! Started logfile: J0921-2618_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:21:46 2007 obs J0921-2618_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J0921-2618_X_2000_05_22_pus_uva.fits ! AN table 1: 55 integrations on 190 of 190 possible baselines. ! AN table 2: 50 integrations on 190 of 190 possible baselines. ! AN table 3: 88 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.067003 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1884 lines of history. ! ! Reading 9828 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0921-2618_X_2000_05_22_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 949 telescope corrections were flagged in sub-array 1. ! A total of 771 telescope corrections were flagged in sub-array 2. ! A total of 1354 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 949 telescope corrections were flagged in sub-array 1. ! A total of 771 telescope corrections were flagged in sub-array 2. ! A total of 1354 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 949 telescope corrections were flagged in sub-array 1. ! A total of 770 telescope corrections were flagged in sub-array 2. ! A total of 1354 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 949 telescope corrections were flagged in sub-array 1. ! A total of 770 telescope corrections were flagged in sub-array 2. ! A total of 1354 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.861641Jy sigma=0.008476 ! Fit after self-cal, rms=0.417063Jy sigma=0.004010 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.6481 mas, bmaj=1.873 mas, bpa=-1.139 degrees ! Estimated noise=1227.29 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.731355 Jy ! Component: 100 - total flux cleaned = 0.956858 Jy ! Total flux subtracted in 100 components = 0.956858 Jy ! Clean residual min=-0.046825 max=0.105683 Jy/beam ! Clean residual mean=0.000808 rms=0.017551 Jy/beam ! Combined flux in latest and established models = 0.956858 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.956858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.386187Jy sigma=0.003829 ! Fit after self-cal, rms=0.386027Jy sigma=0.003829 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.120803 Jy ! Component: 100 - total flux cleaned = 0.194789 Jy ! Total flux subtracted in 100 components = 0.194789 Jy ! Clean residual min=-0.041182 max=0.063902 Jy/beam ! Clean residual mean=-0.000126 rms=0.012632 Jy/beam ! Combined flux in latest and established models = 1.15165 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 16 components and 1.15165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.344597Jy sigma=0.003028 ! Fit after self-cal, rms=0.344306Jy sigma=0.003027 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8352 mas, bmaj=2.423 mas, bpa=-2.951 degrees ! Estimated noise=732.404 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 = 0.0664438 Jy ! Component: 100 - total flux cleaned = 0.0990189 Jy ! Component: 150 - total flux cleaned = 0.107127 Jy ! Component: 200 - total flux cleaned = 0.109147 Jy ! Total flux subtracted in 200 components = 0.109147 Jy ! Clean residual min=-0.048847 max=0.058616 Jy/beam ! Clean residual mean=-0.006552 rms=0.016115 Jy/beam ! Combined flux in latest and established models = 1.26079 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 22 components and 1.26079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336999Jy sigma=0.002811 ! Fit after self-cal, rms=0.336723Jy sigma=0.002810 ! Inverting map ! Your choice of large map pixels excluded 1.46% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.96 HN 1.00* KK 1.00* KP 1.00* ! MA 0.87 MC 1.01 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.19 LA 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 1.01 KK 1.00* KP 0.99 ! MA 1.00* MC 1.00* MK 1.00* NL 0.95 ! NY 1.00* OV 0.98 PT 0.99 SC 1.06 ! TS 1.00* WF 12.94 WZ 1.00* LA 1.00 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.91 GC 1.00* GG 1.00* ! HH 1.00* HN 1.21 KK 0.96 KP 0.93 ! MA 1.00* MC 1.00* MK 0.92 NL 0.93 ! NY 1.00* OV 0.96 PT 0.91 SC 1.01 ! TS 1.03 WF 1.04 WZ 1.00* LA 0.95 ! ! ! Correcting IF 2. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.01 HN 1.00* KK 1.00* KP 1.00* ! MA 0.97 MC 1.09 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.16 LA 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.01 KK 1.00* KP 0.94 ! MA 1.00* MC 1.00* MK 1.00* NL 0.99 ! NY 1.00* OV 1.01 PT 0.95 SC 1.07 ! TS 1.00* WF 15.30 WZ 1.00* LA 0.96 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 0.97 KP 0.89 ! MA 1.00* MC 1.00* MK 0.91 NL 0.96 ! NY 1.00* OV 0.98 PT 0.87 SC 1.01 ! TS 1.04 WF 1.09 WZ 1.00* LA 0.91 ! ! ! Correcting IF 3. