! Started logfile: J0753+5352_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:46:56 2010 obs J0753+5352_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0753+5352_X_2008_04_02_pus_uva.fits ! AN table 1: 94 integrations on 120 of 120 possible baselines. ! AN table 2: 15 integrations on 120 of 120 possible baselines. ! AN table 3: 35 integrations on 120 of 120 possible baselines. ! AN table 4: 15 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.182966 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0753+5352 ! ! 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 13964 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 889 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! A total of 275 telescope corrections were flagged in sub-array 3. ! A total of 240 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 889 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! A total of 275 telescope corrections were flagged in sub-array 3. ! A total of 240 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 889 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! A total of 275 telescope corrections were flagged in sub-array 3. ! A total of 240 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 889 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! A total of 275 telescope corrections were flagged in sub-array 3. ! A total of 240 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.563773Jy sigma=0.004878 ! Fit after self-cal, rms=0.453892Jy sigma=0.003789 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.759 mas, bmaj=1.111 mas, bpa=53.82 degrees ! Estimated noise=1268.73 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 = 0.434341 Jy ! Component: 100 - total flux cleaned = 0.560585 Jy ! Total flux subtracted in 100 components = 0.560585 Jy ! Clean residual min=-0.026377 max=0.064231 Jy/beam ! Clean residual mean=-0.000002 rms=0.005680 Jy/beam ! Combined flux in latest and established models = 0.560585 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.560585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207262Jy sigma=0.001707 ! Fit after self-cal, rms=0.205979Jy sigma=0.001698 ! Inverting map ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (0.4, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0712327 Jy ! Component: 100 - total flux cleaned = 0.110242 Jy ! Total flux subtracted in 100 components = 0.110242 Jy ! Clean residual min=-0.013584 max=0.030371 Jy/beam ! Clean residual mean=-0.000021 rms=0.003191 Jy/beam ! Combined flux in latest and established models = 0.670828 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.670828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174304Jy sigma=0.001326 ! Fit after self-cal, rms=0.172842Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0277033 Jy ! Component: 100 - total flux cleaned = 0.0408172 Jy ! Total flux subtracted in 100 components = 0.0408172 Jy ! Clean residual min=-0.009450 max=0.013543 Jy/beam ! Clean residual mean=-0.000028 rms=0.002372 Jy/beam ! Combined flux in latest and established models = 0.711645 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 0.711645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168364Jy sigma=0.001255 ! Fit after self-cal, rms=0.167863Jy sigma=0.001251 ! Inverting map ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.081 mas, bmaj=1.518 mas, bpa=64.97 degrees ! Estimated noise=684.453 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 = 0.011821 Jy ! Component: 100 - total flux cleaned = 0.0153415 Jy ! Component: 150 - total flux cleaned = 0.0159087 Jy ! Component: 200 - total flux cleaned = 0.0160316 Jy ! Total flux subtracted in 200 components = 0.0160316 Jy ! Clean residual min=-0.008254 max=0.008757 Jy/beam ! Clean residual mean=-0.000174 rms=0.002147 Jy/beam ! Combined flux in latest and established models = 0.727676 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 22 components and 0.727676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167207Jy sigma=0.001241 ! Fit after self-cal, rms=0.167045Jy sigma=0.001239 ! Inverting map ! Your choice of large map pixels excluded 0.477% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HH 1.00* HN 1.00 ! KK 0.96 KP 1.04 LA 1.00 MK 0.99 ! NL 1.04 NY 0.97 ON 1.00* OV 1.03 ! PT 1.02 SC 1.01 WZ 1.29 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00* ! KK 0.98 KP 1.05 LA 1.01 MK 0.97 ! NL 1.01 NY 1.00* ON 1.00* OV 1.01 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.97 HH 1.00* HN 1.02 ! KK 1.00* KP 1.00 LA 0.98 MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 1.03 ! PT 0.99 SC 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HH 1.00* HN 1.02 ! KK 0.97 KP 0.99 LA 1.01 MK 0.97 ! NL 1.01 NY 1.05 ON 1.00* OV 1.00 ! PT 1.01 SC 0.99 WZ 1.21 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 HH 1.00* HN 1.00* ! KK 0.96 KP 0.98 LA 1.00 MK 0.98 ! NL 1.01 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.97 HH 1.00* HN 1.00 ! KK 1.00* KP 0.93 LA 0.96 MK 1.00* ! NL 0.94 NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 0.94 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HH 1.00* HN 1.00 ! KK 1.09 KP 1.02 LA 1.03 MK 1.01 ! NL 1.04 NY 0.95 ON 1.00* OV 1.04 ! PT 1.00 SC 1.03 WZ 1.05 