! Started logfile: J1911-2006_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:34:14 2007 obs J1911-2006_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J1911-2006_X_2000_05_22_pus_uva.fits ! AN table 1: 22 integrations on 190 of 190 possible baselines. ! AN table 2: 109 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.072037 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1911-2006 ! ! 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 1884 lines of history. ! ! Reading 7172 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 J1911-2006_X_2000_05_22_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 219 telescope corrections were flagged in sub-array 1. ! A total of 1884 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 219 telescope corrections were flagged in sub-array 1. ! A total of 1884 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 219 telescope corrections were flagged in sub-array 1. ! A total of 1884 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 219 telescope corrections were flagged in sub-array 1. ! A total of 1884 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.033501Jy sigma=0.026882 ! Fit after self-cal, rms=1.301532Jy sigma=0.016975 ! 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 2.38% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.5968 mas, bmaj=1.394 mas, bpa=-1.627 degrees ! Estimated noise=1134.29 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 = 1.62025 Jy ! Component: 100 - total flux cleaned = 2.09487 Jy ! Total flux subtracted in 100 components = 2.09487 Jy ! Clean residual min=-0.068495 max=0.195149 Jy/beam ! Clean residual mean=0.004410 rms=0.029115 Jy/beam ! Combined flux in latest and established models = 2.09487 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 2.09487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.452047Jy sigma=0.005846 ! Fit after self-cal, rms=0.451609Jy sigma=0.005842 ! Inverting map ! Your choice of large map pixels excluded 2.38% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.225417 Jy ! Component: 100 - total flux cleaned = 0.355257 Jy ! Total flux subtracted in 100 components = 0.355257 Jy ! Clean residual min=-0.036884 max=0.074166 Jy/beam ! Clean residual mean=0.001736 rms=0.013767 Jy/beam ! Combined flux in latest and established models = 2.45012 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 2.45012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280462Jy sigma=0.003281 ! Fit after self-cal, rms=0.279863Jy sigma=0.003276 ! Inverting map ! Your choice of large map pixels excluded 2.38% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 2.38% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7213 mas, bmaj=1.95 mas, bpa=-6.715 degrees ! Estimated noise=765.771 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 = 0.117711 Jy ! Component: 100 - total flux cleaned = 0.171708 Jy ! Component: 150 - total flux cleaned = 0.197684 Jy ! Component: 200 - total flux cleaned = 0.206934 Jy ! Total flux subtracted in 200 components = 0.206934 Jy ! Clean residual min=-0.043684 max=0.074577 Jy/beam ! Clean residual mean=0.001451 rms=0.014396 Jy/beam ! Combined flux in latest and established models = 2.65706 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 30 components and 2.65706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244420Jy sigma=0.002504 ! Fit after self-cal, rms=0.244277Jy sigma=0.002503 ! Inverting map ! Your choice of large map pixels excluded 2.38% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 0.96 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 1.02 KP 1.00 ! MA 1.00* MC 1.00* MK 0.98 NL 1.04 ! NY 1.00* OV 0.96 PT 0.97 SC 1.04 ! TS 1.00* WF 1.08 WZ 1.00* LA 1.01 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00 HN 1.00* KK 1.00 KP 0.97 ! MA 0.92 MC 1.04 MK 0.99 NL 1.00* ! NY 1.00* OV 0.96 PT 1.00 SC 1.13 ! TS 1.00 WF 1.00* WZ 1.03 LA 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 1.02 KP 0.96 ! MA 1.00* MC 1.00* MK 0.97 NL 1.07 ! NY 1.00* OV 0.99 PT 0.93 SC 1.03 ! TS 1.00* WF 1.09 WZ 1.00* LA 0.97 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.04 GC 1.00* GG 1.00* ! HH 1.04 HN 1.00* KK 1.04 KP 0.92 ! MA 0.97 MC 1.06 MK 0.98 NL 1.00* ! NY 1.00* OV 1.01 PT 0.96 SC 1.12 ! TS 0.99 WF 1.00* WZ 1.03 LA 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 0.97 KP 1.01 ! MA 1.00* MC 1.00* MK 0.99 NL 1.05 ! NY 1.00* OV 0.96 PT 0.95 SC 1.05 ! TS 1.00* WF 1.10 WZ 1.00* LA 1.02 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.02 GC 1.00* GG 1.00* ! HH 1.09 HN 1.00* KK 1.00 KP 0.96 ! MA 0.96 MC 1.02 MK 1.01 NL 1.00* ! NY 1.00* OV 0.97 PT 0.98 SC 1.14 ! TS 0.98 WF 1.00* WZ 1.09 LA 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.14 KK 1.00 KP 1.01 ! MA 1.00* MC 1.00* MK 1.01 NL 1.05 ! NY 1.00* OV 0.96 PT 0.97 SC 1.04 ! TS 1.00* WF 1.06 WZ 1.00* LA 0.98 