! Started logfile: J0927+3902_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:23:37 2010 obs J0927+3902_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0927+3902_X_2008_07_09_pus_uva.fits ! AN table 1: 106 integrations on 105 of 105 possible baselines. ! AN table 2: 22 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.215179 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0927+3902 ! ! 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 1146 lines of history. ! ! Reading 11568 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 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 921 telescope corrections were flagged in sub-array 1. ! A total of 224 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 921 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 921 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 921 telescope corrections were flagged in sub-array 1. ! A total of 231 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=6.116565Jy sigma=0.051810 ! Fit after self-cal, rms=6.099172Jy sigma=0.051749 ! 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 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.5742 mas, bmaj=0.8737 mas, bpa=-20.66 degrees ! Estimated noise=1342.34 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 = 4.55768 Jy ! Component: 100 - total flux cleaned = 6.37157 Jy ! Total flux subtracted in 100 components = 6.37157 Jy ! Clean residual min=-0.203735 max=0.914945 Jy/beam ! Clean residual mean=0.008852 rms=0.086429 Jy/beam ! Combined flux in latest and established models = 6.37157 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 6.37157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.208858Jy sigma=0.019052 ! Fit after self-cal, rms=2.205563Jy sigma=0.019040 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.1178 Jy ! Component: 100 - total flux cleaned = 1.84539 Jy ! Total flux subtracted in 100 components = 1.84539 Jy ! Clean residual min=-0.120879 max=0.389063 Jy/beam ! Clean residual mean=0.005469 rms=0.042600 Jy/beam ! Combined flux in latest and established models = 8.21695 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 8.21695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.151520Jy sigma=0.009851 ! Fit after self-cal, rms=1.146416Jy sigma=0.009829 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.486875 Jy ! Component: 100 - total flux cleaned = 0.81199 Jy ! Total flux subtracted in 100 components = 0.81199 Jy ! Clean residual min=-0.093985 max=0.220235 Jy/beam ! Clean residual mean=0.003976 rms=0.026841 Jy/beam ! Combined flux in latest and established models = 9.02894 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 9.02894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.786592Jy sigma=0.006465 ! Fit after self-cal, rms=0.783822Jy sigma=0.006454 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (0.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.240687 Jy ! Component: 100 - total flux cleaned = 0.399649 Jy ! Total flux subtracted in 100 components = 0.399649 Jy ! Clean residual min=-0.078536 max=0.174782 Jy/beam ! Clean residual mean=0.003231 rms=0.021332 Jy/beam ! Combined flux in latest and established models = 9.42859 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 27 components and 9.42859 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.667248Jy sigma=0.005229 ! Fit after self-cal, rms=0.664903Jy sigma=0.005214 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (-0.8, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.153083 Jy ! Component: 100 - total flux cleaned = 0.254079 Jy ! Total flux subtracted in 100 components = 0.254079 Jy ! Clean residual min=-0.072882 max=0.145675 Jy/beam ! Clean residual mean=0.002745 rms=0.018513 Jy/beam ! Combined flux in latest and established models = 9.68267 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 35 components and 9.68267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.613161Jy sigma=0.004612 ! Fit after self-cal, rms=0.610763Jy sigma=0.004599 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (-2, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137623 Jy ! Component: 100 - total flux cleaned = 0.217428 Jy ! Total flux subtracted in 100 components = 0.217428 Jy ! Clean residual min=-0.071731 max=0.062282 Jy/beam ! Clean residual mean=0.002350 rms=0.016330 Jy/beam ! Combined flux in latest and established models = 9.9001 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 43 components and 9.9001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.569209Jy sigma=0.004168 ! Fit after self-cal, rms=0.564221Jy sigma=0.004135 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6939 