! Started logfile: J1727+4530_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:04:01 2013 obs J1727+4530_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J1727+4530_X_2000_03_13_pus_uva.fits ! AN table 1: 213 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.242748 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1727+4530 ! ! 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 39296 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 J1727+4530_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 2434 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2434 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2434 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2434 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.043892Jy sigma=0.007204 ! Fit after self-cal, rms=0.928374Jy sigma=0.006577 ! 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 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5043 mas, bmaj=0.7177 mas, bpa=14.03 degrees ! Estimated noise=975.443 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 = 0.131005 Jy ! Component: 100 - total flux cleaned = 0.170746 Jy ! Total flux subtracted in 100 components = 0.170746 Jy ! Clean residual min=-0.006695 max=0.019319 Jy/beam ! Clean residual mean=0.000045 rms=0.001955 Jy/beam ! Combined flux in latest and established models = 0.170746 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.170746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.491324Jy sigma=0.001324 ! Fit after self-cal, rms=0.491308Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0227407 Jy ! Component: 100 - total flux cleaned = 0.0360174 Jy ! Total flux subtracted in 100 components = 0.0360174 Jy ! Clean residual min=-0.006125 max=0.016896 Jy/beam ! Clean residual mean=0.000032 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 0.206763 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.206763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.488560Jy sigma=0.001268 ! Fit after self-cal, rms=0.488504Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Added new window around map position (-1, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0160859 Jy ! Component: 100 - total flux cleaned = 0.0269774 Jy ! Total flux subtracted in 100 components = 0.0269774 Jy ! Clean residual min=-0.005683 max=0.012004 Jy/beam ! Clean residual mean=0.000024 rms=0.001516 Jy/beam ! Combined flux in latest and established models = 0.233741 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 0.233741 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487263Jy sigma=0.001240 ! Fit after self-cal, rms=0.487076Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Added new window around map position (-1.8, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116082 Jy ! Component: 100 - total flux cleaned = 0.0198596 Jy ! Total flux subtracted in 100 components = 0.0198596 Jy ! Clean residual min=-0.005201 max=0.008928 Jy/beam ! Clean residual mean=0.000019 rms=0.001398 Jy/beam ! Combined flux in latest and established models = 0.2536 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.2536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.486324Jy sigma=0.001224 ! Fit after self-cal, rms=0.486261Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5966 mas, bmaj=0.7833 mas, bpa=14.94 degrees ! Estimated noise=496.215 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 = 0.0147823 Jy ! Component: 100 - total flux cleaned = 0.0244992 Jy ! Component: 150 - total flux cleaned = 0.0312814 Jy ! Component: 200 - total flux cleaned = 0.0361111 Jy ! Total flux subtracted in 200 components = 0.0361111 Jy ! Clean residual min=-0.003632 max=0.007292 Jy/beam ! Clean residual mean=0.000230 rms=0.000933 Jy/beam ! Combined flux in latest and established models = 0.289711 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 47 components and 0.289711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.485219Jy sigma=0.001210 ! Fit after self-cal, rms=0.485130Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Added new window around map position (-2.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00607713 Jy ! Component: 100 - total flux cleaned = 0.00960297 Jy ! Component: 150 - total flux cleaned = 0.0109508 Jy ! Component: 200 - total flux cleaned = 0.0117945 Jy ! Total flux subtracted in 200 components = 0.0117945 Jy ! Clean residual min=-0.003618 max=0.004487 Jy/beam ! Clean residual mean=0.000203 rms=0.000817 Jy/beam ! Combined flux in latest and established models = 0.301506 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 67 components and 0.301506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.484826Jy sigma=0.001208 ! Fit after self-cal, rms=0.484788Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 0.38% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 