! Started logfile: J1427-4206_X_2001_10_29_pus_uvs.log on Mon Feb 25 16:47:48 2008 obs J1427-4206_X_2001_10_29_pus_uva.fits ! Reading UV FITS file: J1427-4206_X_2001_10_29_pus_uva.fits ! AN table 1: 7 integrations on 153 of 153 possible baselines. ! AN table 2: 17 integrations on 153 of 153 possible baselines. ! AN table 3: 25 integrations on 153 of 153 possible baselines. ! AN table 4: 16 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0311714 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1427-4206 ! ! 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 1970 lines of history. ! ! Reading 1240 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1427-4206_X_2001_10_29_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 0.200x0.200 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 126 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 331 telescope corrections were flagged in sub-array 3. ! A total of 288 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 331 telescope corrections were flagged in sub-array 3. ! A total of 288 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 331 telescope corrections were flagged in sub-array 3. ! A total of 288 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 331 telescope corrections were flagged in sub-array 3. ! A total of 288 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.519367Jy sigma=0.003816 ! Fit after self-cal, rms=0.415795Jy sigma=0.003495 ! 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=0.6966 mas, bmaj=10.37 mas, bpa=-13.24 degrees ! Estimated noise=3820.01 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.457225 Jy ! Component: 100 - total flux cleaned = 0.575819 Jy ! Total flux subtracted in 100 components = 0.575819 Jy ! Clean residual min=-0.040254 max=0.056481 Jy/beam ! Clean residual mean=0.000697 rms=0.017607 Jy/beam ! Combined flux in latest and established models = 0.575819 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.575819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185131Jy sigma=0.001572 ! Fit after self-cal, rms=0.184780Jy sigma=0.001569 ! 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=0.8021 mas, bmaj=10.76 mas, bpa=-12.24 degrees ! Estimated noise=2543.28 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 = 0.0912197 Jy ! Component: 100 - total flux cleaned = 0.127456 Jy ! Component: 150 - total flux cleaned = 0.14324 Jy ! Component: 200 - total flux cleaned = 0.146519 Jy ! Total flux subtracted in 200 components = 0.146519 Jy ! Clean residual min=-0.012305 max=0.012273 Jy/beam ! Clean residual mean=0.000340 rms=0.005135 Jy/beam ! Combined flux in latest and established models = 0.722338 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 48 components and 0.722338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138534Jy sigma=0.001146 ! Fit after self-cal, rms=0.138347Jy sigma=0.001144 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.95 LA 0.99 ! MA 1.00* MC 1.00* MK 0.97 NL 1.00* ! OV 1.07 PT 1.00 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 1.02 LA 0.96 ! MA 1.00* MC 1.00* MK 0.97 NL 1.00* ! OV 1.03 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.97 LA 1.00 ! MA 1.00* MC 1.00* MK 1.01 NL 1.00* ! OV 0.98 PT 0.99 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GG 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 0.97 LA 0.99 ! MA 1.00* MC 1.00* MK 1.04 NL 1.00* ! OV 1.00 PT 0.97 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 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=0.138347Jy sigma=0.001144 ! Fit after self-cal, rms=0.135157Jy sigma=0.001125 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8031 mas, bmaj=10.85 mas, bpa=-12.22 degrees ! Estimated noise=2506.67 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 = -0.00235994 Jy ! Component: 100 - total flux cleaned = 0.000518917 Jy ! Component: 150 - total flux cleaned = 0.00229887 Jy ! Component: 200 - total flux cleaned = 0.00444382 Jy ! Total flux subtracted in 200 components = 0.00444382 Jy ! Clean residual min=-0.004368 max=0.004261 Jy/beam ! Clean residual mean=0.000166 rms=0.001860 Jy/beam ! Combined flux in latest and established models = 0.726782 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 95 components and 0.726782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133551Jy sigma=0.001111 ! Fit after self-cal, rms=0.133541Jy sigma=0.001110 ! 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=0.133541Jy sigma=0.001110 ! Fit after self-cal, rms=0.133290Jy sigma=0.001110 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8023 mas, bmaj=10.84 mas, bpa=-12.22 degrees ! Estimated noise=2503.