! Started logfile: J2253+1942_S_2003_06_18_pus_uvs.log on Wed Jan 24 19:28:12 2007 obs J2253+1942_S_2003_06_18_pus_uva.fits ! Reading UV FITS file: J2253+1942_S_2003_06_18_pus_uva.fits ! AN table 1: 23 integrations on 153 of 153 possible baselines. ! AN table 2: 143 integrations on 153 of 153 possible baselines. ! AN table 3: 124 integrations on 153 of 153 possible baselines. ! AN table 4: 187 integrations on 153 of 153 possible baselines. ! AN table 5: 23 integrations on 153 of 153 possible baselines. ! AN table 6: 37 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0805735 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2429 lines of history. ! ! Reading 26480 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 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 0.500x0.500 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 270 telescope corrections were flagged in sub-array 1. ! A total of 1876 telescope corrections were flagged in sub-array 2. ! A total of 2105 telescope corrections were flagged in sub-array 3. ! A total of 2404 telescope corrections were flagged in sub-array 4. ! A total of 414 telescope corrections were flagged in sub-array 5. ! A total of 454 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 270 telescope corrections were flagged in sub-array 1. ! A total of 1880 telescope corrections were flagged in sub-array 2. ! A total of 2105 telescope corrections were flagged in sub-array 3. ! A total of 2404 telescope corrections were flagged in sub-array 4. ! A total of 414 telescope corrections were flagged in sub-array 5. ! A total of 454 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 270 telescope corrections were flagged in sub-array 1. ! A total of 1880 telescope corrections were flagged in sub-array 2. ! A total of 2105 telescope corrections were flagged in sub-array 3. ! A total of 2408 telescope corrections were flagged in sub-array 4. ! A total of 414 telescope corrections were flagged in sub-array 5. ! A total of 454 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 4. ! A total of 270 telescope corrections were flagged in sub-array 1. ! A total of 1975 telescope corrections were flagged in sub-array 2. ! A total of 2105 telescope corrections were flagged in sub-array 3. ! A total of 2404 telescope corrections were flagged in sub-array 4. ! A total of 414 telescope corrections were flagged in sub-array 5. ! A total of 454 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=0.872370Jy sigma=0.009363 ! Fit after self-cal, rms=0.751244Jy sigma=0.008125 ! 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 ! Estimated beam: bmin=2.899 mas, bmaj=4.926 mas, bpa=-4.182 degrees ! Estimated noise=746.361 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 = 0.197743 Jy ! Component: 100 - total flux cleaned = 0.252134 Jy ! Total flux subtracted in 100 components = 0.252134 Jy ! Clean residual min=-0.008718 max=0.024260 Jy/beam ! Clean residual mean=0.000146 rms=0.002906 Jy/beam ! Combined flux in latest and established models = 0.252134 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.252134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208224Jy sigma=0.001865 ! Fit after self-cal, rms=0.208117Jy sigma=0.001865 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0287428 Jy ! Component: 100 - total flux cleaned = 0.045765 Jy ! Total flux subtracted in 100 components = 0.045765 Jy ! Clean residual min=-0.006598 max=0.008635 Jy/beam ! Clean residual mean=0.000051 rms=0.001858 Jy/beam ! Combined flux in latest and established models = 0.297899 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 24 components and 0.297899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203071Jy sigma=0.001799 ! Fit after self-cal, rms=0.202936Jy sigma=0.001798 ! Inverting map 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 ! Estimated beam: bmin=3.815 mas, bmaj=6.477 mas, bpa=-6.714 degrees ! Estimated noise=430.364 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 = 0.0107475 Jy ! Component: 100 - total flux cleaned = 0.01509 Jy ! Component: 150 - total flux cleaned = 0.0166435 Jy ! Component: 200 - total