! Started logfile: J1246-2547_X_2000_12_04_pus_uvs.log on Fri Oct 12 15:24:03 2007 obs J1246-2547_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1246-2547_X_2000_12_04_pus_uva.fits ! AN table 1: 52 integrations on 190 of 190 possible baselines. ! AN table 2: 47 integrations on 190 of 190 possible baselines. ! AN table 3: 43 integrations on 190 of 190 possible baselines. ! AN table 4: 31 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.064679 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1246-2547 ! ! 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 2126 lines of history. ! ! Reading 8504 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 J1246-2547_X_2000_12_04_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 937 telescope corrections were flagged in sub-array 1. ! A total of 830 telescope corrections were flagged in sub-array 2. ! A total of 499 telescope corrections were flagged in sub-array 3. ! A total of 503 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 937 telescope corrections were flagged in sub-array 1. ! A total of 830 telescope corrections were flagged in sub-array 2. ! A total of 499 telescope corrections were flagged in sub-array 3. ! A total of 503 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 937 telescope corrections were flagged in sub-array 1. ! A total of 830 telescope corrections were flagged in sub-array 2. ! A total of 499 telescope corrections were flagged in sub-array 3. ! A total of 503 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 937 telescope corrections were flagged in sub-array 1. ! A total of 830 telescope corrections were flagged in sub-array 2. ! A total of 499 telescope corrections were flagged in sub-array 3. ! A total of 503 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.609654Jy sigma=0.016362 ! Fit after self-cal, rms=1.240895Jy sigma=0.012536 ! 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 0.938% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.6599 mas, bmaj=1.366 mas, bpa=-3.521 degrees ! Estimated noise=1588.07 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 = 1.6969 Jy ! Component: 100 - total flux cleaned = 2.07892 Jy ! Total flux subtracted in 100 components = 2.07892 Jy ! Clean residual min=-0.050721 max=0.136633 Jy/beam ! Clean residual mean=0.000452 rms=0.018398 Jy/beam ! Combined flux in latest and established models = 2.07892 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 2.07892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323565Jy sigma=0.003038 ! Fit after self-cal, rms=0.323570Jy sigma=0.003038 ! Inverting map ! Your choice of large map pixels excluded 0.938% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.1385 Jy ! Component: 100 - total flux cleaned = 0.206384 Jy ! Total flux subtracted in 100 components = 0.206384 Jy ! Clean residual min=-0.044998 max=0.058432 Jy/beam ! Clean residual mean=-0.000647 rms=0.011220 Jy/beam ! Combined flux in latest and established models = 2.28531 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 2.28531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254308Jy sigma=0.002110 ! Fit after self-cal, rms=0.254213Jy sigma=0.002110 ! Inverting map ! Your choice of large map pixels excluded 0.938% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 0.938% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8364 mas, bmaj=1.824 mas, bpa=-3.732 degrees ! Estimated noise=808.251 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 (0.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0614701 Jy ! Component: 100 - total flux cleaned = 0.0879013 Jy ! Component: 150 - total flux cleaned = 0.0927102 Jy ! Component: 200 - total flux cleaned = 0.0939852 Jy ! Total flux subtracted in 200 components = 0.0939852 Jy ! Clean residual min=-0.036310 max=0.021156 Jy/beam ! Clean residual mean=-0.003769 rms=0.007383 Jy/beam ! Combined flux in latest and established models = 2.37929 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 17 components and 2.37929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241009Jy sigma=0.001911 ! Fit after self-cal, rms=0.240424Jy sigma=0.001906 ! Inverting map ! Your choice of large map pixels excluded 0.938% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.95 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.02 MC 1.08 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.02 ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.11 MC 1.01 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.02 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.06 KK 0.88 KP 0.98 ! LA 1.01 MA 1.00* MC 1.00* MK 1.03 ! NL 1.04 NY 1.00* OV 0.98 PT 1.00 ! SC 1.03 TS 1.00* WF 1.32 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.04 ! LA 1.06 MA 1.00* MC 1.00* MK 0.98 ! NL 1.00* NY 1.00* OV 1.03 PT 1.02 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.03 MC 1.13 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 0.98 ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.12 MC 1.04 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.04 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.06 