! Started logfile: J2258-2758_X_1999_05_10_pus_uvs.log on Mon Jan 14 13:00:22 2008 obs J2258-2758_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J2258-2758_X_1999_05_10_pus_uva.fits ! AN table 1: 11 integrations on 153 of 153 possible baselines. ! AN table 2: 148 integrations on 153 of 153 possible baselines. ! AN table 3: 66 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.060915 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2258-2758 ! ! 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 1759 lines of history. ! ! Reading 8388 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2258-2758_X_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 = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 2310 telescope corrections were flagged in sub-array 2. ! A total of 1001 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 2310 telescope corrections were flagged in sub-array 2. ! A total of 984 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 2310 telescope corrections were flagged in sub-array 2. ! A total of 984 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 2361 telescope corrections were flagged in sub-array 2. ! A total of 984 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=3.226711Jy sigma=0.030259 ! Fit after self-cal, rms=3.082335Jy sigma=0.029850 ! 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 0.468% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.6662 mas, bmaj=1.307 mas, bpa=-0.007215 degrees ! Estimated noise=1639.61 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 = 3.09464 Jy ! Component: 100 - total flux cleaned = 3.81127 Jy ! Total flux subtracted in 100 components = 3.81127 Jy ! Clean residual min=-0.138480 max=0.279186 Jy/beam ! Clean residual mean=0.002644 rms=0.045611 Jy/beam ! Combined flux in latest and established models = 3.81127 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 3.81127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630894Jy sigma=0.006426 ! Fit after self-cal, rms=0.630850Jy sigma=0.006425 ! Inverting map ! Your choice of large map pixels excluded 0.468% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.313393 Jy ! Component: 100 - total flux cleaned = 0.488235 Jy ! Total flux subtracted in 100 components = 0.488235 Jy ! Clean residual min=-0.115600 max=0.151344 Jy/beam ! Clean residual mean=0.000304 rms=0.031132 Jy/beam ! Combined flux in latest and established models = 4.2995 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 4.2995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.475435Jy sigma=0.004287 ! Fit after self-cal, rms=0.475449Jy sigma=0.004287 ! Inverting map ! Your choice of large map pixels excluded 0.468% of the data. ! The x-axis pixel size should ideally be below 0.1985 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 0.468% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8132 mas, bmaj=1.95 mas, bpa=-5.703 degrees ! Estimated noise=912.958 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 = 0.121627 Jy ! Component: 100 - total flux cleaned = 0.179563 Jy ! Component: 150 - total flux cleaned = 0.209129 Jy ! Component: 200 - total flux cleaned = 0.222135 Jy ! Total flux subtracted in 200 components = 0.222135 Jy ! Clean residual min=-0.076780 max=0.093779 Jy/beam ! Clean residual mean=-0.008070 rms=0.025533 Jy/beam ! Combined flux in latest and established models = 4.52164 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 4.52164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.464373Jy sigma=0.003868 ! Fit after self-cal, rms=0.464347Jy sigma=0.003868 ! Inverting map ! Your choice of large map pixels excluded 0.468% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.95 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00 KP 0.98 LA 0.97 ! MC 1.00* MK 0.91 NL 0.99 NY 1.00* ! ON 1.00* OV 0.98 PT 1.00 SC 1.01 ! WF 1.10 WZ 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GC 1.00* HH 0.95 ! HN 0.98 KK 1.00* KP 0.99 LA 0.97 ! MC 1.15 MK 1.00* NL 1.16 NY 1.00* ! ON 1.00* OV 1.00 PT 1.02 SC 1.03 ! WF 1.92 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! 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* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.94 GC 1.00* HH 1.00* ! HN 1.05 KK 1.02 KP 0.99 LA 1.02 ! MC 1.00* MK 0.89 NL 0.96 NY 1.00* ! ON 1.00* OV 0.94 PT 0.92 SC 1.00 ! WF 1.16 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GC 1.00* HH 0.85 ! HN 0.98 KK 1.00* KP 1.01 LA 0.98 ! MC 1.28 MK 1.00* NL 1.20 NY 1.00* ! ON 1.00* OV 0.99 PT 0.93 SC 1.01 ! WF 1.05 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! 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* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.96 GC 1.00* HH 1.00* ! HN 1.06 KK 1.07 KP 1.00 LA 1.00 ! MC 1.00* MK 0.88 NL 0.99 NY 1.00* ! ON 1.00* OV 0.96 PT 0.93 SC 1.01 ! WF 1.18 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* HH 0.88 ! HN 1.02 KK 1.00* KP 1.03 LA 0.96 ! MC 1.33 MK 1.00* NL 1.18 NY 1.00* ! ON 1.00* OV 1.01 PT 0.93 SC 1.03 ! WF 1.04 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! 