! Started logfile: J0251+4315_S_2007_12_05_pus_uvs.log on Sat Sep 11 23:13:44 2010 obs J0251+4315_S_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0251+4315_S_2007_12_05_pus_uva.fits ! AN table 1: 185 integrations on 136 of 136 possible baselines. ! AN table 2: 434 integrations on 136 of 136 possible baselines. ! AN table 3: 29 integrations on 136 of 136 possible baselines. ! AN table 4: 39 integrations on 136 of 136 possible baselines. ! AN table 5: 59 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0778466 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0251+4315 ! ! 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 1723 lines of history. ! ! Reading 31592 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 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 2396 telescope corrections were flagged in sub-array 1. ! A total of 5453 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 579 telescope corrections were flagged in sub-array 4. ! A total of 762 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 2396 telescope corrections were flagged in sub-array 1. ! A total of 5453 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 579 telescope corrections were flagged in sub-array 4. ! A total of 762 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 2396 telescope corrections were flagged in sub-array 1. ! A total of 5453 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 579 telescope corrections were flagged in sub-array 4. ! A total of 762 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 2432 telescope corrections were flagged in sub-array 1. ! A total of 5693 telescope corrections were flagged in sub-array 2. ! A total of 493 telescope corrections were flagged in sub-array 3. ! A total of 621 telescope corrections were flagged in sub-array 4. ! A total of 762 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.648041Jy sigma=0.004749 ! Fit after self-cal, rms=0.463068Jy sigma=0.003021 ! 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=2.009 mas, bmaj=2.892 mas, bpa=-10.46 degrees ! Estimated noise=980.479 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 = 0.553393 Jy ! Component: 100 - total flux cleaned = 0.743469 Jy ! Total flux subtracted in 100 components = 0.743469 Jy ! Clean residual min=-0.026492 max=0.085382 Jy/beam ! Clean residual mean=0.000982 rms=0.008968 Jy/beam ! Combined flux in latest and established models = 0.743469 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.743469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332947Jy sigma=0.002176 ! Fit after self-cal, rms=0.332176Jy sigma=0.002175 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0957153 Jy ! Component: 100 - total flux cleaned = 0.146901 Jy ! Total flux subtracted in 100 components = 0.146901 Jy ! Clean residual min=-0.018577 max=0.055750 Jy/beam ! Clean residual mean=0.000418 rms=0.006014 Jy/beam ! Combined flux in latest and established models = 0.89037 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.89037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300016Jy sigma=0.001736 ! Fit after self-cal, rms=0.299160Jy sigma=0.001736 ! Inverting map ! Added new window around map position (7.5, -10). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0485719 Jy ! Component: 100 - total flux cleaned = 0.0760725 Jy ! Total flux subtracted in 100 components = 0.0760725 Jy ! Clean residual min=-0.017098 max=0.031040 Jy/beam ! Clean residual mean=0.000079 rms=0.004880 Jy/beam ! Combined flux in latest and established models = 0.966443 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 31 components and 0.966443 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290392Jy sigma=0.001618 ! Fit after self-cal, rms=0.288712Jy sigma=0.001609 ! Inverting map ! Added new window around map position (4, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0314729 Jy ! Component: 100 - total flux cleaned = 0.0516259 Jy ! Total flux subtracted in 100 components = 0.0516259 Jy ! Clean residual min=-0.015237 max=0.019346 Jy/beam ! Clean residual mean=-0.000150 rms=0.004173 Jy/beam ! Combined flux in latest and established models = 1.01807 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 42 components and 1.01807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284885Jy sigma=0.001555 ! Fit after self-cal, rms=0.284486Jy sigma=0.001552 ! 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=2.182 mas, bmaj=3.342 mas, bpa=-14.97 degrees ! Estimated noise=535.648 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 (3.