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000802747 Jy ! Component: 100 - total flux cleaned = 0.00310999 Jy ! Component: 150 - total flux cleaned = 0.00474524 Jy ! Component: 200 - total flux cleaned = 0.00525184 Jy ! Total flux subtracted in 200 components = 0.00525184 Jy ! Clean residual min=-0.002830 max=0.002803 Jy/beam ! Clean residual mean=0.000123 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 0.732034 Jy selfcal ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 139 components and 0.732034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132768Jy sigma=0.001106 ! Fit after self-cal, rms=0.132756Jy sigma=0.001106 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 = 0.00149615 Jy ! Component: 100 - total flux cleaned = 0.00204802 Jy ! Component: 150 - total flux cleaned = 0.00216955 Jy ! Component: 200 - total flux cleaned = 0.00278816 Jy ! Total flux subtracted in 200 components = 0.00278816 Jy ! Clean residual min=-0.002028 max=0.002029 Jy/beam ! Clean residual mean=0.000094 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.734822 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 172 components and 0.734822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132498Jy sigma=0.001104 ! Fit after self-cal, rms=0.132492Jy sigma=0.001104 ! 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=0.132492Jy sigma=0.001104 ! Fit after self-cal, rms=0.132319Jy sigma=0.001104 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8014 mas, bmaj=10.84 mas, bpa=-12.23 degrees ! Estimated noise=2501 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.7515e-05 Jy ! Component: 100 - total flux cleaned = -4.41143e-05 Jy ! Component: 150 - total flux cleaned = 0.000413263 Jy ! Component: 200 - total flux cleaned = 0.000761788 Jy ! Total flux subtracted in 200 components = 0.000761788 Jy ! Clean residual min=-0.001982 max=0.002000 Jy/beam ! Clean residual mean=0.000047 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.735584 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 201 components and 0.735584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132135Jy sigma=0.001102 ! Fit after self-cal, rms=0.132127Jy sigma=0.001102 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 = 0.00116339 Jy ! Component: 100 - total flux cleaned = 0.00206955 Jy ! Component: 150 - total flux cleaned = 0.00232836 Jy ! Component: 200 - total flux cleaned = 0.00233425 Jy ! Total flux subtracted in 200 components = 0.00233425 Jy ! Clean residual min=-0.001481 max=0.001483 Jy/beam ! Clean residual mean=0.000046 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.737918 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 230 components and 0.737918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132024Jy sigma=0.001101 ! Fit after self-cal, rms=0.132019Jy sigma=0.001101 ! 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=0.132019Jy sigma=0.001101 ! Fit after self-cal, rms=0.132032Jy sigma=0.001101 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.985 mas, bmaj=12.58 mas, bpa=-0.776 degrees ! Estimated noise=3318.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00105358 Jy ! Component: 100 - total flux cleaned = -0.00130097 Jy ! Component: 150 - total flux cleaned = -0.00130468 Jy ! Component: 200 - total flux cleaned = -0.0011722 Jy ! Total flux subtracted in 200 components = -0.0011722 Jy ! Clean residual min=-0.003061 max=0.003199 Jy/beam ! Clean residual mean=0.000061 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 0.736746 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 256 components and 0.736746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132002Jy sigma=0.001101 ! Fit after self-cal, rms=0.131989Jy sigma=0.001101 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 = -0.000368126 Jy ! Component: 100 - total flux cleaned = -0.000220387 Jy ! Component: 150 - total flux cleaned = -0.0010771 Jy ! Component: 200 - total flux cleaned = -0.00231981 Jy ! Total flux subtracted in 200 components = -0.00231981 Jy ! Clean residual min=-0.000968 max=0.000930 Jy/beam ! Clean residual mean=0.000046 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.734426 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 283 components and 0.734426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131960Jy sigma=0.001101 ! Fit after self-cal, rms=0.131955Jy sigma=0.001101 ! 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=0.801 mas, bmaj=10.83 mas, bpa=-12.23 degrees ! Estimated noise=2500.83 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.801 x 10.83 at -12.23 degrees (North through East) ! Clean map min=-0.0079765 max=0.57849 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=0.131955Jy sigma=0.001101 ! Fit after self-cal, rms=0.115281Jy sigma=0.000932 ! Inverting map and beam ! Estimated beam: bmin=0.8003 mas, bmaj=10.83 mas, bpa=-12.23 degrees ! Estimated noise=2502.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125016 Jy ! Component: 100 - total flux cleaned = 0.00176861 Jy ! Component: 150 - total flux cleaned = 0.00185076 Jy ! Component: 200 - total flux cleaned = 0.00151721 Jy ! Total flux subtracted in 200 components = 0.00151721 Jy ! Clean residual min=-0.001475 max=0.001452 Jy/beam ! Clean residual mean=0.000007 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.735943 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 313 components and 0.735943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115151Jy sigma=0.000931 ! Fit after self-cal, rms=0.115146Jy sigma=0.000931 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000170305 Jy ! Component: 100 - total flux cleaned = 0.000243 Jy ! Component: 150 - total flux cleaned = 4.00277e-05 Jy ! Component: 200 - total flux cleaned = -0.00030264 Jy ! Total flux subtracted in 200 components = -0.00030264 Jy ! Clean residual min=-0.001157 max=0.001144 Jy/beam ! Clean residual mean=0.000008 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.73564 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 333 components and 0.73564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115068Jy sigma=0.000930 ! Fit after self-cal, rms=0.115066Jy sigma=0.000930 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115066Jy sigma=0.000930 ! Fit after self-cal, rms=0.115065Jy sigma=0.000930 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=0.6956 mas, bmaj=10.41 mas, bpa=-13.2 degrees ! Estimated noise=3772.