! Started logfile: J0501-0159_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:45:19 2010 obs J0501-0159_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_2008_04_02_pus_uva.fits ! AN table 1: 136 integrations on 120 of 120 possible baselines. ! AN table 2: 197 integrations on 120 of 120 possible baselines. ! AN table 3: 15 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0795259 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 13284 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1606 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.642645Jy sigma=0.005136 ! Fit after self-cal, rms=0.395567Jy sigma=0.002973 ! 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=0.8336 mas, bmaj=1.127 mas, bpa=-16.98 degrees ! Estimated noise=1270.93 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 = 0.527442 Jy ! Component: 100 - total flux cleaned = 0.642798 Jy ! Total flux subtracted in 100 components = 0.642798 Jy ! Clean residual min=-0.013093 max=0.033874 Jy/beam ! Clean residual mean=0.000023 rms=0.004114 Jy/beam ! Combined flux in latest and established models = 0.642798 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.642798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211436Jy sigma=0.001359 ! Fit after self-cal, rms=0.211535Jy sigma=0.001359 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302888 Jy ! Component: 100 - total flux cleaned = 0.0445623 Jy ! Total flux subtracted in 100 components = 0.0445623 Jy ! Clean residual min=-0.011508 max=0.015504 Jy/beam ! Clean residual mean=0.000034 rms=0.003065 Jy/beam ! Combined flux in latest and established models = 0.68736 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.68736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208257Jy sigma=0.001288 ! Fit after self-cal, rms=0.208530Jy sigma=0.001288 ! 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=1.114 mas, bmaj=1.319 mas, bpa=65.86 degrees ! Estimated noise=765.592 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 = 0.0119101 Jy ! Component: 100 - total flux cleaned = 0.0160768 Jy ! Component: 150 - total flux cleaned = 0.0166495 Jy ! Component: 200 - total flux cleaned = 0.0171455 Jy ! Total flux subtracted in 200 components = 0.0171455 Jy ! Clean residual min=-0.017309 max=0.026080 Jy/beam ! Clean residual mean=-0.000012 rms=0.005394 Jy/beam ! Combined flux in latest and established models = 0.704506 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 21 components and 0.704506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208133Jy sigma=0.001278 ! Fit after self-cal, rms=0.208146Jy sigma=0.001278 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HH 0.91 HN 1.03 ! KK 1.00* KP 1.00 LA 0.95 MK 1.00* ! NL 0.99 NY 1.00* ON 1.14 OV 1.04 ! PT 0.92 SC 0.99 WZ 1.07 ZC 1.21 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.05 HH 0.97 HN 1.00* ! KK 0.97 KP 1.01 LA 0.96 MK 0.98 ! NL 1.00* NY 1.00* ON 1.06 OV 1.08 ! PT 0.95 SC 1.00* WZ 0.98 ZC 1.15 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.05 HH 1.00* HN 1.00* ! KK 0.98 KP 0.98 LA 0.98 MK 1.02 ! NL 1.01 NY 1.00* ON 1.00* OV 1.06 ! PT 0.95 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 276 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HH 1.00* HN 1.00 ! KK 1.00* KP 0.95 LA 0.94 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.01 ! PT 0.93 SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.04 HH 0.87 HN 1.00* ! KK 0.93 KP 0.95 LA 0.96 MK 0.97 ! NL 1.00* NY 1.00* ON 1.04 OV 1.05 ! PT 0.95 SC 1.00* WZ 1.05 ZC 1.21 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.02 HH 1.00* HN 1.00* ! KK 0.99 KP 0.94 LA 0.98 MK 0.99 ! NL 0.99 NY 1.00* ON 1.00* OV 1.02 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 0.93 HN 1.01 ! KK 1.00* KP 0.98 LA 0.96 MK 1.00* ! NL 1.00 NY 1.00* ON 1.07 OV 1.03 ! PT 0.94 SC 1.00 WZ 1.05 ZC 1.19 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.06 HH 0.93 HN 1.00* ! KK 1.02 KP 0.99 