! Started logfile: J0518+2054_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:45:32 2010 obs J0518+2054_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0518+2054_X_2008_04_02_pus_uva.fits ! AN table 1: 242 integrations on 120 of 120 possible baselines. ! AN table 2: 164 integrations on 120 of 120 possible baselines. ! AN table 3: 116 integrations on 120 of 120 possible baselines. ! AN table 4: 141 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.204311 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0518+2054 ! ! 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 2284 lines of history. ! ! Reading 65020 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 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 2773 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 1182 telescope corrections were flagged in sub-array 3. ! A total of 1374 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 2773 telescope corrections were flagged in sub-array 1. ! A total of 890 telescope corrections were flagged in sub-array 2. ! A total of 1235 telescope corrections were flagged in sub-array 3. ! A total of 1764 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 2857 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 1235 telescope corrections were flagged in sub-array 3. ! A total of 1407 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 2857 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 1499 telescope corrections were flagged in sub-array 3. ! A total of 1489 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.915724Jy sigma=0.005516 ! Fit after self-cal, rms=0.826493Jy sigma=0.005134 ! 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 8.37% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.4922 mas, bmaj=0.7318 mas, bpa=7.296 degrees ! Estimated noise=1232.19 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 = 0.167403 Jy ! Component: 100 - total flux cleaned = 0.208428 Jy ! Total flux subtracted in 100 components = 0.208428 Jy ! Clean residual min=-0.008888 max=0.017018 Jy/beam ! Clean residual mean=0.000036 rms=0.002296 Jy/beam ! Combined flux in latest and established models = 0.208428 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.208428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276895Jy sigma=0.001216 ! Fit after self-cal, rms=0.276911Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 8.37% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188247 Jy ! Component: 100 - total flux cleaned = 0.0295325 Jy ! Total flux subtracted in 100 components = 0.0295325 Jy ! Clean residual min=-0.008433 max=0.012452 Jy/beam ! Clean residual mean=0.000012 rms=0.002018 Jy/beam ! Combined flux in latest and established models = 0.23796 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.23796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275187Jy sigma=0.001203 ! Fit after self-cal, rms=0.275158Jy sigma=0.001203 ! Inverting map ! Your choice of large map pixels excluded 8.37% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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 8.37% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6227 mas, bmaj=0.9441 mas, bpa=-0.3241 degrees ! Estimated noise=502.444 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 (-0.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115381 Jy ! Component: 100 - total flux cleaned = 0.0128243 Jy ! Component: 150 - total flux cleaned = 0.0126375 Jy ! Component: 200 - total flux cleaned = 0.0124612 Jy ! Total flux subtracted in 200 components = 0.0124612 Jy ! Clean residual min=-0.004804 max=0.005634 Jy/beam ! Clean residual mean=0.000002 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 0.250422 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 0.250422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274629Jy sigma=0.001198 ! Fit after self-cal, rms=0.274450Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 8.37% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.84 ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.93 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 HH 1.25 HN 0.99 ! KK 1.00* KP 1.03 LA 1.00 MK 1.00* ! NL 0.99 NY 1.02 ON 1.02 OV 1.00* ! PT 1.04 SC 1.09 WZ 0.96 ZC 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.87 HN 1.04 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.74 ON 0.88 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.97 ZC 1.01 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.96 HN 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.07 NY 0.89 ON 0.92 OV 1.00* ! PT 1.00* SC 1.06 WZ 0.93 ZC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.87 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.74 ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.00 ZC 1.11 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 HH 1.65 HN 0.96 ! KK 1.00* KP 0.97 LA 0.98 MK 1.00* ! NL 0.96 NY 0.93 ON 1.08 OV 1.00* ! PT 1.03 SC 1.12 WZ 0.99 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.87 HN 1.02 