KK 1.05 KP 0.98 ! LA 0.99 MA 1.00* MC 1.00* MK 1.04 ! NL 0.98 NY 1.00* OV 0.98 PT 0.99 ! SC 1.04 TS 1.00* WF 1.00 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.05 ! LA 1.05 MA 1.00* MC 1.00* MK 0.99 ! NL 1.00* NY 1.00* OV 1.02 PT 1.02 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.89 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.05 MC 1.13 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.01 ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.83 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.10 MC 1.06 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.01 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.05 KK 1.03 KP 0.97 ! LA 0.99 MA 1.00* MC 1.00* MK 1.03 ! NL 0.97 NY 1.00* OV 0.93 PT 0.95 ! SC 1.04 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.04 ! LA 1.04 MA 1.00* MC 1.00* MK 0.98 ! NL 1.00* NY 1.00* OV 0.97 PT 0.97 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.86 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.06 MC 1.12 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.01 ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.84 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.07 MC 1.03 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.04 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.02 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00 KK 1.03 KP 0.96 ! LA 0.98 MA 1.00* MC 1.00* MK 0.99 ! NL 0.97 NY 1.00* OV 0.95 PT 0.93 ! SC 1.02 TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 1.04 ! LA 1.03 MA 1.00* MC 1.00* MK 0.95 ! NL 1.00* NY 1.00* OV 1.01 PT 0.95 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.240424Jy sigma=0.001906 ! Fit after self-cal, rms=0.162314Jy sigma=0.001376 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8402 mas, bmaj=1.898 mas, bpa=-4.78 degrees ! Estimated noise=815.655 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 = 0.00359261 Jy ! Component: 100 - total flux cleaned = 0.00391708 Jy ! Component: 150 - total flux cleaned = 0.00390782 Jy ! Component: 200 - total flux cleaned = 0.00367936 Jy ! Total flux subtracted in 200 components = 0.00367936 Jy ! Clean residual min=-0.011567 max=0.006471 Jy/beam ! Clean residual mean=-0.000254 rms=0.002430 Jy/beam ! Combined flux in latest and established models = 2.38297 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 34 components and 2.38297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161035Jy sigma=0.001360 ! Fit after self-cal, rms=0.160763Jy sigma=0.001359 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.160763Jy sigma=0.001359 ! Fit after self-cal, rms=0.160628Jy sigma=0.001358 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8406 mas, bmaj=1.899 mas, bpa=-4.84 degrees ! Estimated noise=815.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00272829 Jy ! Component: 100 - total flux cleaned = -0.00231152 Jy ! Component: 150 - total flux cleaned = -0.00249621 Jy ! Component: 200 - total flux cleaned = -0.00249723 Jy ! Total flux subtracted in 200 components = -0.00249723 Jy ! Clean residual min=-0.009608 max=0.005410 Jy/beam ! Clean residual mean=-0.000138 rms=0.002103 Jy/beam ! Combined flux in latest and established models = 2.38047 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 38 components and 2.38047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160118Jy sigma=0.001352 ! Fit after self-cal, rms=0.160024Jy sigma=0.001351 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = -0.000191933 Jy ! Component: 100 - total flux cleaned = 0.000396562 Jy ! Component: 150 - total flux cleaned = 0.000400647 Jy ! Component: 200 - total flux cleaned = 0.000401415 Jy ! Total flux subtracted in 200 components = 0.000401415 Jy ! Clean residual min=-0.008415 max=0.005273 Jy/beam ! Clean residual mean=-0.000148 rms=0.001958 Jy/beam ! Combined flux in latest and established models = 2.38088 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 45 components and 2.38088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159789Jy sigma=0.001349 ! Fit after self-cal, rms=0.159738Jy sigma=0.001349 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.159738Jy sigma=0.001349 ! Fit after self-cal, rms=0.159740Jy sigma=0.001348 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8411 mas, bmaj=1.901 mas, bpa=-4.892 degrees ! Estimated noise=815.123 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00348329 Jy ! Component: 100 - total flux cleaned = -0.00334254 Jy ! Component: 150 - total flux cleaned = -0.00345555 Jy ! Component: 200 - total flux cleaned = -0.00355774 Jy ! Total flux subtracted in 200 components = -0.00355774 Jy ! Clean residual min=-0.007346 max=0.005254 Jy/beam ! Clean residual mean=-0.000053 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 2.37732 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 2.37732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159514Jy sigma=0.001345 ! Fit after self-cal, rms=0.159468Jy sigma=0.001345 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = -0.000300556 Jy ! Component: 100 - total flux cleaned = -0.000192133 Jy ! Component: 150 - total flux cleaned = -0.000101826 Jy ! Component: 200 - total flux cleaned = -1.89796e-05 Jy ! Total flux subtracted in 200 components = -1.89796e-05 Jy ! Clean residual min=-0.006431 max=0.005251 Jy/beam ! Clean residual mean=-0.000052 rms=0.001712 Jy/beam ! Combined flux in latest and established models = 2.3773 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 2.3773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159355Jy sigma=0.001344 ! Fit after self-cal, rms=0.159328Jy sigma=0.001343 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.159328Jy sigma=0.001343 ! Fit after self-cal, rms=0.159415Jy sigma=0.001343 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.182 mas, bmaj=5.269 mas, bpa=5.615 degrees ! Estimated noise=1039.