! Started logfile: J0121+0422_X_2001_03_12_pus_uvs.log on Wed Jan 2 19:48:30 2013 obs J0121+0422_X_2001_03_12_pus_uva.fits ! Reading UV FITS file: J0121+0422_X_2001_03_12_pus_uva.fits ! AN table 1: 218 integrations on 136 of 136 possible baselines. ! AN table 2: 280 integrations on 136 of 136 possible baselines. ! AN table 3: 14 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.130874 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0121+0422 ! ! 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 1749 lines of history. ! ! Reading 36452 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 J0121+0422_X_2001_03_12_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 2701 telescope corrections were flagged in sub-array 1. ! A total of 3214 telescope corrections were flagged in sub-array 2. ! A total of 205 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2701 telescope corrections were flagged in sub-array 1. ! A total of 3205 telescope corrections were flagged in sub-array 2. ! A total of 205 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2701 telescope corrections were flagged in sub-array 1. ! A total of 3208 telescope corrections were flagged in sub-array 2. ! A total of 205 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2701 telescope corrections were flagged in sub-array 1. ! A total of 3215 telescope corrections were flagged in sub-array 2. ! A total of 205 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.701383Jy sigma=0.005996 ! Fit after self-cal, rms=0.562510Jy sigma=0.004754 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.5275 mas, bmaj=1.363 mas, bpa=-3.018 degrees ! Estimated noise=837.773 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 = 0.379514 Jy ! Component: 100 - total flux cleaned = 0.558752 Jy ! Total flux subtracted in 100 components = 0.558752 Jy ! Clean residual min=-0.028475 max=0.142063 Jy/beam ! Clean residual mean=-0.000188 rms=0.008841 Jy/beam ! Combined flux in latest and established models = 0.558752 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.558752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329155Jy sigma=0.002802 ! Fit after self-cal, rms=0.326823Jy sigma=0.002791 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Added new window around map position (0.8, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130983 Jy ! Component: 100 - total flux cleaned = 0.202717 Jy ! Total flux subtracted in 100 components = 0.202717 Jy ! Clean residual min=-0.019138 max=0.088123 Jy/beam ! Clean residual mean=-0.000094 rms=0.004943 Jy/beam ! Combined flux in latest and established models = 0.761469 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.761469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231646Jy sigma=0.001762 ! Fit after self-cal, rms=0.225748Jy sigma=0.001708 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0629592 Jy ! Component: 100 - total flux cleaned = 0.0923622 Jy ! Total flux subtracted in 100 components = 0.0923622 Jy ! Clean residual min=-0.012848 max=0.042662 Jy/beam ! Clean residual mean=-0.000052 rms=0.003034 Jy/beam ! Combined flux in latest and established models = 0.853832 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 26 components and 0.853832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199945Jy sigma=0.001392 ! Fit after self-cal, rms=0.197752Jy sigma=0.001369 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0290066 Jy ! Component: 100 - total flux cleaned = 0.0424865 Jy ! Total flux subtracted in 100 components = 0.0424865 Jy ! Clean residual min=-0.011844 max=0.023825 Jy/beam ! Clean residual mean=-0.000032 rms=0.002342 Jy/beam ! Combined flux in latest and established models = 0.896318 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 28 components and 0.896318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192256Jy sigma=0.001294 ! Fit after self-cal, rms=0.191489Jy sigma=0.001286 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147634 Jy ! Component: 100 - total flux cleaned = 0.0177385 Jy ! Total flux subtracted in 100 components = 0.0177385 Jy ! Clean residual min=-0.011089 max=0.015726 Jy/beam ! Clean residual mean=-0.000024 rms=0.002103 Jy/beam ! Combined flux in latest and established models = 0.914057 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 31 