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021594 Jy ! Component: 100 - total flux cleaned = 0.0329877 Jy ! Component: 150 - total flux cleaned = 0.0361163 Jy ! Component: 200 - total flux cleaned = 0.0386796 Jy ! Total flux subtracted in 200 components = 0.0386796 Jy ! Clean residual min=-0.017312 max=0.012895 Jy/beam ! Clean residual mean=-0.003166 rms=0.003408 Jy/beam ! Combined flux in latest and established models = 1.05675 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 60 components and 1.05675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282109Jy sigma=0.001531 ! Fit after self-cal, rms=0.281851Jy sigma=0.001529 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 177 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.09 HH 1.00* HN 1.09 ! KB 1.00* KP 1.00* LA 0.99 MK 1.00* ! NL 0.92 NY 0.93 ON 1.00* OV 0.96 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.11 HH 1.03 HN 1.01 ! KB 1.01 KP 1.00* LA 0.98 MK 1.00* ! NL 0.90 NY 0.96 ON 1.03 OV 0.97 ! PT 0.99 SV 1.06 TS 1.01 WZ 0.94 ! ZC 1.01 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.06 TS 0.93 WZ 0.94 ! ZC 1.07 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.98 FD 1.09 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.98 MK 1.00* ! NL 0.93 NY 1.00* ON 1.00* OV 0.93 ! PT 0.96 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 177 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HH 1.00* HN 1.05 ! KB 1.00* KP 1.00* LA 1.08 MK 1.00* ! NL 0.94 NY 1.25 ON 1.00* OV 1.01 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 HH 1.05 HN 1.08 ! KB 1.07 KP 1.00* LA 1.07 MK 1.00* ! NL 0.92 NY 1.03 ON 0.97 OV 1.00 ! PT 0.99 SV 1.08 TS 1.10 WZ 0.89 ! ZC 0.99 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.06 TS 0.99 WZ 0.90 ! ZC 1.01 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.03 FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.06 MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 0.96 ! PT 0.98 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 177 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HH 1.00* HN 1.06 ! KB 1.00* KP 1.00* LA 1.00 MK 1.00* ! NL 1.00 NY 0.85 ON 1.00* OV 1.02 ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.01 HH 0.94 HN 1.02 ! KB 1.04 KP 1.00* LA 0.97 MK 1.00* ! NL 0.97 NY 0.91 ON 0.95 OV 1.03 ! PT 1.04 SV 0.93 TS 0.94 WZ 0.99 ! ZC 1.03 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.92 TS 0.92 WZ 0.99 ! ZC 1.04 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.07 FD 1.03 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.96 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.99 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 141 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 1.00* HN 1.07 ! KB 1.00* KP 1.00* LA 1.00 MK 1.00* ! NL 0.90 NY 0.86 ON 1.00* OV 1.01 ! PT 0.94 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 135 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.96 HH 0.96 HN 1.01 ! KB 1.01 KP 1.00* LA 0.99 MK 1.00* ! NL 0.89 NY 0.91 ON 0.93 OV 1.01 ! PT 0.90 SV 1.00* TS 1.09 WZ 0.95 ! ZC 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00 FD 0.90 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 0.99 MK 1.00* ! NL 0.93 NY 1.00* ON 1.00* OV 1.02 ! PT 0.87 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.281851Jy sigma=0.001529 ! Fit after self-cal, rms=0.269597Jy sigma=0.001413 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.174 mas, bmaj=3.346 mas, bpa=-16.57 degrees ! Estimated noise=559.343 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 = 0.00583062 Jy ! Component: 100 - total flux cleaned = 0.00726229 Jy ! Component: 150 - total flux cleaned = 0.00780042 Jy ! Component: 200 - total flux cleaned = 0.00796408 Jy ! Total flux subtracted in 200 components = 0.00796408 Jy ! Clean residual min=-0.006245 max=0.005939 Jy/beam ! Clean residual mean=-0.000608 rms=0.001525 Jy/beam ! Combined flux in latest and established models = 1.06471 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 71 components and 1.06471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269105Jy sigma=0.001408 ! Fit after self-cal, rms=0.268709Jy sigma=0.001408 ! 