! Started logfile: J1800+7828_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:43:19 2010 obs J1800+7828_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1800+7828_S_2008_04_02_pus_uva.fits ! AN table 1: 334 integrations on 120 of 120 possible baselines. ! AN table 2: 99 integrations on 120 of 120 possible baselines. ! AN table 3: 69 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.276461 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1800+7828 ! ! 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 985 lines of history. ! ! Reading 66616 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 2962 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2962 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2962 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2962 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! A total of 591 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.892846Jy sigma=0.008560 ! Fit after self-cal, rms=0.601071Jy sigma=0.005745 ! 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=2.141 mas, bmaj=2.391 mas, bpa=-88.55 degrees ! Estimated noise=761.985 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 = 0.993259 Jy ! Component: 100 - total flux cleaned = 1.26279 Jy ! Total flux subtracted in 100 components = 1.26279 Jy ! Clean residual min=-0.031629 max=0.114538 Jy/beam ! Clean residual mean=-0.000202 rms=0.007878 Jy/beam ! Combined flux in latest and established models = 1.26279 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.26279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427181Jy sigma=0.004034 ! Fit after self-cal, rms=0.427131Jy sigma=0.004033 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.122014 Jy ! Component: 100 - total flux cleaned = 0.182226 Jy ! Total flux subtracted in 100 components = 0.182226 Jy ! Clean residual min=-0.028986 max=0.051832 Jy/beam ! Clean residual mean=-0.000110 rms=0.006322 Jy/beam ! Combined flux in latest and established models = 1.44501 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 1.44501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351242Jy sigma=0.003281 ! Fit after self-cal, rms=0.351172Jy sigma=0.003281 ! Inverting map ! Added new window around map position (-6.5, -2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0483314 Jy ! Component: 100 - total flux cleaned = 0.0785684 Jy ! Total flux subtracted in 100 components = 0.0785684 Jy ! Clean residual min=-0.026218 max=0.034444 Jy/beam ! Clean residual mean=-0.000077 rms=0.005985 Jy/beam ! Combined flux in latest and established models = 1.52358 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 1.52358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333683Jy sigma=0.003105 ! Fit after self-cal, rms=0.332855Jy sigma=0.003099 ! 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=3.211 mas, bmaj=4.356 mas, bpa=-79.92 degrees ! Estimated noise=298.911 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-3.5, 1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0833612 Jy ! Component: 100 - total flux cleaned = 0.128804 Jy ! Component: 150 - total flux cleaned = 0.156112 Jy ! Component: 200 - total flux cleaned = 0.171734 Jy ! Total flux subtracted in 200 components = 0.171734 Jy ! Clean residual min=-0.024765 max=0.054741 Jy/beam ! Clean residual mean=0.000022 rms=0.010316 Jy/beam ! Combined flux in latest and established models = 1.69532 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 58 components and 1.69532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312097Jy sigma=0.002899 ! Fit after self-cal, rms=0.310164Jy sigma=0.002884 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.11 HH 1.00* HN 1.05 ! KK 1.15 KP 0.99 LA 1.18 MK 0.82 ! NL 0.93 NY 0.87 ON 0.91 OV 0.97 ! PT 0.99 SC 1.08 WZ 1.00* ZC 1.15 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.11 HH 1.00* HN 1.12 ! KK 1.06 KP 1.03 LA 1.19 MK 0.77 ! NL 0.96 NY 0.84 ON 1.00* OV 0.97 ! PT 1.03 SC 1.16 WZ 1.00* ZC 1.20 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.17 HH 1.00* HN 1.03 ! KK 1.19 KP 1.02 LA 1.18 MK 0.86 ! NL 0.94 NY 0.84 ON 1.00* OV 0.99 ! PT 1.01 SC 1.08 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.20 HH 1.00* HN 1.12 ! KK 1.07 KP 1.02 LA 1.10 MK 