! Started logfile: J0547+2721_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:24:27 2011 obs J0547+2721_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0547+2721_X_2009_04_21_pus_uva.fits ! AN table 1: 127 integrations on 120 of 120 possible baselines. ! AN table 2: 92 integrations on 120 of 120 possible baselines. ! AN table 3: 42 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.298116 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0547+2721 ! ! 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 2445 lines of history. ! ! Reading 37348 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0547+2721_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 1250 telescope corrections were flagged in sub-array 2. ! A total of 555 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 1250 telescope corrections were flagged in sub-array 2. ! A total of 555 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 1250 telescope corrections were flagged in sub-array 2. ! A total of 555 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 1250 telescope corrections were flagged in sub-array 2. ! A total of 555 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.807610Jy sigma=0.006885 ! Fit after self-cal, rms=0.655037Jy sigma=0.005378 ! 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 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 milli-arcsec ! Estimated beam: bmin=0.5307 mas, bmaj=0.9817 mas, bpa=-15.69 degrees ! Estimated noise=1070.43 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 = 0.28058 Jy ! Component: 100 - total flux cleaned = 0.344259 Jy ! Total flux subtracted in 100 components = 0.344259 Jy ! Clean residual min=-0.010088 max=0.023554 Jy/beam ! Clean residual mean=0.000337 rms=0.003000 Jy/beam ! Combined flux in latest and established models = 0.344259 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.344259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182899Jy sigma=0.001351 ! Fit after self-cal, rms=0.182895Jy sigma=0.001351 ! Inverting map ! Your choice of large map pixels excluded 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0259735 Jy ! Component: 100 - total flux cleaned = 0.0414476 Jy ! Total flux subtracted in 100 components = 0.0414476 Jy ! Clean residual min=-0.007549 max=0.014008 Jy/beam ! Clean residual mean=0.000254 rms=0.002188 Jy/beam ! Combined flux in latest and established models = 0.385707 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.385707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177463Jy sigma=0.001274 ! Fit after self-cal, rms=0.177481Jy sigma=0.001274 ! Inverting map ! Your choice of large map pixels excluded 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 milli-arcsec ! Added new window around map position (0.6, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138576 Jy ! Component: 100 - total flux cleaned = 0.0236519 Jy ! Total flux subtracted in 100 components = 0.0236519 Jy ! Clean residual min=-0.006632 max=0.009511 Jy/beam ! Clean residual mean=0.000208 rms=0.001901 Jy/beam ! Combined flux in latest and established models = 0.409359 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.409359 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175583Jy sigma=0.001249 ! Fit after self-cal, rms=0.175545Jy sigma=0.001249 ! Inverting map ! Your choice of large map pixels excluded 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 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 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 milli-arcsec ! Estimated beam: bmin=0.6545 mas, bmaj=1.19 mas, bpa=-13.34 degrees ! Estimated noise=453.347 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 = 0.0178445 Jy ! Component: 100 - total flux cleaned = 0.0294963 Jy ! Component: 150 - total flux cleaned = 0.0377122 Jy ! Component: 200 - total flux cleaned = 0.043609 Jy ! Total flux subtracted in 200 components = 0.043609 Jy ! Clean residual min=-0.004196 max=0.007592 Jy/beam ! Clean residual mean=0.000541 rms=0.001392 Jy/beam ! Combined flux in latest and established models = 0.452968 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 44 components and 0.452968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173867Jy sigma=0.001223 ! Fit after self-cal, rms=0.173835Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 milli-arcsec ! Added new window around map position (-13.2, 23.