! Started logfile: J0457-2324_X_2003_07_09_pus_uvs.log on Sun Apr 7 11:47:21 2013 obs J0457-2324_X_2003_07_09_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2003_07_09_pus_uva.fits ! AN table 1: 32 integrations on 171 of 171 possible baselines. ! AN table 2: 81 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0908762 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 1874 lines of history. ! ! Reading 7024 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0457-2324_X_2003_07_09_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 608 telescope corrections were flagged in sub-array 1. ! A total of 1021 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 608 telescope corrections were flagged in sub-array 1. ! A total of 1021 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 608 telescope corrections were flagged in sub-array 1. ! A total of 1021 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 608 telescope corrections were flagged in sub-array 1. ! A total of 1022 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.655940Jy sigma=0.013527 ! Fit after self-cal, rms=1.360307Jy sigma=0.011323 ! 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 0.633% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.8497 mas, bmaj=1.011 mas, bpa=34.3 degrees ! Estimated noise=3127.31 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 = 1.688 Jy ! Component: 100 - total flux cleaned = 2.15519 Jy ! Total flux subtracted in 100 components = 2.15519 Jy ! Clean residual min=-0.090249 max=0.195292 Jy/beam ! Clean residual mean=0.001695 rms=0.037755 Jy/beam ! Combined flux in latest and established models = 2.15519 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 2.15519 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456150Jy sigma=0.003335 ! Fit after self-cal, rms=0.456025Jy sigma=0.003335 ! Inverting map ! Your choice of large map pixels excluded 0.633% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 0.633% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.079 mas, bmaj=2.1 mas, bpa=-1.578 degrees ! Estimated noise=1093.23 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 = 0.242724 Jy ! Component: 100 - total flux cleaned = 0.335448 Jy ! Component: 150 - total flux cleaned = 0.37584 Jy ! Component: 200 - total flux cleaned = 0.395339 Jy ! Total flux subtracted in 200 components = 0.395339 Jy ! Clean residual min=-0.102054 max=0.085802 Jy/beam ! Clean residual mean=-0.002553 rms=0.024447 Jy/beam ! Combined flux in latest and established models = 2.55053 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 30 components and 2.55053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342363Jy sigma=0.002110 ! Fit after self-cal, rms=0.342276Jy sigma=0.002109 ! Inverting map ! Your choice of large map pixels excluded 0.633% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 GC 1.00* GG 1.00* ! HN 1.00* KP 0.93 LA 0.98 MA 1.00* ! MK 0.96 NL 1.14 NY 1.00* ON 1.00* ! OV 0.99 PT 0.99 SC 1.00* TC 0.83 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.00* GG 1.00* ! HN 1.00* KP 0.88 LA 0.99 MA 1.00* ! MK 0.98 NL 1.10 NY 1.00* ON 1.00* ! OV 0.99 PT 1.03 SC 1.00* TC 0.92 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.83 LA 1.00 MA 1.00* ! MK 0.99 NL 1.10 NY 1.00* ON 1.00* ! OV 1.03 PT 1.06 SC 1.00* TC 1.53 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.89 LA 0.99 MA 1.00* ! MK 1.02 NL 1.11 NY 1.00* ON 1.00* ! OV 1.02 PT 1.08 SC 1.00* TC 1.96 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.342276Jy sigma=0.002109 ! Fit after self-cal, rms=0.322719Jy sigma=0.001321 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.087 mas, bmaj=2.197 mas, bpa=-2.039 degrees ! Estimated noise=1097.33 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 = 0.0010226 Jy ! Component: 100 - total flux cleaned = 0.00137403 Jy ! Component: 150 - total flux cleaned = 0.00161885 Jy ! Component: 200 - total flux cleaned = 0.00177299 Jy ! Total flux subtracted in 200 components = 0.00177299 Jy ! Clean residual min=-0.006799 max=0.007536 Jy/beam ! Clean residual mean=0.000162 rms=0.001711 Jy/beam ! Combined flux in latest and established models = 2.5523 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 34 components and 2.5523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322591Jy sigma=0.001321 ! Fit after self-cal, rms=0.322760Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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=0.322760Jy sigma=0.001321 ! Fit after self-cal, rms=0.323509Jy sigma=0.001321 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.087 mas, bmaj=2.199 mas, bpa=-2.048 degrees ! Estimated noise=1097.