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.02 HH 1.00* HN 1.00* ! KK 1.01 KP 1.00 LA 1.04 MK 1.01 ! NL 1.02 NY 1.00* ON 1.00* OV 1.04 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 HH 1.00* HN 1.01 ! KK 1.00* KP 0.96 LA 1.00 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 0.99 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 1.03 ! KK 0.99 KP 1.01 LA 1.04 MK 1.01 ! NL 1.06 NY 1.03 ON 1.00* OV 1.02 ! PT 1.00 SC 0.97 WZ 1.12 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 HH 1.00* HN 1.00* ! KK 1.00 KP 1.02 LA 1.04 MK 1.05 ! NL 1.01 NY 1.00* ON 1.00* OV 1.03 ! PT 0.99 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.98 HH 1.00* HN 1.04 ! KK 1.00* KP 0.94 LA 0.98 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 0.99 ! PT 0.96 SC 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.167045Jy sigma=0.001239 ! Fit after self-cal, rms=0.165978Jy sigma=0.001211 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.104 mas, bmaj=1.522 mas, bpa=65.32 degrees ! Estimated noise=682.705 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 = 0.000689153 Jy ! Component: 100 - total flux cleaned = -3.21361e-05 Jy ! Component: 150 - total flux cleaned = -0.000455151 Jy ! Component: 200 - total flux cleaned = -0.000703081 Jy ! Total flux subtracted in 200 components = -0.000703081 Jy ! Clean residual min=-0.006198 max=0.006141 Jy/beam ! Clean residual mean=-0.000079 rms=0.001422 Jy/beam ! Combined flux in latest and established models = 0.726973 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.726973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165724Jy sigma=0.001209 ! Fit after self-cal, rms=0.165708Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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=0.165708Jy sigma=0.001208 ! Fit after self-cal, rms=0.166110Jy sigma=0.001191 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.105 mas, bmaj=1.519 mas, bpa=65.47 degrees ! Estimated noise=682.713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000775968 Jy ! Component: 100 - total flux cleaned = 0.000660066 Jy ! Component: 150 - total flux cleaned = 0.000577145 Jy ! Component: 200 - total flux cleaned = 0.000583953 Jy ! Total flux subtracted in 200 components = 0.000583953 Jy ! Clean residual min=-0.003367 max=0.003892 Jy/beam ! Clean residual mean=0.000017 rms=0.000893 Jy/beam ! Combined flux in latest and established models = 0.727557 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 37 components and 0.727557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165990Jy sigma=0.001190 ! Fit after self-cal, rms=0.165993Jy sigma=0.001190 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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 = 0.000124434 Jy ! Component: 100 - total flux cleaned = 0.00020507 Jy ! Component: 150 - total flux cleaned = 0.000201079 Jy ! Component: 200 - total flux cleaned = 0.000148722 Jy ! Total flux subtracted in 200 components = 0.000148722 Jy ! Clean residual min=-0.003209 max=0.003721 Jy/beam ! Clean residual mean=0.000017 rms=0.000862 Jy/beam ! Combined flux in latest and established models = 0.727706 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.727706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165924Jy sigma=0.001189 ! Fit after self-cal, rms=0.165900Jy sigma=0.001189 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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=0.165900Jy sigma=0.001189 ! Fit after self-cal, rms=0.166203Jy sigma=0.001189 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.105 mas, bmaj=1.519 mas, bpa=65.58 degrees ! Estimated noise=682.276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000457205 Jy ! Component: 100 - total flux cleaned = 0.000458435 Jy ! Component: 150 - total flux cleaned = 0.000399062 Jy ! Component: 200 - total flux cleaned = 0.000352658 Jy ! Total flux subtracted in 200 components = 0.000352658 Jy ! Clean residual min=-0.003080 max=0.003533 Jy/beam ! Clean residual mean=0.000017 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.728059 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 44 components and 0.728059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166154Jy sigma=0.001188 ! Fit after self-cal, rms=0.166142Jy sigma=0.001188 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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 = 6.98985e-05 Jy ! Component: 100 - total flux cleaned = 7.62666e-05 Jy ! Component: 150 - total flux cleaned = 7.76908e-05 Jy ! Component: 200 - total flux cleaned = 4.24544e-05 Jy ! Total flux subtracted in 200 components = 4.24544e-05 Jy ! Clean residual min=-0.003031 max=0.003419 Jy/beam ! Clean residual mean=0.000017 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 0.728101 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 47 components and 0.728101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166111Jy sigma=0.001188 ! Fit after self-cal, rms=0.166100Jy sigma=0.001188 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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=0.166100Jy sigma=0.001188 ! Fit after self-cal, rms=0.166406Jy sigma=0.001188 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.675 