! Started logfile: J1625-2527_S_2001_07_05_pus_uvs.log on Mon Aug 13 12:53:21 2007 obs J1625-2527_S_2001_07_05_pus_uva.fits ! Reading UV FITS file: J1625-2527_S_2001_07_05_pus_uva.fits ! AN table 1: 57 integrations on 171 of 171 possible baselines. ! AN table 2: 86 integrations on 171 of 171 possible baselines. ! AN table 3: 10 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0698314 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1625-2527 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1778 lines of history. ! ! Reading 7308 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 930 telescope corrections were flagged in sub-array 1. ! A total of 1318 telescope corrections were flagged in sub-array 2. ! A total of 190 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 930 telescope corrections were flagged in sub-array 1. ! A total of 1318 telescope corrections were flagged in sub-array 2. ! A total of 190 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 930 telescope corrections were flagged in sub-array 1. ! A total of 1318 telescope corrections were flagged in sub-array 2. ! A total of 190 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 930 telescope corrections were flagged in sub-array 1. ! A total of 1324 telescope corrections were flagged in sub-array 2. ! A total of 190 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.599262Jy sigma=0.004587 ! Fit after self-cal, rms=0.498036Jy sigma=0.003670 ! 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=2.321 mas, bmaj=6.072 mas, bpa=-4.133 degrees ! Estimated noise=1536.98 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 = 0.416944 Jy ! Component: 100 - total flux cleaned = 0.535119 Jy ! Total flux subtracted in 100 components = 0.535119 Jy ! Clean residual min=-0.020763 max=0.055778 Jy/beam ! Clean residual mean=0.000180 rms=0.007425 Jy/beam ! Combined flux in latest and established models = 0.535119 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.535119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243689Jy sigma=0.001792 ! Fit after self-cal, rms=0.243688Jy sigma=0.001791 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.065915 Jy ! Component: 100 - total flux cleaned = 0.106004 Jy ! Total flux subtracted in 100 components = 0.106004 Jy ! Clean residual min=-0.013811 max=0.022784 Jy/beam ! Clean residual mean=0.000155 rms=0.003922 Jy/beam ! Combined flux in latest and established models = 0.641123 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 34 components and 0.641123 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217513Jy sigma=0.001545 ! Fit after self-cal, rms=0.217481Jy sigma=0.001544 ! 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=2.751 mas, bmaj=7.489 mas, bpa=-9.391 degrees ! Estimated noise=1114.06 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 = 0.0387969 Jy ! Component: 100 - total flux cleaned = 0.0587855 Jy ! Component: 150 - total flux cleaned = 0.0696921 Jy ! Component: 200 - total flux cleaned = 0.0757129 Jy ! Total flux subtracted in 200 components = 0.0757129 Jy ! Clean residual min=-0.008458 max=0.010383 Jy/beam ! Clean residual mean=0.001061 rms=0.002930 Jy/beam ! Combined flux in latest and established models = 0.716836 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 51 components and 0.716835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211288Jy sigma=0.001484 ! Fit after self-cal, rms=0.211283Jy sigma=0.001483 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.01 KP 1.00 ! LA 1.04 MC 1.00* MK 0.97 NL 1.07 ! NY 1.00* OV 0.97 PT 0.94 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 GC 1.00* GG 1.00* ! HH 1.70 HN 1.01 KK 1.05 KP 0.98 ! LA 1.01 MC 0.91 MK 0.99 NL 1.00 ! NY 1.00* OV 1.03 PT 0.97 SC 0.99 ! TS 1.00* WF 1.02 WZ 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 0.76 ! LA 0.97 MC 1.00* MK 0.95 NL 1.02 ! NY 1.00* OV 1.05 PT 0.93 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.04 GC 1.00* GG 1.00* ! HH 1.24 HN 1.00 KK 1.07 KP 1.09 ! LA 0.96 MC 1.02 MK 0.97 NL 0.95 ! NY 1.00* OV 1.01 PT 1.01 SC 1.01 ! TS 1.00* WF 1.05 WZ 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.04 KP 1.04 ! LA 0.98 MC 1.00* MK 0.97 NL 1.04 ! NY 1.00* OV 1.04 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.94 GC 1.00* GG 1.00* ! HH 1.16 HN 1.05 KK 1.10 KP 1.02 ! LA 0.97 MC 0.83 MK 0.99 NL 1.01 ! NY 1.00* OV 1.07 PT 0.96 SC 0.97 ! TS 1.00* WF 1.06 WZ 1.29 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 1.00 ! LA 0.99 MC 1.00* MK 0.95 NL 1.04 ! NY 1.00* OV 1.00 PT 1.02 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 GC 1.00* GG 1.00* ! HH 1.50 HN 0.98 KK 1.03 KP 1.00 ! LA 0.99 MC 0.63 MK 0.98 NL 0.96 ! NY 1.00* OV 1.00 PT 0.94 SC 0.99 ! TS 1.00* WF 1.00 WZ 1.43 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.211283Jy sigma=0.001483 ! Fit after self-cal, rms=0.217411Jy sigma=0.001457 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.824 mas, bmaj=8.319 mas, bpa=-10.87 degrees ! Estimated noise=1133.95 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 (8, -38). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00832373 Jy ! Component: 100 - total flux cleaned = 0.00936297 Jy ! Component: 150 - total flux cleaned = 0.00948253 Jy ! Component: 200 - total flux cleaned = 0.00967992 Jy ! Total flux subtracted in 200 components = 0.00967992 Jy ! Clean residual min=-0.004382 max=0.007426 Jy/beam ! Clean residual mean=0.001067 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 0.726515 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 68 components and 0.726515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217067Jy sigma=0.001454 ! Fit after self-cal, rms=0.217857Jy sigma=0.001453 ! 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=0.217857Jy sigma=0.001453 ! Fit after self-cal, rms=0.224147Jy sigma=0.001452 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.823 mas, bmaj=8.366 mas, bpa=-10.89 degrees ! Estimated noise=1133.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00236748 Jy ! Component: 100 - total flux cleaned = 0.0023614 Jy ! Component: 150 - total flux cleaned = 0.00236133 Jy ! Component: 200 - total flux cleaned = 0.00236507 Jy ! Total flux subtracted in 200 components = 0.00236507 Jy ! Clean residual min=-0.004626 max=0.007478 Jy/beam ! Clean residual mean=0.001031 rms=0.001691 Jy/beam ! Combined flux in latest and established models = 0.72888 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 75 components and 0.728881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224075Jy sigma=0.001452 ! Fit after self-cal, rms=0.224650Jy sigma=0.001452 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 (-16.5, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0075083 Jy ! Component: 100 - total flux cleaned = 0.0117027 Jy ! Component: 150 - total flux cleaned = 0.013309 Jy ! Component: 200 - total flux cleaned = 0.0143254 Jy ! Total flux subtracted in 200 components = 0.0143254 Jy ! Clean residual min=-0.004352 max=0.006073 Jy/beam ! Clean residual mean=0.000766 rms=0.001426 Jy/beam ! Combined flux in latest and established models = 0.743206 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 98 components and 0.743206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224313Jy sigma=0.001450 ! Fit after self-cal, rms=0.224345Jy sigma=0.001449 ! 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=0.224345Jy sigma=0.001449 ! Fit after self-cal, rms=0.233537Jy sigma=0.001449 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.825 mas, bmaj=8.382 mas, bpa=-10.88 degrees ! Estimated noise=1133.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0029437 Jy ! Component: 100 - total flux cleaned = 0.00460174 Jy ! Component: 150 - total flux cleaned = 0.00518277 Jy ! Component: 200 - total flux cleaned = 0.00552264 Jy ! Total flux subtracted in 200 components = 0.00552264 Jy ! Clean residual min=-0.004475 max=0.005790 Jy/beam ! Clean residual mean=0.000747 rms=0.001393 Jy/beam ! Combined flux in latest and established models = 0.748729 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 113 components and 0.748729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233435Jy sigma=0.001449 ! Fit after self-cal, rms=0.233557Jy sigma=0.001449 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 = 0.00060785 Jy ! Component: 100 - total flux cleaned = 0.000924322 Jy ! Component: 150 - total flux cleaned = 0.00116703 Jy ! Component: 200 - total flux cleaned = 0.00145738 Jy ! Total flux subtracted in 200 components = 0.00145738 Jy ! Clean residual min=-0.004477 max=0.005608 Jy/beam ! Clean residual mean=0.000721 rms=0.001385 Jy/beam ! Combined flux in latest and established models = 0.750186 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 120 components and 0.750186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233501Jy sigma=0.001449 ! Fit after self-cal, rms=0.233513Jy sigma=0.001449 ! 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=0.233513Jy sigma=0.001449 ! Fit after self-cal, rms=0.239002Jy sigma=0.001449 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.667 mas, bmaj=17.63 mas, bpa=0.5892 degrees ! Estimated noise=1460.