! Started logfile: J2000-1748_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:53:26 2010 obs J2000-1748_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2000-1748_X_2008_04_02_pus_uva.fits ! AN table 1: 39 integrations on 120 of 120 possible baselines. ! AN table 2: 57 integrations on 120 of 120 possible baselines. ! AN table 3: 19 integrations on 120 of 120 possible baselines. ! AN table 4: 63 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.138577 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2000-1748 ! ! 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 11840 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 533 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 253 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 544 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 292 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 525 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 263 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 539 telescope corrections were flagged in sub-array 1. ! A total of 498 telescope corrections were flagged in sub-array 2. ! A total of 259 telescope corrections were flagged in sub-array 3. ! A total of 673 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.224376Jy sigma=0.010673 ! Fit after self-cal, rms=0.836160Jy sigma=0.007402 ! 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 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.692 mas, bmaj=1.324 mas, bpa=-10.78 degrees ! Estimated noise=1415.22 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 = 1.36762 Jy ! Component: 100 - total flux cleaned = 1.67514 Jy ! Total flux subtracted in 100 components = 1.67514 Jy ! Clean residual min=-0.027605 max=0.109174 Jy/beam ! Clean residual mean=-0.000199 rms=0.009698 Jy/beam ! Combined flux in latest and established models = 1.67514 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.67514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279194Jy sigma=0.002386 ! Fit after self-cal, rms=0.279168Jy sigma=0.002386 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119297 Jy ! Component: 100 - total flux cleaned = 0.182986 Jy ! Total flux subtracted in 100 components = 0.182986 Jy ! Clean residual min=-0.021559 max=0.034419 Jy/beam ! Clean residual mean=-0.000017 rms=0.005659 Jy/beam ! Combined flux in latest and established models = 1.85813 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 20 components and 1.85813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211370Jy sigma=0.001651 ! Fit after self-cal, rms=0.211379Jy sigma=0.001651 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (0, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0375938 Jy ! Component: 100 - total flux cleaned = 0.0596503 Jy ! Total flux subtracted in 100 components = 0.0596503 Jy ! Clean residual min=-0.021183 max=0.024811 Jy/beam ! Clean residual mean=0.000041 rms=0.005085 Jy/beam ! Combined flux in latest and established models = 1.91778 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 1.91778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202980Jy sigma=0.001540 ! Fit after self-cal, rms=0.202974Jy sigma=0.001540 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8255 mas, bmaj=2.004 mas, bpa=-7.665 degrees ! Estimated noise=796.681 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 = 0.0236315 Jy ! Component: 100 - total flux cleaned = 0.0356071 Jy ! Component: 150 - total flux cleaned = 0.041902 Jy ! Component: 200 - total flux cleaned = 0.043048 Jy ! Total flux subtracted in 200 components = 0.043048 Jy ! Clean residual min=-0.014592 max=0.019112 Jy/beam ! Clean residual mean=0.000029 rms=0.004383 Jy/beam ! Combined flux in latest and established models = 1.96083 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 39 components and 1.96083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201361Jy sigma=0.001508 ! Fit after self-cal, rms=0.201309Jy sigma=0.001507 ! Inverting map ! Your choice of large map pixels excluded 0.381% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.93 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.11 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 0.97 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HH 1.00* HN 0.98 ! KK 1.01 KP 1.01 LA 1.01 MK 0.99 ! NL 1.03 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 0.94 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.87 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 1.15 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.04 FD 0.96 HH 1.00* HN 1.01 ! KK 1.00* KP 0.99 LA 1.01 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.05 ! PT 0.99 SC 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.88 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.04 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.51 ZC 1.41 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 HH 1.00* HN 0.98 ! KK 1.00 KP 0.96 LA 0.99 MK 0.99 ! NL 1.01 NY 1.00* ON 1.00* OV 0.99 ! PT 0.99 SC 0.96 WZ 1.00* ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.06 FD 0.94 HH 1.00* HN 1.00 ! KK 1.00* KP 0.94 LA 0.99 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 0.97 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.02 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.13 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.06 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HH 1.00* HN 0.98 ! KK 1.08 KP 0.99 LA 1.04 MK 1.01 ! NL 1.01 NY 1.00* ON 1.00* OV 1.02 ! PT 0.99 SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.86 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 1.11 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.10 FD 0.97 HH 1.00* HN 1.01 ! KK 1.00* KP 0.98 LA 1.03 MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 1.06 ! PT 0.99 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.08 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.99 ZC 0.95 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 HH 1.00* HN 0.98 ! KK 1.04 KP 0.99 LA 1.01 MK 1.02 ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 1.25 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.97 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.08 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.95 ZC 1.17 ! ! A total of 27 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.06 FD 0.96 HH 1.00* HN 1.01 ! KK 1.00* KP 0.96 LA 1.02 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 1.05 ! PT 0.98 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.201309Jy sigma=0.001507 ! Fit after self-cal, rms=0.172468Jy sigma=0.001288 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8457 mas, bmaj=2.107 mas, bpa=-7.205 degrees ! Estimated noise=799.108 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 = -0.00225859 Jy ! Component: 100 - total flux cleaned = -0.00313623 Jy ! Component: 150 - total flux cleaned = -0.00338508 Jy ! Component: 200 - total flux cleaned = -0.00360879 Jy ! Total flux subtracted in 200 components = -0.00360879 Jy ! Clean residual min=-0.008846 max=0.008543 Jy/beam ! Clean residual mean=0.000018 rms=0.002146 Jy/beam ! Combined flux in latest and established models = 1.95722 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.95722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172231Jy sigma=0.001286 ! Fit after self-cal, rms=0.172274Jy sigma=0.001286 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.172274Jy sigma=0.001286 ! Fit after self-cal, rms=0.168872Jy sigma=0.001270 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8464 mas, bmaj=2.107 mas, bpa=-7.214 degrees ! Estimated noise=799.166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00113136 Jy ! Component: 100 - total flux cleaned = -0.00134907 Jy ! Component: 150 - total flux cleaned = -0.00153719 Jy ! Component: 200 - total flux cleaned = -0.00162295 Jy ! Total flux subtracted in 200 components = -0.00162295 Jy ! Clean residual min=-0.008371 max=0.007746 Jy/beam ! Clean residual mean=0.000025 rms=0.002017 Jy/beam ! Combined flux in latest and established models = 1.9556 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 52 components and 1.9556 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168735Jy sigma=0.001269 ! Fit after self-cal, rms=0.168721Jy sigma=0.001269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 = 0.000329932 Jy ! Component: 100 - total flux cleaned = 0.000245621 Jy ! Component: 150 - total flux cleaned = 0.000167675 Jy ! Component: 200 - total flux cleaned = 9.58114e-05 Jy ! Total flux subtracted in 200 components = 9.58114e-05 Jy ! Clean residual min=-0.008298 max=0.007550 Jy/beam ! Clean residual mean=0.000025 rms=0.002002 Jy/beam ! Combined flux in latest and established models = 1.95569 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 1.95569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168629Jy sigma=0.001268 ! Fit after self-cal, rms=0.168624Jy sigma=0.001268 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.168624Jy sigma=0.001268 ! Fit after self-cal, rms=0.161761Jy sigma=0.001208 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8472 mas, bmaj=2.109 mas, bpa=-7.247 degrees ! Estimated noise=799.608 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000671606 Jy ! Component: 100 - total flux cleaned = -0.000670106 Jy ! Component: 150 - total flux cleaned = -0.000667036 Jy ! Component: 200 - total flux cleaned = -0.000742291 Jy ! Total flux subtracted in 200 components = -0.000742291 Jy ! Clean residual min=-0.004327 max=0.004865 Jy/beam ! Clean residual mean=0.000006 rms=0.001070 Jy/beam ! Combined flux in latest and established models = 1.95495 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 56 components and 1.95495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161652Jy sigma=0.001207 ! Fit after self-cal, rms=0.161658Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 (-2.2, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00428827 Jy ! Component: 100 - total flux cleaned = 0.00466084 Jy ! Component: 150 - total flux cleaned = 0.004775 Jy ! Component: 200 - total flux cleaned = 0.00477662 Jy ! Total flux subtracted in 200 components = 0.00477662 Jy ! Clean residual min=-0.003906 max=0.004066 Jy/beam ! Clean residual mean=0.000014 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 1.95973 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 72 components and 1.95972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161419Jy sigma=0.001206 ! Fit after self-cal, rms=0.161403Jy sigma=0.001206 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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=0.161403Jy sigma=0.001206 ! Fit after self-cal, rms=0.161437Jy sigma=0.001206 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.344 mas, bmaj=4.273 mas, bpa=-3.728 degrees ! Estimated noise=1010.