! Started logfile: J0646+4451_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:46:35 2010 obs J0646+4451_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0646+4451_X_2008_04_02_pus_uva.fits ! AN table 1: 41 integrations on 120 of 120 possible baselines. ! AN table 2: 93 integrations on 120 of 120 possible baselines. ! AN table 3: 24 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.257015 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0646+4451 ! ! 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 2288 lines of history. ! ! Reading 19492 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 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 731 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 713 telescope corrections were flagged in sub-array 2. ! A total of 209 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.117810Jy sigma=0.017396 ! Fit after self-cal, rms=1.868461Jy sigma=0.015549 ! 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 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.5672 mas, bmaj=0.807 mas, bpa=10.93 degrees ! Estimated noise=1199.42 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 = 1.95444 Jy ! Component: 100 - total flux cleaned = 2.5808 Jy ! Total flux subtracted in 100 components = 2.5808 Jy ! Clean residual min=-0.051553 max=0.284596 Jy/beam ! Clean residual mean=-0.000455 rms=0.017092 Jy/beam ! Combined flux in latest and established models = 2.5808 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 2.5808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.594975Jy sigma=0.004939 ! Fit after self-cal, rms=0.593601Jy sigma=0.004936 ! Inverting map ! Your choice of large map pixels excluded 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.309676 Jy ! Component: 100 - total flux cleaned = 0.466642 Jy ! Total flux subtracted in 100 components = 0.466642 Jy ! Clean residual min=-0.037428 max=0.075747 Jy/beam ! Clean residual mean=-0.000567 rms=0.009177 Jy/beam ! Combined flux in latest and established models = 3.04745 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 3.04745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.377192Jy sigma=0.002736 ! Fit after self-cal, rms=0.375617Jy sigma=0.002731 ! Inverting map ! Your choice of large map pixels excluded 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0920676 Jy ! Component: 100 - total flux cleaned = 0.150644 Jy ! Total flux subtracted in 100 components = 0.150644 Jy ! Clean residual min=-0.033493 max=0.034720 Jy/beam ! Clean residual mean=-0.000604 rms=0.007769 Jy/beam ! Combined flux in latest and established models = 3.19809 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 3.19809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358746Jy sigma=0.002440 ! Fit after self-cal, rms=0.358569Jy sigma=0.002438 ! Inverting map ! Your choice of large map pixels excluded 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8345 mas, bmaj=1.058 mas, bpa=11.84 degrees ! Estimated noise=689.214 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 = 0.0254345 Jy ! Component: 100 - total flux cleaned = 0.0358715 Jy ! Component: 150 - total flux cleaned = 0.0369065 Jy ! Component: 200 - total flux cleaned = 0.037133 Jy ! Total flux subtracted in 200 components = 0.037133 Jy ! Clean residual min=-0.054427 max=0.051956 Jy/beam ! Clean residual mean=-0.006300 rms=0.014246 Jy/beam ! Combined flux in latest and established models = 3.23522 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 3.23522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358468Jy sigma=0.002407 ! Fit after self-cal, rms=0.358413Jy sigma=0.002407 ! Inverting map ! Your choice of large map pixels excluded 4.6% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* HH 0.93 HN 1.00 ! KK 0.89 KP 1.00* LA 1.00* MK 1.00* ! NL 1.02 NY 1.00 ON 0.93 OV 1.00* ! PT 1.00* SC 1.04 WZ 0.99 ZC 1.31 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 HH 0.96 HN 0.99 ! KK 1.02 KP 1.08 LA 1.00 MK 0.97 ! NL 0.96 NY 0.99 ON 1.01 OV 0.96 ! PT 1.03 SC 0.96 WZ 0.97 ZC 1.11 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 0.98 HH 1.00* HN 1.01 ! KK 0.96 KP 1.00 LA 0.96 MK 1.00 ! NL 0.98 NY 1.00 ON 1.00* OV 1.00 ! PT 0.95 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* HH 0.91 HN 1.00 ! KK 0.91 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00 NY 1.00 ON 0.94 OV 1.00* ! PT 1.00* SC 1.04 WZ 1.02 ZC 1.33 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 HH 0.93 HN 1.00 ! KK 0.99 KP 1.02 LA 0.98 MK 0.97 ! NL 