! Started logfile: J1924-2914_X_2000_12_04_pus_uvs.log on Fri Oct 12 15:33:37 2007 obs J1924-2914_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_2000_12_04_pus_uva.fits ! AN table 1: 86 integrations on 190 of 190 possible baselines. ! AN table 2: 66 integrations on 190 of 190 possible baselines. ! AN table 3: 10 integrations on 190 of 190 possible baselines. ! AN table 4: 55 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.056585 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 9332 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 J1924-2914_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 1432 telescope corrections were flagged in sub-array 1. ! A total of 1037 telescope corrections were flagged in sub-array 2. ! A total of 200 telescope corrections were flagged in sub-array 3. ! A total of 812 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1432 telescope corrections were flagged in sub-array 1. ! A total of 1037 telescope corrections were flagged in sub-array 2. ! A total of 200 telescope corrections were flagged in sub-array 3. ! A total of 812 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1431 telescope corrections were flagged in sub-array 1. ! A total of 1037 telescope corrections were flagged in sub-array 2. ! A total of 200 telescope corrections were flagged in sub-array 3. ! A total of 812 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1431 telescope corrections were flagged in sub-array 1. ! A total of 1037 telescope corrections were flagged in sub-array 2. ! A total of 200 telescope corrections were flagged in sub-array 3. ! A total of 812 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=6.182923Jy sigma=0.055291 ! Fit after self-cal, rms=5.853215Jy sigma=0.052460 ! 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 1.96% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6808 mas, bmaj=1.655 mas, bpa=0.02351 degrees ! Estimated noise=1616.02 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 = 4.75758 Jy ! Component: 100 - total flux cleaned = 6.2169 Jy ! Total flux subtracted in 100 components = 6.2169 Jy ! Clean residual min=-0.200473 max=0.626658 Jy/beam ! Clean residual mean=0.015131 rms=0.082369 Jy/beam ! Combined flux in latest and established models = 6.2169 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 6.2169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.709644Jy sigma=0.015087 ! Fit after self-cal, rms=1.707448Jy sigma=0.015073 ! Inverting map ! Your choice of large map pixels excluded 1.96% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.683092 Jy ! Component: 100 - total flux cleaned = 1.05495 Jy ! Total flux subtracted in 100 components = 1.05495 Jy ! Clean residual min=-0.151164 max=0.194172 Jy/beam ! Clean residual mean=0.008203 rms=0.051103 Jy/beam ! Combined flux in latest and established models = 7.27185 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 7.27185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.187979Jy sigma=0.010122 ! Fit after self-cal, rms=1.187045Jy sigma=0.010112 ! Inverting map ! Your choice of large map pixels excluded 1.96% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 1.96% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8072 mas, bmaj=1.707 mas, bpa=-3.036 degrees ! Estimated noise=906.629 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 = 0.547324 Jy ! Component: 100 - total flux cleaned = 0.822901 Jy ! Component: 150 - total flux cleaned = 0.972497 Jy ! Component: 200 - total flux cleaned = 1.05521 Jy ! Total flux subtracted in 200 components = 1.05521 Jy ! Clean residual min=-0.201502 max=0.302388 Jy/beam ! Clean residual mean=0.022954 rms=0.074491 Jy/beam ! Combined flux in latest and established models = 8.32706 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 8.32706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.937005Jy sigma=0.007768 ! Fit after self-cal, rms=0.935059Jy sigma=0.007757 ! Inverting map ! Your choice of large map pixels excluded 1.96% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 GC 1.00* GG 1.00* ! HH 1.18 HN 1.00* KK 0.95 KP 0.96 ! LA 0.98 MA 0.88 MC 0.99 MK 0.97 ! NL 1.00* NY 1.00* OV 1.02 PT 0.94 ! SC 1.00* TS 1.00* WF 1.00* WZ 0.94 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.15 FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.10 KK 1.00* KP 0.88 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.09 NY 1.00* OV 1.10 PT 0.96 ! SC 0.98 TS 1.00* WF 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 1.08 KP 0.99 ! LA 0.99 MA 1.00* MC 1.00* MK 0.95 ! NL 1.08 NY 1.00* OV 1.04 PT 0.94 ! SC 1.01 TS 1.00* WF 1.03 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 GC 1.00* GG 1.00* ! HH 1.18 HN 1.00* KK 0.93 KP 0.96 ! LA 0.97 MA 0.89 MC 1.00 MK 0.98 ! NL 1.00* NY 1.00* OV 1.00 PT 0.94 ! SC 1.00* TS 1.00* WF 1.00* WZ 0.95 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.15 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.10 KK 1.00* KP 0.88 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 1.10 PT 0.96 ! SC 0.98 TS 1.00* WF 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 1.04 KP 0.99 ! LA 0.98 MA 1.00* MC 1.00* MK 0.96 ! NL 1.03 NY 1.00* OV 1.04 PT 0.94 ! SC 1.01 TS 1.00* WF 1.03 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 GC 1.00* GG 1.00* ! HH 1.03 HN 1.00* KK 0.88 KP 0.95 ! LA 0.97 MA 0.90 MC 1.03 MK 0.96 ! NL 1.00* NY 1.00* OV 0.95 PT 0.91 ! SC 1.00* TS 1.00* WF 1.00* WZ 0.96 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.08 KK 1.00* KP 0.87 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 1.02 NY 1.00* OV 1.05 PT 0.94 ! SC 0.97 TS 1.00* WF 0.95 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.22 KK 1.07 KP 0.98 ! LA 0.99 MA 1.00* MC 1.00* MK 0.95 ! NL 1.01 NY 1.00* OV 0.99 PT 0.91 ! SC 1.01 TS 1.00* WF 1.00 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 153 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 GC 1.00* GG 1.00* ! HH 0.99 HN 1.00* KK 0.89 KP 0.95 ! LA 0.97 MA 0.89 MC 1.03 MK 0.93 ! NL 1.00* NY 1.00* OV 0.98 PT 0.90 ! SC 1.00* TS 1.00* WF 1.00* WZ 0.97 ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.04 KK 1.00* KP 0.89 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 1.03 NY 1.00* OV 1.08 PT 0.92 ! SC 0.96 TS 1.00* WF 0.96 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.02 GC 1.00* GG 1.00* ! HH 1.00* HN 1.16 KK 1.09 KP 0.99 ! LA 0.98 MA 1.00* MC 1.00* MK 0.92 ! NL 1.02 NY 1.00* OV 1.03 PT 0.89 ! SC 1.00 TS 1.00* WF 1.01 WZ 1.00* ! ! ! Fit before self-cal, rms=0.935059Jy sigma=0.007757 ! Fit after self-cal, rms=0.684506Jy sigma=0.005649 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8021 mas, bmaj=2.439 mas, bpa=-4.091 degrees ! Estimated noise=933.246 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 = 0.00645489 Jy ! Component: 100 - total flux cleaned = 0.00674204 Jy ! Component: 150 - total flux cleaned = 0.00663682 Jy ! Component: 200 - total flux cleaned = 0.00742533 Jy ! Total flux subtracted in 200 components = 0.00742533 Jy ! Clean residual min=-0.081232 max=0.275397 Jy/beam ! Clean residual mean=0.008917 rms=0.056561 Jy/beam ! Combined flux in latest and established models = 8.33448 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 38 components and 8.33448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.679327Jy sigma=0.005602 ! Fit after self-cal, rms=0.678540Jy sigma=0.005592 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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=0.678540Jy sigma=0.005592 ! Fit after self-cal, rms=0.677451Jy sigma=0.005586 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8032 mas, bmaj=2.449 mas, bpa=-4.152 degrees ! Estimated noise=934.959 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00438363 Jy ! Component: 100 - total flux cleaned = 0.00366648 Jy ! Component: 150 - total flux cleaned = 0.00167374 Jy ! Component: 200 - total flux cleaned = 0.00166513 Jy ! Total flux subtracted in 200 components = 0.00166513 Jy ! Clean residual min=-0.081699 max=0.277472 Jy/beam ! Clean residual mean=0.009182 rms=0.056289 Jy/beam ! Combined flux in latest and established models = 8.33615 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 39 components and 8.33615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.675260Jy sigma=0.005561 ! Fit after self-cal, rms=0.673985Jy sigma=0.005557 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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) ! Added new window around map position (4, 7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.262901 Jy ! Component: 100 - total flux