! Started logfile: J0457-2324_S_1999_05_10_pus_uvs.log on Tue Jan 22 14:25:04 2008 obs J0457-2324_S_1999_05_10_pus_uva.fits ! Reading UV FITS file: J0457-2324_S_1999_05_10_pus_uva.fits ! AN table 1: 37 integrations on 153 of 153 possible baselines. ! AN table 2: 93 integrations on 153 of 153 possible baselines. ! AN table 3: 139 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.119421 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 2002 lines of history. ! ! Reading 19660 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 J0457-2324_S_1999_05_10_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 381 telescope corrections were flagged in sub-array 1. ! A total of 1399 telescope corrections were flagged in sub-array 2. ! A total of 1754 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 381 telescope corrections were flagged in sub-array 1. ! A total of 1393 telescope corrections were flagged in sub-array 2. ! A total of 1749 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 381 telescope corrections were flagged in sub-array 1. ! A total of 1411 telescope corrections were flagged in sub-array 2. ! A total of 1749 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 381 telescope corrections were flagged in sub-array 1. ! A total of 1476 telescope corrections were flagged in sub-array 2. ! A total of 1749 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.828766Jy sigma=0.006425 ! Fit after self-cal, rms=0.423848Jy sigma=0.003466 ! 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=2.15 mas, bmaj=4.292 mas, bpa=10.01 degrees ! Estimated noise=1290.75 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 = 0.994826 Jy ! Component: 100 - total flux cleaned = 1.24372 Jy ! Total flux subtracted in 100 components = 1.24372 Jy ! Clean residual min=-0.018675 max=0.083919 Jy/beam ! Clean residual mean=0.000528 rms=0.007268 Jy/beam ! Combined flux in latest and established models = 1.24372 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.24372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246247Jy sigma=0.001966 ! Fit after self-cal, rms=0.246268Jy sigma=0.001966 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0831185 Jy ! Component: 100 - total flux cleaned = 0.127642 Jy ! Total flux subtracted in 100 components = 0.127642 Jy ! Clean residual min=-0.013803 max=0.026546 Jy/beam ! Clean residual mean=0.000054 rms=0.004183 Jy/beam ! Combined flux in latest and established models = 1.37136 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 30 components and 1.37136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194565Jy sigma=0.001504 ! Fit after self-cal, rms=0.194564Jy sigma=0.001504 ! Inverting map ! Added new window around map position (-4.5, -4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0305731 Jy ! Component: 100 - total flux cleaned = 0.0525498 Jy ! Total flux subtracted in 100 components = 0.0525498 Jy ! Clean residual min=-0.012541 max=0.019857 Jy/beam ! Clean residual mean=-0.000143 rms=0.003432 Jy/beam ! Combined flux in latest and established models = 1.42391 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 38 components and 1.42391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184992Jy sigma=0.001414 ! Fit after self-cal, rms=0.184833Jy sigma=0.001412 ! 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=3.149 mas, bmaj=7.351 mas, bpa=-7.13 degrees ! Estimated noise=647.612 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 = 0.0283793 Jy ! Component: 100 - total flux cleaned = 0.0414549 Jy ! Component: 150 - total flux cleaned = 0.0468298 Jy ! Component: 200 - total flux cleaned = 0.047784 Jy ! Total flux subtracted in 200 components = 0.047784 Jy ! Clean residual min=-0.009804 max=0.007792 Jy/beam ! Clean residual mean=-0.001023 rms=0.002800 Jy/beam ! Combined flux in latest and established models = 1.47169 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 59 components and 1.47169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181220Jy sigma=0.001377 ! Fit after self-cal, rms=0.181177Jy sigma=0.001376 ! 