! Started logfile: J1924-2914_X_2003_06_18_pus_uvs.log on Wed Jan 17 18:14:34 2007 obs J1924-2914_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_2003_06_18_pus_uva.fits ! AN table 1: Unused. ! AN table 2: Unused. ! AN table 3: 25 integrations on 153 of 153 possible baselines. ! AN table 4: Unused. ! AN table 5: 120 integrations on 153 of 153 possible baselines. ! AN table 6: 48 integrations on 153 of 153 possible baselines. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.211148 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2231 lines of history. ! ! Reading 24940 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float taper_size taper_size = 70. 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 = 256x256 pixels with 0.200x0.200 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 285 telescope corrections were flagged in sub-array 1. ! A total of 1553 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 285 telescope corrections were flagged in sub-array 1. ! A total of 1553 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 287 telescope corrections were flagged in sub-array 1. ! A total of 1553 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 285 telescope corrections were flagged in sub-array 1. ! A total of 1553 telescope corrections were flagged in sub-array 2. ! A total of 727 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=5.231610Jy sigma=0.062412 ! Fit after self-cal, rms=4.816928Jy sigma=0.058004 ! 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=0.7719 mas, bmaj=2.681 mas, bpa=5.556 degrees ! Estimated noise=898.485 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 = 4.27656 Jy ! Component: 100 - total flux cleaned = 5.21314 Jy ! Total flux subtracted in 100 components = 5.21314 Jy ! Clean residual min=-0.168837 max=0.339152 Jy/beam ! Clean residual mean=0.008818 rms=0.061252 Jy/beam ! Combined flux in latest and established models = 5.21314 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 5.21314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.338114Jy sigma=0.016584 ! Fit after self-cal, rms=1.337629Jy sigma=0.016577 ! 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=1.064 mas, bmaj=3.457 mas, bpa=-0.9121 degrees ! Estimated noise=554.127 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 = 0.582819 Jy ! Component: 100 - total flux cleaned = 0.880281 Jy ! Component: 150 - total flux cleaned = 1.04936 Jy ! Component: 200 - total flux cleaned = 1.14615 Jy ! Total flux subtracted in 200 components = 1.14615 Jy ! Clean residual min=-0.229438 max=0.371402 Jy/beam ! Clean residual mean=0.024220 rms=0.100308 Jy/beam ! Combined flux in latest and established models = 6.35928 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 21 components and 6.35928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.129886Jy sigma=0.013001 ! Fit after self-cal, rms=1.126626Jy sigma=0.012969 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GG 1.00* HN 1.19 ! KK 1.00* KP 1.31 LA 1.07 MA 1.00* ! MK 1.00* NL 1.94 ON 1.00* OV 1.00* ! PT 1.03 SC 0.86 TC 1.00* TS 1.00* ! WF 0.98 WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.90 GG 1.00* HN 1.03 ! KK 1.00* KP 1.01 LA 0.99 MA 1.00* ! MK 1.00* NL 1.09 ON 1.00* OV 1.00 ! PT 0.93 SC 0.97 TC 1.00* TS 1.00* ! WF 0.93 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.95 GG 1.00* HN 1.00* ! KK 0.98 KP 0.97 LA 0.97 MA 1.00* ! MK 0.89 NL 1.30 ON 1.00* OV 0.93 ! PT 0.89 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GG 1.00* HN 1.21 ! KK 1.00* KP 1.23 LA 1.08 MA 1.00* ! MK 1.00* NL 1.86 ON 1.00* OV 1.00* ! PT 1.07 SC 0.82 TC 1.00* TS 1.00* ! WF 0.92 WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.90 GG 1.00* HN 1.04 ! KK 1.00* KP 0.96 LA 1.00 MA 1.00* ! MK 1.00* NL 1.04 ON 1.00* OV 0.99 ! PT 0.97 SC 0.93 TC 1.00* TS 1.00* ! WF 0.95 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.94 GG 1.00* HN 1.00* ! KK 0.97 KP 0.92 LA 0.97 MA 1.00* ! MK 0.90 NL 1.26 ON 1.00* OV 0.92 ! PT 0.93 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GG 1.00* HN 1.17 ! KK 1.00* KP 1.26 LA 1.07 MA 1.00* ! MK 1.00* NL 1.79 ON 1.00* OV 1.00* ! PT 1.09 SC 0.83 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.88 GG 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 0.99 MA 1.00* ! MK 1.00* NL 1.01 ON 1.00* OV 1.02 ! PT 0.99 SC 0.95 TC 1.00* TS 1.00* ! WF 0.90 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.93 GG 1.00* HN 1.00* ! KK 1.02 KP 0.95 LA 0.98 MA 1.00* ! MK 0.90 NL 1.23 ON 1.00* OV 0.96 ! PT 0.95 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GG 1.00* HN 1.20 ! KK 1.00* KP 1.20 LA 1.04 MA 1.00* ! MK 1.00* NL 1.75 ON 1.00* OV 1.00* ! PT 1.09 SC 0.88 TC 1.00* TS 1.00* ! WF 0.94 WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.87 GG 1.00* HN 1.05 ! KK 1.00* KP 0.95 LA 0.97 