! Started logfile: J0746+2549_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:46:50 2010 obs J0746+2549_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0746+2549_X_2008_04_02_pus_uva.fits ! AN table 1: 53 integrations on 120 of 120 possible baselines. ! AN table 2: 151 integrations on 120 of 120 possible baselines. ! AN table 3: 89 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.18814 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0746+2549 ! ! 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 2284 lines of history. ! ! Reading 26460 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 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 595 telescope corrections were flagged in sub-array 1. ! A total of 1107 telescope corrections were flagged in sub-array 2. ! A total of 1304 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 595 telescope corrections were flagged in sub-array 1. ! A total of 1140 telescope corrections were flagged in sub-array 2. ! A total of 1304 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 595 telescope corrections were flagged in sub-array 1. ! A total of 1107 telescope corrections were flagged in sub-array 2. ! A total of 1304 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 595 telescope corrections were flagged in sub-array 1. ! A total of 1107 telescope corrections were flagged in sub-array 2. ! A total of 1304 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.717029Jy sigma=0.004498 ! Fit after self-cal, rms=0.632846Jy sigma=0.003864 ! 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 10% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.5733 mas, bmaj=0.8778 mas, bpa=6.727 degrees ! Estimated noise=1563.01 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 = 0.335987 Jy ! Component: 100 - total flux cleaned = 0.42878 Jy ! Total flux subtracted in 100 components = 0.42878 Jy ! Clean residual min=-0.013549 max=0.038900 Jy/beam ! Clean residual mean=0.000139 rms=0.003765 Jy/beam ! Combined flux in latest and established models = 0.42878 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.42878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273361Jy sigma=0.001307 ! Fit after self-cal, rms=0.273578Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 10% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0422929 Jy ! Component: 100 - total flux cleaned = 0.0647264 Jy ! Total flux subtracted in 100 components = 0.0647264 Jy ! Clean residual min=-0.010499 max=0.011786 Jy/beam ! Clean residual mean=0.000008 rms=0.002398 Jy/beam ! Combined flux in latest and established models = 0.493507 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.493507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266370Jy sigma=0.001228 ! Fit after self-cal, rms=0.266409Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 10% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 10% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6719 mas, bmaj=1.07 mas, bpa=6.71 degrees ! Estimated noise=714.513 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 = 0.0161236 Jy ! Component: 100 - total flux cleaned = 0.0235037 Jy ! Component: 150 - total flux cleaned = 0.027202 Jy ! Component: 200 - total flux cleaned = 0.0278684 Jy ! Total flux subtracted in 200 components = 0.0278684 Jy ! Clean residual min=-0.008449 max=0.006880 Jy/beam ! Clean residual mean=-0.000069 rms=0.001880 Jy/beam ! Combined flux in latest and established models = 0.521375 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 17 components and 0.521375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265538Jy sigma=0.001219 ! Fit after self-cal, rms=0.265513Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 10% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 HH 1.00* HN 1.00* ! KK 0.99 KP 1.00 LA 1.01 MK 1.01 ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.02 HH 1.13 HN 0.98 ! KK 1.00* KP 1.00* LA 1.00 MK 1.00* ! NL 0.97 NY 0.96 ON 1.01 OV 1.00* ! PT 1.02 SC 1.00 WZ 0.99 ZC 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.00* HH 1.00* HN 1.00* ! KK 0.98 KP 1.00* LA 1.07 MK 0.98 ! NL 1.00* NY 1.00* ON 1.00* OV 1.07 ! PT 1.10 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HH 1.00* HN 1.00* ! KK 0.99 KP 0.94 LA 0.98 MK 1.02 ! NL 0.96 NY 1.00* ON 1.00* OV 0.94 ! PT 1.01 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 HH 1.01 HN 0.98 ! KK 1.00* KP 1.00* LA 0.98 MK 1.00* ! NL 0.93 NY 0.97 ON 1.01 OV 1.00* ! PT 1.02 SC 0.98 WZ 1.03 ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.00* HH 1.00* HN 1.00* ! KK 1.03 KP 1.00* LA 1.04 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* OV 1.04 ! PT 1.06 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HH 1.00* HN 