flux cleaned = 0.016901 Jy ! Total flux subtracted in 200 components = 0.016901 Jy ! Clean residual min=-0.003899 max=0.004780 Jy/beam ! Clean residual mean=0.000116 rms=0.001191 Jy/beam ! Combined flux in latest and established models = 0.314801 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.314801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202374Jy sigma=0.001792 ! Fit after self-cal, rms=0.202327Jy sigma=0.001792 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GG 1.00* HN 0.83 ! KK 1.00* KP 1.00 LA 1.02 MA 1.00* ! MK 1.00* NL 0.94 ON 1.00* OV 1.00* ! PT 0.95 SC 0.96 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GG 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 0.98 MA 1.00* ! MK 1.00* NL 0.99 ON 0.93 OV 1.00* ! PT 0.98 SC 0.96 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 1.01 GG 1.00* HN 1.00* ! KK 1.01 KP 0.80 LA 1.01 MA 1.00* ! MK 1.00* NL 1.02 ON 1.00* OV 0.89 ! PT 1.06 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 0.99 GG 1.00* HN 0.84 ! KK 1.00* KP 0.98 LA 1.02 MA 1.00* ! MK 0.98 NL 1.01 ON 1.00* OV 0.98 ! PT 1.03 SC 0.92 TC 1.00* TS 1.18 ! WF 1.05 WZ 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.02 GG 1.00* HN 1.00* ! KK 1.00* KP 0.92 LA 0.96 MA 1.00* ! MK 1.00* NL 1.04 ON 1.00* OV 0.99 ! PT 0.97 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GG 1.00* HN 0.89 ! KK 1.00* KP 1.14 LA 1.02 MA 1.00* ! MK 1.00* NL 0.91 ON 1.00* OV 1.00* ! PT 0.94 SC 0.98 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GG 1.00* HN 1.03 ! KK 1.00* KP 1.00* LA 0.96 MA 1.00* ! MK 1.00* NL 0.97 ON 0.86 OV 1.00* ! PT 1.03 SC 0.95 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 1.09 GG 1.00* HN 1.00* ! KK 0.91 KP 1.06 LA 1.01 MA 1.00* ! MK 1.00* NL 1.01 ON 1.00* OV 0.77 ! PT 0.94 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.02 GG 1.00* HN 0.98 ! KK 1.00* KP 1.05 LA 1.04 MA 1.00* ! MK 1.01 NL 0.93 ON 1.00* OV 0.96 ! PT 1.00 SC 0.93 TC 1.00* TS 1.16 ! WF 1.04 WZ 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 0.95 GG 1.00* HN 1.00* ! KK 1.00* KP 1.09 LA 0.94 MA 1.00* ! MK 1.00* NL 0.98 ON 1.00* OV 0.99 ! PT 1.02 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GG 1.00* HN 0.88 ! KK 1.00* KP 1.08 LA 0.94 MA 1.00* ! MK 1.00* NL 1.00 ON 1.00* OV 1.00* ! PT 0.98 SC 1.07 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GG 1.00* HN 1.11 ! KK 1.00* KP 1.00* LA 0.99 MA 1.00* ! MK 1.00* NL 1.00 ON 0.88 OV 1.00* ! PT 1.00 SC 1.10 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.76 FD 1.04 GG 1.00* HN 1.00* ! KK 0.92 KP 0.98 LA 0.98 MA 1.00* ! MK 1.00* NL 1.02 ON 1.00* OV 1.01 ! PT 1.02 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 96 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.01 GG 1.00* HN 1.01 ! KK 1.00* KP 1.04 LA 0.98 MA 1.00* ! MK 1.02 NL 0.93 ON 1.00* OV 0.99 ! PT 1.02 SC 1.08 TC 1.00* TS 1.12 ! WF 1.00 WZ 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.04 GG 1.00* HN 1.00* ! KK 1.00* KP 1.03 LA 0.94 MA 1.00* ! MK 1.00* NL 1.00 ON 1.00* OV 0.99 ! PT 1.02 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GG 1.00* HN 0.84 ! KK 1.00* KP 1.09 LA 0.97 MA 1.00* ! MK 1.00* NL 0.92 ON 1.00* OV 1.00* ! PT 1.06 SC 1.12 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GG 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.02 MA 1.00* ! MK 1.00* NL 0.99 ON 1.06 OV 1.00* ! PT 1.04 SC 1.09 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.78 FD 1.06 GG 1.00* HN 1.00* ! KK 0.98 KP 1.09 LA 0.91 MA 1.00* ! MK 1.00* NL 1.23 ON 1.00* OV 0.92 ! PT 1.10 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.03 GG 1.00* HN 1.11 ! KK 1.00* KP 1.03 LA 1.01 MA 1.00* ! MK 1.05 NL 1.00 ON 1.00* OV 0.91 ! PT 1.08 SC 1.09 TC 1.00* TS 1.00 ! WF 1.01 WZ 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.01 GG 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 1.04 MA 1.00* ! MK 1.00* NL 1.01 ON 1.00* OV 0.99 ! PT 1.05 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.202327Jy sigma=0.001792 ! Fit after self-cal, rms=0.196627Jy sigma=0.001785 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.833 mas, bmaj=6.541 mas, bpa=-6.347 degrees ! Estimated noise=432.906 