! Started logfile: J1641+2257_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:33:39 2011 obs J1641+2257_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1641+2257_S_2009_04_21_pus_uva.fits ! AN table 1: 343 integrations on 120 of 120 possible baselines. ! AN table 2: 104 integrations on 120 of 120 possible baselines. ! AN table 3: 49 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.198538 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1641+2257 ! ! 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 1864 lines of history. ! ! Reading 47268 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 J1641+2257_S_2009_04_21_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 3307 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3307 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3307 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3307 telescope corrections were flagged in sub-array 1. ! A total of 1484 telescope corrections were flagged in sub-array 2. ! A total of 458 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.755475Jy sigma=0.006727 ! Fit after self-cal, rms=0.666519Jy sigma=0.006000 ! 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=1.82 mas, bmaj=4.278 mas, bpa=-0.4228 degrees ! Estimated noise=700.7 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 = 0.272013 Jy ! Component: 100 - total flux cleaned = 0.331563 Jy ! Total flux subtracted in 100 components = 0.331563 Jy ! Clean residual min=-0.005960 max=0.018400 Jy/beam ! Clean residual mean=0.000039 rms=0.001835 Jy/beam ! Combined flux in latest and established models = 0.331563 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.331563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169700Jy sigma=0.001324 ! Fit after self-cal, rms=0.169703Jy sigma=0.001324 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195043 Jy ! Component: 100 - total flux cleaned = 0.0294241 Jy ! Total flux subtracted in 100 components = 0.0294241 Jy ! Clean residual min=-0.005522 max=0.006443 Jy/beam ! Clean residual mean=-0.000002 rms=0.001508 Jy/beam ! Combined flux in latest and established models = 0.360988 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.360988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167020Jy sigma=0.001294 ! Fit after self-cal, rms=0.166999Jy sigma=0.001294 ! 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=2.153 mas, bmaj=4.783 mas, bpa=-0.4316 degrees ! Estimated noise=371.034 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 = 0.00827215 Jy ! Component: 100 - total flux cleaned = 0.0119876 Jy ! Component: 150 - total flux cleaned = 0.013156 Jy ! Component: 200 - total flux cleaned = 0.0133631 Jy ! Total flux subtracted in 200 components = 0.0133631 Jy ! Clean residual min=-0.005336 max=0.004655 Jy/beam ! Clean residual mean=-0.000006 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.374351 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 0.374351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166585Jy sigma=0.001291 ! Fit after self-cal, rms=0.166578Jy sigma=0.001290 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.03 KB 0.95 ! KK 1.10 KP 1.10 LA 1.05 MK 0.98 ! NL 1.01 NY 1.07 OV 0.94 PT 1.02 ! SC 1.04 TS 1.01 WZ 0.93 ZC 1.42 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.02 HN 1.04 KB 0.94 ! KK 1.15 KP 1.00 LA 1.02 MK 0.94 ! NL 1.02 NY 1.00* OV 0.96 PT 1.07 ! SC 1.11 TS 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.02 KB 1.03 ! KK 1.00 KP 1.00 LA 1.00 MK 1.01 ! NL 1.03 NY 1.04 OV 0.95 PT 1.03 ! SC 1.09 TS 0.99 WZ 0.91 ZC 1.23 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.01 HN 1.05 KB 1.00 ! KK 0.97 KP 1.01 LA 0.97 MK 0.98 ! NL 1.00 NY 1.00* OV 1.03 PT 1.00 ! SC 1.16 TS 0.97 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.01 KB 1.04 ! KK 1.05 KP 0.97 LA 1.01 MK 1.00 ! NL 1.01 NY 1.00 OV 0.99 PT 1.05 ! SC 1.00 TS 1.04 WZ 0.82 ZC 0.97 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 0.97 HN 1.04 KB 1.05 ! KK 1.10 KP 0.95 LA 1.01 MK 0.97 ! NL 0.96 NY 1.00* OV 1.01 PT 1.08 ! SC 1.11 TS 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 144 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 1.00 KB 1.03 ! KK 1.00 KP 0.97 LA 0.99 MK 0.99 ! NL 1.01 NY 0.96 OV 0.80 PT 0.92 ! SC 1.02 TS 1.03 WZ 0.78 ZC 0.97 ! ! A total of 180 