! Started logfile: J1842+6809_S_2010_10_13_pus_uvs.log on Mon Feb 28 00:04:12 2011 obs J1842+6809_S_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1842+6809_S_2010_10_13_pus_uva.fits ! AN table 1: 16 integrations on 105 of 105 possible baselines. ! AN table 2: 53 integrations on 105 of 105 possible baselines. ! AN table 3: 24 integrations on 105 of 105 possible baselines. ! AN table 4: 38 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.288259 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1842+6809 ! ! 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 2.23696e+09 8e+06 1 8e+06 ! 02 2 2.26696e+09 8e+06 1 8e+06 ! 03 3 2.35696e+09 8e+06 1 8e+06 ! 04 4 2.37696e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3545 lines of history. ! ! Reading 15860 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 ![@muppet J1842+6809_S_2010_10_13_pus] 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 116 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! A total of 315 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 116 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! A total of 315 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 116 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! A total of 315 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 116 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! A total of 315 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.637084Jy sigma=0.007630 ! Fit after self-cal, rms=0.625026Jy sigma=0.007509 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.812 mas, bmaj=2.503 mas, bpa=-27.31 degrees ! Estimated noise=805.354 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 = 0.280048 Jy ! Component: 100 - total flux cleaned = 0.357006 Jy ! Total flux subtracted in 100 components = 0.357006 Jy ! Clean residual min=-0.010659 max=0.034993 Jy/beam ! Clean residual mean=0.000085 rms=0.003328 Jy/beam ! Combined flux in latest and established models = 0.357006 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.357006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162123Jy sigma=0.001701 ! Fit after self-cal, rms=0.161998Jy sigma=0.001700 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.038642 Jy ! Component: 100 - total flux cleaned = 0.059579 Jy ! Total flux subtracted in 100 components = 0.059579 Jy ! Clean residual min=-0.009441 max=0.015572 Jy/beam ! Clean residual mean=-0.000002 rms=0.002476 Jy/beam ! Combined flux in latest and established models = 0.416585 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.416585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148815Jy sigma=0.001527 ! Fit after self-cal, rms=0.148672Jy sigma=0.001526 ! Inverting map ! Added new window around map position (-1, -3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0157421 Jy ! Component: 100 - total flux cleaned = 0.0257896 Jy ! Total flux subtracted in 100 components = 0.0257896 Jy ! Clean residual min=-0.009884 max=0.011967 Jy/beam ! Clean residual mean=-0.000039 rms=0.002284 Jy/beam ! Combined flux in latest and established models = 0.442375 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 15 components and 0.442375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146137Jy sigma=0.001492 ! Fit after self-cal, rms=0.146073Jy sigma=0.001491 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.285 mas, bmaj=2.902 mas, bpa=-33.86 degrees ! Estimated noise=498.876 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, -11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171278 Jy ! Component: 100 - total flux cleaned = 0.0270288 Jy ! Component: 150 - total flux cleaned = 0.0322296 Jy ! Component: 200 - total flux cleaned = 0.0345507 Jy ! Total flux subtracted in 200 components = 0.0345507 Jy ! Clean residual min=-0.006151 max=0.008199 Jy/beam ! Clean residual mean=-0.000870 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 0.476925 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 36 components and 0.476925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143905Jy sigma=0.001464 ! Fit after self-cal, rms=0.143635Jy sigma=0.001461 ! Inverting map ! Added new window around map position (4.