! Started logfile: J0237+2848_S_2008_07_09_pus_uvs.log on Wed Oct 13 14:50:49 2010 obs J0237+2848_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0237+2848_S_2008_07_09_pus_uva.fits ! AN table 1: 132 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.144661 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0237+2848 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1058 lines of history. ! ! Reading 8020 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1367 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1366 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1362 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1375 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.179995Jy sigma=0.007322 ! Fit after self-cal, rms=1.111166Jy sigma=0.006988 ! 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=1.743 mas, bmaj=4.248 mas, bpa=-12.43 degrees ! Estimated noise=2002.09 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 = 1.49182 Jy ! Component: 100 - total flux cleaned = 1.84552 Jy ! Total flux subtracted in 100 components = 1.84552 Jy ! Clean residual min=-0.053830 max=0.147329 Jy/beam ! Clean residual mean=0.000660 rms=0.016905 Jy/beam ! Combined flux in latest and established models = 1.84552 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.84552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.519755Jy sigma=0.002840 ! Fit after self-cal, rms=0.519629Jy sigma=0.002840 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.163593 Jy ! Component: 100 - total flux cleaned = 0.263904 Jy ! Total flux subtracted in 100 components = 0.263904 Jy ! Clean residual min=-0.041620 max=0.065401 Jy/beam ! Clean residual mean=0.000258 rms=0.011627 Jy/beam ! Combined flux in latest and established models = 2.10943 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 21 components and 2.10943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.446815Jy sigma=0.002146 ! Fit after self-cal, rms=0.446536Jy sigma=0.002145 ! 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=2.003 mas, bmaj=4.882 mas, bpa=-12.19 degrees ! Estimated noise=1429.3 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 (-0.5, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.113785 Jy ! Component: 100 - total flux cleaned = 0.189392 Jy ! Component: 150 - total flux cleaned = 0.243931 Jy ! Component: 200 - total flux cleaned = 0.283929 Jy ! Total flux subtracted in 200 components = 0.283929 Jy ! Clean residual min=-0.036774 max=0.029007 Jy/beam ! Clean residual mean=-0.000080 rms=0.007668 Jy/beam ! Combined flux in latest and established models = 2.39336 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 62 components and 2.39336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.415343Jy sigma=0.001795 ! Fit after self-cal, rms=0.413439Jy sigma=0.001784 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HH 1.00* HN 0.99 ! KK 1.00* KP 1.00 LA 0.98 MK 1.00* ! NL 0.97 NY 1.06 ON 1.04 PT 0.99 ! SC 1.02 WZ 0.94 ZC 1.01 ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HH 1.00* HN 0.99 ! KK 1.00* KP 1.03 LA 0.99 MK 1.00* ! NL 0.92 NY 1.04 ON 1.03 PT 1.00 ! SC 1.02 WZ 0.98 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HH 1.00* HN 0.96 ! KK 1.00* KP 1.03 LA 1.00 MK 1.00* ! NL 1.00 NY 0.95 ON 0.99 PT 1.04 ! SC 1.04 WZ 1.00 ZC 1.05 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HH 1.00* HN 0.98 ! KK 1.00* KP 0.99 LA 1.02 MK 1.00* ! NL 0.95 NY 0.93 ON 1.00 PT 0.99 ! SC 1.05 WZ 0.97 ZC 0.83 ! ! ! Fit before self-cal, rms=0.413439Jy sigma=0.001784 ! Fit after self-cal, rms=0.374770Jy sigma=0.001560 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.987 mas, bmaj=4.93 mas, bpa=-12.13 degrees ! Estimated noise=1411.18 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 = 0.0312851 Jy ! Component: 100 - total flux cleaned = 0.0521536 Jy ! Component: 150 - total flux cleaned = 0.0584981 Jy ! Component: 200 - total flux cleaned = 0.0631971 Jy ! Total flux subtracted in 200 components = 0.0631971 Jy ! Clean residual min=-0.019349 max=0.020856 Jy/beam ! Clean residual mean=-0.000136 rms=0.004708 Jy/beam ! Combined flux in latest and established models = 2.45655 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 88 components and 2.45655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.371428Jy sigma=0.001528 ! Fit after self-cal, rms=0.371341Jy sigma=0.001526 ! 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=0.371341Jy sigma=0.001526 ! Fit after self-cal, rms=0.358262Jy sigma=0.001436 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.991 mas, bmaj=4.918 mas, bpa=-12.12 degrees ! Estimated noise=1416.