mas, bmaj=3.047 mas, bpa=72.01 degrees ! Estimated noise=803.754 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000765379 Jy ! Component: 100 - total flux cleaned = 0.000853658 Jy ! Component: 150 - total flux cleaned = 0.000914853 Jy ! Component: 200 - total flux cleaned = 0.000978363 Jy ! Total flux subtracted in 200 components = 0.000978363 Jy ! Clean residual min=-0.003392 max=0.003094 Jy/beam ! Clean residual mean=0.000033 rms=0.000913 Jy/beam ! Combined flux in latest and established models = 0.729079 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.72908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166403Jy sigma=0.001187 ! Fit after self-cal, rms=0.166398Jy sigma=0.001187 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 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 = -1.05058e-05 Jy ! Component: 100 - total flux cleaned = 5.63748e-05 Jy ! Component: 150 - total flux cleaned = 0.000120744 Jy ! Component: 200 - total flux cleaned = 0.000150997 Jy ! Total flux subtracted in 200 components = 0.000150997 Jy ! Clean residual min=-0.003344 max=0.003096 Jy/beam ! Clean residual mean=0.000033 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 0.729231 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 53 components and 0.72923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166395Jy sigma=0.001187 ! Fit after self-cal, rms=0.166385Jy sigma=0.001187 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.106 mas, bmaj=1.519 mas, bpa=65.66 degrees ! Estimated noise=682.003 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.106 x 1.519 at 65.66 degrees (North through East) ! Clean map min=-0.0027559 max=0.56624 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=0.166385Jy sigma=0.001187 ! Fit after self-cal, rms=0.162161Jy sigma=0.001087 ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.105 mas, bmaj=1.521 mas, bpa=65.64 degrees ! Estimated noise=681.562 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000113649 Jy ! Component: 100 - total flux cleaned = -0.000202208 Jy ! Component: 150 - total flux cleaned = -0.000317576 Jy ! Component: 200 - total flux cleaned = -0.000418451 Jy ! Total flux subtracted in 200 components = -0.000418451 Jy ! Clean residual min=-0.002914 max=0.003182 Jy/beam ! Clean residual mean=0.000024 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.728812 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 55 components and 0.728812 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162130Jy sigma=0.001087 ! Fit after self-cal, rms=0.162132Jy sigma=0.001087 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.01357e-05 Jy ! Component: 100 - total flux cleaned = 5.50933e-05 Jy ! Component: 150 - total flux cleaned = -3.59616e-05 Jy ! Component: 200 - total flux cleaned = -0.000113845 Jy ! Total flux subtracted in 200 components = -0.000113845 Jy ! Clean residual min=-0.002881 max=0.003207 Jy/beam ! Clean residual mean=0.000024 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.728698 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.728698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162113Jy sigma=0.001087 ! Fit after self-cal, rms=0.162115Jy sigma=0.001087 ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162115Jy sigma=0.001087 ! Fit after self-cal, rms=0.162406Jy sigma=0.001087 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.7864 mas, bmaj=1.107 mas, bpa=53.08 degrees ! Estimated noise=1297.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.435921 Jy ! Component: 100 - total flux cleaned = 0.581343 Jy ! Component: 150 - total flux cleaned = 0.646638 Jy ! Component: 200 - total flux cleaned = 0.678203 Jy ! Total flux subtracted in 200 components = 0.678203 Jy ! Clean residual min=-0.007519 max=0.015220 Jy/beam ! Clean residual mean=0.000001 rms=0.001909 Jy/beam ! Combined flux in latest and established models = 0.678203 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.678203 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.106 mas, bmaj=1.521 mas, bpa=65.7 degrees ! Estimated noise=681.372 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 = 0.025607 Jy ! Component: 100 - total flux cleaned = 0.0378718 Jy ! Component: 150 - total flux cleaned = 0.0443047 Jy ! Component: 200 - total flux cleaned = 0.0478116 Jy ! Total flux subtracted in 200 components = 0.0478116 Jy ! Clean residual min=-0.003126 max=0.003378 Jy/beam ! Clean residual mean=0.000023 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.726014 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 39 components and 0.726014 Jy ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.673 mas, bmaj=3.046 mas, bpa=72.14 degrees ! Estimated noise=802.895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241297 Jy ! Component: 100 - total flux cleaned = 0.00317416 Jy ! Component: 150 - total flux cleaned = 0.00320814 Jy ! Component: 200 - total flux cleaned = 0.00320867 Jy ! Total flux subtracted in 200 components = 0.00320867 Jy ! Clean residual min=-0.003221 max=0.003187 Jy/beam ! Clean residual mean=0.000046 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.729223 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 = -1.37093e-05 Jy ! Component: 100 - total