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.73 ON 0.87 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.05 ZC 1.10 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.92 HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.07 NY 1.00* ON 0.97 OV 1.00* ! PT 1.00* SC 1.03 WZ 1.01 ZC 0.91 ! ! ! Correcting IF 3. ! A total of 252 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 0.90 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.92 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.99 HH 1.23 HN 0.98 ! KK 1.00* KP 1.02 LA 1.03 MK 1.00* ! NL 1.00 NY 1.04 ON 0.98 OV 1.00* ! PT 1.04 SC 1.13 WZ 0.96 ZC 1.11 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.82 HN 1.00 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.85 ON 0.93 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.99 ZC 0.99 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.17 HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.08 NY 0.97 ON 0.90 OV 1.00* ! PT 1.00* SC 1.06 WZ 0.92 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 252 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.81 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.71 ON 0.98 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.03 ZC 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.03 HH 1.13 HN 0.98 ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.03 NY 1.00 ON 0.98 OV 1.00* ! PT 1.03 SC 1.12 WZ 0.99 ZC 1.20 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.73 HN 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.76 ON 0.97 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.16 ZC 0.88 ! ! A total of 66 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.92 HN 0.98 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.14 NY 1.00* ON 0.93 OV 1.00* ! PT 1.00* SC 1.05 WZ 0.96 ZC 0.98 ! ! ! Fit before self-cal, rms=0.274450Jy sigma=0.001198 ! Fit after self-cal, rms=0.271443Jy sigma=0.001193 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6271 mas, bmaj=0.9366 mas, bpa=-2.043 degrees ! Estimated noise=510.78 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 = 0.00120192 Jy ! Component: 100 - total flux cleaned = 0.0016621 Jy ! Component: 150 - total flux cleaned = 0.00189084 Jy ! Component: 200 - total flux cleaned = 0.0019722 Jy ! Total flux subtracted in 200 components = 0.0019722 Jy ! Clean residual min=-0.002882 max=0.002545 Jy/beam ! Clean residual mean=-0.000001 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.252394 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 35 components and 0.252394 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271419Jy sigma=0.001193 ! Fit after self-cal, rms=0.271133Jy sigma=0.001192 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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=0.271133Jy sigma=0.001192 ! Fit after self-cal, rms=0.271515Jy sigma=0.001192 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6278 mas, bmaj=0.935 mas, bpa=-2.125 degrees ! Estimated noise=511.454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109245 Jy ! Component: 100 - total flux cleaned = 0.00145738 Jy ! Component: 150 - total flux cleaned = 0.00161228 Jy ! Component: 200 - total flux cleaned = 0.00164783 Jy ! Total flux subtracted in 200 components = 0.00164783 Jy ! Clean residual min=-0.002876 max=0.002555 Jy/beam ! Clean residual mean=0.000000 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.254042 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 37 components and 0.254042 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271500Jy sigma=0.001192 ! Fit after self-cal, rms=0.271444Jy sigma=0.001192 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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 = 0.000224505 Jy ! Component: 100 - total flux cleaned = 0.000261234 Jy ! Component: 150 - total flux cleaned = 0.000261803 Jy ! Component: 200 - total flux cleaned = 0.000293913 Jy ! Total flux subtracted in 200 components = 0.000293913 Jy ! Clean residual min=-0.002829 max=0.002465 Jy/beam ! Clean residual mean=-0.000000 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.254336 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 38 components and 0.254336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271433Jy sigma=0.001192 ! Fit after self-cal, rms=0.271424Jy sigma=0.001192 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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=0.271424Jy sigma=0.001192 ! Fit after self-cal, rms=0.272170Jy sigma=0.001192 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6281 mas, bmaj=0.935 mas, bpa=-2.118 degrees ! Estimated noise=512.