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 = -0.00116092 Jy ! Component: 100 - total flux cleaned = -0.00120977 Jy ! Component: 150 - total flux cleaned = -0.00121032 Jy ! Component: 200 - total flux cleaned = -0.00119461 Jy ! Total flux subtracted in 200 components = -0.00119461 Jy ! Clean residual min=-0.002676 max=0.002817 Jy/beam ! Clean residual mean=0.000008 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.313606 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 42 components and 0.313606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196618Jy sigma=0.001785 ! Fit after self-cal, rms=0.196583Jy sigma=0.001785 ! 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=0.196583Jy sigma=0.001785 ! Fit after self-cal, rms=0.197980Jy sigma=0.001779 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.841 mas, bmaj=6.549 mas, bpa=-6.229 degrees ! Estimated noise=433.444 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.07457e-05 Jy ! Component: 100 - total flux cleaned = 6.08287e-05 Jy ! Component: 150 - total flux cleaned = 9.61686e-05 Jy ! Component: 200 - total flux cleaned = 0.000127825 Jy ! Total flux subtracted in 200 components = 0.000127825 Jy ! Clean residual min=-0.002473 max=0.002905 Jy/beam ! Clean residual mean=0.000031 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.313734 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 46 components and 0.313734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197975Jy sigma=0.001779 ! Fit after self-cal, rms=0.198010Jy sigma=0.001779 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 = -4.59658e-05 Jy ! Component: 100 - total flux cleaned = -2.91468e-05 Jy ! Component: 150 - total flux cleaned = 1.41939e-05 Jy ! Component: 200 - total flux cleaned = 2.71576e-05 Jy ! Total flux subtracted in 200 components = 2.71576e-05 Jy ! Clean residual min=-0.002453 max=0.002856 Jy/beam ! Clean residual mean=0.000030 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.313761 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 0.313761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198007Jy sigma=0.001779 ! Fit after self-cal, rms=0.198005Jy sigma=0.001779 ! 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=0.198005Jy sigma=0.001779 ! Fit after self-cal, rms=0.198424Jy sigma=0.001779 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.845 mas, bmaj=6.549 mas, bpa=-6.213 degrees ! Estimated noise=434.053 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000250812 Jy ! Component: 100 - total flux cleaned = 0.000282531 Jy ! Component: 150 - total flux cleaned = 0.000310609 Jy ! Component: 200 - total flux cleaned = 0.000323691 Jy ! Total flux subtracted in 200 components = 0.000323691 Jy ! Clean residual min=-0.002492 max=0.002888 Jy/beam ! Clean residual mean=0.000031 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.314085 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 0.314085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198420Jy sigma=0.001779 ! Fit after self-cal, rms=0.198421Jy sigma=0.001779 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 = -1.88081e-06 Jy ! Component: 100 - total flux cleaned = 1.08823e-05 Jy ! Component: 150 - total flux cleaned = 3.40284e-05 Jy ! Component: 200 - total flux cleaned = 3.44854e-05 Jy ! Total flux subtracted in 200 components = 3.44854e-05 Jy ! Clean residual min=-0.002494 max=0.002873 Jy/beam ! Clean residual mean=0.000030 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.314119 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 51 components and 0.314119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198418Jy sigma=0.001779 ! Fit after self-cal, rms=0.198418Jy sigma=0.001779 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.198418Jy sigma=0.001779 ! Fit after self-cal, rms=0.198723Jy sigma=0.001779 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.37 mas, bmaj=10.8 mas, bpa=60.5 degrees ! Estimated noise=506.171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000295276 Jy ! Component: 100 - total flux cleaned = 0.000314489 Jy ! Component: 150 - total flux cleaned = 0.000329204 Jy ! Component: 