! Started logfile: J2020+2942_K_2006_06_04_yyk_uvs.log on Thu Jul 8 23:46:55 2010 obs J2020+2942_K_2006_06_04_yyk_uva.fits ! Reading UV FITS file: J2020+2942_K_2006_06_04_yyk_uva.fits ! AN table 1: 1769 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.765875 visibilities/baseline/integration-bin. ! Found source: J2020+2942 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.42136e+10 8e+06 1 8e+06 ! 02 2 2.42266e+10 8e+06 1 8e+06 ! 03 3 2.42656e+10 8e+06 1 8e+06 ! 04 4 2.43436e+10 8e+06 1 8e+06 ! 05 5 2.44866e+10 8e+06 1 8e+06 ! 06 6 2.45906e+10 8e+06 1 8e+06 ! 07 7 2.46556e+10 8e+06 1 8e+06 ! 08 8 2.46816e+10 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2920 lines of history. ! ! Reading 390192 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ![@muppet J2020+2942_K_2006_06_04_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 3 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=3 float phase_soltime2 phase_soltime2=0.3 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.70 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 10 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.0650x0.0650 milli-arcsec cellsize. uvav time_av, true ! Averaging into 10 second bins. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.267559 Jy 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=0.2978 mas, bmaj=0.8557 mas, bpa=-16.48 degrees ! Estimated noise=2.51968 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.150321 Jy ! Component: 100 - total flux cleaned = 0.175308 Jy ! Total flux subtracted in 100 components = 0.175308 Jy ! Clean residual min=-0.011477 max=0.012739 Jy/beam ! Clean residual mean=0.000008 rms=0.003214 Jy/beam ! Combined flux in latest and established models = 0.175308 Jy ! Performing phase self-cal over 3 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.175308 Jy ! ! Correcting IF 1. ! A total of 121 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 121 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.190222Jy sigma=1.063032 ! Fit after self-cal, rms=0.189869Jy sigma=1.060022 ! Inverting map and beam ! Estimated beam: bmin=0.2978 mas, bmaj=0.8557 mas, bpa=-16.48 degrees ! Estimated noise=2.51968 mJy/beam. print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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=0.3099 mas, bmaj=0.8609 mas, bpa=-16.85 degrees ! Estimated noise=1.41689 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120733 Jy ! Component: 100 - total flux cleaned = 0.0182555 Jy ! Component: 150 - total flux cleaned = 0.022025 Jy ! Component: 200 - total flux cleaned = 0.0238091 Jy ! Total flux subtracted in 200 components = 0.0238091 Jy ! Clean residual min=-0.010186 max=0.009911 Jy/beam ! Clean residual mean=0.000013 rms=0.002612 Jy/beam ! Combined flux in latest and established models = 0.199117 Jy ! Performing phase self-cal over 3 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.199117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.188614Jy sigma=1.054846 ! Fit after self-cal, rms=0.188537Jy sigma=1.054471 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.3099 x 0.8609 at -16.85 degrees (North through East) ! Clean map min=-0.0095701 max=0.17222 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.80 KP 0.89 LA 0.94 ! MK 0.96 NL 1.15 OV 0.64 PT 0.90 ! SC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 0.94 KP 0.94 LA 0.87 ! MK 0.75 NL 1.51 OV 0.94 PT 0.74 ! SC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 KP 0.92 LA 0.93 ! MK 0.82 NL 1.07 OV 0.95 PT 1.00 ! SC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 KP 0.99 LA 0.98 ! MK 0.99 NL 1.00 OV 0.89 PT 1.06 ! SC 1.00* ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.98 KP 0.94 LA 1.12 ! MK 1.03 NL 1.03 OV 0.94 PT 0.88 ! SC 1.00* ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.12 KP 0.85 LA 0.99 ! MK 1.04 NL 1.15 OV 1.27 PT 0.96 ! SC 1.00* ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.23 KP 0.66 LA 0.84 ! MK 1.22 NL 1.00 OV 0.94 PT 1.18 ! SC 1.00* ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.08 KP 1.37 