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144772 Jy ! Component: 100 - total flux cleaned = 0.0219221 Jy ! Component: 150 - total flux cleaned = 0.0261618 Jy ! Component: 200 - total flux cleaned = 0.0294278 Jy ! Total flux subtracted in 200 components = 0.0294278 Jy ! Clean residual min=-0.012038 max=0.016990 Jy/beam ! Clean residual mean=-0.000046 rms=0.003098 Jy/beam ! Combined flux in latest and established models = 2.48598 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 102 components and 2.48598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357490Jy sigma=0.001429 ! Fit after self-cal, rms=0.357518Jy sigma=0.001428 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 (11.5, -30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108076 Jy ! Component: 100 - total flux cleaned = 0.0144321 Jy ! Component: 150 - total flux cleaned = 0.0157644 Jy ! Component: 200 - total flux cleaned = 0.0174231 Jy ! Total flux subtracted in 200 components = 0.0174231 Jy ! Clean residual min=-0.012110 max=0.010818 Jy/beam ! Clean residual mean=-0.000026 rms=0.002823 Jy/beam ! Combined flux in latest and established models = 2.50341 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 117 components and 2.5034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356891Jy sigma=0.001420 ! Fit after self-cal, rms=0.356858Jy sigma=0.001420 ! 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=0.356858Jy sigma=0.001420 ! Fit after self-cal, rms=0.350904Jy sigma=0.001388 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.992 mas, bmaj=4.91 mas, bpa=-12.06 degrees ! Estimated noise=1417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00825168 Jy ! Component: 100 - total flux cleaned = 0.0124462 Jy ! Component: 150 - total flux cleaned = 0.0157915 Jy ! Component: 200 - total flux cleaned = 0.0177956 Jy ! Total flux subtracted in 200 components = 0.0177956 Jy ! Clean residual min=-0.009444 max=0.010058 Jy/beam ! Clean residual mean=0.000001 rms=0.002200 Jy/beam ! Combined flux in latest and established models = 2.5212 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 133 components and 2.5212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350545Jy sigma=0.001385 ! Fit after self-cal, rms=0.350595Jy sigma=0.001385 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 (18.5, 18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100397 Jy ! Component: 100 - total flux cleaned = 0.0162112 Jy ! Component: 150 - total flux cleaned = 0.019211 Jy ! Component: 200 - total flux cleaned = 0.0215048 Jy ! Total flux subtracted in 200 components = 0.0215048 Jy ! Clean residual min=-0.009594 max=0.007972 Jy/beam ! Clean residual mean=0.000011 rms=0.001961 Jy/beam ! Combined flux in latest and established models = 2.54271 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 153 components and 2.54271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350244Jy sigma=0.001381 ! Fit after self-cal, rms=0.350235Jy sigma=0.001381 ! 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=0.350235Jy sigma=0.001381 ! Fit after self-cal, rms=0.350088Jy sigma=0.001380 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.404 mas, bmaj=8.506 mas, bpa=33.64 degrees ! Estimated noise=2025.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103959 Jy ! Component: 100 - total flux cleaned = 0.0163153 Jy ! Component: 150 - total flux cleaned = 0.0183321 Jy ! Component: 200 - total flux cleaned = 0.0197477 Jy ! Total flux subtracted in 200 components = 0.0197477 Jy ! Clean residual min=-0.008162 max=0.006990 Jy/beam ! Clean residual mean=0.000048 rms=0.002401 Jy/beam ! Combined flux in latest and established models = 2.56245 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 176 components and 2.56245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349953Jy sigma=0.001379 ! Fit after self-cal, rms=0.349915Jy sigma=0.001379 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 = 0.00155541 Jy ! Component: 100 - total flux cleaned = 0.00265823 Jy ! Component: 150 - total flux cleaned = 0.0035064 Jy ! Component: 200 - total flux cleaned = 0.00395707 Jy ! Total flux subtracted in 200 components = 0.00395707 Jy ! Clean residual min=-0.008338 max=0.006598 Jy/beam ! Clean residual mean=0.000052 rms=0.002359 Jy/beam ! Combined flux in latest and established models = 2.56641 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 193 components and 2.56641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349881Jy sigma=0.001379 ! Fit after self-cal, rms=0.349862Jy sigma=0.001378 ! 