200 - total flux cleaned = 0.000341873 Jy ! Total flux subtracted in 200 components = 0.000341873 Jy ! Clean residual min=-0.002911 max=0.002317 Jy/beam ! Clean residual mean=0.000056 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.314461 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 51 components and 0.314461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198724Jy sigma=0.001779 ! Fit after self-cal, rms=0.198723Jy sigma=0.001779 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 = -1.44601e-06 Jy ! Component: 100 - total flux cleaned = 1.34262e-05 Jy ! Component: 150 - total flux cleaned = 1.92768e-05 Jy ! Component: 200 - total flux cleaned = 2.8425e-05 Jy ! Total flux subtracted in 200 components = 2.8425e-05 Jy ! Clean residual min=-0.002906 max=0.002323 Jy/beam ! Clean residual mean=0.000056 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.314489 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 52 components and 0.314489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198724Jy sigma=0.001779 ! Fit after self-cal, rms=0.198724Jy sigma=0.001779 ! 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=3.848 mas, bmaj=6.547 mas, bpa=-6.204 degrees ! Estimated noise=434.604 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.848 x 6.547 at -6.204 degrees (North through East) ! Clean map min=-0.0024538 max=0.27076 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=2.974 mas, bmaj=4.935 mas, bpa=-3.554 degrees ! Estimated noise=754.352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.197521 Jy ! Component: 100 - total flux cleaned = 0.250531 Jy ! Component: 150 - total flux cleaned = 0.277732 Jy ! Component: 200 - total flux cleaned = 0.293589 Jy ! Total flux subtracted in 200 components = 0.293589 Jy ! Clean residual min=-0.005776 max=0.008021 Jy/beam ! Clean residual mean=0.000056 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 0.293589 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.293589 Jy ! Inverting map and beam ! Estimated beam: bmin=3.848 mas, bmaj=6.547 mas, bpa=-6.204 degrees ! Estimated noise=434.604 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 = 0.0124059 Jy ! Component: 100 - total flux cleaned = 0.0176631 Jy ! Component: 150 - total flux cleaned = 0.0199939 Jy ! Component: 200 - total flux cleaned = 0.0205576 Jy ! Total flux subtracted in 200 components = 0.0205576 Jy ! Clean residual min=-0.002524 max=0.002983 Jy/beam ! Clean residual mean=0.000037 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.314147 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.314147 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.37 mas, bmaj=10.8 mas, bpa=60.5 degrees ! Estimated noise=506.171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000422976 Jy ! Component: 100 - total flux cleaned = 0.000442881 Jy ! Component: 150 - total flux cleaned = 0.00047322 Jy ! Component: 200 - total flux cleaned = 0.000495259 Jy ! Total flux subtracted in 200 components = 0.000495259 Jy ! Clean residual min=-0.002886 max=0.002324 Jy/beam ! Clean residual mean=0.000051 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.314642 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 = 8.74976e-06 Jy ! Component: 100 - total flux cleaned = 2.30879e-05 Jy ! Component: 150 - total flux cleaned = 2.9471e-05 Jy ! Component: 200 - total flux cleaned = 2.95104e-05 Jy ! Total flux subtracted in 200 components = 2.95104e-05 Jy ! Clean residual min=-0.002893 max=0.002341 Jy/beam ! Clean residual mean=0.000050 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.314672 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 47 components and 0.314672 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.848 mas, bmaj=6.547 mas, bpa=-6.204 degrees ! Estimated noise=434.604 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.94498e-05 Jy ! Component: 100 - total flux cleaned = 8.83963e-05 Jy ! Component: 150 - total flux cleaned = 6.64759e-05 Jy ! Component: 200 - total flux cleaned = 6.58283e-05 Jy ! Total flux subtracted in 200 components = 6.58283e-05 Jy ! Clean residual min=-0.002541 max=0.002920 Jy/beam ! Clean