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00754443 Jy ! Component: 100 - total flux cleaned = 0.0117171 Jy ! Component: 150 - total flux cleaned = 0.0142292 Jy ! Component: 200 - total flux cleaned = 0.0153548 Jy ! Total flux subtracted in 200 components = 0.0153548 Jy ! Clean residual min=-0.004029 max=0.005827 Jy/beam ! Clean residual mean=0.000435 rms=0.001185 Jy/beam ! Combined flux in latest and established models = 0.468322 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 68 components and 0.468322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173462Jy sigma=0.001220 ! Fit after self-cal, rms=0.173429Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 3.02% of the data. ! The x-axis pixel size should ideally be below 0.1574 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 0.97 FD 0.99 HN 1.16 KB 1.00* ! KK 1.02 KP 0.99 LA 0.98 MK 0.99 ! NL 1.00 NY 0.96 OV 1.01 PT 1.01 ! SC 1.01 TS 1.00* WZ 1.09 ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.97 ! KK 1.00 KP 1.00* LA 1.00* MK 0.92 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.98 WZ 1.00* ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.22 KB 1.00* ! KK 0.99 KP 1.00 LA 0.98 MK 0.99 ! NL 0.99 NY 1.01 OV 0.99 PT 0.99 ! SC 1.01 TS 1.00* WZ 1.05 ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.98 ! KK 1.01 KP 1.00* LA 1.00* MK 0.96 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.97 WZ 1.00* ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.21 KB 1.00* ! KK 1.00 KP 0.99 LA 0.96 MK 0.99 ! NL 1.00 NY 1.03 OV 1.02 PT 0.99 ! SC 1.04 TS 1.00* WZ 1.01 ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 1.04 ! KK 1.04 KP 1.00* LA 1.00* MK 0.97 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.92 WZ 1.00* ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.20 KB 1.00* ! KK 1.00 KP 1.00 LA 0.95 MK 1.01 ! NL 1.01 NY 0.98 OV 1.01 PT 0.98 ! SC 1.03 TS 1.00* WZ 1.05 ZC 1.00* ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.96 ! KK 1.02 KP 1.00* LA 1.00* MK 0.93 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00 WZ 1.00* ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.173429Jy sigma=0.001219 ! Fit after self-cal, rms=0.182779Jy sigma=0.001213 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6645 mas, bmaj=1.212 mas, bpa=-15.08 degrees ! Estimated noise=466.664 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 = -0.00244573 Jy ! Component: 100 - total flux cleaned = -0.00292481 Jy ! Component: 150 - total flux cleaned = -0.00318637 Jy ! Component: 200 - total flux cleaned = -0.00329953 Jy ! Total flux subtracted in 200 components = -0.00329953 Jy ! Clean residual min=-0.003853 max=0.002482 Jy/beam ! Clean residual mean=0.000003 rms=0.000693 Jy/beam ! Combined flux in latest and established models = 0.465023 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 80 components and 0.465023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182705Jy sigma=0.001212 ! Fit after self-cal, rms=0.182772Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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=0.182772Jy sigma=0.001212 ! Fit after self-cal, rms=0.183336Jy sigma=0.001212 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6659 mas, bmaj=1.214 mas, bpa=-14.96 degrees ! Estimated noise=466.353 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00214275 Jy ! Component: 100 - total flux cleaned = -0.00238811 Jy ! Component: 150 - total flux cleaned = -0.00254741 Jy ! Component: 200 - total flux cleaned = -0.00264244 Jy ! Total flux subtracted in 200 components = -0.00264244 Jy ! Clean residual min=-0.003476 max=0.002373 Jy/beam ! Clean residual mean=0.000003 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 0.462381 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 85 components and 0.46238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183290Jy sigma=0.001212 ! Fit after self-cal, rms=0.183287Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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 = -0.000227109 Jy ! Component: 100 - total flux cleaned = -0.000314844 Jy ! Component: 150 - total flux cleaned = -0.000353513 Jy ! Component: 200 - total flux cleaned = -0.000390222 Jy ! Total flux subtracted in 200 components = -0.000390222 Jy ! Clean residual min=-0.003336 max=0.002326 Jy/beam ! Clean residual mean=0.000004 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.46199 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.46199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183267Jy sigma=0.001211 ! Fit after self-cal, rms=0.183261Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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=0.183261Jy sigma=0.001211 ! Fit after self-cal, rms=0.183923Jy sigma=0.001211 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6674 mas, bmaj=1.215 mas, bpa=-14.84 degrees ! Estimated noise=466.202 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00173878 Jy ! Component: 100 - total flux cleaned = -0.00205189 Jy ! Component: 150 - total flux cleaned = -0.00220803 Jy ! Component: 200 - total flux cleaned = -0.00231514 Jy ! Total flux subtracted in 200 components = -0.00231514 Jy ! Clean residual min=-0.003026 max=0.002350 Jy/beam ! Clean residual mean=0.000004 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 0.459675 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 0.459675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183899Jy sigma=0.001211 ! Fit after self-cal, rms=0.183900Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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 = -0.000229386 Jy ! Component: 100 - total flux cleaned = -0.000261946 Jy ! Component: 