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.01 HN 1.03 KB 0.96 ! KK 0.94 KP 1.01 LA 0.99 MK 0.95 ! NL 1.01 NY 1.00* OV 0.85 PT 0.91 ! SC 1.07 TS 0.95 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.166578Jy sigma=0.001290 ! Fit after self-cal, rms=0.162511Jy sigma=0.001266 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.146 mas, bmaj=4.808 mas, bpa=-0.8224 degrees ! Estimated noise=374.238 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 (5, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187267 Jy ! Component: 100 - total flux cleaned = 0.00304482 Jy ! Component: 150 - total flux cleaned = 0.00383821 Jy ! Component: 200 - total flux cleaned = 0.00443783 Jy ! Total flux subtracted in 200 components = 0.00443783 Jy ! Clean residual min=-0.002369 max=0.002609 Jy/beam ! Clean residual mean=-0.000049 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.378788 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 39 components and 0.378788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162394Jy sigma=0.001265 ! Fit after self-cal, rms=0.162418Jy sigma=0.001265 ! 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=0.162418Jy sigma=0.001265 ! Fit after self-cal, rms=0.162078Jy sigma=0.001261 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.15 mas, bmaj=4.787 mas, bpa=-0.7817 degrees ! Estimated noise=374.235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140995 Jy ! Component: 100 - total flux cleaned = 0.00179476 Jy ! Component: 150 - total flux cleaned = 0.0020442 Jy ! Component: 200 - total flux cleaned = 0.00216943 Jy ! Total flux subtracted in 200 components = 0.00216943 Jy ! Clean residual min=-0.001796 max=0.001707 Jy/beam ! Clean residual mean=-0.000063 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 0.380958 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 0.380958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162053Jy sigma=0.001260 ! Fit after self-cal, rms=0.162069Jy sigma=0.001260 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 = 0.000125773 Jy ! Component: 100 - total flux cleaned = 0.000207137 Jy ! Component: 150 - total flux cleaned = 0.000279598 Jy ! Component: 200 - total flux cleaned = 0.000302157 Jy ! Total flux subtracted in 200 components = 0.000302157 Jy ! Clean residual min=-0.001775 max=0.001721 Jy/beam ! Clean residual mean=-0.000065 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.38126 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 62 components and 0.38126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162060Jy sigma=0.001260 ! Fit after self-cal, rms=0.162059Jy sigma=0.001260 ! 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=0.162059Jy sigma=0.001260 ! Fit after self-cal, rms=0.162097Jy sigma=0.001260 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.15 mas, bmaj=4.789 mas, bpa=-0.8043 degrees ! Estimated noise=374.271 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.03329e-05 Jy ! Component: 100 - total flux cleaned = 0.00030255 Jy ! Component: 150 - total flux cleaned = 0.000302746 Jy ! Component: 200 - total flux cleaned = 0.000283197 Jy ! Total flux subtracted in 200 components = 0.000283197 Jy ! Clean residual min=-0.001717 max=0.001637 Jy/beam ! Clean residual mean=-0.000020 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.381543 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 70 components and 0.381543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162089Jy sigma=0.001260 ! Fit after self-cal, rms=0.162091Jy sigma=0.001260 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 = -3.28681e-05 Jy ! Component: 100 - total flux cleaned = -1.52785e-05 Jy ! Component: 150 - total flux cleaned = -1.531e-05 Jy ! Component: 200 - total flux cleaned = -1.52271e-05 Jy ! Total flux subtracted in 200 components = -1.52271e-05 Jy ! Clean residual min=-0.001699 max=0.001639 Jy/beam ! Clean residual mean=-0.000020 rms=0.000411 Jy/beam ! Combined flux in latest and established models = 0.381528 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 72 components and 0.381528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162087Jy sigma=0.001260 ! Fit after self-cal, rms=0.162086Jy sigma=0.001260 ! 