cleaned = 0.404546 Jy ! Component: 150 - total flux cleaned = 0.47714 Jy ! Component: 200 - total flux cleaned = 0.493297 Jy ! Total flux subtracted in 200 components = 0.493297 Jy ! Clean residual min=-0.070313 max=0.149710 Jy/beam ! Clean residual mean=-0.002878 rms=0.029054 Jy/beam ! Combined flux in latest and established models = 8.82944 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 75 components and 8.82944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.571233Jy sigma=0.004392 ! Fit after self-cal, rms=0.556637Jy sigma=0.004283 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Added new window around map position (2.2, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.161637 Jy ! Component: 100 - total flux cleaned = 0.220073 Jy ! Component: 150 - total flux cleaned = 0.227429 Jy ! Component: 200 - total flux cleaned = 0.233833 Jy ! Total flux subtracted in 200 components = 0.233833 Jy ! Clean residual min=-0.072142 max=0.061645 Jy/beam ! Clean residual mean=-0.009601 rms=0.019448 Jy/beam ! Combined flux in latest and established models = 9.06328 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 101 components and 9.06327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.505787Jy sigma=0.003759 ! Fit after self-cal, rms=0.496911Jy sigma=0.003688 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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=0.496911Jy sigma=0.003688 ! Fit after self-cal, rms=0.457471Jy sigma=0.003376 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8048 mas, bmaj=2.447 mas, bpa=-4.101 degrees ! Estimated noise=935.805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0958862 Jy ! Component: 100 - total flux cleaned = 0.122721 Jy ! Component: 150 - total flux cleaned = 0.137625 Jy ! Component: 200 - total flux cleaned = 0.148228 Jy ! Total flux subtracted in 200 components = 0.148228 Jy ! Clean residual min=-0.060254 max=0.053253 Jy/beam ! Clean residual mean=-0.003333 rms=0.014913 Jy/beam ! Combined flux in latest and established models = 9.2115 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 117 components and 9.2115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431816Jy sigma=0.003068 ! Fit after self-cal, rms=0.428140Jy sigma=0.003036 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 = 0.0250987 Jy ! Component: 100 - total flux cleaned = 0.0313891 Jy ! Component: 150 - total flux cleaned = 0.0340438 Jy ! Component: 200 - total flux cleaned = 0.0352221 Jy ! Total flux subtracted in 200 components = 0.0352221 Jy ! Clean residual min=-0.051825 max=0.050811 Jy/beam ! Clean residual mean=-0.004397 rms=0.013263 Jy/beam ! Combined flux in latest and established models = 9.24672 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 129 components and 9.24672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.419454Jy sigma=0.002932 ! Fit after self-cal, rms=0.418211Jy sigma=0.002922 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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=0.418211Jy sigma=0.002922 ! Fit after self-cal, rms=0.408210Jy sigma=0.002853 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=2.211 mas, bmaj=5.168 mas, bpa=1.621 degrees ! Estimated noise=1181.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0572228 Jy ! Component: 100 - total flux cleaned = 0.0693037 Jy ! Component: 150 - total flux cleaned = 0.0675321 Jy ! Component: 200 - total flux cleaned = 0.0659685 Jy ! Total flux subtracted in 200 components = 0.0659685 Jy ! Clean residual min=-0.044005 max=0.043052 Jy/beam ! Clean residual mean=-0.005537 rms=0.014844 Jy/beam ! Combined flux in latest and established models = 9.31269 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 140 components and 9.31269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402882Jy sigma=0.002781 ! Fit after self-cal, rms=0.399908Jy sigma=0.002743 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 = 0.0156921 Jy ! Component: 100 - total flux cleaned = 0.0115116 Jy ! Component: 150 - total flux cleaned = 0.00918073 Jy ! Component: 200 - total flux cleaned = 0.00721979 Jy ! Total flux subtracted in 200 components = 0.00721979 Jy ! Clean residual min=-0.043881 max=0.038344 Jy/beam ! Clean residual mean=-0.006393 rms=0.013277 Jy/beam ! Combined