! Started logfile: J2002+4725_S_2010_10_13_pus_uvs.log on Mon Feb 28 00:04:46 2011 obs J2002+4725_S_2010_10_13_pus_uva.fits ! Reading UV FITS file: J2002+4725_S_2010_10_13_pus_uva.fits ! AN table 1: 27 integrations on 105 of 105 possible baselines. ! AN table 2: 95 integrations on 105 of 105 possible baselines. ! AN table 3: 65 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.17204 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2002+4725 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23696e+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 13512 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 J2002+4725_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 296 telescope corrections were flagged in sub-array 1. ! A total of 886 telescope corrections were flagged in sub-array 2. ! A total of 660 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 296 telescope corrections were flagged in sub-array 1. ! A total of 886 telescope corrections were flagged in sub-array 2. ! A total of 660 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 296 telescope corrections were flagged in sub-array 1. ! A total of 886 telescope corrections were flagged in sub-array 2. ! A total of 660 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 296 telescope corrections were flagged in sub-array 1. ! A total of 886 telescope corrections were flagged in sub-array 2. ! A total of 660 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.343173Jy sigma=0.003652 ! Fit after self-cal, rms=0.300770Jy sigma=0.003179 ! 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=2.408 mas, bmaj=3.539 mas, bpa=1.381 degrees ! Estimated noise=846.135 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 = 0.56999 Jy ! Component: 100 - total flux cleaned = 0.70267 Jy ! Total flux subtracted in 100 components = 0.70267 Jy ! Clean residual min=-0.013409 max=0.048892 Jy/beam ! Clean residual mean=0.000310 rms=0.004229 Jy/beam ! Combined flux in latest and established models = 0.70267 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.70267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166818Jy sigma=0.001753 ! Fit after self-cal, rms=0.166823Jy sigma=0.001753 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0506102 Jy ! Component: 100 - total flux cleaned = 0.078438 Jy ! Total flux subtracted in 100 components = 0.078438 Jy ! Clean residual min=-0.012137 max=0.015009 Jy/beam ! Clean residual mean=0.000197 rms=0.003015 Jy/beam ! Combined flux in latest and established models = 0.781108 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 24 components and 0.781108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148947Jy sigma=0.001485 ! Fit after self-cal, rms=0.148948Jy sigma=0.001485 ! 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=2.746 mas, bmaj=4.279 mas, bpa=-0.2943 degrees ! Estimated noise=555.508 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 = 0.0197546 Jy ! Component: 100 - total flux cleaned = 0.0279968 Jy ! Component: 150 - total flux cleaned = 0.0289839 Jy ! Component: 200 - total flux cleaned = 0.0291221 Jy ! Total flux subtracted in 200 components = 0.0291221 Jy ! Clean residual min=-0.005641 max=0.008235 Jy/beam ! Clean residual mean=0.000960 rms=0.001528 Jy/beam ! Combined flux in latest and established models = 0.81023 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.81023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146942Jy sigma=0.001452 ! Fit after self-cal, rms=0.146943Jy sigma=0.001452 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 HH 1.00* HN 1.00* ! KB 1.00* KK 1.00* KP 0.99 LA 1.02 ! MK 1.00* NL 0.96 NY 1.00* OV 1.00* ! PT 1.00 SC 0.99 TS 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 HH 1.00* HN 1.04 ! KB 1.00* KK 1.03 KP 0.98 LA 1.03 ! MK 0.99 NL 0.99 NY 1.05 OV 0.97 ! PT 0.99 SC 1.03 TS 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.03 HH 1.00* HN 1.00* ! KB 0.88 KK 0.99 KP 0.96 LA 1.04 ! MK 0.93 NL 1.01 NY 1.00* OV 0.95 ! PT 1.00 SC 1.00* TS 1.02 ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KK 1.00* KP 1.01 LA 1.01 ! MK 1.00* NL 0.99 NY 