0.94 NY 1.05 ON 1.02 OV 0.93 ! PT 1.02 SC 0.97 WZ 1.00 ZC 1.13 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 0.97 HH 1.00* HN 1.02 ! KK 0.96 KP 0.95 LA 0.95 MK 1.01 ! NL 0.94 NY 1.00 ON 1.00* OV 0.97 ! PT 0.95 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00* HH 0.94 HN 0.99 ! KK 0.93 KP 1.00* LA 1.00* MK 1.00* ! NL 1.03 NY 1.00 ON 0.96 OV 1.00* ! PT 1.00* SC 1.09 WZ 0.96 ZC 1.32 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.03 HH 0.95 HN 0.99 ! KK 1.06 KP 1.06 LA 1.01 MK 1.00 ! NL 0.96 NY 0.97 ON 1.00 OV 0.97 ! PT 1.02 SC 1.00 WZ 0.96 ZC 1.11 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 HH 1.00* HN 1.02 ! KK 1.01 KP 0.98 LA 0.99 MK 1.02 ! NL 0.97 NY 0.99 ON 1.00* OV 1.01 ! PT 0.95 SC 1.08 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00* HH 0.98 HN 1.00 ! KK 0.97 KP 1.00* LA 1.00* MK 1.00* ! NL 1.04 NY 1.02 ON 0.97 OV 1.00* ! PT 1.00* SC 1.10 WZ 0.97 ZC 1.36 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.02 HH 1.01 HN 1.00 ! KK 1.04 KP 1.05 LA 1.00 MK 1.01 ! NL 0.97 NY 1.02 ON 1.01 OV 0.96 ! PT 1.02 SC 1.02 WZ 0.95 ZC 1.16 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.97 HH 1.00* HN 1.02 ! KK 0.99 KP 0.98 LA 0.97 MK 1.04 ! NL 0.99 NY 1.04 ON 1.00* OV 1.00 ! PT 0.94 SC 1.09 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.358413Jy sigma=0.002407 ! Fit after self-cal, rms=0.323124Jy sigma=0.002020 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8445 mas, bmaj=1.063 mas, bpa=13.01 degrees ! Estimated noise=692.473 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 = -0.0172329 Jy ! Component: 100 - total flux cleaned = -0.018806 Jy ! Component: 150 - total flux cleaned = -0.0190598 Jy ! Component: 200 - total flux cleaned = -0.0194902 Jy ! Total flux subtracted in 200 components = -0.0194902 Jy ! Clean residual min=-0.042482 max=0.039833 Jy/beam ! Clean residual mean=-0.004478 rms=0.011357 Jy/beam ! Combined flux in latest and established models = 3.21573 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 22 components and 3.21573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321704Jy sigma=0.002018 ! Fit after self-cal, rms=0.321536Jy sigma=0.002017 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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=0.321536Jy sigma=0.002017 ! Fit after self-cal, rms=0.247004Jy sigma=0.001336 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8448 mas, bmaj=1.065 mas, bpa=12.83 degrees ! Estimated noise=693.001 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000946081 Jy ! Component: 100 - total flux cleaned = -0.00135041 Jy ! Component: 150 - total flux cleaned = -0.00151404 Jy ! Component: 200 - total flux cleaned = -0.00167364 Jy ! Total flux subtracted in 200 components = -0.00167364 Jy ! Clean residual min=-0.005904 max=0.008482 Jy/beam ! Clean residual mean=0.000101 rms=0.001286 Jy/beam ! Combined flux in latest and established models = 3.21406 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 24 components and 3.21406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246601Jy sigma=0.001335 ! Fit after self-cal, rms=0.246585Jy sigma=0.001335 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (1, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00379046 Jy ! Component: 100 - total flux cleaned = 0.00376855 Jy ! Component: 150 - total flux cleaned = 0.00339726 Jy ! Component: 200 - total flux cleaned = 0.00323447 Jy ! Total flux subtracted in 200 components = 0.00323447 Jy ! Clean residual min=-0.005847 max=0.005365 Jy/beam ! Clean residual mean=0.000067 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 3.21729 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 37 components and 3.21729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245935Jy sigma=0.001331 ! Fit after self-cal, rms=0.245862Jy sigma=0.001330 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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=0.245862Jy sigma=0.001330 ! Fit after self-cal, rms=0.246278Jy sigma=0.001329 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8455 mas, bmaj=1.065 mas, bpa=12.73 degrees ! Estimated noise=693.552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00222533 Jy ! Component: 100 - total flux cleaned = 0.00225222 Jy ! Component: 150 - total flux cleaned = 0.00224366 Jy ! Component: 200 - total flux cleaned = 0.0020921 Jy ! Total flux subtracted in 200 components = 0.0020921 Jy ! Clean residual min=-0.005717 max=0.005458 Jy/beam ! Clean residual mean=0.000074 