flux cleaned = -1.38765e-05 Jy ! Component: 150 - total flux cleaned = -2.63011e-05 Jy ! Component: 200 - total flux cleaned = -3.77869e-05 Jy ! Total flux subtracted in 200 components = -3.77869e-05 Jy ! Clean residual min=-0.003214 max=0.003184 Jy/beam ! Clean residual mean=0.000046 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.729185 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 51 components and 0.729185 Jy ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=1.106 mas, bmaj=1.521 mas, bpa=65.7 degrees ! Estimated noise=681.372 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000248483 Jy ! Component: 100 - total flux cleaned = -0.000247677 Jy ! Component: 150 - total flux cleaned = -0.000302677 Jy ! Component: 200 - total flux cleaned = -0.000400571 Jy ! Total flux subtracted in 200 components = -0.000400571 Jy ! Clean residual min=-0.002916 max=0.003363 Jy/beam ! Clean residual mean=0.000024 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.728785 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 56 components and 0.728785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162553Jy sigma=0.001087 ! Fit after self-cal, rms=0.162486Jy sigma=0.001087 wmodel J0753+5352_X_2008_04_02_pus_map.mod ! Writing 56 model components to file: J0753+5352_X_2008_04_02_pus_map.mod wobs J0753+5352_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0753+5352_X_2008_04_02_pus_uvs.fits wwins J0753+5352_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0753+5352_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 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107509 Jy ! Component: 100 - total flux cleaned = 0.00151539 Jy ! Component: 150 - total flux cleaned = 0.00172483 Jy ! Component: 200 - total flux cleaned = 0.0018728 Jy ! Component: 250 - total flux cleaned = 0.00211002 Jy ! Component: 300 - total flux cleaned = 0.00215494 Jy ! Component: 350 - total flux cleaned = 0.00237711 Jy ! Component: 400 - total flux cleaned = 0.00237741 Jy ! Component: 450 - total flux cleaned = 0.00254822 Jy ! Component: 500 - total flux cleaned = 0.00254925 Jy ! Component: 550 - total flux cleaned = 0.00259019 Jy ! Component: 600 - total flux cleaned = 0.00247089 Jy ! Component: 650 - total flux cleaned = 0.00243216 Jy ! Component: 700 - total flux cleaned = 0.00227833 Jy ! Component: 750 - total flux cleaned = 0.00220171 Jy ! Component: 800 - total flux cleaned = 0.00201426 Jy ! Component: 850 - total flux cleaned = 0.00186656 Jy ! Component: 900 - total flux cleaned = 0.0018308 Jy ! Component: 950 - total flux cleaned = 0.00165026 Jy ! Component: 1000 - total flux cleaned = 0.0015791 Jy ! Component: 1050 - total flux cleaned = 0.00126262 Jy ! Component: 1100 - total flux cleaned = 0.00126287 Jy ! Component: 1150 - total flux cleaned = 0.00109024 Jy ! Component: 1200 - total flux cleaned = 0.000953412 Jy ! Component: 1250 - total flux cleaned = 0.000818393 Jy ! Component: 1300 - total flux cleaned = 0.0008517 Jy ! Component: 1350 - total flux cleaned = 0.000851426 Jy ! Component: 1400 - total flux cleaned = 0.000752348 Jy ! Component: 1450 - total flux cleaned = 0.000785249 Jy ! Component: 1500 - total flux cleaned = 0.000882594 Jy ! Component: 1550 - total flux cleaned = 0.00104275 Jy ! Component: 1600 - total flux cleaned = 0.00101126 Jy ! Component: 1650 - total flux cleaned = 0.00120025 Jy ! Component: 1700 - total flux cleaned = 0.00132505 Jy ! Component: 1750 - total flux cleaned = 0.00132498 Jy ! Component: 1800 - total flux cleaned = 0.00147892 Jy ! Component: 1850 - total flux cleaned = 0.00150942 Jy ! Component: 1900 - total flux cleaned = 0.00147904 Jy ! Component: 1950 - total flux cleaned = 0.0016296 Jy ! Component: 2000 - total flux cleaned = 0.00165944 Jy ! Total flux subtracted in 2048 components = 0.00162942 Jy ! Clean residual min=-0.001748 max=0.001824 Jy/beam ! Clean residual mean=0.000036 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.730414 Jy keep ! Adding 155 model components to the UV plane model. ! The established model now contains 211 components and 0.730414 Jy wmap "J0753+5352_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.106 x 1.521 at 65.7 degrees (North through East) ! Clean map min=-0.0025078 max=0.56405 Jy/beam ! Writing clean map to FITS file: J0753+5352_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 0.564046 invert ! Inverting map ! Your choice of large map pixels excluded 0.409% of the data. ! The y-axis pixel size should ideally be below 0.1898 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000557469 device "J0753+5352_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0753+5352_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.296502 0.296502 0.593003 1.18601 2.37201 4.74402 9.48805 18.9761 37.9522 75.9044 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.564 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.106 x 1.521 at 65.7 degrees (North through East) ! Clean map min=-0.0025078 max=0.56405 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0753+5352_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0753+5352_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0753+5352_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:47:00 2010