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000721758 Jy ! Component: 100 - total flux cleaned = 0.00109983 Jy ! Component: 150 - total flux cleaned = 0.00127774 Jy ! Component: 200 - total flux cleaned = 0.00131309 Jy ! Total flux subtracted in 200 components = 0.00131309 Jy ! Clean residual min=-0.003934 max=0.003454 Jy/beam ! Clean residual mean=0.000024 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 1.96104 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 1.96104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161404Jy sigma=0.001205 ! Fit after self-cal, rms=0.161395Jy sigma=0.001205 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 = 0.00025472 Jy ! Component: 100 - total flux cleaned = 0.000441127 Jy ! Component: 150 - total flux cleaned = 0.00050154 Jy ! Component: 200 - total flux cleaned = 0.000581861 Jy ! Total flux subtracted in 200 components = 0.000581861 Jy ! Clean residual min=-0.004002 max=0.003470 Jy/beam ! Clean residual mean=0.000025 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 1.96162 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 89 components and 1.96162 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161390Jy sigma=0.001205 ! Fit after self-cal, rms=0.161389Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8473 mas, bmaj=2.109 mas, bpa=-7.249 degrees ! Estimated noise=799.732 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8473 x 2.109 at -7.249 degrees (North through East) ! Clean map min=-0.0036077 max=1.8006 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=0.161389Jy sigma=0.001205 ! Fit after self-cal, rms=0.145594Jy sigma=0.001081 ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8472 mas, bmaj=2.109 mas, bpa=-7.245 degrees ! Estimated noise=799.488 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000100463 Jy ! Component: 100 - total flux cleaned = 0.000179607 Jy ! Component: 150 - total flux cleaned = 0.000250093 Jy ! Component: 200 - total flux cleaned = 0.000180922 Jy ! Total flux subtracted in 200 components = 0.000180922 Jy ! Clean residual min=-0.003772 max=0.003561 Jy/beam ! Clean residual mean=0.000007 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 1.9618 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 100 components and 1.9618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145497Jy sigma=0.001080 ! Fit after self-cal, rms=0.145497Jy sigma=0.001080 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000212449 Jy ! Component: 100 - total flux cleaned = 0.000273424 Jy ! Component: 150 - total flux cleaned = 0.000214918 Jy ! Component: 200 - total flux cleaned = 0.000213303 Jy ! Total flux subtracted in 200 components = 0.000213303 Jy ! Clean residual min=-0.003697 max=0.003588 Jy/beam ! Clean residual mean=0.000007 rms=0.000889 Jy/beam ! Combined flux in latest and established models = 1.96201 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 100 components and 1.96201 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145437Jy sigma=0.001080 ! Fit after self-cal, rms=0.145437Jy sigma=0.001080 ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145437Jy sigma=0.001080 ! Fit after self-cal, rms=0.145429Jy sigma=0.001080 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 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.7029 mas, bmaj=1.474 mas, bpa=-9.544 degrees ! Estimated noise=1337.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.38639 Jy ! Component: 100 - total flux cleaned = 1.6961 Jy ! Component: 150 - total flux cleaned = 1.80976 Jy ! Component: 200 - total flux cleaned = 1.86839 Jy ! Total flux subtracted in 200 components = 1.86839 Jy ! Clean residual min=-0.011238 max=0.028638 Jy/beam ! Clean residual mean=-0.000067 rms=0.002891 Jy/beam ! Combined flux in latest and established models = 1.86839 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.86839 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8473 mas, bmaj=2.109 mas, bpa=-7.244 degrees ! Estimated noise=799.395 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 = 0.0429643 Jy ! Component: 100 - total flux cleaned = 0.064138 Jy ! Component: 150 - total flux cleaned = 0.0763578 Jy ! Component: 200 - total flux cleaned = 0.0839951 Jy ! Total flux subtracted in 200 components = 0.0839951 Jy ! Clean residual min=-0.005376 max=0.005615 Jy/beam ! Clean residual mean=-0.000017 rms=0.001149 Jy/beam ! Combined flux in latest and established models = 1.95238 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 1.95238 Jy ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Added new window around map position (-1, -4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00553387 Jy ! Component: 100 - total flux cleaned = 0.0063984 Jy ! Component: 150 - total flux cleaned = 0.00716504 Jy ! Component: 200 - total flux cleaned = 0.00744422 Jy ! Total flux subtracted in 200 components = 0.00744422 Jy ! Clean residual min=-0.005007 max=0.003947 Jy/beam ! Clean residual mean=0.000002 rms=0.001028 Jy/beam ! Combined flux in latest and established models = 1.95983 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 1.95983 Jy ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 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 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=2.344 mas, bmaj=4.271 mas, bpa=-3.715 degrees ! Estimated noise=1009.