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 3.21939 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 37 components and 3.21939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245777Jy sigma=0.001327 ! Fit after self-cal, rms=0.245730Jy sigma=0.001327 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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 = 0.000173086 Jy ! Component: 100 - total flux cleaned = 0.00048769 Jy ! Component: 150 - total flux cleaned = 0.000625537 Jy ! Component: 200 - total flux cleaned = 0.000621728 Jy ! Total flux subtracted in 200 components = 0.000621728 Jy ! Clean residual min=-0.005629 max=0.005436 Jy/beam ! Clean residual mean=0.000067 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 3.22001 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 37 components and 3.22001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245398Jy sigma=0.001326 ! Fit after self-cal, rms=0.245359Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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=0.245359Jy sigma=0.001325 ! Fit after self-cal, rms=0.245697Jy sigma=0.001325 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=2.34 mas, bmaj=2.695 mas, bpa=-76 degrees ! Estimated noise=861.334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00137375 Jy ! Component: 100 - total flux cleaned = 0.00137075 Jy ! Component: 150 - total flux cleaned = 0.00147091 Jy ! Component: 200 - total flux cleaned = 0.00151497 Jy ! Total flux subtracted in 200 components = 0.00151497 Jy ! Clean residual min=-0.003938 max=0.005833 Jy/beam ! Clean residual mean=0.000211 rms=0.001462 Jy/beam ! Combined flux in latest and established models = 3.22152 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 3.22152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245701Jy sigma=0.001325 ! Fit after self-cal, rms=0.245660Jy sigma=0.001325 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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 = 0.000189251 Jy ! Component: 100 - total flux cleaned = 0.000243952 Jy ! Component: 150 - total flux cleaned = 0.000245483 Jy ! Component: 200 - total flux cleaned = 0.000204047 Jy ! Total flux subtracted in 200 components = 0.000204047 Jy ! Clean residual min=-0.003941 max=0.005828 Jy/beam ! Clean residual mean=0.000206 rms=0.001462 Jy/beam ! Combined flux in latest and established models = 3.22173 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 3.22173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245651Jy sigma=0.001325 ! Fit after self-cal, rms=0.245623Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8461 mas, bmaj=1.066 mas, bpa=12.7 degrees ! Estimated noise=694.054 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8461 x 1.066 at 12.7 degrees (North through East) ! Clean map min=-0.004475 max=2.7778 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=0.245623Jy sigma=0.001325 ! Fit after self-cal, rms=0.225740Jy sigma=0.001173 ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.8465 mas, bmaj=1.066 mas, bpa=12.75 degrees ! Estimated noise=693.946 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132274 Jy ! Component: 100 - total flux cleaned = 0.00165165 Jy ! Component: 150 - total flux cleaned = 0.00178979 Jy ! Component: 200 - total flux cleaned = 0.001918 Jy ! Total flux subtracted in 200 components = 0.001918 Jy ! Clean residual min=-0.004746 max=0.005401 Jy/beam ! Clean residual mean=0.000121 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 3.22364 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 3.22364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225395Jy sigma=0.001172 ! Fit after self-cal, rms=0.225376Jy sigma=0.001172 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Added new window around map position (18.4, -10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319983 Jy ! Component: 100 - total flux cleaned = 0.00409998 Jy ! Component: 150 - total flux cleaned = 0.00450112 Jy ! Component: 200 - total flux cleaned = 0.00475298 Jy ! Total flux subtracted in 200 components = 0.00475298 Jy ! Clean residual min=-0.004935 max=0.005025 Jy/beam ! Clean residual mean=0.000077 rms=0.001144 Jy/beam ! Combined flux in latest and established models = 3.2284 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 3.2284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225093Jy sigma=0.001171 ! Fit after self-cal, rms=0.225076Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Added new window around map