! Started logfile: J0141-0928_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:22:52 2013 obs J0141-0928_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0141-0928_X_2000_03_13_pus_uva.fits ! AN table 1: 120 integrations on 190 of 190 possible baselines. ! AN table 2: 123 integrations on 190 of 190 possible baselines. ! AN table 3: 39 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0340239 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0141-0928 ! ! 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 2382 lines of history. ! ! Reading 7292 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 J0141-0928_X_2000_03_13_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 2400 telescope corrections were flagged in sub-array 1. ! A total of 1986 telescope corrections were flagged in sub-array 2. ! A total of 732 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2400 telescope corrections were flagged in sub-array 1. ! A total of 1986 telescope corrections were flagged in sub-array 2. ! A total of 732 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2400 telescope corrections were flagged in sub-array 1. ! A total of 1987 telescope corrections were flagged in sub-array 2. ! A total of 732 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2400 telescope corrections were flagged in sub-array 1. ! A total of 1987 telescope corrections were flagged in sub-array 2. ! A total of 732 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.257413Jy sigma=0.010979 ! Fit after self-cal, rms=0.506006Jy sigma=0.002366 ! 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 4.16% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.5333 mas, bmaj=1.992 mas, bpa=0.0448 degrees ! Estimated noise=1768.11 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 = 0.689443 Jy ! Component: 100 - total flux cleaned = 0.863207 Jy ! Total flux subtracted in 100 components = 0.863207 Jy ! Clean residual min=-0.030025 max=0.078006 Jy/beam ! Clean residual mean=0.000804 rms=0.009795 Jy/beam ! Combined flux in latest and established models = 0.863207 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.863207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.494197Jy sigma=0.001777 ! Fit after self-cal, rms=0.493959Jy sigma=0.001774 ! Inverting map ! Your choice of large map pixels excluded 4.16% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Added new window around map position (1.2, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.078571 Jy ! Component: 100 - total flux cleaned = 0.117123 Jy ! Total flux subtracted in 100 components = 0.117123 Jy ! Clean residual min=-0.022649 max=0.029639 Jy/beam ! Clean residual mean=0.000306 rms=0.005911 Jy/beam ! Combined flux in latest and established models = 0.98033 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.98033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.480713Jy sigma=0.001428 ! Fit after self-cal, rms=0.480350Jy sigma=0.001422 ! Inverting map ! Your choice of large map pixels excluded 4.16% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 4.16% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.602 mas, bmaj=2.141 mas, bpa=-0.6075 degrees ! Estimated noise=1011.69 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 (-1.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0364348 Jy ! Component: 100 - total flux cleaned = 0.0558508 Jy ! Component: 150 - total flux cleaned = 0.0688673 Jy ! Component: 200 - total flux cleaned = 0.073617 Jy ! Total flux subtracted in 200 components = 0.073617 Jy ! Clean residual min=-0.015848 max=0.019765 Jy/beam ! Clean residual mean=0.000104 rms=0.003889 Jy/beam ! Combined flux in latest and established models = 1.05395 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 29 components and 1.05395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.477906Jy sigma=0.001342 ! Fit after self-cal, rms=0.477816Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 4.16% of the data. ! The x-axis pixel size should ideally be below 0.1893 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* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 GC 1.02 KP 0.93 ! LA 1.02 NL 1.08 OV 1.03 PT 1.00 ! SC 1.00* WF 1.00* HH 1.00* KK 0.96 ! MA 1.00* MC 1.00* MK 0.98 NY 1.00* ! ON 1.00* TS 0.99 WZ 1.00* HN 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 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 0.97 GC 1.02 KP 0.91 ! LA 0.98 NL 1.12 OV 1.00 PT 0.95 ! SC 1.00* WF 1.00* HH 1.00* KK 0.96 ! MA 1.00* MC 1.00* MK 1.04 NY 1.00* ! ON 1.00* TS 1.01 WZ 1.00* HN 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.00 GC 1.02 KP 0.92 ! LA 0.98 NL 1.06 OV 1.01 PT 0.97 ! SC 1.00* WF 1.00* HH 1.00* KK 0.94 ! MA 1.00* MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* TS 1.04 WZ 1.00* HN 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 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 