mas, bmaj=1.063 mas, bpa=-20.91 degrees ! Estimated noise=895.703 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 = 0.120517 Jy ! Component: 100 - total flux cleaned = 0.195307 Jy ! Component: 150 - total flux cleaned = 0.233515 Jy ! Component: 200 - total flux cleaned = 0.250411 Jy ! Total flux subtracted in 200 components = 0.250411 Jy ! Clean residual min=-0.062096 max=0.055636 Jy/beam ! Clean residual mean=0.005744 rms=0.016959 Jy/beam ! Combined flux in latest and established models = 10.1505 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 52 components and 10.1505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.540353Jy sigma=0.003851 ! Fit after self-cal, rms=0.537216Jy sigma=0.003828 ! Inverting map ! Your choice of large map pixels excluded 5.3% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HH 1.00* HN 1.08 ! KK 1.08 KP 1.03 LA 0.96 MK 0.98 ! NL 0.98 NY 1.00 ON 1.03 PT 0.99 ! SC 0.97 WZ 1.01 ZC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.32 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00 ON 0.99 PT 1.00* ! SC 1.00* WZ 1.02 ZC 1.02 ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 1.00* HN 0.99 ! KK 1.07 KP 0.98 LA 0.95 MK 0.98 ! NL 0.97 NY 1.04 ON 1.06 PT 0.99 ! SC 0.97 WZ 1.01 ZC 0.99 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.31 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.00 PT 1.00* ! SC 1.00* WZ 1.04 ZC 1.01 ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HH 1.00* HN 1.00 ! KK 1.05 KP 1.02 LA 0.98 MK 1.01 ! NL 1.01 NY 0.99 ON 1.05 PT 0.99 ! SC 1.00 WZ 1.01 ZC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.32 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 1.00 PT 1.00* ! SC 1.00* WZ 1.04 ZC 1.02 ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HH 1.00* HN 0.99 ! KK 1.04 KP 1.02 LA 0.97 MK 1.02 ! NL 1.01 NY 1.05 ON 1.01 PT 1.03 ! SC 1.00 WZ 1.01 ZC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.29 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.05 ON 0.99 PT 1.00* ! SC 1.00* WZ 1.04 ZC 1.03 ! ! ! Fit before self-cal, rms=0.537216Jy sigma=0.003828 ! Fit after self-cal, rms=0.449774Jy sigma=0.003020 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.697 mas, bmaj=1.077 mas, bpa=-20.97 degrees ! Estimated noise=901.907 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 = 0.0128748 Jy ! Component: 100 - total flux cleaned = 0.0116951 Jy ! Component: 150 - total flux cleaned = 0.0116854 Jy ! Component: 200 - total flux cleaned = 0.00988078 Jy ! Total flux subtracted in 200 components = 0.00988078 Jy ! Clean residual min=-0.042680 max=0.045120 Jy/beam ! Clean residual mean=0.001949 rms=0.012675 Jy/beam ! Combined flux in latest and established models = 10.1604 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 61 components and 10.1604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.443284Jy sigma=0.002982 ! Fit after self-cal, rms=0.442444Jy sigma=0.002978 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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=0.442444Jy sigma=0.002978 ! Fit after self-cal, rms=0.364602Jy sigma=0.002386 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6976 mas, bmaj=1.081 mas, bpa=-20.67 degrees ! Estimated noise=903.693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00393093 Jy ! Component: 100 - total flux cleaned = 0.00617635 Jy ! Component: 150 - total flux cleaned = 0.00864879 Jy ! Component: 200 - total flux cleaned = 0.00863997 Jy ! Total flux subtracted in 200 components = 0.00863997 Jy ! Clean residual min=-0.023390 max=0.038714 Jy/beam ! Clean residual mean=0.001095 rms=0.006646 Jy/beam ! Combined flux in latest and established models = 10.169 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 65 components and 10.169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.361468Jy sigma=0.002363 ! Fit after self-cal, rms=0.360589Jy sigma=0.002359 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 (-2.8, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0223403 Jy ! Component: 100 - total flux cleaned = 0.0286429 Jy ! Component: 150 - total flux cleaned = 0.027465 Jy ! Component: 200 - total flux cleaned = 0.0274809 Jy ! Total flux subtracted in 200 components = 0.0274809 Jy ! Clean residual min=-0.022563 max=0.027109 Jy/beam ! Clean residual mean=0.000909 rms=0.006225 Jy/beam ! Combined flux in latest and established models = 10.1965 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 72 components and 10.1965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356066Jy sigma=0.002327 ! Fit after self-cal, rms=0.355340Jy sigma=0.002323 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (-6.