! Started logfile: J0501-0159_X_2001_03_12_pus_uvs.log on Wed Jan 2 19:51:09 2013 obs J0501-0159_X_2001_03_12_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_2001_03_12_pus_uva.fits ! AN table 1: 186 integrations on 136 of 136 possible baselines. ! AN table 2: 58 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.116351 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! 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 1749 lines of history. ! ! Reading 15444 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 J0501-0159_X_2001_03_12_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 2565 telescope corrections were flagged in sub-array 1. ! A total of 594 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2565 telescope corrections were flagged in sub-array 1. ! A total of 594 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2565 telescope corrections were flagged in sub-array 1. ! A total of 594 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2565 telescope corrections were flagged in sub-array 1. ! A total of 594 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.743391Jy sigma=0.006374 ! Fit after self-cal, rms=0.452889Jy sigma=0.003556 ! 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.5703 mas, bmaj=1.595 mas, bpa=-3.73 degrees ! Estimated noise=1130.32 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 = 0.468818 Jy ! Component: 100 - total flux cleaned = 0.573107 Jy ! Total flux subtracted in 100 components = 0.573107 Jy ! Clean residual min=-0.013701 max=0.034635 Jy/beam ! Clean residual mean=0.000015 rms=0.004244 Jy/beam ! Combined flux in latest and established models = 0.573107 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.573107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223594Jy sigma=0.001548 ! Fit after self-cal, rms=0.223618Jy sigma=0.001548 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0375358 Jy ! Component: 100 - total flux cleaned = 0.0585267 Jy ! Total flux subtracted in 100 components = 0.0585267 Jy ! Clean residual min=-0.012235 max=0.027415 Jy/beam ! Clean residual mean=0.000007 rms=0.003518 Jy/beam ! Combined flux in latest and established models = 0.631633 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.631633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215537Jy sigma=0.001445 ! Fit after self-cal, rms=0.215583Jy sigma=0.001444 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Added new window around map position (-1.4, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.025213 Jy ! Component: 100 - total flux cleaned = 0.0387346 Jy ! Total flux subtracted in 100 components = 0.0387346 Jy ! Clean residual min=-0.012559 max=0.019532 Jy/beam ! Clean residual mean=-0.000003 rms=0.003163 Jy/beam ! Combined flux in latest and established models = 0.670368 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.670368 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211235Jy sigma=0.001391 ! Fit after self-cal, rms=0.210939Jy sigma=0.001388 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Added new window around map position (-3.8, 3.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0210046 Jy ! Component: 100 - total flux cleaned = 0.0343879 Jy ! Total flux subtracted in 100 components = 0.0343879 Jy ! Clean residual min=-0.010935 max=0.016053 Jy/beam ! Clean residual mean=-0.000000 rms=0.002821 Jy/beam ! Combined flux in latest and established models = 0.704756 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 33 components and 0.704756 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207001Jy sigma=0.001337 ! Fit after self-cal, rms=0.206790Jy sigma=0.001335 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7099 mas, bmaj=1.947 mas, bpa=-3.525 degrees ! Estimated noise=699.45 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 (-2.4, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0286394 Jy ! Component: 100 - total flux cleaned = 0.045882 Jy ! Component: 150 - total flux cleaned = 0.0576096 Jy ! Component: 200 - total flux cleaned = 0.0662128 Jy ! Total flux subtracted in 200 components = 0.0662128 Jy ! Clean residual min=-0.009757 max=0.013035 Jy/beam ! Clean residual mean=-0.000064 rms=0.002765 Jy/beam ! Combined flux in latest and established models = 0.770969 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 55 components and 0.770969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202858Jy sigma=0.001285 ! Fit after self-cal, rms=0.202336Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 5.51% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HH 1.09 HN 1.00 ! KK 1.00 KP 0.97 LA 0.96 MA 0.98 ! MC 1.00* MK 0.96 NL 1.00 ON 1.00* ! OV 0.99 PT 0.93 SC 1.04 TS 1.00* ! WZ 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.11 HH 1.00* HN 1.00* ! KK 0.95 KP 1.03 LA 1.02 MA 1.00* ! MC 1.00* MK 0.98 NL 1.00* ON 1.00* ! OV 1.02 PT 0.96 SC 1.00* TS 0.92 ! WZ 1.00* ! ! ! 