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=0.268709Jy sigma=0.001408 ! Fit after self-cal, rms=0.269214Jy sigma=0.001384 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.179 mas, bmaj=3.34 mas, bpa=-16.55 degrees ! Estimated noise=559.011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0053348 Jy ! Component: 100 - total flux cleaned = 0.00634826 Jy ! Component: 150 - total flux cleaned = 0.0066236 Jy ! Component: 200 - total flux cleaned = 0.00662446 Jy ! Total flux subtracted in 200 components = 0.00662446 Jy ! Clean residual min=-0.004568 max=0.004137 Jy/beam ! Clean residual mean=-0.000308 rms=0.001090 Jy/beam ! Combined flux in latest and established models = 1.07134 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 82 components and 1.07134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268985Jy sigma=0.001382 ! Fit after self-cal, rms=0.269089Jy sigma=0.001382 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 = 0.00120872 Jy ! Component: 100 - total flux cleaned = 0.00142382 Jy ! Component: 150 - total flux cleaned = 0.00132801 Jy ! Component: 200 - total flux cleaned = 0.00132938 Jy ! Total flux subtracted in 200 components = 0.00132938 Jy ! Clean residual min=-0.005040 max=0.003710 Jy/beam ! Clean residual mean=-0.000380 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 1.07267 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 87 components and 1.07267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268983Jy sigma=0.001381 ! Fit after self-cal, rms=0.268980Jy sigma=0.001381 ! 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=0.268980Jy sigma=0.001381 ! Fit after self-cal, rms=0.269137Jy sigma=0.001379 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.183 mas, bmaj=3.342 mas, bpa=-16.62 degrees ! Estimated noise=559.602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299444 Jy ! Component: 100 - total flux cleaned = 0.00374 Jy ! Component: 150 - total flux cleaned = 0.00391661 Jy ! Component: 200 - total flux cleaned = 0.00399563 Jy ! Total flux subtracted in 200 components = 0.00399563 Jy ! Clean residual min=-0.003361 max=0.003398 Jy/beam ! Clean residual mean=-0.000135 rms=0.000935 Jy/beam ! Combined flux in latest and established models = 1.07666 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 91 components and 1.07666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269034Jy sigma=0.001379 ! Fit after self-cal, rms=0.269012Jy sigma=0.001379 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 = 0.00074642 Jy ! Component: 100 - total flux cleaned = 0.000899561 Jy ! Component: 150 - total flux cleaned = 0.000832326 Jy ! Component: 200 - total flux cleaned = 0.000833167 Jy ! Total flux subtracted in 200 components = 0.000833167 Jy ! Clean residual min=-0.003657 max=0.003220 Jy/beam ! Clean residual mean=-0.000177 rms=0.000907 Jy/beam ! Combined flux in latest and established models = 1.07749 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 1.07749 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268954Jy sigma=0.001378 ! Fit after self-cal, rms=0.268956Jy sigma=0.001378 ! 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=0.268956Jy sigma=0.001378 ! Fit after self-cal, rms=0.269285Jy sigma=0.001378 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.268 mas, bmaj=10.42 mas, bpa=-81.91 degrees ! Estimated noise=694.331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028672 Jy ! Component: 100 - total flux cleaned = 0.00334828 Jy ! Component: 150 - total flux cleaned = 0.00361133 Jy ! Component: 200 - total flux cleaned = 0.00380124 Jy ! Total flux subtracted in 200 components = 0.00380124 Jy ! Clean residual min=-0.002914 max=0.004494 Jy/beam ! Clean residual mean=-0.000220 rms=0.001123 Jy/beam ! Combined flux in latest and established models = 1.0813 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 105 components and 1.0813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269292Jy sigma=0.001378 ! Fit after self-cal, rms=0.269264Jy sigma=0.001378 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 = 0.000260114 Jy ! Component: 100 - total flux cleaned = 0.000530587 Jy ! Component: 150 - total flux cleaned = 0.000598064 Jy ! Component: 200 - total flux cleaned = 0.000568591 Jy ! Total flux subtracted in 200 components = 0.000568591 Jy ! Clean residual min=-0.002933 max=0.004323 Jy/beam ! Clean residual mean=-0.000290 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 1.08187 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 112 components and 1.08187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269255Jy sigma=0.001378 ! Fit after self-cal, rms=0.269260Jy sigma=0.001378 ! 