! Started logfile: J1407+2827_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:40:49 2010 obs J1407+2827_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1407+2827_S_2008_04_02_pus_uva.fits ! AN table 1: 98 integrations on 120 of 120 possible baselines. ! AN table 2: 137 integrations on 120 of 120 possible baselines. ! AN table 3: 34 integrations on 120 of 120 possible baselines. ! AN table 4: 61 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0861364 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1407+2827 ! ! 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 984 lines of history. ! ! Reading 13644 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 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1238 telescope corrections were flagged in sub-array 1. ! A total of 1527 telescope corrections were flagged in sub-array 2. ! A total of 432 telescope corrections were flagged in sub-array 3. ! A total of 692 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.710410Jy sigma=0.004402 ! Fit after self-cal, rms=0.625604Jy sigma=0.003744 ! 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=3.354 mas, bmaj=4.941 mas, bpa=73.7 degrees ! Estimated noise=1421.91 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 = 0.94048 Jy ! Component: 100 - total flux cleaned = 1.20676 Jy ! Total flux subtracted in 100 components = 1.20676 Jy ! Clean residual min=-0.044119 max=0.102504 Jy/beam ! Clean residual mean=0.000140 rms=0.013523 Jy/beam ! Combined flux in latest and established models = 1.20676 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.20676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490919Jy sigma=0.002755 ! Fit after self-cal, rms=0.489695Jy sigma=0.002753 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.1034 Jy ! Component: 100 - total flux cleaned = 0.158714 Jy ! Total flux subtracted in 100 components = 0.158714 Jy ! Clean residual min=-0.040528 max=0.043485 Jy/beam ! Clean residual mean=-0.000202 rms=0.011149 Jy/beam ! Combined flux in latest and established models = 1.36547 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 1.36547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.448604Jy sigma=0.002374 ! Fit after self-cal, rms=0.448297Jy sigma=0.002373 ! 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=3.363 mas, bmaj=5.708 mas, bpa=74.79 degrees ! Estimated noise=874.528 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 = 0.0669576 Jy ! Component: 100 - total flux cleaned = 0.0981364 Jy ! Component: 150 - total flux cleaned = 0.10524 Jy ! Component: 200 - total flux cleaned = 0.107232 Jy ! Total flux subtracted in 200 components = 0.107232 Jy ! Clean residual min=-0.031468 max=0.039010 Jy/beam ! Clean residual mean=-0.000535 rms=0.010021 Jy/beam ! Combined flux in latest and established models = 1.4727 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 34 components and 1.4727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431661Jy sigma=0.002293 ! Fit after self-cal, rms=0.431146Jy sigma=0.002292 ! 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 1.02 FD 1.11 HH 1.00* HN 1.10 ! KK 1.14 KP 1.03 LA 1.24 MK 0.79 ! NL 0.97 NY 1.00* ON 1.00* OV 0.97 ! PT 1.03 SC 1.17 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.60 HN 1.23 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.68 ON 0.94 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.21 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.16 HH 1.00* HN 1.00* ! KK 1.11 KP 1.04 LA 1.00* MK 0.79 ! NL 1.00* NY 1.00* ON 1.00* OV 0.97 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.07 HH 1.00* HN 1.04 ! KK 1.00* KP 1.00 LA 1.20 MK 1.00* ! NL 0.90 NY 1.00* ON 1.00* OV 0.96 ! PT 0.98 SC 1.10 WZ 1.00* ZC 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 1.04 FD 1.19 HH 1.00* HN 1.18 ! KK 1.06 KP 1.05 LA 1.15 MK 0.84 ! NL 0.99 NY 1.00* ON 1.00* OV 0.99 ! PT 1.02 SC 1.24 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.64 HN 1.30 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.23 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.24 HH 1.00* HN 1.00* ! KK 1.05 KP 1.06 LA 1.00* MK 0.85 ! NL 1.00* NY 1.00* ON 1.00* OV 1.00 