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.90 HN 1.00* KK 1.00* KP 1.00* ! MA 1.00 MC 0.99 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.23 LA 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 1.00 ! MA 1.00* MC 1.00* MK 1.00* NL 0.98 ! NY 1.00* OV 0.98 PT 0.97 SC 1.06 ! TS 1.00* WF 12.07 WZ 1.00* LA 1.01 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.22 KK 0.97 KP 0.93 ! MA 1.00* MC 1.00* MK 0.94 NL 0.94 ! NY 1.00* OV 0.96 PT 0.90 SC 1.01 ! TS 1.02 WF 1.10 WZ 1.00* LA 0.96 ! ! ! Correcting IF 4. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.88 HN 1.00* KK 1.00* KP 1.00* ! MA 0.99 MC 0.96 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.31 LA 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.01 KK 1.00* KP 0.98 ! MA 1.00* MC 1.00* MK 1.00* NL 0.98 ! NY 1.00* OV 0.97 PT 0.99 SC 1.06 ! TS 1.00* WF 10.27 WZ 1.00* LA 0.98 ! ! A total of 129 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 0.98 KP 0.92 ! MA 1.00* MC 1.00* MK 0.97 NL 0.94 ! NY 1.00* OV 0.96 PT 0.91 SC 1.01 ! TS 1.04 WF 1.06 WZ 1.00* LA 0.92 ! ! ! Fit before self-cal, rms=0.336723Jy sigma=0.002810 ! Fit after self-cal, rms=0.852311Jy sigma=0.001662 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8484 mas, bmaj=2.621 mas, bpa=-3.769 degrees ! Estimated noise=762.861 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 = -0.0146364 Jy ! Component: 100 - total flux cleaned = -0.0156758 Jy ! Component: 150 - total flux cleaned = -0.0165219 Jy ! Component: 200 - total flux cleaned = -0.0168653 Jy ! Total flux subtracted in 200 components = -0.0168653 Jy ! Clean residual min=-0.021585 max=0.022852 Jy/beam ! Clean residual mean=-0.001837 rms=0.005091 Jy/beam ! Combined flux in latest and established models = 1.24393 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 1.24393 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.851650Jy sigma=0.001632 ! Fit after self-cal, rms=0.854233Jy sigma=0.001630 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.854233Jy sigma=0.001630 ! Fit after self-cal, rms=0.876113Jy sigma=0.001532 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8503 mas, bmaj=2.612 mas, bpa=-3.83 degrees ! Estimated noise=760.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00736605 Jy ! Component: 100 - total flux cleaned = -0.00765872 Jy ! Component: 150 - total flux cleaned = -0.00765191 Jy ! Component: 200 - total flux cleaned = -0.00788374 Jy ! Total flux subtracted in 200 components = -0.00788374 Jy ! Clean residual min=-0.012736 max=0.019793 Jy/beam ! Clean residual mean=0.000854 rms=0.003840 Jy/beam ! Combined flux in latest and established models = 1.23604 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 1.23604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.875868Jy sigma=0.001522 ! Fit after self-cal, rms=0.876292Jy sigma=0.001522 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 (-1.8, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153599 Jy ! Component: 100 - total flux cleaned = 0.0184377 Jy ! Component: 150 - total flux cleaned = 0.0194414 Jy ! Component: 200 - total flux cleaned = 0.0197076 Jy ! Total flux subtracted in 200 components = 0.0197076 Jy ! Clean residual min=-0.010146 max=0.011336 Jy/beam ! Clean residual mean=0.000272 rms=0.002992 Jy/beam ! Combined flux in latest and established models = 1.25575 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 50 components and 1.25575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.875683Jy sigma=0.001493 ! Fit after self-cal, rms=0.875217Jy sigma=0.001488 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.875217Jy sigma=0.001488 ! Fit after self-cal, rms=0.891169Jy sigma=0.001483 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8523 mas, bmaj=2.607 mas, bpa=-3.701 degrees ! Estimated noise=759.555 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00427268 Jy ! Component: 100 - total flux cleaned = 0.0045859 Jy ! Component: 150 - total flux cleaned = 0.00515665 Jy ! Component: 200 - total flux cleaned = 0.0056271 Jy ! Total flux subtracted in 200 components = 0.0056271 Jy ! Clean residual min=-0.008346 max=0.009166 Jy/beam ! Clean residual mean=0.000314 rms=0.002474 Jy/beam ! Combined flux in latest and established models = 1.26138 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 68 components and 1.26138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.890888Jy sigma=0.001469 ! Fit after self-cal, rms=0.890782Jy sigma=0.001467 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 = 0.00305754 Jy ! Component: 100 - total flux cleaned = 0.00347182 Jy ! Component: 150 - total flux cleaned = 0.00403027 Jy ! Component: 200 - total flux cleaned = 0.00436813 Jy ! Total flux subtracted in 200 components = 0.00436813 Jy ! Clean residual min=-0.007859 max=0.008614 Jy/beam ! Clean residual mean=0.000187 rms=0.002343 Jy/beam ! Combined flux in latest and established