! Started logfile: J1740+5211_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:29:02 2010 obs J1740+5211_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1740+5211_X_2008_07_09_pus_uva.fits ! AN table 1: 1 integrations on 105 of 105 possible baselines. ! AN table 2: 455 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.153801 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1740+5211 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1146 lines of history. ! ! Reading 29456 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! A total of 5137 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! A total of 5141 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! A total of 5144 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! A total of 5140 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.928349Jy sigma=0.007196 ! Fit after self-cal, rms=0.534700Jy sigma=0.003789 ! 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 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.5455 mas, bmaj=0.7388 mas, bpa=52.4 degrees ! Estimated noise=1016.98 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 = 0.405037 Jy ! Component: 100 - total flux cleaned = 0.539132 Jy ! Total flux subtracted in 100 components = 0.539132 Jy ! Clean residual min=-0.014930 max=0.060430 Jy/beam ! Clean residual mean=0.000157 rms=0.005290 Jy/beam ! Combined flux in latest and established models = 0.539132 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.539132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234148Jy sigma=0.001678 ! Fit after self-cal, rms=0.234001Jy sigma=0.001677 ! Inverting map ! Your choice of large map pixels excluded 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0685586 Jy ! Component: 100 - total flux cleaned = 0.111155 Jy ! Total flux subtracted in 100 components = 0.111155 Jy ! Clean residual min=-0.009707 max=0.023203 Jy/beam ! Clean residual mean=-0.000001 rms=0.003061 Jy/beam ! Combined flux in latest and established models = 0.650287 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 18 components and 0.650287 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208909Jy sigma=0.001402 ! Fit after self-cal, rms=0.208860Jy sigma=0.001402 ! Inverting map ! Your choice of large map pixels excluded 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0292928 Jy ! Component: 100 - total flux cleaned = 0.0493578 Jy ! Total flux subtracted in 100 components = 0.0493578 Jy ! Clean residual min=-0.008599 max=0.016249 Jy/beam ! Clean residual mean=-0.000070 rms=0.002403 Jy/beam ! Combined flux in latest and established models = 0.699645 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.699645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203415Jy sigma=0.001335 ! Fit after self-cal, rms=0.203378Jy sigma=0.001335 ! Inverting map ! Your choice of large map pixels excluded 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Added new window around map position (0.6, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163708 Jy ! Component: 100 - total flux cleaned = 0.0276471 Jy ! Total flux subtracted in 100 components = 0.0276471 Jy ! Clean residual min=-0.008233 max=0.010308 Jy/beam ! Clean residual mean=-0.000106 rms=0.002142 Jy/beam ! Combined flux in latest and established models = 0.727292 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 30 components and 0.727292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201586Jy sigma=0.001311 ! Fit after self-cal, rms=0.201527Jy sigma=0.001311 ! Inverting map ! Your choice of large map pixels excluded 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6365 mas, bmaj=0.8149 mas, bpa=58.81 degrees ! Estimated noise=582.107 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 = 0.015682 Jy ! Component: 100 - total flux cleaned = 0.0258685 Jy ! Component: 150 - total flux cleaned = 0.033003 Jy ! Component: 200 - total flux cleaned = 0.0380546 Jy ! Total flux subtracted in 200 components = 0.0380546 Jy ! Clean residual min=-0.008715 max=0.007522 Jy/beam ! Clean residual mean=-0.000690 rms=0.002071 Jy/beam ! Combined flux in latest and established models = 0.765347 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 42 components and 0.765347 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200556Jy sigma=0.001295 ! Fit after self-cal, rms=0.200460Jy sigma=0.001294 ! Inverting map ! Your choice of large map pixels excluded 3.61% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 186 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.97 HH 1.00* HN 1.07 ! KK 1.05 KP 1.01 LA 0.97 MK 0.97 ! NL 1.00 NY 1.01 ON 0.97 PT 1.00 ! SC 0.99 WZ 1.02 ZC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 186 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HH 1.00* HN 0.98 ! KK 1.07 KP 0.94 LA 0.97 MK 0.97 ! NL 0.98 NY 1.04 ON 0.97 PT 1.01 ! SC 1.00 WZ 1.03 ZC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 183 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HH 1.00* HN 0.98 ! KK 1.00 KP 0.98 LA 1.01 