components and 0.914057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190442Jy sigma=0.001269 ! Fit after self-cal, rms=0.190177Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7255 mas, bmaj=1.954 mas, bpa=0.03379 degrees ! Estimated noise=430.872 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 = 0.00904163 Jy ! Component: 100 - total flux cleaned = 0.00992863 Jy ! Component: 150 - total flux cleaned = 0.0103162 Jy ! Component: 200 - total flux cleaned = 0.0104183 Jy ! Total flux subtracted in 200 components = 0.0104183 Jy ! Clean residual min=-0.007103 max=0.009147 Jy/beam ! Clean residual mean=-0.000085 rms=0.002169 Jy/beam ! Combined flux in latest and established models = 0.924475 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.924475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189883Jy sigma=0.001260 ! Fit after self-cal, rms=0.189758Jy sigma=0.001259 ! Inverting map ! Your choice of large map pixels excluded 1.84% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HH 1.00* HN 1.02 ! KK 1.03 KP 0.99 LA 0.98 MA 0.68 ! MC 1.00* MK 1.00 NL 1.04 ON 1.00* ! OV 0.97 PT 0.97 SC 0.98 TS 1.00* ! WZ 1.00* ! ! A total of 183 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.04 HH 1.41 HN 1.02 ! KK 0.94 KP 1.01 LA 1.01 MA 0.98 ! MC 0.96 MK 0.97 NL 1.04 ON 1.16 ! OV 0.97 PT 0.96 SC 0.97 TS 1.35 ! WZ 1.07 ! ! A total of 33 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* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 1.00* HN 0.99 ! KK 0.99 KP 0.95 LA 0.97 MA 0.65 ! MC 1.00* MK 1.04 NL 0.99 ON 1.00* ! OV 0.97 PT 1.01 SC 0.97 TS 1.00* ! WZ 1.00* ! ! A total of 192 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 HH 0.82 HN 1.01 ! KK 0.90 KP 0.97 LA 1.00 MA 0.97 ! MC 0.97 MK 0.98 NL 1.01 ON 1.12 ! OV 0.97 PT 1.00 SC 0.98 TS 1.26 ! WZ 1.08 ! ! A total of 33 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* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HH 1.00* HN 1.04 ! KK 1.05 KP 0.93 LA 1.00 MA 0.69 ! MC 1.00* MK 1.05 NL 1.02 ON 1.00* ! OV 1.01 PT 1.06 SC 0.98 TS 1.00* ! WZ 1.00* ! ! A total of 189 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.02 HH 0.71 HN 1.03 ! KK 1.01 KP 0.96 LA 1.03 MA 1.10 ! MC 1.00 MK 1.00 NL 1.05 ON 1.20 ! OV 1.01 PT 1.04 SC 1.01 TS 1.31 ! WZ 1.13 ! ! A total of 33 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* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HH 1.00* HN 1.06 ! KK 1.05 KP 0.94 LA 0.98 MA 0.74 ! MC 1.00* MK 1.07 NL 1.02 ON 1.00* ! OV 1.00 PT 1.05 SC 1.01 TS 1.00* ! WZ 1.00* ! ! A total of 186 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 HH 0.66 HN 1.05 ! KK 0.96 KP 0.96 LA 1.02 MA 1.13 ! MC 0.97 MK 1.01 NL 1.06 ON 1.58 ! OV 0.99 PT 1.03 SC 1.09 TS 1.24 ! WZ 1.14 ! ! A total of 33 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* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! ! Fit before self-cal, rms=0.189758Jy sigma=0.001259 ! Fit after self-cal, rms=0.202844Jy sigma=0.001219 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7598 mas, bmaj=1.949 mas, bpa=-0.4931 degrees ! Estimated noise=443.985 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 (2.4, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00266652 Jy ! Component: 100 - total flux cleaned = 0.00245621 Jy ! Component: 150 - total flux cleaned = 0.00245983 Jy ! Component: 200 - total flux cleaned = 0.00219733 Jy ! Total flux subtracted in 200 components = 0.00219733 Jy ! Clean residual min=-0.005227 max=0.005249 Jy/beam ! Clean residual mean=-0.000021 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.926672 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 0.926672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202456Jy sigma=0.001215 ! Fit after self-cal, rms=0.202649Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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=0.202649Jy sigma=0.001215 ! Fit after self-cal, rms=0.199462Jy sigma=0.001200 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7571 mas, bmaj=1.938 mas, bpa=-0.4243 degrees ! Estimated noise=443.