150 - total flux cleaned = -0.000324263 Jy ! Component: 200 - total flux cleaned = -0.000381222 Jy ! Total flux subtracted in 200 components = -0.000381222 Jy ! Clean residual min=-0.002917 max=0.002310 Jy/beam ! Clean residual mean=0.000005 rms=0.000603 Jy/beam ! Combined flux in latest and established models = 0.459294 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 92 components and 0.459294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183889Jy sigma=0.001211 ! Fit after self-cal, rms=0.183884Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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=0.183884Jy sigma=0.001211 ! Fit after self-cal, rms=0.184421Jy sigma=0.001211 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=2.039 mas, bmaj=2.928 mas, bpa=5.464 degrees ! Estimated noise=647.367 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00191869 Jy ! Component: 100 - total flux cleaned = -0.00225108 Jy ! Component: 150 - total flux cleaned = -0.00231339 Jy ! Component: 200 - total flux cleaned = -0.00236439 Jy ! Total flux subtracted in 200 components = -0.00236439 Jy ! Clean residual min=-0.003358 max=0.002520 Jy/beam ! Clean residual mean=0.000024 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.45693 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 98 components and 0.45693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184413Jy sigma=0.001211 ! Fit after self-cal, rms=0.184410Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 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 = -0.000121968 Jy ! Component: 100 - total flux cleaned = -0.000104328 Jy ! Component: 150 - total flux cleaned = -0.000105453 Jy ! Component: 200 - total flux cleaned = -9.11173e-05 Jy ! Total flux subtracted in 200 components = -9.11173e-05 Jy ! Clean residual min=-0.003364 max=0.002491 Jy/beam ! Clean residual mean=0.000025 rms=0.000817 Jy/beam ! Combined flux in latest and established models = 0.456838 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 98 components and 0.456838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184411Jy sigma=0.001211 ! Fit after self-cal, rms=0.184407Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6686 mas, bmaj=1.216 mas, bpa=-14.76 degrees ! Estimated noise=466.051 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6686 x 1.216 at -14.76 degrees (North through East) ! Clean map min=-0.0023809 max=0.36669 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.5392 mas, bmaj=1.008 mas, bpa=-17.67 degrees ! Estimated noise=1138.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.287019 Jy ! Component: 100 - total flux cleaned = 0.351078 Jy ! Component: 150 - total flux cleaned = 0.376092 Jy ! Component: 200 - total flux cleaned = 0.391782 Jy ! Total flux subtracted in 200 components = 0.391782 Jy ! Clean residual min=-0.006069 max=0.008606 Jy/beam ! Clean residual mean=0.000140 rms=0.001840 Jy/beam ! Combined flux in latest and established models = 0.391782 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.391782 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6686 mas, bmaj=1.216 mas, bpa=-14.76 degrees ! Estimated noise=466.051 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 = 0.0195264 Jy ! Component: 100 - total flux cleaned = 0.0319342 Jy ! Component: 150 - total flux cleaned = 0.0407008 Jy ! Component: 200 - total flux cleaned = 0.0470305 Jy ! Total flux subtracted in 200 components = 0.0470305 Jy ! Clean residual min=-0.002933 max=0.004379 Jy/beam ! Clean residual mean=0.000058 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.438813 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 50 components and 0.438813 Jy ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Added new window around map position (0.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00490869 Jy ! Component: 100 - total flux cleaned = 0.00843874 Jy ! Component: 150 - total flux cleaned = 0.0111011 Jy ! Component: 200 - total flux cleaned = 0.0131406 Jy ! Total flux subtracted in 200 components = 0.0131406 Jy ! Clean residual min=-0.002741 max=0.002270 Jy/beam ! Clean residual mean=0.000020 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 0.451954 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 69 components and 0.451954 Jy ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=2.039 mas, bmaj=2.928 mas, bpa=5.464 degrees ! Estimated noise=647.367 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231677 Jy ! Component: 100 - total flux cleaned = 0.00275016 Jy ! Component: 150 - total flux cleaned = 0.00301172 Jy ! Component: 200 - total flux cleaned = 0.00320058 Jy ! Total flux subtracted in 200 components = 0.00320058 Jy ! Clean residual min=-0.003052 max=0.002299 Jy/beam ! Clean residual mean=0.000040 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.455154 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 = 9.97882e-05 Jy ! Component: 100 - total flux cleaned = 0.00018411 Jy ! Component: 150 - total flux cleaned = 0.000256059 Jy ! Component: 