0.98 GC 1.01 KP 0.92 ! LA 0.99 NL 1.07 OV 1.02 PT 1.00 ! SC 1.00* WF 1.00* HH 1.00* KK 0.94 ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.05 WZ 1.00* HN 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.477816Jy sigma=0.001340 ! Fit after self-cal, rms=0.464254Jy sigma=0.001268 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.5993 mas, bmaj=2.147 mas, bpa=-0.5511 degrees ! Estimated noise=1023.53 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 = -0.00507217 Jy ! Component: 100 - total flux cleaned = -0.00574312 Jy ! Component: 150 - total flux cleaned = -0.00625858 Jy ! Component: 200 - total flux cleaned = -0.00648058 Jy ! Total flux subtracted in 200 components = -0.00648058 Jy ! Clean residual min=-0.005070 max=0.004796 Jy/beam ! Clean residual mean=0.000058 rms=0.001335 Jy/beam ! Combined flux in latest and established models = 1.04747 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 1.04747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.464017Jy sigma=0.001266 ! Fit after self-cal, rms=0.464018Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.464018Jy sigma=0.001266 ! Fit after self-cal, rms=0.462709Jy sigma=0.001265 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6003 mas, bmaj=2.148 mas, bpa=-0.5443 degrees ! Estimated noise=1023.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00294501 Jy ! Component: 100 - total flux cleaned = -0.00358528 Jy ! Component: 150 - total flux cleaned = -0.00384792 Jy ! Component: 200 - total flux cleaned = -0.00409088 Jy ! Total flux subtracted in 200 components = -0.00409088 Jy ! Clean residual min=-0.004987 max=0.004475 Jy/beam ! Clean residual mean=0.000057 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 1.04338 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 1.04338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.462568Jy sigma=0.001264 ! Fit after self-cal, rms=0.462565Jy sigma=0.001264 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = 0.000132161 Jy ! Component: 100 - total flux cleaned = 6.10345e-05 Jy ! Component: 150 - total flux cleaned = -7.33137e-06 Jy ! Component: 200 - total flux cleaned = -0.000200625 Jy ! Total flux subtracted in 200 components = -0.000200625 Jy ! Clean residual min=-0.004909 max=0.004389 Jy/beam ! Clean residual mean=0.000058 rms=0.001194 Jy/beam ! Combined flux in latest and established models = 1.04318 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 68 components and 1.04318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.462508Jy sigma=0.001263 ! Fit after self-cal, rms=0.462504Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.462504Jy sigma=0.001263 ! Fit after self-cal, rms=0.461408Jy sigma=0.001263 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6009 mas, bmaj=2.148 mas, bpa=-0.5421 degrees ! Estimated noise=1022.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00244725 Jy ! Component: 100 - total flux cleaned = -0.00273334 Jy ! Component: 150 - total flux cleaned = -0.00286314 Jy ! Component: 200 - total flux cleaned = -0.00303842 Jy ! Total flux subtracted in 200 components = -0.00303842 Jy ! Clean residual min=-0.004864 max=0.004234 Jy/beam ! Clean residual mean=0.000054 rms=0.001156 Jy/beam ! Combined flux in latest and established models = 1.04014 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 74 components and 1.04014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461340Jy sigma=0.001263 ! Fit after self-cal, rms=0.461342Jy sigma=0.001263 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = -0.000190487 Jy ! Component: 100 - total flux cleaned = -0.000135716 Jy ! Component: 150 - total flux cleaned = -0.000135537 Jy ! Component: 200 - total flux cleaned = -0.000274537 Jy ! Total flux subtracted in 200 components = -0.000274537 Jy ! Clean residual min=-0.004781 max=0.004202 Jy/beam ! Clean residual mean=0.000056 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 1.03986 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 76 components and 1.03986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461318Jy sigma=0.001263 ! Fit after self-cal, rms=0.461314Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.461314Jy sigma=0.001263 ! Fit after self-cal, rms=0.459965Jy sigma=0.001262 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=2.235 mas, bmaj=4.116 mas, bpa=25.76 degrees ! Estimated noise=1493.