GC 1.07 KP 1.00 ! LA 1.03 NL 1.02 OV 0.96 PT 1.00 ! SC 0.98 WF 1.09 HH 1.00* KK 1.04 ! MA 1.00 MC 0.99 MK 0.99 NY 0.93 ! ON 0.95 TS 1.02 WZ 0.96 HN 0.46 ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 GC 1.10 KP 1.00 ! LA 0.97 NL 1.07 OV 0.97 PT 0.97 ! SC 0.96 WF 1.08 HH 1.00* KK 1.05 ! MA 0.89 MC 1.05 MK 1.00 NY 1.00 ! ON 1.00 TS 0.99 WZ 0.97 HN 0.46 ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.07 KP 1.04 ! LA 0.96 NL 1.04 OV 0.98 PT 0.99 ! SC 1.00 WF 1.01 HH 1.00* KK 1.03 ! MA 0.93 MC 0.97 MK 1.02 NY 1.04 ! ON 1.02 TS 1.07 WZ 1.03 HN 0.44 ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 GC 1.16 KP 1.01 ! LA 1.00 NL 1.02 OV 0.97 PT 1.03 ! SC 1.06 WF 1.06 HH 1.00* KK 1.08 ! MA 0.92 MC 1.02 MK 1.04 NY 1.03 ! ON 0.96 TS 1.11 WZ 1.00 HN 0.48 ! ! ! Fit before self-cal, rms=0.484788Jy sigma=0.001207 ! Fit after self-cal, rms=0.277417Jy sigma=0.001203 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5964 mas, bmaj=0.7937 mas, bpa=15.34 degrees ! Estimated noise=498.348 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 = 0.000294642 Jy ! Component: 100 - total flux cleaned = 0.000542122 Jy ! Component: 150 - total flux cleaned = 0.000595784 Jy ! Component: 200 - total flux cleaned = 0.00064331 Jy ! Total flux subtracted in 200 components = 0.00064331 Jy ! Clean residual min=-0.002978 max=0.002719 Jy/beam ! Clean residual mean=0.000032 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.302149 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.302149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277379Jy sigma=0.001203 ! Fit after self-cal, rms=0.276885Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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=0.276885Jy sigma=0.001203 ! Fit after self-cal, rms=0.280383Jy sigma=0.001200 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5982 mas, bmaj=0.7942 mas, bpa=14.62 degrees ! Estimated noise=500.313 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000644292 Jy ! Component: 100 - total flux cleaned = 0.000833818 Jy ! Component: 150 - total flux cleaned = 0.000829323 Jy ! Component: 200 - total flux cleaned = 0.000765697 Jy ! Total flux subtracted in 200 components = 0.000765697 Jy ! Clean residual min=-0.002705 max=0.002366 Jy/beam ! Clean residual mean=-0.000007 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.302915 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 0.302915 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280368Jy sigma=0.001200 ! Fit after self-cal, rms=0.280370Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 = 0.000442189 Jy ! Component: 100 - total flux cleaned = 0.00054054 Jy ! Component: 150 - total flux cleaned = 0.000512011 Jy ! Component: 200 - total flux cleaned = 0.000485939 Jy ! Total flux subtracted in 200 components = 0.000485939 Jy ! Clean residual min=-0.002673 max=0.002351 Jy/beam ! Clean residual mean=0.000015 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.303401 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 91 components and 0.303401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280360Jy sigma=0.001200 ! Fit after self-cal, rms=0.280361Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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=0.280361Jy sigma=0.001200 ! Fit after self-cal, rms=0.280509Jy sigma=0.001200 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.599 mas, bmaj=0.7946 mas, bpa=14.45 degrees ! Estimated noise=501.299 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000498894 Jy ! Component: 100 - total flux cleaned = 0.000532854 Jy ! Component: 150 - total flux cleaned = 0.0005607 Jy ! Component: 200 - total flux cleaned = 0.000536296 Jy ! Total flux subtracted in 200 components = 0.000536296 Jy ! Clean residual min=-0.002640 max=0.002339 Jy/beam ! Clean residual mean=0.000006 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.303937 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 94 components and 0.303937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280501Jy sigma=0.001200 ! Fit after self-cal, rms=0.280497Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 = 0.000206874 Jy ! Component: 100 - total flux cleaned = 0.00020788 Jy ! Component: 150 - total flux cleaned = 0.000185919 Jy ! Component: 200 - total flux cleaned = 0.000165764 Jy ! Total flux subtracted in 200 components = 0.000165764 Jy ! Clean residual min=-0.002621 max=0.002322 Jy/beam ! Clean residual mean=0.000009 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.304103 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 95 components and 0.304103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280491Jy sigma=0.001200 ! Fit after self-cal, rms=0.280490Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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=0.280490Jy