MA 1.00* ! MK 1.00* NL 1.01 ON 1.00* OV 1.00 ! PT 1.00 SC 0.99 TC 1.00* TS 1.00* ! WF 0.89 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.91 GG 1.00* HN 1.00* ! KK 0.99 KP 0.91 LA 0.96 MA 1.00* ! MK 0.92 NL 1.24 ON 1.00* OV 0.95 ! PT 0.95 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=1.126626Jy sigma=0.012969 ! Fit after self-cal, rms=0.814738Jy sigma=0.008925 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.072 mas, bmaj=3.659 mas, bpa=-1.386 degrees ! Estimated noise=556.167 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 = -0.0991821 Jy ! Component: 100 - total flux cleaned = -0.108728 Jy ! Component: 150 - total flux cleaned = -0.110971 Jy ! Component: 200 - total flux cleaned = -0.109119 Jy ! Total flux subtracted in 200 components = -0.109119 Jy ! Clean residual min=-0.098097 max=0.342747 Jy/beam ! Clean residual mean=0.021941 rms=0.077059 Jy/beam ! Combined flux in latest and established models = 6.25017 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 32 components and 6.25016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.784999Jy sigma=0.008712 ! Fit after self-cal, rms=0.787328Jy sigma=0.008706 ! 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=0.787328Jy sigma=0.008706 ! Fit after self-cal, rms=0.756119Jy sigma=0.008416 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.074 mas, bmaj=3.67 mas, bpa=-1.284 degrees ! Estimated noise=552.245 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0700774 Jy ! Component: 100 - total flux cleaned = -0.0824081 Jy ! Component: 150 - total flux cleaned = -0.0824754 Jy ! Component: 200 - total flux cleaned = -0.0836005 Jy ! Total flux subtracted in 200 components = -0.0836005 Jy ! Clean residual min=-0.087731 max=0.337866 Jy/beam ! Clean residual mean=0.022874 rms=0.075279 Jy/beam ! Combined flux in latest and established models = 6.16656 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 39 components and 6.16656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.746625Jy sigma=0.008351 ! Fit after self-cal, rms=0.745920Jy sigma=0.008349 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 (3.4, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.340703 Jy ! Component: 100 - total flux cleaned = 0.540904 Jy ! Component: 150 - total flux cleaned = 0.667552 Jy ! Component: 200 - total flux cleaned = 0.749836 Jy ! Total flux subtracted in 200 components = 0.749836 Jy ! Clean residual min=-0.056660 max=0.112105 Jy/beam ! Clean residual mean=0.004229 rms=0.028512 Jy/beam ! Combined flux in latest and established models = 6.9164 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 77 components and 6.9164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.582685Jy sigma=0.005523 ! Fit after self-cal, rms=0.559543Jy sigma=0.005201 ! Inverting map ! Added new window around map position (1.2, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.129387 Jy ! Component: 100 - total flux cleaned = 0.18363 Jy ! Component: 150 - total flux cleaned = 0.208275 Jy ! Component: 200 - total flux cleaned = 0.227477 Jy ! Total flux subtracted in 200 components = 0.227477 Jy ! Clean residual min=-0.061329 max=0.080330 Jy/beam ! Clean residual mean=-0.001864 rms=0.020757 Jy/beam ! Combined flux in latest and established models = 7.14388 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 107 components and 7.14388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.527009Jy sigma=0.004696 ! Fit after self-cal, rms=0.520267Jy sigma=0.004610 ! 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=0.520267Jy sigma=0.004610 ! Fit after self-cal, rms=0.452274Jy sigma=0.003465 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.677 mas, bpa=-1.219 degrees ! Estimated noise=551.041 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0568108 Jy ! Component: 100 - total flux cleaned = 0.0804111 Jy ! Component: 150 - total flux cleaned = 0.0968055 Jy ! Component: 200 - total flux cleaned = 0.105836 Jy ! Total flux subtracted in 200 components = 0.105836 Jy ! Clean residual min=-0.029847 max=0.063755 Jy/beam ! Clean residual mean=0.001175 rms=0.013325 Jy/beam ! Combined flux in latest and established models = 7.24971 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 133 components and 7.24971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.435122Jy sigma=0.003120 ! Fit after self-cal, rms=0.431082Jy sigma=0.003069 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 (5.8, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0572521 Jy ! Component: 100 - total flux cleaned = 0.0750856 Jy ! Component: 150 - total flux cleaned = 0.0810544 Jy ! Component: 200 - total flux cleaned = 0.0831328 Jy ! Total flux subtracted in 200 components = 0.0831328 Jy ! Clean residual min=-0.029080 max=0.022890 Jy/beam ! Clean residual mean=-0.001124 rms=0.008803 Jy/beam ! Combined flux in latest and established models = 7.33284 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 158 components and 7.33284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.421472Jy sigma=0.002873 ! Fit after self-cal, rms=0.420841Jy sigma=0.002864 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.420841Jy sigma=0.002864 ! Fit after self-cal, rms=0.420690Jy sigma=0.002805 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.229 mas, bmaj=5.474 mas, bpa=-5.894 degrees ! Estimated noise=635.