0.88 ! NL 0.95 NY 1.00 ON 0.92 OV 0.99 ! PT 0.98 SC 1.12 WZ 1.00* ZC 1.15 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.19 HH 1.00* HN 1.20 ! KK 0.99 KP 1.07 LA 1.12 MK 0.83 ! NL 1.00 NY 0.95 ON 1.00* OV 1.01 ! PT 1.02 SC 1.21 WZ 1.00* ZC 1.17 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.26 HH 1.00* HN 1.10 ! KK 1.10 KP 1.03 LA 1.12 MK 0.91 ! NL 0.97 NY 0.96 ON 1.00* OV 1.01 ! PT 1.01 SC 1.11 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.21 HH 1.00* HN 1.11 ! KK 1.13 KP 1.01 LA 0.87 MK 0.89 ! NL 1.00 NY 0.92 ON 0.90 OV 1.02 ! PT 1.03 SC 1.04 WZ 1.00* ZC 1.07 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.18 HH 1.00* HN 1.19 ! KK 1.03 KP 1.05 LA 0.89 MK 0.84 ! NL 1.03 NY 0.87 ON 1.00* OV 1.03 ! PT 1.07 SC 1.13 WZ 1.00* ZC 1.10 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.10 FD 1.26 HH 1.00* HN 1.11 ! KK 1.16 KP 1.00 LA 0.87 MK 0.95 ! NL 1.01 NY 0.91 ON 1.00* OV 1.05 ! PT 1.05 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.14 HH 1.00* HN 1.02 ! KK 1.10 KP 0.92 LA 0.72 MK 0.96 ! NL 0.90 NY 1.05 ON 0.90 OV 0.84 ! PT 0.89 SC 1.06 WZ 1.00* ZC 1.00 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.15 HH 1.00* HN 1.11 ! KK 1.00 KP 0.97 LA 0.75 MK 0.89 ! NL 0.95 NY 1.00 ON 1.00* OV 0.84 ! PT 0.93 SC 1.16 WZ 1.00* ZC 1.00 ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.27 HH 1.00* HN 1.02 ! KK 1.11 KP 0.93 LA 0.71 MK 1.00 ! NL 0.91 NY 1.01 ON 1.00* OV 0.85 ! PT 0.91 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.310164Jy sigma=0.002884 ! Fit after self-cal, rms=0.179345Jy sigma=0.001548 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.221 mas, bmaj=4.406 mas, bpa=-79.09 degrees ! Estimated noise=298.17 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 (-26, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0345087 Jy ! Component: 100 - total flux cleaned = 0.0549388 Jy ! Component: 150 - total flux cleaned = 0.0621826 Jy ! Component: 200 - total flux cleaned = 0.0661541 Jy ! Total flux subtracted in 200 components = 0.0661541 Jy ! Clean residual min=-0.009723 max=0.013258 Jy/beam ! Clean residual mean=0.000067 rms=0.003057 Jy/beam ! Combined flux in latest and established models = 1.76147 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 100 components and 1.76147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172244Jy sigma=0.001462 ! Fit after self-cal, rms=0.171769Jy sigma=0.001456 ! 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=0.171769Jy sigma=0.001456 ! Fit after self-cal, rms=0.166554Jy sigma=0.001406 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.216 mas, bmaj=4.405 mas, bpa=-79.2 degrees ! Estimated noise=298.066 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105478 Jy ! Component: 100 - total flux cleaned = 0.0143149 Jy ! Component: 150 - total flux cleaned = 0.0178759 Jy ! Component: 200 - total flux cleaned = 0.020579 Jy ! Total flux subtracted in 200 components = 0.020579 Jy ! Clean residual min=-0.008076 max=0.010931 Jy/beam ! Clean residual mean=0.000060 rms=0.002394 Jy/beam ! Combined flux in latest and established models = 1.78205 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 116 components and 1.78205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164273Jy sigma=0.001382 ! Fit after self-cal, rms=0.164055Jy sigma=0.001381 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 (-6, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00808932 Jy ! Component: 100 - total flux cleaned = 0.0107886 Jy ! Component: 150 - total flux cleaned = 0.0126615 Jy ! Component: 200 - total flux cleaned = 0.014373 Jy ! Total flux subtracted in 200 components = 0.014373 Jy ! Clean residual min=-0.008535 max=0.011148 Jy/beam ! Clean residual mean=0.000071 rms=0.002116 Jy/beam ! Combined flux in latest and established models = 1.79642 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 140 components and 1.79642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162994Jy sigma=0.001371 ! Fit after self-cal, rms=0.162915Jy sigma=0.001370 ! Inverting map ! Added new window around map position (-37, -15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100492 Jy ! Component: 100 - total flux cleaned = 0.0125133 Jy ! Component: 150 - total flux cleaned = 0.0144186 Jy ! Component: 200 - total flux cleaned = 0.0157272 Jy ! Total flux subtracted in 200 components = 0.0157272 Jy ! Clean residual min=-0.008341 max=0.007551 Jy/beam ! Clean residual mean=0.000063 rms=0.001834 Jy/beam ! Combined flux in latest and established models = 1.81215 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 172 components and 1.81215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162018Jy sigma=0.001361 ! Fit after self-cal, rms=0.161942Jy sigma=0.001360 ! 