MK 0.99 ! NL 1.02 NY 1.01 ON 0.98 PT 1.01 ! SC 1.03 WZ 1.01 ZC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 186 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.97 HH 1.00* HN 0.97 ! KK 1.02 KP 0.98 LA 1.00 MK 0.99 ! NL 1.02 NY 1.05 ON 0.97 PT 1.05 ! SC 1.02 WZ 1.03 ZC 1.04 ! ! ! Fit before self-cal, rms=0.200460Jy sigma=0.001294 ! Fit after self-cal, rms=0.197321Jy sigma=0.001284 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6428 mas, bmaj=0.822 mas, bpa=58.4 degrees ! Estimated noise=581.167 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 = 0.000165819 Jy ! Component: 100 - total flux cleaned = 0.000377562 Jy ! Component: 150 - total flux cleaned = 0.000293161 Jy ! Component: 200 - total flux cleaned = 0.000285865 Jy ! Total flux subtracted in 200 components = 0.000285865 Jy ! Clean residual min=-0.008076 max=0.006115 Jy/beam ! Clean residual mean=-0.000701 rms=0.001876 Jy/beam ! Combined flux in latest and established models = 0.765632 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 44 components and 0.765632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197200Jy sigma=0.001283 ! Fit after self-cal, rms=0.197200Jy sigma=0.001283 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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=0.197200Jy sigma=0.001283 ! Fit after self-cal, rms=0.194921Jy sigma=0.001251 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6438 mas, bmaj=0.8207 mas, bpa=58.08 degrees ! Estimated noise=581.376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000288879 Jy ! Component: 100 - total flux cleaned = 0.000643407 Jy ! Component: 150 - total flux cleaned = 0.000708181 Jy ! Component: 200 - total flux cleaned = 0.000596138 Jy ! Total flux subtracted in 200 components = 0.000596138 Jy ! Clean residual min=-0.002561 max=0.002962 Jy/beam ! Clean residual mean=-0.000013 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.766228 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 46 components and 0.766228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194861Jy sigma=0.001250 ! Fit after self-cal, rms=0.194900Jy sigma=0.001250 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.98019e-05 Jy ! Component: 100 - total flux cleaned = 5.16765e-06 Jy ! Component: 150 - total flux cleaned = 3.91278e-05 Jy ! Component: 200 - total flux cleaned = 6.88115e-05 Jy ! Total flux subtracted in 200 components = 6.88115e-05 Jy ! Clean residual min=-0.002618 max=0.002841 Jy/beam ! Clean residual mean=-0.000016 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 0.766297 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.766297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194882Jy sigma=0.001250 ! Fit after self-cal, rms=0.194881Jy sigma=0.001250 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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=0.194881Jy sigma=0.001250 ! Fit after self-cal, rms=0.194803Jy sigma=0.001249 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6442 mas, bmaj=0.8205 mas, bpa=58.17 degrees ! Estimated noise=580.737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000450162 Jy ! Component: 100 - total flux cleaned = -0.000350662 Jy ! Component: 150 - total flux cleaned = -0.000376256 Jy ! Component: 200 - total flux cleaned = -0.000397265 Jy ! Total flux subtracted in 200 components = -0.000397265 Jy ! Clean residual min=-0.002512 max=0.002692 Jy/beam ! Clean residual mean=0.000002 rms=0.000703 Jy/beam ! Combined flux in latest and established models = 0.7659 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.7659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194786Jy sigma=0.001249 ! Fit after self-cal, rms=0.194789Jy sigma=0.001249 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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 = -6.76261e-05 Jy ! Component: 100 - total flux cleaned = 3.05094e-05 Jy ! Component: 150 - total flux cleaned = 5.17675e-05 Jy ! Component: 200 - total flux cleaned = 7.12622e-05 Jy ! Total flux subtracted in 200 components = 7.12622e-05 Jy ! Clean residual min=-0.002551 max=0.002703 Jy/beam ! Clean residual mean=0.000001 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.765971 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 0.765972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194779Jy sigma=0.001249 ! Fit after self-cal, rms=0.194780Jy sigma=0.001249 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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=0.194780Jy sigma=0.001249 ! Fit after self-cal, rms=0.194679Jy sigma=0.001249 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=2.255 mas, bmaj=2.482 mas, bpa=-57.32 degrees ! Estimated noise=919.387 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000972792 Jy ! Component: 100 - total flux cleaned = 0.00103318 Jy ! Component: 150 - total flux cleaned = 0.00108434 Jy ! Component: 200 - total flux cleaned = 0.00112815 Jy ! Total flux subtracted in 200 components = 0.00112815 Jy ! Clean