! Started logfile: J2129-1538_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:28:24 2010 obs J2129-1538_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2129-1538_X_2007_12_05_pus_uva.fits ! AN table 1: 140 integrations on 136 of 136 possible baselines. ! AN table 2: 11 integrations on 136 of 136 possible baselines. ! AN table 3: 269 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0306197 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2129-1538 ! ! 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 1501 lines of history. ! ! Reading 6996 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 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 2204 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 3968 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2204 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 3968 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2204 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 3968 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2225 telescope corrections were flagged in sub-array 1. ! A total of 187 telescope corrections were flagged in sub-array 2. ! A total of 4026 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.577684Jy sigma=0.004040 ! Fit after self-cal, rms=0.309473Jy sigma=0.002136 ! 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 ! Your choice of large map pixels excluded 0.857% of the data. ! The x-axis pixel size should ideally be below 0.1901 milli-arcsec ! Estimated beam: bmin=0.8803 mas, bmaj=1.404 mas, bpa=-70.19 degrees ! Estimated noise=2005.45 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 = 0.815402 Jy ! Component: 100 - total flux cleaned = 1.0389 Jy ! Total flux subtracted in 100 components = 1.0389 Jy ! Clean residual min=-0.028381 max=0.083862 Jy/beam ! Clean residual mean=0.001207 rms=0.010999 Jy/beam ! Combined flux in latest and established models = 1.0389 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 1.0389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260269Jy sigma=0.001853 ! Fit after self-cal, rms=0.260950Jy sigma=0.001853 ! Inverting map ! Your choice of large map pixels excluded 0.857% of the data. ! The x-axis pixel size should ideally be below 0.1901 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0899707 Jy ! Component: 100 - total flux cleaned = 0.134215 Jy ! Total flux subtracted in 100 components = 0.134215 Jy ! Clean residual min=-0.019426 max=0.025174 Jy/beam ! Clean residual mean=-0.000378 rms=0.006087 Jy/beam ! Combined flux in latest and established models = 1.17311 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 1.17311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226776Jy sigma=0.001451 ! Fit after self-cal, rms=0.226869Jy sigma=0.001451 ! Inverting map ! Your choice of large map pixels excluded 0.857% of the data. ! The x-axis pixel size should ideally be below 0.1901 milli-arcsec 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 ! Your choice of large map pixels excluded 0.857% of the data. ! The x-axis pixel size should ideally be below 0.1901 milli-arcsec ! Estimated beam: bmin=1.202 mas, bmaj=1.819 mas, bpa=-87.95 degrees ! Estimated noise=1211.72 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 = 0.0305337 Jy ! Component: 100 - total flux cleaned = 0.0448698 Jy ! Component: 150 - total flux cleaned = 0.0517505 Jy ! Component: 200 - total flux cleaned = 0.0548748 Jy ! Total flux subtracted in 200 components = 0.0548748 Jy ! Clean residual min=-0.022141 max=0.015077 Jy/beam ! Clean residual mean=-0.002533 rms=0.005184 Jy/beam ! Combined flux in latest and established models = 1.22799 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 1.22799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223891Jy sigma=0.001412 ! Fit after self-cal, rms=0.223855Jy sigma=0.001412 ! Inverting map ! Your choice of large map pixels excluded 0.857% of the data. ! The x-axis pixel size should ideally be below 0.1901 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.98 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.02 OV 1.00* ! PT 1.00* SV 1.05 TS 1.00* WZ 0.98 ! ZC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 HH 0.97 HN 1.01 ! KB 1.00* KP 0.95 LA 0.97 MK 1.00* ! NL 1.03 NY 1.00* ON 0.99 OV 0.96 ! PT 0.98 SV 1.28 TS 1.00* WZ 0.98 ! ZC 0.98 ! ! ! Correcting IF 2. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.01 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.06 OV 1.00* ! PT 1.00* SV 1.02 TS 1.00* WZ 0.94 ! ZC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.99 HH 0.94 HN 1.00 ! KB 1.00* KP 0.93 LA 0.96 MK 1.00* ! NL 1.02 NY 1.00* ON 0.99 OV 0.93 ! PT 1.03 SV 1.12 TS 1.00* WZ 1.00 ! ZC 1.04 ! ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.02 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.04 OV 1.00* ! PT 1.00* SV 1.06 TS 1.00* WZ 0.93 ! ZC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.99 HH 0.91 HN 1.01 ! KB 1.00* KP 0.96 LA 1.00 MK 1.00* ! NL 1.03 NY 1.00* ON 0.99 OV 0.98 ! PT 1.06 SV 1.24 TS 1.00* WZ 0.97 ! ZC 0.99 ! ! ! Correcting IF 4. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.03 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.99 OV 1.00* ! PT 1.00* SV 0.89 TS 1.00* WZ 0.95 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.00 HH 0.90 HN 1.01 ! KB 1.00* KP 0.97 LA 0.98 MK 1.00* ! NL 1.05 NY 1.00* ON 1.02 OV 1.00 ! PT 1.05 SV 1.34 TS 1.00* WZ 0.92 ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.223855Jy sigma=0.001412 ! Fit after self-cal, rms=0.191944Jy sigma=0.001258 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.493 mas, bmaj=1.952 mas, bpa=89.68 degrees ! Estimated noise=1254.5 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 = -0.00316141 Jy ! Component: 100 - total flux cleaned = -0.00349924 Jy ! Component: 150 - total flux cleaned = -0.00377157 Jy ! Component: 200 - total flux cleaned = -0.00391729 Jy ! Total flux subtracted in 200 components = -0.00391729 Jy ! Clean residual min=-0.011739 max=0.008995 Jy/beam ! Clean residual mean=-0.000700 rms=0.002986 Jy/beam ! Combined flux in latest and established models = 1.22407 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 40 components and 1.22407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191768Jy sigma=0.001257 ! Fit after self-cal, rms=0.192028Jy sigma=0.001257 ! 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=0.192028Jy sigma=0.001257 ! Fit after self-cal, rms=0.190725Jy sigma=0.001234 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.494 mas, bmaj=1.958 mas, bpa=89.6 degrees ! Estimated noise=1255.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00344253 Jy ! Component: 100 - total flux cleaned = -0.00364442 Jy ! Component: 150 - total flux cleaned = -0.00381859 Jy ! Component: 200 - total flux cleaned = -0.0040364 Jy ! Total flux subtracted in 200 components = -0.0040364 Jy ! Clean residual min=-0.007480 max=0.007197 Jy/beam ! Clean residual mean=-0.000276 rms=0.002122 Jy/beam ! Combined flux in latest and established models = 1.22003 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 42 components and 1.22003 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190568Jy sigma=0.001233 ! Fit after self-cal, rms=0.190561Jy sigma=0.001233 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 = -0.000488781 Jy ! Component: 100 - total flux cleaned = -0.000601817 Jy ! Component: 150 - total flux cleaned = -0.000699413 Jy ! Component: 200 - total flux cleaned = -0.000741975 Jy ! Total flux subtracted in 200 components = -0.000741975 Jy ! Clean residual min=-0.007550 max=0.007602 Jy/beam ! Clean residual mean=-0.000262 rms=0.002120 Jy/beam ! Combined flux in latest and established models = 1.21929 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 44 components and 1.21929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190516Jy sigma=0.001233 ! Fit after self-cal, rms=0.190516Jy sigma=0.001233 ! 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=0.190516Jy sigma=0.001233 ! Fit after self-cal, rms=0.190641Jy sigma=0.001226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.495 mas, bmaj=1.962 mas, bpa=89.47 degrees ! Estimated noise=1256.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00163799 Jy ! Component: 100 - total flux cleaned = -0.00186547 Jy ! Component: 150 - total flux cleaned = -0.00199185 Jy ! Component: 200 - total flux cleaned = -0.00215426 Jy ! Total flux subtracted in 200 components = -0.00215426 Jy ! Clean residual min=-0.006869 max=0.006081 Jy/beam ! Clean residual mean=-0.000349 rms=0.001847 Jy/beam ! Combined flux in latest and established models = 1.21714 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 1.21714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190554Jy sigma=0.001226 ! Fit after self-cal, rms=0.190542Jy sigma=0.001226 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 = -0.000276057 Jy ! Component: 100 - total flux cleaned = -0.000361136 Jy ! Component: 150 - total flux cleaned = -0.000397757 Jy ! Component: 200 - total flux cleaned = -0.000397228 Jy ! Total flux subtracted in 200 components = -0.000397228 Jy ! Clean residual min=-0.006809 max=0.006256 Jy/beam ! Clean residual mean=-0.000341 rms=0.001843 Jy/beam ! Combined flux in latest and established models = 1.21674 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 50 components and 1.21674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190513Jy sigma=0.001226 ! Fit after self-cal, rms=0.190515Jy sigma=0.001226 ! 