! Started logfile: J1617+0246_X_2010_06_23_pus_uvs.log on Thu Jan 27 22:04:02 2011 obs J1617+0246_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1617+0246_X_2010_06_23_pus_uva.fits ! AN table 1: 12 integrations on 105 of 105 possible baselines. ! AN table 2: 244 integrations on 105 of 105 possible baselines. ! AN table 3: 123 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.345068 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1617+0246 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 54928 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1617+0246_X_2010_06_23_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 = 512x512 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 180 telescope corrections were flagged in sub-array 1. ! A total of 1885 telescope corrections were flagged in sub-array 2. ! A total of 516 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 2073 telescope corrections were flagged in sub-array 2. ! A total of 634 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 2046 telescope corrections were flagged in sub-array 2. ! A total of 516 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 2046 telescope corrections were flagged in sub-array 2. ! A total of 576 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.853249Jy sigma=0.009437 ! Fit after self-cal, rms=0.791785Jy sigma=0.008760 ! 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 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.6417 mas, bmaj=1.547 mas, bpa=-5.072 degrees ! Estimated noise=591.482 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 = 0.165637 Jy ! Component: 100 - total flux cleaned = 0.214005 Jy ! Total flux subtracted in 100 components = 0.214005 Jy ! Clean residual min=-0.013926 max=0.052510 Jy/beam ! Clean residual mean=-0.000002 rms=0.004934 Jy/beam ! Combined flux in latest and established models = 0.214005 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.214005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179955Jy sigma=0.001823 ! Fit after self-cal, rms=0.179821Jy sigma=0.001822 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Added new window around map position (1, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0472807 Jy ! Component: 100 - total flux cleaned = 0.0737733 Jy ! Total flux subtracted in 100 components = 0.0737733 Jy ! Clean residual min=-0.010177 max=0.028435 Jy/beam ! Clean residual mean=0.000004 rms=0.003199 Jy/beam ! Combined flux in latest and established models = 0.287778 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 26 components and 0.287778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162515Jy sigma=0.001542 ! Fit after self-cal, rms=0.161035Jy sigma=0.001522 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0240785 Jy ! Component: 100 - total flux cleaned = 0.0391101 Jy ! Total flux subtracted in 100 components = 0.0391101 Jy ! Clean residual min=-0.008089 max=0.017898 Jy/beam ! Clean residual mean=0.000009 rms=0.002215 Jy/beam ! Combined flux in latest and established models = 0.326888 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 37 components and 0.326888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155564Jy sigma=0.001426 ! Fit after self-cal, rms=0.155188Jy sigma=0.001420 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Added new window around map position (1.8, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165646 Jy ! Component: 100 - total flux cleaned = 0.0269891 Jy ! Total flux subtracted in 100 components = 0.0269891 Jy ! Clean residual min=-0.006734 max=0.012846 Jy/beam ! Clean residual mean=0.000010 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.353877 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.353877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152608Jy sigma=0.001372 ! Fit after self-cal, rms=0.152383Jy sigma=0.001369 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7642 mas, bmaj=1.845 mas, bpa=-6.349 degrees ! Estimated noise=283.41 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 = 0.0163625 Jy ! Component: 100 - total flux cleaned = 0.0260645 Jy ! Component: 150 - total flux cleaned = 0.032666 Jy ! Component: 200 - total flux cleaned = 0.0373113 Jy ! Total flux subtracted in 200 components = 0.0373113 Jy ! Clean residual min=-0.004670 max=0.010765 Jy/beam ! Clean residual mean=0.000022 rms=0.001516 Jy/beam ! Combined flux in latest and established models = 0.391188 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 73 components and 0.391188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150923Jy sigma=0.001338 ! Fit after self-cal, rms=0.150792Jy sigma=0.001336 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Added new window around map position (3.