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 1.14 HH 1.00* HN 1.11 ! KK 1.00* KP 1.01 LA 1.11 MK 1.00* ! NL 0.92 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 1.06 WZ 1.00* ZC 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 1.10 FD 1.19 HH 1.00* HN 1.15 ! KK 1.06 KP 1.02 LA 0.89 MK 0.86 ! NL 1.03 NY 1.00* ON 1.00* OV 0.97 ! PT 1.06 SC 1.16 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.39 HN 1.29 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.78 ON 0.92 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.18 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.19 HH 1.00* HN 1.00* ! KK 1.08 KP 1.03 LA 1.00* MK 0.86 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.08 FD 1.12 HH 1.00* HN 1.11 ! KK 1.00* KP 0.99 LA 0.87 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.01 ! PT 1.01 SC 0.98 WZ 1.00* ZC 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 0.98 FD 1.14 HH 1.00* HN 1.07 ! KK 1.05 KP 0.92 LA 0.74 MK 0.91 ! NL 0.93 NY 1.00* ON 1.00* OV 0.83 ! PT 0.91 SC 1.16 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.57 HN 1.19 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.92 ON 0.95 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.74 ZC 1.06 ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.15 HH 1.00* HN 1.00* ! KK 1.06 KP 0.95 LA 1.00* MK 0.91 ! NL 1.00* NY 1.00* ON 1.00* OV 0.86 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.09 HH 1.00* HN 0.99 ! KK 1.00* KP 0.91 LA 0.70 MK 1.00* ! NL 0.87 NY 1.00* ON 1.00* OV 0.82 ! PT 0.86 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.431146Jy sigma=0.002292 ! Fit after self-cal, rms=0.377607Jy sigma=0.001344 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.743 mas, bmaj=5.803 mas, bpa=74.01 degrees ! Estimated noise=937.621 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 (-6, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0177553 Jy ! Component: 100 - total flux cleaned = 0.0151087 Jy ! Component: 150 - total flux cleaned = 0.0145323 Jy ! Component: 200 - total flux cleaned = 0.0140864 Jy ! Total flux subtracted in 200 components = 0.0140864 Jy ! Clean residual min=-0.010694 max=0.011262 Jy/beam ! Clean residual mean=-0.000360 rms=0.002756 Jy/beam ! Combined flux in latest and established models = 1.48679 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 1.48679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374588Jy sigma=0.001310 ! Fit after self-cal, rms=0.373197Jy sigma=0.001304 ! 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=0.373197Jy sigma=0.001304 ! Fit after self-cal, rms=0.369346Jy sigma=0.001272 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.743 mas, bmaj=5.803 mas, bpa=74.14 degrees ! Estimated noise=939.223 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00921593 Jy ! Component: 100 - total flux cleaned = 0.0092036 Jy ! Component: 150 - total flux cleaned = 0.00920148 Jy ! Component: 200 - total flux cleaned = 0.00919541 Jy ! Total flux subtracted in 200 components = 0.00919541 Jy ! Clean residual min=-0.009057 max=0.007760 Jy/beam ! Clean residual mean=-0.000080 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 1.49598 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 1.49598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368143Jy sigma=0.001263 ! Fit after self-cal, rms=0.367934Jy sigma=0.001262 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 = 0.00169797 Jy ! Component: 100 - total flux cleaned = 0.0016927 Jy ! Component: 150 - total flux cleaned = 0.00146644 Jy ! Component: 200 - total flux cleaned = 0.00147558 Jy ! Total flux subtracted in 200 components = 0.00147558 Jy ! Clean residual min=-0.008750 max=0.007483 Jy/beam ! Clean residual mean=-0.000089 rms=0.001797 Jy/beam ! Combined flux in latest and established models = 1.49746 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 1.49746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367277Jy sigma=0.001260 ! Fit after self-cal, rms=0.367218Jy sigma=0.001260 ! 