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000924291 Jy ! Component: 100 - total flux cleaned = 0.00120474 Jy ! Component: 150 - total flux cleaned = 0.00123522 Jy ! Component: 200 - total flux cleaned = 0.00123524 Jy ! Total flux subtracted in 200 components = 0.00123524 Jy ! Clean residual min=-0.002827 max=0.002624 Jy/beam ! Clean residual mean=0.000001 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.255571 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.255571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272159Jy sigma=0.001192 ! Fit after self-cal, rms=0.272164Jy sigma=0.001192 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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 = 0.000179182 Jy ! Component: 100 - total flux cleaned = 0.000179321 Jy ! Component: 150 - total flux cleaned = 0.00020716 Jy ! Component: 200 - total flux cleaned = 0.00023276 Jy ! Total flux subtracted in 200 components = 0.00023276 Jy ! Clean residual min=-0.002829 max=0.002529 Jy/beam ! Clean residual mean=0.000000 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.255804 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.255804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272158Jy sigma=0.001192 ! Fit after self-cal, rms=0.272155Jy sigma=0.001192 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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=0.272155Jy sigma=0.001192 ! Fit after self-cal, rms=0.272740Jy sigma=0.001192 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=2.459 mas, bmaj=2.486 mas, bpa=-11.38 degrees ! Estimated noise=662.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105035 Jy ! Component: 100 - total flux cleaned = 0.00123362 Jy ! Component: 150 - total flux cleaned = 0.00127232 Jy ! Component: 200 - total flux cleaned = 0.00131503 Jy ! Total flux subtracted in 200 components = 0.00131503 Jy ! Clean residual min=-0.002494 max=0.003268 Jy/beam ! Clean residual mean=0.000004 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 0.257119 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 49 components and 0.257119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272738Jy sigma=0.001192 ! Fit after self-cal, rms=0.272744Jy sigma=0.001192 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (16.2, -13.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00313693 Jy ! Component: 100 - total flux cleaned = 0.00359995 Jy ! Component: 150 - total flux cleaned = 0.00388182 Jy ! Component: 200 - total flux cleaned = 0.00407385 Jy ! Total flux subtracted in 200 components = 0.00407385 Jy ! Clean residual min=-0.001920 max=0.001800 Jy/beam ! Clean residual mean=-0.000009 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.261192 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 73 components and 0.261192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272724Jy sigma=0.001191 ! Fit after self-cal, rms=0.272712Jy sigma=0.001191 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6283 mas, bmaj=0.9354 mas, bpa=-2.116 degrees ! Estimated noise=512.987 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6283 x 0.9354 at -2.116 degrees (North through East) ! Clean map min=-0.0021594 max=0.21748 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.5058 mas, bmaj=0.7279 mas, bpa=5.673 degrees ! Estimated noise=1245.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.168203 Jy ! Component: 100 - total flux cleaned = 0.208078 Jy ! Component: 150 - total flux cleaned = 0.226672 Jy ! Component: 200 - total flux cleaned = 0.237487 Jy ! Total flux subtracted in 200 components = 0.237487 Jy ! Clean residual min=-0.007445 max=0.007238 Jy/beam ! Clean residual mean=0.000015 rms=0.001666 Jy/beam ! Combined flux in latest and established models = 0.237487 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.237487 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6283 mas, bmaj=0.9354 mas, bpa=-2.116 degrees ! Estimated noise=512.987 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 = 0.00926809 Jy ! Component: 100 - total flux cleaned = 0.0140553 Jy ! Component: 150 - total flux cleaned = 0.0162924 Jy ! Component: 200 - total flux cleaned = 0.0179151 Jy ! Total flux subtracted in 200 components = 0.0179151 Jy ! Clean residual min=-0.002875 max=0.002709 Jy/beam ! Clean residual mean=0.000006 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.255402 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 36 components and 0.255402 Jy ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=2.459 mas, bmaj=2.486 mas, bpa=-11.38 degrees ! Estimated noise=662.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00301099 Jy ! Component: 100 - total flux cleaned = 0.0044687 Jy ! Component: 150 - total flux cleaned = 0.00484431 Jy ! Component: 200 - total flux cleaned = 0.00526128 Jy ! Total flux subtracted in 200 components = 0.00526128 Jy ! Clean residual min=-0.002103 max=0.001828 Jy/beam ! Clean residual mean=-0.000005 rms=0.000569 Jy/beam ! Combined flux in latest and established models = 0.260663 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 = 0.000402202 Jy ! Component: 100 - total flux cleaned = 0.000713594 Jy ! Component: 150 - total flux cleaned = 0.000956623 Jy ! Component: 200 - total flux cleaned = 0.00111431 Jy ! Total flux subtracted in 200 components = 0.00111431 Jy ! Clean residual min=-0.001891 max=0.001780 Jy/beam ! Clean residual