position (-4.8, 5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329877 Jy ! Component: 100 - total flux cleaned = 0.00400391 Jy ! Component: 150 - total flux cleaned = 0.00450088 Jy ! Component: 200 - total flux cleaned = 0.00473022 Jy ! Total flux subtracted in 200 components = 0.00473022 Jy ! Clean residual min=-0.004778 max=0.004605 Jy/beam ! Clean residual mean=0.000034 rms=0.001092 Jy/beam ! Combined flux in latest and established models = 3.23313 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 67 components and 3.23313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224838Jy sigma=0.001169 ! Fit after self-cal, rms=0.224828Jy sigma=0.001169 ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224828Jy sigma=0.001169 ! Fit after self-cal, rms=0.225168Jy sigma=0.001169 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 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.5753 mas, bmaj=0.8142 mas, bpa=11.48 degrees ! Estimated noise=1220.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.96888 Jy ! Component: 100 - total flux cleaned = 2.57853 Jy ! Component: 150 - total flux cleaned = 2.87262 Jy ! Component: 200 - total flux cleaned = 3.02153 Jy ! Total flux subtracted in 200 components = 3.02153 Jy ! Clean residual min=-0.014720 max=0.069405 Jy/beam ! Clean residual mean=0.000023 rms=0.004438 Jy/beam ! Combined flux in latest and established models = 3.02153 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 9 model components to the UV plane model. ! The established model now contains 9 components and 3.02153 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.847 mas, bmaj=1.066 mas, bpa=12.7 degrees ! Estimated noise=694.298 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 = 0.110727 Jy ! Component: 100 - total flux cleaned = 0.157033 Jy ! Component: 150 - total flux cleaned = 0.180523 Jy ! Component: 200 - total flux cleaned = 0.193156 Jy ! Total flux subtracted in 200 components = 0.193156 Jy ! Clean residual min=-0.005355 max=0.007240 Jy/beam ! Clean residual mean=0.000264 rms=0.001374 Jy/beam ! Combined flux in latest and established models = 3.21469 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 27 components and 3.21469 Jy ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Added new window around map position (-0.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00568428 Jy ! Component: 100 - total flux cleaned = 0.00917411 Jy ! Component: 150 - total flux cleaned = 0.0119831 Jy ! Component: 200 - total flux cleaned = 0.014031 Jy ! Total flux subtracted in 200 components = 0.014031 Jy ! Clean residual min=-0.004483 max=0.005022 Jy/beam ! Clean residual mean=0.000124 rms=0.001184 Jy/beam ! Combined flux in latest and established models = 3.22872 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 3.22872 Jy ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 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 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=2.34 mas, bmaj=2.693 mas, bpa=-76 degrees ! Estimated noise=861.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00425654 Jy ! Component: 100 - total flux cleaned = 0.00626439 Jy ! Component: 150 - total flux cleaned = 0.00687091 Jy ! Component: 200 - total flux cleaned = 0.0071683 Jy ! Total flux subtracted in 200 components = 0.0071683 Jy ! Clean residual min=-0.003689 max=0.005465 Jy/beam ! Clean residual mean=0.000131 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 3.23589 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) ! Added new window around map position (-14.4, -23.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00435232 Jy ! Component: 100 - total flux cleaned = 0.00537568 Jy ! Component: 150 - total flux cleaned = 0.00571339 Jy ! Component: 200 - total flux cleaned = 0.005961 Jy ! Total flux subtracted in 200 components = 0.005961 Jy ! Clean residual min=-0.003459 max=0.003432 Jy/beam ! Clean residual mean=0.000034 rms=0.001062 Jy/beam ! Combined flux in latest and established models = 3.24185 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 95 components and 3.24185 Jy ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! Estimated beam: bmin=0.847 mas, bmaj=1.066 mas, bpa=12.7 degrees ! Estimated noise=694.298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000137162 Jy ! Component: 100 - total flux cleaned = 0.000844766 Jy ! Component: 150 - total flux cleaned = 0.00150731 Jy ! Component: 200 - total flux cleaned = 0.00182184 Jy ! Total flux subtracted in 