! Started logfile: J2246-1206_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:20:16 2010 obs J2246-1206_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2246-1206_X_2008_07_09_pus_uva.fits ! AN table 1: 44 integrations on 105 of 105 possible baselines. ! AN table 2: 31 integrations on 105 of 105 possible baselines. ! AN table 3: 114 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.102343 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! ! 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 1142 lines of history. ! ! Reading 8124 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 347 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 324 telescope corrections were flagged in sub-array 1. ! A total of 345 telescope corrections were flagged in sub-array 2. ! A total of 1401 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.707092Jy sigma=0.005825 ! Fit after self-cal, rms=0.654540Jy sigma=0.005508 ! 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 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.6332 mas, bmaj=1.726 mas, bpa=-8.118 degrees ! Estimated noise=1384.05 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.795227 Jy ! Component: 100 - total flux cleaned = 1.05777 Jy ! Total flux subtracted in 100 components = 1.05777 Jy ! Clean residual min=-0.096304 max=0.410374 Jy/beam ! Clean residual mean=0.004200 rms=0.035266 Jy/beam ! Combined flux in latest and established models = 1.05777 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.05777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.624653Jy sigma=0.005247 ! Fit after self-cal, rms=0.623141Jy sigma=0.005219 ! Inverting map ! Your choice of large map pixels excluded 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Added new window around map position (0.2, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.349449 Jy ! Component: 100 - total flux cleaned = 0.513595 Jy ! Total flux subtracted in 100 components = 0.513595 Jy ! Clean residual min=-0.081147 max=0.121034 Jy/beam ! Clean residual mean=0.002004 rms=0.019847 Jy/beam ! Combined flux in latest and established models = 1.57137 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 13 components and 1.57137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.392627Jy sigma=0.003127 ! Fit after self-cal, rms=0.349830Jy sigma=0.002809 ! Inverting map ! Your choice of large map pixels excluded 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.145458 Jy ! Component: 100 - total flux cleaned = 0.226252 Jy ! Total flux subtracted in 100 components = 0.226252 Jy ! Clean residual min=-0.058647 max=0.055050 Jy/beam ! Clean residual mean=0.000981 rms=0.011957 Jy/beam ! Combined flux in latest and established models = 1.79762 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 21 components and 1.79762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284266Jy sigma=0.002141 ! Fit after self-cal, rms=0.275520Jy sigma=0.002061 ! Inverting map ! Your choice of large map pixels excluded 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0676657 Jy ! Component: 100 - total flux cleaned = 0.10776 Jy ! Total flux subtracted in 100 components = 0.10776 Jy ! Clean residual min=-0.044201 max=0.051931 Jy/beam ! Clean residual mean=0.000488 rms=0.009434 Jy/beam ! Combined flux in latest and established models = 1.90538 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 26 components and 1.90538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264361Jy sigma=0.001908 ! Fit after self-cal, rms=0.262761Jy sigma=0.001893 ! Inverting map ! Your choice of large map pixels excluded 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.8263 mas, bmaj=2.168 mas, bpa=-7.669 degrees ! Estimated noise=970.546 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 (1.8, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0616161 Jy ! Component: 100 - total flux cleaned = 0.0746697 Jy ! Component: 150 - total flux cleaned = 0.0821278 Jy ! Component: 200 - total flux cleaned = 0.0868257 Jy ! Total flux subtracted in 200 components = 0.0868257 Jy ! Clean residual min=-0.025759 max=0.032622 Jy/beam ! Clean residual mean=0.000443 rms=0.007862 Jy/beam ! Combined flux in latest and established models = 1.99221 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 54 components and 1.99221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244421Jy sigma=0.001702 ! Fit after self-cal, rms=0.242180Jy sigma=0.001679 ! Inverting map ! Your choice of large map pixels excluded 0.525% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HH 1.00* HN 1.03 ! KK 1.08 KP 1.03 LA 0.98 MK 0.97 ! NL 1.02 NY 1.00* ON 1.00* PT 0.99 ! SC 0.95 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 HH 1.00* HN 0.99 ! KK 1.08 KP 1.02 LA 0.98 MK 0.97 ! NL 0.96 NY 1.00* ON 1.00* PT 0.97 ! SC 0.92 WZ 1.00* ZC 1.00* ! ! A total of 309 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HH 