sigma=0.001200 ! Fit after self-cal, rms=0.280583Jy sigma=0.001200 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=2.393 mas, bmaj=3.427 mas, bpa=65.69 degrees ! Estimated noise=803.925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00014482 Jy ! Component: 100 - total flux cleaned = 0.000117912 Jy ! Component: 150 - total flux cleaned = 4.5051e-05 Jy ! Component: 200 - total flux cleaned = -1.80154e-05 Jy ! Total flux subtracted in 200 components = -1.80154e-05 Jy ! Clean residual min=-0.002991 max=0.003509 Jy/beam ! Clean residual mean=0.000036 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.304085 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 95 components and 0.304085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280576Jy sigma=0.001200 ! Fit after self-cal, rms=0.280574Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 = 9.33736e-05 Jy ! Component: 100 - total flux cleaned = 5.44518e-05 Jy ! Component: 150 - total flux cleaned = 1.95801e-05 Jy ! Component: 200 - total flux cleaned = -2.7952e-05 Jy ! Total flux subtracted in 200 components = -2.7952e-05 Jy ! Clean residual min=-0.002951 max=0.003508 Jy/beam ! Clean residual mean=0.000038 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.304057 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 99 components and 0.304057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280571Jy sigma=0.001200 ! Fit after self-cal, rms=0.280570Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5995 mas, bmaj=0.7949 mas, bpa=14.36 degrees ! Estimated noise=502.141 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5995 x 0.7949 at 14.36 degrees (North through East) ! Clean map min=-0.0020744 max=0.17283 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 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 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5044 mas, bmaj=0.727 mas, bpa=12.69 degrees ! Estimated noise=999.694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.132487 Jy ! Component: 100 - total flux cleaned = 0.175892 Jy ! Component: 150 - total flux cleaned = 0.203339 Jy ! Component: 200 - total flux cleaned = 0.222408 Jy ! Total flux subtracted in 200 components = 0.222408 Jy ! Clean residual min=-0.006169 max=0.010893 Jy/beam ! Clean residual mean=0.000030 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 0.222408 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.222408 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5995 mas, bmaj=0.7949 mas, bpa=14.36 degrees ! Estimated noise=502.141 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 = 0.0260272 Jy ! Component: 100 - total flux cleaned = 0.0425106 Jy ! Component: 150 - total flux cleaned = 0.0536969 Jy ! Component: 200 - total flux cleaned = 0.0615594 Jy ! Total flux subtracted in 200 components = 0.0615594 Jy ! Clean residual min=-0.003224 max=0.005191 Jy/beam ! Clean residual mean=0.000106 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.283968 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 45 components and 0.283968 Jy ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Added new window around map position (-1, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00576916 Jy ! Component: 100 - total flux cleaned = 0.00986959 Jy ! Component: 150 - total flux cleaned = 0.012907 Jy ! Component: 200 - total flux cleaned = 0.0151788 Jy ! Total flux subtracted in 200 components = 0.0151788 Jy ! Clean residual min=-0.002707 max=0.002461 Jy/beam ! Clean residual mean=0.000032 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.299147 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 64 components and 0.299147 Jy ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 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 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=2.393 mas, bmaj=3.427 mas, bpa=65.69 degrees ! Estimated noise=803.925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336044 Jy ! Component: 100 - total flux cleaned = 0.00468701 Jy ! Component: 150 - total flux cleaned = 0.00487025 Jy ! Component: 200 - total flux cleaned = 0.00492019 Jy ! Total flux subtracted in 200 components = 0.00492019 Jy ! Clean residual min=-0.002867 max=0.003477 Jy/beam ! Clean residual mean=0.000036 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 0.304067 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 = 4.2783e-05 Jy ! Component: 100 - total flux cleaned = 7.98688e-05 Jy ! Component: 150 - total flux cleaned = 8.01631e-05 Jy ! Component: 200 - total flux cleaned = 7.9759e-05 Jy ! Total flux subtracted in 200 components = 7.9759e-05 Jy ! Clean residual min=-0.002887 max=0.003484 Jy/beam ! Clean residual mean=0.000034 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 0.304147 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 