! Started logfile: J1700-2610_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:42:44 2010 obs J1700-2610_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1700-2610_S_2008_04_02_pus_uva.fits ! AN table 1: 513 integrations on 120 of 120 possible baselines. ! AN table 2: 143 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.115142 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1700-2610 ! ! 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 36256 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 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.623081Jy sigma=0.004474 ! Fit after self-cal, rms=0.521962Jy sigma=0.003697 ! 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=2.546 mas, bmaj=4.218 mas, bpa=-3.479 degrees ! Estimated noise=1454.76 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 = 0.392364 Jy ! Component: 100 - total flux cleaned = 0.520185 Jy ! Total flux subtracted in 100 components = 0.520185 Jy ! Clean residual min=-0.028204 max=0.054853 Jy/beam ! Clean residual mean=0.000235 rms=0.009350 Jy/beam ! Combined flux in latest and established models = 0.520185 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.520185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269096Jy sigma=0.001847 ! Fit after self-cal, rms=0.269474Jy sigma=0.001847 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0625223 Jy ! Component: 100 - total flux cleaned = 0.0999605 Jy ! Total flux subtracted in 100 components = 0.0999605 Jy ! Clean residual min=-0.022395 max=0.032658 Jy/beam ! Clean residual mean=-0.000077 rms=0.006622 Jy/beam ! Combined flux in latest and established models = 0.620145 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 30 components and 0.620145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248344Jy sigma=0.001622 ! Fit after self-cal, rms=0.248273Jy sigma=0.001622 ! 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=3.284 mas, bmaj=5.725 mas, bpa=-7.302 degrees ! Estimated noise=499.783 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 = 0.0390067 Jy ! Component: 100 - total flux cleaned = 0.0584103 Jy ! Component: 150 - total flux cleaned = 0.0685587 Jy ! Component: 200 - total flux cleaned = 0.0738851 Jy ! Total flux subtracted in 200 components = 0.0738851 Jy ! Clean residual min=-0.023498 max=0.026370 Jy/beam ! Clean residual mean=-0.000929 rms=0.006465 Jy/beam ! Combined flux in latest and established models = 0.69403 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 0.69403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243033Jy sigma=0.001564 ! Fit after self-cal, rms=0.243049Jy sigma=0.001564 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.05 HH 1.04 HN 1.00* ! KK 1.12 KP 0.98 LA 1.16 MK 0.79 ! NL 0.94 NY 1.00* ON 0.98 OV 0.92 ! PT 0.99 SC 1.16 WZ 1.06 ZC 1.14 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.09 HH 1.00* HN 1.16 ! KK 1.00* KP 1.04 LA 1.23 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.00* ! PT 1.04 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.12 HH 1.05 HN 1.00* ! KK 1.06 KP 0.99 LA 1.08 MK 0.84 ! NL 0.97 NY 1.00* ON 0.97 OV 0.95 ! PT 0.97 SC 1.15 WZ 0.96 ZC 1.14 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.22 HH 1.00* HN 1.28 ! KK 1.00* KP 1.11 LA 1.19 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 1.00* ! PT 1.10 SC 1.10 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.13 HH 0.93 HN 1.00* ! KK 1.08 KP 0.98 LA 0.85 MK 0.84 ! NL 0.99 NY 1.00* ON 0.96 OV 0.98 ! PT 1.03 SC 0.98 WZ 0.90 ZC 1.04 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.16 HH 1.00* HN 1.19 ! KK 1.00* KP 1.04 LA 0.91 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 1.00* ! PT 1.08 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.09 HH 0.94 HN 1.00* ! KK 1.04 KP 0.91 LA 0.73 MK 0.89 ! NL 0.91 NY 1.00* ON 1.00 OV 0.82 ! PT 0.88 SC 1.03 WZ 0.84 ZC 1.00 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.15 HH 1.00* HN 1.10 ! KK 1.00* KP 1.46 LA 0.76 MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.243049Jy sigma=0.001564 ! Fit after self-cal, rms=0.217973Jy sigma=0.001319 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.191 mas, bmaj=7.086 mas, bpa=-5.546 degrees ! Estimated noise=504.963 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 (4.5, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00780619 Jy ! Component: 100 - total flux cleaned = 0.00879074 Jy ! Component: 150 - total flux cleaned = 0.00974427 Jy ! Component: 200 - total flux cleaned = 0.010365 Jy ! Total flux subtracted in 200 components = 0.010365 Jy ! Clean residual min=-0.006308 max=0.005300 Jy/beam ! Clean residual mean=-0.000232 rms=0.001421 Jy/beam ! Combined flux in latest and established models = 0.704395 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 61 components and 0.704395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217293Jy sigma=0.001313 ! Fit after self-cal, rms=0.216923Jy sigma=0.001311 ! 