1.00* HN 0.95 ! KK 1.06 KP 0.98 LA 0.96 MK 0.97 ! NL 1.01 NY 1.00* ON 1.00* PT 1.00 ! SC 0.93 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 HH 1.00* HN 0.91 ! KK 1.07 KP 0.96 LA 0.97 MK 0.98 ! NL 0.95 NY 1.00* ON 1.00* PT 0.96 ! SC 0.92 WZ 1.00* ZC 1.00* ! ! A total of 309 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HH 1.00* HN 0.95 ! KK 1.03 KP 1.02 LA 0.99 MK 1.00 ! NL 1.03 NY 1.00* ON 1.00* PT 0.99 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HH 1.00* HN 0.92 ! KK 1.07 KP 1.00 LA 1.00 MK 1.00 ! NL 0.97 NY 1.00* ON 1.00* PT 0.97 ! SC 0.93 WZ 1.00* ZC 1.00* ! ! A total of 309 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 0.95 ! KK 1.02 KP 1.01 LA 0.98 MK 1.02 ! NL 1.02 NY 1.00* ON 1.00* PT 1.04 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 9 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 0.91 ! KK 1.04 KP 0.98 LA 1.00 MK 1.01 ! NL 0.98 NY 1.00* ON 1.00* PT 1.00 ! SC 0.96 WZ 1.00* ZC 1.00* ! ! A total of 309 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.242180Jy sigma=0.001679 ! Fit after self-cal, rms=0.213382Jy sigma=0.001576 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7918 mas, bmaj=2.066 mas, bpa=-7.963 degrees ! Estimated noise=977.214 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 = -0.000893631 Jy ! Component: 100 - total flux cleaned = 0.00230685 Jy ! Component: 150 - total flux cleaned = 0.00383166 Jy ! Component: 200 - total flux cleaned = 0.00557486 Jy ! Total flux subtracted in 200 components = 0.00557486 Jy ! Clean residual min=-0.021475 max=0.020039 Jy/beam ! Clean residual mean=0.000218 rms=0.004770 Jy/beam ! Combined flux in latest and established models = 1.99778 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 72 components and 1.99778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209799Jy sigma=0.001538 ! Fit after self-cal, rms=0.209389Jy sigma=0.001533 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.209389Jy sigma=0.001533 ! Fit after self-cal, rms=0.208024Jy sigma=0.001519 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.792 mas, bmaj=2.06 mas, bpa=-7.771 degrees ! Estimated noise=972.658 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00172925 Jy ! Component: 100 - total flux cleaned = 0.000995499 Jy ! Component: 150 - total flux cleaned = 0.00250426 Jy ! Component: 200 - total flux cleaned = 0.00314924 Jy ! Total flux subtracted in 200 components = 0.00314924 Jy ! Clean residual min=-0.017927 max=0.017895 Jy/beam ! Clean residual mean=0.000195 rms=0.004270 Jy/beam ! Combined flux in latest and established models = 2.00093 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 2.00093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206264Jy sigma=0.001501 ! Fit after self-cal, rms=0.205928Jy sigma=0.001497 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = -0.000447373 Jy ! Component: 100 - total flux cleaned = 0.00198491 Jy ! Component: 150 - total flux cleaned = 0.00315995 Jy ! Component: 200 - total flux cleaned = 0.00316513 Jy ! Total flux subtracted in 200 components = 0.00316513 Jy ! Clean residual min=-0.017580 max=0.015931 Jy/beam ! Clean residual mean=0.000168 rms=0.004019 Jy/beam ! Combined flux in latest and established models = 2.0041 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 92 components and 2.0041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204815Jy sigma=0.001485 ! Fit after self-cal, rms=0.204538Jy sigma=0.001482 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.204538Jy sigma=0.001482 ! Fit after self-cal, rms=0.203548Jy sigma=0.001464 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7913 mas, bmaj=2.055 mas, bpa=-7.652 degrees ! Estimated noise=970.552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012655 Jy ! Component: 100 - total flux cleaned = 0.000240067 Jy ! Component: 150 - total flux cleaned = 0.000753497 Jy ! Component: 200 - total flux cleaned = 0.000980073 Jy ! Total flux subtracted in 200 components = 0.000980073 Jy ! Clean residual min=-0.015548 max=0.013957 Jy/beam ! Clean residual mean=0.000078 rms=0.003658 Jy/beam ! Combined flux in latest and established models = 2.00508 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 100 components and 2.00508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202632Jy sigma=0.001455 ! Fit after self-cal, rms=0.202436Jy sigma=0.001452 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = -0.000165248 Jy ! Component: 100 - total flux cleaned = 0.000256425 Jy ! Component: 150 - total flux cleaned = 0.000483375 Jy ! Component: 200 - total flux cleaned = 0.000684258 Jy ! Total flux subtracted in 200 components = 0.000684258 Jy ! Clean residual min=-0.015034 max=0.012856 Jy/beam ! Clean residual mean=0.000071 rms=0.003485 Jy/beam ! Combined flux in latest and established models = 2.00576 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 102 components and 2.00576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201732Jy sigma=0.001445 ! Fit after self-cal, rms=0.201566Jy sigma=0.001443 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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=0.201566Jy sigma=0.001443 ! Fit after self-cal, rms=0.201233Jy sigma=0.001443 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.13 mas, bmaj=3.523 mas, bpa=-5.998 degrees ! Estimated noise=1311.