LA 0.88 ! MK 1.08 NL 1.13 OV 1.30 PT 1.02 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.188537Jy sigma=1.054471 ! Fit after self-cal, rms=0.179499Jy sigma=1.024536 selfcal false, false, phase_soltime ! Performing phase self-cal over 3 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.179499Jy sigma=1.024536 ! Fit after self-cal, rms=0.179488Jy sigma=1.024217 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.3135 mas, bmaj=0.8598 mas, bpa=-16.53 degrees ! Estimated noise=1.3889 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00327146 Jy ! Component: 100 - total flux cleaned = -0.00368837 Jy ! Component: 150 - total flux cleaned = -0.00387413 Jy ! Component: 200 - total flux cleaned = -0.00394589 Jy ! Total flux subtracted in 200 components = -0.00394589 Jy ! Clean residual min=-0.006541 max=0.006430 Jy/beam ! Clean residual mean=-0.000001 rms=0.001889 Jy/beam ! Combined flux in latest and established models = 0.195171 Jy ! Performing phase self-cal over 3 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 0.195171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.179458Jy sigma=1.023697 ! Fit after self-cal, rms=0.179448Jy sigma=1.023545 ! Inverting map print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.3 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.179448Jy sigma=1.023545 ! Fit after self-cal, rms=0.174810Jy sigma=0.989372 dynam = dynam - 0.5 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00363459 Jy ! Component: 100 - total flux cleaned = 0.00415442 Jy ! Component: 150 - total flux cleaned = 0.00432826 Jy ! Component: 200 - total flux cleaned = 0.0043963 Jy ! Total flux subtracted in 200 components = 0.0043963 Jy ! Clean residual min=-0.006414 max=0.006490 Jy/beam ! Clean residual mean=-0.000006 rms=0.001841 Jy/beam ! Combined flux in latest and established models = 0.199568 Jy ! Performing phase self-cal over 0.3 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 51 components and 0.199568 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.174689Jy sigma=0.988823 ! Fit after self-cal, rms=0.173711Jy sigma=0.983408 ! Inverting map print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.3135 x 0.8598 at -16.53 degrees (North through East) ! Clean map min=-0.0061454 max=0.17661 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 3 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.173711Jy sigma=0.983408 ! Fit after self-cal, rms=0.183179Jy sigma=0.966186 ! Performing phase self-cal over 0.3 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.183179Jy sigma=0.966186 ! Fit after self-cal, rms=0.182857Jy sigma=0.964527 ! Inverting map and beam ! Estimated beam: bmin=0.3155 mas, bmaj=0.8629 mas, bpa=-16.63 degrees ! Estimated noise=1.38088 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000298294 Jy ! Component: 100 - total flux cleaned = -0.000308804 Jy ! Component: 150 - total flux cleaned = -0.000256331 Jy ! Component: 200 - total flux cleaned = -0.000260373 Jy ! Total flux subtracted in 200 components = -0.000260373 Jy ! Clean residual min=-0.004410 max=0.004449 Jy/beam ! Clean residual mean=-0.000009 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 0.199307 Jy ! Performing phase self-cal over 0.3 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 65 components and 0.199307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.182819Jy sigma=0.964199 ! Fit after self-cal, rms=0.182662Jy sigma=0.963619 ! Inverting map ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.182662Jy sigma=0.963619 ! Fit after self-cal, rms=0.188067Jy sigma=0.956388 ! Performing phase self-cal over 0.3 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.188067Jy sigma=0.956388 ! Fit after self-cal, rms=0.187948Jy sigma=0.956068 ! Inverting map and beam ! Estimated beam: bmin=0.3157 mas, bmaj=0.8615 mas, bpa=-16.83 degrees ! Estimated noise=1.38493 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105545 Jy ! Component: 100 - total flux cleaned = 0.00111072 Jy ! Component: 150 - total flux cleaned = 0.00106505 Jy ! Component: 200 - total