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00301201 Jy ! Component: 100 - total flux cleaned = -0.00358856 Jy ! Component: 150 - total flux cleaned = -0.00377548 Jy ! Component: 200 - total flux cleaned = -0.00395253 Jy ! Total flux subtracted in 200 components = -0.00395253 Jy ! Clean residual min=-0.005677 max=0.006669 Jy/beam ! Clean residual mean=0.000159 rms=0.001810 Jy/beam ! Combined flux in latest and established models = 1.03591 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 81 components and 1.03591 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.459932Jy sigma=0.001262 ! Fit after self-cal, rms=0.459927Jy sigma=0.001262 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = -0.000186783 Jy ! Component: 100 - total flux cleaned = -0.000393637 Jy ! Component: 150 - total flux cleaned = -0.000536099 Jy ! Component: 200 - total flux cleaned = -0.000712825 Jy ! Total flux subtracted in 200 components = -0.000712825 Jy ! Clean residual min=-0.005584 max=0.006725 Jy/beam ! Clean residual mean=0.000169 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 1.0352 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 85 components and 1.0352 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.459912Jy sigma=0.001263 ! Fit after self-cal, rms=0.459898Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6015 mas, bmaj=2.148 mas, bpa=-0.5413 degrees ! Estimated noise=1021.46 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6015 x 2.148 at -0.5413 degrees (North through East) ! Clean map min=-0.0041175 max=0.86302 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=0.459898Jy sigma=0.001263 ! Fit after self-cal, rms=0.724882Jy sigma=0.001115 ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6015 mas, bmaj=2.149 mas, bpa=-0.5668 degrees ! Estimated noise=1020.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.17412e-05 Jy ! Component: 100 - total flux cleaned = 7.8975e-05 Jy ! Component: 150 - total flux cleaned = 0.000205105 Jy ! Component: 200 - total flux cleaned = 0.000163721 Jy ! Total flux subtracted in 200 components = 0.000163721 Jy ! Clean residual min=-0.004315 max=0.003521 Jy/beam ! Clean residual mean=0.000007 rms=0.000970 Jy/beam ! Combined flux in latest and established models = 1.03536 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 99 components and 1.03536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.724840Jy sigma=0.001114 ! Fit after self-cal, rms=0.724823Jy sigma=0.001114 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.27328e-05 Jy ! Component: 100 - total flux cleaned = 5.52055e-05 Jy ! Component: 150 - total flux cleaned = 1.89821e-05 Jy ! Component: 200 - total flux cleaned = 2.01698e-05 Jy ! Total flux subtracted in 200 components = 2.01698e-05 Jy ! Clean residual min=-0.004214 max=0.003480 Jy/beam ! Clean residual mean=0.000007 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 1.03538 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 103 components and 1.03538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.724818Jy sigma=0.001114 ! Fit after self-cal, rms=0.724819Jy sigma=0.001114 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.724819Jy sigma=0.001114 ! Fit after self-cal, rms=0.722280Jy sigma=0.001113 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.5329 mas, bmaj=1.978 mas, bpa=0.05817 degrees ! Estimated noise=1802.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.685978 Jy ! Component: 100 - total flux cleaned = 0.856975 Jy ! Component: 150 - total flux cleaned = 0.931064 Jy ! Component: 200 - total flux cleaned = 0.966778 Jy ! Total flux subtracted in 200 components = 0.966778 Jy ! Clean residual min=-0.010973 max=0.017583 Jy/beam ! Clean residual mean=0.000272 rms=0.003430 Jy/beam ! Combined flux in latest and established models = 0.966777 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.966777 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6018 mas, bmaj=2.149 mas, bpa=-0.5767 degrees ! Estimated noise=1020.9 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 = 0.0301944 Jy ! Component: 100 - total flux cleaned = 0.0457258 Jy ! Component: 150 - total flux cleaned = 0.0543968 Jy ! Component: 200 - total flux cleaned = 0.0597118 Jy ! Total flux subtracted in 200 components = 0.0597118 Jy ! Clean residual min=-0.004893 max=0.003968 Jy/beam ! Clean residual mean=0.000067 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 1.02649 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 32 components and 1.02649 Jy ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=2.235 mas, bmaj=4.11 mas, bpa=25.67 degrees ! Estimated noise=1493.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00458751 Jy ! Component: 100 - total flux cleaned = 0.00656321 Jy ! Component: 150 - total flux cleaned = 0.0068207 Jy ! Component: 200 - total flux cleaned = 0.00699035 Jy ! Total flux subtracted in 200 components = 0.00699035 Jy ! Clean residual min=-0.005025 max=0.004406 Jy/beam ! Clean residual mean=0.000038 rms=0.001296 Jy/beam ! Combined flux in latest and established models = 1.03348 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 = 0.000151703 Jy ! Component: 100 - total flux cleaned = 0.000286141 Jy ! Component: 150 - total flux cleaned = 0.000327561 Jy ! Component: 200 - total flux cleaned = 0.000404032 Jy ! Total flux subtracted in 200 components = 0.000404032 Jy ! Clean residual min=-0.004974 max=0.004469 Jy/beam ! Clean residual mean=0.000030 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 1.03388 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 51 components and 1.03388 Jy ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6018 mas, bmaj=2.149 mas, bpa=-0.5767 degrees ! Estimated noise=1020.