! Started logfile: J0237+2848_S_2003_06_18_pus_uvs.log on Wed Jan 24 16:58:55 2007 obs J0237+2848_S_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0237+2848_S_2003_06_18_pus_uva.fits ! AN table 1: 167 integrations on 153 of 153 possible baselines. ! AN table 2: 53 integrations on 153 of 153 possible baselines. ! AN table 3: 120 integrations on 153 of 153 possible baselines. ! AN table 4: 28 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.21677 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0237+2848 ! ! 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 48820 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 1849 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 1098 telescope corrections were flagged in sub-array 3. ! A total of 504 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1846 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 1098 telescope corrections were flagged in sub-array 3. ! A total of 504 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1849 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 1098 telescope corrections were flagged in sub-array 3. ! A total of 504 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1872 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 1098 telescope corrections were flagged in sub-array 3. ! A total of 504 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.454211Jy sigma=0.016830 ! Fit after self-cal, rms=1.090469Jy sigma=0.013023 ! 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=1.974 mas, bmaj=4.27 mas, bpa=4.719 degrees ! Estimated noise=581.602 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 = 1.3814 Jy ! Component: 100 - total flux cleaned = 1.73694 Jy ! Total flux subtracted in 100 components = 1.73694 Jy ! Clean residual min=-0.039121 max=0.174972 Jy/beam ! Clean residual mean=0.000160 rms=0.014317 Jy/beam ! Combined flux in latest and established models = 1.73694 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.73694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.615199Jy sigma=0.006453 ! Fit after self-cal, rms=0.613293Jy sigma=0.006448 ! Inverting map ! Added new window around map position (-1, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.196482 Jy ! Component: 100 - total flux cleaned = 0.320813 Jy ! Total flux subtracted in 100 components = 0.320813 Jy ! Clean residual min=-0.029730 max=0.069938 Jy/beam ! Clean residual mean=0.000100 rms=0.009718 Jy/beam ! Combined flux in latest and established models = 2.05776 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 37 components and 2.05776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.502364Jy sigma=0.004582 ! Fit after self-cal, rms=0.500029Jy sigma=0.004557 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0966615 Jy ! Component: 100 - total flux cleaned = 0.168576 Jy ! Total flux subtracted in 100 components = 0.168576 Jy ! Clean residual min=-0.025841 max=0.044389 Jy/beam ! Clean residual mean=0.000059 rms=0.007813 Jy/beam ! Combined flux in latest and established models = 2.22633 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 52 components and 2.22633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.463867Jy sigma=0.003841 ! Fit after self-cal, rms=0.462793Jy sigma=0.003828 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0609492 Jy ! Component: 100 - total flux cleaned = 0.107386 Jy ! Total flux subtracted in 100 components = 0.107386 Jy ! Clean residual min=-0.026934 max=0.036983 Jy/beam ! Clean residual mean=0.000032 rms=0.006898 Jy/beam ! Combined flux in latest and established models = 2.33372 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 65 components and 2.33372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.447074Jy sigma=0.003486 ! Fit after self-cal, rms=0.446447Jy sigma=0.003479 ! 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=2.824 mas, bmaj=5.22 mas, bpa=8.395 degrees ! Estimated noise=305.113 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 = 0.0826435 Jy ! Component: 100 - total flux cleaned = 0.133626 Jy ! Component: 150 - total flux cleaned = 0.167568 Jy ! Component: 200 - total flux cleaned = 0.19049 Jy ! Total flux subtracted in 200 components = 0.19049 Jy ! Clean residual min=-0.034436 max=0.031622 Jy/beam ! Clean residual mean=-0.000700 rms=0.007744 Jy/beam ! Combined flux in latest and established models = 2.52421 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 87 components and 2.52421 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.432027Jy sigma=0.003163 ! Fit after self-cal, rms=0.431099Jy sigma=0.003146 