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 0.98 FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 1.01 LA 1.00 ! MC 1.00* MK 0.99 NL 0.95 NY 1.00* ! ON 1.00* OV 1.01 PT 1.02 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.00* HH 0.97 ! HN 1.00* KK 0.98 KP 1.05 LA 0.99 ! MC 1.13 MK 0.90 NL 1.00 NY 1.00* ! ON 1.08 OV 1.04 PT 1.02 SC 1.02 ! WF 1.00* WZ 1.11 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00 GC 1.00* HH 1.06 ! HN 1.04 KK 1.05 KP 1.03 LA 1.01 ! MC 1.00* MK 0.97 NL 0.99 NY 1.00* ! ON 1.00* OV 1.03 PT 1.03 SC 1.03 ! WF 1.06 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 1.01 LA 0.95 ! MC 1.00* MK 1.06 NL 0.97 NY 1.00* ! ON 1.00* OV 0.95 PT 0.95 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 GC 1.00* HH 0.97 ! HN 1.00* KK 0.96 KP 1.04 LA 1.00 ! MC 1.09 MK 1.00 NL 1.01 NY 1.00* ! ON 1.08 OV 1.01 PT 1.02 SC 1.01 ! WF 1.00* WZ 1.12 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.04 GC 1.00* HH 0.99 ! HN 1.01 KK 1.04 KP 1.00 LA 0.98 ! MC 1.00* MK 1.04 NL 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 1.02 SC 1.04 ! WF 1.01 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 1.01 LA 0.97 ! MC 1.00* MK 0.99 NL 0.98 NY 1.00* ! ON 1.00* OV 0.95 PT 0.95 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 GC 1.00* HH 0.89 ! HN 1.00* KK 0.97 KP 1.04 LA 1.02 ! MC 0.98 MK 0.93 NL 1.02 NY 1.00* ! ON 1.08 OV 1.01 PT 1.01 SC 1.02 ! WF 1.00* WZ 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.01 GC 1.00* HH 0.93 ! HN 1.02 KK 1.02 KP 1.00 LA 1.01 ! MC 1.00* MK 0.99 NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.97 SC 1.03 ! WF 1.03 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 0.97 LA 0.96 ! MC 1.00* MK 1.01 NL 0.99 NY 1.00* ! ON 1.00* OV 0.93 PT 0.96 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.02 LA 1.03 ! MC 1.00* MK 0.94 NL 1.03 NY 1.00* ! ON 1.00* OV 0.96 PT 1.06 SC 0.99 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.99 GC 1.00* HH 0.94 ! HN 1.01 KK 1.03 KP 0.99 LA 1.01 ! MC 1.00* MK 0.99 NL 1.01 NY 1.00* ! ON 1.00* OV 0.96 PT 1.01 SC 1.02 ! WF 0.99 WZ 1.00* ! ! ! Fit before self-cal, rms=0.181177Jy sigma=0.001376 ! Fit after self-cal, rms=0.169253Jy sigma=0.001289 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.153 mas, bmaj=7.365 mas, bpa=-7.064 degrees ! Estimated noise=647.935 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 = -0.000971171 Jy ! Component: 100 - total flux cleaned = -0.000814726 Jy ! Component: 150 - total flux cleaned = -0.000749898 Jy ! Component: 200 - total flux cleaned = -0.000688728 Jy ! Total flux subtracted in 200 components = -0.000688728 Jy ! Clean residual min=-0.005549 max=0.006176 Jy/beam ! Clean residual mean=-0.000612 rms=0.001448 Jy/beam ! Combined flux in latest and established models = 1.471 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 72 components and 1.471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169188Jy sigma=0.001289 ! Fit after self-cal, rms=0.169177Jy sigma=0.001289 ! 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=0.169177Jy sigma=0.001289 ! Fit after self-cal, rms=0.167164Jy sigma=0.001265 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=7.369 mas, bpa=-7.028 degrees ! Estimated noise=648.208 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224751 Jy ! Component: 100 - total flux cleaned = 0.00245104 Jy ! Component: 150 - total flux cleaned = 0.00255567 Jy ! Component: 200 - total flux cleaned = 0.00255904 Jy ! Total flux subtracted in 200 components = 0.00255904 Jy ! Clean residual min=-0.002662 max=0.003520 Jy/beam ! Clean residual mean=-0.000016 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 1.47356 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 79 components and 1.47356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167095Jy sigma=0.001265 ! Fit after self-cal, rms=0.167091Jy 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) ! Added new window around map position (-14, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224936 Jy ! Component: 100 - total flux cleaned = 0.0023843 Jy ! Component: 150 - total flux cleaned = 0.00244076 Jy ! Component: 200 - total flux cleaned = 0.00249032 Jy ! Total flux subtracted in 200 components = 0.00249032 Jy ! Clean residual min=-0.002703 max=0.002522 Jy/beam ! Clean residual mean=-0.000078 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 1.47605 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 1.47605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167025Jy sigma=0.001264 ! Fit after self-cal, rms=0.167019Jy sigma=0.001264 ! 