! Started logfile: J1357+7643_X_2003_06_18_pus_uvs.log on Wed Jan 17 17:27:09 2007 obs J1357+7643_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J1357+7643_X_2003_06_18_pus_uva.fits ! AN table 1: 62 integrations on 153 of 153 possible baselines. ! AN table 2: Unused. ! AN table 3: 222 integrations on 153 of 153 possible baselines. ! AN table 4: Unused. ! AN table 5: 11 integrations on 153 of 153 possible baselines. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.292722 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1357+7643 ! ! 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 2231 lines of history. ! ! Reading 52848 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 884 telescope corrections were flagged in sub-array 1. ! A total of 2829 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 858 telescope corrections were flagged in sub-array 1. ! A total of 2696 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 874 telescope corrections were flagged in sub-array 1. ! A total of 2809 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 858 telescope corrections were flagged in sub-array 1. ! A total of 2696 telescope corrections were flagged in sub-array 2. ! A total of 174 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.698147Jy sigma=0.007692 ! Fit after self-cal, rms=0.367993Jy sigma=0.003430 ! 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 5.42% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.5596 mas, bmaj=0.6177 mas, bpa=49.19 degrees ! Estimated noise=868.807 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 = 0.590188 Jy ! Component: 100 - total flux cleaned = 0.721339 Jy ! Total flux subtracted in 100 components = 0.721339 Jy ! Clean residual min=-0.036146 max=0.045482 Jy/beam ! Clean residual mean=-0.000260 rms=0.011021 Jy/beam ! Combined flux in latest and established models = 0.721339 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.721339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284387Jy sigma=0.002457 ! Fit after self-cal, rms=0.284378Jy sigma=0.002457 ! Inverting map ! Your choice of large map pixels excluded 5.42% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 5.42% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.714 mas, bmaj=0.7437 mas, bpa=75.63 degrees ! Estimated noise=433.535 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 = 0.0672786 Jy ! Component: 100 - total flux cleaned = 0.100046 Jy ! Component: 150 - total flux cleaned = 0.117451 Jy ! Component: 200 - total flux cleaned = 0.126836 Jy ! Total flux subtracted in 200 components = 0.126836 Jy ! Clean residual min=-0.010384 max=0.010547 Jy/beam ! Clean residual mean=0.000008 rms=0.002329 Jy/beam ! Combined flux in latest and established models = 0.848176 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 15 components and 0.848176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272423Jy sigma=0.002208 ! Fit after self-cal, rms=0.272341Jy sigma=0.002208 ! Inverting map ! Your choice of large map pixels excluded 5.42% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.66 FD 0.99 GG 1.00* HN 0.95 ! KK 1.06 KP 1.03 LA 0.98 MA 1.00* ! MK 1.00* NL 1.06 ON 1.01 OV 0.96 ! PT 1.03 SC 0.93 TC 1.00* TS 0.94 ! WF 0.97 WZ 1.08 ! ! A total of 135 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 GG 1.00* HN 0.94 ! KK 1.07 KP 1.00 LA 0.97 MA 1.00* ! MK 1.00 NL 1.07 ON 0.98 OV 0.96 ! PT 1.00 SC 1.00 TC 1.00* TS 1.00 ! WF 1.08 WZ 0.97 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 0.97 GG 1.00* HN 0.97 ! KK 1.12 KP 1.02 LA 0.99 MA 1.04 ! MK 1.00* NL 1.02 ON 1.01 OV 0.96 ! PT 1.06 SC 0.89 TC 1.00* TS 0.93 ! WF 1.01 WZ 1.03 ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 GG 1.00* HN 0.94 ! KK 1.06 KP 0.96 LA 0.98 MA 1.03 ! MK 1.00 NL 1.03 ON 0.97 OV 0.96 ! PT 1.03 SC 0.96 TC 1.00* TS 1.00 ! WF 1.10 WZ 0.99 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.35 FD 0.98 GG 1.00* HN 0.97 ! KK 5.59 KP 1.04 LA 1.01 MA 1.01 ! MK 1.00* NL 1.00 ON 0.96 OV 1.02 ! PT 1.08 SC 0.94 TC 1.00* TS 0.96 ! WF 0.91 WZ 1.08 ! ! A total of 90 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 GG 1.00* HN 0.95 ! KK 1.14 KP 1.00 LA 1.00 MA 0.99 ! MK 1.00 NL 1.03 ON 0.94 OV 1.01 ! PT 1.08 SC 0.98 TC 1.00* TS 1.00 ! WF 1.03 WZ 1.00 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00 GG 1.00* HN 0.97 ! KK 1.17 KP 0.96 LA 1.02 MA 1.09 ! MK 1.00* NL 1.02 ON 0.94 OV 0.98 ! PT 1.13 SC 0.97 TC 1.00* TS 0.96 ! WF 0.94 WZ 1.09 ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 GG 1.00* HN 0.97 ! KK 1.09 KP 0.96 LA 0.97 MA 1.01 ! MK 1.05 NL 1.03 ON 0.92 OV 0.99 ! PT 1.07 SC 1.05 TC 1.00* TS 1.02 ! WF 1.02 WZ 1.02 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.272341Jy sigma=0.002208 ! Fit after self-cal, rms=0.310312Jy sigma=0.002108 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7145 mas, bmaj=0.747 mas, bpa=71.43 degrees ! Estimated noise=435.166 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 (-1.