! Started logfile: J0958+4725_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:38:46 2010 obs J0958+4725_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0958+4725_S_2008_04_02_pus_uva.fits ! AN table 1: 127 integrations on 120 of 120 possible baselines. ! AN table 2: 12 integrations on 120 of 120 possible baselines. ! AN table 3: 28 integrations on 120 of 120 possible baselines. ! AN table 4: 63 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.21221 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0958+4725 ! ! 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 23428 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 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.862227Jy sigma=0.008386 ! Fit after self-cal, rms=0.363398Jy sigma=0.003247 ! 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=2.501 mas, bmaj=3.343 mas, bpa=13.07 degrees ! Estimated noise=1048.95 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 = 0.944072 Jy ! Component: 100 - total flux cleaned = 1.15218 Jy ! Total flux subtracted in 100 components = 1.15218 Jy ! Clean residual min=-0.026467 max=0.065872 Jy/beam ! Clean residual mean=0.000194 rms=0.007678 Jy/beam ! Combined flux in latest and established models = 1.15218 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.15218 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291470Jy sigma=0.002520 ! Fit after self-cal, rms=0.291461Jy sigma=0.002520 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659573 Jy ! Component: 100 - total flux cleaned = 0.0957754 Jy ! Total flux subtracted in 100 components = 0.0957754 Jy ! Clean residual min=-0.031310 max=0.032411 Jy/beam ! Clean residual mean=-0.000032 rms=0.006852 Jy/beam ! Combined flux in latest and established models = 1.24795 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 1.24795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278112Jy sigma=0.002393 ! Fit after self-cal, rms=0.278085Jy sigma=0.002393 ! 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=4.036 mas, bmaj=4.68 mas, bpa=25.96 degrees ! Estimated noise=500.389 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 = 0.00677453 Jy ! Component: 100 - total flux cleaned = 0.00769548 Jy ! Component: 150 - total flux cleaned = 0.00848215 Jy ! Component: 200 - total flux cleaned = 0.00919672 Jy ! Total flux subtracted in 200 components = 0.00919672 Jy ! Clean residual min=-0.032296 max=0.033631 Jy/beam ! Clean residual mean=-0.000686 rms=0.008860 Jy/beam ! Combined flux in latest and established models = 1.25715 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 14 components and 1.25715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276601Jy sigma=0.002383 ! Fit after self-cal, rms=0.276570Jy sigma=0.002383 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HH 1.00* HN 1.08 ! KK 1.09 KP 1.00 LA 1.18 MK 0.81 ! NL 0.91 NY 0.83 ON 1.00 OV 0.95 ! PT 0.99 SC 1.08 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.13 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.89 ON 0.98 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.93 ZC 1.18 ! ! A total of 3 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 1.00* KP 1.12 LA 1.25 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.06 SC 1.03 WZ 0.92 ZC 1.27 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.14 HH 1.00* HN 1.12 ! KK 1.00* KP 1.07 LA 1.21 MK 1.00* ! NL 0.93 NY 0.83 ON 0.83 OV 1.00* ! PT 1.02 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.13 HH 1.00* HN 1.15 ! KK 1.02 KP 1.02 LA 1.11 MK 0.87 ! NL 0.93 NY 0.97 ON 1.02 OV 0.99 ! PT 0.98 SC 1.11 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.14 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.95 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.86 ZC 1.25 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.22 HH 1.00* HN 1.00* ! KK 1.00* KP 1.14 LA 1.19 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 1.07 WZ 0.88 ZC 1.23 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.23 HH 1.00* HN 1.19 ! KK 1.00* KP 1.08 LA 1.14 MK 1.00* ! NL 0.98 NY 1.00 ON 0.88 OV 1.00* ! PT 1.03 SC 1.07 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.14 HH 1.00* HN 1.13 ! KK 1.06 KP 1.01 LA 0.86 MK 0.89 ! NL 0.97 NY 0.89 ON 0.95 OV 1.00 ! PT 1.04 SC 1.03 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.06 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.91 ON 0.94 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.78 ZC 1.19 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.09 FD 1.21 HH 1.00* HN 1.00* ! KK 1.00* KP 1.13 LA 0.92 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.12 SC 0.98 WZ 0.79 ZC 1.19 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 1.22 HH 1.00* HN 1.18 ! KK 1.00* KP 1.07 LA 0.88 MK 1.00* ! NL 1.02 NY 0.91 ON 0.99 OV 1.00* ! PT 1.08 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.10 HH 1.00* HN 1.05 ! KK 1.02 KP 0.92 LA 0.73 MK 0.94 ! NL 0.88 NY 1.01 ON 1.02 OV 0.83 ! PT 0.89 SC 1.06 