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* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.94 GC 1.00* HH 1.00* ! HN 1.06 KK 1.03 KP 0.99 LA 1.02 ! MC 1.00* MK 0.89 NL 0.98 NY 1.00* ! ON 1.00* OV 0.96 PT 0.94 SC 0.98 ! WF 1.16 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GC 1.00* HH 0.93 ! HN 1.02 KK 1.00* KP 1.01 LA 0.98 ! MC 1.31 MK 1.00* NL 1.18 NY 1.00* ! ON 1.00* OV 1.01 PT 0.96 SC 1.00 ! WF 1.03 WZ 1.00* ! ! ! Fit before self-cal, rms=0.464347Jy sigma=0.003868 ! Fit after self-cal, rms=0.316117Jy sigma=0.002157 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8292 mas, bmaj=2.231 mas, bpa=-6.233 degrees ! Estimated noise=921.256 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 = -0.012002 Jy ! Component: 100 - total flux cleaned = -0.0134763 Jy ! Component: 150 - total flux cleaned = -0.0141416 Jy ! Component: 200 - total flux cleaned = -0.0147858 Jy ! Total flux subtracted in 200 components = -0.0147858 Jy ! Clean residual min=-0.041233 max=0.032980 Jy/beam ! Clean residual mean=-0.001716 rms=0.008589 Jy/beam ! Combined flux in latest and established models = 4.50685 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 4.50685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312378Jy sigma=0.002128 ! Fit after self-cal, rms=0.313104Jy sigma=0.002128 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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=0.313104Jy sigma=0.002128 ! Fit after self-cal, rms=0.308405Jy sigma=0.002113 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8308 mas, bmaj=2.236 mas, bpa=-6.22 degrees ! Estimated noise=920.805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0105246 Jy ! Component: 100 - total flux cleaned = -0.0117499 Jy ! Component: 150 - total flux cleaned = -0.0128244 Jy ! Component: 200 - total flux cleaned = -0.013322 Jy ! Total flux subtracted in 200 components = -0.013322 Jy ! Clean residual min=-0.035773 max=0.033208 Jy/beam ! Clean residual mean=-0.001503 rms=0.008031 Jy/beam ! Combined flux in latest and established models = 4.49353 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 30 components and 4.49353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305806Jy sigma=0.002093 ! Fit after self-cal, rms=0.305934Jy sigma=0.002093 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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 = -0.00050379 Jy ! Component: 100 - total flux cleaned = -0.000955809 Jy ! Component: 150 - total flux cleaned = -0.00139323 Jy ! Component: 200 - total flux cleaned = -0.00218831 Jy ! Total flux subtracted in 200 components = -0.00218831 Jy ! Clean residual min=-0.032263 max=0.033644 Jy/beam ! Clean residual mean=-0.001442 rms=0.007758 Jy/beam ! Combined flux in latest and established models = 4.49134 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 4.49134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304471Jy sigma=0.002084 ! Fit after self-cal, rms=0.304512Jy sigma=0.002084 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Added new window around map position (-3, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0318109 Jy ! Component: 100 - total flux cleaned = 0.0405486 Jy ! Component: 150 - total flux cleaned = 0.0411174 Jy ! Component: 200 - total flux cleaned = 0.0406734 Jy ! Total flux subtracted in 200 components = 0.0406734 Jy ! Clean residual min=-0.032523 max=0.018465 Jy/beam ! Clean residual mean=-0.002483 rms=0.005900 Jy/beam ! Combined flux in latest and established models = 4.53201 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 49 components and 4.53201 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300842Jy sigma=0.002038 ! Fit after self-cal, rms=0.300072Jy sigma=0.002031 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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=0.300072Jy sigma=0.002031 ! Fit after self-cal, rms=0.299769Jy sigma=0.002026 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.832 mas, bmaj=2.238 mas, bpa=-6.157 degrees ! Estimated noise=920.846 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0074103 Jy ! Component: 100 - total flux cleaned = 0.00895181 Jy ! Component: 150 - total flux cleaned = 0.00849993 Jy ! Component: 200 - total flux cleaned = 0.00851908 Jy ! Total flux subtracted in 200 components = 0.00851908 Jy ! Clean residual min=-0.028439 max=0.013452 Jy/beam ! Clean residual mean=-0.002672 rms=0.004961 Jy/beam ! Combined flux in latest and established models = 4.54053 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 4.54053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298085Jy sigma=0.002006 ! Fit after self-cal, rms=0.297759Jy sigma=0.002004 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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 = 0.00654438 Jy ! Component: 100 - total flux cleaned = 0.00655832 Jy ! Component: 150 - total flux cleaned = 0.00655204 Jy ! Component: 200 - total flux cleaned = 0.00622702 Jy ! Total flux subtracted in 200 components = 0.00622702 Jy ! Clean residual min=-0.026843 max=0.011245 Jy/beam ! Clean residual mean=-0.002835 rms=0.004508 Jy/beam ! Combined flux in latest and established models = 4.54676 