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00927309 Jy ! Component: 100 - total flux cleaned = 0.0118256 Jy ! Component: 150 - total flux cleaned = 0.012588 Jy ! Component: 200 - total flux cleaned = 0.0129279 Jy ! Total flux subtracted in 200 components = 0.0129279 Jy ! Clean residual min=-0.005978 max=0.004835 Jy/beam ! Clean residual mean=-0.001036 rms=0.001279 Jy/beam ! Combined flux in latest and established models = 0.489853 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 57 components and 0.489853 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142827Jy sigma=0.001452 ! Fit after self-cal, rms=0.142751Jy sigma=0.001451 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HH 1.00* HN 1.03 ! KB 1.09 KK 1.00* KP 0.94 LA 1.00* ! MK 1.00* NL 0.97 NY 1.00* OV 1.00* ! PT 0.95 SC 1.05 TS 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.02 HH 1.00* HN 1.07 ! KB 1.25 KK 0.96 KP 0.97 LA 1.03 ! MK 1.00* NL 0.98 NY 0.96 OV 0.97 ! PT 0.98 SC 1.03 TS 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 HH 1.00* HN 1.00* ! KB 0.81 KK 0.94 KP 0.93 LA 1.05 ! MK 0.97 NL 1.00* NY 1.00* OV 0.96 ! PT 1.02 SC 1.00* TS 0.95 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.01 HH 1.00* HN 1.00* ! KB 1.12 KK 1.03 KP 0.94 LA 0.97 ! MK 0.99 NL 0.98 NY 1.00* OV 0.96 ! PT 0.93 SC 1.00* TS 0.86 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HH 1.00* HN 1.07 ! KB 1.09 KK 1.00* KP 1.00 LA 1.00* ! MK 1.00* NL 0.99 NY 1.00* OV 1.00* ! PT 0.96 SC 1.01 TS 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 HH 1.00* HN 1.05 ! KB 1.32 KK 0.95 KP 0.98 LA 0.99 ! MK 1.00* NL 1.00 NY 1.01 OV 1.00 ! PT 1.01 SC 1.07 TS 0.92 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.03 HH 1.00* HN 1.00* ! KB 0.83 KK 0.89 KP 1.00 LA 0.98 ! MK 0.99 NL 1.00* NY 1.00* OV 1.03 ! PT 1.01 SC 1.00* TS 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 1.00 HH 1.00* HN 1.00* ! KB 1.16 KK 0.98 KP 0.97 LA 0.98 ! MK 0.98 NL 1.05 NY 1.00* OV 1.01 ! PT 0.98 SC 1.00* TS 0.85 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HH 1.00* HN 1.07 ! KB 1.14 KK 1.00* KP 1.01 LA 1.00* ! MK 1.00* NL 1.07 NY 1.00* OV 1.00* ! PT 0.95 SC 1.03 TS 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 HH 1.00* HN 1.09 ! KB 1.33 KK 0.91 KP 1.00 LA 1.01 ! MK 1.00* NL 1.01 NY 1.02 OV 1.02 ! PT 1.01 SC 1.09 TS 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.00 HH 1.00* HN 1.00* ! KB 0.85 KK 1.02 KP 1.01 LA 1.01 ! MK 0.97 NL 1.00* NY 1.00* OV 1.00 ! PT 1.00 SC 1.00* TS 0.97 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 1.01 HH 1.00* HN 1.00* ! KB 1.18 KK 0.98 KP 0.98 LA 0.96 ! MK 0.96 NL 1.07 NY 1.00* OV 1.01 ! PT 0.98 SC 1.00* TS 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.03 HH 1.00* HN 1.00 ! KB 1.09 KK 1.00* KP 0.95 LA 1.00* ! MK 1.00* NL 1.04 NY 1.00* OV 1.00* ! PT 1.04 SC 1.10 TS 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.01 HH 1.00* HN 1.09 ! KB 1.29 KK 0.94 KP 1.00 LA 1.00 ! MK 1.00* NL 0.98 NY 1.00 OV 1.01 ! PT 1.01 SC 1.14 TS 1.18 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.00 HH 1.00* HN 1.00* ! KB 0.90 KK 1.07 KP 0.97 LA 0.99 ! MK 1.03 NL 1.00* NY 1.00* OV 1.00 ! PT 0.99 SC 1.00* TS 1.10 ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.92 FD 0.97 HH 1.00* HN 1.00* ! KB 1.21 KK 1.04 KP 0.99 LA 0.99 ! MK 0.98 NL 1.04 NY 1.00* OV 0.99 ! PT 0.98 SC 1.00* TS 1.08 ! ! ! Fit before self-cal, rms=0.142751Jy sigma=0.001451 ! Fit after self-cal, rms=0.143870Jy sigma=0.001369 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.314 mas, bmaj=2.981 mas, bpa=-34.33 degrees ! Estimated noise=505.841 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 = -0.00336434 Jy ! Component: 100 - total flux cleaned = -0.00315721 Jy ! Component: 150 - total flux cleaned = -0.00298822 Jy ! Component: 200 - total flux cleaned = -0.00269655 Jy ! Total flux subtracted in 200 components = -0.00269655 Jy ! Clean residual min=-0.005150 max=0.003560 Jy/beam ! Clean residual mean=-0.000501 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 0.487157 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 71 components and 0.487157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143355Jy sigma=0.001363 ! Fit after self-cal, rms=0.143275Jy sigma=0.001362 ! 