LA 0.97 MK 1.00 ! NL 1.00* NY 1.00* ON 1.04 OV 1.08 ! PT 0.96 SC 1.00* WZ 1.06 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.08 HH 1.00* HN 1.00* ! KK 1.04 KP 0.98 LA 1.01 MK 1.01 ! NL 1.00 NY 1.00* ON 1.00* OV 1.07 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HH 0.99 HN 1.01 ! KK 1.00* KP 0.99 LA 0.95 MK 1.00* ! NL 1.03 NY 1.00* ON 1.04 OV 1.03 ! PT 0.93 SC 1.00 WZ 1.01 ZC 1.29 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.07 HH 1.00 HN 1.00* ! KK 0.99 KP 0.99 LA 0.97 MK 1.01 ! NL 1.00* NY 1.00* ON 1.02 OV 1.06 ! PT 0.94 SC 1.00* WZ 1.03 ZC 1.23 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HH 1.00* HN 1.00* ! KK 0.99 KP 0.95 LA 0.99 MK 1.06 ! NL 1.01 NY 1.00* ON 1.00* OV 1.06 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.208146Jy sigma=0.001278 ! Fit after self-cal, rms=0.207552Jy sigma=0.001223 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=1.345 mas, bpa=58.08 degrees ! Estimated noise=769.922 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 (-4.2, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0166277 Jy ! Component: 100 - total flux cleaned = 0.025061 Jy ! Component: 150 - total flux cleaned = 0.029658 Jy ! Component: 200 - total flux cleaned = 0.0309926 Jy ! Total flux subtracted in 200 components = 0.0309926 Jy ! Clean residual min=-0.006008 max=0.008321 Jy/beam ! Clean residual mean=0.000006 rms=0.001851 Jy/beam ! Combined flux in latest and established models = 0.735499 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 47 components and 0.735499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206517Jy sigma=0.001204 ! Fit after self-cal, rms=0.206365Jy sigma=0.001202 ! 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=0.206365Jy sigma=0.001202 ! Fit after self-cal, rms=0.205904Jy sigma=0.001196 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.157 mas, bmaj=1.344 mas, bpa=58.02 degrees ! Estimated noise=767.804 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00725552 Jy ! Component: 100 - total flux cleaned = 0.0111559 Jy ! Component: 150 - total flux cleaned = 0.0123256 Jy ! Component: 200 - total flux cleaned = 0.0128917 Jy ! Total flux subtracted in 200 components = 0.0128917 Jy ! Clean residual min=-0.005080 max=0.005816 Jy/beam ! Clean residual mean=0.000008 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 0.74839 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 61 components and 0.74839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205680Jy sigma=0.001192 ! Fit after self-cal, rms=0.205772Jy sigma=0.001191 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 (24.8, 20.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00493814 Jy ! Component: 100 - total flux cleaned = 0.00749957 Jy ! Component: 150 - total flux cleaned = 0.00869987 Jy ! Component: 200 - total flux cleaned = 0.00951779 Jy ! Total flux subtracted in 200 components = 0.00951779 Jy ! Clean residual min=-0.003775 max=0.005233 Jy/beam ! Clean residual mean=0.000008 rms=0.001088 Jy/beam ! Combined flux in latest and established models = 0.757908 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 75 components and 0.757908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205632Jy sigma=0.001190 ! Fit after self-cal, rms=0.205631Jy sigma=0.001189 ! Inverting map ! Added new window around map position (17.6, 13.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00425032 Jy ! Component: 100 - total flux cleaned = 0.00588399 Jy ! Component: 150 - total flux cleaned = 0.00698626 Jy ! Component: 200 - total flux cleaned = 0.00762823 Jy ! Total flux subtracted in 200 components = 0.00762823 Jy ! Clean residual min=-0.003239 max=0.003628 Jy/beam ! Clean residual mean=0.000014 rms=0.000958 Jy/beam ! Combined flux in latest and established models = 0.765536 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 89 components and 0.765536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205518Jy sigma=0.001188 ! Fit after self-cal, rms=0.205527Jy sigma=0.001188 ! 