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=1.992 mas, bmaj=4.907 mas, bpa=-12.04 degrees ! Estimated noise=1417.46 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.992 x 4.907 at -12.04 degrees (North through East) ! Clean map min=-0.0082593 max=1.9576 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=0.349862Jy sigma=0.001378 ! Fit after self-cal, rms=0.487883Jy sigma=0.001073 ! Inverting map and beam ! Estimated beam: bmin=1.99 mas, bmaj=4.909 mas, bpa=-12.02 degrees ! Estimated noise=1418.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00620665 Jy ! Component: 100 - total flux cleaned = 0.0102516 Jy ! Component: 150 - total flux cleaned = 0.0128474 Jy ! Component: 200 - total flux cleaned = 0.0145693 Jy ! Total flux subtracted in 200 components = 0.0145693 Jy ! Clean residual min=-0.007906 max=0.006247 Jy/beam ! Clean residual mean=0.000003 rms=0.001718 Jy/beam ! Combined flux in latest and established models = 2.58098 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 207 components and 2.58098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487715Jy sigma=0.001071 ! Fit after self-cal, rms=0.487740Jy sigma=0.001071 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230785 Jy ! Component: 100 - total flux cleaned = 0.00332205 Jy ! Component: 150 - total flux cleaned = 0.00367629 Jy ! Component: 200 - total flux cleaned = 0.00401229 Jy ! Total flux subtracted in 200 components = 0.00401229 Jy ! Clean residual min=-0.008284 max=0.006295 Jy/beam ! Clean residual mean=0.000002 rms=0.001695 Jy/beam ! Combined flux in latest and established models = 2.58499 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 218 components and 2.58499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487667Jy sigma=0.001070 ! Fit after self-cal, rms=0.487678Jy sigma=0.001070 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.487678Jy sigma=0.001070 ! Fit after self-cal, rms=0.768370Jy sigma=0.001069 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=1.74 mas, bmaj=4.274 mas, bpa=-12.16 degrees ! Estimated noise=1983.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.47616 Jy ! Component: 100 - total flux cleaned = 1.82964 Jy ! Component: 150 - total flux cleaned = 1.99485 Jy ! Component: 200 - total flux cleaned = 2.09618 Jy ! Total flux subtracted in 200 components = 2.09618 Jy ! Clean residual min=-0.024756 max=0.056960 Jy/beam ! Clean residual mean=0.000408 rms=0.008699 Jy/beam ! Combined flux in latest and established models = 2.09618 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 25 model components to the UV plane model. ! The established model now contains 25 components and 2.09618 Jy ! Inverting map and beam ! Estimated beam: bmin=1.99 mas, bmaj=4.906 mas, bpa=-12.01 degrees ! Estimated noise=1418.73 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 = 0.120956 Jy ! Component: 100 - total flux cleaned = 0.202744 Jy ! Component: 150 - total flux cleaned = 0.261237 Jy ! Component: 200 - total flux cleaned = 0.304208 Jy ! Total flux subtracted in 200 components = 0.304208 Jy ! Clean residual min=-0.011468 max=0.024580 Jy/beam ! Clean residual mean=0.000104 rms=0.005141 Jy/beam ! Combined flux in latest and established models = 2.40038 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 72 components and 2.40038 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0322528 Jy ! Component: 100 - total flux cleaned = 0.0569098 Jy ! Component: 150 - total flux cleaned = 0.0764954 Jy ! Component: 200 - total flux cleaned = 0.0925264 Jy ! Total flux subtracted in 200 components = 0.0925264 Jy ! Clean residual min=-0.008483 max=0.010783 Jy/beam ! Clean residual mean=0.000027 rms=0.002746 Jy/beam ! Combined flux in latest and established models = 2.49291 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 114 components and 2.49291 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=7.398 mas, bmaj=8.498 mas, bpa=33.79 degrees ! Estimated noise=2033.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.02946 Jy ! Component: 100 - total flux cleaned = 0.0470722 Jy ! Component: 150 - total flux cleaned = 0.0597462 Jy ! Component: 200 - total flux cleaned = 0.0691479 Jy ! Total flux subtracted in 200 components = 0.0691479 Jy ! Clean residual min=-0.007897 max=0.009225 Jy/beam ! Clean residual mean=0.000028 rms=0.002661 Jy/beam ! Combined flux in latest and established models = 2.56206 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 = 0.00706261 Jy ! Component: 100 - total flux cleaned = 0.0122411 Jy ! Component: 150 - total flux cleaned = 0.0145279 Jy ! Component: 200 - total flux cleaned = 0.0163595 Jy ! Total flux subtracted in 200 components = 0.0163595 Jy ! Clean residual min=-0.006785 max=0.006524 Jy/beam ! Clean residual mean=0.000017 rms=0.002203 Jy/beam ! Combined flux in latest and established models = 2.57842 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 192 components and 2.57842 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.99 mas, bmaj=4.906 mas, bpa=-12.01 degrees ! Estimated noise=1418.