mean=-0.000010 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.261778 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 67 components and 0.261778 Jy ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! Estimated beam: bmin=0.6283 mas, bmaj=0.9354 mas, bpa=-2.116 degrees ! Estimated noise=512.987 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000180901 Jy ! Component: 100 - total flux cleaned = 9.54728e-05 Jy ! Component: 150 - total flux cleaned = 0.000222912 Jy ! Component: 200 - total flux cleaned = 0.000160847 Jy ! Total flux subtracted in 200 components = 0.000160847 Jy ! Clean residual min=-0.002403 max=0.002334 Jy/beam ! Clean residual mean=-0.000003 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.261939 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 87 components and 0.261939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272785Jy sigma=0.001192 ! Fit after self-cal, rms=0.272868Jy sigma=0.001191 wmodel J0518+2054_X_2008_04_02_pus_map.mod ! Writing 87 model components to file: J0518+2054_X_2008_04_02_pus_map.mod wobs J0518+2054_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0518+2054_X_2008_04_02_pus_uvs.fits wwins J0518+2054_X_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0518+2054_X_2008_04_02_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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00019828 Jy ! Component: 100 - total flux cleaned = 0.00024098 Jy ! Component: 150 - total flux cleaned = 0.000166521 Jy ! Component: 200 - total flux cleaned = 0.00023747 Jy ! Component: 250 - total flux cleaned = 0.00020274 Jy ! Component: 300 - total flux cleaned = 0.000268829 Jy ! Component: 350 - total flux cleaned = 0.00026873 Jy ! Component: 400 - total flux cleaned = 0.000332799 Jy ! Component: 450 - total flux cleaned = 0.000332975 Jy ! Component: 500 - total flux cleaned = 0.000302554 Jy ! Component: 550 - total flux cleaned = 0.000272768 Jy ! Component: 600 - total flux cleaned = 0.000272477 Jy ! Component: 650 - total flux cleaned = 0.00021389 Jy ! Component: 700 - total flux cleaned = 0.000242446 Jy ! Component: 750 - total flux cleaned = 0.000299263 Jy ! Component: 800 - total flux cleaned = 0.000298738 Jy ! Component: 850 - total flux cleaned = 0.000381547 Jy ! Component: 900 - total flux cleaned = 0.000353963 Jy ! Component: 950 - total flux cleaned = 0.000244723 Jy ! Component: 1000 - total flux cleaned = 0.000163595 Jy ! Component: 1050 - total flux cleaned = 0.000110073 Jy ! Component: 1100 - total flux cleaned = 8.37895e-05 Jy ! Component: 1150 - total flux cleaned = 0.000110171 Jy ! Component: 1200 - total flux cleaned = 8.42768e-05 Jy ! Component: 1250 - total flux cleaned = 0.000187982 Jy ! Component: 1300 - total flux cleaned = 0.000290858 Jy ! Component: 1350 - total flux cleaned = 0.000290826 Jy ! Component: 1400 - total flux cleaned = 0.000316142 Jy ! Component: 1450 - total flux cleaned = 0.000442078 Jy ! Component: 1500 - total flux cleaned = 0.000542033 Jy ! Component: 1550 - total flux cleaned = 0.00061638 Jy ! Component: 1600 - total flux cleaned = 0.000616209 Jy ! Component: 1650 - total flux cleaned = 0.00064077 Jy ! Component: 1700 - total flux cleaned = 0.000592235 Jy ! Component: 1750 - total flux cleaned = 0.00066484 Jy ! Component: 1800 - total flux cleaned = 0.000737085 Jy ! Component: 1850 - total flux cleaned = 0.000784766 Jy ! Component: 1900 - total flux cleaned = 0.000903356 Jy ! Component: 1950 - total flux cleaned = 0.000785451 Jy ! Component: 2000 - total flux cleaned = 0.000832667 Jy ! Total flux subtracted in 2048 components = 0.000902757 Jy ! Clean residual min=-0.001252 max=0.001734 Jy/beam ! Clean residual mean=-0.000004 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.262841 Jy keep ! Adding 161 model components to the UV plane model. ! The established model now contains 246 components and 0.262841 Jy wmap "J0518+2054_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6283 x 0.9354 at -2.116 degrees (North through East) ! Clean map min=-0.0019251 max=0.21806 Jy/beam ! Writing clean map to FITS file: J0518+2054_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.218056 invert ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1704 milli-arcsec ! The y-axis pixel size should ideally be below 0.1702 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000406451 device "J0518+2054_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0518+2054_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.559194 0.559194 1.11839 2.23678 4.47355 8.9471 17.8942 35.7884 71.5768 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.218 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6283 x 0.9354 at -2.116 degrees (North through East) ! Clean map min=-0.0019251 max=0.21806 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0518+2054_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0518+2054_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0518+2054_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:45:42 2010