flux in latest and established models = 9.31991 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 154 components and 9.31991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400533Jy sigma=0.002747 ! Fit after self-cal, rms=0.399725Jy sigma=0.002734 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8063 mas, bmaj=2.445 mas, bpa=-4.076 degrees ! Estimated noise=935.705 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8063 x 2.445 at -4.076 degrees (North through East) ! Clean map min=-0.041194 max=6.4398 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=0.399725Jy sigma=0.002734 ! Fit after self-cal, rms=0.308606Jy sigma=0.002132 ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8082 mas, bmaj=2.449 mas, bpa=-4.162 degrees ! Estimated noise=936.592 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00753839 Jy ! Component: 100 - total flux cleaned = 0.00138423 Jy ! Component: 150 - total flux cleaned = -0.000706316 Jy ! Component: 200 - total flux cleaned = -0.00164087 Jy ! Total flux subtracted in 200 components = -0.00164087 Jy ! Clean residual min=-0.034484 max=0.054996 Jy/beam ! Clean residual mean=-0.001321 rms=0.010123 Jy/beam ! Combined flux in latest and established models = 9.31827 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 166 components and 9.31827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300428Jy sigma=0.002041 ! Fit after self-cal, rms=0.299455Jy sigma=0.002034 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Added new window around map position (0.4, 5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0357826 Jy ! Component: 100 - total flux cleaned = 0.0337158 Jy ! Component: 150 - total flux cleaned = 0.0327633 Jy ! Component: 200 - total flux cleaned = 0.0318806 Jy ! Total flux subtracted in 200 components = 0.0318806 Jy ! Clean residual min=-0.030222 max=0.031063 Jy/beam ! Clean residual mean=-0.002398 rms=0.008866 Jy/beam ! Combined flux in latest and established models = 9.35015 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 181 components and 9.35015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291097Jy sigma=0.001935 ! Fit after self-cal, rms=0.289623Jy sigma=0.001925 ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289623Jy sigma=0.001925 ! Fit after self-cal, rms=0.287548Jy sigma=0.001903 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 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.6845 mas, bmaj=1.764 mas, bpa=-0.2103 degrees ! Estimated noise=1674.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.81808 Jy ! Component: 100 - total flux cleaned = 6.2821 Jy ! Component: 150 - total flux cleaned = 6.9424 Jy ! Component: 200 - total flux cleaned = 7.30389 Jy ! Total flux subtracted in 200 components = 7.30389 Jy ! Clean residual min=-0.090210 max=0.188451 Jy/beam ! Clean residual mean=0.009574 rms=0.039306 Jy/beam ! Combined flux in latest and established models = 7.30389 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 23 model components to the UV plane model. ! The established model now contains 23 components and 7.30389 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8092 mas, bmaj=2.448 mas, bpa=-4.136 degrees ! Estimated noise=936.497 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 = 0.569347 Jy ! Component: 100 - total flux cleaned = 0.948738 Jy ! Component: 150 - total flux cleaned = 1.21796 Jy ! Component: 200 - total flux cleaned = 1.41365 Jy ! Total flux subtracted in 200 components = 1.41365 Jy ! Clean residual min=-0.048618 max=0.113494 Jy/beam ! Clean residual mean=0.016658 rms=0.035823 Jy/beam ! Combined flux in latest and established models = 8.71754 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 97 components and 8.71754 Jy ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 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 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=2.211 mas, bmaj=5.181 mas, bpa=1.448 degrees ! Estimated noise=1178.