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=0.167019Jy sigma=0.001264 ! Fit after self-cal, rms=0.167198Jy sigma=0.001264 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=7.375 mas, bpa=-7.049 degrees ! Estimated noise=648.688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184365 Jy ! Component: 100 - total flux cleaned = 0.00213514 Jy ! Component: 150 - total flux cleaned = 0.00221965 Jy ! Component: 200 - total flux cleaned = 0.00230068 Jy ! Total flux subtracted in 200 components = 0.00230068 Jy ! Clean residual min=-0.002483 max=0.002538 Jy/beam ! Clean residual mean=-0.000034 rms=0.000670 Jy/beam ! Combined flux in latest and established models = 1.47835 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 102 components and 1.47835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167156Jy sigma=0.001264 ! Fit after self-cal, rms=0.167154Jy sigma=0.001264 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 = 0.000239145 Jy ! Component: 100 - total flux cleaned = 0.000313942 Jy ! Component: 150 - total flux cleaned = 0.000418883 Jy ! Component: 200 - total flux cleaned = 0.000484538 Jy ! Total flux subtracted in 200 components = 0.000484538 Jy ! Clean residual min=-0.002475 max=0.002512 Jy/beam ! Clean residual mean=-0.000045 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 1.47884 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 105 components and 1.47884 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167137Jy sigma=0.001264 ! Fit after self-cal, rms=0.167135Jy sigma=0.001264 ! 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=0.167135Jy sigma=0.001264 ! Fit after self-cal, rms=0.167278Jy sigma=0.001264 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.602 mas, bmaj=17.65 mas, bpa=6.307 degrees ! Estimated noise=797.585 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012323 Jy ! Component: 100 - total flux cleaned = 0.00146743 Jy ! Component: 150 - total flux cleaned = 0.00157977 Jy ! Component: 200 - total flux cleaned = 0.00157995 Jy ! Total flux subtracted in 200 components = 0.00157995 Jy ! Clean residual min=-0.002381 max=0.002113 Jy/beam ! Clean residual mean=-0.000045 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 1.48042 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 118 components and 1.48042 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167269Jy sigma=0.001264 ! Fit after self-cal, rms=0.167268Jy sigma=0.001264 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 = 6.62254e-05 Jy ! Component: 100 - total flux cleaned = 8.34836e-05 Jy ! Component: 150 - total flux cleaned = 6.81394e-05 Jy ! Component: 200 - total flux cleaned = 6.79297e-05 Jy ! Total flux subtracted in 200 components = 6.79297e-05 Jy ! Clean residual min=-0.002354 max=0.002110 Jy/beam ! Clean residual mean=-0.000048 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 1.48049 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 120 components and 1.48049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167268Jy sigma=0.001264 ! Fit after self-cal, rms=0.167266Jy sigma=0.001264 ! 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=3.154 mas, bmaj=7.377 mas, bpa=-7.052 degrees ! Estimated noise=649.184 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.154 x 7.377 at -7.052 degrees (North through East) ! Clean map min=-0.0023156 max=1.3368 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=0.167266Jy sigma=0.001264 ! Fit after self-cal, rms=0.147603Jy sigma=0.001095 ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=7.376 mas, bpa=-7.059 degrees ! Estimated noise=648.718 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000303204 Jy ! Component: 100 - total flux cleaned = -0.000514933 Jy ! Component: 150 - total flux cleaned = -0.000627902 Jy ! Component: 200 - total flux cleaned = -0.000697601 Jy ! Total flux subtracted in 200 components = -0.000697601 Jy ! Clean residual min=-0.002481 max=0.002330 Jy/beam ! Clean residual mean=-0.000052 rms=0.000654 Jy/beam ! Combined flux in latest and established models = 1.47979 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 126 components and 