! Started logfile: J0646+4451_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:37:46 2010 obs J0646+4451_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0646+4451_S_2008_04_02_pus_uva.fits ! AN table 1: 41 integrations on 120 of 120 possible baselines. ! AN table 2: 93 integrations on 120 of 120 possible baselines. ! AN table 3: 24 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.257015 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0646+4451 ! ! 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 19492 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 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.697710Jy sigma=0.005436 ! Fit after self-cal, rms=0.482437Jy sigma=0.003662 ! 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=1.896 mas, bmaj=2.595 mas, bpa=23.49 degrees ! Estimated noise=1241.23 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 = 0.985455 Jy ! Component: 100 - total flux cleaned = 1.2075 Jy ! Total flux subtracted in 100 components = 1.2075 Jy ! Clean residual min=-0.030422 max=0.081420 Jy/beam ! Clean residual mean=0.000147 rms=0.008403 Jy/beam ! Combined flux in latest and established models = 1.2075 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.2075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.381936Jy sigma=0.002732 ! Fit after self-cal, rms=0.381919Jy sigma=0.002732 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0872994 Jy ! Component: 100 - total flux cleaned = 0.130045 Jy ! Total flux subtracted in 100 components = 0.130045 Jy ! Clean residual min=-0.028541 max=0.040634 Jy/beam ! Clean residual mean=-0.000049 rms=0.007386 Jy/beam ! Combined flux in latest and established models = 1.33755 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 1.33755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359395Jy sigma=0.002505 ! Fit after self-cal, rms=0.359363Jy sigma=0.002505 ! 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=2.798 mas, bmaj=3.529 mas, bpa=22.68 degrees ! Estimated noise=658.188 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 = 0.0213393 Jy ! Component: 100 - total flux cleaned = 0.0278718 Jy ! Component: 150 - total flux cleaned = 0.0288081 Jy ! Component: 200 - total flux cleaned = 0.0290896 Jy ! Total flux subtracted in 200 components = 0.0290896 Jy ! Clean residual min=-0.038553 max=0.030133 Jy/beam ! Clean residual mean=-0.002086 rms=0.009297 Jy/beam ! Combined flux in latest and established models = 1.36664 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 1.36664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357677Jy sigma=0.002495 ! Fit after self-cal, rms=0.357683Jy sigma=0.002495 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00* HH 1.10 HN 1.13 ! KK 1.06 KP 1.00* LA 1.00* MK 1.00* ! NL 0.93 NY 0.80 ON 1.01 OV 1.00* ! PT 1.00* SC 1.13 WZ 0.91 ZC 1.23 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.09 HH 1.11 HN 1.10 ! KK 1.10 KP 1.07 LA 1.22 MK 0.78 ! NL 0.91 NY 0.87 ON 1.51 OV 0.92 ! PT 1.03 SC 1.05 WZ 0.92 ZC 1.25 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 1.04 HH 1.00* HN 1.08 ! KK 1.09 KP 0.98 LA 1.16 MK 0.79 ! NL 0.90 NY 0.84 ON 1.00* OV 0.97 ! PT 0.97 SC 1.12 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* HH 1.08 HN 1.21 ! KK 0.95 KP 1.00* LA 1.00* MK 1.00* ! NL 0.99 NY 0.99 ON 0.93 OV 1.00* ! PT 1.00* SC 1.19 WZ 0.85 ZC 1.19 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.16 HH 1.09 HN 1.17 ! KK 1.03 KP 1.09 LA 1.13 MK 0.83 ! NL 0.93 NY 1.02 ON 0.97 OV 0.95 ! PT 1.02 SC 1.10 WZ 0.86 ZC 1.20 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.11 HH 1.00* HN 1.15 ! KK 1.03 KP 0.98 LA 1.07 MK 0.85 ! NL 0.93 NY 0.97 ON 1.00* OV 0.99 ! PT 0.94 SC 1.14 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00* HH 0.94 HN 1.20 ! KK 0.95 KP 1.00* LA 1.00* MK 1.00* ! NL 1.01 NY 0.87 ON 0.95 OV 1.00* ! PT 1.00* SC 1.08 WZ 0.76 ZC 1.14 