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=2.185 mas, bmaj=3.345 mas, bpa=-16.61 degrees ! Estimated noise=560.176 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.185 x 3.345 at -16.61 degrees (North through East) ! Clean map min=-0.006403 max=0.71202 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=0.269260Jy sigma=0.001378 ! Fit after self-cal, rms=1.251188Jy sigma=0.001172 ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=3.351 mas, bpa=-16.49 degrees ! Estimated noise=559.626 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000170575 Jy ! Component: 100 - total flux cleaned = -0.000325105 Jy ! Component: 150 - total flux cleaned = -0.000326512 Jy ! Component: 200 - total flux cleaned = -0.000327543 Jy ! Total flux subtracted in 200 components = -0.000327543 Jy ! Clean residual min=-0.003188 max=0.003065 Jy/beam ! Clean residual mean=-0.000043 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 1.08154 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 115 components and 1.08154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.251182Jy sigma=0.001172 ! Fit after self-cal, rms=1.251177Jy sigma=0.001172 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000215888 Jy ! Component: 100 - total flux cleaned = 0.000215746 Jy ! Component: 150 - total flux cleaned = 0.000215365 Jy ! Component: 200 - total flux cleaned = 0.000260355 Jy ! Total flux subtracted in 200 components = 0.000260355 Jy ! Clean residual min=-0.003158 max=0.002982 Jy/beam ! Clean residual mean=-0.000057 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 1.0818 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 118 components and 1.0818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.251174Jy sigma=0.001172 ! Fit after self-cal, rms=1.251151Jy sigma=0.001172 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.251151Jy sigma=0.001172 ! Fit after self-cal, rms=2.229633Jy sigma=0.001172 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=2.083 mas, bmaj=3.018 mas, bpa=-16.12 degrees ! Estimated noise=1040.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.571935 Jy ! Component: 100 - total flux cleaned = 0.757885 Jy ! Component: 150 - total flux cleaned = 0.852384 Jy ! Component: 200 - total flux cleaned = 0.913429 Jy ! Total flux subtracted in 200 components = 0.913429 Jy ! Clean residual min=-0.012038 max=0.033364 Jy/beam ! Clean residual mean=0.000758 rms=0.004475 Jy/beam ! Combined flux in latest and established models = 0.913429 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.91343 Jy ! Inverting map and beam ! Estimated beam: bmin=2.186 mas, bmaj=3.352 mas, bpa=-16.48 degrees ! Estimated noise=559.941 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 = 0.0554891 Jy ! Component: 100 - total flux cleaned = 0.0918735 Jy ! Component: 150 - total flux cleaned = 0.116483 Jy ! Component: 200 - total flux cleaned = 0.133414 Jy ! Total flux subtracted in 200 components = 0.133414 Jy ! Clean residual min=-0.002901 max=0.009740 Jy/beam ! Clean residual mean=0.001754 rms=0.001414 Jy/beam ! Combined flux in latest and established models = 1.04684 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 54 components and 1.04684 Jy ! Inverting map ! Added new window around map position (6, -13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119349 Jy ! Component: 100 - total flux cleaned = 0.0203686 Jy ! Component: 150 - total flux cleaned = 0.0264177 Jy ! Component: 200 - total flux cleaned = 0.0293665 Jy ! Total flux subtracted in 200 components = 0.0293665 Jy ! Clean residual min=-0.003078 max=0.003701 Jy/beam ! Clean residual mean=0.000281 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 1.07621 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 82 components and 1.07621 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=9.268 mas, bmaj=10.42 mas, bpa=-82.03 degrees ! Estimated noise=693.521 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491606 Jy ! Component: 100 - total flux cleaned = 0.00609875 Jy ! Component: 150 - total flux cleaned = 0.00686836 Jy ! Component: 200 - total flux cleaned = 0.00744514 Jy ! Total flux subtracted in 200 components = 0.00744514 Jy ! Clean residual min=-0.002796 max=0.004167 Jy/beam ! Clean residual mean=-0.000234 rms=0.001036 Jy/beam ! Combined flux in latest and established models = 1.08365 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 = 0.000432704 Jy ! Component: 100 - total flux cleaned = 0.000718744 Jy ! Component: 150 - total flux cleaned = 0.000788709 Jy ! Component: 200 - total flux cleaned = 0.000757936 Jy ! Total flux subtracted in 200 components = 0.000757936 Jy ! Clean residual min=-0.002873 max=0.004073 Jy/beam ! Clean residual mean=-0.000329 rms=0.001019 Jy/beam ! Combined flux in latest and established models = 1.08441 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 103 components and 1.08441 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.186 