! Started logfile: J2246-1206_S_2008_07_09_pus_uvs.log on Wed Oct 13 13:18:38 2010 obs J2246-1206_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2246-1206_S_2008_07_09_pus_uva.fits ! AN table 1: 44 integrations on 105 of 105 possible baselines. ! AN table 2: 31 integrations on 105 of 105 possible baselines. ! AN table 3: 114 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.102343 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! ! 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 1054 lines of history. ! ! Reading 8124 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 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.951578Jy sigma=0.006869 ! Fit after self-cal, rms=0.893724Jy sigma=0.006695 ! 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=2.387 mas, bmaj=6.524 mas, bpa=-8.339 degrees ! Estimated noise=1508.29 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 = 1.2211 Jy ! Component: 100 - total flux cleaned = 1.59272 Jy ! Total flux subtracted in 100 components = 1.59272 Jy ! Clean residual min=-0.055693 max=0.156280 Jy/beam ! Clean residual mean=0.000450 rms=0.017530 Jy/beam ! Combined flux in latest and established models = 1.59272 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.59272 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.481637Jy sigma=0.003264 ! Fit after self-cal, rms=0.480760Jy sigma=0.003249 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.177121 Jy ! Component: 100 - total flux cleaned = 0.275622 Jy ! Total flux subtracted in 100 components = 0.275622 Jy ! Clean residual min=-0.034427 max=0.074326 Jy/beam ! Clean residual mean=0.000447 rms=0.010344 Jy/beam ! Combined flux in latest and established models = 1.86834 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 1.86834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.364076Jy sigma=0.002247 ! Fit after self-cal, rms=0.363227Jy sigma=0.002235 ! Inverting map ! Added new window around map position (5.5, 6.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0742125 Jy ! Component: 100 - total flux cleaned = 0.120947 Jy ! Total flux subtracted in 100 components = 0.120947 Jy ! Clean residual min=-0.024814 max=0.032192 Jy/beam ! Clean residual mean=0.000398 rms=0.008173 Jy/beam ! Combined flux in latest and established models = 1.98929 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 32 components and 1.98929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.337385Jy sigma=0.002007 ! Fit after self-cal, rms=0.336823Jy sigma=0.002003 ! 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=3.031 mas, bmaj=8.041 mas, bpa=-7.731 degrees ! Estimated noise=1046.67 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 = 0.0581843 Jy ! Component: 100 - total flux cleaned = 0.0941835 Jy ! Component: 150 - total flux cleaned = 0.1187 Jy ! Component: 200 - total flux cleaned = 0.128179 Jy ! Total flux subtracted in 200 components = 0.128179 Jy ! Clean residual min=-0.026305 max=0.025825 Jy/beam ! Clean residual mean=0.000357 rms=0.008451 Jy/beam ! Combined flux in latest and established models = 2.11746 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 70 components and 2.11747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320162Jy sigma=0.001902 ! Fit after self-cal, rms=0.320013Jy sigma=0.001899 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HH 1.00* HN 1.00 ! KK 0.98 KP 1.01 LA 0.99 MK 0.97 ! NL 1.03 NY 1.00* ON 1.00* PT 1.00 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.97 HH 1.00* HN 0.99 ! KK 1.00 KP 0.98 LA 0.98 MK 0.95 ! NL 0.99 NY 1.00* ON 1.00* PT 0.99 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 309 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HH 1.00* HN 1.00 ! KK 0.93 KP 1.04 LA 1.00 MK 0.99 ! NL 0.99 NY 1.00* ON 1.00* PT 1.01 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 HH 1.00* HN 0.98 ! KK 0.92 KP 1.02 LA 1.00 MK 0.98 ! NL 0.96 NY 1.00* ON 1.00* PT 0.99 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 309 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HH 1.00* HN 0.99 ! KK 1.04 KP 1.04 LA 1.01 MK 0.98 ! NL 1.05 NY 1.00* ON 1.00* PT 1.04 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 HH 1.00* HN 0.97 ! KK 1.00 KP 1.03 LA 1.00 MK 0.94 ! NL 1.04 NY 1.00* ON 1.00* PT 1.02 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 309 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HH 1.00* HN 1.02 ! KK 1.00 KP 1.01 LA 1.00 MK 0.97 ! NL 1.00 NY 1.00* ON 1.00* PT 0.99 ! SC 1.04 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00 ! KK 1.00 KP 0.97 LA 1.02 MK 0.97 ! NL 0.98 NY 1.00* ON 1.00* PT 0.97 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 309 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.320013Jy sigma=0.001899 ! Fit after self-cal, rms=0.226802Jy sigma=0.001664 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.936 mas, bmaj=7.861 mas, bpa=-8.517 degrees ! Estimated noise=1041.33 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 = 0.0134003 Jy ! Component: 100 - total flux cleaned = 0.0144038 Jy ! Component: 150 - total flux cleaned = 0.0144023 Jy ! Component: 200 - total flux cleaned = 0.0140152 Jy ! Total flux subtracted in 200 components = 0.0140152 Jy ! Clean residual min=-0.013958 max=0.017380 Jy/beam ! Clean residual mean=0.000247 rms=0.004435 Jy/beam ! Combined flux in latest and established models = 2.13148 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 88 components and 2.13148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225878Jy sigma=0.001656 ! Fit after self-cal, rms=0.225815Jy sigma=0.001655 ! 