! Started logfile: J0646+4451_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:17:55 2010 obs J0646+4451_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0646+4451_X_2007_12_05_pus_uva.fits ! AN table 1: 20 integrations on 136 of 136 possible baselines. ! AN table 2: 44 integrations on 136 of 136 possible baselines. ! AN table 3: 67 integrations on 136 of 136 possible baselines. ! AN table 4: 136 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.083471 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 1501 lines of history. ! ! Reading 12124 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 224 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! A total of 778 telescope corrections were flagged in sub-array 3. ! A total of 1674 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 224 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! A total of 778 telescope corrections were flagged in sub-array 3. ! A total of 1674 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 224 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! A total of 778 telescope corrections were flagged in sub-array 3. ! A total of 1674 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 224 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! A total of 787 telescope corrections were flagged in sub-array 3. ! A total of 1674 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=2.111536Jy sigma=0.020255 ! Fit after self-cal, rms=1.804716Jy sigma=0.017419 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=0.6551 mas, bmaj=1.065 mas, bpa=36.75 degrees ! Estimated noise=1361.06 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 = 1.95633 Jy ! Component: 100 - total flux cleaned = 2.52929 Jy ! Total flux subtracted in 100 components = 2.52929 Jy ! Clean residual min=-0.063457 max=0.235931 Jy/beam ! Clean residual mean=-0.000557 rms=0.020336 Jy/beam ! Combined flux in latest and established models = 2.52929 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 2.52929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.504698Jy sigma=0.005055 ! Fit after self-cal, rms=0.504183Jy sigma=0.005052 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.240275 Jy ! Component: 100 - total flux cleaned = 0.349649 Jy ! Total flux subtracted in 100 components = 0.349649 Jy ! Clean residual min=-0.049446 max=0.062966 Jy/beam ! Clean residual mean=-0.001530 rms=0.012531 Jy/beam ! Combined flux in latest and established models = 2.87894 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 16 components and 2.87894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.343494Jy sigma=0.003369 ! Fit after self-cal, rms=0.342979Jy sigma=0.003366 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.035 mas, bmaj=1.522 mas, bpa=28.52 degrees ! Estimated noise=719.839 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 = 0.0823964 Jy ! Component: 100 - total flux cleaned = 0.114964 Jy ! Component: 150 - total flux cleaned = 0.128682 Jy ! Component: 200 - total flux cleaned = 0.129981 Jy ! Total flux subtracted in 200 components = 0.129982 Jy ! Clean residual min=-0.060532 max=0.029131 Jy/beam ! Clean residual mean=-0.021376 rms=0.011248 Jy/beam ! Combined flux in latest and established models = 3.00893 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 3.00893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329205Jy sigma=0.003199 ! Fit after self-cal, rms=0.329155Jy sigma=0.003199 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1862 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 0.92 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.02 LA 1.03 MK 1.00* ! NL 1.09 NY 1.00* ON 1.00* OV 0.98 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 0.97 HH 1.00* HN 1.15 ! KB 1.11 KP 1.04 LA 1.00 MK 1.00* ! NL 1.05 NY 0.90 ON 0.98 OV 0.94 ! PT 0.98 SV 0.94 TS 1.14 WZ 1.00* ! ZC 1.00 ! ! A total of 48 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.91 FD 0.97 HH 1.00* HN 1.15 ! KB 3.40 KP 0.98 LA 0.97 MK 1.00* ! NL 1.02 NY 0.88 ON 1.07 OV 0.95 ! PT 0.97 SV 1.06 TS 1.09 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 0.98 LA 1.01 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 0.95 ! PT 1.07 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 27 