models = 1.26575 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 82 components and 1.26575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.890677Jy sigma=0.001462 ! Fit after self-cal, rms=0.890653Jy sigma=0.001462 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.890653Jy sigma=0.001462 ! Fit after self-cal, rms=0.894781Jy sigma=0.001458 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.245 mas, bmaj=5.388 mas, bpa=-1.396 degrees ! Estimated noise=882.594 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0058821 Jy ! Component: 100 - total flux cleaned = 0.0055076 Jy ! Component: 150 - total flux cleaned = 0.00517535 Jy ! Component: 200 - total flux cleaned = 0.00475128 Jy ! Total flux subtracted in 200 components = 0.00475128 Jy ! Clean residual min=-0.007069 max=0.010788 Jy/beam ! Clean residual mean=0.000406 rms=0.002784 Jy/beam ! Combined flux in latest and established models = 1.2705 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 90 components and 1.2705 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.894706Jy sigma=0.001453 ! Fit after self-cal, rms=0.894734Jy sigma=0.001452 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 = 0.00161458 Jy ! Component: 100 - total flux cleaned = 0.00133037 Jy ! Component: 150 - total flux cleaned = 0.00108625 Jy ! Component: 200 - total flux cleaned = 0.000869532 Jy ! Total flux subtracted in 200 components = 0.000869532 Jy ! Clean residual min=-0.006347 max=0.010383 Jy/beam ! Clean residual mean=0.000348 rms=0.002717 Jy/beam ! Combined flux in latest and established models = 1.27137 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 92 components and 1.27137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.894716Jy sigma=0.001450 ! Fit after self-cal, rms=0.894701Jy sigma=0.001449 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8548 mas, bmaj=2.607 mas, bpa=-3.649 degrees ! Estimated noise=758.605 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8548 x 2.607 at -3.649 degrees (North through East) ! Clean map min=-0.0063282 max=0.98794 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=0.894701Jy sigma=0.001449 ! Fit after self-cal, rms=3.628162Jy sigma=0.001344 ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8557 mas, bmaj=2.606 mas, bpa=-3.663 degrees ! Estimated noise=757.233 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000805749 Jy ! Component: 100 - total flux cleaned = -0.00112184 Jy ! Component: 150 - total flux cleaned = -0.000881584 Jy ! Component: 200 - total flux cleaned = -0.000668151 Jy ! Total flux subtracted in 200 components = -0.000668151 Jy ! Clean residual min=-0.006207 max=0.007362 Jy/beam ! Clean residual mean=0.000222 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 1.2707 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 101 components and 1.2707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.628163Jy sigma=0.001342 ! Fit after self-cal, rms=3.627753Jy sigma=0.001342 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108283 Jy ! Component: 100 - total flux cleaned = 0.00137968 Jy ! Component: 150 - total flux cleaned = 0.00165689 Jy ! Component: 200 - total flux cleaned = 0.00182867 Jy ! Total flux subtracted in 200 components = 0.00182867 Jy ! Clean residual min=-0.006089 max=0.007150 Jy/beam ! Clean residual mean=0.000173 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 1.27253 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 107 components and 1.27253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.627744Jy sigma=0.001341 ! Fit after self-cal, rms=3.627343Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.627343Jy sigma=0.001341 ! Fit after self-cal, rms=4.318852Jy sigma=0.001340 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.665 mas, bmaj=1.871 mas, bpa=-1.771 degrees ! Estimated noise=1262.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.729596 Jy ! Component: 100 - total flux cleaned = 0.945814 Jy ! Component: 150 - total flux cleaned = 1.05484 Jy ! Component: 200 - total flux cleaned = 1.116 Jy ! Total flux subtracted in 200 components = 1.116 Jy ! Clean residual min=-0.012062 max=0.031948 Jy/beam ! Clean residual mean=0.000763 rms=0.005532 Jy/beam ! Combined flux in latest and established models = 1.116 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.116 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8573 mas, bmaj=2.605 mas, bpa=-3.622 degrees ! Estimated noise=756.967 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 = 0.0631767 Jy ! Component: 100 - total flux cleaned = 0.0980399 Jy ! Component: 150 - total flux cleaned = 0.118622 Jy ! Component: 200 - total flux cleaned = 0.131708 Jy ! Total flux subtracted in 200 components = 0.131708 Jy ! Clean residual min=-0.005490 max=0.009261 