! Started logfile: J2253+1942_X_2003_06_18_pus_uvs.log on Wed Jan 17 18:35:36 2007 obs J2253+1942_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J2253+1942_X_2003_06_18_pus_uva.fits ! AN table 1: 120 integrations on 153 of 153 possible baselines. ! AN table 2: 175 integrations on 153 of 153 possible baselines. ! AN table 3: Unused. ! AN table 4: 307 integrations on 153 of 153 possible baselines. ! AN table 5: 23 integrations on 153 of 153 possible baselines. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: 90 integrations on 153 of 153 possible baselines. ! AN table 9: Unused. ! Apparent sampling: 0.148105 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2253+1942 ! ! 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 2231 lines of history. ! ! Reading 64808 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 2124 telescope corrections were flagged in sub-array 1. ! A total of 2666 telescope corrections were flagged in sub-array 2. ! A total of 3888 telescope corrections were flagged in sub-array 3. ! A total of 414 telescope corrections were flagged in sub-array 4. ! A total of 1620 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 2001 telescope corrections were flagged in sub-array 1. ! A total of 2666 telescope corrections were flagged in sub-array 2. ! A total of 3774 telescope corrections were flagged in sub-array 3. ! A total of 414 telescope corrections were flagged in sub-array 4. ! A total of 1494 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 2067 telescope corrections were flagged in sub-array 1. ! A total of 2666 telescope corrections were flagged in sub-array 2. ! A total of 3777 telescope corrections were flagged in sub-array 3. ! A total of 414 telescope corrections were flagged in sub-array 4. ! A total of 1524 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 2067 telescope corrections were flagged in sub-array 1. ! A total of 2666 telescope corrections were flagged in sub-array 2. ! A total of 3774 telescope corrections were flagged in sub-array 3. ! A total of 414 telescope corrections were flagged in sub-array 4. ! A total of 1524 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.861084Jy sigma=0.010504 ! Fit after self-cal, rms=0.710050Jy sigma=0.008675 ! 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 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6667 mas, bmaj=1.432 mas, bpa=-1.813 degrees ! Estimated noise=845.977 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 = 0.251811 Jy ! Component: 100 - total flux cleaned = 0.310226 Jy ! Total flux subtracted in 100 components = 0.310226 Jy ! Clean residual min=-0.010716 max=0.022679 Jy/beam ! Clean residual mean=0.000105 rms=0.003129 Jy/beam ! Combined flux in latest and established models = 0.310226 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.310226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266408Jy sigma=0.001871 ! Fit after self-cal, rms=0.266359Jy sigma=0.001870 ! Inverting map ! Your choice of large map pixels excluded 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0268243 Jy ! Component: 100 - total flux cleaned = 0.0428949 Jy ! Total flux subtracted in 100 components = 0.0428949 Jy ! Clean residual min=-0.007108 max=0.008285 Jy/beam ! Clean residual mean=-0.000013 rms=0.002069 Jy/beam ! Combined flux in latest and established models = 0.353121 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 17 components and 0.353121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262460Jy sigma=0.001777 ! Fit after self-cal, rms=0.262293Jy sigma=0.001777 ! Inverting map ! Your choice of large map pixels excluded 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.9096 mas, bmaj=1.801 mas, bpa=-3.962 degrees ! Estimated noise=345.829 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 = 0.0118613 Jy ! Component: 100 - total flux cleaned = 0.0170594 Jy ! Component: 150 - total flux cleaned = 0.0194286 Jy ! Component: 200 - total flux cleaned = 0.0197164 Jy ! Total flux subtracted in 200 components = 0.0197164 Jy ! Clean residual min=-0.005427 max=0.004024 Jy/beam ! Clean residual mean=-0.000386 rms=0.001389 Jy/beam ! Combined flux in latest and established models = 0.372838 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 0.372838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261643Jy sigma=0.001766 ! Fit after self-cal, rms=0.261639Jy sigma=0.001766 ! Inverting map ! Your choice of large map pixels excluded 