200 - total flux cleaned = 0.000303187 Jy ! Total flux subtracted in 200 components = 0.000303187 Jy ! Clean residual min=-0.003041 max=0.002293 Jy/beam ! Clean residual mean=0.000038 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.455457 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 88 components and 0.455457 Jy ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! Estimated beam: bmin=0.6686 mas, bmaj=1.216 mas, bpa=-14.76 degrees ! Estimated noise=466.051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000126432 Jy ! Component: 100 - total flux cleaned = -0.000225835 Jy ! Component: 150 - total flux cleaned = -0.000312302 Jy ! Component: 200 - total flux cleaned = -0.000233733 Jy ! Total flux subtracted in 200 components = -0.000233733 Jy ! Clean residual min=-0.002543 max=0.002173 Jy/beam ! Clean residual mean=0.000013 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.455224 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 97 components and 0.455224 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184438Jy sigma=0.001211 ! Fit after self-cal, rms=0.184411Jy sigma=0.001211 wmodel J0547+2721_X_2009_04_21_pus_map.mod ! Writing 97 model components to file: J0547+2721_X_2009_04_21_pus_map.mod wobs J0547+2721_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0547+2721_X_2009_04_21_pus_uvs.fits wwins J0547+2721_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J0547+2721_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00115411 Jy ! Component: 100 - total flux cleaned = -0.00206896 Jy ! Component: 150 - total flux cleaned = -0.0028377 Jy ! Component: 200 - total flux cleaned = -0.00330667 Jy ! Component: 250 - total flux cleaned = -0.00348002 Jy ! Component: 300 - total flux cleaned = -0.00361366 Jy ! Component: 350 - total flux cleaned = -0.00380806 Jy ! Component: 400 - total flux cleaned = -0.00393519 Jy ! Component: 450 - total flux cleaned = -0.00409036 Jy ! Component: 500 - total flux cleaned = -0.00411992 Jy ! Component: 550 - total flux cleaned = -0.00411973 Jy ! Component: 600 - total flux cleaned = -0.00411966 Jy ! Component: 650 - total flux cleaned = -0.00403399 Jy ! Component: 700 - total flux cleaned = -0.00403427 Jy ! Component: 750 - total flux cleaned = -0.00406201 Jy ! Component: 800 - total flux cleaned = -0.00395207 Jy ! Component: 850 - total flux cleaned = -0.00395243 Jy ! Component: 900 - total flux cleaned = -0.00392575 Jy ! Component: 950 - total flux cleaned = -0.0039525 Jy ! Component: 1000 - total flux cleaned = -0.00390052 Jy ! Component: 1050 - total flux cleaned = -0.00384914 Jy ! Component: 1100 - total flux cleaned = -0.00389985 Jy ! Component: 1150 - total flux cleaned = -0.00384884 Jy ! Component: 1200 - total flux cleaned = -0.00369973 Jy ! Component: 1250 - total flux cleaned = -0.00370006 Jy ! Component: 1300 - total flux cleaned = -0.00365129 Jy ! Component: 1350 - total flux cleaned = -0.00355463 Jy ! Component: 1400 - total flux cleaned = -0.00350685 Jy ! Component: 1450 - total flux cleaned = -0.00343595 Jy ! Component: 1500 - total flux cleaned = -0.00343581 Jy ! Component: 1550 - total flux cleaned = -0.00329678 Jy ! Component: 1600 - total flux cleaned = -0.00320531 Jy ! Component: 1650 - total flux cleaned = -0.00320519 Jy ! Component: 1700 - total flux cleaned = -0.00307027 Jy ! Component: 1750 - total flux cleaned = -0.00298132 Jy ! Component: 1800 - total flux cleaned = -0.0028711 Jy ! Component: 1850 - total flux cleaned = -0.00278369 Jy ! Component: 1900 - total flux cleaned = -0.00265406 Jy ! Component: 1950 - total flux cleaned = -0.00258958 Jy ! Component: 2000 - total flux cleaned = -0.00244123 Jy ! Total flux subtracted in 2048 components = -0.00233629 Jy ! Clean residual min=-0.001128 max=0.001145 Jy/beam ! Clean residual mean=0.000017 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.452887 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 238 components and 0.452887 Jy ![Exited script file: muppet] wmap "J0547+2721_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6686 x 1.216 at -14.76 degrees (North through East) ! Clean map min=-0.00237 max=0.36826 Jy/beam ! Writing clean map to FITS file: J0547+2721_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.368258 invert ! Inverting map ! Your choice of large map pixels excluded 2.67% of the data. ! The x-axis pixel size should ideally be below 0.1713 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000372455 device "J0547+2721_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0547+2721_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.303419 0.303419 0.606839 1.21368 2.42736 4.85471 9.70942 19.4188 38.8377 77.6754 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.368 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6686 x 1.216 at -14.76 degrees (North through East) ! Clean map min=-0.00237 max=0.36826 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0547+2721_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0547+2721_X_2009_04_21_pus_map.gif/vgif' mapplot cln