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 59 components and 4.54676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296908Jy sigma=0.001996 ! Fit after self-cal, rms=0.296801Jy sigma=0.001995 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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=0.296801Jy sigma=0.001995 ! Fit after self-cal, rms=0.296471Jy sigma=0.001992 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=2.115 mas, bmaj=5.002 mas, bpa=-4.35 degrees ! Estimated noise=1120.39 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0092012 Jy ! Component: 100 - total flux cleaned = -0.00997093 Jy ! Component: 150 - total flux cleaned = -0.0109116 Jy ! Component: 200 - total flux cleaned = -0.0114527 Jy ! Total flux subtracted in 200 components = -0.0114527 Jy ! Clean residual min=-0.018299 max=0.006203 Jy/beam ! Clean residual mean=-0.005399 rms=0.004296 Jy/beam ! Combined flux in latest and established models = 4.53531 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 68 components and 4.53531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296197Jy sigma=0.001987 ! Fit after self-cal, rms=0.295777Jy sigma=0.001984 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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 = 0.000771103 Jy ! Component: 100 - total flux cleaned = 0.000535511 Jy ! Component: 150 - total flux cleaned = 0.000330746 Jy ! Component: 200 - total flux cleaned = 0.000146711 Jy ! Total flux subtracted in 200 components = 0.000146711 Jy ! Clean residual min=-0.017791 max=0.004972 Jy/beam ! Clean residual mean=-0.005407 rms=0.004154 Jy/beam ! Combined flux in latest and established models = 4.53545 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 72 components and 4.53545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295774Jy sigma=0.001984 ! Fit after self-cal, rms=0.295591Jy sigma=0.001983 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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 ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8332 mas, bmaj=2.24 mas, bpa=-6.092 degrees ! Estimated noise=921.102 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8332 x 2.24 at -6.092 degrees (North through East) ! Clean map min=-0.016887 max=4.0615 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=0.295591Jy sigma=0.001983 ! Fit after self-cal, rms=0.265846Jy sigma=0.001225 ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8345 mas, bmaj=2.242 mas, bpa=-5.992 degrees ! Estimated noise=917.927 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00315266 Jy ! Component: 100 - total flux cleaned = -0.00349261 Jy ! Component: 150 - total flux cleaned = -0.00349634 Jy ! Component: 200 - total flux cleaned = -0.00376662 Jy ! Total flux subtracted in 200 components = -0.00376661 Jy ! Clean residual min=-0.020243 max=0.010137 Jy/beam ! Clean residual mean=-0.002104 rms=0.003186 Jy/beam ! Combined flux in latest and established models = 4.53169 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 75 components and 4.53169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264836Jy sigma=0.001212 ! Fit after self-cal, rms=0.264885Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00229547 Jy ! Component: 100 - total flux cleaned = 0.00229615 Jy ! Component: 150 - total flux cleaned = 0.0023048 Jy ! Component: 200 - total flux cleaned = 0.00249599 Jy ! Total flux subtracted in 200 components = 0.00249599 Jy ! Clean residual min=-0.018901 max=0.008522 Jy/beam ! Clean residual mean=-0.002171 rms=0.002980 Jy/beam ! Combined flux in latest and established models = 4.53418 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 80 components and 4.53418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264490Jy sigma=0.001206 ! Fit after self-cal, rms=0.264532Jy sigma=0.001206 ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264532Jy sigma=0.001206 ! Fit after self-cal, rms=0.264178Jy sigma=0.001201 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 ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.6765 mas, bmaj=1.496 mas, bpa=-0.1529 degrees ! Estimated noise=1632.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.13518 Jy ! Component: 100 - total flux cleaned = 3.84007 Jy ! Component: 150 - total flux cleaned = 4.09659 Jy ! Component: 200 - total flux cleaned = 4.23466 Jy ! Total flux subtracted in 200 components = 4.23466 Jy ! Clean residual min=-0.036585 max=0.077893 Jy/beam ! Clean residual mean=0.001265 rms=0.012694 Jy/beam ! Combined flux in latest and established models = 4.23465 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 18 model components to the UV plane model. ! The established model now contains 18 components and 4.23465 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8356 mas, bmaj=2.243 mas, bpa=-5.945 degrees ! Estimated noise=917.558 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, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108034 Jy ! Component: 100 - total flux cleaned = 0.173166 Jy ! Component: 150 - total flux cleaned = 0.215687 Jy ! Component: 200 - total flux cleaned = 0.244027 Jy ! Total flux subtracted in 200 components = 0.244027 Jy ! Clean residual min=-0.014168 max=0.016541 Jy/beam ! Clean residual mean=-0.000653 rms=0.004613 Jy/beam ! Combined flux in latest and established models = 4.47868 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 57 components and 4.47868 Jy ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec 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 ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=2.115 mas, bmaj=5.007 mas, bpa=-4.336 degrees ! Estimated noise=1113.