residual mean=0.000026 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.314738 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 51 components and 0.314738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198742Jy sigma=0.001779 ! Fit after self-cal, rms=0.198743Jy sigma=0.001779 wmodel J2253+1942_S_2003_06_18_pus_map.mod ! Writing 51 model components to file: J2253+1942_S_2003_06_18_pus_map.mod wobs J2253+1942_S_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J2253+1942_S_2003_06_18_pus_uvs.fits wwins J2253+1942_S_2003_06_18_pus_map.win ! wwins: Wrote 1 windows to J2253+1942_S_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=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000919513 Jy ! Component: 100 - total flux cleaned = 0.00145303 Jy ! Component: 150 - total flux cleaned = 0.0019941 Jy ! Component: 200 - total flux cleaned = 0.00247353 Jy ! Component: 250 - total flux cleaned = 0.0028216 Jy ! Component: 300 - total flux cleaned = 0.00308434 Jy ! Component: 350 - total flux cleaned = 0.00330403 Jy ! Component: 400 - total flux cleaned = 0.00341175 Jy ! Component: 450 - total flux cleaned = 0.00355174 Jy ! Component: 500 - total flux cleaned = 0.00358615 Jy ! Component: 550 - total flux cleaned = 0.0035869 Jy ! Component: 600 - total flux cleaned = 0.00368603 Jy ! Component: 650 - total flux cleaned = 0.00375081 Jy ! Component: 700 - total flux cleaned = 0.00375071 Jy ! Component: 750 - total flux cleaned = 0.00384473 Jy ! Component: 800 - total flux cleaned = 0.0038136 Jy ! Component: 850 - total flux cleaned = 0.00384433 Jy ! Component: 900 - total flux cleaned = 0.00384427 Jy ! Component: 950 - total flux cleaned = 0.0038443 Jy ! Component: 1000 - total flux cleaned = 0.00387348 Jy ! Component: 1050 - total flux cleaned = 0.00381583 Jy ! Component: 1100 - total flux cleaned = 0.00384444 Jy ! Component: 1150 - total flux cleaned = 0.0038725 Jy ! Component: 1200 - total flux cleaned = 0.00384452 Jy ! Component: 1250 - total flux cleaned = 0.00378967 Jy ! Component: 1300 - total flux cleaned = 0.00381695 Jy ! Component: 1350 - total flux cleaned = 0.00376324 Jy ! Component: 1400 - total flux cleaned = 0.00376314 Jy ! Component: 1450 - total flux cleaned = 0.00373684 Jy ! Component: 1500 - total flux cleaned = 0.00365844 Jy ! Component: 1550 - total flux cleaned = 0.00363262 Jy ! Component: 1600 - total flux cleaned = 0.00355597 Jy ! Component: 1650 - total flux cleaned = 0.00353081 Jy ! Component: 1700 - total flux cleaned = 0.00348041 Jy ! Component: 1750 - total flux cleaned = 0.00340589 Jy ! Component: 1800 - total flux cleaned = 0.00335628 Jy ! Component: 1850 - total flux cleaned = 0.00330725 Jy ! Component: 1900 - total flux cleaned = 0.00325857 Jy ! Component: 1950 - total flux cleaned = 0.00316227 Jy ! Component: 2000 - total flux cleaned = 0.00316217 Jy ! Total flux subtracted in 2048 components = 0.0030913 Jy ! Clean residual min=-0.001340 max=0.001487 Jy/beam ! Clean residual mean=-0.000041 rms=0.000479 Jy/beam ! Combined flux in latest and established models = 0.317829 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 180 components and 0.317829 Jy wmap "J2253+1942_S_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.848 x 6.547 at -6.204 degrees (North through East) ! Clean map min=-0.0022661 max=0.27054 Jy/beam ! Writing clean map to FITS file: J2253+1942_S_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 0.270544 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00047989 device "J2253+1942_S_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1942_S_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.532139 0.532139 1.06428 2.12856 4.25711 8.51423 17.0285 34.0569 68.1138 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.27 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.848 x 6.547 at -6.204 degrees (North through East) ! Clean map min=-0.0022661 max=0.27054 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1942_S_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1942_S_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2253+1942_S_2003_06_18_pus_uvs.log closed on Wed Jan 24 19:31:39 2007