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.45116 Jy ! Component: 100 - total flux cleaned = 0.56961 Jy ! Component: 150 - total flux cleaned = 0.636075 Jy ! Component: 200 - total flux cleaned = 0.6673 Jy ! Total flux subtracted in 200 components = 0.6673 Jy ! Clean residual min=-0.021119 max=0.021056 Jy/beam ! Clean residual mean=0.000319 rms=0.007957 Jy/beam ! Combined flux in latest and established models = 0.6673 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.6673 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7999 mas, bmaj=10.83 mas, bpa=-12.23 degrees ! Estimated noise=2500.87 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 = 0.0248639 Jy ! Component: 100 - total flux cleaned = 0.0314611 Jy ! Component: 150 - total flux cleaned = 0.0388322 Jy ! Component: 200 - total flux cleaned = 0.0446519 Jy ! Total flux subtracted in 200 components = 0.0446519 Jy ! Clean residual min=-0.010564 max=0.010545 Jy/beam ! Clean residual mean=0.000149 rms=0.003740 Jy/beam ! Combined flux in latest and established models = 0.711952 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 57 components and 0.711951 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=2.979 mas, bmaj=12.55 mas, bpa=-0.8102 degrees ! Estimated noise=3327.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00931596 Jy ! Component: 100 - total flux cleaned = -0.0105987 Jy ! Component: 150 - total flux cleaned = -0.0122429 Jy ! Component: 200 - total flux cleaned = -0.0117266 Jy ! Total flux subtracted in 200 components = -0.0117266 Jy ! Clean residual min=-0.009182 max=0.008737 Jy/beam ! Clean residual mean=0.000166 rms=0.003403 Jy/beam ! Combined flux in latest and established models = 0.700225 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 = -0.000694305 Jy ! Component: 100 - total flux cleaned = -0.00178501 Jy ! Component: 150 - total flux cleaned = -0.00172907 Jy ! Component: 200 - total flux cleaned = -0.00145979 Jy ! Total flux subtracted in 200 components = -0.00145979 Jy ! Clean residual min=-0.055747 max=0.054445 Jy/beam ! Clean residual mean=0.000102 rms=0.017294 Jy/beam ! Combined flux in latest and established models = 0.698765 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 118 components and 0.698765 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7999 mas, bmaj=10.83 mas, bpa=-12.23 degrees ! Estimated noise=2500.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000379717 Jy ! Component: 100 - total flux cleaned = -0.000410513 Jy ! Component: 150 - total flux cleaned = -0.00312423 Jy ! Component: 200 - total flux cleaned = -0.00596594 Jy ! Total flux subtracted in 200 components = -0.00596594 Jy ! Clean residual min=-0.059886 max=0.058361 Jy/beam ! Clean residual mean=0.000037 rms=0.014261 Jy/beam ! Combined flux in latest and established models = 0.692799 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 139 components and 0.692799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149835Jy sigma=0.001222 ! Fit after self-cal, rms=0.146315Jy sigma=0.001181 wmodel J1427-4206_X_2001_10_29_pus_map.mod ! Writing 139 model components to file: J1427-4206_X_2001_10_29_pus_map.mod wobs J1427-4206_X_2001_10_29_pus_uvs.fits ! Writing UV FITS file: J1427-4206_X_2001_10_29_pus_uvs.fits wwins J1427-4206_X_2001_10_29_pus_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1427-4206_X_2001_10_29_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7999 x 10.83 at -12.23 degrees (North through East) ! Clean map min=-0.044548 max=0.53031 Jy/beam ! Writing clean map to FITS file: J1427-4206_X_2001_10_29_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.53031 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00949474 device "J1427-4206_X_2001_10_29_pus\_map.eps/VPS" ! Attempting to open device: 'J1427-4206_X_2001_10_29_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.37123 5.37123 10.7425 21.4849 42.9699 85.9398 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0284 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.53 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7999 x 10.83 at -12.23 degrees (North through East) ! Clean map min=-0.044548 max=0.53031 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1427-4206_X_2001_10_29_pus\_map.gif/vgif" ! Attempting to open device: 'J1427-4206_X_2001_10_29_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1427-4206_X_2001_10_29_pus_uvs.log closed on Mon Feb 25 16:47:54 2008