Jy/beam ! Clean residual mean=0.000845 rms=0.002278 Jy/beam ! Combined flux in latest and established models = 1.24771 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 64 components and 1.24771 Jy ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.24 mas, bmaj=5.378 mas, bpa=-1.351 degrees ! Estimated noise=880.415 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125738 Jy ! Component: 100 - total flux cleaned = 0.0187784 Jy ! Component: 150 - total flux cleaned = 0.0221523 Jy ! Component: 200 - total flux cleaned = 0.0236634 Jy ! Total flux subtracted in 200 components = 0.0236634 Jy ! Clean residual min=-0.003979 max=0.009666 Jy/beam ! Clean residual mean=0.000432 rms=0.002346 Jy/beam ! Combined flux in latest and established models = 1.27138 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 = 0.000385411 Jy ! Component: 100 - total flux cleaned = 0.000647676 Jy ! Component: 150 - total flux cleaned = 0.000831672 Jy ! Component: 200 - total flux cleaned = 0.000897659 Jy ! Total flux subtracted in 200 components = 0.000897659 Jy ! Clean residual min=-0.004004 max=0.009594 Jy/beam ! Clean residual mean=0.000384 rms=0.002320 Jy/beam ! Combined flux in latest and established models = 1.27227 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 108 components and 1.27227 Jy ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8573 mas, bmaj=2.605 mas, bpa=-3.622 degrees ! Estimated noise=756.967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00182278 Jy ! Component: 100 - total flux cleaned = -0.00170139 Jy ! Component: 150 - total flux cleaned = -0.00170237 Jy ! Component: 200 - total flux cleaned = -0.0016034 Jy ! Total flux subtracted in 200 components = -0.0016034 Jy ! Clean residual min=-0.004613 max=0.007293 Jy/beam ! Clean residual mean=0.000226 rms=0.001658 Jy/beam ! Combined flux in latest and established models = 1.27067 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 119 components and 1.27067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=4.318974Jy sigma=0.001342 ! Fit after self-cal, rms=4.319150Jy sigma=0.001340 wmodel J0921-2618_X_2000_05_22_pus_map.mod ! Writing 119 model components to file: J0921-2618_X_2000_05_22_pus_map.mod wobs J0921-2618_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J0921-2618_X_2000_05_22_pus_uvs.fits wwins J0921-2618_X_2000_05_22_pus_map.win ! wwins: Wrote 2 windows to J0921-2618_X_2000_05_22_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309335 Jy ! Component: 100 - total flux cleaned = 0.0043375 Jy ! Component: 150 - total flux cleaned = 0.00543542 Jy ! Component: 200 - total flux cleaned = 0.00582171 Jy ! Component: 250 - total flux cleaned = 0.00626185 Jy ! Component: 300 - total flux cleaned = 0.00654098 Jy ! Component: 350 - total flux cleaned = 0.00687158 Jy ! Component: 400 - total flux cleaned = 0.00712549 Jy ! Component: 450 - total flux cleaned = 0.00743088 Jy ! Component: 500 - total flux cleaned = 0.00772608 Jy ! Component: 550 - total flux cleaned = 0.00789878 Jy ! Component: 600 - total flux cleaned = 0.00806509 Jy ! Component: 650 - total flux cleaned = 0.00822657 Jy ! Component: 700 - total flux cleaned = 0.00827937 Jy ! Component: 750 - total flux cleaned = 0.00838295 Jy ! Component: 800 - total flux cleaned = 0.0085342 Jy ! Component: 850 - total flux cleaned = 0.00863207 Jy ! Component: 900 - total flux cleaned = 0.00872782 Jy ! Component: 950 - total flux cleaned = 0.0087272 Jy ! Component: 1000 - total flux cleaned = 0.00877224 Jy ! Total flux subtracted in 1024 components = 0.00872646 Jy ! Clean residual min=-0.002942 max=0.002261 Jy/beam ! Clean residual mean=0.000024 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 1.2794 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 179 components and 1.2794 Jy ![Exited script file: muppet] wmap "J0921-2618_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8573 x 2.605 at -3.622 degrees (North through East) ! Clean map min=-0.0045304 max=0.99783 Jy/beam ! Writing clean map to FITS file: J0921-2618_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.99783 invert ! Inverting map ! Your choice of large map pixels excluded 1.63% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000975033 device "J0921-2618_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.293146 0.293146 0.586292 1.17258 2.34517 4.69034 9.38067 18.7613 37.5227 75.0454 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.997 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8573 x 2.605 at -3.622 degrees (North through East) ! Clean map min=-0.0045304 max=0.99783 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J0921-2618_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0921-2618_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:21:52 2007