! Started logfile: J1957-3845_S_1999_12_20_pus_uvs.log on Thu Dec 20 15:33:33 2007 obs J1957-3845_S_1999_12_20_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_1999_12_20_pus_uva.fits ! AN table 1: 20 integrations on 190 of 190 possible baselines. ! AN table 2: 36 integrations on 190 of 190 possible baselines. ! AN table 3: 22 integrations on 190 of 190 possible baselines. ! AN table 4: 96 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0305808 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2298 lines of history. ! ! Reading 4044 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 J1957-3845_S_1999_12_20_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 312 telescope corrections were flagged in sub-array 1. ! A total of 720 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 720 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 720 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 312 telescope corrections were flagged in sub-array 1. ! A total of 720 telescope corrections were flagged in sub-array 2. ! A total of 404 telescope corrections were flagged in sub-array 3. ! A total of 1649 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.748445Jy sigma=0.004915 ! Fit after self-cal, rms=0.349688Jy sigma=0.002408 ! 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=2.641 mas, bmaj=11.07 mas, bpa=-0.7811 degrees ! Estimated noise=2452.69 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 = 0.938863 Jy ! Component: 100 - total flux cleaned = 1.14363 Jy ! Total flux subtracted in 100 components = 1.14363 Jy ! Clean residual min=-0.030609 max=0.063632 Jy/beam ! Clean residual mean=0.000613 rms=0.013039 Jy/beam ! Combined flux in latest and established models = 1.14363 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 1.14363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271193Jy sigma=0.001733 ! Fit after self-cal, rms=0.271198Jy sigma=0.001733 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.275 mas, bmaj=13.73 mas, bpa=0.3604 degrees ! Estimated noise=1605.98 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.098107 Jy ! Component: 100 - total flux cleaned = 0.152359 Jy ! Component: 150 - total flux cleaned = 0.184323 Jy ! Component: 200 - total flux cleaned = 0.203165 Jy ! Total flux subtracted in 200 components = 0.203165 Jy ! Clean residual min=-0.020553 max=0.032079 Jy/beam ! Clean residual mean=-0.000130 rms=0.007965 Jy/beam ! Combined flux in latest and established models = 1.34679 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 1.34679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235906Jy sigma=0.001383 ! Fit after self-cal, rms=0.235878Jy sigma=0.001383 ! 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 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.02 LA 0.98 ! MC 1.00* MK 0.98 NY 1.00* ON 1.00* ! OV 0.95 PT 1.00 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.01 TS 1.00* ! WF 1.25 WZ 1.00* GN 1.14 NL 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 0.99 LA 0.95 ! MC 1.00* MK 0.94 NY 1.00* ON 1.00* ! OV 0.96 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.03 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.97 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.94 PT 0.99 SC 0.98 TS 1.00* ! WF 1.18 WZ 1.00* GN 1.10 NL 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 0.98 LA 1.00 ! MC 1.00* MK 0.97 NY 1.00* ON 1.00* ! OV 0.98 PT 0.92 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.00 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.01 PT 0.96 SC 1.04 TS 1.00* ! WF 1.27 WZ 1.00* GN 1.08 NL 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.07 KP 1.00 LA 0.99 ! MC 1.00* MK 1.02 NY 1.00* ON 1.00* ! OV 0.96 PT 0.95 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.96 PT 1.00 SC 1.02 TS 1.00* ! WF 1.26 WZ 1.00* GN 1.05 NL 0.96 ! ! ! Fit before self-cal, rms=0.235878Jy sigma=0.001383 ! Fit after self-cal, rms=0.232981Jy sigma=0.001276 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.496 mas, bmaj=15.25 mas, bpa=-3.729 degrees ! Estimated noise=1718.9 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 = -0.00844696 Jy ! Component: 100 - total flux cleaned = -0.00846248 Jy ! Component: 150 - total flux cleaned = -0.00873684 Jy ! Component: 200 - total flux cleaned = -0.00896048 Jy ! Total flux subtracted in 200 components = -0.00896048 Jy ! Clean residual min=-0.013619 max=0.011492 Jy/beam ! Clean residual mean=-0.000207 rms=0.003773 Jy/beam ! Combined flux in latest and established models = 1.33783 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 22 components and 1.33783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232106Jy sigma=0.001270 ! Fit after self-cal, rms=0.232207Jy sigma=0.001270 ! 