1.00* ! KK 1.03 KP 0.99 LA 1.03 MK 1.06 ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.04 HH 0.99 HN 0.99 ! KK 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 0.97 NY 0.97 ON 0.96 OV 1.00* ! PT 1.03 SC 1.03 WZ 0.99 ZC 1.04 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.00* HH 1.00* HN 1.00* ! KK 1.17 KP 1.00* LA 1.06 MK 1.06 ! NL 1.00* NY 1.00* ON 1.00* OV 1.05 ! PT 1.06 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00* ! KK 1.04 KP 0.97 LA 0.99 MK 1.00 ! NL 1.04 NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.04 HH 1.00 HN 1.00 ! KK 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 0.98 NY 1.02 ON 1.00 OV 1.00* ! PT 1.03 SC 1.03 WZ 1.00 ZC 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 1.00* HH 1.00* HN 1.00* ! KK 0.99 KP 1.00* LA 1.13 MK 1.03 ! NL 1.00* NY 1.00* ON 1.00* OV 1.05 ! PT 1.07 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.265513Jy sigma=0.001219 ! Fit after self-cal, rms=0.267806Jy sigma=0.001212 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6691 mas, bmaj=1.079 mas, bpa=6.708 degrees ! Estimated noise=724.258 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 (0.4, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0030416 Jy ! Component: 100 - total flux cleaned = 0.00349309 Jy ! Component: 150 - total flux cleaned = 0.00387225 Jy ! Component: 200 - total flux cleaned = 0.00410161 Jy ! Total flux subtracted in 200 components = 0.00410161 Jy ! Clean residual min=-0.005565 max=0.004820 Jy/beam ! Clean residual mean=-0.000014 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.525477 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.525477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267630Jy sigma=0.001211 ! Fit after self-cal, rms=0.267639Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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=0.267639Jy sigma=0.001211 ! Fit after self-cal, rms=0.266435Jy sigma=0.001210 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6679 mas, bmaj=1.077 mas, bpa=6.606 degrees ! Estimated noise=724.767 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00212716 Jy ! Component: 100 - total flux cleaned = 0.0024513 Jy ! Component: 150 - total flux cleaned = 0.00264143 Jy ! Component: 200 - total flux cleaned = 0.00281671 Jy ! Total flux subtracted in 200 components = 0.00281671 Jy ! Clean residual min=-0.005184 max=0.004433 Jy/beam ! Clean residual mean=-0.000012 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 0.528294 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.528293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266344Jy sigma=0.001210 ! Fit after self-cal, rms=0.266315Jy sigma=0.001210 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 = 9.31696e-05 Jy ! Component: 100 - total flux cleaned = 9.45886e-05 Jy ! Component: 150 - total flux cleaned = 9.51136e-05 Jy ! Component: 200 - total flux cleaned = 9.377e-05 Jy ! Total flux subtracted in 200 components = 9.377e-05 Jy ! Clean residual min=-0.005111 max=0.004346 Jy/beam ! Clean residual mean=-0.000013 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 0.528387 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 36 components and 0.528387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266257Jy sigma=0.001209 ! Fit after self-cal, rms=0.266250Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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=0.266250Jy sigma=0.001209 ! Fit after self-cal, rms=0.265062Jy sigma=0.001209 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.6669 mas, bmaj=1.075 mas, bpa=6.656 degrees ! Estimated noise=725.578 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00175583 Jy ! Component: 100 - total flux cleaned = 0.00183297 Jy ! Component: 150 - total flux cleaned = 0.00190701 Jy ! Component: 200 - total flux cleaned = 0.00190725 Jy ! Total flux subtracted in 200 components = 0.00190725 Jy ! Clean residual min=-0.004644 max=0.004101 Jy/beam ! Clean residual mean=-0.000024 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 0.530294 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 37 components and 0.530295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265005Jy sigma=0.001209 ! Fit after self-cal, rms=0.264982Jy sigma=0.001209 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 = 7.61446e-05 Jy ! Component: 100 - total flux cleaned = 2.60116e-06 Jy ! Component: 150 - total flux cleaned = 2.73591e-06 Jy ! Component: 200 - total flux cleaned = 6.68558e-05 Jy ! Total flux subtracted in 200 components = 6.68558e-05 Jy ! Clean residual min=-0.004565 max=0.004049 Jy/beam ! Clean residual mean=-0.000025 rms=0.000968 Jy/beam ! Combined flux in latest and established models = 