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 1.15 ! KB 1.12 KP 0.99 LA 0.98 MK 1.00* ! NL 1.03 NY 0.92 ON 0.98 OV 0.93 ! PT 1.03 SV 0.88 TS 1.16 WZ 1.00* ! ZC 1.05 ! ! A total of 48 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 0.97 HH 1.00* HN 1.15 ! KB 2.66 KP 0.94 LA 0.95 MK 1.00* ! NL 0.99 NY 0.90 ON 1.06 OV 0.93 ! PT 1.02 SV 1.00 TS 1.10 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.01 LA 1.05 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 1.01 ! PT 1.08 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.99 HH 1.00* HN 1.19 ! KB 1.12 KP 1.03 LA 1.02 MK 1.00* ! NL 1.04 NY 0.93 ON 0.95 OV 0.97 ! PT 1.04 SV 0.90 TS 1.17 WZ 1.00* ! ZC 1.02 ! ! A total of 48 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 0.97 HH 1.00* HN 1.16 ! KB 0.99 KP 0.98 LA 0.98 MK 1.00* ! NL 1.01 NY 0.93 ON 1.03 OV 0.98 ! PT 1.03 SV 0.99 TS 1.00 WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.01 LA 1.03 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 0.99 ! PT 1.07 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 27 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 1.20 ! KB 1.12 KP 1.02 LA 1.01 MK 1.00* ! NL 1.05 NY 0.91 ON 0.97 OV 0.97 ! PT 1.03 SV 0.87 TS 1.19 WZ 1.00* ! ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 0.98 HH 1.00* HN 1.16 ! KB 0.98 KP 0.98 LA 0.97 MK 1.00* ! NL 1.01 NY 0.91 ON 1.06 OV 0.97 ! PT 1.02 SV 1.01 TS 1.02 WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.329155Jy sigma=0.003199 ! Fit after self-cal, rms=0.210798Jy sigma=0.001701 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.048 mas, bmaj=1.572 mas, bpa=32.03 degrees ! Estimated noise=730.257 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 = -0.0141612 Jy ! Component: 100 - total flux cleaned = -0.0150099 Jy ! Component: 150 - total flux cleaned = -0.015793 Jy ! Component: 200 - total flux cleaned = -0.0165005 Jy ! Total flux subtracted in 200 components = -0.0165005 Jy ! Clean residual min=-0.020769 max=0.014460 Jy/beam ! Clean residual mean=-0.002285 rms=0.004672 Jy/beam ! Combined flux in latest and established models = 2.99242 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 2.99242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208805Jy sigma=0.001687 ! Fit after self-cal, rms=0.208903Jy sigma=0.001687 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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=0.208903Jy sigma=0.001687 ! Fit after self-cal, rms=0.171933Jy sigma=0.001238 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.046 mas, bmaj=1.572 mas, bpa=31.67 degrees ! Estimated noise=728.499 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00680601 Jy ! Component: 100 - total flux cleaned = -0.00745279 Jy ! Component: 150 - total flux cleaned = -0.0078297 Jy ! Component: 200 - total flux cleaned = -0.00817076 Jy ! Total flux subtracted in 200 components = -0.00817076 Jy ! Clean residual min=-0.006435 max=0.004885 Jy/beam ! Clean residual mean=-0.000728 rms=0.001341 Jy/beam ! Combined flux in latest and established models = 2.98425 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 2.98425 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171265Jy sigma=0.001232 ! Fit after self-cal, rms=0.171310Jy sigma=0.001232 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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 = -0.000178541 Jy ! Component: 100 - total flux cleaned = -0.000324951 Jy ! Component: 150 - total flux cleaned = -0.000463078 Jy ! Component: 200 - total flux cleaned = -0.000585878 Jy ! Total flux subtracted in 200 components = -0.000585878 Jy ! Clean residual min=-0.006152 max=0.004925 Jy/beam ! Clean residual mean=-0.000714 rms=0.001317 Jy/beam ! Combined flux in latest and established models = 2.98367 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 2.98367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171102Jy sigma=0.001229 ! Fit after self-cal, rms=0.171097Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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=0.171097Jy sigma=0.001229 ! Fit after self-cal, rms=0.170038Jy sigma=0.001215 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.048 mas, bmaj=1.573 mas, bpa=31.78 degrees ! Estimated