! Started logfile: J0017+8135_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:13:33 2011 obs J0017+8135_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J0017+8135_X_2010_10_13_pus_uva.fits ! AN table 1: 123 integrations on 105 of 105 possible baselines. ! AN table 2: 36 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.375861 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0017+8135 ! ! 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 5978 lines of history. ! ! Reading 25100 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 J0017+8135_X_2010_10_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 = 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 757 telescope corrections were flagged in sub-array 1. ! A total of 375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 375 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 375 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.881626Jy sigma=0.010802 ! Fit after self-cal, rms=0.438378Jy sigma=0.005263 ! 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 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5679 mas, bmaj=0.6912 mas, bpa=-49.95 degrees ! Estimated noise=830.164 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 = 0.613701 Jy ! Component: 100 - total flux cleaned = 0.853262 Jy ! Total flux subtracted in 100 components = 0.853262 Jy ! Clean residual min=-0.034016 max=0.107186 Jy/beam ! Clean residual mean=0.000804 rms=0.010998 Jy/beam ! Combined flux in latest and established models = 0.853262 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.853262 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295192Jy sigma=0.003466 ! Fit after self-cal, rms=0.294245Jy sigma=0.003458 ! Inverting map ! Your choice of large map pixels excluded 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.126863 Jy ! Component: 100 - total flux cleaned = 0.207282 Jy ! Total flux subtracted in 100 components = 0.207282 Jy ! Clean residual min=-0.019138 max=0.057485 Jy/beam ! Clean residual mean=0.000204 rms=0.006382 Jy/beam ! Combined flux in latest and established models = 1.06054 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 1.06054 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210491Jy sigma=0.002302 ! Fit after self-cal, rms=0.210058Jy sigma=0.002297 ! Inverting map ! Your choice of large map pixels excluded 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Added new window around map position (0, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0609064 Jy ! Component: 100 - total flux cleaned = 0.102851 Jy ! Total flux subtracted in 100 components = 0.102851 Jy ! Clean residual min=-0.015105 max=0.029515 Jy/beam ! Clean residual mean=-0.000097 rms=0.004506 Jy/beam ! Combined flux in latest and established models = 1.16339 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 1.16339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184231Jy sigma=0.001925 ! Fit after self-cal, rms=0.183763Jy sigma=0.001920 ! Inverting map ! Your choice of large map pixels excluded 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.032416 Jy ! Component: 100 - total flux cleaned = 0.0556255 Jy ! Total flux subtracted in 100 components = 0.0556255 Jy ! Clean residual min=-0.012791 max=0.019656 Jy/beam ! Clean residual mean=-0.000259 rms=0.003708 Jy/beam ! Combined flux in latest and established models = 1.21902 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 27 components and 1.21902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175628Jy sigma=0.001804 ! Fit after self-cal, rms=0.175435Jy sigma=0.001801 ! Inverting map ! Your choice of large map pixels excluded 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5722 mas, bmaj=0.9364 mas, bpa=-44.17 degrees ! Estimated noise=396.635 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 = 0.0260013 Jy ! Component: 100 - total flux cleaned = 0.0401339 Jy ! Component: 150 - total flux cleaned = 0.0485046 Jy ! Component: 200 - total flux cleaned = 0.0528107 Jy ! Total flux subtracted in 200 components = 0.0528107 Jy ! Clean residual min=-0.017710 max=0.007359 Jy/beam ! Clean residual mean=-0.004031 rms=0.003489 Jy/beam ! Combined flux in latest and established models = 1.27183 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 31 components and 1.27183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171986Jy sigma=0.001755 ! Fit after self-cal, rms=0.171933Jy sigma=0.001755 ! Inverting map ! Your choice of large map pixels excluded 2.57% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.84 HH 1.00* HN 0.99 ! KB 1.21 KK 1.01 KP 1.01 LA 1.00 ! MK 1.02 NL 0.91 NY 1.01 OV 0.98 ! PT 0.97 SC 1.04 TS 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.84 HH 1.00* HN 1.02 ! KB 0.96 KK 1.04 KP 0.98 LA 0.96 ! MK 1.03 NL 0.97 NY 1.00* OV 1.00* ! PT 0.97 SC 1.00* TS 1.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HH 1.00* HN 1.00 ! KB 1.21 KK 1.04 KP 1.01 LA 0.97 ! MK 0.98 NL 0.94 NY 1.00 OV 1.00 ! PT 1.00 SC 1.06 TS 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 HH 1.00* HN 1.09 ! KB 0.98 KK 1.10 KP 0.99 LA 0.93 ! MK 1.01 NL 1.02 NY 1.00* OV 1.00* ! PT 1.00 SC 1.00* TS 1.