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 1.02 HH 1.07 HN 1.02 ! KK 1.02 KP 0.91 LA 0.96 MA 0.96 ! MC 1.00* MK 0.96 NL 0.96 ON 1.00* ! OV 0.98 PT 0.97 SC 1.02 TS 1.00* ! WZ 1.23 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.08 HH 1.00* HN 1.00* ! KK 0.94 KP 0.98 LA 1.01 MA 1.00* ! MC 1.00* MK 0.98 NL 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00* TS 0.93 ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HH 1.22 HN 1.02 ! KK 1.09 KP 0.92 LA 0.99 MA 1.09 ! MC 1.00* MK 0.97 NL 0.99 ON 1.00* ! OV 1.02 PT 0.99 SC 1.05 TS 1.00* ! WZ 1.18 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.06 HH 1.00* HN 1.00* ! KK 0.98 KP 0.96 LA 1.02 MA 1.00* ! MC 1.00* MK 1.00 NL 1.00* ON 1.00* ! OV 1.03 PT 1.03 SC 1.00* TS 0.90 ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HH 1.11 HN 1.02 ! KK 1.04 KP 0.94 LA 0.96 MA 1.03 ! MC 1.00* MK 1.00 NL 1.00 ON 1.00* ! OV 1.00 PT 0.98 SC 1.10 TS 1.00* ! WZ 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.05 HH 1.00* HN 1.00* ! KK 1.01 KP 0.98 LA 1.01 MA 1.00* ! MC 1.00* MK 1.01 NL 1.00* ON 1.00* ! OV 1.02 PT 1.02 SC 1.00* TS 0.91 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.202336Jy sigma=0.001280 ! Fit after self-cal, rms=0.208348Jy sigma=0.001235 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7114 mas, bmaj=2.05 mas, bpa=-3.717 degrees ! Estimated noise=696.788 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 (-4.8, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00955685 Jy ! Component: 100 - total flux cleaned = 0.0154097 Jy ! Component: 150 - total flux cleaned = 0.0178597 Jy ! Component: 200 - total flux cleaned = 0.0182581 Jy ! Total flux subtracted in 200 components = 0.0182581 Jy ! Clean residual min=-0.005523 max=0.006966 Jy/beam ! Clean residual mean=-0.000036 rms=0.001430 Jy/beam ! Combined flux in latest and established models = 0.789227 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 83 components and 0.789227 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207887Jy sigma=0.001229 ! Fit after self-cal, rms=0.208072Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.208072Jy sigma=0.001228 ! Fit after self-cal, rms=0.205895Jy sigma=0.001214 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7108 mas, bmaj=2.045 mas, bpa=-3.694 degrees ! Estimated noise=696.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00569978 Jy ! Component: 100 - total flux cleaned = 0.00798192 Jy ! Component: 150 - total flux cleaned = 0.00809014 Jy ! Component: 200 - total flux cleaned = 0.00809018 Jy ! Total flux subtracted in 200 components = 0.00809018 Jy ! Clean residual min=-0.003542 max=0.004506 Jy/beam ! Clean residual mean=-0.000058 rms=0.001079 Jy/beam ! Combined flux in latest and established models = 0.797317 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 101 components and 0.797317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205686Jy sigma=0.001212 ! Fit after self-cal, rms=0.205621Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 0.00100382 Jy ! Component: 100 - total flux cleaned = 0.00119037 Jy ! Component: 150 - total flux cleaned = 0.00127855 Jy ! Component: 200 - total flux cleaned = 0.00136303 Jy ! Total flux subtracted in 200 components = 0.00136303 Jy ! Clean residual min=-0.003558 max=0.004463 Jy/beam ! Clean residual mean=-0.000057 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.79868 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 109 components and 0.79868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205539Jy sigma=0.001211 ! Fit after self-cal, rms=0.205536Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.205536Jy sigma=0.001211 ! Fit after self-cal, rms=0.205527Jy sigma=0.001211 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7106 mas, bmaj=2.045 mas, bpa=-3.687 degrees ! Estimated noise=695.981 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295665 Jy ! Component: 100 - total flux cleaned = 0.00364285 Jy ! Component: 150 - total flux cleaned = 0.00379735 Jy ! Component: 200 - total flux cleaned = 0.00394413 Jy ! Total flux subtracted in 200 components = 0.00394413 Jy ! Clean residual min=-0.003260 max=0.004265 Jy/beam ! Clean residual mean=-0.000057 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 0.802624 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 110 components and 0.802624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205455Jy sigma=0.001210 ! Fit after self-cal, rms=0.205455Jy sigma=0.001210 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 0.000613944 Jy ! Component: 100 - total flux cleaned = 0.000749378 Jy ! Component: 150 - total flux cleaned = 0.000813355 Jy ! Component: 200 - total flux cleaned = 0.000870902 Jy ! Total flux subtracted in 200 components = 0.000870902 Jy ! Clean residual min=-0.003238 max=0.004305 Jy/beam ! Clean residual mean=-0.000057 rms=0.000994 Jy/beam ! Combined flux in latest and established models = 0.803495 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 114 components and 0.803495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205411Jy sigma=0.001210 ! Fit after self-cal, rms=0.205411Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Added new window around map position (-14.8, 10.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00407288 Jy ! Component: 100 - total flux cleaned = 0.00461488 Jy ! Component: 150 - total flux cleaned = 0.00494302 Jy ! Component: 200 - total flux cleaned = 0.00530306 Jy ! Total flux subtracted in 200 components = 0.00530306 Jy ! Clean residual min=-0.003034 max=0.004191 Jy/beam ! Clean residual mean=-0.000056 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 0.808798 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 125 components and 0.808798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205276Jy sigma=0.001209 ! Fit after self-cal, rms=0.205272Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Added new window around map position (-10.2, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00378444 Jy ! Component: 100 - total flux cleaned = 0.0056739 Jy ! Component: 150 - total flux cleaned = 0.00620779 Jy ! Component: 200 - total flux cleaned = 0.00638943 Jy ! Total flux subtracted in 200 components = 0.00638943 Jy ! Clean residual min=-0.002970 max=0.003034 Jy/beam ! Clean residual mean=-0.000046 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.815187 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 141 components and 0.815187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205164Jy sigma=0.001208 ! Fit after self-cal, rms=0.205155Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.205155Jy sigma=0.001208 ! Fit after self-cal, rms=0.205477Jy sigma=0.001208 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=2.487 mas, bmaj=3.734 mas, bpa=4.67 degrees ! Estimated noise=855.838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286373 Jy ! Component: 100 - total flux cleaned = 0.00488808 Jy ! Component: 150 - total flux cleaned = 0.00612384 Jy ! Component: 200 - total flux cleaned = 0.00703256 Jy ! Total flux subtracted in 200 components = 0.00703256 Jy ! Clean residual min=-0.003360 max=0.003320 Jy/beam ! Clean residual mean=-0.000086 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.82222 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 161 components and 0.82222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205466Jy sigma=0.001208 ! Fit after self-cal, rms=0.205461Jy sigma=0.001208 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 0.00102929 Jy ! Component: 100 - total flux cleaned = 0.00182406 Jy ! Component: 150 - total flux cleaned = 0.00216629 Jy ! Component: 200 - total flux cleaned = 0.0025101 Jy ! Total flux subtracted in 200 components = 0.0025101 Jy ! Clean residual min=-0.003334 max=0.003221 Jy/beam ! Clean residual mean=-0.000081 rms=0.000920 Jy/beam ! Combined flux in latest and established models = 0.82473 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 166 components and 0.82473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205460Jy sigma=0.001208 ! Fit after self-cal, rms=0.205459Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7109 mas, bmaj=2.047 mas, bpa=-3.701 degrees ! Estimated noise=695.854 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7109 x 2.047 at -3.701 