1.00* OV 1.00* ! PT 1.01 SC 1.02 TS 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.02 HH 1.00* HN 1.05 ! KB 1.00* KK 1.00 KP 0.98 LA 0.99 ! MK 0.98 NL 1.02 NY 1.04 OV 1.04 ! PT 1.01 SC 1.00 TS 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.02 HH 1.00* HN 1.00* ! KB 0.89 KK 1.01 KP 1.00 LA 1.01 ! MK 0.97 NL 1.02 NY 1.00* OV 1.03 ! PT 1.00 SC 1.00* TS 0.99 ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KK 1.00* KP 1.01 LA 1.01 ! MK 1.00* NL 0.96 NY 1.00* OV 1.00* ! PT 1.02 SC 1.02 TS 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 HH 1.00* HN 1.04 ! KB 1.00* KK 0.98 KP 1.01 LA 0.98 ! MK 0.98 NL 1.00 NY 1.05 OV 1.01 ! PT 0.99 SC 0.98 TS 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.02 HH 1.00* HN 1.00* ! KB 0.90 KK 0.96 KP 1.01 LA 0.99 ! MK 0.94 NL 0.99 NY 1.00* OV 1.00 ! PT 1.00 SC 1.00* TS 0.99 ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KK 1.00* KP 0.99 LA 1.00 ! MK 1.00* NL 0.95 NY 1.00* OV 1.00* ! PT 1.02 SC 1.06 TS 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.02 HH 1.00* HN 1.02 ! KB 1.00* KK 0.99 KP 0.98 LA 0.98 ! MK 0.97 NL 0.97 NY 1.04 OV 0.97 ! PT 1.00 SC 1.05 TS 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.98 HH 1.00* HN 1.00* ! KB 0.92 KK 0.95 KP 1.00 LA 0.99 ! MK 0.95 NL 0.98 NY 1.00* OV 0.98 ! PT 1.00 SC 1.00* TS 1.18 ! ! ! Fit before self-cal, rms=0.146943Jy sigma=0.001452 ! Fit after self-cal, rms=0.140543Jy sigma=0.001337 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.785 mas, bmaj=4.323 mas, bpa=-2.437 degrees ! Estimated noise=559.062 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 = 0.00194476 Jy ! Component: 100 - total flux cleaned = 0.00170603 Jy ! Component: 150 - total flux cleaned = 0.00141056 Jy ! Component: 200 - total flux cleaned = 0.00115753 Jy ! Total flux subtracted in 200 components = 0.00115753 Jy ! Clean residual min=-0.003788 max=0.004624 Jy/beam ! Clean residual mean=0.000430 rms=0.000961 Jy/beam ! Combined flux in latest and established models = 0.811387 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 0.811387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140374Jy sigma=0.001335 ! Fit after self-cal, rms=0.140411Jy sigma=0.001335 ! 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=0.140411Jy sigma=0.001335 ! Fit after self-cal, rms=0.140336Jy sigma=0.001325 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.774 mas, bmaj=4.325 mas, bpa=-2.455 degrees ! Estimated noise=559.715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207622 Jy ! Component: 100 - total flux cleaned = 0.0021435 Jy ! Component: 150 - total flux cleaned = 0.00214565 Jy ! Component: 200 - total flux cleaned = 0.00214839 Jy ! Total flux subtracted in 200 components = 0.00214839 Jy ! Clean residual min=-0.003035 max=0.004126 Jy/beam ! Clean residual mean=0.000354 rms=0.000819 Jy/beam ! Combined flux in latest and established models = 0.813536 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 0.813536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140287Jy sigma=0.001324 ! Fit after self-cal, rms=0.140289Jy sigma=0.001324 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 (18, -28.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348529 Jy ! Component: 100 - total flux cleaned = 0.00349328 Jy ! Component: 150 - total flux cleaned = 0.00343254 Jy ! Component: 200 - total flux cleaned = 0.00343366 Jy ! Total flux subtracted in 200 components = 0.00343366 Jy ! Clean residual min=-0.003138 max=0.003233 Jy/beam ! Clean residual mean=0.000325 rms=0.000795 Jy/beam ! Combined flux in latest and established models = 0.816969 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 0.816969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140184Jy sigma=0.001323 ! Fit after self-cal, rms=0.140182Jy sigma=0.001323 ! 