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=0.143275Jy sigma=0.001362 ! Fit after self-cal, rms=0.139902Jy sigma=0.001344 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.327 mas, bmaj=2.938 mas, bpa=-34.98 degrees ! Estimated noise=503.442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000719762 Jy ! Component: 100 - total flux cleaned = 0.000943455 Jy ! Component: 150 - total flux cleaned = 0.00113484 Jy ! Component: 200 - total flux cleaned = 0.00130101 Jy ! Total flux subtracted in 200 components = 0.00130101 Jy ! Clean residual min=-0.002940 max=0.002689 Jy/beam ! Clean residual mean=-0.000171 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.488458 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 84 components and 0.488458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139751Jy sigma=0.001342 ! Fit after self-cal, rms=0.139742Jy sigma=0.001342 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 = 0.000536317 Jy ! Component: 100 - total flux cleaned = 0.000612683 Jy ! Component: 150 - total flux cleaned = 0.000817375 Jy ! Component: 200 - total flux cleaned = 0.000942229 Jy ! Total flux subtracted in 200 components = 0.000942229 Jy ! Clean residual min=-0.002880 max=0.002561 Jy/beam ! Clean residual mean=-0.000183 rms=0.000666 Jy/beam ! Combined flux in latest and established models = 0.4894 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 96 components and 0.4894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139676Jy sigma=0.001341 ! Fit after self-cal, rms=0.139669Jy sigma=0.001341 ! 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=0.139669Jy sigma=0.001341 ! Fit after self-cal, rms=0.139430Jy sigma=0.001341 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.333 mas, bmaj=2.937 mas, bpa=-35.25 degrees ! Estimated noise=503.006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000446541 Jy ! Component: 100 - total flux cleaned = -0.000378929 Jy ! Component: 150 - total flux cleaned = -0.000186153 Jy ! Component: 200 - total flux cleaned = -6.94729e-05 Jy ! Total flux subtracted in 200 components = -6.94729e-05 Jy ! Clean residual min=-0.002780 max=0.002441 Jy/beam ! Clean residual mean=-0.000152 rms=0.000650 Jy/beam ! Combined flux in latest and established models = 0.489331 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 99 components and 0.489331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139364Jy sigma=0.001340 ! Fit after self-cal, rms=0.139353Jy sigma=0.001340 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 = 0.000189986 Jy ! Component: 100 - total flux cleaned = 0.000353666 Jy ! Component: 150 - total flux cleaned = 0.000403086 Jy ! Component: 200 - total flux cleaned = 0.000451183 Jy ! Total flux subtracted in 200 components = 0.000451183 Jy ! Clean residual min=-0.002746 max=0.002381 Jy/beam ! Clean residual mean=-0.000157 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.489782 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 104 components and 0.489782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139316Jy sigma=0.001339 ! Fit after self-cal, rms=0.139311Jy sigma=0.001339 ! 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=0.139311Jy sigma=0.001339 ! Fit after self-cal, rms=0.139225Jy sigma=0.001339 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.36 mas, bmaj=11.16 mas, bpa=-87.18 degrees ! Estimated noise=729.245 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000356642 Jy ! Component: 100 - total flux cleaned = 0.000542287 Jy ! Component: 150 - total flux cleaned = 0.000542279 Jy ! Component: 200 - total flux cleaned = 0.000541853 Jy ! Total flux subtracted in 200 components = 0.000541853 Jy ! Clean residual min=-0.003359 max=0.002226 Jy/beam ! Clean residual mean=-0.000394 rms=0.000842 Jy/beam ! Combined flux in latest and established models = 0.490324 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 116 components and 0.490324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139222Jy sigma=0.001339 ! Fit after self-cal, rms=0.139208Jy sigma=0.001339 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 = 0.000168769 Jy ! Component: 100 - total flux cleaned = 0.000200055 Jy ! Component: 150 - total flux cleaned = 0.000175517 Jy ! Component: 200 - total flux cleaned = 0.000154054 Jy ! Total flux subtracted in 200 components = 0.000154054 Jy ! Clean residual min=-0.003335 max=0.002243 Jy/beam ! Clean residual mean=-0.000400 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.490478 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 118 components and 0.490478 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139210Jy sigma=0.001339 ! Fit after self-cal, rms=0.139205Jy sigma=0.001339 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.339 mas, bmaj=2.937 mas, bpa=-35.48 degrees ! Estimated noise=502.77 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.339 x 2.937 at -35.48 degrees (North through East) ! Clean map min=-0.0023881 max=0.37665 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 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.853 mas, bmaj=2.517 mas, bpa=-28.42 degrees ! Estimated noise=816.527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.283306 Jy ! Component: 100 - total flux cleaned = 0.355637 Jy ! Component: 150 - total flux cleaned = 0.390408 Jy ! Component: 200 - total flux cleaned = 0.409987 Jy ! Total flux subtracted in 200 components = 0.409987 Jy ! Clean residual min=-0.005345 max=0.010962 Jy/beam ! Clean residual mean=0.000109 rms=0.001599 Jy/beam ! Combined flux in latest and established models = 0.409986 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.409986 Jy ! Inverting map and beam ! Estimated beam: bmin=2.339 mas, bmaj=2.937 mas, bpa=-35.48 degrees ! Estimated noise=502.77 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 = 0.0264882 Jy ! Component: 100 - total flux cleaned = 0.0432168 Jy ! Component: 150 - total flux cleaned = 0.0544189 Jy ! Component: 200 - total flux cleaned = 0.0621732 Jy ! Total flux subtracted in 200 components = 0.0621732 Jy ! Clean residual min=-0.002766 max=0.004777 Jy/beam ! Clean residual mean=0.000065 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 0.47216 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 67 components and 0.47216 Jy ! Inverting map ! Added new window around map position (5.5, -16.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00563111 Jy ! Component: 100 - total flux cleaned = 0.00971957 Jy ! Component: 150 - total flux cleaned = 0.0127538 Jy ! Component: 200 - total flux cleaned = 0.0150361 Jy ! Total flux subtracted in 200 components = 0.0150361 Jy ! Clean residual min=-0.002532 max=0.002155 Jy/beam ! Clean residual mean=-0.000106 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.487196 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 91 components and 0.487196 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=10.36 mas, bmaj=11.16 mas, bpa=-87.18 degrees ! Estimated noise=729.245 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00260769 Jy ! Component: 100 - total flux cleaned = 0.00345688 Jy ! Component: 150 - total flux cleaned = 0.00367312 Jy ! Component: 200 - total flux cleaned = 0.00379077 Jy ! Total flux subtracted in 200 components = 0.00379077 Jy ! Clean residual min=-0.003276 max=0.002249 Jy/beam ! Clean residual mean=-0.000420 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 0.490987 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 = 5.06862e-05 Jy ! Component: 100 - total flux cleaned = 0.000115357 Jy ! Component: 150 - total flux cleaned = 0.000152938 Jy ! Component: 200 - total flux cleaned = 0.000186223 Jy ! Total flux subtracted in 200 components = 0.000186223 Jy ! Clean residual min=-0.003248 max=0.002266 Jy/beam ! Clean residual mean=-0.000426 rms=0.000819 Jy/beam ! Combined flux in latest and established models = 0.491173 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 140 components and 0.491173 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.339 mas, bmaj=2.937 mas, bpa=-35.48 degrees ! Estimated noise=502.