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=0.232207Jy sigma=0.001270 ! Fit after self-cal, rms=0.232251Jy sigma=0.001268 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.493 mas, bmaj=15.23 mas, bpa=-3.694 degrees ! Estimated noise=1717.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00420346 Jy ! Component: 100 - total flux cleaned = -0.00445895 Jy ! Component: 150 - total flux cleaned = -0.0046632 Jy ! Component: 200 - total flux cleaned = -0.00483485 Jy ! Total flux subtracted in 200 components = -0.00483485 Jy ! Clean residual min=-0.012578 max=0.010326 Jy/beam ! Clean residual mean=-0.000229 rms=0.003346 Jy/beam ! Combined flux in latest and established models = 1.333 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 1.333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231755Jy sigma=0.001265 ! Fit after self-cal, rms=0.231743Jy sigma=0.001265 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 = 5.4741e-05 Jy ! Component: 100 - total flux cleaned = -0.000362309 Jy ! Component: 150 - total flux cleaned = -0.000741771 Jy ! Component: 200 - total flux cleaned = -0.000974645 Jy ! Total flux subtracted in 200 components = -0.000974645 Jy ! Clean residual min=-0.012159 max=0.010383 Jy/beam ! Clean residual mean=-0.000232 rms=0.003277 Jy/beam ! Combined flux in latest and established models = 1.33202 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 1.33202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231577Jy sigma=0.001263 ! Fit after self-cal, rms=0.231560Jy sigma=0.001263 ! 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=0.231560Jy sigma=0.001263 ! Fit after self-cal, rms=0.232107Jy sigma=0.001262 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.488 mas, bmaj=15.21 mas, bpa=-3.68 degrees ! Estimated noise=1717.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00207762 Jy ! Component: 100 - total flux cleaned = -0.00227749 Jy ! Component: 150 - total flux cleaned = -0.00243525 Jy ! Component: 200 - total flux cleaned = -0.00256854 Jy ! Total flux subtracted in 200 components = -0.00256854 Jy ! Clean residual min=-0.011453 max=0.008750 Jy/beam ! Clean residual mean=-0.000223 rms=0.002861 Jy/beam ! Combined flux in latest and established models = 1.32946 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 1.32946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231821Jy sigma=0.001259 ! Fit after self-cal, rms=0.231815Jy sigma=0.001259 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 = 2.71574e-05 Jy ! Component: 100 - total flux cleaned = -0.000300405 Jy ! Component: 150 - total flux cleaned = -0.00068919 Jy ! Component: 200 - total flux cleaned = -0.000947865 Jy ! Total flux subtracted in 200 components = -0.000947865 Jy ! Clean residual min=-0.011174 max=0.008692 Jy/beam ! Clean residual mean=-0.000226 rms=0.002822 Jy/beam ! Combined flux in latest and established models = 1.32851 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 1.32851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231712Jy sigma=0.001259 ! Fit after self-cal, rms=0.231696Jy sigma=0.001259 ! 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=0.231696Jy sigma=0.001259 ! Fit after self-cal, rms=0.232081Jy sigma=0.001258 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.188 mas, bmaj=24.36 mas, bpa=-1.854 degrees ! Estimated noise=2091.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000194382 Jy ! Component: 100 - total flux cleaned = 9.8482e-05 Jy ! Component: 150 - total flux cleaned = -5.81103e-05 Jy ! Component: 200 - total flux cleaned = -0.000126106 Jy ! Total flux subtracted in 200 components = -0.000126106 Jy ! Clean residual min=-0.011092 max=0.009690 Jy/beam ! Clean residual mean=-0.000388 rms=0.003596 Jy/beam ! Combined flux in latest and established models = 1.32838 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 1.32838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232036Jy sigma=0.001257 ! Fit after self-cal, rms=0.231943Jy sigma=0.001257 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 = -0.000257321 Jy ! Component: 100 - total flux cleaned = -0.000347951 Jy ! Component: 150 - total flux cleaned = -0.00048845 Jy ! Component: 200 - total flux cleaned = -0.000596043 Jy ! Total flux subtracted in 200 components = -0.000596043 Jy ! Clean residual min=-0.010990 max=0.009705 Jy/beam ! Clean residual mean=-0.000392 rms=0.003600 Jy/beam ! Combined flux in latest and established models = 1.32779 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 42 components and 1.32779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231928Jy sigma=0.001257 ! Fit after self-cal, rms=0.231849Jy sigma=0.001256 ! 