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=0.140182Jy sigma=0.001323 ! Fit after self-cal, rms=0.139727Jy sigma=0.001317 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.768 mas, bmaj=4.327 mas, bpa=-2.497 degrees ! Estimated noise=560.107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021838 Jy ! Component: 100 - total flux cleaned = 0.00243915 Jy ! Component: 150 - total flux cleaned = 0.00266286 Jy ! Component: 200 - total flux cleaned = 0.00280949 Jy ! Total flux subtracted in 200 components = 0.00280949 Jy ! Clean residual min=-0.002318 max=0.002898 Jy/beam ! Clean residual mean=0.000269 rms=0.000681 Jy/beam ! Combined flux in latest and established models = 0.819779 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 69 components and 0.819779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139680Jy sigma=0.001316 ! Fit after self-cal, rms=0.139685Jy sigma=0.001316 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 = 0.000140068 Jy ! Component: 100 - total flux cleaned = 0.00018295 Jy ! Component: 150 - total flux cleaned = 0.000220875 Jy ! Component: 200 - total flux cleaned = 0.00025578 Jy ! Total flux subtracted in 200 components = 0.00025578 Jy ! Clean residual min=-0.002269 max=0.002901 Jy/beam ! Clean residual mean=0.000266 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.820035 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 75 components and 0.820035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139666Jy sigma=0.001316 ! Fit after self-cal, rms=0.139666Jy sigma=0.001316 ! Inverting map ! Added new window around map position (-36.5, -42.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00242072 Jy ! Component: 100 - total flux cleaned = 0.00253559 Jy ! Component: 150 - total flux cleaned = 0.00271149 Jy ! Component: 200 - total flux cleaned = 0.00278988 Jy ! Total flux subtracted in 200 components = 0.00278988 Jy ! Clean residual min=-0.002197 max=0.002575 Jy/beam ! Clean residual mean=0.000231 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.822824 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 88 components and 0.822824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139603Jy sigma=0.001315 ! Fit after self-cal, rms=0.139600Jy sigma=0.001315 ! 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=0.139600Jy sigma=0.001315 ! Fit after self-cal, rms=0.139616Jy sigma=0.001315 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.138 mas, bmaj=10.24 mas, bpa=34.01 degrees ! Estimated noise=728.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00114702 Jy ! Component: 100 - total flux cleaned = 0.00151778 Jy ! Component: 150 - total flux cleaned = 0.00181832 Jy ! Component: 200 - total flux cleaned = 0.00199066 Jy ! Total flux subtracted in 200 components = 0.00199066 Jy ! Clean residual min=-0.002569 max=0.003331 Jy/beam ! Clean residual mean=0.000474 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.824815 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 113 components and 0.824815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139613Jy sigma=0.001315 ! Fit after self-cal, rms=0.139613Jy sigma=0.001315 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 = 0.000169498 Jy ! Component: 100 - total flux cleaned = 0.000261797 Jy ! Component: 150 - total flux cleaned = 0.000329034 Jy ! Component: 200 - total flux cleaned = 0.000345411 Jy ! Total flux subtracted in 200 components = 0.000345411 Jy ! Clean residual min=-0.002591 max=0.003326 Jy/beam ! Clean residual mean=0.000464 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.825161 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 119 components and 0.825161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139612Jy sigma=0.001315 ! Fit after self-cal, rms=0.139612Jy sigma=0.001315 ! 