1.47979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147577Jy sigma=0.001094 ! Fit after self-cal, rms=0.147576Jy sigma=0.001094 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000102625 Jy ! Component: 100 - total flux cleaned = -0.000230063 Jy ! Component: 150 - total flux cleaned = -0.00028955 Jy ! Component: 200 - total flux cleaned = -0.000346879 Jy ! Total flux subtracted in 200 components = -0.000346879 Jy ! Clean residual min=-0.002451 max=0.002288 Jy/beam ! Clean residual mean=-0.000044 rms=0.000650 Jy/beam ! Combined flux in latest and established models = 1.47944 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 133 components and 1.47944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147561Jy sigma=0.001094 ! Fit after self-cal, rms=0.147560Jy sigma=0.001094 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147560Jy sigma=0.001094 ! Fit after self-cal, rms=0.147541Jy sigma=0.001094 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=2.149 mas, bmaj=4.299 mas, bpa=10.24 degrees ! Estimated noise=1276.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.997877 Jy ! Component: 100 - total flux cleaned = 1.24833 Jy ! Component: 150 - total flux cleaned = 1.3313 Jy ! Component: 200 - total flux cleaned = 1.3743 Jy ! Total flux subtracted in 200 components = 1.3743 Jy ! Clean residual min=-0.008894 max=0.022109 Jy/beam ! Clean residual mean=0.000387 rms=0.002877 Jy/beam ! Combined flux in latest and established models = 1.3743 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 29 model components to the UV plane model. ! The established model now contains 29 components and 1.3743 Jy ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=7.377 mas, bpa=-7.058 degrees ! Estimated noise=648.567 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 = 0.0511649 Jy ! Component: 100 - total flux cleaned = 0.0748131 Jy ! Component: 150 - total flux cleaned = 0.0866211 Jy ! Component: 200 - total flux cleaned = 0.092846 Jy ! Total flux subtracted in 200 components = 0.092846 Jy ! Clean residual min=-0.002687 max=0.004328 Jy/beam ! Clean residual mean=0.000228 rms=0.000893 Jy/beam ! Combined flux in latest and established models = 1.46715 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 72 components and 1.46715 Jy ! Inverting map ! Added new window around map position (0.5, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00435437 Jy ! Component: 100 - total flux cleaned = 0.00717197 Jy ! Component: 150 - total flux cleaned = 0.00788259 Jy ! Component: 200 - total flux cleaned = 0.00833909 Jy ! Total flux subtracted in 200 components = 0.00833909 Jy ! Clean residual min=-0.002513 max=0.002417 Jy/beam ! Clean residual mean=0.000034 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 1.47549 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 96 components and 1.47549 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.602 mas, bmaj=17.65 mas, bpa=6.29 degrees ! Estimated noise=796.788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000442433 Jy ! Component: 100 - total flux cleaned = 0.000937611 Jy ! Component: 150 - total flux cleaned = 0.00134211 Jy ! Component: 200 - total flux cleaned = 0.00162481 Jy ! Total flux subtracted in 200 components = 0.00162481 Jy ! Clean residual min=-0.002271 max=0.002431 Jy/beam ! Clean residual mean=-0.000004 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 1.47711 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 = 0.000127097 Jy ! Component: 100 - total flux cleaned = 0.00016527 Jy ! Component: 150 - total flux cleaned = 0.000202942 Jy ! Component: 200 - total flux cleaned = 0.000255774 Jy ! Total flux subtracted in 200 components = 0.000255774 Jy ! Clean residual min=-0.002277 max=0.002438 Jy/beam ! Clean residual mean=-0.000016 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 1.47737 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 127 components and 1.47737 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=7.377 mas, bpa=-7.058 degrees ! Estimated noise=648.567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000866845 Jy ! Component: 100 - total flux cleaned = -0.000814166 Jy ! Component: 150 - total flux cleaned = -0.000712496 Jy ! Component: 200 - total flux cleaned = -0.000619322 Jy ! Total flux subtracted