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.02 KP 0.97 ! MA 0.94 MC 1.06 MK 1.04 NL 1.00* ! NY 1.00* OV 0.97 PT 0.99 SC 1.13 ! TS 0.96 WF 1.00* WZ 1.06 LA 1.00* ! ! ! Fit before self-cal, rms=0.244277Jy sigma=0.002503 ! Fit after self-cal, rms=0.211539Jy sigma=0.001918 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7233 mas, bmaj=2.106 mas, bpa=-6.744 degrees ! Estimated noise=772.507 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 (1.4, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0423872 Jy ! Component: 100 - total flux cleaned = 0.0580794 Jy ! Component: 150 - total flux cleaned = 0.0622682 Jy ! Component: 200 - total flux cleaned = 0.0641678 Jy ! Total flux subtracted in 200 components = 0.0641678 Jy ! Clean residual min=-0.012546 max=0.022272 Jy/beam ! Clean residual mean=0.001031 rms=0.005063 Jy/beam ! Combined flux in latest and established models = 2.72123 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 2.72123 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203306Jy sigma=0.001769 ! Fit after self-cal, rms=0.202559Jy sigma=0.001758 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.202559Jy sigma=0.001758 ! Fit after self-cal, rms=0.198855Jy sigma=0.001735 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7213 mas, bmaj=2.099 mas, bpa=-6.781 degrees ! Estimated noise=770.995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0193261 Jy ! Component: 100 - total flux cleaned = 0.0239006 Jy ! Component: 150 - total flux cleaned = 0.0263769 Jy ! Component: 200 - total flux cleaned = 0.0284034 Jy ! Total flux subtracted in 200 components = 0.0284034 Jy ! Clean residual min=-0.010606 max=0.020167 Jy/beam ! Clean residual mean=0.001014 rms=0.004123 Jy/beam ! Combined flux in latest and established models = 2.74963 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 63 components and 2.74963 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196852Jy sigma=0.001697 ! Fit after self-cal, rms=0.196502Jy sigma=0.001693 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 (3.6, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0189707 Jy ! Component: 100 - total flux cleaned = 0.025394 Jy ! Component: 150 - total flux cleaned = 0.0281946 Jy ! Component: 200 - total flux cleaned = 0.0305933 Jy ! Total flux subtracted in 200 components = 0.0305933 Jy ! Clean residual min=-0.012440 max=0.012994 Jy/beam ! Clean residual mean=0.000330 rms=0.003157 Jy/beam ! Combined flux in latest and established models = 2.78022 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 2.78022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194762Jy sigma=0.001654 ! Fit after self-cal, rms=0.194678Jy sigma=0.001652 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.194678Jy sigma=0.001652 ! Fit after self-cal, rms=0.193629Jy sigma=0.001640 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7209 mas, bmaj=2.097 mas, bpa=-6.796 degrees ! Estimated noise=770.569 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0093322 Jy ! Component: 100 - total flux cleaned = 0.0132557 Jy ! Component: 150 - total flux cleaned = 0.0162116 Jy ! Component: 200 - total flux cleaned = 0.0182742 Jy ! Total flux subtracted in 200 components = 0.0182742 Jy ! Clean residual min=-0.010142 max=0.010878 Jy/beam ! Clean residual mean=0.000482 rms=0.002566 Jy/beam ! Combined flux in latest and established models = 2.7985 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 86 components and 2.7985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192721Jy sigma=0.001624 ! Fit after self-cal, rms=0.192619Jy sigma=0.001622 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 = 0.00235361 Jy ! Component: 100 - total flux cleaned = 0.00389603 Jy ! Component: 150 - total flux cleaned = 0.00492064 Jy ! Component: 200 - total flux cleaned = 0.005383 Jy ! Total flux subtracted in 200 components = 0.005383 Jy ! Clean residual min=-0.008725 max=0.009551 Jy/beam ! Clean residual mean=0.000366 rms=0.002365 Jy/beam ! Combined flux in latest and established models = 2.80388 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 2.80388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192252Jy sigma=0.001617 ! Fit after self-cal, rms=0.192224Jy sigma=0.001616 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.192224Jy sigma=0.001616 ! Fit after self-cal, rms=0.192145Jy sigma=0.001612 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=2.171 mas, bmaj=5.115 mas, bpa=7.24 degrees ! Estimated noise=978.006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00619657 Jy ! Component: 100 - total flux cleaned = 0.00779383 Jy ! Component: 150 - total flux cleaned = 0.00921689 Jy ! Component: 200 - total flux cleaned = 0.0100685 Jy ! Total flux subtracted in 200 components = 0.0100685 Jy ! Clean residual min=-0.006805 max=0.013091 Jy/beam ! Clean residual mean=0.001020 