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=0.225815Jy sigma=0.001655 ! Fit after self-cal, rms=0.220832Jy sigma=0.001620 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.93 mas, bmaj=7.855 mas, bpa=-8.593 degrees ! Estimated noise=1040.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00596855 Jy ! Component: 100 - total flux cleaned = 0.006574 Jy ! Component: 150 - total flux cleaned = 0.00642993 Jy ! Component: 200 - total flux cleaned = 0.00602798 Jy ! Total flux subtracted in 200 components = 0.00602798 Jy ! Clean residual min=-0.013866 max=0.015162 Jy/beam ! Clean residual mean=0.000163 rms=0.003961 Jy/beam ! Combined flux in latest and established models = 2.13751 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 95 components and 2.13751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220497Jy sigma=0.001617 ! Fit after self-cal, rms=0.220472Jy sigma=0.001617 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 = 0.000371235 Jy ! Component: 100 - total flux cleaned = 6.06494e-06 Jy ! Component: 150 - total flux cleaned = -0.000434035 Jy ! Component: 200 - total flux cleaned = -0.000833341 Jy ! Total flux subtracted in 200 components = -0.000833342 Jy ! Clean residual min=-0.013708 max=0.015302 Jy/beam ! Clean residual mean=0.000164 rms=0.003944 Jy/beam ! Combined flux in latest and established models = 2.13668 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 98 components and 2.13668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220353Jy sigma=0.001616 ! Fit after self-cal, rms=0.220350Jy sigma=0.001616 ! 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=0.220350Jy sigma=0.001616 ! Fit after self-cal, rms=0.200662Jy sigma=0.001381 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.926 mas, bmaj=7.847 mas, bpa=-8.626 degrees ! Estimated noise=1039.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000425699 Jy ! Component: 100 - total flux cleaned = -0.00152394 Jy ! Component: 150 - total flux cleaned = -0.0026199 Jy ! Component: 200 - total flux cleaned = -0.00290146 Jy ! Total flux subtracted in 200 components = -0.00290146 Jy ! Clean residual min=-0.005903 max=0.011286 Jy/beam ! Clean residual mean=0.000060 rms=0.001789 Jy/beam ! Combined flux in latest and established models = 2.13377 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 103 components and 2.13377 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200514Jy sigma=0.001380 ! Fit after self-cal, rms=0.200522Jy 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) ! Added new window around map position (12, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102298 Jy ! Component: 100 - total flux cleaned = 0.010485 Jy ! Component: 150 - total flux cleaned = 0.0101513 Jy ! Component: 200 - total flux cleaned = 0.00960424 Jy ! Total flux subtracted in 200 components = 0.00960424 Jy ! Clean residual min=-0.005051 max=0.005680 Jy/beam ! Clean residual mean=0.000038 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 2.14338 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 116 components and 2.14338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199934Jy sigma=0.001374 ! Fit after self-cal, rms=0.199864Jy sigma=0.001373 ! 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=0.199864Jy sigma=0.001373 ! Fit after self-cal, rms=0.199688Jy sigma=0.001373 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.547 mas, bmaj=12.92 mas, bpa=-6.595 degrees ! Estimated noise=1341.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318176 Jy ! Component: 100 - total flux cleaned = 0.00290954 Jy ! Component: 150 - total flux cleaned = 0.00281125 Jy ! Component: 200 - total flux cleaned = 0.00273675 Jy ! Total flux subtracted in 200 components = 0.00273675 Jy ! Clean residual min=-0.005279 max=0.005415 Jy/beam ! Clean residual mean=0.000056 rms=0.001858 Jy/beam ! Combined flux in latest and established models = 2.14612 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 128 components and 2.14612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199612Jy sigma=0.001372 ! Fit after self-cal, rms=0.199599Jy sigma=0.001372 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 = 0.00114047 Jy ! Component: 100 - total flux cleaned = 0.00107896 Jy ! Component: 150 - total flux cleaned = 0.00108101 Jy ! Component: 200 - total flux cleaned = 0.0010308 Jy ! Total flux subtracted in 200 components = 0.0010308 Jy ! Clean residual min=-0.005105 max=0.004969 Jy/beam ! Clean residual mean=0.000049 rms=0.001783 Jy/beam ! Combined flux in latest and established models = 2.14715 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 145 components and 2.14715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199559Jy sigma=0.001372 ! Fit after self-cal, rms=0.199555Jy sigma=0.001372 ! 