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000775338 Jy ! Component: 100 - total flux cleaned = 0.000855105 Jy ! Component: 150 - total flux cleaned = 0.000856652 Jy ! Component: 200 - total flux cleaned = 0.000864819 Jy ! Total flux subtracted in 200 components = 0.000864819 Jy ! Clean residual min=-0.006732 max=0.007433 Jy/beam ! Clean residual mean=0.000172 rms=0.001698 Jy/beam ! Combined flux in latest and established models = 2.55317 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 34 components and 2.55317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323413Jy sigma=0.001320 ! Fit after self-cal, rms=0.323409Jy sigma=0.001320 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 (-3, -8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00556683 Jy ! Component: 100 - total flux cleaned = 0.00634352 Jy ! Component: 150 - total flux cleaned = 0.00634661 Jy ! Component: 200 - total flux cleaned = 0.00653839 Jy ! Total flux subtracted in 200 components = 0.00653839 Jy ! Clean residual min=-0.005645 max=0.006120 Jy/beam ! Clean residual mean=0.000094 rms=0.001469 Jy/beam ! Combined flux in latest and established models = 2.55971 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 2.55971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323120Jy sigma=0.001319 ! Fit after self-cal, rms=0.323117Jy sigma=0.001319 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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=0.323117Jy sigma=0.001319 ! Fit after self-cal, rms=0.323353Jy sigma=0.001318 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.087 mas, bmaj=2.201 mas, bpa=-2.066 degrees ! Estimated noise=1097.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00287593 Jy ! Component: 100 - total flux cleaned = 0.00314644 Jy ! Component: 150 - total flux cleaned = 0.00339214 Jy ! Component: 200 - total flux cleaned = 0.00354572 Jy ! Total flux subtracted in 200 components = 0.00354572 Jy ! Clean residual min=-0.005328 max=0.005859 Jy/beam ! Clean residual mean=0.000092 rms=0.001379 Jy/beam ! Combined flux in latest and established models = 2.56325 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 2.56325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323194Jy sigma=0.001318 ! Fit after self-cal, rms=0.323191Jy sigma=0.001318 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 = 0.000665643 Jy ! Component: 100 - total flux cleaned = 0.000733903 Jy ! Component: 150 - total flux cleaned = 0.000734631 Jy ! Component: 200 - total flux cleaned = 0.00073661 Jy ! Total flux subtracted in 200 components = 0.00073661 Jy ! Clean residual min=-0.005210 max=0.005810 Jy/beam ! Clean residual mean=0.000082 rms=0.001351 Jy/beam ! Combined flux in latest and established models = 2.56399 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 2.56399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323087Jy sigma=0.001318 ! Fit after self-cal, rms=0.323086Jy sigma=0.001318 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Added new window around map position (-18.4, 23.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00484091 Jy ! Component: 100 - total flux cleaned = 0.0061589 Jy ! Component: 150 - total flux cleaned = 0.00658523 Jy ! Component: 200 - total flux cleaned = 0.00664859 Jy ! Total flux subtracted in 200 components = 0.00664859 Jy ! Clean residual min=-0.004504 max=0.004373 Jy/beam ! Clean residual mean=-0.000000 rms=0.001156 Jy/beam ! Combined flux in latest and established models = 2.57064 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 68 components and 2.57064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322902Jy sigma=0.001317 ! Fit after self-cal, rms=0.322899Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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=0.322899Jy sigma=0.001317 ! Fit after self-cal, rms=0.322722Jy sigma=0.001317 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=2.45 mas, bmaj=6.12 mas, bpa=18.65 degrees ! Estimated noise=1257.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189201 Jy ! Component: 100 - total flux cleaned = 0.00233936 Jy ! Component: 150 - total flux cleaned = 0.00246655 Jy ! Component: 200 - total flux cleaned = 0.00254109 Jy ! Total flux subtracted in 200 components = 0.00254109 Jy ! Clean residual min=-0.004310 max=0.003693 Jy/beam ! Clean residual mean=0.000020 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 2.57318 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 89 components and 2.57318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322720Jy sigma=0.001317 ! Fit after self-cal, rms=0.322717Jy sigma=0.001317 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 = 0.000548982 Jy ! Component: 100 - total flux cleaned = 0.000612257 Jy ! Component: 150 - total flux cleaned = 0.000611656 Jy ! Component: 200 - total flux cleaned = 0.000639609 Jy ! Total flux subtracted in 200 components = 0.000639609 Jy ! Clean residual min=-0.004123 max=0.003595 Jy/beam ! Clean residual mean=0.000008 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 2.57382 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 98 components and 2.57382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322714Jy sigma=0.001317 ! Fit after self-cal, rms=0.322714Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.086 mas, bmaj=2.203 mas, bpa=-2.078 degrees ! Estimated noise=1097.63 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.086 x 2.203 at -2.078 degrees (North through East) ! Clean map min=-0.0041162 max=2.2917 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=0.322714Jy sigma=0.001317 ! Fit after self-cal, rms=0.336254Jy sigma=0.001087 ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.086 mas, bmaj=2.201 mas, bpa=-2.091 degrees ! Estimated noise=1097.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00170717 Jy ! Component: 100 - total flux cleaned = -0.00206057 Jy ! Component: 150 - total flux cleaned = -0.00219139 Jy ! Component: 200 - total flux cleaned = -0.00231641 Jy ! Total flux subtracted in 200 components = -0.00231641 Jy ! Clean residual min=-0.003406 max=0.003868 Jy/beam ! Clean residual mean=-0.000017 rms=0.000994 Jy/beam ! Combined flux in latest and established models = 2.5715 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 2.5715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336139Jy sigma=0.001087 ! Fit after self-cal, rms=0.336139Jy sigma=0.001087 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000181371 Jy ! Component: 100 - total flux cleaned = -0.000298884 Jy ! Component: 150 - total flux cleaned = -0.0003524 Jy ! Component: 200 - total flux cleaned = -0.000406837 Jy ! Total flux subtracted in 200 components = -0.000406837 Jy ! Clean residual min=-0.003383 max=0.003706 Jy/beam ! Clean residual mean=-0.000011 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 2.57109 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 112 components and 2.57109 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336049Jy sigma=0.001087 ! Fit after self-cal, rms=0.336050Jy sigma=0.001087 ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336050Jy sigma=0.001087 ! Fit after self-cal, rms=0.335778Jy sigma=0.001087 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 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.8697 mas, bmaj=1.058 mas, bpa=22.84 degrees ! Estimated noise=3270.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.69688 Jy ! Component: 100 - total flux cleaned = 2.15557 Jy ! Component: 150 - total flux cleaned = 2.35611 Jy ! Component: 200 - total flux cleaned = 2.45221 Jy ! Total flux subtracted in 200 components = 2.45221 Jy ! Clean residual min=-0.025341 max=0.043715 Jy/beam ! Clean residual mean=0.000883 rms=0.008768 Jy/beam ! Combined flux in latest and established models = 2.45221 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 22 model components to the UV plane model. ! The established model now contains 22 components and 2.45221 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.086 mas, bmaj=2.202 mas, bpa=-2.097 degrees ! Estimated noise=1097.31 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 = 0.0566586 Jy ! Component: 100 - total flux cleaned = 0.0815304 Jy ! Component: 150 - total flux cleaned = 0.0942256 Jy ! Component: 200 - total flux cleaned = 0.10155 Jy ! Total flux subtracted in 200 components = 0.10155 Jy ! Clean residual min=-0.005423 max=0.006580 Jy/beam ! Clean residual mean=0.000208 rms=0.001676 Jy/beam ! Combined flux in latest and established models = 2.55376 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 41 components and 2.55376 Jy ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 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 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=2.45 mas, bmaj=6.118 mas, bpa=18.64 degrees ! Estimated noise=1257.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00653578 Jy ! Component: 100 - total flux cleaned = 0.0106617 Jy ! Component: 150 - total flux cleaned = 0.0134 Jy ! Component: 200 - total flux cleaned = 0.015076 Jy ! Total flux subtracted in 200 components = 0.015076 Jy ! Clean residual min=-0.004263 max=0.004037 Jy/beam ! Clean residual mean=0.000029 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 2.56883 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 = 0.000121671 Jy ! Component: 100 - total flux cleaned = 0.000282438 Jy ! Component: 150 - total flux cleaned = 0.000430225 Jy ! Component: 200 - total flux cleaned = 0.000601822 Jy ! Total flux subtracted in 200 components = 0.000601822 Jy ! Clean residual min=-0.003793 max=0.003864 Jy/beam ! Clean residual mean=0.000022 rms=0.001260 Jy/beam ! Combined flux in latest and established models = 2.56943 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 61 components and 2.56943 Jy ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=1.086 mas, bmaj=2.202 mas, bpa=-2.097 degrees ! Estimated noise=1097.