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=3.484 mas, bmaj=15.2 mas, bpa=-3.681 degrees ! Estimated noise=1718.13 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.484 x 15.2 at -3.681 degrees (North through East) ! Clean map min=-0.010128 max=1.2404 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=0.231849Jy sigma=0.001256 ! Fit after self-cal, rms=0.215294Jy sigma=0.001075 ! Inverting map and beam ! Estimated beam: bmin=3.482 mas, bmaj=15.2 mas, bpa=-3.679 degrees ! Estimated noise=1717.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000649833 Jy ! Component: 100 - total flux cleaned = 0.0005722 Jy ! Component: 150 - total flux cleaned = 0.000426676 Jy ! Component: 200 - total flux cleaned = 0.000228962 Jy ! Total flux subtracted in 200 components = 0.000228962 Jy ! Clean residual min=-0.008559 max=0.007722 Jy/beam ! Clean residual mean=-0.000146 rms=0.002291 Jy/beam ! Combined flux in latest and established models = 1.32801 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 45 components and 1.32801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215240Jy sigma=0.001075 ! Fit after self-cal, rms=0.215229Jy sigma=0.001075 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.516e-05 Jy ! Component: 100 - total flux cleaned = -0.000261852 Jy ! Component: 150 - total flux cleaned = -0.000411123 Jy ! Component: 200 - total flux cleaned = -0.000500915 Jy ! Total flux subtracted in 200 components = -0.000500915 Jy ! Clean residual min=-0.008510 max=0.007552 Jy/beam ! Clean residual mean=-0.000148 rms=0.002280 Jy/beam ! Combined flux in latest and established models = 1.32751 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 45 components and 1.32751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215197Jy sigma=0.001074 ! Fit after self-cal, rms=0.215187Jy sigma=0.001074 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215187Jy sigma=0.001074 ! Fit after self-cal, rms=0.215334Jy sigma=0.001074 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=2.811 mas, bmaj=13.57 mas, bpa=-5.439 degrees ! Estimated noise=2643.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.955981 Jy ! Component: 100 - total flux cleaned = 1.16496 Jy ! Component: 150 - total flux cleaned = 1.22779 Jy ! Component: 200 - total flux cleaned = 1.26339 Jy ! Total flux subtracted in 200 components = 1.26339 Jy ! Clean residual min=-0.014394 max=0.017613 Jy/beam ! Clean residual mean=0.000199 rms=0.004251 Jy/beam ! Combined flux in latest and established models = 1.26339 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.26339 Jy ! Inverting map and beam ! Estimated beam: bmin=3.48 mas, bmaj=15.19 mas, bpa=-3.692 degrees ! Estimated noise=1717.63 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 = 0.0291845 Jy ! Component: 100 - total flux cleaned = 0.043635 Jy ! Component: 150 - total flux cleaned = 0.0517417 Jy ! Component: 200 - total flux cleaned = 0.0564204 Jy ! Total flux subtracted in 200 components = 0.0564204 Jy ! Clean residual min=-0.009159 max=0.007666 Jy/beam ! Clean residual mean=-0.000153 rms=0.002429 Jy/beam ! Combined flux in latest and established models = 1.31981 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 59 components and 1.31981 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=7.184 mas, bmaj=24.37 mas, bpa=-1.857 degrees ! Estimated noise=2093.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00566328 Jy ! Component: 100 - total flux cleaned = 0.00730934 Jy ! Component: 150 - total flux cleaned = 0.00741318 Jy ! Component: 200 - total flux cleaned = 0.00750977 Jy ! Total flux subtracted in 200 components = 0.00750977 Jy ! Clean residual min=-0.008432 max=0.008059 Jy/beam ! Clean residual mean=-0.000243 rms=0.003060 Jy/beam ! Combined flux in latest and established models = 1.32732 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 = 9.01961e-05 Jy ! Component: 100 - total flux cleaned = 0.000209959 Jy ! Component: 150 - total flux cleaned = 0.000283844 Jy ! Component: 200 - total flux cleaned = 0.000353239 Jy ! Total flux subtracted in 200 components = 0.000353239 Jy ! Clean residual min=-0.008405 max=0.007879 Jy/beam ! Clean residual mean=-0.000241 rms=0.003025 Jy/beam ! Combined flux in latest and established models = 1.32767 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 67 components and 1.32767 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.48 mas, bmaj=15.19 mas, bpa=-3.692 degrees ! Estimated noise=1717.