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194559 Jy ! Component: 100 - total flux cleaned = 0.0266597 Jy ! Component: 150 - total flux cleaned = 0.0278398 Jy ! Component: 200 - total flux cleaned = 0.0278347 Jy ! Total flux subtracted in 200 components = 0.0278347 Jy ! Clean residual min=-0.022320 max=0.022138 Jy/beam ! Clean residual mean=0.000718 rms=0.005794 Jy/beam ! Combined flux in latest and established models = 10.2243 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 87 components and 10.2243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.352386Jy sigma=0.002300 ! Fit after self-cal, rms=0.351933Jy sigma=0.002297 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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=0.351933Jy sigma=0.002297 ! Fit after self-cal, rms=0.330635Jy sigma=0.002065 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6967 mas, bmaj=1.081 mas, bpa=-20.61 degrees ! Estimated noise=903.101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100077 Jy ! Component: 100 - total flux cleaned = 0.00942235 Jy ! Component: 150 - total flux cleaned = 0.00845389 Jy ! Component: 200 - total flux cleaned = 0.00798933 Jy ! Total flux subtracted in 200 components = 0.00798933 Jy ! Clean residual min=-0.017147 max=0.013220 Jy/beam ! Clean residual mean=-0.000097 rms=0.003225 Jy/beam ! Combined flux in latest and established models = 10.2323 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 91 components and 10.2323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.328445Jy sigma=0.002050 ! Fit after self-cal, rms=0.328088Jy sigma=0.002049 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 = -0.000201795 Jy ! Component: 100 - total flux cleaned = 0.000229587 Jy ! Component: 150 - total flux cleaned = -0.000582846 Jy ! Component: 200 - total flux cleaned = -0.00134422 Jy ! Total flux subtracted in 200 components = -0.00134422 Jy ! Clean residual min=-0.016283 max=0.013214 Jy/beam ! Clean residual mean=-0.000089 rms=0.003095 Jy/beam ! Combined flux in latest and established models = 10.231 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 94 components and 10.231 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326645Jy sigma=0.002039 ! Fit after self-cal, rms=0.326316Jy sigma=0.002038 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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=0.326316Jy sigma=0.002038 ! Fit after self-cal, rms=0.326095Jy sigma=0.002037 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=2.303 mas, bmaj=2.536 mas, bpa=22.02 degrees ! Estimated noise=1252.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204418 Jy ! Component: 100 - total flux cleaned = 0.00041474 Jy ! Component: 150 - total flux cleaned = -0.000351281 Jy ! Component: 200 - total flux cleaned = -0.000773133 Jy ! Total flux subtracted in 200 components = -0.000773133 Jy ! Clean residual min=-0.008968 max=0.007532 Jy/beam ! Clean residual mean=-0.000081 rms=0.002950 Jy/beam ! Combined flux in latest and established models = 10.2302 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 100 components and 10.2302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325685Jy sigma=0.002033 ! Fit after self-cal, rms=0.325488Jy sigma=0.002032 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 = 3.3422e-06 Jy ! Component: 100 - total flux cleaned = -0.000226734 Jy ! Component: 150 - total flux cleaned = -0.000636433 Jy ! Component: 200 - total flux cleaned = -0.00131325 Jy ! Total flux subtracted in 200 components = -0.00131325 Jy ! Clean residual min=-0.008658 max=0.007234 Jy/beam ! Clean residual mean=-0.000058 rms=0.002869 Jy/beam ! Combined flux in latest and established models = 10.2289 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 103 components and 10.2289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325159Jy sigma=0.002031 ! Fit after self-cal, rms=0.324910Jy sigma=0.002029 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6965 mas, bmaj=1.081 mas, bpa=-20.56 degrees ! Estimated noise=902.922 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6965 x 1.081 at -20.56 degrees (North through East) ! Clean map min=-0.0095294 max=6.4636 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=0.324910Jy sigma=0.002029 ! Fit after self-cal, rms=0.246819Jy sigma=0.001365 ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6986 mas, bmaj=1.082 mas, bpa=-20.51 degrees ! Estimated noise=904.907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0016653 Jy ! Component: 100 - total flux cleaned = -0.000137388 Jy ! Component: 150 - total flux cleaned = 0.000731341 Jy ! Component: 200 - total flux cleaned = 0.00110326 Jy ! Total flux subtracted in 