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=0.205527Jy sigma=0.001188 ! Fit after self-cal, rms=0.206215Jy sigma=0.001187 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=1.345 mas, bpa=57.75 degrees ! Estimated noise=767.271 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00275619 Jy ! Component: 100 - total flux cleaned = 0.00461313 Jy ! Component: 150 - total flux cleaned = 0.00551947 Jy ! Component: 200 - total flux cleaned = 0.00603713 Jy ! Total flux subtracted in 200 components = 0.00603713 Jy ! Clean residual min=-0.003387 max=0.003290 Jy/beam ! Clean residual mean=0.000011 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.771573 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 106 components and 0.771573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206161Jy sigma=0.001187 ! Fit after self-cal, rms=0.206209Jy sigma=0.001187 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 = 0.000645848 Jy ! Component: 100 - total flux cleaned = 0.000933554 Jy ! Component: 150 - total flux cleaned = 0.00115516 Jy ! Component: 200 - total flux cleaned = 0.00128123 Jy ! Total flux subtracted in 200 components = 0.00128123 Jy ! Clean residual min=-0.003264 max=0.003289 Jy/beam ! Clean residual mean=0.000012 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.772855 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 114 components and 0.772855 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206185Jy sigma=0.001186 ! Fit after self-cal, rms=0.206182Jy sigma=0.001186 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.206182Jy sigma=0.001186 ! Fit after self-cal, rms=0.206349Jy sigma=0.001186 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.598 mas, bmaj=3.926 mas, bpa=15.71 degrees ! Estimated noise=845.141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00167415 Jy ! Component: 100 - total flux cleaned = 0.00222917 Jy ! Component: 150 - total flux cleaned = 0.00263823 Jy ! Component: 200 - total flux cleaned = 0.00266141 Jy ! Total flux subtracted in 200 components = 0.00266141 Jy ! Clean residual min=-0.002655 max=0.002685 Jy/beam ! Clean residual mean=0.000018 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.775516 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 134 components and 0.775516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206338Jy sigma=0.001186 ! Fit after self-cal, rms=0.206357Jy sigma=0.001186 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 = 0.000585879 Jy ! Component: 100 - total flux cleaned = 0.000633025 Jy ! Component: 150 - total flux cleaned = 0.000633935 Jy ! Component: 200 - total flux cleaned = 0.000695186 Jy ! Total flux subtracted in 200 components = 0.000695186 Jy ! Clean residual min=-0.002509 max=0.002570 Jy/beam ! Clean residual mean=0.000019 rms=0.000845 Jy/beam ! Combined flux in latest and established models = 0.776211 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 137 components and 0.776211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206352Jy sigma=0.001186 ! Fit after self-cal, rms=0.206347Jy sigma=0.001186 ! 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=1.158 mas, bmaj=1.345 mas, bpa=57.67 degrees ! Estimated noise=767.087 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.158 x 1.345 at 57.67 degrees (North through East) ! Clean map min=-0.0028294 max=0.6696 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=0.206347Jy sigma=0.001186 ! Fit after self-cal, rms=0.329517Jy sigma=0.001012 ! Inverting map and beam ! Estimated beam: bmin=1.159 mas, bmaj=1.345 mas, bpa=57.53 degrees ! Estimated noise=767.511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000358937 Jy ! Component: 100 - total flux cleaned = -0.00021675 Jy ! Component: 150 - total flux cleaned = -4.70995e-05 Jy ! Component: 200 - total flux cleaned = 0.000110424 Jy ! Total flux