flux cleaned = 0.00106492 Jy ! Total flux subtracted in 200 components = 0.00106492 Jy ! Clean residual min=-0.004462 max=0.004199 Jy/beam ! Clean residual mean=-0.000009 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.200372 Jy ! Performing phase self-cal over 0.3 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 0.200372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.187924Jy sigma=0.955823 ! Fit after self-cal, rms=0.187876Jy sigma=0.955720 ! Inverting map ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 180 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8696 mas, bmaj=1.031 mas, bpa=20.89 degrees ! Estimated noise=1.8156 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000466034 Jy ! Component: 100 - total flux cleaned = -0.000519082 Jy ! Component: 150 - total flux cleaned = -0.000559242 Jy ! Component: 200 - total flux cleaned = -0.000616258 Jy ! Total flux subtracted in 200 components = -0.000616258 Jy ! Clean residual min=-0.005092 max=0.004719 Jy/beam ! Clean residual mean=-0.000026 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 0.199756 Jy ! Performing phase self-cal over 0.3 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 74 components and 0.199756 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.187877Jy sigma=0.955714 ! Fit after self-cal, rms=0.187840Jy sigma=0.955639 ! Inverting map uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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=0.2989 mas, bmaj=0.8573 mas, bpa=-16.07 degrees ! Estimated noise=2.54507 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.156977 Jy ! Component: 100 - total flux cleaned = 0.18204 Jy ! Component: 150 - total flux cleaned = 0.190941 Jy ! Component: 200 - total flux cleaned = 0.194109 Jy ! Total flux subtracted in 200 components = 0.194109 Jy ! Clean residual min=-0.005680 max=0.005639 Jy/beam ! Clean residual mean=0.000003 rms=0.001454 Jy/beam ! Combined flux in latest and established models = 0.194109 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.194109 Jy ! Inverting map and beam ! Estimated beam: bmin=0.3157 mas, bmaj=0.8615 mas, bpa=-16.83 degrees ! Estimated noise=1.38493 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00303431 Jy ! Component: 100 - total flux cleaned = 0.00347723 Jy ! Component: 150 - total flux cleaned = 0.00390023 Jy ! Component: 200 - total flux cleaned = 0.00410855 Jy ! Total flux subtracted in 200 components = 0.00410855 Jy ! Clean residual min=-0.004258 max=0.004785 Jy/beam ! Clean residual mean=-0.000010 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 0.198218 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 49 components and 0.198218 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 180 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8696 mas, bmaj=1.031 mas, bpa=20.89 degrees ! Estimated noise=1.8156 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00056875 Jy ! Component: 100 - total flux cleaned = 0.000733381 Jy ! Component: 150 - total flux cleaned = 0.000781359 Jy ! Component: 200 - total flux cleaned = 0.00076102 Jy ! Total flux subtracted in 200 components = 0.00076102 Jy ! Clean residual min=-0.005039 max=0.004845 Jy/beam ! Clean residual mean=-0.000027 rms=0.001626 Jy/beam ! Combined flux in latest and established models = 0.198979 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 0.198979 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.3157 mas, bmaj=0.8615 mas, bpa=-16.83 degrees ! Estimated noise=1.38493 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000448918 Jy ! Component: 100 - total flux cleaned = -0.000191879 Jy ! Component: 150 - total flux cleaned = -1.60903e-05 Jy ! Component: 200 - total flux cleaned = 0.000102547 Jy ! Total flux subtracted in 200 components = 0.000102547 Jy ! Clean residual min=-0.004370 max=0.004445 Jy/beam ! Clean residual mean=-0.000010 rms=0.001153 Jy/beam ! Combined flux in latest and established models = 0.199081 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.3 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 