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00115342 Jy ! Component: 100 - total flux cleaned = -0.000845482 Jy ! Component: 150 - total flux cleaned = -0.000675001 Jy ! Component: 200 - total flux cleaned = -0.00060333 Jy ! Total flux subtracted in 200 components = -0.00060333 Jy ! Clean residual min=-0.004248 max=0.003298 Jy/beam ! Clean residual mean=0.000018 rms=0.000991 Jy/beam ! Combined flux in latest and established models = 1.03328 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 63 components and 1.03328 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.722359Jy sigma=0.001115 ! Fit after self-cal, rms=0.722365Jy sigma=0.001115 wmodel J0141-0928_X_2000_03_13_pus_map.mod ! Writing 63 model components to file: J0141-0928_X_2000_03_13_pus_map.mod wobs J0141-0928_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0141-0928_X_2000_03_13_pus_uvs.fits wwins J0141-0928_X_2000_03_13_pus_map.win ! wwins: Wrote 3 windows to J0141-0928_X_2000_03_13_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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.0018343 Jy ! Component: 100 - total flux cleaned = -0.00191247 Jy ! Component: 150 - total flux cleaned = -0.00190831 Jy ! Component: 200 - total flux cleaned = -0.00201732 Jy ! Component: 250 - total flux cleaned = -0.00223007 Jy ! Component: 300 - total flux cleaned = -0.00233217 Jy ! Component: 350 - total flux cleaned = -0.00233212 Jy ! Component: 400 - total flux cleaned = -0.00209486 Jy ! Component: 450 - total flux cleaned = -0.00186333 Jy ! Component: 500 - total flux cleaned = -0.00172707 Jy ! Component: 550 - total flux cleaned = -0.00141939 Jy ! Component: 600 - total flux cleaned = -0.0012477 Jy ! Component: 650 - total flux cleaned = -0.00107939 Jy ! Component: 700 - total flux cleaned = -0.000874776 Jy ! Component: 750 - total flux cleaned = -0.000954349 Jy ! Component: 800 - total flux cleaned = -0.000795946 Jy ! Component: 850 - total flux cleaned = -0.000718939 Jy ! Component: 900 - total flux cleaned = -0.000757432 Jy ! Component: 950 - total flux cleaned = -0.000795145 Jy ! Component: 1000 - total flux cleaned = -0.000759022 Jy ! Component: 1050 - total flux cleaned = -0.000795531 Jy ! Component: 1100 - total flux cleaned = -0.000867224 Jy ! Component: 1150 - total flux cleaned = -0.00097262 Jy ! Component: 1200 - total flux cleaned = -0.000903525 Jy ! Component: 1250 - total flux cleaned = -0.000903611 Jy ! Component: 1300 - total flux cleaned = -0.000937482 Jy ! Component: 1350 - total flux cleaned = -0.00090394 Jy ! Component: 1400 - total flux cleaned = -0.000904036 Jy ! Component: 1450 - total flux cleaned = -0.000806744 Jy ! Component: 1500 - total flux cleaned = -0.000838821 Jy ! Component: 1550 - total flux cleaned = -0.000775488 Jy ! Component: 1600 - total flux cleaned = -0.000712855 Jy ! Component: 1650 - total flux cleaned = -0.000651298 Jy ! Component: 1700 - total flux cleaned = -0.000590104 Jy ! Component: 1750 - total flux cleaned = -0.000529655 Jy ! Component: 1800 - total flux cleaned = -0.000380654 Jy ! Component: 1850 - total flux cleaned = -0.000292822 Jy ! Component: 1900 - total flux cleaned = -0.000176707 Jy ! Component: 1950 - total flux cleaned = -0.000119327 Jy ! Component: 2000 - total flux cleaned = -6.25401e-05 Jy ! Total flux subtracted in 2048 components = 2.16313e-05 Jy ! Clean residual min=-0.001904 max=0.001738 Jy/beam ! Clean residual mean=0.000013 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 1.0333 Jy keep ! Adding 121 model components to the UV plane model. ! The established model now contains 184 components and 1.0333 Jy ![Exited script file: muppet] wmap "J0141-0928_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6018 x 2.149 at -0.5767 degrees (North through East) ! Clean map min=-0.0032429 max=0.86889 Jy/beam ! Writing clean map to FITS file: J0141-0928_X_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.86889 invert ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000527661 device "J0141-0928_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0141-0928_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.182185 0.182185 0.364369 0.728738 1.45748 2.91495 5.82991 11.6598 23.3196 46.6393 93.2785 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.868 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6018 x 2.149 at -0.5767 degrees (North through East) ! Clean map min=-0.0032429 max=0.86889 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0141-0928_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:23:00 2013