subtracted in 200 components = 0.000110424 Jy ! Clean residual min=-0.003449 max=0.003092 Jy/beam ! Clean residual mean=0.000014 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.776322 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 147 components and 0.776322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329508Jy sigma=0.001012 ! Fit after self-cal, rms=0.329536Jy sigma=0.001012 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.33322e-05 Jy ! Component: 100 - total flux cleaned = 4.90631e-05 Jy ! Component: 150 - total flux cleaned = 0.000154461 Jy ! Component: 200 - total flux cleaned = 0.000223976 Jy ! Total flux subtracted in 200 components = 0.000223976 Jy ! Clean residual min=-0.003344 max=0.003044 Jy/beam ! Clean residual mean=0.000014 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.776546 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 154 components and 0.776546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329528Jy sigma=0.001012 ! Fit after self-cal, rms=0.329532Jy sigma=0.001012 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329532Jy sigma=0.001012 ! Fit after self-cal, rms=0.463550Jy sigma=0.001012 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=0.8386 mas, bmaj=1.129 mas, bpa=-15.26 degrees ! Estimated noise=1333.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.52367 Jy ! Component: 100 - total flux cleaned = 0.638287 Jy ! Component: 150 - total flux cleaned = 0.669277 Jy ! Component: 200 - total flux cleaned = 0.68681 Jy ! Total flux subtracted in 200 components = 0.68681 Jy ! Clean residual min=-0.007963 max=0.010999 Jy/beam ! Clean residual mean=0.000016 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 0.68681 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.68681 Jy ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=1.345 mas, bpa=57.52 degrees ! Estimated noise=767.365 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 = 0.0212234 Jy ! Component: 100 - total flux cleaned = 0.0357876 Jy ! Component: 150 - total flux cleaned = 0.0461738 Jy ! Component: 200 - total flux cleaned = 0.0540141 Jy ! Total flux subtracted in 200 components = 0.0540141 Jy ! Clean residual min=-0.004385 max=0.005436 Jy/beam ! Clean residual mean=-0.000010 rms=0.001580 Jy/beam ! Combined flux in latest and established models = 0.740824 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 57 components and 0.740824 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.596 mas, bmaj=3.926 mas, bpa=15.73 degrees ! Estimated noise=845.589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00897065 Jy ! Component: 100 - total flux cleaned = 0.0149454 Jy ! Component: 150 - total flux cleaned = 0.0193065 Jy ! Component: 200 - total flux cleaned = 0.0227595 Jy ! Total flux subtracted in 200 components = 0.0227595 Jy ! Clean residual min=-0.003550 max=0.004500 Jy/beam ! Clean residual mean=0.000007 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 0.763584 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 = 0.00279866 Jy ! Component: 100 - total flux cleaned = 0.00509783 Jy ! Component: 150 - total flux cleaned = 0.00699435 Jy ! Component: 200 - total flux cleaned = 0.00856076 Jy ! Total flux subtracted in 200 components = 0.00856076 Jy ! Clean residual min=-0.003187 max=0.003887 Jy/beam ! Clean residual mean=0.000013 rms=0.000993 Jy/beam ! Combined flux in latest and established models = 0.772144 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 98 components and 0.772144 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=1.345 mas, bpa=57.52 degrees ! Estimated noise=767.365 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000938307 Jy ! Component: 100 - total flux cleaned = 0.00175632 Jy ! Component: 150 - total flux cleaned = 0.00239494 Jy ! Component: 200 - total flux cleaned = 0.00290067 Jy ! Total flux subtracted in 200 components = 0.00290067 Jy ! Clean residual min=-0.003216 