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000280079 Jy ! Component: 100 - total flux cleaned = -0.000381248 Jy ! Component: 150 - total flux cleaned = -0.000382883 Jy ! Component: 200 - total flux cleaned = -0.00038309 Jy ! Total flux subtracted in 200 components = -0.00038309 Jy ! Clean residual min=-0.003850 max=0.004026 Jy/beam ! Clean residual mean=0.000015 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 2.56905 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 74 components and 2.56905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336476Jy sigma=0.001087 ! Fit after self-cal, rms=0.336243Jy sigma=0.001087 wmodel J0457-2324_X_2003_07_09_pus_map.mod ! Writing 74 model components to file: J0457-2324_X_2003_07_09_pus_map.mod wobs J0457-2324_X_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2003_07_09_pus_uvs.fits wwins J0457-2324_X_2003_07_09_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_X_2003_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 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000132014 Jy ! Component: 100 - total flux cleaned = -0.000520171 Jy ! Component: 150 - total flux cleaned = -0.000760349 Jy ! Component: 200 - total flux cleaned = -0.000930725 Jy ! Component: 250 - total flux cleaned = -0.000985489 Jy ! Component: 300 - total flux cleaned = -0.00098622 Jy ! Component: 350 - total flux cleaned = -0.00113435 Jy ! Component: 400 - total flux cleaned = -0.00118217 Jy ! Component: 450 - total flux cleaned = -0.00127363 Jy ! Component: 500 - total flux cleaned = -0.00131732 Jy ! Component: 550 - total flux cleaned = -0.00148848 Jy ! Component: 600 - total flux cleaned = -0.00161442 Jy ! Component: 650 - total flux cleaned = -0.00153208 Jy ! Component: 700 - total flux cleaned = -0.00157217 Jy ! Component: 750 - total flux cleaned = -0.0015717 Jy ! Component: 800 - total flux cleaned = -0.00161066 Jy ! Component: 850 - total flux cleaned = -0.00161136 Jy ! Component: 900 - total flux cleaned = -0.00164872 Jy ! Component: 950 - total flux cleaned = -0.0016119 Jy ! Component: 1000 - total flux cleaned = -0.00153974 Jy ! Component: 1050 - total flux cleaned = -0.00146896 Jy ! Component: 1100 - total flux cleaned = -0.00143444 Jy ! Component: 1150 - total flux cleaned = -0.00136621 Jy ! Component: 1200 - total flux cleaned = -0.00136662 Jy ! Component: 1250 - total flux cleaned = -0.00136642 Jy ! Component: 1300 - total flux cleaned = -0.00130059 Jy ! Component: 1350 - total flux cleaned = -0.00126817 Jy ! Component: 1400 - total flux cleaned = -0.00120424 Jy ! Component: 1450 - total flux cleaned = -0.00120434 Jy ! Component: 1500 - total flux cleaned = -0.00111058 Jy ! Component: 1550 - total flux cleaned = -0.000987281 Jy ! Component: 1600 - total flux cleaned = -0.000834859 Jy ! Component: 1650 - total flux cleaned = -0.000684955 Jy ! Component: 1700 - total flux cleaned = -0.000506872 Jy ! Component: 1750 - total flux cleaned = -0.000448103 Jy ! Component: 1800 - total flux cleaned = -0.00024425 Jy ! Component: 1850 - total flux cleaned = -0.000129496 Jy ! Component: 1900 - total flux cleaned = 4.15414e-05 Jy ! Component: 1950 - total flux cleaned = 0.000154226 Jy ! Component: 2000 - total flux cleaned = 0.000265788 Jy ! Total flux subtracted in 2048 components = 0.00037632 Jy ! Clean residual min=-0.001556 max=0.001531 Jy/beam ! Clean residual mean=0.000025 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 2.56943 Jy keep ! Adding 103 model components to the UV plane model. ! The established model now contains 177 components and 2.56943 Jy ![Exited script file: muppet] wmap "J0457-2324_X_2003_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.086 x 2.202 at -2.097 degrees (North through East) ! Clean map min=-0.0031002 max=2.2803 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.28026 invert ! Inverting map ! Your choice of large map pixels excluded 0.58% of the data. ! The y-axis pixel size should ideally be below 0.1952 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000459584 device "J0457-2324_X_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0604648 0.0604648 0.12093 0.241859 0.483719 0.967437 1.93487 3.86975 7.7395 15.479 30.958 61.916 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.28 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.086 x 2.202 at -2.097 degrees (North through East) ! Clean map min=-0.0031002 max=2.2803 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0457-2324_X_2003_07_09_pus_uvs.log closed on Sun Apr 7 11:47:26 2013