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 GG 1.00* HN 0.86 ! KK 1.04 KP 0.91 LA 0.98 MA 1.00* ! MK 1.01 NL 1.00 ON 1.00* OV 0.97 ! PT 0.97 SC 0.94 TC 1.07 TS 1.03 ! WF 1.14 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 0.99 GG 1.00* HN 0.95 ! KK 1.09 KP 0.97 LA 1.01 MA 1.00* ! MK 0.99 NL 1.08 ON 1.00* OV 1.00* ! PT 1.01 SC 0.93 TC 1.16 TS 1.00* ! WF 1.31 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 FD 1.00 GG 1.00* HN 1.02 ! KK 1.14 KP 0.96 LA 1.00 MA 1.00* ! MK 1.05 NL 1.04 ON 1.12 OV 0.90 ! PT 1.00 SC 0.93 TC 1.14 TS 1.00* ! WF 1.14 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* ! ! ! Correcting IF 2. ! A total of 69 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 0.97 ! KK 1.03 KP 0.99 LA 0.98 MA 1.00* ! MK 1.12 NL 0.95 ON 1.00* OV 0.91 ! PT 0.96 SC 0.95 TC 1.00 TS 1.06 ! WF 1.04 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 1.01 GG 1.00* HN 1.05 ! KK 1.08 KP 1.05 LA 1.01 MA 1.00* ! MK 1.06 NL 1.02 ON 1.00* OV 1.00* ! PT 1.01 SC 0.95 TC 1.01 TS 1.00* ! WF 1.04 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.02 GG 1.00* HN 1.04 ! KK 1.13 KP 1.05 LA 1.00 MA 1.00* ! MK 1.12 NL 0.98 ON 1.02 OV 0.94 ! PT 1.00 SC 0.94 TC 1.03 TS 1.00* ! WF 1.04 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* ! ! ! Correcting IF 3. ! A total of 66 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 1.00 ! KK 1.01 KP 0.98 LA 0.94 MA 1.00* ! MK 1.02 NL 0.94 ON 1.00* OV 0.94 ! PT 0.97 SC 1.11 TC 0.97 TS 1.10 ! WF 1.05 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 0.99 GG 1.00* HN 1.05 ! KK 1.06 KP 1.02 LA 0.97 MA 1.00* ! MK 1.02 NL 1.01 ON 1.00* OV 1.00* ! PT 1.01 SC 1.09 TC 1.01 TS 1.00* ! WF 1.09 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.01 GG 1.00* HN 1.04 ! KK 1.11 KP 1.02 LA 0.95 MA 1.00* ! MK 1.07 NL 0.98 ON 1.01 OV 1.01 ! PT 1.00 SC 1.07 TC 0.99 TS 1.00* ! WF 1.06 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* ! ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GG 1.00* HN 1.01 ! KK 1.01 KP 0.99 LA 0.98 MA 1.00* ! MK 0.98 NL 0.98 ON 1.00* OV 0.90 ! PT 1.01 SC 1.08 TC 0.97 TS 1.07 ! WF 1.03 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 1.01 GG 1.00* HN 0.84 ! KK 1.08 KP 1.04 LA 1.01 MA 1.00* ! MK 0.96 NL 1.05 ON 1.00* OV 1.00* ! PT 1.06 SC 1.10 TC 1.05 TS 1.00* ! WF 1.09 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00 GG 1.00* HN 1.06 ! KK 1.11 KP 1.03 LA 0.99 MA 1.00* ! MK 1.01 NL 1.02 ON 1.06 OV 0.91 ! PT 1.05 SC 1.08 TC 0.99 TS 1.00* ! WF 1.05 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* ! ! ! Fit before self-cal, rms=0.431099Jy sigma=0.003146 ! Fit after self-cal, rms=0.407026Jy sigma=0.002653 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.869 mas, bmaj=5.289 mas, bpa=8.362 degrees ! Estimated noise=305.997 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 (1, 14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267295 Jy ! Component: 100 - total flux cleaned = 0.0359635 Jy ! Component: 150 - total flux cleaned = 0.0403878 Jy ! Component: 200 - total flux cleaned = 0.0422836 Jy ! Total flux subtracted in 200 components = 0.0422836 Jy ! Clean residual min=-0.014948 max=0.015276 Jy/beam ! Clean residual mean=0.000037 rms=0.003642 Jy/beam ! Combined flux in latest and established models = 2.56649 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 2.56649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.404643Jy sigma=0.002599 ! Fit after self-cal, rms=0.404395Jy sigma=0.002594 ! 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=0.404395Jy sigma=0.002594 ! Fit after self-cal, rms=0.397478Jy sigma=0.002396 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.872 mas, bmaj=5.287 mas, bpa=8.434 degrees ! Estimated noise=305.515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115837 Jy ! Component: 100 - total flux cleaned = 0.0148695 Jy ! Component: 150 - total flux cleaned = 0.0168051 Jy ! Component: 200 - total flux cleaned = 0.0181535 Jy ! Total flux subtracted in 200 components = 0.0181535 Jy ! Clean residual min=-0.011875 max=0.012418 Jy/beam ! Clean residual mean=-0.000072 rms=0.002606 Jy/beam ! Combined flux in latest and established models = 2.58464 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 122 components and 2.58464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.396559Jy sigma=0.002374 ! Fit after self-cal, rms=0.396427Jy sigma=0.002372 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 = 0.00250433 Jy ! Component: 100 - total flux cleaned = 0.00441936 Jy ! Component: 150 - total flux cleaned = 0.00554628 Jy ! Component: 200 - total flux cleaned = 0.00606717 Jy ! Total flux subtracted in 200 components = 0.00606717 Jy ! Clean residual min=-0.012179 max=0.011209 Jy/beam ! Clean residual mean=-0.000105 rms=0.002487 Jy/beam ! Combined flux in latest and established models = 2.59071 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 127 components and 2.59071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.395966Jy sigma=0.002363 ! Fit after self-cal, rms=0.395887Jy sigma=0.002362 ! 