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=0.161942Jy sigma=0.001360 ! Fit after self-cal, rms=0.160594Jy sigma=0.001353 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.211 mas, bmaj=4.403 mas, bpa=-79.09 degrees ! Estimated noise=297.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244083 Jy ! Component: 100 - total flux cleaned = 0.00471997 Jy ! Component: 150 - total flux cleaned = 0.00721575 Jy ! Component: 200 - total flux cleaned = 0.00899725 Jy ! Total flux subtracted in 200 components = 0.00899725 Jy ! Clean residual min=-0.004748 max=0.007354 Jy/beam ! Clean residual mean=0.000061 rms=0.001658 Jy/beam ! Combined flux in latest and established models = 1.82115 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 190 components and 1.82115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159689Jy sigma=0.001344 ! Fit after self-cal, rms=0.159611Jy sigma=0.001344 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 (-31.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00651617 Jy ! Component: 100 - total flux cleaned = 0.0096472 Jy ! Component: 150 - total flux cleaned = 0.0120067 Jy ! Component: 200 - total flux cleaned = 0.0134504 Jy ! Total flux subtracted in 200 components = 0.0134504 Jy ! Clean residual min=-0.005512 max=0.005576 Jy/beam ! Clean residual mean=0.000063 rms=0.001391 Jy/beam ! Combined flux in latest and established models = 1.8346 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 211 components and 1.8346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159064Jy sigma=0.001338 ! Fit after self-cal, rms=0.159019Jy sigma=0.001338 ! 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=0.159019Jy sigma=0.001338 ! Fit after self-cal, rms=0.158538Jy sigma=0.001336 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.263 mas, bmaj=10.76 mas, bpa=-82.51 degrees ! Estimated noise=369.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00996527 Jy ! Component: 100 - total flux cleaned = 0.0164179 Jy ! Component: 150 - total flux cleaned = 0.0196226 Jy ! Component: 200 - total flux cleaned = 0.0222349 Jy ! Total flux subtracted in 200 components = 0.0222349 Jy ! Clean residual min=-0.004232 max=0.006114 Jy/beam ! Clean residual mean=0.000120 rms=0.001908 Jy/beam ! Combined flux in latest and established models = 1.85683 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 235 components and 1.85683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158307Jy sigma=0.001332 ! Fit after self-cal, rms=0.158265Jy sigma=0.001331 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 = 0.00267571 Jy ! Component: 100 - total flux cleaned = 0.00440947 Jy ! Component: 150 - total flux cleaned = 0.00577157 Jy ! Component: 200 - total flux cleaned = 0.00673723 Jy ! Total flux subtracted in 200 components = 0.00673723 Jy ! Clean residual min=-0.004212 max=0.005921 Jy/beam ! Clean residual mean=0.000111 rms=0.001744 Jy/beam ! Combined flux in latest and established models = 1.86357 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 246 components and 1.86357 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158200Jy sigma=0.001330 ! Fit after self-cal, rms=0.158171Jy sigma=0.001330 ! 