80 components and 0.304147 Jy ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! Estimated beam: bmin=0.5995 mas, bmaj=0.7949 mas, bpa=14.36 degrees ! Estimated noise=502.141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000214831 Jy ! Component: 100 - total flux cleaned = 0.000254478 Jy ! Component: 150 - total flux cleaned = 0.00025295 Jy ! Component: 200 - total flux cleaned = 0.000251628 Jy ! Total flux subtracted in 200 components = 0.000251628 Jy ! Clean residual min=-0.002541 max=0.002366 Jy/beam ! Clean residual mean=0.000007 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.304398 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 0.304398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280570Jy sigma=0.001200 ! Fit after self-cal, rms=0.280579Jy sigma=0.001200 wmodel J1727+4530_X_2000_03_13_pus_map.mod ! Writing 90 model components to file: J1727+4530_X_2000_03_13_pus_map.mod wobs J1727+4530_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J1727+4530_X_2000_03_13_pus_uvs.fits wwins J1727+4530_X_2000_03_13_pus_map.win ! wwins: Wrote 5 windows to J1727+4530_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 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000524779 Jy ! Component: 100 - total flux cleaned = -0.000609383 Jy ! Component: 150 - total flux cleaned = -0.000608557 Jy ! Component: 200 - total flux cleaned = -0.000529361 Jy ! Component: 250 - total flux cleaned = -0.000644026 Jy ! Component: 300 - total flux cleaned = -0.000643592 Jy ! Component: 350 - total flux cleaned = -0.000533881 Jy ! Component: 400 - total flux cleaned = -0.000498423 Jy ! Component: 450 - total flux cleaned = -0.000427735 Jy ! Component: 500 - total flux cleaned = -0.000358853 Jy ! Component: 550 - total flux cleaned = -0.000325062 Jy ! Component: 600 - total flux cleaned = -0.000359132 Jy ! Component: 650 - total flux cleaned = -0.000392559 Jy ! Component: 700 - total flux cleaned = -0.000392636 Jy ! Component: 750 - total flux cleaned = -0.000457991 Jy ! Component: 800 - total flux cleaned = -0.000457925 Jy ! Component: 850 - total flux cleaned = -0.00049012 Jy ! Component: 900 - total flux cleaned = -0.000584912 Jy ! Component: 950 - total flux cleaned = -0.000521806 Jy ! Component: 1000 - total flux cleaned = -0.000521481 Jy ! Component: 1050 - total flux cleaned = -0.000459775 Jy ! Component: 1100 - total flux cleaned = -0.000490891 Jy ! Component: 1150 - total flux cleaned = -0.000460282 Jy ! Component: 1200 - total flux cleaned = -0.000520815 Jy ! Component: 1250 - total flux cleaned = -0.000370493 Jy ! Component: 1300 - total flux cleaned = -0.000490106 Jy ! Component: 1350 - total flux cleaned = -0.000400777 Jy ! Component: 1400 - total flux cleaned = -0.000371126 Jy ! Component: 1450 - total flux cleaned = -0.000312494 Jy ! Component: 1500 - total flux cleaned = -0.000254056 Jy ! Component: 1550 - total flux cleaned = -0.000196302 Jy ! Component: 1600 - total flux cleaned = -8.11421e-05 Jy ! Component: 1650 - total flux cleaned = -8.10529e-05 Jy ! Component: 1700 - total flux cleaned = -5.2747e-05 Jy ! Component: 1750 - total flux cleaned = -5.28405e-05 Jy ! Component: 1800 - total flux cleaned = 3.13037e-05 Jy ! Component: 1850 - total flux cleaned = 3.1469e-05 Jy ! Component: 1900 - total flux cleaned = 3.77616e-06 Jy ! Component: 1950 - total flux cleaned = 0.000142282 Jy ! Component: 2000 - total flux cleaned = 3.22898e-05 Jy ! Total flux subtracted in 2048 components = 8.71867e-05 Jy ! Clean residual min=-0.001740 max=0.001396 Jy/beam ! Clean residual mean=0.000009 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.304486 Jy keep ! Adding 173 model components to the UV plane model. ! The established model now contains 263 components and 0.304486 Jy ![Exited script file: muppet] wmap "J1727+4530_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5995 x 0.7949 at 14.36 degrees (North through East) ! Clean map min=-0.0021397 max=0.17166 Jy/beam ! Writing clean map to FITS file: J1727+4530_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 0.171662 invert ! Inverting map ! Your choice of large map pixels excluded 0.382% of the data. ! The x-axis pixel size should ideally be below 0.1855 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000475382 device "J1727+4530_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1727+4530_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.830785 0.830785 1.66157 3.32314 6.64628 13.2926 26.5851 53.1702 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.171 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5995 x 0.7949 at 14.36 degrees (North through East) ! Clean map min=-0.0021397 max=0.17166 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1727+4530_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:04:12 2013