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0363702 Jy ! Component: 100 - total flux cleaned = 0.0351418 Jy ! Component: 150 - total flux cleaned = 0.0340697 Jy ! Component: 200 - total flux cleaned = 0.0331278 Jy ! Total flux subtracted in 200 components = 0.0331278 Jy ! Clean residual min=-0.024397 max=0.022246 Jy/beam ! Clean residual mean=-0.001120 rms=0.008238 Jy/beam ! Combined flux in latest and established models = 7.36597 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 183 components and 7.36597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.416051Jy sigma=0.002712 ! Fit after self-cal, rms=0.414639Jy sigma=0.002700 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 = 0.00698497 Jy ! Component: 100 - total flux cleaned = 0.00467323 Jy ! Component: 150 - total flux cleaned = 0.00193726 Jy ! Component: 200 - total flux cleaned = 5.23092e-05 Jy ! Total flux subtracted in 200 components = 5.23092e-05 Jy ! Clean residual min=-0.023329 max=0.018694 Jy/beam ! Clean residual mean=-0.001372 rms=0.007070 Jy/beam ! Combined flux in latest and established models = 7.36602 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 203 components and 7.36602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.412785Jy sigma=0.002666 ! Fit after self-cal, rms=0.412277Jy sigma=0.002662 ! 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=1.073 mas, bmaj=3.679 mas, bpa=-1.182 degrees ! Estimated noise=550.752 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.073 x 3.679 at -1.182 degrees (North through East) ! Clean map min=-0.020267 max=5.4696 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=0.412277Jy sigma=0.002662 ! Fit after self-cal, rms=1.146435Jy sigma=0.002001 ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.682 mas, bpa=-1.176 degrees ! Estimated noise=550.419 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000543644 Jy ! Component: 100 - total flux cleaned = -0.00191735 Jy ! Component: 150 - total flux cleaned = -0.00264371 Jy ! Component: 200 - total flux cleaned = -0.00332564 Jy ! Total flux subtracted in 200 components = -0.00332564 Jy ! Clean residual min=-0.018138 max=0.018040 Jy/beam ! Clean residual mean=-0.000285 rms=0.005535 Jy/beam ! Combined flux in latest and established models = 7.3627 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 221 components and 7.3627 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.145560Jy sigma=0.001932 ! Fit after self-cal, rms=1.145714Jy sigma=0.001929 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00405321 Jy ! Component: 100 - total flux cleaned = 0.00404061 Jy ! Component: 150 - total flux cleaned = 0.00346722 Jy ! Component: 200 - total flux cleaned = 0.00291836 Jy ! Total flux subtracted in 200 components = 0.00291836 Jy ! Clean residual min=-0.017045 max=0.017551 Jy/beam ! Clean residual mean=-0.000414 rms=0.005032 Jy/beam ! Combined flux in latest and established models = 7.36562 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 231 components and 7.36561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.145257Jy sigma=0.001888 ! Fit after self-cal, rms=1.145347Jy sigma=0.001886 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.145347Jy sigma=0.001886 ! Fit after self-cal, rms=1.173488Jy sigma=0.001878 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=0.7871 mas, bmaj=2.811 mas, bpa=4.455 degrees ! Estimated noise=895.185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.21569 Jy ! Component: 100 - total flux cleaned = 5.14047 Jy ! Component: 150 - total flux cleaned = 5.41956 Jy ! Component: 200 - total flux cleaned = 5.61171 Jy ! Total flux subtracted in 200 components = 5.61171 Jy ! Clean residual min=-0.049207 max=0.113930 Jy/beam ! Clean residual mean=0.006617 rms=0.027321 Jy/beam ! Combined flux in latest and established models = 5.61171 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 5.61171 Jy ! Inverting map and beam ! Estimated beam: bmin=1.074 mas, bmaj=3.684 mas, bpa=-1.163 degrees ! Estimated noise=550.403 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 = 0.433162 Jy ! Component: 100 - total flux cleaned = 0.719817 Jy ! Component: 150 - total flux cleaned = 0.926336 Jy ! Component: 200 - total flux cleaned = 1.0824 Jy ! Total flux subtracted in 200 components = 1.0824 Jy ! Clean residual min=-0.027583 max=0.094153 Jy/beam ! Clean residual mean=0.017411 rms=0.030379 Jy/beam ! Combined flux in latest and established models = 6.69411 Jy ! Adding 125 model components to the UV plane model. ! The established model now contains 141 components and 6.69411 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.231 mas, bmaj=5.481 mas, bpa=-5.87 degrees ! Estimated noise=634.269 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.193654 Jy ! Component: 100 - total flux cleaned = 0.323608 Jy ! Component: 150 - total flux cleaned = 0.414687 Jy ! Component: 200 - total flux cleaned = 0.480104 Jy ! Total flux subtracted in 200 components = 0.480104 Jy ! Clean residual min=-0.016699 max=0.040864 Jy/beam ! Clean residual mean=0.008463 rms=0.014675 Jy/beam ! Combined flux in latest and established models = 7.17421 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 = 0.0476431 Jy ! Component: 100 - total flux cleaned = 0.0832728 Jy ! Component: 150 - total flux cleaned = 0.110376 Jy ! Component: 200 - total flux cleaned = 0.13108 Jy ! Total flux subtracted in 200 components = 0.13108 Jy ! Clean residual min=-0.015287 max=0.023012 Jy/beam ! Clean residual mean=0.002405 rms=0.006671 Jy/beam ! Combined flux in latest and established models = 7.30529 Jy ! Adding 154 model components to the UV plane model. ! The established model now contains 280 components and 7.30529 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.074 mas, bmaj=3.684 mas, bpa=-1.163 degrees ! Estimated noise=550.403 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00573058 Jy ! Component: 100 - total flux cleaned = 0.0108437 Jy ! Component: 150 - total flux cleaned = 0.0147305 Jy ! Component: 200 - total flux cleaned = 0.0187481 Jy ! Total flux subtracted in 200 components = 0.0187481 Jy ! Clean residual min=-0.012476 max=0.022040 Jy/beam ! Clean residual mean=0.000852 rms=0.004874 Jy/beam ! Combined flux in latest and established models = 7.32404 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 295 components and 7.32404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.173328Jy sigma=0.001826 ! Fit after self-cal, rms=1.173162Jy sigma=0.001791 wmodel J1924-2914_X_2003_06_18_pus_map.mod ! Writing 295 model components to file: J1924-2914_X_2003_06_18_pus_map.mod wobs J1924-2914_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_2003_06_18_pus_uvs.fits wwins J1924-2914_X_2003_06_18_pus_map.win ! wwins: Wrote 4 windows to J1924-2914_X_2003_06_18_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=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00902337 Jy ! Component: 100 - total flux cleaned = 0.0140492 Jy ! Component: 150 - total flux cleaned = 0.0158058 Jy ! Component: 200 - total flux cleaned = 0.0177006 Jy ! Component: 250 - total flux cleaned = 0.0190448 Jy ! Component: 300 - total flux cleaned = 0.0203227 Jy ! Component: 350 - total flux cleaned = 0.021136 Jy ! Component: 400 - total flux cleaned = 0.02192 Jy ! Component: 450 - total flux cleaned = 0.022871 Jy ! Component: 500 - total flux cleaned = 0.0236078 Jy ! Component: 550 - total flux cleaned = 0.0244993 Jy ! Component: 600 - total flux cleaned = 0.0251888 Jy ! Component: 650 - total flux cleaned = 0.0256911 Jy ! Component: 700 - total flux cleaned = 0.0261794 Jy ! Component: 750 - total flux cleaned = 0.0264968 Jy ! Component: 800 - total flux cleaned = 0.0268074 Jy ! Component: 850 - total flux cleaned = 0.0269595 Jy ! Component: 900 - total flux cleaned = 0.027107 Jy ! Component: 950 - total flux cleaned = 0.0272525 Jy ! Component: 1000 - total flux cleaned = 0.0273937 Jy ! Total flux subtracted in 1024 components = 0.0271142 Jy ! Clean residual min=-0.007657 max=0.008060 Jy/beam ! Clean residual mean=0.000011 rms=0.003089 Jy/beam ! Combined flux in latest and established models = 7.35116 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 349 components and 7.35116 Jy wmap "J1924-2914_X_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.074 x 3.684 at -1.163 degrees (North through East) ! Clean map min=-0.010899 max=5.4681 Jy/beam ! Writing clean map to FITS file: J1924-2914_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 5.46809 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00309319 device "J1924-2914_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.169704 0.169704 0.339408 0.678816 1.35763 2.71526 5.43053 10.8611 21.7221 43.4442 86.8884 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0092 print "peak=",int(1000*peak_flux)/1000 ! peak= 5.468 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.074 x 3.684 at -1.163 degrees (North through East) ! Clean map min=-0.010899 max=5.4681 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 18:15:22 2007