noise=728.583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00221531 Jy ! Component: 100 - total flux cleaned = -0.00236478 Jy ! Component: 150 - total flux cleaned = -0.00263484 Jy ! Component: 200 - total flux cleaned = -0.00287419 Jy ! Total flux subtracted in 200 components = -0.00287419 Jy ! Clean residual min=-0.004587 max=0.004260 Jy/beam ! Clean residual mean=-0.000306 rms=0.000997 Jy/beam ! Combined flux in latest and established models = 2.98079 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 2.98079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169818Jy sigma=0.001213 ! Fit after self-cal, rms=0.169817Jy sigma=0.001213 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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 (2, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262664 Jy ! Component: 100 - total flux cleaned = 0.00276145 Jy ! Component: 150 - total flux cleaned = 0.00276261 Jy ! Component: 200 - total flux cleaned = 0.00265637 Jy ! Total flux subtracted in 200 components = 0.00265637 Jy ! Clean residual min=-0.004238 max=0.003031 Jy/beam ! Clean residual mean=-0.000371 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 2.98345 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 2.98345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169605Jy sigma=0.001211 ! Fit after self-cal, rms=0.169584Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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=0.169584Jy sigma=0.001210 ! Fit after self-cal, rms=0.169612Jy sigma=0.001210 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=2.971 mas, bmaj=3.89 mas, bpa=-75.2 degrees ! Estimated noise=799.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.83617e-06 Jy ! Component: 100 - total flux cleaned = -9.32936e-05 Jy ! Component: 150 - total flux cleaned = -0.000238576 Jy ! Component: 200 - total flux cleaned = -0.000362063 Jy ! Total flux subtracted in 200 components = -0.000362063 Jy ! Clean residual min=-0.003241 max=0.002414 Jy/beam ! Clean residual mean=-0.000397 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 2.98309 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 2.98309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169563Jy sigma=0.001209 ! Fit after self-cal, rms=0.169556Jy sigma=0.001209 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 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 = 5.61868e-05 Jy ! Component: 100 - total flux cleaned = 8.54893e-05 Jy ! Component: 150 - total flux cleaned = 3.64611e-05 Jy ! Component: 200 - total flux cleaned = 3.70566e-05 Jy ! Total flux subtracted in 200 components = 3.70566e-05 Jy ! Clean residual min=-0.003251 max=0.002502 Jy/beam ! Clean residual mean=-0.000398 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 2.98313 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 65 components and 2.98313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169535Jy sigma=0.001209 ! Fit after self-cal, rms=0.169531Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.049 mas, bmaj=1.574 mas, bpa=31.84 degrees ! Estimated noise=728.531 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.049 x 1.574 at 31.84 degrees (North through East) ! Clean map min=-0.0036007 max=2.6934 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=0.169531Jy sigma=0.001209 ! Fit after self-cal, rms=0.153083Jy sigma=0.001053 ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.048 mas, bmaj=1.574 mas, bpa=31.87 degrees ! Estimated noise=728.141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00090715 Jy ! Component: 100 - total flux cleaned = -0.00112541 Jy ! Component: 150 - total flux cleaned = -0.00112625 Jy ! Component: 200 - total flux cleaned = -0.00121344 Jy ! Total flux subtracted in 200 components = -0.00121344 Jy ! Clean residual min=-0.003767 max=0.003141 Jy/beam ! Clean residual mean=-0.000233 rms=0.000833 Jy/beam ! Combined flux in latest and established models = 2.98191 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 66 components and 2.98191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152940Jy sigma=0.001052 ! Fit after self-cal, rms=0.152933Jy sigma=0.001052 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000272901 Jy ! Component: 100 - total flux