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=0.395887Jy sigma=0.002362 ! Fit after self-cal, rms=0.393801Jy sigma=0.002265 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.879 mas, bmaj=5.286 mas, bpa=8.436 degrees ! Estimated noise=305.589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00261832 Jy ! Component: 100 - total flux cleaned = 0.00391512 Jy ! Component: 150 - total flux cleaned = 0.0047547 Jy ! Component: 200 - total flux cleaned = 0.0050067 Jy ! Total flux subtracted in 200 components = 0.0050067 Jy ! Clean residual min=-0.009403 max=0.008088 Jy/beam ! Clean residual mean=-0.000133 rms=0.001808 Jy/beam ! Combined flux in latest and established models = 2.59572 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 131 components and 2.59572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393299Jy sigma=0.002256 ! Fit after self-cal, rms=0.393238Jy sigma=0.002255 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 = 0.000854197 Jy ! Component: 100 - total flux cleaned = 0.00177803 Jy ! Component: 150 - total flux cleaned = 0.00237969 Jy ! Component: 200 - total flux cleaned = 0.00255528 Jy ! Total flux subtracted in 200 components = 0.00255528 Jy ! Clean residual min=-0.009010 max=0.007548 Jy/beam ! Clean residual mean=-0.000147 rms=0.001727 Jy/beam ! Combined flux in latest and established models = 2.59827 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 136 components and 2.59827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393000Jy sigma=0.002250 ! Fit after self-cal, rms=0.392956Jy sigma=0.002249 ! 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=0.392956Jy sigma=0.002249 ! Fit after self-cal, rms=0.394136Jy sigma=0.002246 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.053 mas, bmaj=10.28 mas, bpa=-1.455 degrees ! Estimated noise=363.809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0026048 Jy ! Component: 100 - total flux cleaned = 0.0041897 Jy ! Component: 150 - total flux cleaned = 0.00530304 Jy ! Component: 200 - total flux cleaned = 0.00610636 Jy ! Total flux subtracted in 200 components = 0.00610636 Jy ! Clean residual min=-0.008557 max=0.006792 Jy/beam ! Clean residual mean=-0.000314 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 2.60438 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 163 components and 2.60438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.394195Jy sigma=0.002245 ! Fit after self-cal, rms=0.394123Jy sigma=0.002243 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 = -0.000106237 Jy ! Component: 100 - total flux cleaned = 0.00066257 Jy ! Component: 150 - total flux cleaned = 0.00143058 Jy ! Component: 200 - total flux cleaned = 0.00206407 Jy ! Total flux subtracted in 200 components = 0.00206407 Jy ! Clean residual min=-0.009138 max=0.006564 Jy/beam ! Clean residual mean=-0.000344 rms=0.002234 Jy/beam ! Combined flux in latest and established models = 2.60644 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 167 components and 2.60644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.394121Jy sigma=0.002242 ! Fit after self-cal, rms=0.394072Jy sigma=0.002241 ! 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=2.887 mas, bmaj=5.286 mas, bpa=8.463 degrees ! Estimated noise=305.817 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.887 x 5.286 at 8.463 degrees (North through East) ! Clean map min=-0.0082081 max=1.8532 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=0.394072Jy sigma=0.002241 ! Fit after self-cal, rms=0.448739Jy sigma=0.001739 ! Inverting map and beam ! Estimated beam: bmin=2.888 mas, bmaj=5.285 mas, bpa=8.506 degrees ! Estimated noise=304.957 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00442554 Jy ! Component: 100 - total flux cleaned = -0.00442335 Jy ! Component: 150 - total flux cleaned = -0.00423463 Jy ! Component: 200 - total flux cleaned = -0.00405965 Jy ! Total flux subtracted in 200 components = -0.00405965 Jy ! Clean residual min=-0.006222 max=0.005178 Jy/beam ! Clean residual mean=-0.000044 rms=0.001258 Jy/beam ! Combined flux in latest and established models = 2.60238 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 171 components and 