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=0.190515Jy sigma=0.001226 ! Fit after self-cal, rms=0.190798Jy sigma=0.001226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.776 mas, bmaj=4.543 mas, bpa=5.028 degrees ! Estimated noise=1296.89 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000536461 Jy ! Component: 100 - total flux cleaned = -0.000658102 Jy ! Component: 150 - total flux cleaned = -0.000764159 Jy ! Component: 200 - total flux cleaned = -0.000857248 Jy ! Total flux subtracted in 200 components = -0.000857248 Jy ! Clean residual min=-0.006962 max=0.005875 Jy/beam ! Clean residual mean=-0.000525 rms=0.002029 Jy/beam ! Combined flux in latest and established models = 1.21588 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 53 components and 1.21588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190766Jy sigma=0.001225 ! Fit after self-cal, rms=0.190756Jy sigma=0.001225 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 = 5.39074e-05 Jy ! Component: 100 - total flux cleaned = -3.69612e-05 Jy ! Component: 150 - total flux cleaned = -0.000116319 Jy ! Component: 200 - total flux cleaned = -0.000185799 Jy ! Total flux subtracted in 200 components = -0.000185799 Jy ! Clean residual min=-0.006942 max=0.005920 Jy/beam ! Clean residual mean=-0.000520 rms=0.002025 Jy/beam ! Combined flux in latest and established models = 1.2157 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 53 components and 1.2157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190741Jy sigma=0.001225 ! Fit after self-cal, rms=0.190739Jy sigma=0.001225 ! 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=1.494 mas, bmaj=1.966 mas, bpa=89.38 degrees ! Estimated noise=1257.38 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.494 x 1.966 at 89.38 degrees (North through East) ! Clean map min=-0.0063435 max=1.0859 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=0.190739Jy sigma=0.001225 ! Fit after self-cal, rms=0.176682Jy sigma=0.001040 ! Inverting map and beam ! Estimated beam: bmin=1.492 mas, bmaj=1.969 mas, bpa=89.33 degrees ! Estimated noise=1257.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00121609 Jy ! Component: 100 - total flux cleaned = -0.00151762 Jy ! Component: 150 - total flux cleaned = -0.00161434 Jy ! Component: 200 - total flux cleaned = -0.0017357 Jy ! Total flux subtracted in 200 components = -0.0017357 Jy ! Clean residual min=-0.006690 max=0.005594 Jy/beam ! Clean residual mean=-0.000292 rms=0.001725 Jy/beam ! Combined flux in latest and established models = 1.21396 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 53 components and 1.21396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176616Jy sigma=0.001040 ! Fit after self-cal, rms=0.176625Jy sigma=0.001040 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000172586 Jy ! Component: 100 - total flux cleaned = -0.000205231 Jy ! Component: 150 - total flux cleaned = -0.000235136 Jy ! Component: 200 - total flux cleaned = -0.000208178 Jy ! Total flux subtracted in 200 components = -0.000208178 Jy ! Clean residual min=-0.006646 max=0.005608 Jy/beam ! Clean residual mean=-0.000288 rms=0.001723 Jy/beam ! Combined flux in latest and established models = 1.21375 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 1.21375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176599Jy sigma=0.001040 ! Fit after self-cal, rms=0.176605Jy sigma=0.001039 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176605Jy sigma=0.001039 ! Fit after self-cal, rms=0.177039Jy sigma=0.001039 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=1.011 mas, bmaj=1.646 mas, bpa=-85.19 degrees ! Estimated noise=1958.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.834922 Jy ! Component: 100 - total flux cleaned = 1.05039 Jy ! Component: 150 - total flux cleaned = 1.13381 Jy ! Component: 200 - total flux cleaned = 1.1728 Jy ! Total flux subtracted in 200 components = 1.1728 Jy ! Clean residual min=-0.011898 max=0.023132 Jy/beam ! Clean residual mean=0.000185 rms=0.003324 Jy/beam ! Combined flux in latest and established models = 1.1728 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.1728 Jy ! Inverting map and beam ! Estimated beam: bmin=1.49 mas, bmaj=1.972 mas, bpa=89.25 degrees ! Estimated noise=1258.27 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.6, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.025562 Jy ! Component: 100 - total flux cleaned = 0.0360205 Jy ! Component: 150 - total flux cleaned = 0.0381857 Jy ! Component: 200 - total flux cleaned = 0.0393621 Jy ! Total flux subtracted in 200 components = 0.0393621 Jy ! Clean residual min=-0.006629 max=0.005565 Jy/beam ! Clean residual mean=-0.000289 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 1.21217 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 46 components and 1.21217 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=2.782 mas, bmaj=4.548 mas, bpa=5.146 degrees ! Estimated noise=1296.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000779517 Jy ! Component: 100 - total flux cleaned = 0.000870762 Jy ! Component: 150 - total flux cleaned = 0.000756537 Jy ! Component: 200 - total flux cleaned = 0.000659898 Jy ! Total flux subtracted in 200 components = 0.000659898 Jy ! Clean residual min=-0.006809 max=0.005269 Jy/beam ! Clean residual mean=-0.000425 rms=0.001751 Jy/beam ! Combined flux in latest and established models = 1.21283 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 = -0.000125666 Jy ! Component: 100 - total flux cleaned = -0.000238727 Jy ! Component: 150 - total flux cleaned = -0.000343042 Jy ! Component: 200 - total flux cleaned = -0.000439286 Jy ! Total flux subtracted in 200 components = -0.000439286 Jy ! Clean residual min=-0.006847 max=0.005377 Jy/beam ! Clean residual mean=-0.000412 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 1.21239 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 65 components and 1.21239 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.49 mas, bmaj=1.972 mas, bpa=89.25 degrees ! Estimated noise=1258.