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.15 HH 0.96 HN 1.14 ! KK 1.05 KP 1.06 LA 0.88 MK 0.83 ! NL 0.96 NY 0.91 ON 0.93 OV 0.95 ! PT 1.06 SC 0.99 WZ 0.76 ZC 1.16 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.10 HH 1.00* HN 1.13 ! KK 1.03 KP 0.96 LA 0.85 MK 0.84 ! NL 0.95 NY 0.85 ON 1.00* OV 1.00 ! PT 0.99 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00* HH 0.96 HN 1.09 ! KK 0.94 KP 1.00* LA 1.00* MK 1.00* ! NL 0.89 NY 1.01 ON 0.94 OV 1.00* ! PT 1.00* SC 1.08 WZ 0.75 ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.12 HH 0.96 HN 1.06 ! KK 1.01 KP 0.97 LA 0.72 MK 0.88 ! NL 0.86 NY 0.99 ON 0.96 OV 0.78 ! PT 0.91 SC 1.01 WZ 0.74 ZC 1.04 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.51 FD 1.07 HH 1.00* HN 1.04 ! KK 1.02 KP 0.88 LA 0.71 MK 0.89 ! NL 0.86 NY 0.99 ON 1.00* OV 0.81 ! PT 0.86 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.357683Jy sigma=0.002495 ! Fit after self-cal, rms=0.254322Jy sigma=0.001451 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.817 mas, bmaj=3.546 mas, bpa=22.78 degrees ! Estimated noise=657.096 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 = -0.00831031 Jy ! Component: 100 - total flux cleaned = -0.0108313 Jy ! Component: 150 - total flux cleaned = -0.0107559 Jy ! Component: 200 - total flux cleaned = -0.0107651 Jy ! Total flux subtracted in 200 components = -0.0107651 Jy ! Clean residual min=-0.016501 max=0.012046 Jy/beam ! Clean residual mean=-0.002403 rms=0.004556 Jy/beam ! Combined flux in latest and established models = 1.35587 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 25 components and 1.35587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253970Jy sigma=0.001451 ! Fit after self-cal, rms=0.253787Jy sigma=0.001450 ! 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=0.253787Jy sigma=0.001450 ! Fit after self-cal, rms=0.250526Jy sigma=0.001314 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.824 mas, bmaj=3.546 mas, bpa=22.28 degrees ! Estimated noise=657.479 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.15153e-06 Jy ! Component: 100 - total flux cleaned = -7.1268e-05 Jy ! Component: 150 - total flux cleaned = -0.000132851 Jy ! Component: 200 - total flux cleaned = -0.000132037 Jy ! Total flux subtracted in 200 components = -0.000132037 Jy ! Clean residual min=-0.003800 max=0.006410 Jy/beam ! Clean residual mean=-0.000028 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 1.35574 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 1.35574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250494Jy sigma=0.001313 ! Fit after self-cal, rms=0.250512Jy sigma=0.001313 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) ! Added new window around map position (4, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422741 Jy ! Component: 100 - total flux cleaned = 0.00383419 Jy ! Component: 150 - total flux cleaned = 0.00331818 Jy ! Component: 200 - total flux cleaned = 0.00306132 Jy ! Total flux subtracted in 200 components = 0.00306132 Jy ! Clean residual min=-0.004203 max=0.003765 Jy/beam ! Clean residual mean=-0.000084 rms=0.000941 Jy/beam ! Combined flux in latest and established models = 1.3588 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 1.3588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250354Jy sigma=0.001312 ! Fit after self-cal, rms=0.250341Jy sigma=0.001311 ! 