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=0.162086Jy sigma=0.001260 ! Fit after self-cal, rms=0.162162Jy sigma=0.001260 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.311 mas, bmaj=9.876 mas, bpa=-1.733 degrees ! Estimated noise=521.749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000337186 Jy ! Component: 100 - total flux cleaned = 0.000375611 Jy ! Component: 150 - total flux cleaned = 0.000367218 Jy ! Component: 200 - total flux cleaned = 0.000354655 Jy ! Total flux subtracted in 200 components = 0.000354655 Jy ! Clean residual min=-0.001727 max=0.001908 Jy/beam ! Clean residual mean=-0.000040 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.381883 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 79 components and 0.381883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162162Jy sigma=0.001260 ! Fit after self-cal, rms=0.162163Jy sigma=0.001260 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 = 4.23955e-05 Jy ! Component: 100 - total flux cleaned = 4.19624e-05 Jy ! Component: 150 - total flux cleaned = 4.69881e-05 Jy ! Component: 200 - total flux cleaned = 4.70016e-05 Jy ! Total flux subtracted in 200 components = 4.70016e-05 Jy ! Clean residual min=-0.001725 max=0.001910 Jy/beam ! Clean residual mean=-0.000041 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.38193 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 83 components and 0.38193 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162163Jy sigma=0.001260 ! Fit after self-cal, rms=0.162163Jy sigma=0.001260 ! 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=2.15 mas, bmaj=4.791 mas, bpa=-0.8207 degrees ! Estimated noise=374.4 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.15 x 4.791 at -0.8207 degrees (North through East) ! Clean map min=-0.0015054 max=0.35277 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.82 mas, bmaj=4.229 mas, bpa=-0.5429 degrees ! Estimated noise=714.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.272698 Jy ! Component: 100 - total flux cleaned = 0.332529 Jy ! Component: 150 - total flux cleaned = 0.351915 Jy ! Component: 200 - total flux cleaned = 0.361233 Jy ! Total flux subtracted in 200 components = 0.361233 Jy ! Clean residual min=-0.003884 max=0.005228 Jy/beam ! Clean residual mean=0.000024 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 0.361233 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.361233 Jy ! Inverting map and beam ! Estimated beam: bmin=2.15 mas, bmaj=4.791 mas, bpa=-0.8207 degrees ! Estimated noise=374.4 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 = 0.00646118 Jy ! Component: 100 - total flux cleaned = 0.0103504 Jy ! Component: 150 - total flux cleaned = 0.013135 Jy ! Component: 200 - total flux cleaned = 0.0152473 Jy ! Total flux subtracted in 200 components = 0.0152473 Jy ! Clean residual min=-0.001734 max=0.001807 Jy/beam ! Clean residual mean=0.000035 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.376481 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 30 components and 0.376481 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=8.311 mas, bmaj=9.876 mas, bpa=-1.733 degrees ! Estimated noise=521.749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00237877 Jy ! Component: 100 - total flux cleaned = 0.00366643 Jy ! Component: 150 - total flux cleaned = 0.00445028 Jy ! Component: 200 - total flux cleaned = 0.00494828 Jy ! Total flux subtracted in 200 components = 0.00494828 Jy ! Clean residual min=-0.001693 max=0.001963 Jy/beam ! Clean residual mean=-0.000028 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.381429 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 = 0.00032096 Jy ! Component: 100 - total flux cleaned = 0.000479216 Jy ! Component: 150 - total flux cleaned = 0.000520408 Jy ! Component: 200 - total flux cleaned = 0.000526336 Jy ! Total flux subtracted in 200 components = 0.000526336 Jy ! Clean residual min=-0.001714 max=0.001938 Jy/beam ! Clean residual mean=-0.000043 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.381955 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 59 components and 0.381955 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.15 mas, bmaj=4.791 mas, bpa=-0.8207 degrees ! Estimated noise=374.