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 GG 1.00* HN 0.94 ! KK 1.03 KP 1.04 LA 0.97 MA 1.00* ! MK 1.00* NL 1.09 ON 1.00* OV 0.97 ! PT 0.96 SC 0.97 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.02 GG 1.00* HN 0.95 ! KK 1.00* KP 1.04 LA 1.01 MA 1.00* ! MK 1.01 NL 1.02 ON 1.05 OV 0.99 ! PT 1.01 SC 1.01 TC 1.00* TS 1.02 ! WF 0.99 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 159 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 1.01 GG 1.00* HN 0.90 ! KK 0.95 KP 0.97 LA 0.98 MA 1.00* ! MK 1.00* NL 1.05 ON 1.00* OV 0.94 ! PT 1.02 SC 1.00 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.00 GG 1.00* HN 0.95 ! KK 1.00* KP 0.98 LA 0.99 MA 1.01 ! MK 1.00 NL 1.00 ON 1.05 OV 1.00 ! PT 1.07 SC 0.97 TC 1.00* TS 1.00 ! WF 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 126 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.99 GG 1.00* HN 0.89 ! KK 1.06 KP 1.00 LA 0.99 MA 1.00* ! MK 1.00* NL 1.01 ON 1.00* OV 0.97 ! PT 1.05 SC 0.93 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 87 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.97 GG 1.00* HN 0.93 ! KK 1.00* KP 0.99 LA 1.00 MA 0.96 ! MK 0.97 NL 0.96 ON 1.00 OV 1.01 ! PT 1.06 SC 0.99 TC 1.00* TS 0.98 ! WF 0.99 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 96 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.94 GG 1.00* HN 0.91 ! KK 0.96 KP 0.97 LA 0.97 MA 1.00* ! MK 1.00* NL 1.04 ON 1.00* OV 0.97 ! PT 1.04 SC 1.02 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 90 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 GG 1.00* HN 0.96 ! KK 1.00* KP 0.99 LA 0.98 MA 0.94 ! MK 0.98 NL 0.96 ON 1.00 OV 1.01 ! PT 1.09 SC 1.01 TC 1.00* TS 1.01 ! WF 0.94 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 96 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.261639Jy sigma=0.001766 ! Fit after self-cal, rms=0.241619Jy sigma=0.001764 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9281 mas, bmaj=1.811 mas, bpa=-4.227 degrees ! Estimated noise=346.077 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 = 0.000461923 Jy ! Component: 100 - total flux cleaned = 0.000529505 Jy ! Component: 150 - total flux cleaned = 0.000558105 Jy ! Component: 200 - total flux cleaned = 0.000582684 Jy ! Total flux subtracted in 200 components = 0.000582684 Jy ! Clean residual min=-0.003655 max=0.003535 Jy/beam ! Clean residual mean=-0.000139 rms=0.001105 Jy/beam ! Combined flux in latest and established models = 0.37342 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 36 components and 0.37342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241609Jy sigma=0.001764 ! Fit after self-cal, rms=0.241562Jy sigma=0.001763 ! Inverting map 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=0.241562Jy sigma=0.001763 ! Fit after self-cal, rms=0.241784Jy sigma=0.001752 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9277 mas, bmaj=1.811 mas, bpa=-4.096 degrees ! Estimated noise=346.193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000314908 Jy ! Component: 100 - total flux cleaned = 0.000348694 Jy ! Component: 150 - total flux cleaned = 0.000376339 Jy ! Component: 200 - total flux cleaned = 0.000375874 Jy ! Total flux subtracted in 200 components = 0.000375874 Jy ! Clean residual min=-0.002913 max=0.002532 Jy/beam ! Clean residual mean=0.000041 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.373796 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 0.373796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241773Jy sigma=0.001752 ! Fit after self-cal, rms=0.241813Jy sigma=0.001752 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000101855 Jy ! Component: 100 - total flux cleaned = 0.000100681 Jy ! Component: 150 - total flux cleaned = 0.000124133 Jy ! Component: 200 - total flux cleaned = 0.000123143 Jy ! Total flux subtracted in 200 components = 0.000123143 Jy ! Clean residual min=-0.002899 max=0.002482 Jy/beam ! Clean residual mean=0.000035 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 0.373919 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 42 components and 0.373919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241807Jy sigma=0.001752 ! Fit after self-cal, rms=0.241808Jy sigma=0.001752 ! Inverting map 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=0.241808Jy sigma=0.001752 ! Fit after self-cal, rms=0.243973Jy sigma=0.001747 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9259 mas, bmaj=1.81 mas, bpa=-4.107 degrees ! Estimated noise=346.495 