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00174355 Jy ! Component: 100 - total flux cleaned = -0.0016545 Jy ! Component: 150 - total flux cleaned = -0.00159605 Jy ! Component: 200 - total flux cleaned = -0.00160132 Jy ! Total flux subtracted in 200 components = -0.00160132 Jy ! Clean residual min=-0.008670 max=0.007278 Jy/beam ! Clean residual mean=-0.000129 rms=0.002247 Jy/beam ! Combined flux in latest and established models = 1.32607 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 72 components and 1.32607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215230Jy sigma=0.001074 ! Fit after self-cal, rms=0.215203Jy sigma=0.001074 wmodel J1957-3845_S_1999_12_20_pus_map.mod ! Writing 72 model components to file: J1957-3845_S_1999_12_20_pus_map.mod wobs J1957-3845_S_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_1999_12_20_pus_uvs.fits wwins J1957-3845_S_1999_12_20_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_1999_12_20_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 = -0.0021558 Jy ! Component: 100 - total flux cleaned = -0.00288339 Jy ! Component: 150 - total flux cleaned = -0.00333369 Jy ! Component: 200 - total flux cleaned = -0.00333236 Jy ! Component: 250 - total flux cleaned = -0.00418872 Jy ! Component: 300 - total flux cleaned = -0.00482273 Jy ! Component: 350 - total flux cleaned = -0.00516776 Jy ! Component: 400 - total flux cleaned = -0.00558349 Jy ! Component: 450 - total flux cleaned = -0.00605926 Jy ! Component: 500 - total flux cleaned = -0.0064381 Jy ! Component: 550 - total flux cleaned = -0.00694604 Jy ! Component: 600 - total flux cleaned = -0.00750175 Jy ! Component: 650 - total flux cleaned = -0.00777014 Jy ! Component: 700 - total flux cleaned = -0.0079651 Jy ! Component: 750 - total flux cleaned = -0.00815342 Jy ! Component: 800 - total flux cleaned = -0.00821354 Jy ! Component: 850 - total flux cleaned = -0.00833355 Jy ! Component: 900 - total flux cleaned = -0.00827756 Jy ! Component: 950 - total flux cleaned = -0.00827812 Jy ! Component: 1000 - total flux cleaned = -0.00805685 Jy ! Component: 1050 - total flux cleaned = -0.00784095 Jy ! Component: 1100 - total flux cleaned = -0.0077882 Jy ! Component: 1150 - total flux cleaned = -0.00783999 Jy ! Component: 1200 - total flux cleaned = -0.00778894 Jy ! Component: 1250 - total flux cleaned = -0.0077389 Jy ! Component: 1300 - total flux cleaned = -0.00783669 Jy ! Component: 1350 - total flux cleaned = -0.0076913 Jy ! Component: 1400 - total flux cleaned = -0.00778613 Jy ! Component: 1450 - total flux cleaned = -0.00769306 Jy ! Component: 1500 - total flux cleaned = -0.00773939 Jy ! Component: 1550 - total flux cleaned = -0.00782937 Jy ! Component: 1600 - total flux cleaned = -0.00774065 Jy ! Component: 1650 - total flux cleaned = -0.00778484 Jy ! Component: 1700 - total flux cleaned = -0.00778464 Jy ! Component: 1750 - total flux cleaned = -0.00765648 Jy ! Component: 1800 - total flux cleaned = -0.00769894 Jy ! Component: 1850 - total flux cleaned = -0.00757385 Jy ! Component: 1900 - total flux cleaned = -0.00765602 Jy ! Component: 1950 - total flux cleaned = -0.0075332 Jy ! Component: 2000 - total flux cleaned = -0.00745241 Jy ! Total flux subtracted in 2048 components = -0.00749254 Jy ! Clean residual min=-0.002864 max=0.002186 Jy/beam ! Clean residual mean=0.000000 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 1.31858 Jy keep ! Adding 124 model components to the UV plane model. ! The established model now contains 196 components and 1.31858 Jy ![Exited script file: muppet] wmap "J1957-3845_S_1999_12_20_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.48 x 15.19 at -3.692 degrees (North through East) ! Clean map min=-0.0061172 max=1.2428 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.24283 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000888392 device "J1957-3845_S_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.214444 0.214444 0.428889 0.857778 1.71556 3.43111 6.86222 13.7244 27.4489 54.8978 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.242 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.48 x 15.19 at -3.692 degrees (North through East) ! Clean map min=-0.0061172 max=1.2428 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_1999_12_20_pus_uvs.log closed on Thu Dec 20 15:33:46 2007