degrees (North through East) ! Clean map min=-0.0026195 max=0.60334 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=0.205459Jy sigma=0.001208 ! Fit after self-cal, rms=0.210865Jy sigma=0.001109 ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7111 mas, bmaj=2.042 mas, bpa=-3.674 degrees ! Estimated noise=695.699 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.26382e-05 Jy ! Component: 100 - total flux cleaned = 0.000113266 Jy ! Component: 150 - total flux cleaned = 0.000114161 Jy ! Component: 200 - total flux cleaned = 0.000113623 Jy ! Total flux subtracted in 200 components = 0.000113623 Jy ! Clean residual min=-0.002703 max=0.002987 Jy/beam ! Clean residual mean=-0.000041 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 0.824844 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 178 components and 0.824843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210811Jy sigma=0.001109 ! Fit after self-cal, rms=0.210810Jy sigma=0.001109 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000221793 Jy ! Component: 100 - total flux cleaned = 0.000221799 Jy ! Component: 150 - total flux cleaned = 0.000174787 Jy ! Component: 200 - total flux cleaned = 0.000219966 Jy ! Total flux subtracted in 200 components = 0.000219966 Jy ! Clean residual min=-0.002717 max=0.002915 Jy/beam ! Clean residual mean=-0.000041 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.825063 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 185 components and 0.825063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210774Jy sigma=0.001109 ! Fit after self-cal, rms=0.210774Jy sigma=0.001109 ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210774Jy sigma=0.001109 ! Fit after self-cal, rms=0.210984Jy sigma=0.001109 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.5756 mas, bmaj=1.649 mas, bpa=-3.828 degrees ! Estimated noise=1123.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.465362 Jy ! Component: 100 - total flux cleaned = 0.567425 Jy ! Component: 150 - total flux cleaned = 0.603402 Jy ! Component: 200 - total flux cleaned = 0.628833 Jy ! Total flux subtracted in 200 components = 0.628833 Jy ! Clean residual min=-0.008470 max=0.015874 Jy/beam ! Clean residual mean=0.000006 rms=0.002510 Jy/beam ! Combined flux in latest and established models = 0.628833 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.628833 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7116 mas, bmaj=2.043 mas, bpa=-3.674 degrees ! Estimated noise=695.663 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 = 0.0457522 Jy ! Component: 100 - total flux cleaned = 0.0765475 Jy ! Component: 150 - total flux cleaned = 0.0989243 Jy ! Component: 200 - total flux cleaned = 0.115452 Jy ! Total flux subtracted in 200 components = 0.115452 Jy ! Clean residual min=-0.005850 max=0.010355 Jy/beam ! Clean residual mean=-0.000062 rms=0.002448 Jy/beam ! Combined flux in latest and established models = 0.744285 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 78 components and 0.744285 Jy ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=2.487 mas, bmaj=3.735 mas, bpa=4.734 degrees ! Estimated noise=854.924 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207703 Jy ! Component: 100 - total flux cleaned = 0.0339348 Jy ! Component: 150 - total flux cleaned = 0.0438033 Jy ! Component: 200 - total flux cleaned = 0.0515358 Jy ! Total flux subtracted in 200 components = 0.0515358 Jy ! Clean residual min=-0.005548 max=0.005604 Jy/beam ! Clean residual mean=-0.000108 rms=0.001878 Jy/beam ! Combined flux in latest and established models = 0.795821 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 = 0.00613675 Jy ! Component: 100 - total flux cleaned = 0.0110452 Jy ! Component: 150 - total flux cleaned = 0.0150249 Jy ! Component: 200 - total flux cleaned = 0.0182691 Jy ! Total flux subtracted in 200 components = 0.0182691 Jy ! Clean residual min=-0.004271 max=0.003700 Jy/beam ! Clean residual mean=-0.000094 rms=0.001160 Jy/beam ! Combined flux in latest and established models = 0.81409 Jy ! Adding 128 model components to the UV plane model. ! The established model now contains 196 components and 0.81409 Jy ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7116 mas, bmaj=2.043 mas, bpa=-3.674 degrees ! Estimated noise=695.663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255857 Jy ! Component: 100 - total flux cleaned = 0.00422243 