mas, bmaj=3.352 mas, bpa=-16.48 degrees ! Estimated noise=559.941 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.00895e-05 Jy ! Component: 100 - total flux cleaned = 2.75759e-05 Jy ! Component: 150 - total flux cleaned = -5.17166e-05 Jy ! Component: 200 - total flux cleaned = -0.000124095 Jy ! Total flux subtracted in 200 components = -0.000124095 Jy ! Clean residual min=-0.003037 max=0.003450 Jy/beam ! Clean residual mean=-0.000123 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 1.08429 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 114 components and 1.08429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.229527Jy sigma=0.001172 ! Fit after self-cal, rms=2.229398Jy sigma=0.001172 wmodel J0251+4315_S_2007_12_05_pus_map.mod ! Writing 114 model components to file: J0251+4315_S_2007_12_05_pus_map.mod wobs J0251+4315_S_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0251+4315_S_2007_12_05_pus_uvs.fits wwins J0251+4315_S_2007_12_05_pus_map.win ! wwins: Wrote 5 windows to J0251+4315_S_2007_12_05_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 = 0.000238805 Jy ! Component: 100 - total flux cleaned = -0.000170845 Jy ! Component: 150 - total flux cleaned = -0.000365219 Jy ! Component: 200 - total flux cleaned = -0.00050448 Jy ! Component: 250 - total flux cleaned = -0.000593235 Jy ! Component: 300 - total flux cleaned = -0.000593197 Jy ! Component: 350 - total flux cleaned = -0.000718713 Jy ! Component: 400 - total flux cleaned = -0.000758969 Jy ! Component: 450 - total flux cleaned = -0.000798434 Jy ! Component: 500 - total flux cleaned = -0.000837199 Jy ! Component: 550 - total flux cleaned = -0.000913004 Jy ! Component: 600 - total flux cleaned = -0.000986901 Jy ! Component: 650 - total flux cleaned = -0.00109559 Jy ! Component: 700 - total flux cleaned = -0.0011667 Jy ! Component: 750 - total flux cleaned = -0.00127152 Jy ! Component: 800 - total flux cleaned = -0.00134004 Jy ! Component: 850 - total flux cleaned = -0.00137405 Jy ! Component: 900 - total flux cleaned = -0.0014406 Jy ! Component: 950 - total flux cleaned = -0.00147325 Jy ! Component: 1000 - total flux cleaned = -0.00147322 Jy ! Component: 1050 - total flux cleaned = -0.00150519 Jy ! Component: 1100 - total flux cleaned = -0.00153653 Jy ! Component: 1150 - total flux cleaned = -0.00159842 Jy ! Component: 1200 - total flux cleaned = -0.00159844 Jy ! Component: 1250 - total flux cleaned = -0.00162862 Jy ! Component: 1300 - total flux cleaned = -0.00165851 Jy ! Component: 1350 - total flux cleaned = -0.00168804 Jy ! Component: 1400 - total flux cleaned = -0.00171698 Jy ! Component: 1450 - total flux cleaned = -0.00171691 Jy ! Component: 1500 - total flux cleaned = -0.00171688 Jy ! Component: 1550 - total flux cleaned = -0.00174509 Jy ! Component: 1600 - total flux cleaned = -0.00177305 Jy ! Component: 1650 - total flux cleaned = -0.00177319 Jy ! Component: 1700 - total flux cleaned = -0.00182804 Jy ! Component: 1750 - total flux cleaned = -0.00185487 Jy ! Component: 1800 - total flux cleaned = -0.00185471 Jy ! Component: 1850 - total flux cleaned = -0.0018547 Jy ! Component: 1900 - total flux cleaned = -0.00188112 Jy ! Component: 1950 - total flux cleaned = -0.00190727 Jy ! Component: 2000 - total flux cleaned = -0.00193322 Jy ! Total flux subtracted in 2048 components = -0.00193325 Jy ! Clean residual min=-0.001635 max=0.001925 Jy/beam ! Clean residual mean=-0.000039 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 1.08236 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 252 components and 1.08236 Jy wmap "J0251+4315_S_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.186 x 3.352 at -16.48 degrees (North through East) ! Clean map min=-0.0045111 max=0.71233 Jy/beam ! Writing clean map to FITS file: J0251+4315_S_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.71233 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000480928 device "J0251+4315_S_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0251+4315_S_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.202544 0.202544 0.405089 0.810178 1.62036 3.24071 6.48142 12.9628 25.9257 51.8514 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.712 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.186 x 3.352 at -16.48 degrees (North through East) ! Clean map min=-0.0045111 max=0.71233 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0251+4315_S_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0251+4315_S_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0251+4315_S_2007_12_05_pus_uvs.log closed on Sat Sep 11 23:13:58 2010