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=0.367218Jy sigma=0.001260 ! Fit after self-cal, rms=0.366836Jy sigma=0.001258 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.744 mas, bmaj=5.799 mas, bpa=74.28 degrees ! Estimated noise=939.543 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542833 Jy ! Component: 100 - total flux cleaned = 0.00614266 Jy ! Component: 150 - total flux cleaned = 0.0061445 Jy ! Component: 200 - total flux cleaned = 0.00635255 Jy ! Total flux subtracted in 200 components = 0.00635255 Jy ! Clean residual min=-0.007954 max=0.006844 Jy/beam ! Clean residual mean=-0.000065 rms=0.001663 Jy/beam ! Combined flux in latest and established models = 1.50381 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 1.50381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366239Jy sigma=0.001256 ! Fit after self-cal, rms=0.366171Jy sigma=0.001255 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 = 0.00112416 Jy ! Component: 100 - total flux cleaned = 0.00111842 Jy ! Component: 150 - total flux cleaned = 0.00112314 Jy ! Component: 200 - total flux cleaned = 0.00113226 Jy ! Total flux subtracted in 200 components = 0.00113226 Jy ! Clean residual min=-0.007819 max=0.006653 Jy/beam ! Clean residual mean=-0.000072 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 1.50494 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 74 components and 1.50494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.365708Jy sigma=0.001254 ! Fit after self-cal, rms=0.365689Jy sigma=0.001254 ! 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=0.365689Jy sigma=0.001254 ! Fit after self-cal, rms=0.362981Jy sigma=0.001254 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.157 mas, bmaj=10.23 mas, bpa=12.29 degrees ! Estimated noise=979.875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00357634 Jy ! Component: 100 - total flux cleaned = 0.00427961 Jy ! Component: 150 - total flux cleaned = 0.00445572 Jy ! Component: 200 - total flux cleaned = 0.00462736 Jy ! Total flux subtracted in 200 components = 0.00462736 Jy ! Clean residual min=-0.004698 max=0.005973 Jy/beam ! Clean residual mean=-0.000113 rms=0.001477 Jy/beam ! Combined flux in latest and established models = 1.50957 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 94 components and 1.50957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362988Jy sigma=0.001253 ! Fit after self-cal, rms=0.362941Jy sigma=0.001253 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 = 0.000644798 Jy ! Component: 100 - total flux cleaned = 0.000732616 Jy ! Component: 150 - total flux cleaned = 0.000801852 Jy ! Component: 200 - total flux cleaned = 0.000857693 Jy ! Total flux subtracted in 200 components = 0.000857693 Jy ! Clean residual min=-0.004500 max=0.005872 Jy/beam ! Clean residual mean=-0.000123 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 1.51043 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 104 components and 1.51043 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362973Jy sigma=0.001253 ! Fit after self-cal, rms=0.362982Jy sigma=0.001253 ! 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=3.731 mas, bmaj=5.797 mas, bpa=74.5 degrees ! Estimated noise=939.361 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.731 x 5.797 at 74.5 degrees (North through East) ! Clean map min=-0.010121 max=1.2059 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=0.362982Jy sigma=0.001253 ! Fit after self-cal, rms=0.657192Jy sigma=0.001094 ! Inverting map and beam ! Estimated beam: bmin=3.679 mas, bmaj=5.804 mas, bpa=74.58 degrees ! Estimated noise=937.886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00347822 Jy ! Component: 100 - total flux cleaned = 0.0036594 Jy ! Component: 150 - total flux cleaned = 0.00382444 Jy ! Component: 200 - total flux cleaned = 0.00398249 Jy ! Total flux subtracted in 200 components = 0.00398249 Jy ! Clean residual min=-0.006845 max=0.006360 Jy/beam ! Clean residual mean=-0.000064 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 1.51441 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 112 components and 1.51441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.656957Jy sigma=0.001093 ! Fit after self-cal, rms=0.657454Jy sigma=0.001093 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000542185 Jy ! Component: 100 - total flux cleaned = 0.000707558 Jy ! Component: 150 - total flux cleaned = 0.000702711 Jy ! Component: 200 - total flux cleaned = 0.000699507 Jy ! Total flux subtracted in 200 components = 0.000699507 Jy ! Clean residual min=-0.006760 max=0.006075 Jy/beam ! Clean residual mean=-0.000068 rms=0.001410 Jy/beam ! Combined flux in latest and established models = 1.51511 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 115 components and 1.51511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657252Jy sigma=0.001092 ! Fit after self-cal, rms=0.657554Jy sigma=0.001092 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657554Jy sigma=0.001092 ! Fit after self-cal, rms=0.645607Jy sigma=0.001092 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=3.576 mas, bmaj=4.945 mas, bpa=74.62 degrees ! Estimated noise=1508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.955109 Jy ! Component: 100 - total flux cleaned = 1.21277 Jy ! Component: 150 - total flux cleaned = 1.31803 Jy ! Component: 200 - total flux cleaned = 1.38282 Jy ! Total flux subtracted in 200 components = 1.38282 Jy ! Clean residual min=-0.016422 max=0.034555 Jy/beam ! Clean residual mean=0.000238 rms=0.004892 Jy/beam ! Combined flux in latest and established models = 1.38282 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 1.38282 Jy ! Inverting map and beam ! Estimated beam: bmin=3.664 mas, bmaj=5.803 mas, bpa=74.72 degrees ! Estimated noise=937.527 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 = 0.0668116 Jy ! Component: 100 - total flux cleaned = 0.103435 Jy ! Component: 150 - total flux cleaned = 0.121999 Jy ! Component: 200 - total flux cleaned = 0.125302 Jy ! Total flux subtracted in 200 components = 0.125302 Jy ! Clean residual min=-0.011147 max=0.011974 Jy/beam ! Clean residual mean=-0.000008 rms=0.002667 Jy/beam ! Combined flux in latest and established models = 1.50812 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 42 components and 1.50812 Jy ! Inverting map ! Added new window around map position (-26, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00437907 Jy ! Component: 100 - total flux cleaned = 0.00549854 Jy ! Component: 150 - total flux cleaned = 0.00707318 Jy ! Component: 200 - total flux cleaned = 0.00802104 Jy ! Total flux subtracted in 200 components = 0.00802104 Jy ! Clean residual min=-0.009729 max=0.009113 Jy/beam ! Clean residual mean=-0.000054 rms=0.002236 Jy/beam ! Combined flux in latest and established models = 1.51614 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 49 components and 1.51614 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=9.152 mas, bmaj=10.21 mas, bpa=12.06 degrees ! Estimated noise=981.247 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00415366 Jy ! Component: 100 - total flux cleaned = 0.00529059 Jy ! Component: 150 - total flux cleaned = 0.00552465 Jy ! Component: 200 - total flux cleaned = 0.00583203 Jy ! Total flux subtracted in 200 components = 0.00583203 Jy ! Clean residual min=-0.004556 max=0.004511 Jy/beam ! Clean residual mean=-0.000162 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 1.52197 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 = 0.000182837 Jy ! Component: 100 - total flux cleaned = 0.000424269 Jy ! Component: 150 - total flux cleaned = 0.000566892 Jy ! Component: 200 - total flux cleaned = 0.000631979 Jy ! Total flux subtracted in 200 components = 0.000631979 Jy ! Clean residual min=-0.004472 max=0.004028 Jy/beam ! Clean residual mean=-0.000173 rms=0.001254 Jy/beam ! Combined flux in latest and established models = 1.52261 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 81 components and 1.52261 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.664 mas, bmaj=5.803 mas, bpa=74.72 degrees ! Estimated noise=937.527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00339386 Jy ! Component: 100 - total flux cleaned = -0.00339172 Jy ! Component: 150 - total flux cleaned = -0.00263374 Jy ! Component: 200 - total flux cleaned = -0.00226387 Jy ! Total flux subtracted in 200 components = -0.00226387 Jy ! Clean residual min=-0.008542 max=0.007366 Jy/beam ! Clean residual mean=-0.000082 