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00251887 Jy ! Component: 100 - total flux cleaned = -0.00228724 Jy ! Component: 150 - total flux cleaned = -0.0022236 Jy ! Component: 200 - total flux cleaned = -0.0021697 Jy ! Total flux subtracted in 200 components = -0.0021697 Jy ! Clean residual min=-0.005934 max=0.004712 Jy/beam ! Clean residual mean=-0.000081 rms=0.001769 Jy/beam ! Combined flux in latest and established models = 2.37513 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 55 components and 2.37513 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159335Jy sigma=0.001342 ! Fit after self-cal, rms=0.159292Jy sigma=0.001341 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = 7.11326e-05 Jy ! Component: 100 - total flux cleaned = 0.000188039 Jy ! Component: 150 - total flux cleaned = 0.000241733 Jy ! Component: 200 - total flux cleaned = 0.000241092 Jy ! Total flux subtracted in 200 components = 0.000241092 Jy ! Clean residual min=-0.005834 max=0.004539 Jy/beam ! Clean residual mean=-0.000096 rms=0.001731 Jy/beam ! Combined flux in latest and established models = 2.37537 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 57 components and 2.37537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159255Jy sigma=0.001341 ! Fit after self-cal, rms=0.159240Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8417 mas, bmaj=1.903 mas, bpa=-4.935 degrees ! Estimated noise=815.313 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8417 x 1.903 at -4.935 degrees (North through East) ! Clean map min=-0.007413 max=2.1569 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=0.159240Jy sigma=0.001341 ! Fit after self-cal, rms=0.143740Jy sigma=0.001199 ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.842 mas, bmaj=1.904 mas, bpa=-4.983 degrees ! Estimated noise=814.835 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00259175 Jy ! Component: 100 - total flux cleaned = -0.00278158 Jy ! Component: 150 - total flux cleaned = -0.00285858 Jy ! Component: 200 - total flux cleaned = -0.00306667 Jy ! Total flux subtracted in 200 components = -0.00306667 Jy ! Clean residual min=-0.004958 max=0.005218 Jy/beam ! Clean residual mean=0.000053 rms=0.001475 Jy/beam ! Combined flux in latest and established models = 2.3723 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 63 components and 2.3723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143639Jy sigma=0.001198 ! Fit after self-cal, rms=0.143615Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.35927e-05 Jy ! Component: 100 - total flux cleaned = -0.000104573 Jy ! Component: 150 - total flux cleaned = -0.000220163 Jy ! Component: 200 - total flux cleaned = -0.000274307 Jy ! Total flux subtracted in 200 components = -0.000274307 Jy ! Clean residual min=-0.004957 max=0.005145 Jy/beam ! Clean residual mean=0.000060 rms=0.001440 Jy/beam ! Combined flux in latest and established models = 2.37203 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 68 components and 2.37203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143576Jy sigma=0.001197 ! Fit after self-cal, rms=0.143565Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143565Jy sigma=0.001197 ! Fit after self-cal, rms=0.143634Jy sigma=0.001197 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 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.6927 mas, bmaj=1.337 mas, bpa=-6.255 degrees ! Estimated noise=1638.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.70635 Jy ! Component: 100 - total flux cleaned = 2.08713 Jy ! Component: 150 - total flux cleaned = 2.216 Jy ! Component: 200 - total flux cleaned = 2.27448 Jy ! Total flux subtracted in 200 components = 2.27448 Jy ! Clean residual min=-0.016087 max=0.028526 Jy/beam ! Clean residual mean=0.000738 rms=0.004985 Jy/beam ! Combined flux in latest and established models = 2.27448 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 11 model components to the UV plane model. ! The established model now contains 11 components and 2.27448 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8424 mas, bmaj=1.905 mas, bpa=-5.012 degrees ! Estimated noise=814.895 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 = 0.0414051 Jy ! Component: 100 - total flux cleaned = 0.0642897 Jy ! Component: 150 - total flux cleaned = 0.0782644 Jy ! Component: 200 - total flux cleaned = 0.0871425 Jy ! Total flux subtracted in 200 components = 0.0871425 Jy ! Clean residual min=-0.006970 max=0.007573 Jy/beam ! Clean residual mean=0.000287 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 2.36162 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 29 components and 2.36162 Jy ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.183 mas, bmaj=5.276 mas, bpa=5.571 degrees ! Estimated noise=1037.