! Started logfile: J0742+4900_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:40:04 2011 obs J0742+4900_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J0742+4900_X_2010_06_23_pus_uva.fits ! AN table 1: 353 integrations on 105 of 105 possible baselines. ! AN table 2: 9 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.367535 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0742+4900 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 55880 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 J0742+4900_X_2010_06_23_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 2460 telescope corrections were flagged in sub-array 1. ! A total of 135 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2639 telescope corrections were flagged in sub-array 1. ! A total of 135 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2460 telescope corrections were flagged in sub-array 1. ! A total of 135 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2460 telescope corrections were flagged in sub-array 1. ! A total of 135 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.818899Jy sigma=0.009023 ! Fit after self-cal, rms=0.679096Jy sigma=0.007413 ! 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 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.5282 mas, bmaj=0.7395 mas, bpa=-19.48 degrees ! Estimated noise=627.356 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 = 0.254189 Jy ! Component: 100 - total flux cleaned = 0.310273 Jy ! Total flux subtracted in 100 components = 0.310273 Jy ! Clean residual min=-0.005682 max=0.018691 Jy/beam ! Clean residual mean=0.000075 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 0.310273 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.310273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161818Jy sigma=0.001485 ! Fit after self-cal, rms=0.161816Jy sigma=0.001485 ! Inverting map ! Your choice of large map pixels excluded 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0209399 Jy ! Component: 100 - total flux cleaned = 0.0338075 Jy ! Total flux subtracted in 100 components = 0.0338075 Jy ! Clean residual min=-0.005096 max=0.007067 Jy/beam ! Clean residual mean=0.000040 rms=0.001316 Jy/beam ! Combined flux in latest and established models = 0.34408 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.34408 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157457Jy sigma=0.001404 ! Fit after self-cal, rms=0.157472Jy sigma=0.001404 ! Inverting map ! Your choice of large map pixels excluded 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Added new window around map position (0.2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00917006 Jy ! Component: 100 - total flux cleaned = 0.0155751 Jy ! Total flux subtracted in 100 components = 0.0155751 Jy ! Clean residual min=-0.005159 max=0.006360 Jy/beam ! Clean residual mean=0.000024 rms=0.001205 Jy/beam ! Combined flux in latest and established models = 0.359655 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.359655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156486Jy sigma=0.001384 ! Fit after self-cal, rms=0.156490Jy sigma=0.001384 ! Inverting map ! Your choice of large map pixels excluded 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7587 mas, bmaj=0.9684 mas, bpa=-15.5 degrees ! Estimated noise=290.791 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 = 0.0121071 Jy ! Component: 100 - total flux cleaned = 0.0191962 Jy ! Component: 150 - total flux cleaned = 0.023519 Jy ! Component: 200 - total flux cleaned = 0.0261841 Jy ! Total flux subtracted in 200 components = 0.0261841 Jy ! Clean residual min=-0.003421 max=0.004876 Jy/beam ! Clean residual mean=0.000060 rms=0.001037 Jy/beam ! Combined flux in latest and established models = 0.385839 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 34 components and 0.385839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155776Jy sigma=0.001369 ! Fit after self-cal, rms=0.155764Jy sigma=0.001368 ! Inverting map ! Your choice of large map pixels excluded 5.27% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 75 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.02 KK 1.05 ! KP 0.98 LA 0.95 MA 1.00 MK 1.04 ! NL 1.01 NY 1.05 OV 1.00 PT 0.98 ! SC 0.99 TS 0.90 ZC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.01 KK 1.11 ! KP 0.97 LA 0.99 MA 1.00* MK 1.05 ! NL 1.04 NY 1.05 OV 1.02 PT 0.97 ! SC 1.03 TS 0.90 ZC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 75 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.02 KK 1.06 ! KP 0.96 LA 0.97 MA 1.04 MK 1.04 ! NL 0.99 NY 1.07 OV 1.01 PT 0.97 ! SC 0.96 TS 0.92 ZC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 75 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.03 KK 1.01 ! KP 0.98 LA 0.98 MA 1.00 MK 1.03 ! NL 1.01 NY 1.06 OV 1.00 PT 0.97 ! SC 1.00 TS 0.93 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.155764Jy sigma=0.001368 ! Fit after self-cal, rms=0.157407Jy sigma=0.001360 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7631 mas, bmaj=0.9756 mas, bpa=-15.06 degrees ! Estimated noise=290.116 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 = -0.00246979 Jy ! Component: 100 - total flux cleaned = -0.00260236 Jy ! Component: 150 - total flux cleaned = -0.00270684 Jy ! Component: 200 - total flux cleaned = -0.00279292 Jy ! Total flux subtracted in 200 components = -0.00279292 Jy ! Clean residual min=-0.003519 max=0.002925 Jy/beam ! Clean residual mean=-0.000154 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.383047 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 38 components and 0.383047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157342Jy sigma=0.001359 ! Fit after self-cal, rms=0.157399Jy sigma=0.001359 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.157399Jy sigma=0.001359 ! Fit after self-cal, rms=0.158493Jy sigma=0.001348 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7636 mas, bmaj=0.977 mas, bpa=-15.5 degrees ! Estimated noise=289.696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00191016 Jy ! Component: 100 - total flux cleaned = -0.00250146 Jy ! Component: 150 - total flux cleaned = -0.00263997 Jy ! Component: 200 - total flux cleaned = -0.00276159 Jy ! Total flux subtracted in 200 components = -0.00276159 Jy ! Clean residual min=-0.001503 max=0.001524 Jy/beam ! Clean residual mean=0.000039 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.380285 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 0.380285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158462Jy sigma=0.001348 ! Fit after self-cal, rms=0.158478Jy sigma=0.001348 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = -0.000283833 Jy ! Component: 100 - total flux cleaned = -0.000381707 Jy ! Component: 150 - total flux cleaned = -0.000465874 Jy ! Component: 200 - total flux cleaned = -0.000539037 Jy ! Total flux subtracted in 200 components = -0.000539037 Jy ! Clean residual min=-0.001459 max=0.001622 Jy/beam ! Clean residual mean=0.000044 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.379746 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 43 components and 0.379746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158471Jy sigma=0.001347 ! Fit after self-cal, rms=0.158469Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.158469Jy sigma=0.001347 ! Fit after self-cal, rms=0.159092Jy sigma=0.001347 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7646 mas, bmaj=0.9798 mas, bpa=-15.59 degrees ! Estimated noise=289.726 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00121968 Jy ! Component: 100 - total flux cleaned = -0.00147033 Jy ! Component: 150 - total flux cleaned = -0.00162808 Jy ! Component: 200 - total flux cleaned = -0.00174359 Jy ! Total flux subtracted in 200 components = -0.00174359 Jy ! Clean residual min=-0.001437 max=0.001617 Jy/beam ! Clean residual mean=0.000049 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.378002 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 45 components and 0.378002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159078Jy sigma=0.001347 ! Fit after self-cal, rms=0.159083Jy sigma=0.001347 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = -0.000112951 Jy ! Component: 100 - total flux cleaned = -0.000168926 Jy ! Component: 150 - total flux cleaned = -0.000251461 Jy ! Component: 200 - total flux cleaned = -0.000309161 Jy ! Total flux subtracted in 200 components = -0.000309161 Jy ! Clean residual min=-0.001438 max=0.001670 Jy/beam ! Clean residual mean=0.000052 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.377693 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.377693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159078Jy sigma=0.001347 ! Fit after self-cal, rms=0.159078Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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=0.159078Jy sigma=0.001347 ! Fit after self-cal, rms=0.159571Jy sigma=0.001347 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=2.324 mas, bmaj=2.765 mas, bpa=61.1 degrees ! Estimated noise=367.509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000632241 Jy ! Component: 100 - total flux cleaned = -0.000657706 Jy ! Component: 150 - total flux cleaned = -0.000657773 Jy ! Component: 200 - total flux cleaned = -0.000657219 Jy ! Total flux subtracted in 200 components = -0.000657219 Jy ! Clean residual min=-0.001515 max=0.001596 Jy/beam ! Clean residual mean=0.000111 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.377036 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 45 components and 0.377036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159571Jy sigma=0.001347 ! Fit after self-cal, rms=0.159573Jy sigma=0.001347 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 = 9.39377e-05 Jy ! Component: 100 - total flux cleaned = 0.000110295 Jy ! Component: 150 - total flux cleaned = 0.000109415 Jy ! Component: 200 - total flux cleaned = 0.000110368 Jy ! Total flux subtracted in 200 components = 0.000110368 Jy ! Clean residual min=-0.001498 max=0.001581 Jy/beam ! Clean residual mean=0.000109 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.377146 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 46 components and 0.377146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159575Jy sigma=0.001347 ! Fit after self-cal, rms=0.159575Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7656 mas, bmaj=0.9819 mas, bpa=-15.66 degrees ! Estimated noise=289.737 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7656 x 0.9819 at -15.66 degrees (North through East) ! Clean map min=-0.0011933 max=0.33945 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 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.5272 mas, bmaj=0.7483 mas, bpa=-19.56 degrees ! Estimated noise=619.941 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.256955 Jy ! Component: 100 - total flux cleaned = 0.31351 Jy ! Component: 150 - total flux cleaned = 0.333019 Jy ! Component: 200 - total flux cleaned = 0.344759 Jy ! Total flux subtracted in 200 components = 0.344759 Jy ! Clean residual min=-0.004043 max=0.006210 Jy/beam ! Clean residual mean=0.000041 rms=0.000964 Jy/beam ! Combined flux in latest and established models = 0.344759 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 0.344759 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7656 mas, bmaj=0.9819 mas, bpa=-15.66 degrees ! Estimated noise=289.737 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 = 0.0139339 Jy ! Component: 100 - total flux cleaned = 0.0212586 Jy ! Component: 150 - total flux cleaned = 0.0254372 Jy ! Component: 200 - total flux cleaned = 0.0278787 Jy ! Total flux subtracted in 200 components = 0.0278787 Jy ! Clean residual min=-0.001528 max=0.002424 Jy/beam ! Clean residual mean=0.000086 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.372638 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 36 components and 0.372638 Jy ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Added new window around map position (0.4, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00236875 Jy ! Component: 100 - total flux cleaned = 0.00365073 Jy ! Component: 150 - total flux cleaned = 0.00419674 Jy ! Component: 200 - total flux cleaned = 0.00450558 Jy ! Total flux subtracted in 200 components = 0.00450558 Jy ! Clean residual min=-0.001386 max=0.001504 Jy/beam ! Clean residual mean=0.000041 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.377143 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 0.377143 Jy ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 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 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=2.324 mas, bmaj=2.765 mas, bpa=61.1 degrees ! Estimated noise=367.509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000724946 Jy ! Component: 100 - total flux cleaned = 0.000846263 Jy ! Component: 150 - total flux cleaned = 0.000835897 Jy ! Component: 200 - total flux cleaned = 0.000826543 Jy ! Total flux subtracted in 200 components = 0.000826543 Jy ! Clean residual min=-0.001362 max=0.001606 Jy/beam ! Clean residual mean=0.000087 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.37797 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 = 2.7517e-07 Jy ! Component: 100 - total flux cleaned = -1.55611e-05 Jy ! Component: 150 - total flux cleaned = -3.01278e-05 Jy ! Component: 200 - total flux cleaned = -4.35962e-05 Jy ! Total flux subtracted in 200 components = -4.35962e-05 Jy ! Clean residual min=-0.001353 max=0.001616 Jy/beam ! Clean residual mean=0.000088 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.377926 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 58 components and 0.377926 Jy ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! Estimated beam: bmin=0.7656 mas, bmaj=0.9819 mas, bpa=-15.66 degrees ! Estimated noise=289.737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000174496 Jy ! Component: 100 - total flux cleaned = -0.000214799 Jy ! Component: 150 - total flux cleaned = -0.000232155 Jy ! Component: 200 - total flux cleaned = -0.000215197 Jy ! Total flux subtracted in 200 components = -0.000215197 Jy ! Clean residual min=-0.001355 max=0.001453 Jy/beam ! Clean residual mean=0.000035 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.377711 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 62 components and 0.377711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159549Jy sigma=0.001346 ! Fit after self-cal, rms=0.159537Jy sigma=0.001346 wmodel J0742+4900_X_2010_06_23_pus_map.mod ! Writing 62 model components to file: J0742+4900_X_2010_06_23_pus_map.mod wobs J0742+4900_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J0742+4900_X_2010_06_23_pus_uvs.fits wwins J0742+4900_X_2010_06_23_pus_map.win ! wwins: Wrote 3 windows to J0742+4900_X_2010_06_23_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 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 5.42024e-05 Jy ! Component: 100 - total flux cleaned = 0.000266151 Jy ! Component: 150 - total flux cleaned = 0.000447271 Jy ! Component: 200 - total flux cleaned = 0.000687271 Jy ! Component: 250 - total flux cleaned = 0.000835304 Jy ! Component: 300 - total flux cleaned = 0.000938415 Jy ! Component: 350 - total flux cleaned = 0.000998698 Jy ! Component: 400 - total flux cleaned = 0.00103819 Jy ! Component: 450 - total flux cleaned = 0.00105781 Jy ! Component: 500 - total flux cleaned = 0.00103905 Jy ! Component: 550 - total flux cleaned = 0.00100165 Jy ! Component: 600 - total flux cleaned = 0.00102023 Jy ! Component: 650 - total flux cleaned = 0.000965099 Jy ! Component: 700 - total flux cleaned = 0.00096524 Jy ! Component: 750 - total flux cleaned = 0.000929246 Jy ! Component: 800 - total flux cleaned = 0.00087629 Jy ! Component: 850 - total flux cleaned = 0.000858861 Jy ! Component: 900 - total flux cleaned = 0.00080705 Jy ! Component: 950 - total flux cleaned = 0.000772829 Jy ! Component: 1000 - total flux cleaned = 0.000772812 Jy ! Total flux subtracted in 1024 components = 0.000722389 Jy ! Clean residual min=-0.000979 max=0.000955 Jy/beam ! Clean residual mean=0.000026 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.378433 Jy keep ! Adding 77 model components to the UV plane model. ! The established model now contains 139 components and 0.378433 Jy ![Exited script file: muppet] wmap "J0742+4900_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7656 x 0.9819 at -15.66 degrees (North through East) ! Clean map min=-0.0011512 max=0.33991 Jy/beam ! Writing clean map to FITS file: J0742+4900_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.339912 invert ! Inverting map ! Your choice of large map pixels excluded 5.18% of the data. ! The x-axis pixel size should ideally be below 0.1603 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000332698 device "J0742+4900_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J0742+4900_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.293632 0.293632 0.587265 1.17453 2.34906 4.69812 9.39624 18.7925 37.5849 75.1699 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.339 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7656 x 0.9819 at -15.66 degrees (North through East) ! Clean map min=-0.0011512 max=0.33991 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0742+4900_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J0742+4900_X_2010_06_23_pus_map.gif/vgif' mapplot cln