rms=0.001846 Jy/beam ! Combined flux in latest and established models = 1.52034 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 1.52034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.647075Jy sigma=0.001099 ! Fit after self-cal, rms=0.642750Jy sigma=0.001097 wmodel J1407+2827_S_2008_04_02_pus_map.mod ! Writing 89 model components to file: J1407+2827_S_2008_04_02_pus_map.mod wobs J1407+2827_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1407+2827_S_2008_04_02_pus_uvs.fits wwins J1407+2827_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J1407+2827_S_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00020745 Jy ! Component: 100 - total flux cleaned = 0.000453602 Jy ! Component: 150 - total flux cleaned = 0.000570241 Jy ! Component: 200 - total flux cleaned = 0.000571181 Jy ! Component: 250 - total flux cleaned = 0.000360347 Jy ! Component: 300 - total flux cleaned = 0.000156725 Jy ! Component: 350 - total flux cleaned = -0.000240937 Jy ! Component: 400 - total flux cleaned = -0.00062802 Jy ! Component: 450 - total flux cleaned = -0.00100638 Jy ! Component: 500 - total flux cleaned = -0.0013766 Jy ! Component: 550 - total flux cleaned = -0.00164947 Jy ! Component: 600 - total flux cleaned = -0.00200582 Jy ! Component: 650 - total flux cleaned = -0.00218118 Jy ! Component: 700 - total flux cleaned = -0.00235293 Jy ! Component: 750 - total flux cleaned = -0.00252223 Jy ! Component: 800 - total flux cleaned = -0.00268716 Jy ! Component: 850 - total flux cleaned = -0.00252248 Jy ! Component: 900 - total flux cleaned = -0.00252276 Jy ! Component: 950 - total flux cleaned = -0.00244423 Jy ! Component: 1000 - total flux cleaned = -0.00252312 Jy ! Component: 1050 - total flux cleaned = -0.00244528 Jy ! Component: 1100 - total flux cleaned = -0.00236815 Jy ! Component: 1150 - total flux cleaned = -0.00229205 Jy ! Component: 1200 - total flux cleaned = -0.0023658 Jy ! Component: 1250 - total flux cleaned = -0.00207169 Jy ! Component: 1300 - total flux cleaned = -0.00207142 Jy ! Component: 1350 - total flux cleaned = -0.00185598 Jy ! Component: 1400 - total flux cleaned = -0.00178509 Jy ! Component: 1450 - total flux cleaned = -0.00171407 Jy ! Component: 1500 - total flux cleaned = -0.0017132 Jy ! Component: 1550 - total flux cleaned = -0.00164362 Jy ! Component: 1600 - total flux cleaned = -0.00157578 Jy ! Component: 1650 - total flux cleaned = -0.0015082 Jy ! Component: 1700 - total flux cleaned = -0.00144196 Jy ! Component: 1750 - total flux cleaned = -0.00144116 Jy ! Component: 1800 - total flux cleaned = -0.00137535 Jy ! Component: 1850 - total flux cleaned = -0.00131055 Jy ! Component: 1900 - total flux cleaned = -0.00131053 Jy ! Component: 1950 - total flux cleaned = -0.00137395 Jy ! Component: 2000 - total flux cleaned = -0.00137429 Jy ! Total flux subtracted in 2048 components = -0.001375 Jy ! Clean residual min=-0.003344 max=0.003664 Jy/beam ! Clean residual mean=-0.000065 rms=0.001138 Jy/beam ! Combined flux in latest and established models = 1.51897 Jy keep ! Adding 113 model components to the UV plane model. ! The established model now contains 192 components and 1.51897 Jy wmap "J1407+2827_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.664 x 5.803 at 74.72 degrees (North through East) ! Clean map min=-0.0057153 max=1.199 Jy/beam ! Writing clean map to FITS file: J1407+2827_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.19897 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0011389 device "J1407+2827_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1407+2827_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.284969 0.284969 0.569938 1.13988 2.27975 4.5595 9.11901 18.238 36.476 72.9521 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.198 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.664 x 5.803 at 74.72 degrees (North through East) ! Clean map min=-0.0057153 max=1.199 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1407+2827_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1407+2827_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1407+2827_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:40:55 2010