rms=0.003048 Jy/beam ! Combined flux in latest and established models = 2.81395 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 112 components and 2.81395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191918Jy sigma=0.001607 ! Fit after self-cal, rms=0.191831Jy sigma=0.001606 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 = 0.00160093 Jy ! Component: 100 - total flux cleaned = 0.00248904 Jy ! Component: 150 - total flux cleaned = 0.0030816 Jy ! Component: 200 - total flux cleaned = 0.00328607 Jy ! Total flux subtracted in 200 components = 0.00328607 Jy ! Clean residual min=-0.006489 max=0.011559 Jy/beam ! Clean residual mean=0.000860 rms=0.002859 Jy/beam ! Combined flux in latest and established models = 2.81723 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 129 components and 2.81723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191780Jy sigma=0.001605 ! Fit after self-cal, rms=0.191733Jy sigma=0.001604 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7209 mas, bmaj=2.097 mas, bpa=-6.805 degrees ! Estimated noise=770.796 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7209 x 2.097 at -6.805 degrees (North through East) ! Clean map min=-0.0063129 max=2.2135 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=0.191733Jy sigma=0.001604 ! Fit after self-cal, rms=0.175413Jy sigma=0.001471 ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7209 mas, bmaj=2.097 mas, bpa=-6.811 degrees ! Estimated noise=770.307 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187725 Jy ! Component: 100 - total flux cleaned = 0.00202469 Jy ! Component: 150 - total flux cleaned = 0.00231515 Jy ! Component: 200 - total flux cleaned = 0.00218392 Jy ! Total flux subtracted in 200 components = 0.00218392 Jy ! Clean residual min=-0.007084 max=0.006667 Jy/beam ! Clean residual mean=0.000398 rms=0.001829 Jy/beam ! Combined flux in latest and established models = 2.81942 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 141 components and 2.81942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175084Jy sigma=0.001466 ! Fit after self-cal, rms=0.175070Jy sigma=0.001466 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000598247 Jy ! Component: 100 - total flux cleaned = 0.000724051 Jy ! Component: 150 - total flux cleaned = 0.000951972 Jy ! Component: 200 - total flux cleaned = 0.00105827 Jy ! Total flux subtracted in 200 components = 0.00105827 Jy ! Clean residual min=-0.006277 max=0.006453 Jy/beam ! Clean residual mean=0.000376 rms=0.001758 Jy/beam ! Combined flux in latest and established models = 2.82048 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 145 components and 2.82048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174900Jy sigma=0.001464 ! Fit after self-cal, rms=0.174894Jy sigma=0.001464 ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174894Jy sigma=0.001464 ! Fit after self-cal, rms=0.174809Jy sigma=0.001463 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 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.5974 mas, bmaj=1.514 mas, bpa=-1.9 degrees ! Estimated noise=1140.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.6463 Jy ! Component: 100 - total flux cleaned = 2.11304 Jy ! Component: 150 - total flux cleaned = 2.3329 Jy ! Component: 200 - total flux cleaned = 2.45844 Jy ! Total flux subtracted in 200 components = 2.45844 Jy ! Clean residual min=-0.031549 max=0.069842 Jy/beam ! Clean residual mean=0.002507 rms=0.012030 Jy/beam ! Combined flux in latest and established models = 2.45844 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 2.45844 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7212 mas, bmaj=2.097 mas, bpa=-6.804 degrees ! Estimated noise=770.515 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 = 0.119016 Jy ! Component: 100 - total flux cleaned = 0.189695 Jy ! Component: 150 - total flux cleaned = 0.235375 Jy ! Component: 200 - total flux cleaned = 0.266617 Jy ! Total flux subtracted in 200 components = 0.266617 Jy ! Clean residual min=-0.009650 max=0.021600 Jy/beam ! Clean residual mean=0.002479 rms=0.004914 Jy/beam ! Combined flux in latest and established models = 2.72506 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 48 components and 2.72506 Jy ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Added new window around map position (-0.2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0239002 Jy ! Component: 100 - total flux cleaned = 0.0412001 Jy ! Component: 150 - total flux cleaned = 0.0543691 Jy ! Component: 200 - total flux cleaned = 0.0647018 Jy ! Total flux subtracted in 200 components = 0.0647018 Jy ! Clean residual min=-0.006759 max=0.008535 Jy/beam ! Clean residual mean=0.001065 rms=0.002244 Jy/beam ! Combined flux in latest and established models = 2.78976 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 74 components