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110668 Jy ! Component: 100 - total flux cleaned = 0.00115609 Jy ! Component: 150 - total flux cleaned = 0.00115627 Jy ! Component: 200 - total flux cleaned = 0.00117627 Jy ! Total flux subtracted in 200 components = 0.00117627 Jy ! Clean residual min=-0.001981 max=0.002102 Jy/beam ! Clean residual mean=0.000097 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.375096 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.375096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243958Jy sigma=0.001747 ! Fit after self-cal, rms=0.243951Jy sigma=0.001747 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.00010074 Jy ! Component: 100 - total flux cleaned = 0.000100497 Jy ! Component: 150 - total flux cleaned = 8.08763e-05 Jy ! Component: 200 - total flux cleaned = 8.12375e-05 Jy ! Total flux subtracted in 200 components = 8.12375e-05 Jy ! Clean residual min=-0.001951 max=0.002072 Jy/beam ! Clean residual mean=0.000095 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 0.375177 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 0.375177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243946Jy sigma=0.001747 ! Fit after self-cal, rms=0.243947Jy sigma=0.001747 ! Inverting map 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=0.243947Jy sigma=0.001747 ! Fit after self-cal, rms=0.243523Jy sigma=0.001747 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3 mas, bmaj=3.095 mas, bpa=30.18 degrees ! Estimated noise=394.516 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132005 Jy ! Component: 100 - total flux cleaned = 0.00159291 Jy ! Component: 150 - total flux cleaned = 0.00160595 Jy ! Component: 200 - total flux cleaned = 0.00161886 Jy ! Total flux subtracted in 200 components = 0.00161886 Jy ! Clean residual min=-0.001627 max=0.002140 Jy/beam ! Clean residual mean=0.000140 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.376796 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 48 components and 0.376796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243520Jy sigma=0.001747 ! Fit after self-cal, rms=0.243505Jy sigma=0.001747 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 6.43103e-05 Jy ! Component: 100 - total flux cleaned = 6.37058e-05 Jy ! Component: 150 - total flux cleaned = 7.8678e-05 Jy ! Component: 200 - total flux cleaned = 9.07655e-05 Jy ! Total flux subtracted in 200 components = 9.07655e-05 Jy ! Clean residual min=-0.001615 max=0.002110 Jy/beam ! Clean residual mean=0.000136 rms=0.000569 Jy/beam ! Combined flux in latest and established models = 0.376887 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 48 components and 0.376886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243507Jy sigma=0.001747 ! Fit after self-cal, rms=0.243508Jy sigma=0.001747 ! Inverting map 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 ! Estimated beam: bmin=0.9243 mas, bmaj=1.808 mas, bpa=-4.089 degrees ! Estimated noise=346.763 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9243 x 1.808 at -4.089 degrees (North through East) ! Clean map min=-0.0019545 max=0.33306 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 ! Estimated beam: bmin=0.7004 mas, bmaj=1.432 mas, bpa=-3.074 degrees ! Estimated noise=787.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.251089 Jy ! Component: 100 - total flux cleaned = 0.310234 Jy ! Component: 150 - total flux cleaned = 0.336778 Jy ! Component: 200 - total flux cleaned = 0.352522 Jy ! Total flux subtracted in 200 components = 0.352522 Jy ! Clean residual min=-0.004753 max=0.007992 Jy/beam ! Clean residual mean=0.000076 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 0.352522 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.352522 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9243 mas, bmaj=1.808 mas, bpa=-4.089 degrees ! Estimated noise=346.763 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 = 0.0134073 Jy ! Component: 100 - total flux cleaned = 0.0192551 Jy ! Component: 150 - total flux cleaned = 0.0220153 Jy ! Component: 200 - total flux cleaned = 0.0233379 Jy ! Total flux subtracted in 200 components = 0.0233379 Jy ! Clean residual min=-0.002035 max=0.002031 Jy/beam ! Clean residual mean=0.000104 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.37586 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.37586 Jy ! Inverting map 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 ! Estimated beam: bmin=3 mas, bmaj=3.095 