cleaned = 0.000109269 Jy ! Component: 150 - total flux cleaned = 0.000112584 Jy ! Component: 200 - total flux cleaned = 4.67807e-05 Jy ! Total flux subtracted in 200 components = 4.67807e-05 Jy ! Clean residual min=-0.003608 max=0.003012 Jy/beam ! Clean residual mean=-0.000234 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 2.98196 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 67 components and 2.98196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152848Jy sigma=0.001051 ! Fit after self-cal, rms=0.152847Jy sigma=0.001051 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152847Jy sigma=0.001051 ! Fit after self-cal, rms=0.152845Jy sigma=0.001051 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=0.6515 mas, bmaj=1.106 mas, bpa=39.8 degrees ! Estimated noise=1398.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.96267 Jy ! Component: 100 - total flux cleaned = 2.52826 Jy ! Component: 150 - total flux cleaned = 2.76367 Jy ! Component: 200 - total flux cleaned = 2.86627 Jy ! Total flux subtracted in 200 components = 2.86627 Jy ! Clean residual min=-0.011498 max=0.044471 Jy/beam ! Clean residual mean=0.000237 rms=0.003735 Jy/beam ! Combined flux in latest and established models = 2.86627 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 12 model components to the UV plane model. ! The established model now contains 12 components and 2.86627 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.048 mas, bmaj=1.574 mas, bpa=31.93 degrees ! Estimated noise=728.044 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 = 0.0682086 Jy ! Component: 100 - total flux cleaned = 0.0925239 Jy ! Component: 150 - total flux cleaned = 0.103082 Jy ! Component: 200 - total flux cleaned = 0.108815 Jy ! Total flux subtracted in 200 components = 0.108815 Jy ! Clean residual min=-0.004079 max=0.005213 Jy/beam ! Clean residual mean=-0.000022 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 2.97509 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 37 components and 2.97509 Jy ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Added new window around map position (-1.2, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00468673 Jy ! Component: 100 - total flux cleaned = 0.00609422 Jy ! Component: 150 - total flux cleaned = 0.00643717 Jy ! Component: 200 - total flux cleaned = 0.0065131 Jy ! Total flux subtracted in 200 components = 0.0065131 Jy ! Clean residual min=-0.003885 max=0.003334 Jy/beam ! Clean residual mean=-0.000182 rms=0.000791 Jy/beam ! Combined flux in latest and established models = 2.9816 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 2.9816 Jy ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=2.971 mas, bmaj=3.89 mas, bpa=-75.18 degrees ! Estimated noise=798.649 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000324515 Jy ! Component: 100 - total flux cleaned = 0.000417255 Jy ! Component: 150 - total flux cleaned = 0.000466048 Jy ! Component: 200 - total flux cleaned = 0.000486873 Jy ! Total flux subtracted in 200 components = 0.000486873 Jy ! Clean residual min=-0.002736 max=0.002917 Jy/beam ! Clean residual mean=-0.000305 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 2.98209 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 = 1.93691e-05 Jy ! Component: 100 - total flux cleaned = 6.75096e-05 Jy ! Component: 150 - total flux cleaned = 0.000110123 Jy ! Component: 200 - total flux cleaned = 0.00012238 Jy ! Total flux subtracted in 200 components = 0.00012238 Jy ! Clean residual min=-0.002670 max=0.002921 Jy/beam ! Clean residual mean=-0.000310 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 2.98221 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 2.98221 Jy ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! Estimated beam: bmin=1.048 mas, bmaj=1.574 mas, bpa=31.93 degrees ! Estimated noise=728.044 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00046456 Jy ! Component: 100 - total flux cleaned = -0.00046371 Jy ! Component: 150 - total flux cleaned = -0.00040593 Jy ! Component: 200 - total flux cleaned = -0.000406856 Jy ! Total flux subtracted in 200 components = -0.000406856 Jy ! Clean residual min=-0.003669 max=0.003304 Jy/beam ! Clean residual mean=-0.000187 rms=0.000780 Jy/beam ! Combined flux in latest and established models = 2.98181 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 70 components and 2.98181 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152963Jy sigma=0.001050 ! Fit after self-cal, rms=0.152925Jy sigma=0.001050 wmodel J0646+4451_X_2007_12_05_pus_map.mod ! Writing 70 model components to file: J0646+4451_X_2007_12_05_pus_map.mod wobs J0646+4451_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0646+4451_X_2007_12_05_pus_uvs.fits wwins J0646+4451_X_2007_12_05_pus_map.win ! wwins: Wrote 3 windows to J0646+4451_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000790942 Jy ! Component: 100 - total flux cleaned = -0.00116035 Jy ! Component: 150 - total flux cleaned = -0.00160377 Jy ! Component: 200 - total flux cleaned = -0.00207424 Jy ! Component: 250 - total flux cleaned = -0.00257637 Jy ! Component: 300 - total flux cleaned = -0.00302065 Jy ! Component: 350 - total flux cleaned = -0.00332529 Jy ! Component: 400 - total flux cleaned = -0.00375081 Jy ! Component: 450 - total flux cleaned = -0.00404213 Jy ! Component: 500 - total flux cleaned = -0.00436882 Jy ! Component: 550 - total flux cleaned = -0.00465006 Jy ! Component: 600 - total flux cleaned = -0.00488731 Jy ! Component: 650 - total flux cleaned = -0.00512122 Jy ! Component: 700 - total flux cleaned = -0.00535163 Jy ! Component: 750 - total flux cleaned = -0.00557904 Jy ! Component: 800 - total flux cleaned = -0.00569127 Jy ! Component: 850 - total flux cleaned = -0.00591316 Jy ! Component: 900 - total flux cleaned = -0.00609586 Jy ! Component: 950 - total flux cleaned = -0.00620423 Jy ! Component: 1000 - total flux cleaned = -0.00634729 Jy ! Component: 1050 - total flux cleaned = -0.00652463 Jy ! Component: 1100 - total flux cleaned = -0.00669973 Jy ! Component: 1150 - total flux cleaned = -0.00676897 Jy ! Component: 1200 - total flux cleaned = -0.0069067 Jy ! Component: 1250 - total flux cleaned = -0.00704277 Jy ! Component: 1300 - total flux cleaned = -0.00714405 Jy ! Component: 1350 - total flux cleaned = -0.0072443 Jy ! Component: 1400 - total flux cleaned = -0.00734346 Jy ! Component: 1450 - total flux cleaned = -0.00744205 Jy ! Component: 1500 - total flux cleaned = -0.00750733 Jy ! Component: 1550 - total flux cleaned = -0.00760421 Jy ! Component: 1600 - total flux cleaned = -0.00766815 Jy ! Component: 1650 - total flux cleaned = -0.00770033 Jy ! Component: 1700 - total flux cleaned = -0.00773209 Jy ! Component: 1750 - total flux cleaned = -0.00773248 Jy ! Component: 1800 - total flux cleaned = -0.00782646 Jy ! Component: 1850 - total flux cleaned = -0.00791948 Jy ! Component: 1900 - total flux cleaned = -0.00788882 Jy ! Component: 1950 - total flux cleaned = -0.00798073 Jy ! Component: 2000 - total flux cleaned = -0.00804151 Jy ! Total flux subtracted in 2048 components = -0.00810193 Jy ! Clean residual min=-0.001800 max=0.001780 Jy/beam ! Clean residual mean=-0.000020 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 2.9737 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 216 components and 2.97371 Jy wmap "J0646+4451_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.048 x 1.574 at 31.93 degrees (North through East) ! Clean map min=-0.0024575 max=2.6972 Jy/beam ! Writing clean map to FITS file: J0646+4451_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.69722 invert ! Inverting map ! Your choice of large map pixels excluded 1.47% of the data. ! The x-axis pixel size should ideally be below 0.1862 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000546142 device "J0646+4451_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0646+4451_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.060745 0.060745 0.12149 0.24298 0.48596 0.971921 1.94384 3.88768 7.77537 15.5507 31.1015 62.2029 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.697 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.048 x 1.574 at 31.93 degrees (North through East) ! Clean map min=-0.0024575 max=2.6972 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0646+4451_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0646+4451_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0646+4451_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:18:00 2010