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00614213 Jy ! Component: 100 - total flux cleaned = -0.00505487 Jy ! Component: 150 - total flux cleaned = -0.00424015 Jy ! Component: 200 - total flux cleaned = -0.00388484 Jy ! Total flux subtracted in 200 components = -0.00388484 Jy ! Clean residual min=-0.010661 max=0.015107 Jy/beam ! Clean residual mean=0.000264 rms=0.004511 Jy/beam ! Combined flux in latest and established models = 2.00188 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 118 components and 2.00188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201098Jy sigma=0.001441 ! Fit after self-cal, rms=0.200913Jy sigma=0.001439 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 = -0.000527507 Jy ! Component: 100 - total flux cleaned = 0.000939629 Jy ! Component: 150 - total flux cleaned = 0.001428 Jy ! Component: 200 - total flux cleaned = 0.0018462 Jy ! Total flux subtracted in 200 components = 0.0018462 Jy ! Clean residual min=-0.010301 max=0.014999 Jy/beam ! Clean residual mean=0.000233 rms=0.004436 Jy/beam ! Combined flux in latest and established models = 2.00372 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 120 components and 2.00372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200940Jy sigma=0.001439 ! Fit after self-cal, rms=0.200864Jy sigma=0.001437 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7911 mas, bmaj=2.053 mas, bpa=-7.595 degrees ! Estimated noise=969.051 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7911 x 2.053 at -7.595 degrees (North through East) ! Clean map min=-0.020855 max=0.97628 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=0.200864Jy sigma=0.001437 ! Fit after self-cal, rms=0.260900Jy sigma=0.001230 ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7918 mas, bmaj=2.048 mas, bpa=-7.429 degrees ! Estimated noise=970.534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00408185 Jy ! Component: 100 - total flux cleaned = 0.00467599 Jy ! Component: 150 - total flux cleaned = 0.00536166 Jy ! Component: 200 - total flux cleaned = 0.00638422 Jy ! Total flux subtracted in 200 components = 0.00638422 Jy ! Clean residual min=-0.012317 max=0.009994 Jy/beam ! Clean residual mean=-0.000005 rms=0.002916 Jy/beam ! Combined flux in latest and established models = 2.01011 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 133 components and 2.01011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260227Jy sigma=0.001220 ! Fit after self-cal, rms=0.260132Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000903611 Jy ! Component: 100 - total flux cleaned = 0.000877917 Jy ! Component: 150 - total flux cleaned = 0.000873607 Jy ! Component: 200 - total flux cleaned = 0.00104216 Jy ! Total flux subtracted in 200 components = 0.00104216 Jy ! Clean residual min=-0.011911 max=0.009334 Jy/beam ! Clean residual mean=-0.000011 rms=0.002808 Jy/beam ! Combined flux in latest and established models = 2.01115 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 136 components and 2.01115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259808Jy sigma=0.001213 ! Fit after self-cal, rms=0.259746Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259746Jy sigma=0.001212 ! Fit after self-cal, rms=0.259311Jy sigma=0.001212 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 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.6327 mas, bmaj=1.697 mas, bpa=-7.141 degrees ! Estimated noise=1342.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.830981 Jy ! Component: 100 - total flux cleaned = 1.22235 Jy ! Component: 150 - total flux cleaned = 1.42652 Jy ! Component: 200 - total flux cleaned = 1.54384 Jy ! Total flux subtracted in 200 components = 1.54384 Jy ! Clean residual min=-0.030439 max=0.061392 Jy/beam ! Clean residual mean=0.001961 rms=0.010770 Jy/beam ! Combined flux in latest and established models = 1.54384 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.54384 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7915 mas, bmaj=2.047 mas, bpa=-7.452 degrees ! Estimated noise=970.956 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 = 0.126381 Jy ! Component: 100 - total flux cleaned = 0.210937 Jy ! Component: 150 - total flux cleaned = 0.272299 Jy ! Component: 200 - total flux cleaned = 0.318489 Jy ! Total flux subtracted in 200 components = 0.318489 Jy ! Clean residual min=-0.017267 max=0.028803 Jy/beam ! Clean residual mean=0.001356 rms=0.007165 Jy/beam ! Combined flux in latest and established models = 1.86233 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 64 components and 1.86233 Jy ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 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 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=2.13 mas, bmaj=3.517 mas, bpa=-5.769 degrees ! Estimated noise=1314.