200 components = 0.00110326 Jy ! Clean residual min=-0.014078 max=0.011885 Jy/beam ! Clean residual mean=-0.000056 rms=0.002771 Jy/beam ! Combined flux in latest and established models = 10.23 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 107 components and 10.23 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244538Jy sigma=0.001347 ! Fit after self-cal, rms=0.244172Jy sigma=0.001346 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00048079 Jy ! Component: 100 - total flux cleaned = -0.000480041 Jy ! Component: 150 - total flux cleaned = -0.00081376 Jy ! Component: 200 - total flux cleaned = -0.00113762 Jy ! Total flux subtracted in 200 components = -0.00113762 Jy ! Clean residual min=-0.013600 max=0.011418 Jy/beam ! Clean residual mean=-0.000047 rms=0.002679 Jy/beam ! Combined flux in latest and established models = 10.2289 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 111 components and 10.2289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243103Jy sigma=0.001338 ! Fit after self-cal, rms=0.242794Jy sigma=0.001337 ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242794Jy sigma=0.001337 ! Fit after self-cal, rms=0.242782Jy sigma=0.001334 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 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.5781 mas, bmaj=0.8813 mas, bpa=-19.99 degrees ! Estimated noise=1377.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.60558 Jy ! Component: 100 - total flux cleaned = 6.4202 Jy ! Component: 150 - total flux cleaned = 7.51454 Jy ! Component: 200 - total flux cleaned = 8.22574 Jy ! Total flux subtracted in 200 components = 8.22574 Jy ! Clean residual min=-0.094600 max=0.383039 Jy/beam ! Clean residual mean=0.004077 rms=0.038286 Jy/beam ! Combined flux in latest and established models = 8.22574 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 8.22574 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6991 mas, bmaj=1.082 mas, bpa=-20.4 degrees ! Estimated noise=905.493 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 = 0.747768 Jy ! Component: 100 - total flux cleaned = 1.1622 Jy ! Component: 150 - total flux cleaned = 1.42774 Jy ! Component: 200 - total flux cleaned = 1.60399 Jy ! Total flux subtracted in 200 components = 1.60399 Jy ! Clean residual min=-0.026858 max=0.098161 Jy/beam ! Clean residual mean=0.002878 rms=0.016687 Jy/beam ! Combined flux in latest and established models = 9.82973 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 49 components and 9.82974 Jy ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (-1.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.121852 Jy ! Component: 100 - total flux cleaned = 0.207085 Jy ! Component: 150 - total flux cleaned = 0.267463 Jy ! Component: 200 - total flux cleaned = 0.296601 Jy ! Total flux subtracted in 200 components = 0.296601 Jy ! Clean residual min=-0.027094 max=0.028676 Jy/beam ! Clean residual mean=0.000687 rms=0.005632 Jy/beam ! Combined flux in latest and established models = 10.1263 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 61 components and 10.1263 Jy ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (0, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154523 Jy ! Component: 100 - total flux cleaned = 0.027739 Jy ! Component: 150 - total flux cleaned = 0.0387473 Jy ! Component: 200 - total flux cleaned = 0.0475731 Jy ! Total flux subtracted in 200 components = 0.0475731 Jy ! Clean residual min=-0.017362 max=0.018280 Jy/beam ! Clean residual mean=0.000336 rms=0.004086 Jy/beam ! Combined flux in latest and established models = 10.1739 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 67 components and 10.1739 Jy ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Added new window around map position (2.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00814703 Jy ! Component: 100 - total flux cleaned = 0.0164547 Jy ! Component: 150 - total flux cleaned = 0.022425 Jy ! Component: 200 - total flux cleaned = 0.0287833 Jy ! Total flux subtracted in 200 components = 0.0287833 Jy ! Clean residual min=-0.016184 max=0.014178 Jy/beam ! Clean residual mean=0.000128 rms=0.003398 Jy/beam ! Combined flux in latest and established models = 10.2027 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 74 components and 10.2027 Jy ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 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 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=2.302 mas, bmaj=2.537 mas, bpa=22.05 degrees ! Estimated noise=1252.