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=0.216923Jy sigma=0.001311 ! Fit after self-cal, rms=0.215823Jy sigma=0.001310 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.172 mas, bmaj=7.065 mas, bpa=-5.511 degrees ! Estimated noise=504.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345998 Jy ! Component: 100 - total flux cleaned = 0.00403107 Jy ! Component: 150 - total flux cleaned = 0.00426842 Jy ! Component: 200 - total flux cleaned = 0.00447362 Jy ! Total flux subtracted in 200 components = 0.00447362 Jy ! Clean residual min=-0.005465 max=0.004372 Jy/beam ! Clean residual mean=-0.000128 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 0.708869 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 71 components and 0.708869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215609Jy sigma=0.001309 ! Fit after self-cal, rms=0.215480Jy 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 = 0.000206609 Jy ! Component: 100 - total flux cleaned = 4.54057e-05 Jy ! Component: 150 - total flux cleaned = 5.08869e-05 Jy ! Component: 200 - total flux cleaned = 0.000120162 Jy ! Total flux subtracted in 200 components = 0.000120162 Jy ! Clean residual min=-0.005495 max=0.004262 Jy/beam ! Clean residual mean=-0.000128 rms=0.001175 Jy/beam ! Combined flux in latest and established models = 0.708989 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 0.708989 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215417Jy sigma=0.001308 ! Fit after self-cal, rms=0.215435Jy sigma=0.001308 ! 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=0.215435Jy sigma=0.001308 ! Fit after self-cal, rms=0.214954Jy sigma=0.001308 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.157 mas, bmaj=7.053 mas, bpa=-5.449 degrees ! Estimated noise=503.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00195572 Jy ! Component: 100 - total flux cleaned = 0.00187534 Jy ! Component: 150 - total flux cleaned = 0.0018004 Jy ! Component: 200 - total flux cleaned = 0.00173366 Jy ! Total flux subtracted in 200 components = 0.00173366 Jy ! Clean residual min=-0.004800 max=0.003507 Jy/beam ! Clean residual mean=-0.000069 rms=0.001042 Jy/beam ! Combined flux in latest and established models = 0.710723 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.710723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214871Jy sigma=0.001307 ! Fit after self-cal, rms=0.214827Jy sigma=0.001307 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 = -0.000193714 Jy ! Component: 100 - total flux cleaned = -0.000312693 Jy ! Component: 150 - total flux cleaned = -0.000423271 Jy ! Component: 200 - total flux cleaned = -0.000476121 Jy ! Total flux subtracted in 200 components = -0.000476121 Jy ! Clean residual min=-0.004742 max=0.003480 Jy/beam ! Clean residual mean=-0.000063 rms=0.001025 Jy/beam ! Combined flux in latest and established models = 0.710247 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 0.710247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214795Jy sigma=0.001307 ! Fit after self-cal, rms=0.214812Jy sigma=0.001307 ! 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=0.214812Jy sigma=0.001307 ! Fit after self-cal, rms=0.214536Jy sigma=0.001307 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.166 mas, bmaj=17.49 mas, bpa=-0.3792 degrees ! Estimated noise=625.668 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000482647 Jy ! Component: 100 - total flux cleaned = 0.00045275 Jy ! Component: 150 - total flux cleaned = 0.000399336 Jy ! Component: 200 - total flux cleaned = 0.000374504 Jy ! Total flux subtracted in 200 components = 0.000374504 Jy ! Clean residual min=-0.004166 max=0.003552 Jy/beam ! Clean residual mean=-0.000068 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.710621 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 102 components and 0.710621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214528Jy sigma=0.001307 ! Fit after self-cal, rms=0.214479Jy sigma=0.001307 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 = 0.000107467 Jy ! Component: 100 - total flux cleaned = 8.38187e-05 Jy ! Component: 150 - total flux cleaned = 5.94946e-05 Jy ! Component: 200 - total flux cleaned = 3.59961e-05 Jy ! Total flux subtracted in 200 components = 3.59961e-05 Jy ! Clean residual min=-0.004188 max=0.003566 Jy/beam ! Clean residual mean=-0.000068 rms=0.001149 Jy/beam ! Combined flux in latest and established models = 0.710657 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 108 components and 0.710657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214473Jy sigma=0.001307 ! Fit after self-cal, rms=0.214477Jy sigma=0.001307 ! 