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00463252 Jy ! Component: 100 - total flux cleaned = 0.00577514 Jy ! Component: 150 - total flux cleaned = 0.00634103 Jy ! Component: 200 - total flux cleaned = 0.00645611 Jy ! Total flux subtracted in 200 components = 0.00645611 Jy ! Clean residual min=-0.005042 max=0.006134 Jy/beam ! Clean residual mean=0.000262 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.854632 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 30 components and 0.854632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310092Jy sigma=0.002103 ! Fit after self-cal, rms=0.310444Jy sigma=0.002101 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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=0.310444Jy sigma=0.002101 ! Fit after self-cal, rms=0.313817Jy sigma=0.002074 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7144 mas, bmaj=0.7475 mas, bpa=71.92 degrees ! Estimated noise=435.851 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184186 Jy ! Component: 100 - total flux cleaned = 0.00214808 Jy ! Component: 150 - total flux cleaned = 0.00223621 Jy ! Component: 200 - total flux cleaned = 0.00223667 Jy ! Total flux subtracted in 200 components = 0.00223667 Jy ! Clean residual min=-0.003803 max=0.004139 Jy/beam ! Clean residual mean=0.000053 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 0.856869 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 37 components and 0.856868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313732Jy sigma=0.002073 ! Fit after self-cal, rms=0.313788Jy sigma=0.002073 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 (-1.6, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00267999 Jy ! Component: 100 - total flux cleaned = 0.00301409 Jy ! Component: 150 - total flux cleaned = 0.00323881 Jy ! Component: 200 - total flux cleaned = 0.00344138 Jy ! Total flux subtracted in 200 components = 0.00344138 Jy ! Clean residual min=-0.003774 max=0.003053 Jy/beam ! Clean residual mean=-0.000001 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 0.86031 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 47 components and 0.86031 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313726Jy sigma=0.002072 ! Fit after self-cal, rms=0.313716Jy sigma=0.002072 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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=0.313716Jy sigma=0.002072 ! Fit after self-cal, rms=0.320717Jy sigma=0.002070 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7137 mas, bmaj=0.7479 mas, bpa=71.64 degrees ! Estimated noise=435.762 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00054605 Jy ! Component: 100 - total flux cleaned = 0.000611157 Jy ! Component: 150 - total flux cleaned = 0.000612324 Jy ! Component: 200 - total flux cleaned = 0.000670716 Jy ! Total flux subtracted in 200 components = 0.000670716 Jy ! Clean residual min=-0.003757 max=0.002944 Jy/beam ! Clean residual mean=-0.000049 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.860981 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 54 components and 0.860981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320675Jy sigma=0.002069 ! Fit after self-cal, rms=0.320696Jy sigma=0.002069 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 = 0.000138115 Jy ! Component: 100 - total flux cleaned = 0.00013666 Jy ! Component: 150 - total flux cleaned = 8.34628e-05 Jy ! Component: 200 - total flux cleaned = 8.39968e-05 Jy ! Total flux subtracted in 200 components = 8.39968e-05 Jy ! Clean residual min=-0.003779 max=0.002998 Jy/beam ! Clean residual mean=-0.000050 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.861065 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 59 components and 0.861065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320673Jy sigma=0.002069 ! Fit after self-cal, rms=0.320670Jy sigma=0.002069 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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=0.320670Jy sigma=0.002069 ! Fit after self-cal, rms=0.320980Jy sigma=0.002069 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=2.181 mas, bmaj=2.867 mas, bpa=-64.09 degrees ! Estimated noise=634.881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000184052 Jy ! Component: 100 - total flux cleaned = -0.000222835 Jy ! Component: 150 - total flux cleaned = -0.000223529 Jy ! Component: 200 - total flux cleaned = -0.000222644 Jy ! Total flux subtracted in 200 components = -0.000222644 Jy ! Clean residual min=-0.003404 max=0.003341 Jy/beam ! Clean residual mean=-0.000161 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.860842 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 66 components and 0.860842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320978Jy sigma=0.002069 ! Fit after self-cal, rms=0.320990Jy sigma=0.002069 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 = -9.0336e-05 Jy ! Component: 100 - total flux cleaned = -9.05534e-05 Jy ! Component: 150 - total flux cleaned = -0.000115309 Jy ! Component: 200 - total flux cleaned = -0.000140846 Jy ! Total flux subtracted in 200 components = -0.000140846 Jy ! Clean residual min=-0.003389 max=0.003384 Jy/beam ! Clean residual mean=-0.000153 rms=0.001157 Jy/beam ! Combined flux in latest and established models = 0.860701 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 71 components and 0.860701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320989Jy sigma=0.002069 ! Fit after self-cal, rms=0.320990Jy sigma=0.002069 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7135 mas, bmaj=0.7483 mas, bpa=71.7 degrees ! Estimated noise=435.78 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7135 x 0.7483 at 71.7 degrees (North through East) ! Clean map min=-0.0031996 max=0.76934 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=0.320990Jy sigma=0.002069 ! Fit after self-cal, rms=0.571313Jy sigma=0.001893 ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7137 mas, bmaj=0.749 mas, bpa=72.17 degrees ! Estimated noise=436.438 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00017518 Jy ! Component: 100 - total flux cleaned = -0.000109881 Jy ! Component: 150 - total flux cleaned = 7.23067e-06 Jy ! Component: 200 - total flux cleaned = 6.54339e-06 Jy ! Total flux subtracted in 200 components = 6.54339e-06 Jy ! Clean residual min=-0.003439 max=0.003013 Jy/beam ! Clean residual mean=0.000044 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.860708 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 78 components and 0.860708 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.571288Jy sigma=0.001893 ! Fit after self-cal, rms=0.571302Jy sigma=0.001893 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000135285 Jy ! Component: 100 - total flux cleaned = 0.000134814 Jy ! Component: 150 - total flux cleaned = 0.000181184 Jy ! Component: 200 - total flux cleaned = 0.000225243 Jy ! Total flux subtracted in 200 components = 0.000225243 Jy ! Clean residual min=-0.003308 max=0.003030 Jy/beam ! Clean residual mean=0.000040 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.860933 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 81 components and 0.860933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.571285Jy sigma=0.001893 ! Fit after self-cal, rms=0.571285Jy sigma=0.001893 ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.571285Jy sigma=0.001893 ! Fit after self-cal, rms=0.794381Jy sigma=0.001892 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 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.5613 mas, bmaj=0.6254 mas, bpa=53.23 degrees ! Estimated noise=856.132 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.589337 Jy ! Component: 100 - total flux cleaned = 0.719689 Jy ! Component: 150 - total flux cleaned = 0.768063 Jy ! Component: 200 - total flux cleaned = 0.795891 Jy ! Total flux subtracted in 200 components = 0.795891 Jy ! Clean residual min=-0.017780 max=0.016577 Jy/beam ! Clean residual mean=0.000108 rms=0.004988 Jy/beam ! Combined flux in latest and established models = 0.795891 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.795891 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7137 mas, bmaj=0.7496 mas, bpa=72.36 degrees ! Estimated noise=436.534 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 = 0.0256643 Jy ! Component: 100 - total flux cleaned = 0.0384934 Jy ! Component: 150 - total flux cleaned = 0.046218 Jy ! Component: 200 - total flux cleaned = 0.0515862 Jy ! Total flux subtracted in 200 components = 0.0515862 Jy ! Clean residual min=-0.003136 max=0.003614 Jy/beam ! Clean residual mean=0.000253 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 0.847477 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 31 components and 0.847477 Jy ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 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 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=2.182 mas, bmaj=2.86 mas, bpa=-64.09 degrees ! Estimated noise=636.122 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00695075 Jy ! Component: 100 - total