2.60238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.448431Jy sigma=0.001734 ! Fit after self-cal, rms=0.448424Jy sigma=0.001734 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000415475 Jy ! Component: 100 - total flux cleaned = 0.000573142 Jy ! Component: 150 - total flux cleaned = 0.000571882 Jy ! Component: 200 - total flux cleaned = 0.000574069 Jy ! Total flux subtracted in 200 components = 0.000574069 Jy ! Clean residual min=-0.005860 max=0.005177 Jy/beam ! Clean residual mean=-0.000047 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 2.60296 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 172 components and 2.60296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.448262Jy sigma=0.001731 ! Fit after self-cal, rms=0.448258Jy sigma=0.001731 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.448258Jy sigma=0.001731 ! Fit after self-cal, rms=0.451507Jy sigma=0.001729 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=2.021 mas, bmaj=4.295 mas, bpa=4.733 degrees ! Estimated noise=589.337 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.40176 Jy ! Component: 100 - total flux cleaned = 1.77408 Jy ! Component: 150 - total flux cleaned = 1.96094 Jy ! Component: 200 - total flux cleaned = 2.08211 Jy ! Total flux subtracted in 200 components = 2.08211 Jy ! Clean residual min=-0.018897 max=0.068178 Jy/beam ! Clean residual mean=0.000121 rms=0.007165 Jy/beam ! Combined flux in latest and established models = 2.08211 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 46 model components to the UV plane model. ! The established model now contains 46 components and 2.08211 Jy ! Inverting map and beam ! Estimated beam: bmin=2.895 mas, bmaj=5.287 mas, bpa=8.529 degrees ! Estimated noise=304.807 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 = 0.168921 Jy ! Component: 100 - total flux cleaned = 0.267082 Jy ! Component: 150 - total flux cleaned = 0.331798 Jy ! Component: 200 - total flux cleaned = 0.377118 Jy ! Total flux subtracted in 200 components = 0.377118 Jy ! Clean residual min=-0.009065 max=0.025943 Jy/beam ! Clean residual mean=0.000819 rms=0.004760 Jy/beam ! Combined flux in latest and established models = 2.45923 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 114 components and 2.45923 Jy ! Inverting map ! Added new window around map position (-3, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330759 Jy ! Component: 100 - total flux cleaned = 0.0575825 Jy ! Component: 150 - total flux cleaned = 0.0763001 Jy ! Component: 200 - total flux cleaned = 0.0908153 Jy ! Total flux subtracted in 200 components = 0.0908153 Jy ! Clean residual min=-0.005965 max=0.009687 Jy/beam ! Clean residual mean=0.000279 rms=0.001985 Jy/beam ! Combined flux in latest and established models = 2.55004 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 154 components and 2.55004 Jy ! Inverting map ! Added new window around map position (2, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115704 Jy ! Component: 100 - total flux cleaned = 0.0206251 Jy ! Component: 150 - total flux cleaned = 0.0267745 Jy ! Component: 200 - total flux cleaned = 0.029276 Jy ! Total flux subtracted in 200 components = 0.029276 Jy ! Clean residual min=-0.005000 max=0.005140 Jy/beam ! Clean residual mean=0.000105 rms=0.001316 Jy/beam ! Combined flux in latest and established models = 2.57932 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 174 components and 2.57932 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=7.061 mas, bmaj=10.28 mas, bpa=-1.446 degrees ! Estimated noise=361.788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00805462 Jy ! Component: 100 - total flux cleaned = 0.0127286 Jy ! Component: 150 - total flux cleaned = 0.0158425 Jy ! Component: 200 - total flux cleaned = 0.0170375 Jy ! Total flux subtracted in 200 components = 0.0170375 Jy ! Clean residual min=-0.004534 max=0.004862 Jy/beam ! Clean residual mean=0.000010 rms=0.001642 Jy/beam ! Combined flux in latest and established models = 2.59636 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000599458 Jy ! Component: 100 - total flux cleaned = 0.000922366 Jy ! Component: 150 - total flux cleaned = 0.00115382 Jy ! Component: 200 - total flux cleaned = 0.00136372 Jy ! Total flux subtracted in 200 components = 0.00136372 Jy ! Clean residual min=-0.004414 max=0.004793 Jy/beam ! Clean residual mean=-0.000011 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 2.59772 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 244 components and 2.59772 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.895 mas, bmaj=5.287 