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HH 1.00* HN 1.03 ! KB 1.22 KK 1.02 KP 1.03 LA 0.96 ! MK 1.03 NL 0.91 NY 1.04 OV 1.00 ! PT 1.05 SC 1.10 TS 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 HH 1.00* HN 1.06 ! KB 0.95 KK 1.03 KP 1.02 LA 0.94 ! MK 1.04 NL 0.97 NY 1.00* OV 1.00* ! PT 1.05 SC 1.00* TS 1.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HH 1.00* HN 1.01 ! KB 1.25 KK 1.05 KP 1.04 LA 1.04 ! MK 1.00 NL 0.94 NY 1.00 OV 1.04 ! PT 1.01 SC 1.09 TS 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.01 HH 1.00* HN 1.06 ! KB 0.95 KK 1.07 KP 1.01 LA 0.99 ! MK 1.05 NL 1.00 NY 1.00* OV 1.00* ! PT 1.00 SC 1.00* TS 1.00* ! ! ! Fit before self-cal, rms=0.171933Jy sigma=0.001755 ! Fit after self-cal, rms=0.160453Jy sigma=0.001480 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.583 mas, bmaj=0.9457 mas, bpa=-44.34 degrees ! Estimated noise=404.535 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 = -0.00728951 Jy ! Component: 100 - total flux cleaned = -0.00916248 Jy ! Component: 150 - total flux cleaned = -0.0104832 Jy ! Component: 200 - total flux cleaned = -0.0112807 Jy ! Total flux subtracted in 200 components = -0.0112807 Jy ! Clean residual min=-0.007205 max=0.005326 Jy/beam ! Clean residual mean=-0.001083 rms=0.001628 Jy/beam ! Combined flux in latest and established models = 1.26055 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 32 components and 1.26055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159469Jy sigma=0.001463 ! Fit after self-cal, rms=0.159508Jy sigma=0.001463 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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=0.159508Jy sigma=0.001463 ! Fit after self-cal, rms=0.157556Jy sigma=0.001411 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.587 mas, bmaj=0.9437 mas, bpa=-44.73 degrees ! Estimated noise=406.434 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00283296 Jy ! Component: 100 - total flux cleaned = -0.00384211 Jy ! Component: 150 - total flux cleaned = -0.00400123 Jy ! Component: 200 - total flux cleaned = -0.0041324 Jy ! Total flux subtracted in 200 components = -0.0041324 Jy ! Clean residual min=-0.003650 max=0.003410 Jy/beam ! Clean residual mean=-0.000265 rms=0.000964 Jy/beam ! Combined flux in latest and established models = 1.25642 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 1.25642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157117Jy sigma=0.001403 ! Fit after self-cal, rms=0.157147Jy sigma=0.001403 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 = 2.53769e-06 Jy ! Component: 100 - total flux cleaned = -9.72416e-05 Jy ! Component: 150 - total flux cleaned = -0.000186928 Jy ! Component: 200 - total flux cleaned = -0.000261634 Jy ! Total flux subtracted in 200 components = -0.000261634 Jy ! Clean residual min=-0.003926 max=0.003344 Jy/beam ! Clean residual mean=-0.000261 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 1.25616 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 1.25616 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157054Jy sigma=0.001402 ! Fit after self-cal, rms=0.157042Jy sigma=0.001402 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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=0.157042Jy sigma=0.001402 ! Fit after self-cal, rms=0.156605Jy sigma=0.001375 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5892 mas, bmaj=0.9431 mas, bpa=-44.58 degrees ! Estimated noise=407.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119316 Jy ! Component: 100 - total flux cleaned = -0.00137429 Jy ! Component: 150 - total flux cleaned = -0.00158958 Jy ! Component: 200 - total flux cleaned = -0.00176324 Jy ! Total flux subtracted in 200 components = -0.00176324 Jy ! Clean residual min=-0.003140 max=0.002776 Jy/beam ! Clean residual mean=-0.000222 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 1.25439 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 1.25439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156515Jy sigma=0.001374 ! Fit after self-cal, rms=0.156517Jy sigma=0.001374 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 = 7.31846e-05 Jy ! Component: 100 - total flux cleaned = 3.08786e-05 Jy ! Component: 150 - total flux cleaned = -6.1353e-06 Jy ! Component: 200 - total flux cleaned = -3.7977e-05 Jy ! Total flux subtracted in 200 components = -3.7977e-05 Jy ! Clean residual min=-0.002825 max=0.002691 Jy/beam ! Clean residual mean=-0.000222 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 1.25435 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 36 components and 1.25435 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156493Jy sigma=0.001374 ! Fit after self-cal, rms=0.156490Jy sigma=0.001374 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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=0.156490Jy sigma=0.001374 ! Fit after self-cal, rms=0.156722Jy sigma=0.001373 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=2.338 mas, bmaj=3.155 