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000222179 Jy ! Component: 100 - total flux cleaned = -0.00031529 Jy ! Component: 150 - total flux cleaned = -0.000397916 Jy ! Component: 200 - total flux cleaned = -0.000432527 Jy ! Total flux subtracted in 200 components = -0.000432527 Jy ! Clean residual min=-0.001680 max=0.001629 Jy/beam ! Clean residual mean=-0.000012 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.381523 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 0.381523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162180Jy sigma=0.001260 ! Fit after self-cal, rms=0.162175Jy sigma=0.001260 wmodel J1641+2257_S_2009_04_21_pus_map.mod ! Writing 70 model components to file: J1641+2257_S_2009_04_21_pus_map.mod wobs J1641+2257_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1641+2257_S_2009_04_21_pus_uvs.fits wwins J1641+2257_S_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J1641+2257_S_2009_04_21_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 = -0.000246059 Jy ! Component: 100 - total flux cleaned = -0.000417388 Jy ! Component: 150 - total flux cleaned = -0.000554544 Jy ! Component: 200 - total flux cleaned = -0.000661717 Jy ! Component: 250 - total flux cleaned = -0.000765539 Jy ! Component: 300 - total flux cleaned = -0.000815757 Jy ! Component: 350 - total flux cleaned = -0.000815412 Jy ! Component: 400 - total flux cleaned = -0.000791214 Jy ! Component: 450 - total flux cleaned = -0.000838628 Jy ! Component: 500 - total flux cleaned = -0.000838535 Jy ! Component: 550 - total flux cleaned = -0.000815709 Jy ! Component: 600 - total flux cleaned = -0.000838488 Jy ! Component: 650 - total flux cleaned = -0.000860635 Jy ! Component: 700 - total flux cleaned = -0.000860603 Jy ! Component: 750 - total flux cleaned = -0.0008821 Jy ! Component: 800 - total flux cleaned = -0.000860869 Jy ! Component: 850 - total flux cleaned = -0.000881732 Jy ! Component: 900 - total flux cleaned = -0.000902117 Jy ! Component: 950 - total flux cleaned = -0.000881686 Jy ! Component: 1000 - total flux cleaned = -0.000901738 Jy ! Component: 1050 - total flux cleaned = -0.000862278 Jy ! Component: 1100 - total flux cleaned = -0.000901451 Jy ! Component: 1150 - total flux cleaned = -0.000882033 Jy ! Component: 1200 - total flux cleaned = -0.00088196 Jy ! Component: 1250 - total flux cleaned = -0.000862938 Jy ! Component: 1300 - total flux cleaned = -0.000806522 Jy ! Component: 1350 - total flux cleaned = -0.00080644 Jy ! Component: 1400 - total flux cleaned = -0.000787927 Jy ! Component: 1450 - total flux cleaned = -0.00078797 Jy ! Component: 1500 - total flux cleaned = -0.000769788 Jy ! Component: 1550 - total flux cleaned = -0.000733766 Jy ! Component: 1600 - total flux cleaned = -0.000751671 Jy ! Component: 1650 - total flux cleaned = -0.000733768 Jy ! Component: 1700 - total flux cleaned = -0.000698708 Jy ! Component: 1750 - total flux cleaned = -0.000716269 Jy ! Component: 1800 - total flux cleaned = -0.000681649 Jy ! Component: 1850 - total flux cleaned = -0.000698968 Jy ! Component: 1900 - total flux cleaned = -0.000698879 Jy ! Component: 1950 - total flux cleaned = -0.0006819 Jy ! Component: 2000 - total flux cleaned = -0.000715552 Jy ! Total flux subtracted in 2048 components = -0.000698736 Jy ! Clean residual min=-0.001034 max=0.000904 Jy/beam ! Clean residual mean=-0.000004 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.380824 Jy keep ! Adding 144 model components to the UV plane model. ! The established model now contains 214 components and 0.380824 Jy ![Exited script file: muppet] wmap "J1641+2257_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.15 x 4.791 at -0.8207 degrees (North through East) ! Clean map min=-0.0013 max=0.35288 Jy/beam ! Writing clean map to FITS file: J1641+2257_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.352878 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000312349 device "J1641+2257_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1641+2257_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.265544 0.265544 0.531088 1.06218 2.12435 4.2487 8.49741 16.9948 33.9896 67.9793 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.352 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.15 x 4.791 at -0.8207 degrees (North through East) ! Clean map min=-0.0013 max=0.35288 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1641+2257_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1641+2257_S_2009_04_21_pus_map.gif/vgif' mapplot cln