residual min=-0.002925 max=0.003154 Jy/beam ! Clean residual mean=-0.000005 rms=0.001066 Jy/beam ! Combined flux in latest and established models = 0.7671 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 53 components and 0.7671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194676Jy sigma=0.001249 ! Fit after self-cal, rms=0.194675Jy sigma=0.001249 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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 = 8.8783e-05 Jy ! Component: 100 - total flux cleaned = 0.000143255 Jy ! Component: 150 - total flux cleaned = 0.000207776 Jy ! Component: 200 - total flux cleaned = 0.000243922 Jy ! Total flux subtracted in 200 components = 0.000243922 Jy ! Clean residual min=-0.002979 max=0.003158 Jy/beam ! Clean residual mean=-0.000009 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.767344 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 53 components and 0.767344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194677Jy sigma=0.001249 ! Fit after self-cal, rms=0.194675Jy sigma=0.001249 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6444 mas, bmaj=0.8203 mas, bpa=58.22 degrees ! Estimated noise=580.194 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6444 x 0.8203 at 58.22 degrees (North through East) ! Clean map min=-0.0021346 max=0.53683 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=0.194675Jy sigma=0.001249 ! Fit after self-cal, rms=0.210543Jy sigma=0.001149 ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6435 mas, bmaj=0.8205 mas, bpa=58.24 degrees ! Estimated noise=580.236 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000245655 Jy ! Component: 100 - total flux cleaned = 0.000242993 Jy ! Component: 150 - total flux cleaned = 0.000188581 Jy ! Component: 200 - total flux cleaned = 0.000139969 Jy ! Total flux subtracted in 200 components = 0.000139969 Jy ! Clean residual min=-0.002624 max=0.002963 Jy/beam ! Clean residual mean=0.000019 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.767484 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 54 components and 0.767484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210525Jy sigma=0.001149 ! Fit after self-cal, rms=0.210533Jy sigma=0.001149 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Added new window around map position (1.8, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220757 Jy ! Component: 100 - total flux cleaned = 0.00247796 Jy ! Component: 150 - total flux cleaned = 0.00276179 Jy ! Component: 200 - total flux cleaned = 0.00285886 Jy ! Total flux subtracted in 200 components = 0.00285886 Jy ! Clean residual min=-0.002548 max=0.002544 Jy/beam ! Clean residual mean=0.000007 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 0.770342 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 0.770342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210479Jy sigma=0.001149 ! Fit after self-cal, rms=0.210486Jy sigma=0.001149 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210486Jy sigma=0.001149 ! Fit after self-cal, rms=0.212323Jy sigma=0.001149 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 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.5495 mas, bmaj=0.737 mas, bpa=53 degrees ! Estimated noise=1003.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.40291 Jy ! Component: 100 - total flux cleaned = 0.535512 Jy ! Component: 150 - total flux cleaned = 0.603 Jy ! Component: 200 - total flux cleaned = 0.645005 Jy ! Total flux subtracted in 200 components = 0.645005 Jy ! Clean residual min=-0.007634 max=0.022873 Jy/beam ! Clean residual mean=0.000129 rms=0.002533 Jy/beam ! Combined flux in latest and established models = 0.645005 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.645005 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6436 mas, bmaj=0.8205 mas, bpa=58.14 degrees ! Estimated noise=580.806 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 = 0.0419531 Jy ! Component: 100 - total flux cleaned = 0.0683152 Jy ! Component: 150 - total flux cleaned = 0.0855865 Jy ! Component: 200 - total flux cleaned = 0.0972945 Jy ! Total flux subtracted in 200 components = 0.0972945 Jy ! Clean residual min=-0.003254 max=0.007105 Jy/beam ! Clean residual mean=0.000110 rms=0.001177 Jy/beam ! Combined flux in latest and established models = 0.742299 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 37 components and 0.742299 Jy ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Added new window around map position (1.