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338151 Jy ! Component: 100 - total flux cleaned = 0.00432261 Jy ! Component: 150 - total flux cleaned = 0.00460762 Jy ! Component: 200 - total flux cleaned = 0.00474034 Jy ! Total flux subtracted in 200 components = 0.00474034 Jy ! Clean residual min=-0.003789 max=0.006876 Jy/beam ! Clean residual mean=0.001563 rms=0.001902 Jy/beam ! Combined flux in latest and established models = 0.754926 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 126 components and 0.754926 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238989Jy sigma=0.001448 ! Fit after self-cal, rms=0.238998Jy sigma=0.001448 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 = 0.000100559 Jy ! Component: 100 - total flux cleaned = 0.000236953 Jy ! Component: 150 - total flux cleaned = 0.000297962 Jy ! Component: 200 - total flux cleaned = 0.000356592 Jy ! Total flux subtracted in 200 components = 0.000356592 Jy ! Clean residual min=-0.003645 max=0.006629 Jy/beam ! Clean residual mean=0.001545 rms=0.001889 Jy/beam ! Combined flux in latest and established models = 0.755283 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 134 components and 0.755283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239015Jy sigma=0.001448 ! Fit after self-cal, rms=0.238992Jy sigma=0.001448 ! 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=2.826 mas, bmaj=8.389 mas, bpa=-10.85 degrees ! Estimated noise=1135.36 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.826 x 8.389 at -10.85 degrees (North through East) ! Clean map min=-0.0045652 max=0.56725 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=0.238992Jy sigma=0.001448 ! Fit after self-cal, rms=0.590738Jy sigma=0.001341 ! Inverting map and beam ! Estimated beam: bmin=2.826 mas, bmaj=8.329 mas, bpa=-10.77 degrees ! Estimated noise=1136.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000864007 Jy ! Component: 100 - total flux cleaned = -0.00100708 Jy ! Component: 150 - total flux cleaned = -0.00107182 Jy ! Component: 200 - total flux cleaned = -0.00112938 Jy ! Total flux subtracted in 200 components = -0.00112938 Jy ! Clean residual min=-0.004420 max=0.005332 Jy/beam ! Clean residual mean=0.000644 rms=0.001396 Jy/beam ! Combined flux in latest and established models = 0.754154 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 148 components and 0.754154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590680Jy sigma=0.001341 ! Fit after self-cal, rms=0.590696Jy sigma=0.001341 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.92055e-05 Jy ! Component: 100 - total flux cleaned = 5.922e-05 Jy ! Component: 150 - total flux cleaned = 0.000113181 Jy ! Component: 200 - total flux cleaned = 0.000113197 Jy ! Total flux subtracted in 200 components = 0.000113197 Jy ! Clean residual min=-0.004394 max=0.005283 Jy/beam ! Clean residual mean=0.000642 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 0.754267 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 153 components and 0.754267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590658Jy sigma=0.001341 ! Fit after self-cal, rms=0.590671Jy sigma=0.001341 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590671Jy sigma=0.001341 ! Fit after self-cal, rms=1.005580Jy sigma=0.001341 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=2.389 mas, bmaj=6.402 mas, bpa=-6.473 degrees ! Estimated noise=1623.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.42318 Jy ! Component: 100 - total flux cleaned = 0.542952 Jy ! Component: 150 - total flux cleaned = 0.607185 Jy ! Component: 200 - total flux cleaned = 0.645447 Jy ! Total flux subtracted in 200 components = 0.645447 Jy ! Clean residual min=-0.010920 max=0.020790 Jy/beam ! Clean residual mean=0.000232 rms=0.003459 Jy/beam ! Combined flux in latest and established models = 0.645447 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 0.645447 Jy ! Inverting map and beam ! Estimated beam: bmin=2.825 mas, bmaj=8.327 mas, bpa=-10.77 degrees ! Estimated noise=1136.47 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) ! Added new window around map position (-0.5, 5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0355125 Jy ! Component: 100 - total flux cleaned = 0.0535949 Jy ! Component: 150 - total flux cleaned = 0.065216 Jy ! Component: 200 - total flux cleaned = 0.0742272 Jy ! Total flux subtracted in 200 components = 0.0742272 Jy ! Clean residual min=-0.004978 max=0.007308 Jy/beam ! Clean residual mean=0.001226 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 0.719674 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 63 components and 0.719674 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=7.664 mas, bmaj=17.6 mas, bpa=0.6065 degrees ! Estimated noise=1463.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119556 Jy ! Component: 100 - total flux cleaned = 0.0195887 Jy ! Component: 150 - total flux cleaned = 0.0250827 Jy ! Component: 200 - total flux cleaned = 0.0291052 Jy ! Total flux subtracted in 200 components = 0.0291052 Jy ! Clean residual min=-0.004099 max=0.007391 Jy/beam ! Clean residual mean=0.001650 rms=0.001950 Jy/beam ! Combined flux in latest and established models = 0.74878 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 = 0.00295965 Jy ! Component: 100 - total flux cleaned = 0.00451538 Jy ! Component: 150 - total flux cleaned = 0.00505871 Jy ! Component: 200 - total flux cleaned = 0.00548288 Jy ! Total flux subtracted in 200 components = 0.00548288 Jy ! Clean residual min=-0.004065 max=0.007095 Jy/beam ! Clean residual mean=0.001433 rms=0.001915 Jy/beam ! Combined flux in latest and established models = 0.754262 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 108 components and 0.754262 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.825 mas, bmaj=8.327 mas, bpa=-10.77 degrees ! Estimated noise=1136.