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=3.147 mas, bmaj=7.042 mas, bpa=-5.388 degrees ! Estimated noise=503.161 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.147 x 7.042 at -5.388 degrees (North through East) ! Clean map min=-0.0044178 max=0.53413 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=0.214477Jy sigma=0.001307 ! Fit after self-cal, rms=0.650969Jy sigma=0.001139 ! Inverting map and beam ! Estimated beam: bmin=3.146 mas, bmaj=7.032 mas, bpa=-5.297 degrees ! Estimated noise=503.511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000641771 Jy ! Component: 100 - total flux cleaned = 0.000380057 Jy ! Component: 150 - total flux cleaned = 0.000265986 Jy ! Component: 200 - total flux cleaned = 0.000161815 Jy ! Total flux subtracted in 200 components = 0.000161815 Jy ! Clean residual min=-0.004053 max=0.003002 Jy/beam ! Clean residual mean=-0.000062 rms=0.000906 Jy/beam ! Combined flux in latest and established models = 0.710819 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 112 components and 0.710819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.650934Jy sigma=0.001139 ! Fit after self-cal, rms=0.650973Jy sigma=0.001139 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000208901 Jy ! Component: 100 - total flux cleaned = -0.000254434 Jy ! Component: 150 - total flux cleaned = -0.000297219 Jy ! Component: 200 - total flux cleaned = -0.000297045 Jy ! Total flux subtracted in 200 components = -0.000297045 Jy ! Clean residual min=-0.003980 max=0.002934 Jy/beam ! Clean residual mean=-0.000059 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 0.710522 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 114 components and 0.710522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.650954Jy sigma=0.001139 ! Fit after self-cal, rms=0.650960Jy sigma=0.001139 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.650960Jy sigma=0.001139 ! Fit after self-cal, rms=1.170035Jy sigma=0.001139 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=2.407 mas, bmaj=5.382 mas, bpa=-1.828 degrees ! Estimated noise=1524.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.393623 Jy ! Component: 100 - total flux cleaned = 0.52894 Jy ! Component: 150 - total flux cleaned = 0.597097 Jy ! Component: 200 - total flux cleaned = 0.636183 Jy ! Total flux subtracted in 200 components = 0.636183 Jy ! Clean residual min=-0.009987 max=0.020049 Jy/beam ! Clean residual mean=0.000207 rms=0.003408 Jy/beam ! Combined flux in latest and established models = 0.636183 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.636183 Jy ! Inverting map and beam ! Estimated beam: bmin=3.14 mas, bmaj=7.031 mas, bpa=-5.265 degrees ! Estimated noise=503.128 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 = 0.0356303 Jy ! Component: 100 - total flux cleaned = 0.0520357 Jy ! Component: 150 - total flux cleaned = 0.0602058 Jy ! Component: 200 - total flux cleaned = 0.0649895 Jy ! Total flux subtracted in 200 components = 0.0649895 Jy ! Clean residual min=-0.002807 max=0.004458 Jy/beam ! Clean residual mean=0.000064 rms=0.000903 Jy/beam ! Combined flux in latest and established models = 0.701173 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 63 components and 0.701173 Jy ! Inverting map ! Added new window around map position (-5, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0042032 Jy ! Component: 100 - total flux cleaned = 0.00542524 Jy ! Component: 150 - total flux cleaned = 0.00605777 Jy ! Component: 200 - total flux cleaned = 0.00638179 Jy ! Total flux subtracted in 200 components = 0.00638179 Jy ! Clean residual min=-0.002746 max=0.002949 Jy/beam ! Clean residual mean=-0.000011 rms=0.000744 Jy/beam ! Combined flux in latest and established models = 0.707555 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 0.707555 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=8.165 mas, bmaj=17.51 mas, bpa=-0.3296 degrees ! Estimated noise=626.779 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000313299 Jy ! Component: 100 - total flux cleaned = 0.00036724 Jy ! Component: 150 - total flux cleaned = 0.000408267 Jy ! Component: 200 - total flux cleaned = 0.000444049 Jy ! Total flux subtracted in 200 components = 0.000444049 Jy ! Clean residual min=-0.003272 max=0.002877 Jy/beam ! Clean residual mean=-0.000033 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.707999 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 = 5.8746e-05 Jy ! Component: 100 - total flux cleaned = 8.49368e-05 Jy ! Component: 150 - total flux cleaned = 0.00010781 Jy ! Component: 200 - total flux cleaned = 0.000107676 Jy ! Total flux subtracted in 200 components = 0.000107676 Jy ! Clean residual min=-0.003291 max=0.002791 Jy/beam ! Clean residual mean=-0.000037 