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0623217 Jy ! Component: 100 - total flux cleaned = 0.0958447 Jy ! Component: 150 - total flux cleaned = 0.115398 Jy ! Component: 200 - total flux cleaned = 0.127562 Jy ! Total flux subtracted in 200 components = 0.127562 Jy ! Clean residual min=-0.008676 max=0.013071 Jy/beam ! Clean residual mean=0.000555 rms=0.004044 Jy/beam ! Combined flux in latest and established models = 1.98989 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00727978 Jy ! Component: 100 - total flux cleaned = 0.00916534 Jy ! Component: 150 - total flux cleaned = 0.0105835 Jy ! Component: 200 - total flux cleaned = 0.0118161 Jy ! Total flux subtracted in 200 components = 0.0118161 Jy ! Clean residual min=-0.008560 max=0.013641 Jy/beam ! Clean residual mean=0.000289 rms=0.003719 Jy/beam ! Combined flux in latest and established models = 2.00171 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 106 components and 2.00171 Jy ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! Estimated beam: bmin=0.7915 mas, bmaj=2.047 mas, bpa=-7.452 degrees ! Estimated noise=970.956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00483814 Jy ! Component: 100 - total flux cleaned = -0.00340685 Jy ! Component: 150 - total flux cleaned = -0.00218063 Jy ! Component: 200 - total flux cleaned = -0.00148957 Jy ! Total flux subtracted in 200 components = -0.00148957 Jy ! Clean residual min=-0.016264 max=0.014757 Jy/beam ! Clean residual mean=0.000123 rms=0.002945 Jy/beam ! Combined flux in latest and established models = 2.00022 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 118 components and 2.00022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260653Jy sigma=0.001230 ! Fit after self-cal, rms=0.260242Jy sigma=0.001222 wmodel J2246-1206_X_2008_07_09_pus_map.mod ! Writing 118 model components to file: J2246-1206_X_2008_07_09_pus_map.mod wobs J2246-1206_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2246-1206_X_2008_07_09_pus_uvs.fits wwins J2246-1206_X_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J2246-1206_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00074117 Jy ! Component: 100 - total flux cleaned = -0.000950902 Jy ! Component: 150 - total flux cleaned = -0.000428837 Jy ! Component: 200 - total flux cleaned = -0.000908275 Jy ! Component: 250 - total flux cleaned = -0.000910343 Jy ! Component: 300 - total flux cleaned = -0.00105898 Jy ! Component: 350 - total flux cleaned = -0.00120499 Jy ! Component: 400 - total flux cleaned = -0.00120838 Jy ! Component: 450 - total flux cleaned = -0.00134239 Jy ! Component: 500 - total flux cleaned = -0.00160175 Jy ! Component: 550 - total flux cleaned = -0.00172733 Jy ! Component: 600 - total flux cleaned = -0.00172716 Jy ! Component: 650 - total flux cleaned = -0.00172679 Jy ! Component: 700 - total flux cleaned = -0.00161068 Jy ! Component: 750 - total flux cleaned = -0.00172669 Jy ! Component: 800 - total flux cleaned = -0.00150177 Jy ! Component: 850 - total flux cleaned = -0.00150231 Jy ! Component: 900 - total flux cleaned = -0.00150287 Jy ! Component: 950 - total flux cleaned = -0.00150427 Jy ! Component: 1000 - total flux cleaned = -0.00140155 Jy ! Total flux subtracted in 1024 components = -0.00140156 Jy ! Clean residual min=-0.006752 max=0.005360 Jy/beam ! Clean residual mean=0.000187 rms=0.001988 Jy/beam ! Combined flux in latest and established models = 1.99882 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 172 components and 1.99882 Jy wmap "J2246-1206_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7915 x 2.047 at -7.452 degrees (North through East) ! Clean map min=-0.011643 max=0.98329 Jy/beam ! Writing clean map to FITS file: J2246-1206_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.983286 invert ! Inverting map ! Your choice of large map pixels excluded 0.63% of the data. ! The x-axis pixel size should ideally be below 0.1904 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00198908 device "J2246-1206_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.606867 0.606867 1.21373 2.42747 4.85494 9.70987 19.4197 38.8395 77.679 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0059 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.983 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7915 x 2.047 at -7.452 degrees (North through East) ! Clean map min=-0.011643 max=0.98329 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:20:19 2010