mas, bpa=85.01 degrees ! Estimated noise=602.295 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00165271 Jy ! Component: 100 - total flux cleaned = -0.00189303 Jy ! Component: 150 - total flux cleaned = -0.00192822 Jy ! Component: 200 - total flux cleaned = -0.0019601 Jy ! Total flux subtracted in 200 components = -0.0019601 Jy ! Clean residual min=-0.003090 max=0.004290 Jy/beam ! Clean residual mean=-0.000173 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 1.25239 Jy selfcal ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 37 components and 1.25239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156733Jy sigma=0.001373 ! Fit after self-cal, rms=0.156721Jy sigma=0.001373 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 = -7.13708e-05 Jy ! Component: 100 - total flux cleaned = -7.09076e-05 Jy ! Component: 150 - total flux cleaned = -7.01527e-05 Jy ! Component: 200 - total flux cleaned = -6.95052e-05 Jy ! Total flux subtracted in 200 components = -6.95052e-05 Jy ! Clean residual min=-0.003080 max=0.004284 Jy/beam ! Clean residual mean=-0.000169 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 1.25233 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 37 components and 1.25233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156734Jy sigma=0.001373 ! Fit after self-cal, rms=0.156727Jy sigma=0.001373 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5899 mas, bmaj=0.9435 mas, bpa=-44.65 degrees ! Estimated noise=408.048 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5899 x 0.9435 at -44.65 degrees (North through East) ! Clean map min=-0.0022899 max=0.82386 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=0.156727Jy sigma=0.001373 ! Fit after self-cal, rms=0.150225Jy sigma=0.001280 ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5896 mas, bmaj=0.9443 mas, bpa=-44.63 degrees ! Estimated noise=407.525 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00132348 Jy ! Component: 100 - total flux cleaned = -0.00138423 Jy ! Component: 150 - total flux cleaned = -0.00143473 Jy ! Component: 200 - total flux cleaned = -0.00147636 Jy ! Total flux subtracted in 200 components = -0.00147636 Jy ! Clean residual min=-0.002559 max=0.002788 Jy/beam ! Clean residual mean=-0.000109 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 1.25085 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 1.25085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150176Jy sigma=0.001279 ! Fit after self-cal, rms=0.150172Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000203693 Jy ! Component: 100 - total flux cleaned = 0.000203606 Jy ! Component: 150 - total flux cleaned = 0.000204009 Jy ! Component: 200 - total flux cleaned = 0.000177257 Jy ! Total flux subtracted in 200 components = 0.000177257 Jy ! Clean residual min=-0.002423 max=0.002707 Jy/beam ! Clean residual mean=-0.000112 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 1.25103 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 38 components and 1.25103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150149Jy sigma=0.001278 ! Fit after self-cal, rms=0.150146Jy sigma=0.001278 ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150146Jy sigma=0.001278 ! Fit after self-cal, rms=0.150175Jy sigma=0.001278 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 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5763 mas, bmaj=0.6901 mas, bpa=-52.49 degrees ! Estimated noise=861.654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.627466 Jy ! Component: 100 - total flux cleaned = 0.870338 Jy ! Component: 150 - total flux cleaned = 0.990916 Jy ! Component: 200 - total flux cleaned = 1.06628 Jy ! Total flux subtracted in 200 components = 1.06628 Jy ! Clean residual min=-0.014874 max=0.040819 Jy/beam ! Clean residual mean=0.000496 rms=0.004566 Jy/beam ! Combined flux in latest and established models = 1.06628 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.06628 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5902 mas, bmaj=0.9442 mas, bpa=-44.7 degrees ! Estimated noise=407.569 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 = 0.0729322 Jy ! Component: 100 - total flux cleaned = 0.115536 Jy ! Component: 150 - total flux cleaned = 0.14141 Jy ! Component: 200 - total flux cleaned = 0.157191 Jy ! Total flux subtracted in 200 components = 0.157191 Jy ! Clean residual min=-0.003213 max=0.010474 Jy/beam ! Clean residual mean=0.000467 rms=0.001350 Jy/beam ! Combined flux in latest and established models = 1.22347 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 33 components and 1.22347 Jy ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Added new window around map position (0, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112398 Jy ! Component: 100 - total flux cleaned = 0.0179062 Jy ! Component: 150 - total flux cleaned = 0.0220197 Jy ! Component: 200 - total flux cleaned = 0.0244749 Jy ! Total flux subtracted in 200 components = 0.0244749 Jy ! Clean residual min=-0.002570 max=0.002580 Jy/beam ! Clean residual mean=0.000020 rms=0.000711 Jy/beam ! Combined