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192686 Jy ! Component: 100 - total flux cleaned = 0.00404893 Jy ! Component: 150 - total flux cleaned = 0.00506314 Jy ! Component: 200 - total flux cleaned = 0.00580351 Jy ! Total flux subtracted in 200 components = 0.00580351 Jy ! Clean residual min=-0.007856 max=0.006510 Jy/beam ! Clean residual mean=0.000011 rms=0.001716 Jy/beam ! Combined flux in latest and established models = 2.58422 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 215 components and 2.58422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.768181Jy sigma=0.001071 ! Fit after self-cal, rms=0.768185Jy sigma=0.001070 wmodel J0237+2848_S_2008_07_09_pus_map.mod ! Writing 215 model components to file: J0237+2848_S_2008_07_09_pus_map.mod wobs J0237+2848_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0237+2848_S_2008_07_09_pus_uvs.fits wwins J0237+2848_S_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J0237+2848_S_2008_07_09_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 = -0.00270857 Jy ! Component: 100 - total flux cleaned = -0.00270766 Jy ! Component: 150 - total flux cleaned = -0.00206331 Jy ! Component: 200 - total flux cleaned = -0.00103573 Jy ! Component: 250 - total flux cleaned = -0.000338982 Jy ! Component: 300 - total flux cleaned = 0.000238106 Jy ! Component: 350 - total flux cleaned = 0.000892621 Jy ! Component: 400 - total flux cleaned = 0.00116701 Jy ! Component: 450 - total flux cleaned = 0.00161517 Jy ! Component: 500 - total flux cleaned = 0.00196689 Jy ! Component: 550 - total flux cleaned = 0.0027433 Jy ! Component: 600 - total flux cleaned = 0.00308203 Jy ! Component: 650 - total flux cleaned = 0.00375039 Jy ! Component: 700 - total flux cleaned = 0.00432615 Jy ! Component: 750 - total flux cleaned = 0.00481242 Jy ! Component: 800 - total flux cleaned = 0.00537505 Jy ! Component: 850 - total flux cleaned = 0.00577168 Jy ! Component: 900 - total flux cleaned = 0.00655678 Jy ! Component: 950 - total flux cleaned = 0.00717595 Jy ! Component: 1000 - total flux cleaned = 0.00732946 Jy ! Component: 1050 - total flux cleaned = 0.00763311 Jy ! Component: 1100 - total flux cleaned = 0.00800859 Jy ! Component: 1150 - total flux cleaned = 0.00815708 Jy ! Component: 1200 - total flux cleaned = 0.00837767 Jy ! Component: 1250 - total flux cleaned = 0.00859637 Jy ! Component: 1300 - total flux cleaned = 0.00895715 Jy ! Component: 1350 - total flux cleaned = 0.00902777 Jy ! Component: 1400 - total flux cleaned = 0.00931108 Jy ! Component: 1450 - total flux cleaned = 0.00938106 Jy ! Component: 1500 - total flux cleaned = 0.00931066 Jy ! Component: 1550 - total flux cleaned = 0.00951651 Jy ! Component: 1600 - total flux cleaned = 0.00924376 Jy ! Component: 1650 - total flux cleaned = 0.00965089 Jy ! Component: 1700 - total flux cleaned = 0.00965104 Jy ! Component: 1750 - total flux cleaned = 0.00945097 Jy ! Component: 1800 - total flux cleaned = 0.00951752 Jy ! Component: 1850 - total flux cleaned = 0.00918918 Jy ! Component: 1900 - total flux cleaned = 0.0092543 Jy ! Component: 1950 - total flux cleaned = 0.00918974 Jy ! Component: 2000 - total flux cleaned = 0.00912529 Jy ! Total flux subtracted in 2048 components = 0.00906066 Jy ! Clean residual min=-0.003699 max=0.003853 Jy/beam ! Clean residual mean=0.000001 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 2.59328 Jy keep ! Adding 160 model components to the UV plane model. ! The established model now contains 375 components and 2.59328 Jy wmap "J0237+2848_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.99 x 4.906 at -12.01 degrees (North through East) ! Clean map min=-0.0066951 max=1.9539 Jy/beam ! Writing clean map to FITS file: J0237+2848_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.95388 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00122489 device "J0237+2848_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0237+2848_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.188071 0.188071 0.376142 0.752284 1.50457 3.00914 6.01827 12.0365 24.0731 48.1462 96.2924 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.953 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.99 x 4.906 at -12.01 degrees (North through East) ! Clean map min=-0.0066951 max=1.9539 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0237+2848_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0237+2848_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0237+2848_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 14:50:53 2010