and 2.78976 Jy ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=2.169 mas, bmaj=5.115 mas, bpa=7.192 degrees ! Estimated noise=977.454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0122606 Jy ! Component: 100 - total flux cleaned = 0.0199183 Jy ! Component: 150 - total flux cleaned = 0.0249002 Jy ! Component: 200 - total flux cleaned = 0.0281747 Jy ! Total flux subtracted in 200 components = 0.0281747 Jy ! Clean residual min=-0.004398 max=0.007895 Jy/beam ! Clean residual mean=0.001114 rms=0.002154 Jy/beam ! Combined flux in latest and established models = 2.81794 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 = 0.00216496 Jy ! Component: 100 - total flux cleaned = 0.00341296 Jy ! Component: 150 - total flux cleaned = 0.00382198 Jy ! Component: 200 - total flux cleaned = 0.00402157 Jy ! Total flux subtracted in 200 components = 0.00402157 Jy ! Clean residual min=-0.004210 max=0.007128 Jy/beam ! Clean residual mean=0.000914 rms=0.002089 Jy/beam ! Combined flux in latest and established models = 2.82196 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 122 components and 2.82196 Jy ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.7212 mas, bmaj=2.097 mas, bpa=-6.804 degrees ! Estimated noise=770.515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00180138 Jy ! Component: 100 - total flux cleaned = -0.00197248 Jy ! Component: 150 - total flux cleaned = -0.00182127 Jy ! Component: 200 - total flux cleaned = -0.00168018 Jy ! Total flux subtracted in 200 components = -0.00168018 Jy ! Clean residual min=-0.005543 max=0.005758 Jy/beam ! Clean residual mean=0.000414 rms=0.001632 Jy/beam ! Combined flux in latest and established models = 2.82028 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 138 components and 2.82028 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176206Jy sigma=0.001468 ! Fit after self-cal, rms=0.175941Jy sigma=0.001464 wmodel J1911-2006_X_2000_05_22_pus_map.mod ! Writing 138 model components to file: J1911-2006_X_2000_05_22_pus_map.mod wobs J1911-2006_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J1911-2006_X_2000_05_22_pus_uvs.fits wwins J1911-2006_X_2000_05_22_pus_map.win ! wwins: Wrote 4 windows to J1911-2006_X_2000_05_22_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 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387665 Jy ! Component: 100 - total flux cleaned = 0.000892421 Jy ! Component: 150 - total flux cleaned = 0.00126238 Jy ! Component: 200 - total flux cleaned = 0.00160956 Jy ! Component: 250 - total flux cleaned = 0.00202536 Jy ! Component: 300 - total flux cleaned = 0.00242409 Jy ! Component: 350 - total flux cleaned = 0.00288739 Jy ! Component: 400 - total flux cleaned = 0.00341248 Jy ! Component: 450 - total flux cleaned = 0.00406752 Jy ! Component: 500 - total flux cleaned = 0.00470548 Jy ! Component: 550 - total flux cleaned = 0.00532757 Jy ! Component: 600 - total flux cleaned = 0.00600123 Jy ! Component: 650 - total flux cleaned = 0.00652846 Jy ! Component: 700 - total flux cleaned = 0.00723682 Jy ! Component: 750 - total flux cleaned = 0.00773846 Jy ! Component: 800 - total flux cleaned = 0.00816995 Jy ! Component: 850 - total flux cleaned = 0.00865314 Jy ! Component: 900 - total flux cleaned = 0.0089501 Jy ! Component: 950 - total flux cleaned = 0.00935836 Jy ! Component: 1000 - total flux cleaned = 0.00964495 Jy ! Total flux subtracted in 1024 components = 0.00981502 Jy ! Clean residual min=-0.003296 max=0.002981 Jy/beam ! Clean residual mean=0.000262 rms=0.001110 Jy/beam ! Combined flux in latest and established models = 2.83009 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 206 components and 2.83009 Jy ![Exited script file: muppet] wmap "J1911-2006_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7212 x 2.097 at -6.804 degrees (North through East) ! Clean map min=-0.0043467 max=2.2067 Jy/beam ! Writing clean map to FITS file: J1911-2006_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.20671 invert ! Inverting map ! Your choice of large map pixels excluded 2.4% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00110896 device "J1911-2006_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J1911-2006_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.150762 0.150762 0.301524 0.603048 1.2061 2.41219 4.82438 9.64877 19.2975 38.5951 77.1901 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0033 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.206 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7212 x 2.097 at -6.804 degrees (North through East) ! Clean map min=-0.0043467 max=2.2067 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1911-2006_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J1911-2006_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1911-2006_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:34:19 2007