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000380714 Jy ! Component: 100 - total flux cleaned = -0.000540284 Jy ! Component: 150 - total flux cleaned = -0.000275969 Jy ! Component: 200 - total flux cleaned = -0.000152015 Jy ! Total flux subtracted in 200 components = -0.000152015 Jy ! Clean residual min=-0.004313 max=0.005813 Jy/beam ! Clean residual mean=0.000636 rms=0.001409 Jy/beam ! Combined flux in latest and established models = 0.75411 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 127 components and 0.75411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.006037Jy sigma=0.001342 ! Fit after self-cal, rms=1.006052Jy sigma=0.001341 wmodel J1625-2527_S_2001_07_05_pus_map.mod ! Writing 127 model components to file: J1625-2527_S_2001_07_05_pus_map.mod wobs J1625-2527_S_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J1625-2527_S_2001_07_05_pus_uvs.fits wwins J1625-2527_S_2001_07_05_pus_map.win ! wwins: Wrote 4 windows to J1625-2527_S_2001_07_05_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 = 0.00256839 Jy ! Component: 100 - total flux cleaned = 0.0049095 Jy ! Component: 150 - total flux cleaned = 0.00711022 Jy ! Component: 200 - total flux cleaned = 0.00919364 Jy ! Component: 250 - total flux cleaned = 0.0107833 Jy ! Component: 300 - total flux cleaned = 0.0120015 Jy ! Component: 350 - total flux cleaned = 0.0130279 Jy ! Component: 400 - total flux cleaned = 0.0141569 Jy ! Component: 450 - total flux cleaned = 0.0151795 Jy ! Component: 500 - total flux cleaned = 0.0160383 Jy ! Component: 550 - total flux cleaned = 0.0170016 Jy ! Component: 600 - total flux cleaned = 0.0176903 Jy ! Component: 650 - total flux cleaned = 0.0183632 Jy ! Component: 700 - total flux cleaned = 0.0190797 Jy ! Component: 750 - total flux cleaned = 0.0196635 Jy ! Component: 800 - total flux cleaned = 0.0202916 Jy ! Component: 850 - total flux cleaned = 0.0208513 Jy ! Component: 900 - total flux cleaned = 0.0213456 Jy ! Component: 950 - total flux cleaned = 0.0218856 Jy ! Component: 1000 - total flux cleaned = 0.0225207 Jy ! Component: 1050 - total flux cleaned = 0.0229889 Jy ! Component: 1100 - total flux cleaned = 0.023501 Jy ! Component: 1150 - total flux cleaned = 0.0241554 Jy ! Component: 1200 - total flux cleaned = 0.0245028 Jy ! Component: 1250 - total flux cleaned = 0.0249435 Jy ! Component: 1300 - total flux cleaned = 0.02533 Jy ! Component: 1350 - total flux cleaned = 0.025806 Jy ! Component: 1400 - total flux cleaned = 0.0261351 Jy ! Component: 1450 - total flux cleaned = 0.0265524 Jy ! Component: 1500 - total flux cleaned = 0.0268274 Jy ! Component: 1550 - total flux cleaned = 0.0271892 Jy ! Component: 1600 - total flux cleaned = 0.027502 Jy ! Component: 1650 - total flux cleaned = 0.027855 Jy ! Component: 1700 - total flux cleaned = 0.0280295 Jy ! Component: 1750 - total flux cleaned = 0.028417 Jy ! Component: 1800 - total flux cleaned = 0.0287571 Jy ! Component: 1850 - total flux cleaned = 0.0290928 Jy ! Component: 1900 - total flux cleaned = 0.0292999 Jy ! Component: 1950 - total flux cleaned = 0.029546 Jy ! Component: 2000 - total flux cleaned = 0.0297898 Jy ! Total flux subtracted in 2048 components = 0.0299906 Jy ! Clean residual min=-0.002594 max=0.002255 Jy/beam ! Clean residual mean=0.000217 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.784101 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 268 components and 0.784101 Jy wmap "J1625-2527_S_2001_07_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.825 x 8.327 at -10.77 degrees (North through East) ! Clean map min=-0.0036823 max=0.56946 Jy/beam ! Writing clean map to FITS file: J1625-2527_S_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.569455 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000774138 device "J1625-2527_S_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1625-2527_S_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.407831 0.407831 0.815662 1.63132 3.26265 6.5253 13.0506 26.1012 52.2024 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.569 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.825 x 8.327 at -10.77 degrees (North through East) ! Clean map min=-0.0036823 max=0.56946 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1625-2527_S_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1625-2527_S_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1625-2527_S_2001_07_05_pus_uvs.log closed on Mon Aug 13 12:54:44 2007