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=2.763 mas, bmaj=4.329 mas, bpa=-2.539 degrees ! Estimated noise=560.43 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.763 x 4.329 at -2.539 degrees (North through East) ! Clean map min=-0.0020746 max=0.74682 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=0.139612Jy sigma=0.001315 ! Fit after self-cal, rms=0.129175Jy sigma=0.001171 ! Inverting map and beam ! Estimated beam: bmin=2.763 mas, bmaj=4.329 mas, bpa=-2.531 degrees ! Estimated noise=560.721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000705455 Jy ! Component: 100 - total flux cleaned = 0.000890033 Jy ! Component: 150 - total flux cleaned = 0.000890795 Jy ! Component: 200 - total flux cleaned = 0.000964837 Jy ! Total flux subtracted in 200 components = 0.000964837 Jy ! Clean residual min=-0.002217 max=0.002524 Jy/beam ! Clean residual mean=0.000165 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.826125 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 122 components and 0.826125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129149Jy sigma=0.001171 ! Fit after self-cal, rms=0.129152Jy sigma=0.001171 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.2179e-05 Jy ! Component: 100 - total flux cleaned = 9.9684e-05 Jy ! Component: 150 - total flux cleaned = 9.9352e-05 Jy ! Component: 200 - total flux cleaned = 0.000129711 Jy ! Total flux subtracted in 200 components = 0.000129711 Jy ! Clean residual min=-0.002186 max=0.002495 Jy/beam ! Clean residual mean=0.000164 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.826255 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 130 components and 0.826255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129133Jy sigma=0.001171 ! Fit after self-cal, rms=0.129134Jy sigma=0.001171 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129134Jy sigma=0.001171 ! Fit after self-cal, rms=0.129136Jy sigma=0.001170 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=2.471 mas, bmaj=3.539 mas, bpa=-2.208 degrees ! Estimated noise=842.983 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.576528 Jy ! Component: 100 - total flux cleaned = 0.712942 Jy ! Component: 150 - total flux cleaned = 0.76323 Jy ! Component: 200 - total flux cleaned = 0.786186 Jy ! Total flux subtracted in 200 components = 0.786186 Jy ! Clean residual min=-0.004409 max=0.011410 Jy/beam ! Clean residual mean=0.000079 rms=0.001347 Jy/beam ! Combined flux in latest and established models = 0.786186 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.786186 Jy ! Inverting map and beam ! Estimated beam: bmin=2.76 mas, bmaj=4.331 mas, bpa=-2.559 degrees ! Estimated noise=560.893 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 = 0.0163432 Jy ! Component: 100 - total flux cleaned = 0.0242902 Jy ! Component: 150 - total flux cleaned = 0.0290936 Jy ! Component: 200 - total flux cleaned = 0.0325129 Jy ! Total flux subtracted in 200 components = 0.0325129 Jy ! Clean residual min=-0.002319 max=0.002752 Jy/beam ! Clean residual mean=0.000225 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.818699 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.818699 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=8.138 mas, bmaj=10.24 mas, bpa=34 degrees ! Estimated noise=729.206 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295401 Jy ! Component: 100 - total flux cleaned = 0.00483002 Jy ! Component: 150 - total flux cleaned = 0.00599533 Jy ! Component: 200 - total flux cleaned = 0.00648228 Jy ! Total flux subtracted in 200 components = 0.00648228 Jy ! Clean residual min=-0.002657 max=0.003090 Jy/beam ! Clean residual mean=0.000385 rms=0.000810 Jy/beam ! Combined flux in latest and established models = 0.825181 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 = 0.000308337 Jy ! Component: 100 - total flux cleaned = 0.000544026 Jy ! Component: 150 - total flux cleaned = 0.000722807 Jy ! Component: 200 - total flux cleaned = 0.000902064 Jy ! Total flux subtracted in 200 components = 0.000902064 Jy ! Clean residual min=-0.002685 max=0.003136 Jy/beam ! Clean residual mean=0.000361 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.826083 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 84 components and 0.826083 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.76 mas, bmaj=4.331 mas, bpa=-2.559 degrees ! Estimated noise=560.893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000307469 Jy ! Component: 100 - total flux cleaned = 1.74582e-05 Jy ! Component: 150 - total flux cleaned = 0.000248215 Jy ! Component: 200 - total flux cleaned = 0.00035164 Jy ! Total flux subtracted in 200 components = 0.00035164 Jy ! Clean residual min=-0.002273 max=0.002617 