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=0.250341Jy sigma=0.001311 ! Fit after self-cal, rms=0.250645Jy sigma=0.001311 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.824 mas, bmaj=3.546 mas, bpa=22.1 degrees ! Estimated noise=657.946 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231993 Jy ! Component: 100 - total flux cleaned = 0.0022433 Jy ! Component: 150 - total flux cleaned = 0.00209965 Jy ! Component: 200 - total flux cleaned = 0.00203675 Jy ! Total flux subtracted in 200 components = 0.00203675 Jy ! Clean residual min=-0.003881 max=0.003743 Jy/beam ! Clean residual mean=-0.000048 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 1.36084 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 1.36084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250571Jy sigma=0.001310 ! Fit after self-cal, rms=0.250566Jy sigma=0.001310 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) ! Added new window around map position (-54.5, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270421 Jy ! Component: 100 - total flux cleaned = 0.00269912 Jy ! Component: 150 - total flux cleaned = 0.00250053 Jy ! Component: 200 - total flux cleaned = 0.00232253 Jy ! Total flux subtracted in 200 components = 0.00232253 Jy ! Clean residual min=-0.003675 max=0.003203 Jy/beam ! Clean residual mean=-0.000094 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 1.36316 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 65 components and 1.36316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250509Jy sigma=0.001309 ! Fit after self-cal, rms=0.250507Jy sigma=0.001309 ! 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=0.250507Jy sigma=0.001309 ! Fit after self-cal, rms=0.250601Jy sigma=0.001309 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.358 mas, bmaj=9.472 mas, bpa=-75.47 degrees ! Estimated noise=809.492 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153863 Jy ! Component: 100 - total flux cleaned = 0.00158518 Jy ! Component: 150 - total flux cleaned = 0.00162469 Jy ! Component: 200 - total flux cleaned = 0.00162442 Jy ! Total flux subtracted in 200 components = 0.00162442 Jy ! Clean residual min=-0.003623 max=0.002712 Jy/beam ! Clean residual mean=-0.000133 rms=0.001089 Jy/beam ! Combined flux in latest and established models = 1.36479 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 1.36479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250595Jy sigma=0.001309 ! Fit after self-cal, rms=0.250592Jy sigma=0.001309 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 = 0.000245816 Jy ! Component: 100 - total flux cleaned = 0.000245083 Jy ! Component: 150 - total flux cleaned = 0.000215254 Jy ! Component: 200 - total flux cleaned = 0.000188165 Jy ! Total flux subtracted in 200 components = 0.000188165 Jy ! Clean residual min=-0.003543 max=0.002676 Jy/beam ! Clean residual mean=-0.000141 rms=0.001083 Jy/beam ! Combined flux in latest and established models = 1.36497 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 89 components and 1.36497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250594Jy sigma=0.001309 ! Fit after self-cal, rms=0.250592Jy sigma=0.001309 ! 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=2.824 mas, bmaj=3.546 mas, bpa=22.04 degrees ! Estimated noise=658.158 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.824 x 3.546 at 22.04 degrees (North through East) ! Clean map min=-0.003193 max=1.2965 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=0.250592Jy sigma=0.001309 ! Fit after self-cal, rms=0.246034Jy sigma=0.001178 ! Inverting map and beam ! Estimated beam: bmin=2.822 mas, bmaj=3.547 mas, bpa=22.11 degrees ! Estimated noise=658.035 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159108 Jy ! Component: 100 - total flux cleaned = 0.00159628 Jy ! Component: 150 - total flux cleaned = 0.00148809 Jy ! Component: 200 - total flux cleaned = 0.00143722 Jy ! Total flux subtracted in 200 components = 0.00143722 Jy ! Clean residual min=-0.002977 max=0.002670 Jy/beam ! Clean residual mean=-0.000033 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 1.36641 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 99 components and 1.36641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246003Jy sigma=0.001177 ! Fit after self-cal, rms=0.246009Jy sigma=0.001177 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000192977 Jy ! Component: 100 - total flux cleaned = 0.000191694 Jy ! Component: 150 - total flux cleaned = 0.000192015 Jy ! Component: 200 - total flux cleaned = 0.000144833 Jy ! Total flux subtracted in 200 components = 0.000144833 Jy ! Clean residual min=-0.002972 max=0.002674 Jy/beam ! Clean residual mean=-0.000035 rms=0.000801 Jy/beam ! Combined flux in latest and established models = 1.36656 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 103 components and 1.36656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245987Jy sigma=0.001177 ! Fit after self-cal, rms=0.245990Jy sigma=0.001177 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245990Jy sigma=0.001177 ! Fit after self-cal, rms=0.245863Jy sigma=0.001177 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=1.927 mas, bmaj=2.611 mas, bpa=23.02 degrees ! Estimated noise=1243.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.984928 Jy ! Component: 100 - total flux cleaned = 1.20103 Jy ! Component: 150 - total flux cleaned = 1.2734 Jy ! Component: 200 - total flux cleaned = 1.30941 Jy ! Total flux subtracted in 200 components = 1.30941 Jy ! Clean residual min=-0.008072 max=0.017511 Jy/beam ! Clean residual mean=0.000085 rms=0.001920 Jy/beam ! Combined flux in latest and established models = 1.30941 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 14 model components to the UV plane model. ! The established model now contains 14 components and 1.30941 Jy ! Inverting map and beam ! Estimated beam: bmin=2.822 mas, bmaj=3.546 mas, bpa=22.06 degrees ! Estimated noise=658.188 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 = 0.030436 Jy ! Component: 100 - total flux cleaned = 0.0442995 Jy ! Component: 150 - total flux cleaned = 0.051447 Jy ! Component: 200 - total flux cleaned = 0.0558167 Jy ! Total flux subtracted in 200 components = 0.0558167 Jy ! Clean residual min=-0.003193 max=0.003140 Jy/beam ! Clean residual mean=0.000018 rms=0.000845 Jy/beam ! Combined flux in latest and established models = 1.36522 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 31 components and 1.36522 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=8.357 mas, bmaj=9.459 mas, bpa=-75.45 degrees ! Estimated noise=810.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00263557 Jy ! Component: 100 - total flux cleaned = 0.0030568 Jy ! Component: 150 - total flux cleaned = 0.00327002 Jy ! Component: 200 - total flux cleaned = 0.00327189 Jy ! Total flux subtracted in 200 components = 0.00327189 Jy ! Clean residual min=-0.003141 max=0.002695 Jy/beam ! Clean residual mean=-0.000098 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 1.3685 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 = -3.78188e-05 Jy ! Component: 100 - total flux cleaned = -9.89643e-05 Jy ! Component: 150 - total flux cleaned = -0.000179585 Jy ! Component: 200 - total flux cleaned = -0.000227564 Jy ! Total flux subtracted in 200 components = -0.000227564 Jy ! Clean residual min=-0.003167 max=0.002687 Jy/beam ! Clean residual mean=-0.000088 rms=0.001033 Jy/beam ! Combined flux in latest and established models = 1.36827 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 70 components and 1.36827 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.822 mas, bmaj=3.546 mas, bpa=22.06 degrees ! Estimated noise=658.188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000318964 Jy ! Component: 100 - total flux cleaned = 0.000315 Jy ! Component: 150 - total flux cleaned = 0.000177476 Jy ! Component: 200 - total flux cleaned = 0.000109156 Jy ! Total flux subtracted in 200 components = 0.000109156 Jy ! Clean residual min=-0.003160 max=0.002840 Jy/beam ! Clean residual mean=-0.000040 rms=0.000808 Jy/beam ! Combined flux in latest and established models = 1.36838 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 77 components and 1.36838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246054Jy sigma=0.001178 ! Fit after self-cal, rms=0.246041Jy