0.530361 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 37 components and 0.530361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264936Jy sigma=0.001209 ! Fit after self-cal, rms=0.264931Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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=0.264931Jy sigma=0.001209 ! Fit after self-cal, rms=0.264322Jy sigma=0.001208 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=2.546 mas, bmaj=3.186 mas, bpa=-73.2 degrees ! Estimated noise=902.612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000149317 Jy ! Component: 100 - total flux cleaned = 0.000149537 Jy ! Component: 150 - total flux cleaned = 0.000147218 Jy ! Component: 200 - total flux cleaned = 0.000115552 Jy ! Total flux subtracted in 200 components = 0.000115552 Jy ! Clean residual min=-0.004210 max=0.003930 Jy/beam ! Clean residual mean=-0.000014 rms=0.001197 Jy/beam ! Combined flux in latest and established models = 0.530477 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 41 components and 0.530477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264330Jy sigma=0.001208 ! Fit after self-cal, rms=0.264308Jy sigma=0.001208 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 = -6.67948e-05 Jy ! Component: 100 - total flux cleaned = -6.78715e-05 Jy ! Component: 150 - total flux cleaned = -6.957e-05 Jy ! Component: 200 - total flux cleaned = -9.8848e-05 Jy ! Total flux subtracted in 200 components = -9.8848e-05 Jy ! Clean residual min=-0.004178 max=0.003877 Jy/beam ! Clean residual mean=-0.000011 rms=0.001191 Jy/beam ! Combined flux in latest and established models = 0.530378 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 41 components and 0.530378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264324Jy sigma=0.001208 ! Fit after self-cal, rms=0.264315Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.666 mas, bmaj=1.073 mas, bpa=6.766 degrees ! Estimated noise=726.557 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.666 x 1.073 at 6.766 degrees (North through East) ! Clean map min=-0.0041898 max=0.44054 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 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.5719 mas, bmaj=0.88 mas, bpa=6.881 degrees ! Estimated noise=1611.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.340468 Jy ! Component: 100 - total flux cleaned = 0.434125 Jy ! Component: 150 - total flux cleaned = 0.476417 Jy ! Component: 200 - total flux cleaned = 0.498958 Jy ! Total flux subtracted in 200 components = 0.498958 Jy ! Clean residual min=-0.010652 max=0.011772 Jy/beam ! Clean residual mean=0.000030 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 0.498958 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.498958 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.666 mas, bmaj=1.073 mas, bpa=6.766 degrees ! Estimated noise=726.557 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 = 0.0171443 Jy ! Component: 100 - total flux cleaned = 0.0257741 Jy ! Component: 150 - total flux cleaned = 0.028949 Jy ! Component: 200 - total flux cleaned = 0.0299148 Jy ! Total flux subtracted in 200 components = 0.0299148 Jy ! Clean residual min=-0.005070 max=0.004203 Jy/beam ! Clean residual mean=0.000013 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.528873 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 0.528873 Jy ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 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 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=2.546 mas, bmaj=3.186 mas, bpa=-73.2 degrees ! Estimated noise=902.612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140046 Jy ! Component: 100 - total flux cleaned = 0.00139284 Jy ! Component: 150 - total flux cleaned = 0.00139223 Jy ! Component: 200 - total flux cleaned = 0.00142576 Jy ! Total flux subtracted in 200 components = 0.00142576 Jy ! Clean residual min=-0.004489 max=0.003711 Jy/beam ! Clean residual mean=-0.000008 rms=0.001215 Jy/beam ! Combined flux in latest and established models = 0.530299 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 = 2.57342e-05 Jy ! Component: 100 - total flux cleaned = 2.461e-05 Jy ! Component: 150 - total flux cleaned = 2.48825e-05 Jy ! Component: 200 - total flux cleaned = 5.56552e-06 Jy ! Total flux subtracted in 200 components = 5.56552e-06 Jy ! Clean residual min=-0.004371 max=0.003702 Jy/beam ! Clean residual mean=-0.000008 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 0.530305 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 0.530304 Jy ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! Estimated beam: bmin=0.666 mas, bmaj=1.073 mas, bpa=6.766 degrees ! Estimated noise=726.557 