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=3.207 mas, bmaj=4.405 mas, bpa=-78.96 degrees ! Estimated noise=297.03 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.207 x 4.405 at -78.96 degrees (North through East) ! Clean map min=-0.0043197 max=1.4075 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=0.158171Jy sigma=0.001330 ! Fit after self-cal, rms=0.148765Jy sigma=0.001223 ! Inverting map and beam ! Estimated beam: bmin=3.206 mas, bmaj=4.407 mas, bpa=-78.89 degrees ! Estimated noise=296.835 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000455711 Jy ! Component: 100 - total flux cleaned = -0.000703966 Jy ! Component: 150 - total flux cleaned = -0.0010341 Jy ! Component: 200 - total flux cleaned = -0.000627474 Jy ! Total flux subtracted in 200 components = -0.000627474 Jy ! Clean residual min=-0.003424 max=0.004482 Jy/beam ! Clean residual mean=0.000040 rms=0.001082 Jy/beam ! Combined flux in latest and established models = 1.86294 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 257 components and 1.86294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148297Jy sigma=0.001219 ! Fit after self-cal, rms=0.148246Jy sigma=0.001219 ! Inverting map ! Added new window around map position (-42.5, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0027732 Jy ! Component: 100 - total flux cleaned = 0.00331845 Jy ! Component: 150 - total flux cleaned = 0.00380936 Jy ! Component: 200 - total flux cleaned = 0.00448301 Jy ! Total flux subtracted in 200 components = 0.00448301 Jy ! Clean residual min=-0.003446 max=0.004368 Jy/beam ! Clean residual mean=0.000038 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 1.86743 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 271 components and 1.86743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147989Jy sigma=0.001217 ! Fit after self-cal, rms=0.147956Jy sigma=0.001217 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147956Jy sigma=0.001217 ! Fit after self-cal, rms=0.147633Jy sigma=0.001216 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=2.181 mas, bmaj=2.433 mas, bpa=-86.12 degrees ! Estimated noise=774.308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.00698 Jy ! Component: 100 - total flux cleaned = 1.27342 Jy ! Component: 150 - total flux cleaned = 1.39159 Jy ! Component: 200 - total flux cleaned = 1.45724 Jy ! Total flux subtracted in 200 components = 1.45724 Jy ! Clean residual min=-0.012081 max=0.036358 Jy/beam ! Clean residual mean=-0.000104 rms=0.003066 Jy/beam ! Combined flux in latest and established models = 1.45724 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.45724 Jy ! Inverting map and beam ! Estimated beam: bmin=3.203 mas, bmaj=4.407 mas, bpa=-78.81 degrees ! Estimated noise=296.626 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 = 0.111608 Jy ! Component: 100 - total flux cleaned = 0.168591 Jy ! Component: 150 - total flux cleaned = 0.207824 Jy ! Component: 200 - total flux cleaned = 0.237269 Jy ! Total flux subtracted in 200 components = 0.237269 Jy ! Clean residual min=-0.007843 max=0.017312 Jy/beam ! Clean residual mean=-0.000068 rms=0.004960 Jy/beam ! Combined flux in latest and established models = 1.69451 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 109 components and 1.69451 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=8.263 mas, bmaj=10.76 mas, bpa=-82.32 degrees ! Estimated noise=368.911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0444975 Jy ! Component: 100 - total flux cleaned = 0.0758346 Jy ! Component: 150 - total flux cleaned = 0.0991942 Jy ! Component: 200 - total flux cleaned = 0.117 Jy ! Total flux subtracted in 200 components = 0.117 Jy ! Clean residual min=-0.007448 max=0.011808 Jy/beam ! Clean residual mean=-0.000006 rms=0.004075 Jy/beam ! Combined flux in latest and established models = 1.81151 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 = 0.0137773 Jy ! Component: 100 - total flux cleaned = 0.0245878 Jy ! Component: 150 - total flux cleaned = 0.0331533 Jy ! Component: 200 - total flux cleaned = 0.039992 Jy ! Total flux subtracted in 200 components = 0.039992 Jy ! Clean residual min=-0.005139 max=0.006192 Jy/beam ! Clean residual mean=0.000036 rms=0.002185 Jy/beam ! Combined flux in latest and established models = 1.8515 Jy ! Adding 215 model components to the UV plane model. ! The established model now contains 312 components and 1.8515 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.203 mas, bmaj=4.407 mas, bpa=-78.81 degrees ! Estimated noise=296.626 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00398785 Jy ! Component: 100 - total flux cleaned = 0.00698171 Jy ! Component: 150 - total flux cleaned = 0.00956637 Jy ! Component: 200 - total flux cleaned = 0.0115914 Jy ! Total flux subtracted in 200 components = 0.0115914 Jy ! Clean residual min=-0.003410 max=0.004223 Jy/beam ! Clean residual mean=0.000025 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 1.86309 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 338 components and 1.86309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147661Jy sigma=0.001217 ! Fit after self-cal, rms=0.147193Jy sigma=0.001214 wmodel J1800+7828_S_2008_04_02_pus_map.mod ! Writing 338 model components to file: J1800+7828_S_2008_04_02_pus_map.mod wobs J1800+7828_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1800+7828_S_2008_04_02_pus_uvs.fits wwins J1800+7828_S_2008_04_02_pus_map.win ! wwins: Wrote 8 windows to J1800+7828_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 = 0.00188955 Jy ! Component: 100 - total flux cleaned = 0.00360286 Jy ! Component: 150 - total flux cleaned = 0.00508281 Jy ! Component: 200 - total flux cleaned = 0.00636642 Jy ! Component: 250 - total flux cleaned = 0.00764896 Jy ! Component: 300 - total flux cleaned = 0.00887846 Jy ! Component: 350 - total flux cleaned = 0.0100098 Jy ! Component: 400 - total flux cleaned = 0.0108959 Jy ! Component: 450 - total flux cleaned = 0.0116564 Jy ! Component: 500 - total flux cleaned = 0.0124444 Jy ! Component: 550 - total flux cleaned = 0.0130197 Jy ! Component: 600 - total flux cleaned = 0.0136757 Jy ! Component: 650 - total flux cleaned = 0.0140888 Jy ! Component: 700 - total flux cleaned = 0.0146288 Jy ! Component: 750 - total flux cleaned = 0.0150261 Jy ! Component: 800 - total flux cleaned = 0.015545 Jy ! Component: 850 - total flux cleaned = 0.0159691 Jy ! Component: 900 - total flux cleaned = 0.0164283 Jy ! Component: 950 - total flux cleaned = 0.0167564 Jy ! Component: 1000 - total flux cleaned = 0.0172002 Jy ! Component: 1050 - total flux cleaned = 0.0174384 Jy ! Component: 1100 - total flux cleaned = 0.0177512 Jy ! Component: 1150 - total flux cleaned = 0.0179441 Jy ! Component: 1200 - total flux cleaned = 0.0182112 Jy ! Component: 1250 - total flux cleaned = 0.0185121 Jy ! Component: 1300 - total flux cleaned = 0.0187349 Jy ! Component: 1350 - total flux cleaned = 0.0189553 Jy ! Component: 1400 - total flux cleaned = 0.019245 Jy ! Component: 1450 - total flux cleaned = 0.0194244 Jy ! Component: 1500 - total flux cleaned = 0.0197428 Jy ! Component: 1550 - total flux cleaned = 0.0199527 Jy ! Component: 1600 - total flux cleaned = 0.0202642 Jy ! Component: 1650 - total flux cleaned = 0.0203668 Jy ! Component: 1700 - total flux cleaned = 0.0206381 Jy ! Component: 1750 - total flux cleaned = 0.0208398 Jy ! Component: 1800 - total flux cleaned = 0.0210061 Jy ! Component: 1850 - total flux cleaned = 0.0212038 Jy ! Component: 1900 - total flux cleaned = 0.0213671 Jy ! Component: 1950 - total flux cleaned = 0.0215284 Jy ! Component: 2000 - total flux cleaned = 0.0217209 Jy ! Total flux subtracted in 2048 components = 0.0218794 Jy ! Clean residual min=-0.001746 max=0.001846 Jy/beam ! Clean residual mean=0.000032 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 1.88497 Jy keep ! Adding 144 model components to the UV plane model. ! The established model now contains 474 components and 1.88497 Jy wmap "J1800+7828_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.203 x 4.407 at -78.81 degrees (North through East) ! Clean map min=-0.0025371 max=1.4102 Jy/beam ! Writing clean map to FITS file: J1800+7828_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 1.41021 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000605989 device "J1800+7828_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1800+7828_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.128915 0.128915 0.257829 0.515658 1.03132 2.06263 4.12527 8.25053 16.5011 33.0021 66.0042 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.41 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.203 x 4.407 at -78.81 degrees (North through East) ! Clean map min=-0.0025371 max=1.4102 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1800+7828_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1800+7828_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1800+7828_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:43:32 2010