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00866946 Jy ! Component: 100 - total flux cleaned = 0.0136271 Jy ! Component: 150 - total flux cleaned = 0.0161928 Jy ! Component: 200 - total flux cleaned = 0.0178755 Jy ! Total flux subtracted in 200 components = 0.0178755 Jy ! Clean residual min=-0.004000 max=0.005821 Jy/beam ! Clean residual mean=0.000020 rms=0.001073 Jy/beam ! Combined flux in latest and established models = 0.409064 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 99 components and 0.409064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150297Jy sigma=0.001328 ! Fit after self-cal, rms=0.150250Jy sigma=0.001327 ! Inverting map ! Your choice of large map pixels excluded 2.72% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.99 HN 1.13 KK 0.96 ! KP 1.01 LA 0.96 MA 1.03 MK 1.01 ! NL 0.97 NY 1.03 OV 1.02 PT 0.96 ! SC 1.00 TS 0.99 ZC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.99 HN 1.18 KK 1.00* ! KP 1.00 LA 0.98 MA 1.01 MK 1.00* ! NL 1.02 NY 1.04 OV 1.01 PT 0.97 ! SC 0.97 TS 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! A total of 252 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 HN 1.16 KK 0.98 ! KP 0.98 LA 0.99 MA 1.00* MK 1.03 ! NL 1.00 NY 1.00* OV 1.04 PT 0.96 ! SC 1.00 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 0.98 HN 1.16 KK 1.00* ! KP 1.02 LA 1.01 MA 1.00* MK 1.00* ! NL 1.03 NY 0.99 OV 1.03 PT 0.97 ! SC 0.99 TS 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! A total of 171 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HN 1.16 KK 0.95 ! KP 0.98 LA 0.98 MA 0.69 MK 1.00 ! NL 0.95 NY 0.98 OV 1.01 PT 0.98 ! SC 0.99 TS 1.08 ZC 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.10 FD 0.98 HN 1.12 KK 1.00* ! KP 1.01 LA 1.01 MA 1.46 MK 1.00* ! NL 1.00 NY 1.12 OV 1.01 PT 0.97 ! SC 0.94 TS 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KK 0.00* ! KP 0.00* LA 0.00* MA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* ZC 0.00* ! ! A total of 171 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 1.12 KK 0.92 ! KP 1.00 LA 0.97 MA 1.00 MK 1.00 ! NL 0.99 NY 0.99 OV 1.00 PT 0.96 ! SC 0.97 TS 1.20 ZC 0.85 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.12 FD 0.98 HN 1.12 KK 1.00* ! KP 1.00 LA 1.02 MA 1.01 MK 1.00* ! NL 1.00 NY 1.00 OV 1.00 PT 0.99 ! SC 0.96 TS 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.150250Jy sigma=0.001327 ! Fit after self-cal, rms=0.164839Jy sigma=0.001320 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7795 mas, bmaj=1.862 mas, bpa=-6.918 degrees ! Estimated noise=287.797 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 = -0.00141007 Jy ! Component: 100 - total flux cleaned = -0.00109601 Jy ! Component: 150 - total flux cleaned = -0.000966328 Jy ! Component: 200 - total flux cleaned = -0.000792599 Jy ! Total flux subtracted in 200 components = -0.000792599 Jy ! Clean residual min=-0.002675 max=0.002553 Jy/beam ! Clean residual mean=-0.000003 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.408271 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 116 components and 0.408271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164775Jy sigma=0.001319 ! Fit after self-cal, rms=0.164939Jy sigma=0.001319 ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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=0.164939Jy sigma=0.001319 ! Fit after self-cal, rms=0.166252Jy sigma=0.001318 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7804 mas, bmaj=1.86 mas, bpa=-6.84 degrees ! Estimated noise=287.284 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0011075 Jy ! Component: 100 - total flux cleaned = -0.00099945 Jy ! Component: 150 - total flux cleaned = -0.000856948 Jy ! Component: 200 - total flux cleaned = -0.000731333 Jy ! Total flux subtracted in 200 components = -0.000731333 Jy ! Clean residual min=-0.002366 max=0.002432 Jy/beam ! Clean residual mean=-0.000003 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.40754 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 123 components and 0.40754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166219Jy sigma=0.001318 ! Fit after self-cal, rms=0.166237Jy sigma=0.001318 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 = 6.37248e-05 Jy ! Component: 100 - total flux cleaned = 0.000260339 Jy ! Component: 150 - total flux cleaned = 0.000395798 Jy ! Component: 200 - total flux cleaned = 0.00051715 Jy ! Total flux subtracted in 200 components = 0.00051715 Jy ! Clean residual min=-0.002252 max=0.002362 Jy/beam ! Clean residual mean=-0.000003 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.408057 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 125 components and 0.408057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166222Jy sigma=0.001318 ! Fit after self-cal, rms=0.166221Jy sigma=0.001318 ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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=0.166221Jy sigma=0.001318 ! Fit after self-cal, rms=0.167544Jy sigma=0.001318 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7814 mas, bmaj=1.859 mas, bpa=-6.75 degrees ! Estimated noise=286.999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00072106 Jy ! Component: 100 - total flux cleaned = -0.00068924 Jy ! Component: 150 - total flux cleaned = -0.000658756 Jy ! Component: 200 - total flux cleaned = -0.000604941 Jy ! Total flux subtracted in 200 components = -0.000604941 Jy ! Clean residual min=-0.002232 max=0.002358 Jy/beam ! Clean residual mean=-0.000003 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.407452 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 126 components and 0.407452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167532Jy sigma=0.001317 ! Fit after self-cal, rms=0.167545Jy sigma=0.001317 