Jy ! Component: 150 - total flux cleaned = 0.00553748 Jy ! Component: 200 - total flux cleaned = 0.00644833 Jy ! Total flux subtracted in 200 components = 0.00644833 Jy ! Clean residual min=-0.003102 max=0.003002 Jy/beam ! Clean residual mean=-0.000042 rms=0.000795 Jy/beam ! Combined flux in latest and established models = 0.820539 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 211 components and 0.820539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211320Jy sigma=0.001110 ! Fit after self-cal, rms=0.211253Jy sigma=0.001110 wmodel J0501-0159_X_2001_03_12_pus_map.mod ! Writing 211 model components to file: J0501-0159_X_2001_03_12_pus_map.mod wobs J0501-0159_X_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_2001_03_12_pus_uvs.fits wwins J0501-0159_X_2001_03_12_pus_map.win ! wwins: Wrote 7 windows to J0501-0159_X_2001_03_12_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 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000116046 Jy ! Component: 100 - total flux cleaned = 0.00016978 Jy ! Component: 150 - total flux cleaned = 2.5217e-05 Jy ! Component: 200 - total flux cleaned = -0.000253316 Jy ! Component: 250 - total flux cleaned = -0.000480581 Jy ! Component: 300 - total flux cleaned = -0.00065962 Jy ! Component: 350 - total flux cleaned = -0.000964562 Jy ! Component: 400 - total flux cleaned = -0.00109222 Jy ! Component: 450 - total flux cleaned = -0.00117672 Jy ! Component: 500 - total flux cleaned = -0.0012597 Jy ! Component: 550 - total flux cleaned = -0.00138035 Jy ! Component: 600 - total flux cleaned = -0.00141984 Jy ! Component: 650 - total flux cleaned = -0.00153838 Jy ! Component: 700 - total flux cleaned = -0.00157702 Jy ! Component: 750 - total flux cleaned = -0.00176936 Jy ! Component: 800 - total flux cleaned = -0.00180688 Jy ! Component: 850 - total flux cleaned = -0.00191994 Jy ! Component: 900 - total flux cleaned = -0.00203197 Jy ! Component: 950 - total flux cleaned = -0.00217976 Jy ! Component: 1000 - total flux cleaned = -0.0022534 Jy ! Component: 1050 - total flux cleaned = -0.00236241 Jy ! Component: 1100 - total flux cleaned = -0.00243458 Jy ! Component: 1150 - total flux cleaned = -0.00247027 Jy ! Component: 1200 - total flux cleaned = -0.00254106 Jy ! Component: 1250 - total flux cleaned = -0.0026109 Jy ! Component: 1300 - total flux cleaned = -0.00278429 Jy ! Component: 1350 - total flux cleaned = -0.00268087 Jy ! Component: 1400 - total flux cleaned = -0.00285186 Jy ! Component: 1450 - total flux cleaned = -0.00295376 Jy ! Component: 1500 - total flux cleaned = -0.00312187 Jy ! Component: 1550 - total flux cleaned = -0.00308832 Jy ! Component: 1600 - total flux cleaned = -0.00308859 Jy ! Component: 1650 - total flux cleaned = -0.00318745 Jy ! Component: 1700 - total flux cleaned = -0.00315513 Jy ! Component: 1750 - total flux cleaned = -0.00325247 Jy ! Component: 1800 - total flux cleaned = -0.00322018 Jy ! Component: 1850 - total flux cleaned = -0.00331579 Jy ! Component: 1900 - total flux cleaned = -0.00322041 Jy ! Component: 1950 - total flux cleaned = -0.00328371 Jy ! Component: 2000 - total flux cleaned = -0.003315 Jy ! Total flux subtracted in 2048 components = -0.00331482 Jy ! Clean residual min=-0.001553 max=0.001928 Jy/beam ! Clean residual mean=-0.000022 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.817224 Jy keep ! Adding 139 model components to the UV plane model. ! The established model now contains 349 components and 0.817224 Jy ![Exited script file: muppet] wmap "J0501-0159_X_2001_03_12_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7116 x 2.043 at -3.674 degrees (North through East) ! Clean map min=-0.0024163 max=0.60394 Jy/beam ! Writing clean map to FITS file: J0501-0159_X_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.603938 invert ! Inverting map ! Your choice of large map pixels excluded 5.53% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000572691 device "J0501-0159_X_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.284478 0.284478 0.568956 1.13791 2.27583 4.55165 9.1033 18.2066 36.4132 72.8264 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.603 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7116 x 2.043 at -3.674 degrees (North through East) ! Clean map min=-0.0024163 max=0.60394 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0501-0159_X_2001_03_12_pus_uvs.log closed on Wed Jan 2 19:51:17 2013