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0266314 Jy ! Component: 100 - total flux cleaned = 0.0391666 Jy ! Component: 150 - total flux cleaned = 0.0407467 Jy ! Component: 200 - total flux cleaned = 0.0404905 Jy ! Total flux subtracted in 200 components = 0.0404905 Jy ! Clean residual min=-0.011881 max=0.004875 Jy/beam ! Clean residual mean=-0.003860 rms=0.003042 Jy/beam ! Combined flux in latest and established models = 4.51917 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 = -0.000226659 Jy ! Component: 100 - total flux cleaned = -0.000430255 Jy ! Component: 150 - total flux cleaned = -0.00061512 Jy ! Component: 200 - total flux cleaned = -0.000783784 Jy ! Total flux subtracted in 200 components = -0.000783784 Jy ! Clean residual min=-0.011296 max=0.004429 Jy/beam ! Clean residual mean=-0.003826 rms=0.002770 Jy/beam ! Combined flux in latest and established models = 4.51839 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 86 components and 4.51839 Jy ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! Estimated beam: bmin=0.8356 mas, bmaj=2.243 mas, bpa=-5.945 degrees ! Estimated noise=917.558 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00182434 Jy ! Component: 100 - total flux cleaned = -0.00181497 Jy ! Component: 150 - total flux cleaned = -0.00214434 Jy ! Component: 200 - total flux cleaned = -0.00244882 Jy ! Total flux subtracted in 200 components = -0.00244882 Jy ! Clean residual min=-0.010815 max=0.008673 Jy/beam ! Clean residual mean=-0.001672 rms=0.002636 Jy/beam ! Combined flux in latest and established models = 4.51594 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 106 components and 4.51594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265002Jy sigma=0.001206 ! Fit after self-cal, rms=0.265024Jy sigma=0.001204 wmodel J2258-2758_X_1999_05_10_pus_map.mod ! Writing 106 model components to file: J2258-2758_X_1999_05_10_pus_map.mod wobs J2258-2758_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J2258-2758_X_1999_05_10_pus_uvs.fits wwins J2258-2758_X_1999_05_10_pus_map.win ! wwins: Wrote 3 windows to J2258-2758_X_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 ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00471178 Jy ! Component: 100 - total flux cleaned = -0.0089286 Jy ! Component: 150 - total flux cleaned = -0.0125305 Jy ! Component: 200 - total flux cleaned = -0.0156343 Jy ! Component: 250 - total flux cleaned = -0.0187473 Jy ! Component: 300 - total flux cleaned = -0.0217446 Jy ! Component: 350 - total flux cleaned = -0.0243794 Jy ! Component: 400 - total flux cleaned = -0.0268074 Jy ! Component: 450 - total flux cleaned = -0.0291685 Jy ! Component: 500 - total flux cleaned = -0.0314665 Jy ! Component: 550 - total flux cleaned = -0.0334722 Jy ! Component: 600 - total flux cleaned = -0.035087 Jy ! Component: 650 - total flux cleaned = -0.0367811 Jy ! Component: 700 - total flux cleaned = -0.0385523 Jy ! Component: 750 - total flux cleaned = -0.0400716 Jy ! Component: 800 - total flux cleaned = -0.0415625 Jy ! Component: 850 - total flux cleaned = -0.0430244 Jy ! Component: 900 - total flux cleaned = -0.0441537 Jy ! Component: 950 - total flux cleaned = -0.0454657 Jy ! Component: 1000 - total flux cleaned = -0.0467544 Jy ! Total flux subtracted in 1024 components = -0.0473406 Jy ! Clean residual min=-0.005621 max=0.004877 Jy/beam ! Clean residual mean=-0.000915 rms=0.001866 Jy/beam ! Combined flux in latest and established models = 4.4686 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 172 components and 4.4686 Jy ![Exited script file: muppet] wmap "J2258-2758_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8356 x 2.243 at -5.945 degrees (North through East) ! Clean map min=-0.010212 max=4.0664 Jy/beam ! Writing clean map to FITS file: J2258-2758_X_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 4.06635 invert ! Inverting map ! Your choice of large map pixels excluded 0.432% of the data. ! The x-axis pixel size should ideally be below 0.1985 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00187955 device "J2258-2758_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.138666 0.138666 0.277331 0.554663 1.10933 2.21865 4.4373 8.87461 17.7492 35.4984 70.9968 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0056 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.066 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8356 x 2.243 at -5.945 degrees (North through East) ! Clean map min=-0.010212 max=4.0664 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_X_1999_05_10_pus_uvs.log closed on Mon Jan 14 13:00:29 2008