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 0.708107 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 111 components and 0.708107 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.14 mas, bmaj=7.031 mas, bpa=-5.265 degrees ! Estimated noise=503.128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000101503 Jy ! Component: 100 - total flux cleaned = -0.000235909 Jy ! Component: 150 - total flux cleaned = -0.000275482 Jy ! Component: 200 - total flux cleaned = -0.000276306 Jy ! Total flux subtracted in 200 components = -0.000276306 Jy ! Clean residual min=-0.002869 max=0.002630 Jy/beam ! Clean residual mean=-0.000015 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.70783 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 124 components and 0.70783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.169976Jy sigma=0.001137 ! Fit after self-cal, rms=1.170003Jy sigma=0.001137 wmodel J1700-2610_S_2008_04_02_pus_map.mod ! Writing 124 model components to file: J1700-2610_S_2008_04_02_pus_map.mod wobs J1700-2610_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1700-2610_S_2008_04_02_pus_uvs.fits wwins J1700-2610_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J1700-2610_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 = 4.19613e-05 Jy ! Component: 100 - total flux cleaned = 0.000304996 Jy ! Component: 150 - total flux cleaned = 0.000509987 Jy ! Component: 200 - total flux cleaned = 0.000626823 Jy ! Component: 250 - total flux cleaned = 0.000739615 Jy ! Component: 300 - total flux cleaned = 0.000811468 Jy ! Component: 350 - total flux cleaned = 0.000776756 Jy ! Component: 400 - total flux cleaned = 0.000743967 Jy ! Component: 450 - total flux cleaned = 0.000809151 Jy ! Component: 500 - total flux cleaned = 0.000808633 Jy ! Component: 550 - total flux cleaned = 0.000777177 Jy ! Component: 600 - total flux cleaned = 0.000776535 Jy ! Component: 650 - total flux cleaned = 0.000687518 Jy ! Component: 700 - total flux cleaned = 0.000601085 Jy ! Component: 750 - total flux cleaned = 0.000544904 Jy ! Component: 800 - total flux cleaned = 0.000517599 Jy ! Component: 850 - total flux cleaned = 0.000490492 Jy ! Component: 900 - total flux cleaned = 0.000410437 Jy ! Component: 950 - total flux cleaned = 0.000436244 Jy ! Component: 1000 - total flux cleaned = 0.00038489 Jy ! Component: 1050 - total flux cleaned = 0.000410031 Jy ! Component: 1100 - total flux cleaned = 0.000409546 Jy ! Component: 1150 - total flux cleaned = 0.000384807 Jy ! Component: 1200 - total flux cleaned = 0.000337004 Jy ! Component: 1250 - total flux cleaned = 0.000361173 Jy ! Component: 1300 - total flux cleaned = 0.000384866 Jy ! Component: 1350 - total flux cleaned = 0.000454041 Jy ! Component: 1400 - total flux cleaned = 0.000453578 Jy ! Component: 1450 - total flux cleaned = 0.000430718 Jy ! Component: 1500 - total flux cleaned = 0.000431021 Jy ! Component: 1550 - total flux cleaned = 0.000518777 Jy ! Component: 1600 - total flux cleaned = 0.000583752 Jy ! Component: 1650 - total flux cleaned = 0.000648163 Jy ! Component: 1700 - total flux cleaned = 0.000669481 Jy ! Component: 1750 - total flux cleaned = 0.000795249 Jy ! Component: 1800 - total flux cleaned = 0.000857499 Jy ! Component: 1850 - total flux cleaned = 0.000898744 Jy ! Component: 1900 - total flux cleaned = 0.000959246 Jy ! Component: 1950 - total flux cleaned = 0.000959249 Jy ! Component: 2000 - total flux cleaned = 0.000999058 Jy ! Total flux subtracted in 2048 components = 0.000998923 Jy ! Clean residual min=-0.001097 max=0.001106 Jy/beam ! Clean residual mean=0.000021 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.708829 Jy keep ! Adding 130 model components to the UV plane model. ! The established model now contains 254 components and 0.708829 Jy wmap "J1700-2610_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.14 x 7.031 at -5.265 degrees (North through East) ! Clean map min=-0.0019994 max=0.54681 Jy/beam ! Writing clean map to FITS file: J1700-2610_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 0.546807 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000393679 device "J1700-2610_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1700-2610_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.215988 0.215988 0.431976 0.863952 1.7279 3.45581 6.91162 13.8232 27.6465 55.2929 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.546 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.14 x 7.031 at -5.265 degrees (North through East) ! Clean map min=-0.0019994 max=0.54681 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1700-2610_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1700-2610_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1700-2610_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:42:55 2010