flux in latest and established models = 1.24795 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 45 components and 1.24795 Jy ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 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 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=2.337 mas, bmaj=3.155 mas, bpa=84.93 degrees ! Estimated noise=600.712 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011093 Jy ! Component: 100 - total flux cleaned = 0.00103705 Jy ! Component: 150 - total flux cleaned = 0.000955457 Jy ! Component: 200 - total flux cleaned = 0.000894014 Jy ! Total flux subtracted in 200 components = 0.000894014 Jy ! Clean residual min=-0.002738 max=0.004519 Jy/beam ! Clean residual mean=0.000005 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 1.24884 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 = -7.24946e-05 Jy ! Component: 100 - total flux cleaned = -0.000121244 Jy ! Component: 150 - total flux cleaned = -0.000150567 Jy ! Component: 200 - total flux cleaned = -0.000190253 Jy ! Total flux subtracted in 200 components = -0.000190253 Jy ! Clean residual min=-0.002729 max=0.004537 Jy/beam ! Clean residual mean=0.000017 rms=0.001275 Jy/beam ! Combined flux in latest and established models = 1.24865 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 1.24865 Jy ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! Estimated beam: bmin=0.5902 mas, bmaj=0.9442 mas, bpa=-44.7 degrees ! Estimated noise=407.569 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000417529 Jy ! Component: 100 - total flux cleaned = -0.000288918 Jy ! Component: 150 - total flux cleaned = -0.000176827 Jy ! Component: 200 - total flux cleaned = -0.000177392 Jy ! Total flux subtracted in 200 components = -0.000177392 Jy ! Clean residual min=-0.002398 max=0.002563 Jy/beam ! Clean residual mean=0.000011 rms=0.000681 Jy/beam ! Combined flux in latest and established models = 1.24847 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 1.24847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150166Jy sigma=0.001278 ! Fit after self-cal, rms=0.150137Jy sigma=0.001278 wmodel J0017+8135_X_2010_10_13_pus_map.mod ! Writing 60 model components to file: J0017+8135_X_2010_10_13_pus_map.mod wobs J0017+8135_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J0017+8135_X_2010_10_13_pus_uvs.fits wwins J0017+8135_X_2010_10_13_pus_map.win ! wwins: Wrote 3 windows to J0017+8135_X_2010_10_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 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000553581 Jy ! Component: 100 - total flux cleaned = 0.000763273 Jy ! Component: 150 - total flux cleaned = 0.000999303 Jy ! Component: 200 - total flux cleaned = 0.0010737 Jy ! Component: 250 - total flux cleaned = 0.00114631 Jy ! Component: 300 - total flux cleaned = 0.00118075 Jy ! Component: 350 - total flux cleaned = 0.00114745 Jy ! Component: 400 - total flux cleaned = 0.00118081 Jy ! Component: 450 - total flux cleaned = 0.0011806 Jy ! Component: 500 - total flux cleaned = 0.0011176 Jy ! Component: 550 - total flux cleaned = 0.00108688 Jy ! Component: 600 - total flux cleaned = 0.000996485 Jy ! Component: 650 - total flux cleaned = 0.000996696 Jy ! Component: 700 - total flux cleaned = 0.000967413 Jy ! Component: 750 - total flux cleaned = 0.000910412 Jy ! Component: 800 - total flux cleaned = 0.000882339 Jy ! Component: 850 - total flux cleaned = 0.000827314 Jy ! Component: 900 - total flux cleaned = 0.000800147 Jy ! Component: 950 - total flux cleaned = 0.000773438 Jy ! Component: 1000 - total flux cleaned = 0.000720788 Jy ! Total flux subtracted in 1024 components = 0.000694806 Jy ! Clean residual min=-0.001647 max=0.001602 Jy/beam ! Clean residual mean=-0.000014 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 1.24917 Jy keep ! Adding 90 model components to the UV plane model. ! The established model now contains 150 components and 1.24917 Jy ![Exited script file: muppet] wmap "J0017+8135_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5902 x 0.9442 at -44.7 degrees (North through East) ! Clean map min=-0.0019695 max=0.82329 Jy/beam ! Writing clean map to FITS file: J0017+8135_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.823285 invert ! Inverting map ! Your choice of large map pixels excluded 2.59% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! The y-axis pixel size should ideally be below 0.1728 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000503926 device "J0017+8135_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0017+8135_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.183627 0.183627 0.367255 0.73451 1.46902 2.93804 5.87608 11.7522 23.5043 47.0086 94.0172 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.823 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5902 x 0.9442 at -44.7 degrees (North through East) ! Clean map min=-0.0019695 max=0.82329 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0017+8135_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J0017+8135_X_2010_10_13_pus_map.gif/vgif' mapplot cln