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218304 Jy ! Component: 100 - total flux cleaned = 0.00247291 Jy ! Component: 150 - total flux cleaned = 0.00259082 Jy ! Component: 200 - total flux cleaned = 0.00258983 Jy ! Total flux subtracted in 200 components = 0.00258983 Jy ! Clean residual min=-0.003087 max=0.004320 Jy/beam ! Clean residual mean=0.000008 rms=0.000699 Jy/beam ! Combined flux in latest and established models = 0.929262 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.929262 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199217Jy sigma=0.001198 ! Fit after self-cal, rms=0.199336Jy sigma=0.001197 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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 = 0.00058699 Jy ! Component: 100 - total flux cleaned = 0.000691529 Jy ! Component: 150 - total flux cleaned = 0.000607072 Jy ! Component: 200 - total flux cleaned = 0.000446383 Jy ! Total flux subtracted in 200 components = 0.000446383 Jy ! Clean residual min=-0.002855 max=0.003359 Jy/beam ! Clean residual mean=0.000010 rms=0.000672 Jy/beam ! Combined flux in latest and established models = 0.929708 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 65 components and 0.929708 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199196Jy sigma=0.001196 ! Fit after self-cal, rms=0.199182Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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=0.199182Jy sigma=0.001196 ! Fit after self-cal, rms=0.199086Jy sigma=0.001196 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7614 mas, bmaj=1.931 mas, bpa=-0.4467 degrees ! Estimated noise=444.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0009879 Jy ! Component: 100 - total flux cleaned = 0.00118639 Jy ! Component: 150 - total flux cleaned = 0.00135871 Jy ! Component: 200 - total flux cleaned = 0.00128963 Jy ! Total flux subtracted in 200 components = 0.00128963 Jy ! Clean residual min=-0.002649 max=0.003401 Jy/beam ! Clean residual mean=0.000005 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.930998 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 0.930998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198952Jy sigma=0.001195 ! Fit after self-cal, rms=0.198891Jy sigma=0.001195 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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 = 0.000324882 Jy ! Component: 100 - total flux cleaned = 0.000483911 Jy ! Component: 150 - total flux cleaned = 0.000348878 Jy ! Component: 200 - total flux cleaned = 0.000223861 Jy ! Total flux subtracted in 200 components = 0.000223861 Jy ! Clean residual min=-0.002561 max=0.002786 Jy/beam ! Clean residual mean=0.000006 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.931222 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 78 components and 0.931222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198806Jy sigma=0.001194 ! Fit after self-cal, rms=0.198794Jy sigma=0.001194 ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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=0.198794Jy sigma=0.001194 ! Fit after self-cal, rms=0.198850Jy sigma=0.001194 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=2.858 mas, bmaj=3.43 mas, bpa=2.37 degrees ! Estimated noise=532.364 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124089 Jy ! Component: 100 - total flux cleaned = 0.00127161 Jy ! Component: 150 - total flux cleaned = 0.00121334 Jy ! Component: 200 - total flux cleaned = 0.00119594 Jy ! Total flux subtracted in 200 components = 0.00119594 Jy ! Clean residual min=-0.002053 max=0.002187 Jy/beam ! Clean residual mean=0.000009 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.932418 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 0.932418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198850Jy sigma=0.001194 ! Fit after self-cal, rms=0.198802Jy sigma=0.001194 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 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 = 0.000164753 Jy ! Component: 100 - total flux cleaned = 0.000124522 Jy ! Component: 150 - total flux cleaned = 9.00646e-05 Jy ! Component: 200 - total flux cleaned = 8.97599e-05 Jy ! Total flux subtracted in 200 components = 8.97599e-05 Jy ! Clean residual min=-0.002082 max=0.002167 Jy/beam ! Clean residual mean=0.000009 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.932508 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 98 components and 0.932508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198806Jy sigma=0.001194 ! Fit after