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0074801 Jy ! Component: 100 - total flux cleaned = 0.009908 Jy ! Component: 150 - total flux cleaned = 0.0101529 Jy ! Component: 200 - total flux cleaned = 0.0102918 Jy ! Total flux subtracted in 200 components = 0.0102918 Jy ! Clean residual min=-0.005168 max=0.004888 Jy/beam ! Clean residual mean=-0.000010 rms=0.001669 Jy/beam ! Combined flux in latest and established models = 2.37192 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 = 0.000184488 Jy ! Component: 100 - total flux cleaned = 0.000295719 Jy ! Component: 150 - total flux cleaned = 0.000344282 Jy ! Component: 200 - total flux cleaned = 0.000295673 Jy ! Total flux subtracted in 200 components = 0.000295673 Jy ! Clean residual min=-0.004952 max=0.004844 Jy/beam ! Clean residual mean=-0.000026 rms=0.001643 Jy/beam ! Combined flux in latest and established models = 2.37221 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 36 components and 2.37221 Jy ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.8424 mas, bmaj=1.905 mas, bpa=-5.012 degrees ! Estimated noise=814.895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00038826 Jy ! Component: 100 - total flux cleaned = -0.00038225 Jy ! Component: 150 - total flux cleaned = -0.000236302 Jy ! Component: 200 - total flux cleaned = -0.000100056 Jy ! Total flux subtracted in 200 components = -0.000100056 Jy ! Clean residual min=-0.006433 max=0.006251 Jy/beam ! Clean residual mean=-0.000010 rms=0.001638 Jy/beam ! Combined flux in latest and established models = 2.37211 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 2.37211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144839Jy sigma=0.001204 ! Fit after self-cal, rms=0.144655Jy sigma=0.001203 wmodel J1246-2547_X_2000_12_04_pus_map.mod ! Writing 46 model components to file: J1246-2547_X_2000_12_04_pus_map.mod wobs J1246-2547_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1246-2547_X_2000_12_04_pus_uvs.fits wwins J1246-2547_X_2000_12_04_pus_map.win ! wwins: Wrote 2 windows to J1246-2547_X_2000_12_04_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 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000971552 Jy ! Component: 100 - total flux cleaned = -0.00213873 Jy ! Component: 150 - total flux cleaned = -0.0024944 Jy ! Component: 200 - total flux cleaned = -0.00240949 Jy ! Component: 250 - total flux cleaned = -0.00257181 Jy ! Component: 300 - total flux cleaned = -0.00280411 Jy ! Component: 350 - total flux cleaned = -0.00287721 Jy ! Component: 400 - total flux cleaned = -0.00294848 Jy ! Component: 450 - total flux cleaned = -0.00315756 Jy ! Component: 500 - total flux cleaned = -0.00329328 Jy ! Component: 550 - total flux cleaned = -0.00335852 Jy ! Component: 600 - total flux cleaned = -0.00335854 Jy ! Component: 650 - total flux cleaned = -0.00342226 Jy ! Component: 700 - total flux cleaned = -0.00360526 Jy ! Component: 750 - total flux cleaned = -0.00378303 Jy ! Component: 800 - total flux cleaned = -0.003841 Jy ! Component: 850 - total flux cleaned = -0.00401213 Jy ! Component: 900 - total flux cleaned = -0.00406793 Jy ! Component: 950 - total flux cleaned = -0.00417815 Jy ! Component: 1000 - total flux cleaned = -0.00423195 Jy ! Total flux subtracted in 1024 components = -0.00423213 Jy ! Clean residual min=-0.003221 max=0.003204 Jy/beam ! Clean residual mean=0.000038 rms=0.001044 Jy/beam ! Combined flux in latest and established models = 2.36788 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 99 components and 2.36788 Jy ![Exited script file: muppet] wmap "J1246-2547_X_2000_12_04_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8424 x 1.905 at -5.012 degrees (North through East) ! Clean map min=-0.0041861 max=2.1564 Jy/beam ! Writing clean map to FITS file: J1246-2547_X_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.15636 invert ! Inverting map ! Your choice of large map pixels excluded 1.01% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00104502 device "J1246-2547_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1246-2547_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.145388 0.145388 0.290775 0.58155 1.1631 2.3262 4.6524 9.3048 18.6096 37.2192 74.4384 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.156 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8424 x 1.905 at -5.012 degrees (North through East) ! Clean map min=-0.0041861 max=2.1564 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1246-2547_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1246-2547_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1246-2547_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 15:24:07 2007