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=2.924 mas, bmaj=7.843 mas, bpa=-8.623 degrees ! Estimated noise=1038.62 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.924 x 7.843 at -8.623 degrees (North through East) ! Clean map min=-0.0044636 max=1.636 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=0.199555Jy sigma=0.001372 ! Fit after self-cal, rms=0.194789Jy sigma=0.001108 ! Inverting map and beam ! Estimated beam: bmin=2.926 mas, bmaj=7.841 mas, bpa=-8.589 degrees ! Estimated noise=1039.68 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.17487e-05 Jy ! Component: 100 - total flux cleaned = -0.000258352 Jy ! Component: 150 - total flux cleaned = -0.000344406 Jy ! Component: 200 - total flux cleaned = -0.0004937 Jy ! Total flux subtracted in 200 components = -0.0004937 Jy ! Clean residual min=-0.004349 max=0.004753 Jy/beam ! Clean residual mean=0.000023 rms=0.001241 Jy/beam ! Combined flux in latest and established models = 2.14665 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 160 components and 2.14665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194691Jy sigma=0.001107 ! Fit after self-cal, rms=0.194670Jy sigma=0.001107 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000348983 Jy ! Component: 100 - total flux cleaned = 0.000282415 Jy ! Component: 150 - total flux cleaned = 0.000282834 Jy ! Component: 200 - total flux cleaned = 0.000225582 Jy ! Total flux subtracted in 200 components = 0.000225582 Jy ! Clean residual min=-0.004338 max=0.004561 Jy/beam ! Clean residual mean=0.000023 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 2.14688 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 169 components and 2.14688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194627Jy sigma=0.001107 ! Fit after self-cal, rms=0.194618Jy sigma=0.001107 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194618Jy sigma=0.001107 ! Fit after self-cal, rms=0.194837Jy sigma=0.001107 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=2.364 mas, bmaj=6.534 mas, bpa=-8.68 degrees ! Estimated noise=1502.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.21028 Jy ! Component: 100 - total flux cleaned = 1.59779 Jy ! Component: 150 - total flux cleaned = 1.77847 Jy ! Component: 200 - total flux cleaned = 1.88084 Jy ! Total flux subtracted in 200 components = 1.88084 Jy ! Clean residual min=-0.021640 max=0.055608 Jy/beam ! Clean residual mean=0.000177 rms=0.006751 Jy/beam ! Combined flux in latest and established models = 1.88084 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 1.88084 Jy ! Inverting map and beam ! Estimated beam: bmin=2.926 mas, bmaj=7.842 mas, bpa=-8.597 degrees ! Estimated noise=1039.99 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 = 0.0951418 Jy ! Component: 100 - total flux cleaned = 0.149597 Jy ! Component: 150 - total flux cleaned = 0.18426 Jy ! Component: 200 - total flux cleaned = 0.207772 Jy ! Total flux subtracted in 200 components = 0.207772 Jy ! Clean residual min=-0.006827 max=0.013426 Jy/beam ! Clean residual mean=0.000142 rms=0.002916 Jy/beam ! Combined flux in latest and established models = 2.08861 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 66 components and 2.08861 Jy ! Inverting map ! Added new window around map position (3, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165833 Jy ! Component: 100 - total flux cleaned = 0.0283594 Jy ! Component: 150 - total flux cleaned = 0.0368748 Jy ! Component: 200 - total flux cleaned = 0.043125 Jy ! Total flux subtracted in 200 components = 0.043125 Jy ! Clean residual min=-0.004770 max=0.004918 Jy/beam ! Clean residual mean=0.000056 rms=0.001414 Jy/beam ! Combined flux in latest and established models = 2.13174 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 97 components and 2.13174 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=7.549 mas, bmaj=12.92 mas, bpa=-6.546 degrees ! Estimated noise=1342.