0121+0422_X_2000_03_13_pus_map.mod wobs J0121+0422_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0121+0422_X_2000_03_13_pus_uvs.fits wwins J0121+0422_X_2000_03_13_pus_map.win ! wwins: Wrote 3 windows to J0121+0422_X_2000_03_13_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 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000525541 Jy ! Component: 100 - total flux cleaned = 0.00034506 Jy ! Component: 150 - total flux cleaned = 0.000683102 Jy ! Component: 200 - total flux cleaned = 0.0013349 Jy ! Component: 250 - total flux cleaned = 0.00172675 Jy ! Component: 300 - total flux cleaned = 0.00218221 Jy ! Component: 350 - total flux cleaned = 0.00225583 Jy ! Component: 400 - total flux cleaned = 0.00247207 Jy ! Component: 450 - total flux cleaned = 0.00268295 Jy ! Component: 500 - total flux cleaned = 0.00295823 Jy ! Component: 550 - total flux cleaned = 0.00329423 Jy ! Component: 600 - total flux cleaned = 0.00349152 Jy ! Component: 650 - total flux cleaned = 0.00362165 Jy ! Component: 700 - total flux cleaned = 0.00381307 Jy ! Component: 750 - total flux cleaned = 0.00418759 Jy ! Component: 800 - total flux cleaned = 0.00437069 Jy ! Component: 850 - total flux cleaned = 0.00455073 Jy ! Component: 900 - total flux cleaned = 0.00466976 Jy ! Component: 950 - total flux cleaned = 0.00484667 Jy ! Component: 1000 - total flux cleaned = 0.00507584 Jy ! Component: 1050 - total flux cleaned = 0.0052455 Jy ! Component: 1100 - total flux cleaned = 0.00552341 Jy ! Component: 1150 - total flux cleaned = 0.00546873 Jy ! Component: 1200 - total flux cleaned = 0.0055777 Jy ! Component: 1250 - total flux cleaned = 0.00573884 Jy ! Component: 1300 - total flux cleaned = 0.00579184 Jy ! Component: 1350 - total flux cleaned = 0.00589695 Jy ! Component: 1400 - total flux cleaned = 0.00610332 Jy ! Component: 1450 - total flux cleaned = 0.00615455 Jy ! Component: 1500 - total flux cleaned = 0.0063053 Jy ! Component: 1550 - total flux cleaned = 0.0063543 Jy ! Component: 1600 - total flux cleaned = 0.00640323 Jy ! Component: 1650 - total flux cleaned = 0.00659893 Jy ! Component: 1700 - total flux cleaned = 0.00679199 Jy ! Component: 1750 - total flux cleaned = 0.00693508 Jy ! Component: 1800 - total flux cleaned = 0.00702986 Jy ! Component: 1850 - total flux cleaned = 0.00712367 Jy ! Component: 1900 - total flux cleaned = 0.00721671 Jy ! Component: 1950 - total flux cleaned = 0.00749323 Jy ! Component: 2000 - total flux cleaned = 0.00749267 Jy ! Total flux subtracted in 2048 components = 0.00762774 Jy ! Clean residual min=-0.002916 max=0.002318 Jy/beam ! Clean residual mean=0.000008 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 1.15736 Jy keep ! Adding 121 model components to the UV plane model. ! The established model now contains 210 components and 1.15736 Jy ![Exited script file: muppet] wmap "J0121+0422_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7741 x 1.737 at -6.275 degrees (North through East) ! Clean map min=-0.0039097 max=0.74162 Jy/beam ! Writing clean map to FITS file: J0121+0422_X_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.741622 invert ! Inverting map ! Your choice of large map pixels excluded 0.941% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00080768 device "J0121+0422_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0121+0422_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.326722 0.326722 0.653443 1.30689 2.61377 5.22755 10.4551 20.9102 41.8204 83.6407 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.741 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7741 x 1.737 at -6.275 degrees (North through East) ! Clean map min=-0.0039097 max=0.74162 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0121+0422_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:21:56 2013