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.08 ON 0.97 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.77 ZC 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.18 HH 1.00* HN 1.00* ! KK 1.00* KP 1.02 LA 0.75 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.96 SC 1.00 WZ 0.77 ZC 1.07 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.92 FD 1.19 HH 1.00* HN 1.09 ! KK 1.00* KP 0.98 LA 0.76 MK 1.00* ! NL 0.92 NY 1.07 ON 1.05 OV 1.00* ! PT 0.94 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.276570Jy sigma=0.002383 ! Fit after self-cal, rms=0.174865Jy sigma=0.001311 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.047 mas, bmaj=4.663 mas, bpa=23.79 degrees ! Estimated noise=500.59 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 (5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00450926 Jy ! Component: 100 - total flux cleaned = 0.00481173 Jy ! Component: 150 - total flux cleaned = 0.00533527 Jy ! Component: 200 - total flux cleaned = 0.00544772 Jy ! Total flux subtracted in 200 components = 0.00544772 Jy ! Clean residual min=-0.004057 max=0.004240 Jy/beam ! Clean residual mean=-0.000094 rms=0.000998 Jy/beam ! Combined flux in latest and established models = 1.2626 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 30 components and 1.2626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174577Jy sigma=0.001307 ! Fit after self-cal, rms=0.174480Jy sigma=0.001306 ! 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=0.174480Jy sigma=0.001306 ! Fit after self-cal, rms=0.173708Jy sigma=0.001297 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.041 mas, bmaj=4.662 mas, bpa=24.21 degrees ! Estimated noise=500.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00330754 Jy ! Component: 100 - total flux cleaned = 0.00364953 Jy ! Component: 150 - total flux cleaned = 0.00374865 Jy ! Component: 200 - total flux cleaned = 0.00374776 Jy ! Total flux subtracted in 200 components = 0.00374776 Jy ! Clean residual min=-0.003030 max=0.003327 Jy/beam ! Clean residual mean=-0.000111 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 1.26635 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 40 components and 1.26635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173564Jy sigma=0.001295 ! Fit after self-cal, rms=0.173551Jy sigma=0.001295 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 = 0.000706925 Jy ! Component: 100 - total flux cleaned = 0.000549867 Jy ! Component: 150 - total flux cleaned = 0.00055216 Jy ! Component: 200 - total flux cleaned = 0.000551726 Jy ! Total flux subtracted in 200 components = 0.000551726 Jy ! Clean residual min=-0.003123 max=0.003353 Jy/beam ! Clean residual mean=-0.000121 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 1.2669 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 46 components and 1.2669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173497Jy sigma=0.001294 ! Fit after self-cal, rms=0.173491Jy sigma=0.001294 ! 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=0.173491Jy sigma=0.001294 ! Fit after self-cal, rms=0.173230Jy sigma=0.001291 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.036 mas, bmaj=4.663 mas, bpa=24.16 degrees ! Estimated noise=501.283 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132694 Jy ! Component: 100 - total flux cleaned = 0.0014053 Jy ! Component: 150 - total flux cleaned = 0.00147304 Jy ! Component: 200 - total flux cleaned = 0.00141078 Jy ! Total flux subtracted in 200 components = 0.00141078 Jy ! Clean residual min=-0.003209 max=0.003041 Jy/beam ! Clean residual mean=-0.000100 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 1.26831 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 1.26831 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173162Jy sigma=0.001290 ! Fit after self-cal, rms=0.173153Jy sigma=0.001290 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 = 2.25733e-06 Jy ! Component: 100 - total flux cleaned = -5.30808e-05 Jy ! Component: 150 - total flux cleaned = -5.32856e-05 Jy ! Component: 200 - total flux cleaned = -0.000104802 Jy ! Total flux subtracted in 200 components = -0.000104802 Jy ! Clean residual min=-0.003192 max=0.003019 Jy/beam ! Clean residual mean=-0.000098 rms=0.000759 Jy/beam ! Combined flux in latest and established models = 1.2682 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 1.2682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173124Jy sigma=0.001290 ! Fit after self-cal, rms=0.173121Jy sigma=0.001290 ! 