mas, bpa=8.529 degrees ! Estimated noise=304.807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144194 Jy ! Component: 100 - total flux cleaned = -0.000888551 Jy ! Component: 150 - total flux cleaned = -0.000723728 Jy ! Component: 200 - total flux cleaned = -0.000726028 Jy ! Total flux subtracted in 200 components = -0.000726028 Jy ! Clean residual min=-0.004102 max=0.004820 Jy/beam ! Clean residual mean=0.000003 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 2.597 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 248 components and 2.597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.451242Jy sigma=0.001725 ! Fit after self-cal, rms=0.451133Jy sigma=0.001722 wmodel J0237+2848_S_2003_06_18_pus_map.mod ! Writing 248 model components to file: J0237+2848_S_2003_06_18_pus_map.mod wobs J0237+2848_S_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0237+2848_S_2003_06_18_pus_uvs.fits wwins J0237+2848_S_2003_06_18_pus_map.win ! wwins: Wrote 5 windows to J0237+2848_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 = 0.000372458 Jy ! Component: 100 - total flux cleaned = 2.51519e-05 Jy ! Component: 150 - total flux cleaned = -0.000372375 Jy ! Component: 200 - total flux cleaned = -0.000694302 Jy ! Component: 250 - total flux cleaned = -0.000943286 Jy ! Component: 300 - total flux cleaned = -0.00124218 Jy ! Component: 350 - total flux cleaned = -0.00153247 Jy ! Component: 400 - total flux cleaned = -0.0017596 Jy ! Component: 450 - total flux cleaned = -0.00203626 Jy ! Component: 500 - total flux cleaned = -0.00219869 Jy ! Component: 550 - total flux cleaned = -0.00235804 Jy ! Component: 600 - total flux cleaned = -0.00256686 Jy ! Component: 650 - total flux cleaned = -0.0026176 Jy ! Component: 700 - total flux cleaned = -0.00266774 Jy ! Component: 750 - total flux cleaned = -0.00276706 Jy ! Component: 800 - total flux cleaned = -0.00281548 Jy ! Component: 850 - total flux cleaned = -0.00271815 Jy ! Component: 900 - total flux cleaned = -0.00276649 Jy ! Component: 950 - total flux cleaned = -0.00276693 Jy ! Component: 1000 - total flux cleaned = -0.00276727 Jy ! Component: 1050 - total flux cleaned = -0.00276763 Jy ! Component: 1100 - total flux cleaned = -0.0027676 Jy ! Component: 1150 - total flux cleaned = -0.00281275 Jy ! Component: 1200 - total flux cleaned = -0.002768 Jy ! Component: 1250 - total flux cleaned = -0.00276831 Jy ! Component: 1300 - total flux cleaned = -0.00281223 Jy ! Component: 1350 - total flux cleaned = -0.00281231 Jy ! Component: 1400 - total flux cleaned = -0.00276969 Jy ! Component: 1450 - total flux cleaned = -0.00281246 Jy ! Component: 1500 - total flux cleaned = -0.00272757 Jy ! Component: 1550 - total flux cleaned = -0.00272753 Jy ! Component: 1600 - total flux cleaned = -0.002686 Jy ! Component: 1650 - total flux cleaned = -0.00264507 Jy ! Component: 1700 - total flux cleaned = -0.00268588 Jy ! Component: 1750 - total flux cleaned = -0.00264523 Jy ! Component: 1800 - total flux cleaned = -0.00268516 Jy ! Component: 1850 - total flux cleaned = -0.00260478 Jy ! Component: 1900 - total flux cleaned = -0.00272366 Jy ! Component: 1950 - total flux cleaned = -0.00268375 Jy ! Component: 2000 - total flux cleaned = -0.00260549 Jy ! Total flux subtracted in 2048 components = -0.00268349 Jy ! Clean residual min=-0.002316 max=0.002017 Jy/beam ! Clean residual mean=0.000018 rms=0.000729 Jy/beam ! Combined flux in latest and established models = 2.59431 Jy keep ! Adding 127 model components to the UV plane model. ! The established model now contains 367 components and 2.59431 Jy wmap "J0237+2848_S_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.895 x 5.287 at 8.529 degrees (North through East) ! Clean map min=-0.0044181 max=1.8511 Jy/beam ! Writing clean map to FITS file: J0237+2848_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 1.85106 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000731061 device "J0237+2848_S_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0237+2848_S_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.118483 0.118483 0.236965 0.47393 0.94786 1.89572 3.79144 7.58288 15.1658 30.3315 60.6631 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.851 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.895 x 5.287 at 8.529 degrees (North through East) ! Clean map min=-0.0044181 max=1.8511 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0237+2848_S_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0237+2848_S_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0237+2848_S_2003_06_18_pus_uvs.log closed on Wed Jan 24 17:01:39 2007