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170907 Jy ! Component: 100 - total flux cleaned = 0.00165161 Jy ! Component: 150 - total flux cleaned = 0.0015552 Jy ! Component: 200 - total flux cleaned = 0.00151363 Jy ! Total flux subtracted in 200 components = 0.00151363 Jy ! Clean residual min=-0.003831 max=0.003123 Jy/beam ! Clean residual mean=0.000016 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 1.96134 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 = -7.35127e-05 Jy ! Component: 100 - total flux cleaned = -0.000107222 Jy ! Component: 150 - total flux cleaned = -0.000137795 Jy ! Component: 200 - total flux cleaned = -0.000195833 Jy ! Total flux subtracted in 200 components = -0.000195833 Jy ! Clean residual min=-0.003781 max=0.003106 Jy/beam ! Clean residual mean=0.000017 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 1.96114 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 85 components and 1.96114 Jy ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! Estimated beam: bmin=0.8473 mas, bmaj=2.109 mas, bpa=-7.244 degrees ! Estimated noise=799.395 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000388597 Jy ! Component: 100 - total flux cleaned = -0.000507207 Jy ! Component: 150 - total flux cleaned = -0.000504879 Jy ! Component: 200 - total flux cleaned = -0.000404599 Jy ! Total flux subtracted in 200 components = -0.000404599 Jy ! Clean residual min=-0.004209 max=0.003641 Jy/beam ! Clean residual mean=0.000006 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 1.96074 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 93 components and 1.96074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145893Jy sigma=0.001083 ! Fit after self-cal, rms=0.145894Jy sigma=0.001083 wmodel J2000-1748_X_2008_04_02_pus_map.mod ! Writing 93 model components to file: J2000-1748_X_2008_04_02_pus_map.mod wobs J2000-1748_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2000-1748_X_2008_04_02_pus_uvs.fits wwins J2000-1748_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J2000-1748_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 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015412 Jy ! Component: 100 - total flux cleaned = -0.00223392 Jy ! Component: 150 - total flux cleaned = -0.00236205 Jy ! Component: 200 - total flux cleaned = -0.0025458 Jy ! Component: 250 - total flux cleaned = -0.00248653 Jy ! Component: 300 - total flux cleaned = -0.0024296 Jy ! Component: 350 - total flux cleaned = -0.00254033 Jy ! Component: 400 - total flux cleaned = -0.00243311 Jy ! Component: 450 - total flux cleaned = -0.00238109 Jy ! Component: 500 - total flux cleaned = -0.0023824 Jy ! Component: 550 - total flux cleaned = -0.00258494 Jy ! Component: 600 - total flux cleaned = -0.00248549 Jy ! Component: 650 - total flux cleaned = -0.00248661 Jy ! Component: 700 - total flux cleaned = -0.00248771 Jy ! Component: 750 - total flux cleaned = -0.00248863 Jy ! Component: 800 - total flux cleaned = -0.00248885 Jy ! Component: 850 - total flux cleaned = -0.00244265 Jy ! Component: 900 - total flux cleaned = -0.0022608 Jy ! Component: 950 - total flux cleaned = -0.00226077 Jy ! Component: 1000 - total flux cleaned = -0.00199551 Jy ! Component: 1050 - total flux cleaned = -0.00177751 Jy ! Component: 1100 - total flux cleaned = -0.00164843 Jy ! Component: 1150 - total flux cleaned = -0.00147714 Jy ! Component: 1200 - total flux cleaned = -0.00135001 Jy ! Component: 1250 - total flux cleaned = -0.0012243 Jy ! Component: 1300 - total flux cleaned = -0.00105906 Jy ! Component: 1350 - total flux cleaned = -0.00101771 Jy ! Component: 1400 - total flux cleaned = -0.000691806 Jy ! Component: 1450 - total flux cleaned = -0.00069125 Jy ! Component: 1500 - total flux cleaned = -0.000491937 Jy ! Component: 1550 - total flux cleaned = -0.000254676 Jy ! Component: 1600 - total flux cleaned = -0.00013697 Jy ! Component: 1650 - total flux cleaned = 0.000134719 Jy ! Component: 1700 - total flux cleaned = 0.000289541 Jy ! Component: 1750 - total flux cleaned = 0.000480627 Jy ! Component: 1800 - total flux cleaned = 0.000746269 Jy ! Component: 1850 - total flux cleaned = 0.000934322 Jy ! Component: 1900 - total flux cleaned = 0.000934037 Jy ! Component: 1950 - total flux cleaned = 0.00108301 Jy ! Component: 2000 - total flux cleaned = 0.00130413 Jy ! Total flux subtracted in 2048 components = 0.00134081 Jy ! Clean residual min=-0.002272 max=0.002025 Jy/beam ! Clean residual mean=0.000002 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 1.96208 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 237 components and 1.96208 Jy wmap "J2000-1748_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8473 x 2.109 at -7.244 degrees (North through East) ! Clean map min=-0.0031177 max=1.805 Jy/beam ! Writing clean map to FITS file: J2000-1748_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 1.80499 invert ! Inverting map ! Your choice of large map pixels excluded 0.285% of the data. ! The x-axis pixel size should ideally be below 0.1938 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000684314 device "J2000-1748_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2000-1748_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.113737 0.113737 0.227475 0.454949 0.909899 1.8198 3.63959 7.27919 14.5584 29.1168 58.2335 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.804 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8473 x 2.109 at -7.244 degrees (North through East) ! Clean map min=-0.0031177 max=1.805 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2000-1748_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2000-1748_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2000-1748_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:53:30 2010