self-cal, rms=0.198801Jy sigma=0.001194 ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7653 mas, bmaj=1.928 mas, bpa=-0.4723 degrees ! Estimated noise=445.117 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7653 x 1.928 at -0.4723 degrees (North through East) ! Clean map min=-0.0022261 max=0.49403 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 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.5463 mas, bmaj=1.29 mas, bpa=-3.689 degrees ! Estimated noise=872.092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.40524 Jy ! Component: 100 - total flux cleaned = 0.605735 Jy ! Component: 150 - total flux cleaned = 0.720777 Jy ! Component: 200 - total flux cleaned = 0.78957 Jy ! Total flux subtracted in 200 components = 0.78957 Jy ! Clean residual min=-0.009975 max=0.037257 Jy/beam ! Clean residual mean=-0.000069 rms=0.003069 Jy/beam ! Combined flux in latest and established models = 0.78957 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 0.78957 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7653 mas, bmaj=1.928 mas, bpa=-0.4723 degrees ! Estimated noise=445.117 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 = 0.0737082 Jy ! Component: 100 - total flux cleaned = 0.104752 Jy ! Component: 150 - total flux cleaned = 0.119956 Jy ! Component: 200 - total flux cleaned = 0.128723 Jy ! Total flux subtracted in 200 components = 0.128723 Jy ! Clean residual min=-0.003146 max=0.009966 Jy/beam ! Clean residual mean=-0.000035 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 0.918293 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 0.918293 Jy ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Added new window around map position (-0.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00812876 Jy ! Component: 100 - total flux cleaned = 0.011857 Jy ! Component: 150 - total flux cleaned = 0.0130147 Jy ! Component: 200 - total flux cleaned = 0.0131058 Jy ! Total flux subtracted in 200 components = 0.0131058 Jy ! Clean residual min=-0.002541 max=0.002957 Jy/beam ! Clean residual mean=0.000004 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.931399 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.931399 Jy ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Added new window around map position (4.8, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166117 Jy ! Component: 100 - total flux cleaned = 0.00166277 Jy ! Component: 150 - total flux cleaned = 0.00173591 Jy ! Component: 200 - total flux cleaned = 0.00180266 Jy ! Total flux subtracted in 200 components = 0.00180266 Jy ! Clean residual min=-0.002494 max=0.002139 Jy/beam ! Clean residual mean=0.000006 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.933202 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 63 components and 0.933202 Jy ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=2.858 mas, bmaj=3.43 mas, bpa=2.37 degrees ! Estimated noise=532.364 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.26934e-05 Jy ! Component: 100 - total flux cleaned = 3.23135e-06 Jy ! Component: 150 - total flux cleaned = -8.51818e-05 Jy ! Component: 200 - total flux cleaned = -0.000160336 Jy ! Total flux subtracted in 200 components = -0.000160336 Jy ! Clean residual min=-0.002112 max=0.001951 Jy/beam ! Clean residual mean=0.000009 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.933041 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 = -6.7512e-05 Jy ! Component: 100 - total flux cleaned = -0.000144646 Jy ! Component: 150 - total flux cleaned = -0.000201652 Jy ! Component: 200 - total flux cleaned = -0.000267511 Jy ! Total flux subtracted in 200 components = -0.000267511 Jy ! Clean residual min=-0.002089 max=0.001954 Jy/beam ! Clean residual mean=0.000009 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.932774 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 83 components and 0.932774 Jy ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! Estimated beam: bmin=0.7653 mas, bmaj=1.928 mas, bpa=-0.4723 degrees ! Estimated noise=445.117 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000345575 Jy ! Component: 100 - total flux cleaned = 0.000345116 Jy ! Component: 150 - total flux cleaned = 0.000346043 Jy ! Component: 200 - total flux cleaned = 0.000288486 Jy ! Total flux subtracted in 200 components = 0.000288486 