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.252465 Jy ! Component: 100 - total flux cleaned = 0.395645 Jy ! Component: 150 - total flux cleaned = 0.481251 Jy ! Component: 200 - total flux cleaned = 0.534616 Jy ! Total flux subtracted in 200 components = 0.534616 Jy ! Clean residual min=-0.031435 max=0.044101 Jy/beam ! Clean residual mean=0.003070 rms=0.015332 Jy/beam ! Combined flux in latest and established models = 9.25216 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 = 0.0343027 Jy ! Component: 100 - total flux cleaned = 0.0570517 Jy ! Component: 150 - total flux cleaned = 0.0723651 Jy ! Component: 200 - total flux cleaned = 0.0798783 Jy ! Total flux subtracted in 200 components = 0.0798783 Jy ! Clean residual min=-0.026291 max=0.036227 Jy/beam ! Clean residual mean=-0.001840 rms=0.010420 Jy/beam ! Combined flux in latest and established models = 9.33204 Jy ! Adding 116 model components to the UV plane model. ! The established model now contains 196 components and 9.33204 Jy ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! Estimated beam: bmin=0.8092 mas, bmaj=2.448 mas, bpa=-4.136 degrees ! Estimated noise=936.497 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00796689 Jy ! Component: 100 - total flux cleaned = -0.00616203 Jy ! Component: 150 - total flux cleaned = -0.00540746 Jy ! Component: 200 - total flux cleaned = -0.00401131 Jy ! Total flux subtracted in 200 components = -0.00401131 Jy ! Clean residual min=-0.027824 max=0.036560 Jy/beam ! Clean residual mean=-0.000590 rms=0.008294 Jy/beam ! Combined flux in latest and established models = 9.32802 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 213 components and 9.32803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283850Jy sigma=0.001821 ! Fit after self-cal, rms=0.276998Jy sigma=0.001773 wmodel J1924-2914_X_2000_12_04_pus_map.mod ! Writing 213 model components to file: J1924-2914_X_2000_12_04_pus_map.mod wobs J1924-2914_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_2000_12_04_pus_uvs.fits wwins J1924-2914_X_2000_12_04_pus_map.win ! wwins: Wrote 4 windows to J1924-2914_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 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00572776 Jy ! Component: 100 - total flux cleaned = 0.0123537 Jy ! Component: 150 - total flux cleaned = 0.0142234 Jy ! Component: 200 - total flux cleaned = 0.0154822 Jy ! Component: 250 - total flux cleaned = 0.0150916 Jy ! Component: 300 - total flux cleaned = 0.0154596 Jy ! Component: 350 - total flux cleaned = 0.0154625 Jy ! Component: 400 - total flux cleaned = 0.0151217 Jy ! Component: 450 - total flux cleaned = 0.0141358 Jy ! Component: 500 - total flux cleaned = 0.0131884 Jy ! Component: 550 - total flux cleaned = 0.0125797 Jy ! Component: 600 - total flux cleaned = 0.0122784 Jy ! Component: 650 - total flux cleaned = 0.0114079 Jy ! Component: 700 - total flux cleaned = 0.0105672 Jy ! Component: 750 - total flux cleaned = 0.0100244 Jy ! Component: 800 - total flux cleaned = 0.00922468 Jy ! Component: 850 - total flux cleaned = 0.00844367 Jy ! Component: 900 - total flux cleaned = 0.00742852 Jy ! Component: 950 - total flux cleaned = 0.00693078 Jy ! Component: 1000 - total flux cleaned = 0.00571283 Jy ! Total flux subtracted in 1024 components = 0.00523342 Jy ! Clean residual min=-0.012378 max=0.011917 Jy/beam ! Clean residual mean=-0.000783 rms=0.004740 Jy/beam ! Combined flux in latest and established models = 9.33326 Jy keep ! Adding 56 model components to the UV plane model. ! The established model now contains 267 components and 9.33326 Jy ![Exited script file: muppet] wmap "J1924-2914_X_2000_12_04_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8092 x 2.448 at -4.136 degrees (North through East) ! Clean map min=-0.030362 max=6.5257 Jy/beam ! Writing clean map to FITS file: J1924-2914_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 6.52574 invert ! Inverting map ! Your choice of large map pixels excluded 1.97% of the data. ! The x-axis pixel size should ideally be below 0.1916 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00475659 device "J1924-2914_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.218669 0.218669 0.437338 0.874677 1.74935 3.49871 6.99741 13.9948 27.9897 55.9793 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0142 print "peak=",int(1000*peak_flux)/1000 ! peak= 6.525 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8092 x 2.448 at -4.136 degrees (North through East) ! Clean map min=-0.030362 max=6.5257 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 15:33:43 2007