in 200 components = -0.000619322 Jy ! Clean residual min=-0.002453 max=0.002261 Jy/beam ! Clean residual mean=0.000007 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 1.47675 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 140 components and 1.47675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147616Jy sigma=0.001095 ! Fit after self-cal, rms=0.147587Jy sigma=0.001094 wmodel J0457-2324_S_1999_05_10_pus_map.mod ! Writing 140 model components to file: J0457-2324_S_1999_05_10_pus_map.mod wobs J0457-2324_S_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J0457-2324_S_1999_05_10_pus_uvs.fits wwins J0457-2324_S_1999_05_10_pus_map.win ! wwins: Wrote 4 windows to J0457-2324_S_1999_05_10_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 = -0.000439872 Jy ! Component: 100 - total flux cleaned = -0.000765748 Jy ! Component: 150 - total flux cleaned = -0.00123189 Jy ! Component: 200 - total flux cleaned = -0.00145696 Jy ! Component: 250 - total flux cleaned = -0.00160246 Jy ! Component: 300 - total flux cleaned = -0.0017081 Jy ! Component: 350 - total flux cleaned = -0.00181174 Jy ! Component: 400 - total flux cleaned = -0.00184528 Jy ! Component: 450 - total flux cleaned = -0.00187862 Jy ! Component: 500 - total flux cleaned = -0.00187842 Jy ! Component: 550 - total flux cleaned = -0.00181428 Jy ! Component: 600 - total flux cleaned = -0.00178285 Jy ! Component: 650 - total flux cleaned = -0.00172093 Jy ! Component: 700 - total flux cleaned = -0.00172084 Jy ! Component: 750 - total flux cleaned = -0.00169083 Jy ! Component: 800 - total flux cleaned = -0.00172062 Jy ! Component: 850 - total flux cleaned = -0.00172049 Jy ! Component: 900 - total flux cleaned = -0.00169123 Jy ! Component: 950 - total flux cleaned = -0.00174884 Jy ! Component: 1000 - total flux cleaned = -0.00174859 Jy ! Component: 1050 - total flux cleaned = -0.00169241 Jy ! Component: 1100 - total flux cleaned = -0.00174836 Jy ! Component: 1150 - total flux cleaned = -0.00174821 Jy ! Component: 1200 - total flux cleaned = -0.00169332 Jy ! Component: 1250 - total flux cleaned = -0.00169333 Jy ! Component: 1300 - total flux cleaned = -0.00166655 Jy ! Component: 1350 - total flux cleaned = -0.00158672 Jy ! Component: 1400 - total flux cleaned = -0.00150773 Jy ! Component: 1450 - total flux cleaned = -0.00145578 Jy ! Component: 1500 - total flux cleaned = -0.00145567 Jy ! Component: 1550 - total flux cleaned = -0.00142982 Jy ! Component: 1600 - total flux cleaned = -0.00132751 Jy ! Component: 1650 - total flux cleaned = -0.00127683 Jy ! Component: 1700 - total flux cleaned = -0.00120161 Jy ! Component: 1750 - total flux cleaned = -0.00117666 Jy ! Component: 1800 - total flux cleaned = -0.00112729 Jy ! Component: 1850 - total flux cleaned = -0.00105379 Jy ! Component: 1900 - total flux cleaned = -0.0010296 Jy ! Component: 1950 - total flux cleaned = -0.00100554 Jy ! Component: 2000 - total flux cleaned = -0.000957716 Jy ! Total flux subtracted in 2048 components = -0.000981601 Jy ! Clean residual min=-0.001507 max=0.001380 Jy/beam ! Clean residual mean=-0.000000 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 1.47577 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 266 components and 1.47577 Jy ![Exited script file: muppet] wmap "J0457-2324_S_1999_05_10_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.154 x 7.377 at -7.058 degrees (North through East) ! Clean map min=-0.0024756 max=1.3411 Jy/beam ! Writing clean map to FITS file: J0457-2324_S_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.34106 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000460294 device "J0457-2324_S_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_S_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.102969 0.102969 0.205939 0.411878 0.823756 1.64751 3.29502 6.59005 13.1801 26.3602 52.7204 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.341 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.154 x 7.377 at -7.058 degrees (North through East) ! Clean map min=-0.0024756 max=1.3411 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_S_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_S_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_S_1999_05_10_pus_uvs.log closed on Tue Jan 22 14:25:23 2008