64 components and 0.199081 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.187843Jy sigma=0.955683 ! Fit after self-cal, rms=0.187821Jy sigma=0.955591 wmodel J2020+2942_K_2006_06_04_yyk\_map.mod ! Writing 64 model components to file: J2020+2942_K_2006_06_04_yyk_map.mod wobs J2020+2942_K_2006_06_04_yyk\_uvs.fits ! Writing UV FITS file: J2020+2942_K_2006_06_04_yyk_uvs.fits wwins J2020+2942_K_2006_06_04_yyk\_map.win ! wwins: Wrote 1 windows to J2020+2942_K_2006_06_04_yyk_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 = 0.000225058 Jy ! Component: 100 - total flux cleaned = 0.000563338 Jy ! Component: 150 - total flux cleaned = 0.000812336 Jy ! Component: 200 - total flux cleaned = 0.00116471 Jy ! Component: 250 - total flux cleaned = 0.00127728 Jy ! Component: 300 - total flux cleaned = 0.00148756 Jy ! Component: 350 - total flux cleaned = 0.00163609 Jy ! Component: 400 - total flux cleaned = 0.00177843 Jy ! Component: 450 - total flux cleaned = 0.00182319 Jy ! Component: 500 - total flux cleaned = 0.00182183 Jy ! Component: 550 - total flux cleaned = 0.00177944 Jy ! Component: 600 - total flux cleaned = 0.00194301 Jy ! Component: 650 - total flux cleaned = 0.00209959 Jy ! Component: 700 - total flux cleaned = 0.00206103 Jy ! Component: 750 - total flux cleaned = 0.00195055 Jy ! Component: 800 - total flux cleaned = 0.00198697 Jy ! Component: 850 - total flux cleaned = 0.00195103 Jy ! Component: 900 - total flux cleaned = 0.00198485 Jy ! Component: 950 - total flux cleaned = 0.00201791 Jy ! Component: 1000 - total flux cleaned = 0.00208367 Jy ! Component: 1050 - total flux cleaned = 0.00221082 Jy ! Component: 1100 - total flux cleaned = 0.00217925 Jy ! Component: 1150 - total flux cleaned = 0.00227112 Jy ! Component: 1200 - total flux cleaned = 0.00230128 Jy ! Component: 1250 - total flux cleaned = 0.0023307 Jy ! Component: 1300 - total flux cleaned = 0.00230198 Jy ! Component: 1350 - total flux cleaned = 0.0023594 Jy ! Component: 1400 - total flux cleaned = 0.00238761 Jy ! Component: 1450 - total flux cleaned = 0.00244301 Jy ! Component: 1500 - total flux cleaned = 0.00249747 Jy ! Component: 1550 - total flux cleaned = 0.00257731 Jy ! Component: 1600 - total flux cleaned = 0.00270813 Jy ! Component: 1650 - total flux cleaned = 0.00275942 Jy ! Component: 1700 - total flux cleaned = 0.00286078 Jy ! Component: 1750 - total flux cleaned = 0.00291005 Jy ! Component: 1800 - total flux cleaned = 0.00303201 Jy ! Component: 1850 - total flux cleaned = 0.0030802 Jy ! Component: 1900 - total flux cleaned = 0.00310443 Jy ! Component: 1950 - total flux cleaned = 0.00326709 Jy ! Component: 2000 - total flux cleaned = 0.00333561 Jy ! Total flux subtracted in 2048 components = 0.00333575 Jy ! Clean residual min=-0.001306 max=0.001296 Jy/beam ! Clean residual mean=-0.000007 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.202417 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 220 components and 0.202417 Jy ![Exited script file: muppet] wmap "J2020+2942_K_2006_06_04_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.3157 x 0.8615 at -16.83 degrees (North through East) ! Clean map min=-0.0030098 max=0.17947 Jy/beam ! Writing clean map to FITS file: J2020+2942_K_2006_06_04_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.179469 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000444532 device "J2020+2942_K_2006_06_04_yyk\_map.eps/VPS" ! Attempting to open device: 'J2020+2942_K_2006_06_04_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.743079 0.743079 1.48616 2.97231 5.94463 11.8893 23.7785 47.557 95.1141 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.179 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.3157 x 0.8615 at -16.83 degrees (North through East) ! Clean map min=-0.0030098 max=0.17947 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2020+2942_K_2006_06_04_yyk\_map.gif/gif" ! Attempting to open device: 'J2020+2942_K_2006_06_04_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2020+2942_K_2006_06_04_yyk_uvs.log closed on Thu Jul 8 23:46:56 2010