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 (11.2, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211757 Jy ! Component: 100 - total flux cleaned = 0.00319373 Jy ! Component: 150 - total flux cleaned = 0.0038534 Jy ! Component: 200 - total flux cleaned = 0.00423863 Jy ! Total flux subtracted in 200 components = 0.00423863 Jy ! Clean residual min=-0.002009 max=0.001878 Jy/beam ! Clean residual mean=-0.000007 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 0.411691 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 137 components and 0.411691 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167513Jy sigma=0.001317 ! Fit after self-cal, rms=0.167509Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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=0.167509Jy sigma=0.001317 ! Fit after self-cal, rms=0.168150Jy sigma=0.001317 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=2.252 mas, bmaj=3.301 mas, bpa=-2.725 degrees ! Estimated noise=359.338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000984538 Jy ! Component: 100 - total flux cleaned = 0.00123464 Jy ! Component: 150 - total flux cleaned = 0.00137903 Jy ! Component: 200 - total flux cleaned = 0.00149641 Jy ! Total flux subtracted in 200 components = 0.00149641 Jy ! Clean residual min=-0.002157 max=0.002498 Jy/beam ! Clean residual mean=-0.000013 rms=0.000699 Jy/beam ! Combined flux in latest and established models = 0.413187 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 145 components and 0.413187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168154Jy sigma=0.001317 ! Fit after self-cal, rms=0.168158Jy sigma=0.001317 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 = 0.000330574 Jy ! Component: 100 - total flux cleaned = 0.00040808 Jy ! Component: 150 - total flux cleaned = 0.000442602 Jy ! Component: 200 - total flux cleaned = 0.000474839 Jy ! Total flux subtracted in 200 components = 0.000474839 Jy ! Clean residual min=-0.002061 max=0.002467 Jy/beam ! Clean residual mean=-0.000014 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.413662 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 153 components and 0.413662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168160Jy sigma=0.001317 ! Fit after self-cal, rms=0.168161Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=1.859 mas, bpa=-6.712 degrees ! Estimated noise=286.777 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7817 x 1.859 at -6.712 degrees (North through East) ! Clean map min=-0.0016514 max=0.21372 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 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 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.6525 mas, bmaj=1.546 mas, bpa=-5.181 degrees ! Estimated noise=605.578 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.167759 Jy ! Component: 100 - total flux cleaned = 0.235115 Jy ! Component: 150 - total flux cleaned = 0.276259 Jy ! Component: 200 - total flux cleaned = 0.303972 Jy ! Total flux subtracted in 200 components = 0.303972 Jy ! Clean residual min=-0.007213 max=0.015333 Jy/beam ! Clean residual mean=0.000002 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 0.303972 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 0.303972 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=1.859 mas, bpa=-6.712 degrees ! Estimated noise=286.777 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 = 0.032266 Jy ! Component: 100 - total flux cleaned = 0.0520059 Jy ! Component: 150 - total flux cleaned = 0.064976 Jy ! Component: 200 - total flux cleaned = 0.0743562 Jy ! Total flux subtracted in 200 components = 0.0743562 Jy ! Clean residual min=-0.003260 max=0.006044 Jy/beam ! Clean residual mean=0.000001 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.378329 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 76 components and 0.378329 Jy ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Added new window around map position (4.8, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00712756 Jy ! Component: 100 - total flux cleaned = 0.0124693 Jy ! Component: 150 - total flux cleaned = 0.0165661 Jy ! Component: 200 - total flux cleaned = 0.0197656 Jy ! Total flux subtracted in 200 components = 0.0197656 Jy ! Clean residual min=-0.002482 max=0.002814 Jy/beam ! Clean residual mean=-0.000002 rms=0.000666 Jy/beam ! Combined flux in latest and established models = 0.398095 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 106 components and 0.398095 Jy ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 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 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=2.252 mas, bmaj=3.301 mas, bpa=-2.725 degrees ! Estimated noise=359.338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00478571 Jy ! Component: 100 - total flux cleaned = 0.00790938 Jy ! Component: 150 - total flux cleaned = 0.0100913 Jy ! Component: 200 - total flux cleaned = 0.0114531 Jy ! Total flux subtracted in 200 components = 0.0114531 Jy ! Clean residual min=-0.002381 max=0.002132 Jy/beam ! Clean residual mean=-0.000014 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 0.409548 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 = 0.000689803 Jy ! Component: 100 - total flux cleaned = 0.00128588 Jy ! Component: 150 - total flux cleaned = 0.0017654 Jy ! Component: 200 - total flux cleaned = 0.0021881 Jy ! Total flux subtracted in 200 components = 0.0021881 Jy ! Clean residual min=-0.002086 max=0.001875 Jy/beam ! Clean residual mean=-0.000017 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.411736 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 166 components and 0.411736 Jy ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! Estimated beam: bmin=0.7817 mas, bmaj=1.859 mas, bpa=-6.712 degrees ! Estimated noise=286.777 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000287233 Jy ! Component: 100 - total flux cleaned = -0.000333387 Jy ! Component: 150 - total flux cleaned = -0.000332134 Jy ! Component: 200 - total flux cleaned = -0.00033284 Jy ! Total flux subtracted in 200 components = -0.00033284 Jy ! Clean residual min=-0.001920 max=0.001554 Jy/beam ! Clean residual mean=-0.000008 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.411403 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 184 components and 0.411403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168181Jy sigma=0.001317 ! Fit after self-cal, rms=0.168016Jy sigma=0.001316 wmodel J1617+0246_X_2010_06_23_pus_map.mod ! Writing 184 model components to file: J1617+0246_X_2010_06_23_pus_map.mod wobs J1617+0246_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1617+0246_X_2010_06_23_pus_uvs.fits wwins J1617+0246_X_2010_06_23_pus_map.win ! wwins: Wrote 6 windows to J1617+0246_X_2010_06_23_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 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000830618 Jy ! Component: 100 - total flux cleaned = -0.00141731 Jy ! Component: 150 - total flux cleaned = -0.00171672 Jy ! Component: 200 - total flux cleaned = -0.00210383 Jy ! Component: 250 - total flux cleaned = -0.00240026 Jy ! Component: 300 - total flux cleaned = -0.00251879 Jy ! Component: 350 - total flux cleaned = -0.00263456 Jy ! Component: 400 - total flux cleaned = -0.00272424 Jy ! Component: 450 - total flux cleaned = -0.00276842 Jy ! Component: 500 - total flux cleaned = -0.00287485 Jy ! Component: 550 - total flux cleaned = -0.00285368 Jy ! Component: 600 - total flux cleaned = -0.00293537 Jy ! Component: 650 - total flux cleaned = -0.00301584 Jy ! Component: 700 - total flux cleaned = -0.00305577 Jy ! Component: 750 - total flux cleaned = -0.00315337 Jy ! Component: 800 - total flux cleaned = -0.00319191 Jy ! Component: 850 - total flux cleaned = -0.00328627 Jy ! Component: 900 - total flux cleaned = -0.00324897 Jy ! Component: 950 - total flux cleaned = -0.0032679 Jy ! Component: 1000 - total flux cleaned = -0.00328619 Jy ! Component: 1050 - total flux cleaned = -0.00321461 Jy ! Component: 1100 - total flux cleaned = -0.00323212 Jy ! Component: 1150 - total flux cleaned = -0.00316162 Jy ! Component: 1200 - total flux cleaned = -0.00312699 Jy ! Component: 1250 - total flux cleaned = -0.00312684 Jy ! Component: 1300 - total flux cleaned = -0.00309222 Jy ! Component: 1350 - total flux cleaned = -0.00305826 Jy ! Component: 1400 - total flux cleaned = -0.00302435 Jy ! Component: 1450 - total flux cleaned = -0.00295779 Jy ! Component: 1500 - total flux cleaned = -0.00292465 Jy ! Component: 1550 - total flux cleaned = -0.00285932 Jy ! Component: 1600 - total flux cleaned = -0.00289166 Jy ! Component: 1650 - total flux cleaned = -0.0028916 Jy ! Component: 1700 - total flux cleaned = -0.00287553 Jy ! Component: 1750 - total flux cleaned = -0.00282814 Jy ! Component: 1800 - total flux cleaned = -0.00278096 Jy ! Component: 1850 - total flux cleaned = -0.00278109 Jy ! Component: 1900 - total flux cleaned = -0.00268848 Jy ! Component: 1950 - total flux cleaned = -0.00271923 Jy ! Component: 2000 - total flux cleaned = -0.00267355 Jy ! Total flux subtracted in 2048 components = -0.00270395 Jy ! Clean residual min=-0.000884 max=0.000754 Jy/beam ! Clean residual mean=-0.000002 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.408699 Jy keep ! Adding 152 model components to the UV plane model. ! The established model now contains 336 components and 0.408699 Jy ![Exited script file: muppet] wmap "J1617+0246_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7817 x 1.859 at -6.712 degrees (North through East) ! Clean map min=-0.0015542 max=0.21355 Jy/beam ! Writing clean map to FITS file: J1617+0246_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.213552 invert ! Inverting map ! Your choice of large map pixels excluded 2.76% of the data. ! The x-axis pixel size should ideally be below 0.1851 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000283457 device "J1617+0246_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1617+0246_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.398202 0.398202 0.796403 1.59281 3.18561 6.37123 12.7425 25.4849 50.9698 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.213 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7817 x 1.859 at -6.712 degrees (North through East) ! Clean map min=-0.0015542 max=0.21355 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1617+0246_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1617+0246_X_2010_06_23_pus_map.gif/vgif' mapplot cln