mas, bpa=30.18 degrees ! Estimated noise=394.516 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108922 Jy ! Component: 100 - total flux cleaned = 0.00117932 Jy ! Component: 150 - total flux cleaned = 0.00120619 Jy ! Component: 200 - total flux cleaned = 0.00122849 Jy ! Total flux subtracted in 200 components = 0.00122849 Jy ! Clean residual min=-0.001607 max=0.002117 Jy/beam ! Clean residual mean=0.000125 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.377088 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 = 1.87323e-05 Jy ! Component: 100 - total flux cleaned = 3.44612e-05 Jy ! Component: 150 - total flux cleaned = 4.83946e-05 Jy ! Component: 200 - total flux cleaned = 6.11181e-05 Jy ! Total flux subtracted in 200 components = 6.11181e-05 Jy ! Clean residual min=-0.001603 max=0.002095 Jy/beam ! Clean residual mean=0.000122 rms=0.000564 Jy/beam ! Combined flux in latest and established models = 0.377149 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.377149 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9243 mas, bmaj=1.808 mas, bpa=-4.089 degrees ! Estimated noise=346.763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000557659 Jy ! Component: 100 - total flux cleaned = -0.000513966 Jy ! Component: 150 - total flux cleaned = -0.000458934 Jy ! Component: 200 - total flux cleaned = -0.000411687 Jy ! Total flux subtracted in 200 components = -0.000411687 Jy ! Clean residual min=-0.001962 max=0.002004 Jy/beam ! Clean residual mean=0.000078 rms=0.000578 Jy/beam ! Combined flux in latest and established models = 0.376737 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 45 components and 0.376737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243502Jy sigma=0.001746 ! Fit after self-cal, rms=0.243501Jy sigma=0.001746 wmodel J2253+1942_X_2003_06_18_pus_map.mod ! Writing 45 model components to file: J2253+1942_X_2003_06_18_pus_map.mod wobs J2253+1942_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J2253+1942_X_2003_06_18_pus_uvs.fits wwins J2253+1942_X_2003_06_18_pus_map.win ! wwins: Wrote 1 windows to J2253+1942_X_2003_06_18_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000290603 Jy ! Component: 100 - total flux cleaned = 0.000601232 Jy ! Component: 150 - total flux cleaned = 0.000928993 Jy ! Component: 200 - total flux cleaned = 0.00130167 Jy ! Component: 250 - total flux cleaned = 0.001569 Jy ! Component: 300 - total flux cleaned = 0.00168399 Jy ! Component: 350 - total flux cleaned = 0.00179601 Jy ! Component: 400 - total flux cleaned = 0.00190526 Jy ! Component: 450 - total flux cleaned = 0.0019852 Jy ! Component: 500 - total flux cleaned = 0.00208921 Jy ! Component: 550 - total flux cleaned = 0.00214016 Jy ! Component: 600 - total flux cleaned = 0.00219038 Jy ! Component: 650 - total flux cleaned = 0.00226408 Jy ! Component: 700 - total flux cleaned = 0.00231201 Jy ! Component: 750 - total flux cleaned = 0.00238271 Jy ! Component: 800 - total flux cleaned = 0.00240575 Jy ! Component: 850 - total flux cleaned = 0.00245139 Jy ! Component: 900 - total flux cleaned = 0.00247403 Jy ! Component: 950 - total flux cleaned = 0.00249641 Jy ! Component: 1000 - total flux cleaned = 0.00249639 Jy ! Total flux subtracted in 1024 components = 0.00251801 Jy ! Clean residual min=-0.001466 max=0.001403 Jy/beam ! Clean residual mean=0.000018 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.379255 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 111 components and 0.379255 Jy wmap "J2253+1942_X_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9243 x 1.808 at -4.089 degrees (North through East) ! Clean map min=-0.0016652 max=0.33229 Jy/beam ! Writing clean map to FITS file: J2253+1942_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.332287 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000437608 device "J2253+1942_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1942_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.395087 0.395087 0.790174 1.58035 3.1607 6.32139 12.6428 25.2856 50.5711 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.332 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9243 x 1.808 at -4.089 degrees (North through East) ! Clean map min=-0.0016652 max=0.33229 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1942_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1942_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2253+1942_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 18:37:34 2007