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000392934 Jy ! Component: 100 - total flux cleaned = -0.000294665 Jy ! Component: 150 - total flux cleaned = -0.000296931 Jy ! Component: 200 - total flux cleaned = -0.00029707 Jy ! Total flux subtracted in 200 components = -0.00029707 Jy ! Clean residual min=-0.002431 max=0.002061 Jy/beam ! Clean residual mean=-0.000148 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.490876 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 155 components and 0.490876 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139096Jy sigma=0.001337 ! Fit after self-cal, rms=0.139076Jy sigma=0.001337 wmodel J1842+6809_S_2010_10_13_pus_map.mod ! Writing 155 model components to file: J1842+6809_S_2010_10_13_pus_map.mod wobs J1842+6809_S_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1842+6809_S_2010_10_13_pus_uvs.fits wwins J1842+6809_S_2010_10_13_pus_map.win ! wwins: Wrote 5 windows to J1842+6809_S_2010_10_13_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 = -0.00113299 Jy ! Component: 100 - total flux cleaned = -0.00209066 Jy ! Component: 150 - total flux cleaned = -0.00268496 Jy ! Component: 200 - total flux cleaned = -0.00322093 Jy ! Component: 250 - total flux cleaned = -0.00363111 Jy ! Component: 300 - total flux cleaned = -0.00403166 Jy ! Component: 350 - total flux cleaned = -0.00428141 Jy ! Component: 400 - total flux cleaned = -0.00463076 Jy ! Component: 450 - total flux cleaned = -0.00483648 Jy ! Component: 500 - total flux cleaned = -0.00514038 Jy ! Component: 550 - total flux cleaned = -0.00540558 Jy ! Component: 600 - total flux cleaned = -0.00560168 Jy ! Component: 650 - total flux cleaned = -0.00576291 Jy ! Component: 700 - total flux cleaned = -0.0059545 Jy ! Component: 750 - total flux cleaned = -0.00611207 Jy ! Component: 800 - total flux cleaned = -0.0062372 Jy ! Component: 850 - total flux cleaned = -0.00645307 Jy ! Component: 900 - total flux cleaned = -0.00663563 Jy ! Component: 950 - total flux cleaned = -0.0067557 Jy ! Component: 1000 - total flux cleaned = -0.00687496 Jy ! Component: 1050 - total flux cleaned = -0.00702241 Jy ! Component: 1100 - total flux cleaned = -0.00711014 Jy ! Component: 1150 - total flux cleaned = -0.00725521 Jy ! Component: 1200 - total flux cleaned = -0.00737001 Jy ! Component: 1250 - total flux cleaned = -0.0075688 Jy ! Component: 1300 - total flux cleaned = -0.00762511 Jy ! Component: 1350 - total flux cleaned = -0.0078481 Jy ! Component: 1400 - total flux cleaned = -0.00790304 Jy ! Component: 1450 - total flux cleaned = -0.00798543 Jy ! Component: 1500 - total flux cleaned = -0.00809433 Jy ! Component: 1550 - total flux cleaned = -0.00822919 Jy ! Component: 1600 - total flux cleaned = -0.00833615 Jy ! Component: 1650 - total flux cleaned = -0.00836283 Jy ! Component: 1700 - total flux cleaned = -0.00849456 Jy ! Component: 1750 - total flux cleaned = -0.00859893 Jy ! Component: 1800 - total flux cleaned = -0.00862493 Jy ! Component: 1850 - total flux cleaned = -0.0087281 Jy ! Component: 1900 - total flux cleaned = -0.00883051 Jy ! Component: 1950 - total flux cleaned = -0.00890656 Jy ! Component: 2000 - total flux cleaned = -0.00900742 Jy ! Total flux subtracted in 2048 components = -0.00903255 Jy ! Clean residual min=-0.001506 max=0.001443 Jy/beam ! Clean residual mean=-0.000047 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.481843 Jy keep ! Adding 161 model components to the UV plane model. ! The established model now contains 316 components and 0.481843 Jy ![Exited script file: muppet] wmap "J1842+6809_S_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.339 x 2.937 at -35.48 degrees (North through East) ! Clean map min=-0.0019144 max=0.37793 Jy/beam ! Writing clean map to FITS file: J1842+6809_S_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.377932 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000461658 device "J1842+6809_S_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1842+6809_S_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.366462 0.366462 0.732923 1.46585 2.93169 5.86338 11.7268 23.4535 46.9071 93.8141 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.377 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.339 x 2.937 at -35.48 degrees (North through East) ! Clean map min=-0.0019144 max=0.37793 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1842+6809_S_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1842+6809_S_2010_10_13_pus_map.gif/vgif' mapplot cln