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=0.173121Jy sigma=0.001290 ! Fit after self-cal, rms=0.173073Jy sigma=0.001290 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.63 mas, bmaj=9.843 mas, bpa=61.11 degrees ! Estimated noise=587.333 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000821196 Jy ! Component: 100 - total flux cleaned = 0.000942193 Jy ! Component: 150 - total flux cleaned = 0.000940659 Jy ! Component: 200 - total flux cleaned = 0.000918682 Jy ! Total flux subtracted in 200 components = 0.000918682 Jy ! Clean residual min=-0.002931 max=0.002052 Jy/beam ! Clean residual mean=-0.000174 rms=0.000822 Jy/beam ! Combined flux in latest and established models = 1.26912 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 1.26912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173058Jy sigma=0.001289 ! Fit after self-cal, rms=0.173046Jy sigma=0.001289 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 = -5.19366e-05 Jy ! Component: 100 - total flux cleaned = -1.48317e-06 Jy ! Component: 150 - total flux cleaned = 2.45375e-06 Jy ! Component: 200 - total flux cleaned = -1.61867e-05 Jy ! Total flux subtracted in 200 components = -1.61867e-05 Jy ! Clean residual min=-0.002913 max=0.002065 Jy/beam ! Clean residual mean=-0.000173 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 1.26911 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 69 components and 1.26911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173038Jy sigma=0.001289 ! Fit after self-cal, rms=0.173033Jy sigma=0.001289 ! 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=4.033 mas, bmaj=4.663 mas, bpa=24.08 degrees ! Estimated noise=501.719 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.033 x 4.663 at 24.08 degrees (North through East) ! Clean map min=-0.003061 max=1.2249 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=0.173033Jy sigma=0.001289 ! Fit after self-cal, rms=0.162489Jy sigma=0.001156 ! Inverting map and beam ! Estimated beam: bmin=4.033 mas, bmaj=4.664 mas, bpa=24.08 degrees ! Estimated noise=501.807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00057985 Jy ! Component: 100 - total flux cleaned = 0.000575912 Jy ! Component: 150 - total flux cleaned = 0.00057655 Jy ! Component: 200 - total flux cleaned = 0.000525383 Jy ! Total flux subtracted in 200 components = 0.000525383 Jy ! Clean residual min=-0.002611 max=0.003300 Jy/beam ! Clean residual mean=-0.000109 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 1.26963 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 73 components and 1.26963 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162441Jy sigma=0.001155 ! Fit after self-cal, rms=0.162440Jy sigma=0.001155 ! Inverting map ! Added new window around map position (22.5, -56). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163131 Jy ! Component: 100 - total flux cleaned = 0.00155675 Jy ! Component: 150 - total flux cleaned = 0.00155338 Jy ! Component: 200 - total flux cleaned = 0.00149574 Jy ! Total flux subtracted in 200 components = 0.00149574 Jy ! Clean residual min=-0.002428 max=0.002804 Jy/beam ! Clean residual mean=-0.000114 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 1.27113 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 1.27113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162342Jy sigma=0.001154 ! Fit after self-cal, rms=0.162345Jy sigma=0.001154 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162345Jy sigma=0.001154 ! Fit after self-cal, rms=0.162290Jy sigma=0.001154 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=2.541 mas, bmaj=3.306 mas, bpa=11.93 degrees ! Estimated noise=1044.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.94006 Jy ! Component: 100 - total flux cleaned = 1.14514 Jy ! Component: 150 - total flux cleaned = 1.20283 Jy ! Component: 200 - total flux cleaned = 1.22891 Jy ! Total flux subtracted in 200 components = 1.22891 Jy ! Clean residual min=-0.006142 max=0.012346 Jy/beam ! Clean residual mean=0.000074 rms=0.001809 Jy/beam ! Combined flux in latest and established models = 1.22891 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.22892 Jy ! Inverting map and beam ! Estimated beam: bmin=4.031 mas, bmaj=4.665 mas, bpa=24.06 degrees ! Estimated noise=502.043 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 = 0.0194208 Jy ! Component: 100 - total flux cleaned = 0.029115 Jy ! Component: 150 - total flux cleaned = 0.0349525 Jy ! Component: 200 - total flux cleaned = 0.0388434 Jy ! Total flux subtracted in 200 components = 0.0388434 Jy ! Clean residual min=-0.002674 max=0.002956 Jy/beam ! Clean residual mean=-0.000026 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 1.26776 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 43 components and 1.26776 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=8.629 mas, bmaj=9.841 mas, bpa=60.97 degrees ! Estimated noise=587.766 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00253187 Jy ! Component: 100 - total flux cleaned = 0.00264453 Jy ! Component: 150 - total flux cleaned = 0.00268671 Jy ! Component: 200 - total flux cleaned = 0.00268528 Jy ! Total flux subtracted in 200 components = 0.00268528 Jy ! Clean residual min=-0.002918 max=0.002167 Jy/beam ! Clean residual mean=-0.000166 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 1.27044 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 = 7.09546e-05 Jy ! Component: 100 - total flux cleaned = 0.000133719 Jy ! Component: 150 - total