200 components = 0.00182184 Jy ! Clean residual min=-0.004286 max=0.004448 Jy/beam ! Clean residual mean=-0.000003 rms=0.001045 Jy/beam ! Combined flux in latest and established models = 3.24367 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 106 components and 3.24367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223886Jy sigma=0.001167 ! Fit after self-cal, rms=0.223851Jy sigma=0.001166 wmodel J0646+4451_X_2008_04_02_pus_map.mod ! Writing 106 model components to file: J0646+4451_X_2008_04_02_pus_map.mod wobs J0646+4451_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0646+4451_X_2008_04_02_pus_uvs.fits wwins J0646+4451_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J0646+4451_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 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000314381 Jy ! Component: 100 - total flux cleaned = 0.000907574 Jy ! Component: 150 - total flux cleaned = 0.0015484 Jy ! Component: 200 - total flux cleaned = 0.0017573 Jy ! Component: 250 - total flux cleaned = 0.00202964 Jy ! Component: 300 - total flux cleaned = 0.00222919 Jy ! Component: 350 - total flux cleaned = 0.00222852 Jy ! Component: 400 - total flux cleaned = 0.00222777 Jy ! Component: 450 - total flux cleaned = 0.00222837 Jy ! Component: 500 - total flux cleaned = 0.00235383 Jy ! Component: 550 - total flux cleaned = 0.00222935 Jy ! Component: 600 - total flux cleaned = 0.00222998 Jy ! Component: 650 - total flux cleaned = 0.00216954 Jy ! Component: 700 - total flux cleaned = 0.00228997 Jy ! Component: 750 - total flux cleaned = 0.00228974 Jy ! Component: 800 - total flux cleaned = 0.00246683 Jy ! Component: 850 - total flux cleaned = 0.00234928 Jy ! Component: 900 - total flux cleaned = 0.00246599 Jy ! Component: 950 - total flux cleaned = 0.00240832 Jy ! Component: 1000 - total flux cleaned = 0.00252273 Jy ! Component: 1050 - total flux cleaned = 0.00252281 Jy ! Component: 1100 - total flux cleaned = 0.00257937 Jy ! Component: 1150 - total flux cleaned = 0.0025795 Jy ! Component: 1200 - total flux cleaned = 0.00263484 Jy ! Component: 1250 - total flux cleaned = 0.00274497 Jy ! Component: 1300 - total flux cleaned = 0.0027449 Jy ! Component: 1350 - total flux cleaned = 0.00274506 Jy ! Component: 1400 - total flux cleaned = 0.00274527 Jy ! Component: 1450 - total flux cleaned = 0.00285302 Jy ! Component: 1500 - total flux cleaned = 0.00285293 Jy ! Component: 1550 - total flux cleaned = 0.00280002 Jy ! Component: 1600 - total flux cleaned = 0.00285285 Jy ! Component: 1650 - total flux cleaned = 0.00295788 Jy ! Component: 1700 - total flux cleaned = 0.00290575 Jy ! Component: 1750 - total flux cleaned = 0.00290553 Jy ! Component: 1800 - total flux cleaned = 0.00290558 Jy ! Component: 1850 - total flux cleaned = 0.00295692 Jy ! Component: 1900 - total flux cleaned = 0.00285503 Jy ! Component: 1950 - total flux cleaned = 0.0030073 Jy ! Component: 2000 - total flux cleaned = 0.00285579 Jy ! Total flux subtracted in 2048 components = 0.00290623 Jy ! Clean residual min=-0.003687 max=0.003231 Jy/beam ! Clean residual mean=-0.000042 rms=0.000864 Jy/beam ! Combined flux in latest and established models = 3.24658 Jy keep ! Adding 147 model components to the UV plane model. ! The established model now contains 246 components and 3.24658 Jy wmap "J0646+4451_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.847 x 1.066 at 12.7 degrees (North through East) ! Clean map min=-0.0036877 max=2.7791 Jy/beam ! Writing clean map to FITS file: J0646+4451_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 2.77906 invert ! Inverting map ! Your choice of large map pixels excluded 4.63% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! The y-axis pixel size should ideally be below 0.1442 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000863258 device "J0646+4451_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0646+4451_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.093189 0.093189 0.186378 0.372756 0.745512 1.49102 2.98205 5.96409 11.9282 23.8564 47.7127 95.4255 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.779 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.847 x 1.066 at 12.7 degrees (North through East) ! Clean map min=-0.0036877 max=2.7791 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0646+4451_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0646+4451_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0646+4451_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:46:40 2010