sigma=0.001178 wmodel J0646+4451_S_2008_04_02_pus_map.mod ! Writing 77 model components to file: J0646+4451_S_2008_04_02_pus_map.mod wobs J0646+4451_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0646+4451_S_2008_04_02_pus_uvs.fits wwins J0646+4451_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0646+4451_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 = -0.00112829 Jy ! Component: 100 - total flux cleaned = -0.00160066 Jy ! Component: 150 - total flux cleaned = -0.00200468 Jy ! Component: 200 - total flux cleaned = -0.00229752 Jy ! Component: 250 - total flux cleaned = -0.0025833 Jy ! Component: 300 - total flux cleaned = -0.00286232 Jy ! Component: 350 - total flux cleaned = -0.00304482 Jy ! Component: 400 - total flux cleaned = -0.0032685 Jy ! Component: 450 - total flux cleaned = -0.00344457 Jy ! Component: 500 - total flux cleaned = -0.00370414 Jy ! Component: 550 - total flux cleaned = -0.00378946 Jy ! Component: 600 - total flux cleaned = -0.00395826 Jy ! Component: 650 - total flux cleaned = -0.00400026 Jy ! Component: 700 - total flux cleaned = -0.00416568 Jy ! Component: 750 - total flux cleaned = -0.00428861 Jy ! Component: 800 - total flux cleaned = -0.00428882 Jy ! Component: 850 - total flux cleaned = -0.00440959 Jy ! Component: 900 - total flux cleaned = -0.00452906 Jy ! Component: 950 - total flux cleaned = -0.00456853 Jy ! Component: 1000 - total flux cleaned = -0.00460763 Jy ! Component: 1050 - total flux cleaned = -0.00472407 Jy ! Component: 1100 - total flux cleaned = -0.0046856 Jy ! Component: 1150 - total flux cleaned = -0.00476229 Jy ! Component: 1200 - total flux cleaned = -0.00487589 Jy ! Component: 1250 - total flux cleaned = -0.00483814 Jy ! Component: 1300 - total flux cleaned = -0.00487554 Jy ! Component: 1350 - total flux cleaned = -0.00491271 Jy ! Component: 1400 - total flux cleaned = -0.00498644 Jy ! Component: 1450 - total flux cleaned = -0.00498656 Jy ! Component: 1500 - total flux cleaned = -0.00502304 Jy ! Component: 1550 - total flux cleaned = -0.0050952 Jy ! Component: 1600 - total flux cleaned = -0.00513122 Jy ! Component: 1650 - total flux cleaned = -0.00516686 Jy ! Component: 1700 - total flux cleaned = -0.00513134 Jy ! Component: 1750 - total flux cleaned = -0.00516674 Jy ! Component: 1800 - total flux cleaned = -0.00523677 Jy ! Component: 1850 - total flux cleaned = -0.00523682 Jy ! Component: 1900 - total flux cleaned = -0.00530614 Jy ! Component: 1950 - total flux cleaned = -0.00530612 Jy ! Component: 2000 - total flux cleaned = -0.00537459 Jy ! Total flux subtracted in 2048 components = -0.00530651 Jy ! Clean residual min=-0.002180 max=0.002032 Jy/beam ! Clean residual mean=0.000038 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 1.36307 Jy keep ! Adding 162 model components to the UV plane model. ! The established model now contains 239 components and 1.36307 Jy wmap "J0646+4451_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.822 x 3.546 at 22.06 degrees (North through East) ! Clean map min=-0.0027176 max=1.2954 Jy/beam ! Writing clean map to FITS file: J0646+4451_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 1.29543 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000631966 device "J0646+4451_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0646+4451_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.146353 0.146353 0.292706 0.585412 1.17082 2.34165 4.68329 9.36659 18.7332 37.4664 74.9327 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.295 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.822 x 3.546 at 22.06 degrees (North through East) ! Clean map min=-0.0027176 max=1.2954 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0646+4451_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0646+4451_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0646+4451_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:37:51 2010