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000459995 Jy ! Component: 100 - total flux cleaned = 0.000464059 Jy ! Component: 150 - total flux cleaned = 0.000465301 Jy ! Component: 200 - total flux cleaned = 0.000471794 Jy ! Total flux subtracted in 200 components = 0.000471794 Jy ! Clean residual min=-0.004597 max=0.003989 Jy/beam ! Clean residual mean=-0.000010 rms=0.000976 Jy/beam ! Combined flux in latest and established models = 0.530776 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 0.530776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264389Jy sigma=0.001209 ! Fit after self-cal, rms=0.264324Jy sigma=0.001209 wmodel J0746+2549_X_2008_04_02_pus_map.mod ! Writing 40 model components to file: J0746+2549_X_2008_04_02_pus_map.mod wobs J0746+2549_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0746+2549_X_2008_04_02_pus_uvs.fits wwins J0746+2549_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0746+2549_X_2008_04_02_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 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000802209 Jy ! Component: 100 - total flux cleaned = -0.00108335 Jy ! Component: 150 - total flux cleaned = -0.00147879 Jy ! Component: 200 - total flux cleaned = -0.0020433 Jy ! Component: 250 - total flux cleaned = -0.00216525 Jy ! Component: 300 - total flux cleaned = -0.00239857 Jy ! Component: 350 - total flux cleaned = -0.00245442 Jy ! Component: 400 - total flux cleaned = -0.00267611 Jy ! Component: 450 - total flux cleaned = -0.00283925 Jy ! Component: 500 - total flux cleaned = -0.00310416 Jy ! Component: 550 - total flux cleaned = -0.00331182 Jy ! Component: 600 - total flux cleaned = -0.00341309 Jy ! Component: 650 - total flux cleaned = -0.0033622 Jy ! Component: 700 - total flux cleaned = -0.00331311 Jy ! Component: 750 - total flux cleaned = -0.00336257 Jy ! Component: 800 - total flux cleaned = -0.00341098 Jy ! Component: 850 - total flux cleaned = -0.00341128 Jy ! Component: 900 - total flux cleaned = -0.00341173 Jy ! Component: 950 - total flux cleaned = -0.00364305 Jy ! Component: 1000 - total flux cleaned = -0.0037343 Jy ! Component: 1050 - total flux cleaned = -0.00377889 Jy ! Component: 1100 - total flux cleaned = -0.00377903 Jy ! Component: 1150 - total flux cleaned = -0.00382317 Jy ! Component: 1200 - total flux cleaned = -0.00391042 Jy ! Component: 1250 - total flux cleaned = -0.00395383 Jy ! Component: 1300 - total flux cleaned = -0.00403906 Jy ! Component: 1350 - total flux cleaned = -0.00395386 Jy ! Component: 1400 - total flux cleaned = -0.00387028 Jy ! Component: 1450 - total flux cleaned = -0.00412005 Jy ! Component: 1500 - total flux cleaned = -0.00412047 Jy ! Component: 1550 - total flux cleaned = -0.00432585 Jy ! Component: 1600 - total flux cleaned = -0.00440707 Jy ! Component: 1650 - total flux cleaned = -0.00452802 Jy ! Component: 1700 - total flux cleaned = -0.00472758 Jy ! Component: 1750 - total flux cleaned = -0.00488619 Jy ! Component: 1800 - total flux cleaned = -0.00512109 Jy ! Component: 1850 - total flux cleaned = -0.00515963 Jy ! Component: 1900 - total flux cleaned = -0.00535251 Jy ! Component: 1950 - total flux cleaned = -0.00539068 Jy ! Component: 2000 - total flux cleaned = -0.0053528 Jy ! Total flux subtracted in 2048 components = -0.00542813 Jy ! Clean residual min=-0.002257 max=0.002406 Jy/beam ! Clean residual mean=0.000004 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.525348 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 169 components and 0.525348 Jy wmap "J0746+2549_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.666 x 1.073 at 6.766 degrees (North through East) ! Clean map min=-0.0039349 max=0.44043 Jy/beam ! Writing clean map to FITS file: J0746+2549_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.440434 invert ! Inverting map ! Your choice of large map pixels excluded 10.1% of the data. ! The x-axis pixel size should ideally be below 0.1798 milli-arcsec ! The y-axis pixel size should ideally be below 0.1805 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000631095 device "J0746+2549_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0746+2549_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.429868 0.429868 0.859736 1.71947 3.43894 6.87789 13.7558 27.5116 55.0231 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.44 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.666 x 1.073 at 6.766 degrees (North through East) ! Clean map min=-0.0039349 max=0.44043 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0746+2549_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0746+2549_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0746+2549_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:46:56 2010