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00824465 Jy ! Component: 100 - total flux cleaned = 0.0140092 Jy ! Component: 150 - total flux cleaned = 0.0182427 Jy ! Component: 200 - total flux cleaned = 0.0214289 Jy ! Total flux subtracted in 200 components = 0.0214289 Jy ! Clean residual min=-0.002696 max=0.002910 Jy/beam ! Clean residual mean=0.000034 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.763728 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 57 components and 0.763728 Jy ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 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 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=2.253 mas, bmaj=2.48 mas, bpa=-57.39 degrees ! Estimated noise=921.763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00520703 Jy ! Component: 100 - total flux cleaned = 0.00783552 Jy ! Component: 150 - total flux cleaned = 0.00888388 Jy ! Component: 200 - total flux cleaned = 0.00926393 Jy ! Total flux subtracted in 200 components = 0.00926393 Jy ! Clean residual min=-0.002524 max=0.003081 Jy/beam ! Clean residual mean=0.000003 rms=0.000969 Jy/beam ! Combined flux in latest and established models = 0.772992 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 = 0.000231816 Jy ! Component: 100 - total flux cleaned = 0.000424568 Jy ! Component: 150 - total flux cleaned = 0.000586399 Jy ! Component: 200 - total flux cleaned = 0.000677946 Jy ! Total flux subtracted in 200 components = 0.000677946 Jy ! Clean residual min=-0.002554 max=0.002891 Jy/beam ! Clean residual mean=-0.000007 rms=0.000940 Jy/beam ! Combined flux in latest and established models = 0.77367 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 81 components and 0.77367 Jy ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! Estimated beam: bmin=0.6436 mas, bmaj=0.8205 mas, bpa=58.14 degrees ! Estimated noise=580.806 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000732942 Jy ! Component: 100 - total flux cleaned = -0.000557411 Jy ! Component: 150 - total flux cleaned = -0.000452262 Jy ! Component: 200 - total flux cleaned = -0.000403116 Jy ! Total flux subtracted in 200 components = -0.000403116 Jy ! Clean residual min=-0.002558 max=0.002611 Jy/beam ! Clean residual mean=-0.000002 rms=0.000650 Jy/beam ! Combined flux in latest and established models = 0.773267 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 91 components and 0.773267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212269Jy sigma=0.001148 ! Fit after self-cal, rms=0.212269Jy sigma=0.001148 wmodel J1740+5211_X_2008_07_09_pus_map.mod ! Writing 91 model components to file: J1740+5211_X_2008_07_09_pus_map.mod wobs J1740+5211_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1740+5211_X_2008_07_09_pus_uvs.fits wwins J1740+5211_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J1740+5211_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000156882 Jy ! Component: 100 - total flux cleaned = -7.19941e-05 Jy ! Component: 150 - total flux cleaned = -0.000152961 Jy ! Component: 200 - total flux cleaned = -0.000190946 Jy ! Component: 250 - total flux cleaned = -0.000265735 Jy ! Component: 300 - total flux cleaned = -0.000302954 Jy ! Component: 350 - total flux cleaned = -0.000446733 Jy ! Component: 400 - total flux cleaned = -0.000587137 Jy ! Component: 450 - total flux cleaned = -0.000690021 Jy ! Component: 500 - total flux cleaned = -0.000690257 Jy ! Component: 550 - total flux cleaned = -0.000756781 Jy ! Component: 600 - total flux cleaned = -0.000724148 Jy ! Component: 650 - total flux cleaned = -0.000821009 Jy ! Component: 700 - total flux cleaned = -0.000789234 Jy ! Component: 750 - total flux cleaned = -0.000820611 Jy ! Component: 800 - total flux cleaned = -0.000882644 Jy ! Component: 850 - total flux cleaned = -0.000913456 Jy ! Component: 900 - total flux cleaned = -0.00103481 Jy ! Component: 950 - total flux cleaned = -0.00103444 Jy ! Component: 1000 - total flux cleaned = -0.00109389 Jy ! Total flux subtracted in 1024 components = -0.00106469 Jy ! Clean residual min=-0.001845 max=0.002327 Jy/beam ! Clean residual mean=0.000013 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.772202 Jy keep ! Adding 84 model components to the UV plane model. ! The established model now contains 175 components and 0.772202 Jy wmap "J1740+5211_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6436 x 0.8205 at 58.14 degrees (North through East) ! Clean map min=-0.0022259 max=0.53772 Jy/beam ! Writing clean map to FITS file: J1740+5211_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.537715 invert ! Inverting map ! Your choice of large map pixels excluded 3.35% of the data. ! The x-axis pixel size should ideally be below 0.1645 milli-arcsec ! The y-axis pixel size should ideally be below 0.1892 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000556445 device "J1740+5211_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1740+5211_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.310449 0.310449 0.620899 1.2418 2.4836 4.96719 9.93438 19.8688 39.7375 79.4751 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.537 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6436 x 0.8205 at 58.14 degrees (North through East) ! Clean map min=-0.0022259 max=0.53772 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1740+5211_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1740+5211_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1740+5211_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:29:08 2010