max=0.003091 Jy/beam ! Clean residual mean=0.000013 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.775045 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 119 components and 0.775045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.463485Jy sigma=0.001013 ! Fit after self-cal, rms=0.463472Jy sigma=0.001013 wmodel J0501-0159_X_2008_04_02_pus_map.mod ! Writing 119 model components to file: J0501-0159_X_2008_04_02_pus_map.mod wobs J0501-0159_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_2008_04_02_pus_uvs.fits wwins J0501-0159_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0501-0159_X_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 = -0.000425553 Jy ! Component: 100 - total flux cleaned = -0.000429136 Jy ! Component: 150 - total flux cleaned = -0.000279096 Jy ! Component: 200 - total flux cleaned = -3.94677e-05 Jy ! Component: 250 - total flux cleaned = 9.97758e-05 Jy ! Component: 300 - total flux cleaned = 0.000144973 Jy ! Component: 350 - total flux cleaned = 0.000146318 Jy ! Component: 400 - total flux cleaned = 0.000440064 Jy ! Component: 450 - total flux cleaned = 0.000562073 Jy ! Component: 500 - total flux cleaned = 0.000721744 Jy ! Component: 550 - total flux cleaned = 0.000800326 Jy ! Component: 600 - total flux cleaned = 0.00083938 Jy ! Component: 650 - total flux cleaned = 0.00114095 Jy ! Component: 700 - total flux cleaned = 0.00125107 Jy ! Component: 750 - total flux cleaned = 0.00121471 Jy ! Component: 800 - total flux cleaned = 0.00135844 Jy ! Component: 850 - total flux cleaned = 0.00160408 Jy ! Component: 900 - total flux cleaned = 0.00170779 Jy ! Component: 950 - total flux cleaned = 0.0018443 Jy ! Component: 1000 - total flux cleaned = 0.00201272 Jy ! Component: 1050 - total flux cleaned = 0.00214546 Jy ! Component: 1100 - total flux cleaned = 0.0022433 Jy ! Component: 1150 - total flux cleaned = 0.00227532 Jy ! Component: 1200 - total flux cleaned = 0.00233879 Jy ! Component: 1250 - total flux cleaned = 0.00236993 Jy ! Component: 1300 - total flux cleaned = 0.00249569 Jy ! Component: 1350 - total flux cleaned = 0.00261905 Jy ! Component: 1400 - total flux cleaned = 0.00271026 Jy ! Component: 1450 - total flux cleaned = 0.00274028 Jy ! Component: 1500 - total flux cleaned = 0.00288964 Jy ! Component: 1550 - total flux cleaned = 0.00306662 Jy ! Component: 1600 - total flux cleaned = 0.00309584 Jy ! Component: 1650 - total flux cleaned = 0.00324096 Jy ! Component: 1700 - total flux cleaned = 0.0033556 Jy ! Component: 1750 - total flux cleaned = 0.0034408 Jy ! Component: 1800 - total flux cleaned = 0.003525 Jy ! Component: 1850 - total flux cleaned = 0.00363622 Jy ! Component: 1900 - total flux cleaned = 0.00363595 Jy ! Component: 1950 - total flux cleaned = 0.00369065 Jy ! Component: 2000 - total flux cleaned = 0.00371811 Jy ! Total flux subtracted in 2048 components = 0.00385303 Jy ! Clean residual min=-0.002030 max=0.001957 Jy/beam ! Clean residual mean=0.000006 rms=0.000486 Jy/beam ! Combined flux in latest and established models = 0.778898 Jy keep ! Adding 133 model components to the UV plane model. ! The established model now contains 252 components and 0.778898 Jy wmap "J0501-0159_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.158 x 1.345 at 57.52 degrees (North through East) ! Clean map min=-0.0025338 max=0.67046 Jy/beam ! Writing clean map to FITS file: J0501-0159_X_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 0.670465 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000485203 device "J0501-0159_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.217104 0.217104 0.434209 0.868418 1.73684 3.47367 6.94734 13.8947 27.7894 55.5788 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.67 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.158 x 1.345 at 57.52 degrees (North through East) ! Clean map min=-0.0025338 max=0.67046 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:45:24 2010