Jy ! Clean residual min=-0.002498 max=0.002075 Jy/beam ! Clean residual mean=0.000005 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.933062 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 92 components and 0.933062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199139Jy sigma=0.001196 ! Fit after self-cal, rms=0.198830Jy sigma=0.001193 wmodel J0121+0422_X_2001_03_12_pus_map.mod ! Writing 92 model components to file: J0121+0422_X_2001_03_12_pus_map.mod wobs J0121+0422_X_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J0121+0422_X_2001_03_12_pus_uvs.fits wwins J0121+0422_X_2001_03_12_pus_map.win ! wwins: Wrote 5 windows to J0121+0422_X_2001_03_12_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000764045 Jy ! Component: 100 - total flux cleaned = -0.000803717 Jy ! Component: 150 - total flux cleaned = -0.00087679 Jy ! Component: 200 - total flux cleaned = -0.00101957 Jy ! Component: 250 - total flux cleaned = -0.000915231 Jy ! Component: 300 - total flux cleaned = -0.000881369 Jy ! Component: 350 - total flux cleaned = -0.000880766 Jy ! Component: 400 - total flux cleaned = -0.000945918 Jy ! Component: 450 - total flux cleaned = -0.00110579 Jy ! Component: 500 - total flux cleaned = -0.00113753 Jy ! Component: 550 - total flux cleaned = -0.0013247 Jy ! Component: 600 - total flux cleaned = -0.00138594 Jy ! Component: 650 - total flux cleaned = -0.0014168 Jy ! Component: 700 - total flux cleaned = -0.00147756 Jy ! Component: 750 - total flux cleaned = -0.00168432 Jy ! Component: 800 - total flux cleaned = -0.00162533 Jy ! Component: 850 - total flux cleaned = -0.00171189 Jy ! Component: 900 - total flux cleaned = -0.00171215 Jy ! Component: 950 - total flux cleaned = -0.00174048 Jy ! Component: 1000 - total flux cleaned = -0.00182422 Jy ! Component: 1050 - total flux cleaned = -0.0018518 Jy ! Component: 1100 - total flux cleaned = -0.00190689 Jy ! Component: 1150 - total flux cleaned = -0.00196108 Jy ! Component: 1200 - total flux cleaned = -0.00198796 Jy ! Component: 1250 - total flux cleaned = -0.00196131 Jy ! Component: 1300 - total flux cleaned = -0.00198795 Jy ! Component: 1350 - total flux cleaned = -0.002093 Jy ! Component: 1400 - total flux cleaned = -0.00206703 Jy ! Component: 1450 - total flux cleaned = -0.00204151 Jy ! Component: 1500 - total flux cleaned = -0.00217004 Jy ! Component: 1550 - total flux cleaned = -0.00224634 Jy ! Component: 1600 - total flux cleaned = -0.00229662 Jy ! Component: 1650 - total flux cleaned = -0.00239723 Jy ! Component: 1700 - total flux cleaned = -0.0024966 Jy ! Component: 1750 - total flux cleaned = -0.00269466 Jy ! Component: 1800 - total flux cleaned = -0.00271887 Jy ! Component: 1850 - total flux cleaned = -0.00274339 Jy ! Component: 1900 - total flux cleaned = -0.00288923 Jy ! Component: 1950 - total flux cleaned = -0.00298591 Jy ! Component: 2000 - total flux cleaned = -0.00320156 Jy ! Total flux subtracted in 2048 components = -0.0032725 Jy ! Clean residual min=-0.001418 max=0.001199 Jy/beam ! Clean residual mean=0.000007 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.92979 Jy keep ! Adding 137 model components to the UV plane model. ! The established model now contains 228 components and 0.92979 Jy ![Exited script file: muppet] wmap "J0121+0422_X_2001_03_12_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7653 x 1.928 at -0.4723 degrees (North through East) ! Clean map min=-0.0023686 max=0.49227 Jy/beam ! Writing clean map to FITS file: J0121+0422_X_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.492266 invert ! Inverting map ! Your choice of large map pixels excluded 1.89% of the data. ! The x-axis pixel size should ideally be below 0.1694 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000414906 device "J0121+0422_X_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J0121+0422_X_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.252855 0.252855 0.505709 1.01142 2.02284 4.04567 8.09135 16.1827 32.3654 64.7308 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.492 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7653 x 1.928 at -0.4723 degrees (North through East) ! Clean map min=-0.0023686 max=0.49227 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0121+0422_X_2001_03_12_pus_uvs.log closed on Wed Jan 2 19:48:42 2013