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00712458 Jy ! Component: 100 - total flux cleaned = 0.010806 Jy ! Component: 150 - total flux cleaned = 0.0124605 Jy ! Component: 200 - total flux cleaned = 0.0130563 Jy ! Total flux subtracted in 200 components = 0.0130563 Jy ! Clean residual min=-0.004819 max=0.005004 Jy/beam ! Clean residual mean=0.000069 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 2.1448 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 = 0.000384329 Jy ! Component: 100 - total flux cleaned = 0.000528936 Jy ! Component: 150 - total flux cleaned = 0.000708802 Jy ! Component: 200 - total flux cleaned = 0.000832731 Jy ! Total flux subtracted in 200 components = 0.000832731 Jy ! Clean residual min=-0.004893 max=0.004875 Jy/beam ! Clean residual mean=0.000065 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 2.14563 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 168 components and 2.14563 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.926 mas, bmaj=7.842 mas, bpa=-8.597 degrees ! Estimated noise=1039.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000530895 Jy ! Component: 100 - total flux cleaned = -0.000330067 Jy ! Component: 150 - total flux cleaned = -0.000160887 Jy ! Component: 200 - total flux cleaned = -0.000236924 Jy ! Total flux subtracted in 200 components = -0.000236924 Jy ! Clean residual min=-0.004227 max=0.004855 Jy/beam ! Clean residual mean=0.000029 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 2.14539 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 193 components and 2.14539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194843Jy sigma=0.001107 ! Fit after self-cal, rms=0.194795Jy sigma=0.001107 wmodel J2246-1206_S_2008_07_09_pus_map.mod ! Writing 193 model components to file: J2246-1206_S_2008_07_09_pus_map.mod wobs J2246-1206_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2246-1206_S_2008_07_09_pus_uvs.fits wwins J2246-1206_S_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J2246-1206_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 = 0.000964069 Jy ! Component: 100 - total flux cleaned = 0.00111965 Jy ! Component: 150 - total flux cleaned = 0.00112149 Jy ! Component: 200 - total flux cleaned = 0.00126055 Jy ! Component: 250 - total flux cleaned = 0.00180012 Jy ! Component: 300 - total flux cleaned = 0.00232451 Jy ! Component: 350 - total flux cleaned = 0.00296633 Jy ! Component: 400 - total flux cleaned = 0.00353113 Jy ! Component: 450 - total flux cleaned = 0.00426678 Jy ! Component: 500 - total flux cleaned = 0.004806 Jy ! Component: 550 - total flux cleaned = 0.00557214 Jy ! Component: 600 - total flux cleaned = 0.00632252 Jy ! Component: 650 - total flux cleaned = 0.00688941 Jy ! Component: 700 - total flux cleaned = 0.00722476 Jy ! Component: 750 - total flux cleaned = 0.00766397 Jy ! Component: 800 - total flux cleaned = 0.00787942 Jy ! Component: 850 - total flux cleaned = 0.00830566 Jy ! Component: 900 - total flux cleaned = 0.00856765 Jy ! Component: 950 - total flux cleaned = 0.00882626 Jy ! Component: 1000 - total flux cleaned = 0.00903089 Jy ! Component: 1050 - total flux cleaned = 0.00938444 Jy ! Component: 1100 - total flux cleaned = 0.00963382 Jy ! Component: 1150 - total flux cleaned = 0.00992916 Jy ! Component: 1200 - total flux cleaned = 0.0102207 Jy ! Component: 1250 - total flux cleaned = 0.0105079 Jy ! Component: 1300 - total flux cleaned = 0.0108853 Jy ! Component: 1350 - total flux cleaned = 0.0111661 Jy ! Component: 1400 - total flux cleaned = 0.0114438 Jy ! Component: 1450 - total flux cleaned = 0.0118105 Jy ! Component: 1500 - total flux cleaned = 0.0121276 Jy ! Component: 1550 - total flux cleaned = 0.0123518 Jy ! Component: 1600 - total flux cleaned = 0.0126184 Jy ! Component: 1650 - total flux cleaned = 0.012707 Jy ! Component: 1700 - total flux cleaned = 0.0129686 Jy ! Component: 1750 - total flux cleaned = 0.0131848 Jy ! Component: 1800 - total flux cleaned = 0.0133989 Jy ! Component: 1850 - total flux cleaned = 0.0135686 Jy ! Component: 1900 - total flux cleaned = 0.0137367 Jy ! Component: 1950 - total flux cleaned = 0.0140697 Jy ! Component: 2000 - total flux cleaned = 0.0140284 Jy ! Total flux subtracted in 2048 components = 0.0142329 Jy ! Clean residual min=-0.002356 max=0.002810 Jy/beam ! Clean residual mean=0.000029 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 2.15962 Jy keep ! Adding 132 model components to the UV plane model. ! The established model now contains 325 components and 2.15962 Jy wmap "J2246-1206_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.926 x 7.842 at -8.597 degrees (North through East) ! Clean map min=-0.0034138 max=1.6359 Jy/beam ! Writing clean map to FITS file: J2246-1206_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 1.63586 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000806893 device "J2246-1206_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.147976 0.147976 0.295952 0.591903 1.18381 2.36761 4.73522 9.47045 18.9409 37.8818 75.7636 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.635 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.926 x 7.842 at -8.597 degrees (North through East) ! Clean map min=-0.0034138 max=1.6359 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 13:18:42 2010