Jy/beam ! Clean residual mean=0.000142 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.826434 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 96 components and 0.826434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129245Jy sigma=0.001171 ! Fit after self-cal, rms=0.129233Jy sigma=0.001171 wmodel J2002+4725_S_2010_10_13_pus_map.mod ! Writing 96 model components to file: J2002+4725_S_2010_10_13_pus_map.mod wobs J2002+4725_S_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J2002+4725_S_2010_10_13_pus_uvs.fits wwins J2002+4725_S_2010_10_13_pus_map.win ! wwins: Wrote 3 windows to J2002+4725_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 = 0.00116159 Jy ! Component: 100 - total flux cleaned = 0.00168992 Jy ! Component: 150 - total flux cleaned = 0.00202106 Jy ! Component: 200 - total flux cleaned = 0.00245588 Jy ! Component: 250 - total flux cleaned = 0.00299417 Jy ! Component: 300 - total flux cleaned = 0.00344332 Jy ! Component: 350 - total flux cleaned = 0.00369997 Jy ! Component: 400 - total flux cleaned = 0.00413099 Jy ! Component: 450 - total flux cleaned = 0.00444774 Jy ! Component: 500 - total flux cleaned = 0.00475876 Jy ! Component: 550 - total flux cleaned = 0.00503096 Jy ! Component: 600 - total flux cleaned = 0.00526555 Jy ! Component: 650 - total flux cleaned = 0.00552996 Jy ! Component: 700 - total flux cleaned = 0.00582309 Jy ! Component: 750 - total flux cleaned = 0.00614427 Jy ! Component: 800 - total flux cleaned = 0.00636614 Jy ! Component: 850 - total flux cleaned = 0.00664826 Jy ! Component: 900 - total flux cleaned = 0.00686521 Jy ! Component: 950 - total flux cleaned = 0.00704904 Jy ! Component: 1000 - total flux cleaned = 0.00729131 Jy ! Component: 1050 - total flux cleaned = 0.00750093 Jy ! Component: 1100 - total flux cleaned = 0.00764885 Jy ! Component: 1150 - total flux cleaned = 0.00779537 Jy ! Component: 1200 - total flux cleaned = 0.00791172 Jy ! Component: 1250 - total flux cleaned = 0.0080843 Jy ! Component: 1300 - total flux cleaned = 0.00819806 Jy ! Component: 1350 - total flux cleaned = 0.00828301 Jy ! Component: 1400 - total flux cleaned = 0.00839497 Jy ! Component: 1450 - total flux cleaned = 0.00850571 Jy ! Component: 1500 - total flux cleaned = 0.00858812 Jy ! Component: 1550 - total flux cleaned = 0.00864273 Jy ! Component: 1600 - total flux cleaned = 0.00877821 Jy ! Component: 1650 - total flux cleaned = 0.00883199 Jy ! Component: 1700 - total flux cleaned = 0.008912 Jy ! Component: 1750 - total flux cleaned = 0.0089385 Jy ! Component: 1800 - total flux cleaned = 0.00899143 Jy ! Component: 1850 - total flux cleaned = 0.009096 Jy ! Component: 1900 - total flux cleaned = 0.00922528 Jy ! Component: 1950 - total flux cleaned = 0.00925105 Jy ! Component: 2000 - total flux cleaned = 0.00935332 Jy ! Total flux subtracted in 2048 components = 0.00940412 Jy ! Clean residual min=-0.001535 max=0.001637 Jy/beam ! Clean residual mean=0.000048 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.835838 Jy keep ! Adding 148 model components to the UV plane model. ! The established model now contains 244 components and 0.835839 Jy ![Exited script file: muppet] wmap "J2002+4725_S_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.76 x 4.331 at -2.559 degrees (North through East) ! Clean map min=-0.0020996 max=0.74787 Jy/beam ! Writing clean map to FITS file: J2002+4725_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 0.747868 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000489269 device "J2002+4725_S_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J2002+4725_S_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.196266 0.196266 0.392531 0.785062 1.57012 3.14025 6.2805 12.561 25.122 50.244 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.747 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.76 x 4.331 at -2.559 degrees (North through East) ! Clean map min=-0.0020996 max=0.74787 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2002+4725_S_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J2002+4725_S_2010_10_13_pus_map.gif/vgif' mapplot cln