flux cleaned = 0.000134236 Jy ! Component: 200 - total flux cleaned = 0.000161017 Jy ! Total flux subtracted in 200 components = 0.000161017 Jy ! Clean residual min=-0.002905 max=0.002153 Jy/beam ! Clean residual mean=-0.000174 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 1.2706 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 76 components and 1.2706 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.031 mas, bmaj=4.665 mas, bpa=24.06 degrees ! Estimated noise=502.043 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0006481 Jy ! Component: 100 - total flux cleaned = 0.000788302 Jy ! Component: 150 - total flux cleaned = 0.000857212 Jy ! Component: 200 - total flux cleaned = 0.00103832 Jy ! Total flux subtracted in 200 components = 0.00103832 Jy ! Clean residual min=-0.002485 max=0.002716 Jy/beam ! Clean residual mean=-0.000103 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 1.27164 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 91 components and 1.27164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162325Jy sigma=0.001154 ! Fit after self-cal, rms=0.162287Jy sigma=0.001154 wmodel J0958+4725_S_2008_04_02_pus_map.mod ! Writing 91 model components to file: J0958+4725_S_2008_04_02_pus_map.mod wobs J0958+4725_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0958+4725_S_2008_04_02_pus_uvs.fits wwins J0958+4725_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0958+4725_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 = 0.000275849 Jy ! Component: 100 - total flux cleaned = 0.000186212 Jy ! Component: 150 - total flux cleaned = 0.000100657 Jy ! Component: 200 - total flux cleaned = 1.69962e-05 Jy ! Component: 250 - total flux cleaned = -6.40531e-05 Jy ! Component: 300 - total flux cleaned = -0.000222297 Jy ! Component: 350 - total flux cleaned = -0.000377167 Jy ! Component: 400 - total flux cleaned = -0.00052877 Jy ! Component: 450 - total flux cleaned = -0.000714441 Jy ! Component: 500 - total flux cleaned = -0.000823689 Jy ! Component: 550 - total flux cleaned = -0.00096655 Jy ! Component: 600 - total flux cleaned = -0.00107196 Jy ! Component: 650 - total flux cleaned = -0.00120991 Jy ! Component: 700 - total flux cleaned = -0.0013457 Jy ! Component: 750 - total flux cleaned = -0.00137923 Jy ! Component: 800 - total flux cleaned = -0.00151155 Jy ! Component: 850 - total flux cleaned = -0.00160927 Jy ! Component: 900 - total flux cleaned = -0.00167326 Jy ! Component: 950 - total flux cleaned = -0.00167365 Jy ! Component: 1000 - total flux cleaned = -0.00176802 Jy ! Component: 1050 - total flux cleaned = -0.00189218 Jy ! Component: 1100 - total flux cleaned = -0.00198401 Jy ! Component: 1150 - total flux cleaned = -0.00204442 Jy ! Component: 1200 - total flux cleaned = -0.00213488 Jy ! Component: 1250 - total flux cleaned = -0.00219464 Jy ! Component: 1300 - total flux cleaned = -0.00225388 Jy ! Component: 1350 - total flux cleaned = -0.00240046 Jy ! Component: 1400 - total flux cleaned = -0.00242951 Jy ! Component: 1450 - total flux cleaned = -0.00251622 Jy ! Component: 1500 - total flux cleaned = -0.00257352 Jy ! Component: 1550 - total flux cleaned = -0.00268742 Jy ! Component: 1600 - total flux cleaned = -0.00277224 Jy ! Component: 1650 - total flux cleaned = -0.00288423 Jy ! Component: 1700 - total flux cleaned = -0.00294002 Jy ! Component: 1750 - total flux cleaned = -0.00305049 Jy ! Component: 1800 - total flux cleaned = -0.00307803 Jy ! Component: 1850 - total flux cleaned = -0.00318723 Jy ! Component: 1900 - total flux cleaned = -0.00324148 Jy ! Component: 1950 - total flux cleaned = -0.00332213 Jy ! Component: 2000 - total flux cleaned = -0.00332222 Jy ! Total flux subtracted in 2048 components = -0.00342851 Jy ! Clean residual min=-0.001463 max=0.001525 Jy/beam ! Clean residual mean=-0.000052 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 1.26821 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 217 components and 1.26821 Jy wmap "J0958+4725_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.031 x 4.665 at 24.06 degrees (North through East) ! Clean map min=-0.0022628 max=1.2263 Jy/beam ! Writing clean map to FITS file: J0958+4725_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 1.22632 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000500731 device "J0958+4725_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0958+4725_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.122496 0.122496 0.244992 0.489983 0.979967 1.95993 3.91987 7.83974 15.6795 31.3589 62.7179 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.226 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.031 x 4.665 at 24.06 degrees (North through East) ! Clean map min=-0.0022628 max=1.2263 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0958+4725_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0958+4725_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0958+4725_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:38:52 2010