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000141469 Jy ! Component: 100 - total flux cleaned = -5.89571e-05 Jy ! Component: 150 - total flux cleaned = -0.000128312 Jy ! Component: 200 - total flux cleaned = -0.000126986 Jy ! Total flux subtracted in 200 components = -0.000126987 Jy ! Clean residual min=-0.006543 max=0.005383 Jy/beam ! Clean residual mean=-0.000286 rms=0.001591 Jy/beam ! Combined flux in latest and established models = 1.21226 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 73 components and 1.21226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176561Jy sigma=0.001037 ! Fit after self-cal, rms=0.176580Jy sigma=0.001037 wmodel J2129-1538_X_2007_12_05_pus_map.mod ! Writing 73 model components to file: J2129-1538_X_2007_12_05_pus_map.mod wobs J2129-1538_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2129-1538_X_2007_12_05_pus_uvs.fits wwins J2129-1538_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J2129-1538_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00171925 Jy ! Component: 100 - total flux cleaned = -0.00331439 Jy ! Component: 150 - total flux cleaned = -0.00504782 Jy ! Component: 200 - total flux cleaned = -0.00652594 Jy ! Component: 250 - total flux cleaned = -0.00769869 Jy ! Component: 300 - total flux cleaned = -0.00867643 Jy ! Component: 350 - total flux cleaned = -0.00954747 Jy ! Component: 400 - total flux cleaned = -0.0100403 Jy ! Component: 450 - total flux cleaned = -0.0105896 Jy ! Component: 500 - total flux cleaned = -0.0110585 Jy ! Component: 550 - total flux cleaned = -0.0115802 Jy ! Component: 600 - total flux cleaned = -0.0120259 Jy ! Component: 650 - total flux cleaned = -0.0124635 Jy ! Component: 700 - total flux cleaned = -0.013013 Jy ! Component: 750 - total flux cleaned = -0.0133717 Jy ! Component: 800 - total flux cleaned = -0.0137823 Jy ! Component: 850 - total flux cleaned = -0.0140695 Jy ! Component: 900 - total flux cleaned = -0.0144644 Jy ! Component: 950 - total flux cleaned = -0.0147958 Jy ! Component: 1000 - total flux cleaned = -0.0151219 Jy ! Component: 1050 - total flux cleaned = -0.0153891 Jy ! Component: 1100 - total flux cleaned = -0.0156522 Jy ! Component: 1150 - total flux cleaned = -0.0159108 Jy ! Component: 1200 - total flux cleaned = -0.0161654 Jy ! Component: 1250 - total flux cleaned = -0.0164161 Jy ! Component: 1300 - total flux cleaned = -0.0168103 Jy ! Component: 1350 - total flux cleaned = -0.016956 Jy ! Component: 1400 - total flux cleaned = -0.017244 Jy ! Component: 1450 - total flux cleaned = -0.0175747 Jy ! Component: 1500 - total flux cleaned = -0.0178544 Jy ! Component: 1550 - total flux cleaned = -0.0180847 Jy ! Component: 1600 - total flux cleaned = -0.0183118 Jy ! Component: 1650 - total flux cleaned = -0.0187157 Jy ! Component: 1700 - total flux cleaned = -0.0190698 Jy ! Component: 1750 - total flux cleaned = -0.0192447 Jy ! Component: 1800 - total flux cleaned = -0.0195486 Jy ! Component: 1850 - total flux cleaned = -0.0197202 Jy ! Component: 1900 - total flux cleaned = -0.0198901 Jy ! Component: 1950 - total flux cleaned = -0.0201002 Jy ! Component: 2000 - total flux cleaned = -0.0202668 Jy ! Total flux subtracted in 2048 components = -0.0203495 Jy ! Clean residual min=-0.002760 max=0.002046 Jy/beam ! Clean residual mean=-0.000135 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 1.19191 Jy keep ! Adding 122 model components to the UV plane model. ! The established model now contains 195 components and 1.19191 Jy wmap "J2129-1538_X_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.49 x 1.972 at 89.25 degrees (North through East) ! Clean map min=-0.006548 max=1.084 Jy/beam ! Writing clean map to FITS file: J2129-1538_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.084 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000808882 device "J2129-1538_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2129-1538_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.223861 0.223861 0.447722 0.895443 1.79089 3.58177 7.16355 14.3271 28.6542 57.3084 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.083 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.49 x 1.972 at 89.25 degrees (North through East) ! Clean map min=-0.006548 max=1.084 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2129-1538_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2129-1538_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2129-1538_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:28:30 2010