flux cleaned = 0.0102025 Jy ! Component: 150 - total flux cleaned = 0.0120639 Jy ! Component: 200 - total flux cleaned = 0.0125177 Jy ! Total flux subtracted in 200 components = 0.0125177 Jy ! Clean residual min=-0.002776 max=0.003582 Jy/beam ! Clean residual mean=0.000201 rms=0.001071 Jy/beam ! Combined flux in latest and established models = 0.859995 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 = 0.000247227 Jy ! Component: 100 - total flux cleaned = 0.00045755 Jy ! Component: 150 - total flux cleaned = 0.000664086 Jy ! Component: 200 - total flux cleaned = 0.000790086 Jy ! Total flux subtracted in 200 components = 0.000790086 Jy ! Clean residual min=-0.002713 max=0.003552 Jy/beam ! Clean residual mean=0.000159 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.860785 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 58 components and 0.860785 Jy ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! Estimated beam: bmin=0.7137 mas, bmaj=0.7496 mas, bpa=72.36 degrees ! Estimated noise=436.534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000515636 Jy ! Component: 100 - total flux cleaned = -0.000951637 Jy ! Component: 150 - total flux cleaned = -0.00125001 Jy ! Component: 200 - total flux cleaned = -0.00125123 Jy ! Total flux subtracted in 200 components = -0.00125123 Jy ! Clean residual min=-0.002789 max=0.003059 Jy/beam ! Clean residual mean=0.000065 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.859534 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 0.859533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.794335Jy sigma=0.001894 ! Fit after self-cal, rms=0.794390Jy sigma=0.001893 wmodel J1357+7643_X_2003_06_18_pus_map.mod ! Writing 69 model components to file: J1357+7643_X_2003_06_18_pus_map.mod wobs J1357+7643_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1357+7643_X_2003_06_18_pus_uvs.fits wwins J1357+7643_X_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J1357+7643_X_2003_06_18_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 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000352759 Jy ! Component: 100 - total flux cleaned = 0.000205588 Jy ! Component: 150 - total flux cleaned = 0.00011153 Jy ! Component: 200 - total flux cleaned = 0.000111195 Jy ! Component: 250 - total flux cleaned = 0.000111873 Jy ! Component: 300 - total flux cleaned = 0.000156656 Jy ! Component: 350 - total flux cleaned = 0.000242379 Jy ! Component: 400 - total flux cleaned = 0.000449815 Jy ! Component: 450 - total flux cleaned = 0.000530511 Jy ! Component: 500 - total flux cleaned = 0.00057042 Jy ! Component: 550 - total flux cleaned = 0.000649069 Jy ! Component: 600 - total flux cleaned = 0.000687655 Jy ! Component: 650 - total flux cleaned = 0.000763774 Jy ! Component: 700 - total flux cleaned = 0.0007634 Jy ! Component: 750 - total flux cleaned = 0.000800573 Jy ! Component: 800 - total flux cleaned = 0.000763465 Jy ! Component: 850 - total flux cleaned = 0.000836697 Jy ! Component: 900 - total flux cleaned = 0.000872541 Jy ! Component: 950 - total flux cleaned = 0.000836662 Jy ! Component: 1000 - total flux cleaned = 0.000872493 Jy ! Total flux subtracted in 1024 components = 0.000907764 Jy ! Clean residual min=-0.001982 max=0.001967 Jy/beam ! Clean residual mean=0.000048 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.860441 Jy keep ! Adding 85 model components to the UV plane model. ! The established model now contains 154 components and 0.860441 Jy wmap "J1357+7643_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7137 x 0.7496 at 72.36 degrees (North through East) ! Clean map min=-0.0028481 max=0.77049 Jy/beam ! Writing clean map to FITS file: J1357+7643_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.770494 invert ! Inverting map ! Your choice of large map pixels excluded 5.41% of the data. ! The x-axis pixel size should ideally be below 0.1533 milli-arcsec ! The y-axis pixel size should ideally be below 0.1584 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000663756 device "J1357+7643_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1357+7643_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25844 0.25844 0.516881 1.03376 2.06752 4.13505 8.27009 16.5402 33.0804 66.1608 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.77 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7137 x 0.7496 at 72.36 degrees (North through East) ! Clean map min=-0.0028481 max=0.77049 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1357+7643_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1357+7643_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1357+7643_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 17:28:13 2007