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0168715 Jy ! Component: 100 - total flux cleaned = 0.0252755 Jy ! Component: 150 - total flux cleaned = 0.0283496 Jy ! Component: 200 - total flux cleaned = 0.0283531 Jy ! Total flux subtracted in 200 components = 0.0283531 Jy ! Clean residual min=-0.009357 max=0.006179 Jy/beam ! Clean residual mean=-0.000258 rms=0.002484 Jy/beam ! Combined flux in latest and established models = 10.231 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 = -0.000135378 Jy ! Component: 100 - total flux cleaned = -0.00025501 Jy ! Component: 150 - total flux cleaned = -0.000252105 Jy ! Component: 200 - total flux cleaned = -0.000251251 Jy ! Total flux subtracted in 200 components = -0.000251251 Jy ! Clean residual min=-0.008879 max=0.006029 Jy/beam ! Clean residual mean=-0.000254 rms=0.002406 Jy/beam ! Combined flux in latest and established models = 10.2308 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 102 components and 10.2308 Jy ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! Estimated beam: bmin=0.6991 mas, bmaj=1.082 mas, bpa=-20.4 degrees ! Estimated noise=905.493 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00300039 Jy ! Component: 100 - total flux cleaned = -0.00168516 Jy ! Component: 150 - total flux cleaned = -0.00105311 Jy ! Component: 200 - total flux cleaned = 9.50641e-05 Jy ! Total flux subtracted in 200 components = 9.50641e-05 Jy ! Clean residual min=-0.015218 max=0.011464 Jy/beam ! Clean residual mean=-0.000082 rms=0.002926 Jy/beam ! Combined flux in latest and established models = 10.2309 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 114 components and 10.2309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250624Jy sigma=0.001394 ! Fit after self-cal, rms=0.249384Jy sigma=0.001383 wmodel J0927+3902_X_2008_07_09_pus_map.mod ! Writing 114 model components to file: J0927+3902_X_2008_07_09_pus_map.mod wobs J0927+3902_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0927+3902_X_2008_07_09_pus_uvs.fits wwins J0927+3902_X_2008_07_09_pus_map.win ! wwins: Wrote 9 windows to J0927+3902_X_2008_07_09_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 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000351104 Jy ! Component: 100 - total flux cleaned = -0.00222229 Jy ! Component: 150 - total flux cleaned = -0.00480203 Jy ! Component: 200 - total flux cleaned = -0.0054554 Jy ! Component: 250 - total flux cleaned = -0.00567076 Jy ! Component: 300 - total flux cleaned = -0.00527406 Jy ! Component: 350 - total flux cleaned = -0.00488654 Jy ! Component: 400 - total flux cleaned = -0.00488749 Jy ! Component: 450 - total flux cleaned = -0.00544206 Jy ! Component: 500 - total flux cleaned = -0.00580446 Jy ! Component: 550 - total flux cleaned = -0.0063386 Jy ! Component: 600 - total flux cleaned = -0.00633674 Jy ! Component: 650 - total flux cleaned = -0.00685538 Jy ! Component: 700 - total flux cleaned = -0.00702547 Jy ! Component: 750 - total flux cleaned = -0.00719181 Jy ! Component: 800 - total flux cleaned = -0.00719124 Jy ! Component: 850 - total flux cleaned = -0.00719211 Jy ! Component: 900 - total flux cleaned = -0.00703167 Jy ! Component: 950 - total flux cleaned = -0.00703161 Jy ! Component: 1000 - total flux cleaned = -0.00671501 Jy ! Total flux subtracted in 1024 components = -0.00702799 Jy ! Clean residual min=-0.007804 max=0.007814 Jy/beam ! Clean residual mean=-0.000030 rms=0.002503 Jy/beam ! Combined flux in latest and established models = 10.2239 Jy keep ! Adding 49 model components to the UV plane model. ! The established model now contains 154 components and 10.2239 Jy wmap "J0927+3902_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6991 x 1.082 at -20.4 degrees (North through East) ! Clean map min=-0.012 max=6.4865 Jy/beam ! Writing clean map to FITS file: J0927+3902_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 6.48654 invert ! Inverting map ! Your choice of large map pixels excluded 5.26% of the data. ! The x-axis pixel size should ideally be below 0.1654 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00250244 device "J0927+3902_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0927+3902_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.115737 0.115737 0.231474 0.462947 0.925895 1.85179 3.70358 7.40716 14.8143 29.6286 59.2573 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0075 print "peak=",int(1000*peak_flux)/1000 ! peak= 6.486 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6991 x 1.082 at -20.4 degrees (North through East) ! Clean map min=-0.012 max=6.4865 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0927+3902_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0927+3902_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0927+3902_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:23:40 2010