! Started logfile: J0825+0309_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:19:03 2010 obs J0825+0309_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0825+0309_X_2007_12_05_pus_uva.fits ! AN table 1: 37 integrations on 136 of 136 possible baselines. ! AN table 2: 152 integrations on 136 of 136 possible baselines. ! AN table 3: 220 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.107076 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0825+0309 ! ! 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 1501 lines of history. ! ! Reading 23824 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 518 telescope corrections were flagged in sub-array 1. ! A total of 1796 telescope corrections were flagged in sub-array 2. ! A total of 2425 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 518 telescope corrections were flagged in sub-array 1. ! A total of 1796 telescope corrections were flagged in sub-array 2. ! A total of 2425 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 518 telescope corrections were flagged in sub-array 1. ! A total of 1796 telescope corrections were flagged in sub-array 2. ! A total of 2425 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 554 telescope corrections were flagged in sub-array 1. ! A total of 1917 telescope corrections were flagged in sub-array 2. ! A total of 2547 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.609186Jy sigma=0.004089 ! Fit after self-cal, rms=0.284853Jy sigma=0.001683 ! 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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7194 mas, bmaj=1.083 mas, bpa=17.78 degrees ! Estimated noise=1027.55 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 = 0.778764 Jy ! Component: 100 - total flux cleaned = 0.971012 Jy ! Total flux subtracted in 100 components = 0.971012 Jy ! Clean residual min=-0.029328 max=0.085989 Jy/beam ! Clean residual mean=0.000896 rms=0.008367 Jy/beam ! Combined flux in latest and established models = 0.971012 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.971012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291366Jy sigma=0.001703 ! Fit after self-cal, rms=0.291148Jy sigma=0.001702 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Added new window around map position (0.6, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0867406 Jy ! Component: 100 - total flux cleaned = 0.132909 Jy ! Total flux subtracted in 100 components = 0.132909 Jy ! Clean residual min=-0.023570 max=0.040264 Jy/beam ! Clean residual mean=0.000321 rms=0.005253 Jy/beam ! Combined flux in latest and established models = 1.10392 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 1.10392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263585Jy sigma=0.001460 ! Fit after self-cal, rms=0.262381Jy sigma=0.001450 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Added new window around map position (1.2, 2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0354423 Jy ! Component: 100 - total flux cleaned = 0.0458342 Jy ! Total flux subtracted in 100 components = 0.0458343 Jy ! Clean residual min=-0.021404 max=0.028904 Jy/beam ! Clean residual mean=0.000133 rms=0.004337 Jy/beam ! Combined flux in latest and established models = 1.14976 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 1.14976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.257382Jy sigma=0.001416 ! Fit after self-cal, rms=0.256614Jy sigma=0.001412 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8687 mas, bmaj=1.188 mas, bpa=56.21 degrees ! Estimated noise=671.312 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 = -0.0136131 Jy ! Component: 100 - total flux cleaned = -0.00949276 Jy ! Component: 150 - total flux cleaned = -0.0045854 Jy ! Component: 200 - total flux cleaned = -0.00216194 Jy ! Total flux subtracted in 200 components = -0.00216194 Jy ! Clean residual min=-0.025958 max=0.019560 Jy/beam ! Clean residual mean=0.000189 rms=0.006086 Jy/beam ! Combined flux in latest and established models = 1.14759 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 31 components and 1.14759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247904Jy sigma=0.001376 ! Fit after self-cal, rms=0.247618Jy sigma=0.001375 ! Inverting map ! Your choice of large map pixels excluded 4.38% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.99 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.94 ON 1.00* OV 1.00* ! PT 1.00* SV 1.03 TS 0.97 WZ 1.07 ! ZC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.88 HN 1.06 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.01 NY 0.96 ON 1.02 OV 1.00* ! PT 1.00* SV 1.07 TS 1.00* WZ 1.07 ! ZC 1.10 ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 0.97 HH 0.88 HN 1.06 ! KB 1.00* KP 1.00 LA 0.97 MK 1.00* ! NL 1.01 NY 0.91 ON 1.02 OV 0.95 ! PT 0.96 SV 1.03 TS 1.00* WZ 1.10 ! ZC 1.06 ! ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.98 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.92 ON 1.00* OV 1.00* ! PT 1.00* SV 0.98 TS 1.03 WZ 1.06 ! ZC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.89 HN 1.02 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.98 NY 0.95 ON 1.01 OV 1.00* ! PT 1.00* SV 1.02 TS 1.00* WZ 1.07 ! ZC 1.12 ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 HH 0.90 HN 1.06 ! KB 1.00* KP 0.96 LA 0.96 MK 1.00* ! NL 0.99 NY 0.92 ON 1.02 OV 0.93 ! PT 1.00 SV 0.99 TS 1.00* WZ 1.09 ! ZC 1.08 ! ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.04 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 1.00* OV 1.00* ! PT 1.00* SV 0.99 TS 0.99 WZ 1.06 ! ZC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.92 HN 1.02 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00 NY 0.98 ON 0.99 OV 1.00* ! PT 1.00* SV 1.00 TS 1.00* WZ 1.04 ! ZC 1.08 ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.96 HH 0.91 HN 1.05 ! KB 1.00* KP 0.99 LA 0.99 MK 1.00* ! NL 0.99 NY 0.96 ON 0.99 OV 0.98 ! PT 1.02 SV 0.96 TS 1.00* WZ 1.06 ! ZC 1.04 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.01 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 1.00* OV 1.00* ! PT 1.00* SV 0.98 TS 1.00 WZ 0.97 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.98 NY 0.96 ON 1.01 OV 1.00* ! PT 1.00* SV 1.01 TS 1.00* WZ 1.02 ! ZC 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 HH 0.89 HN 1.10 ! KB 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 0.99 NY 0.93 ON 1.00 OV 0.96 ! PT 1.01 SV 0.95 TS 1.00* WZ 1.05 ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.247618Jy sigma=0.001375 ! Fit after self-cal, rms=0.227256Jy sigma=0.001252 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8449 mas, bmaj=1.194 mas, bpa=60.2 degrees ! Estimated noise=676.242 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 (2.2, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00867952 Jy ! Component: 100 - total flux cleaned = 0.00655589 Jy ! Component: 150 - total flux cleaned = 0.00572 Jy ! Component: 200 - total flux cleaned = 0.00501554 Jy ! Total flux subtracted in 200 components = 0.00501554 Jy ! Clean residual min=-0.008983 max=0.006924 Jy/beam ! Clean residual mean=-0.000143 rms=0.001852 Jy/beam ! Combined flux in latest and established models = 1.15261 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 1.15261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225827Jy sigma=0.001243 ! Fit after self-cal, rms=0.225403Jy sigma=0.001242 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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=0.225403Jy sigma=0.001242 ! Fit after self-cal, rms=0.224037Jy sigma=0.001231 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.844 mas, bmaj=1.195 mas, bpa=60.36 degrees ! Estimated noise=674.748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196182 Jy ! Component: 100 - total flux cleaned = 0.0017782 Jy ! Component: 150 - total flux cleaned = 0.00178116 Jy ! Component: 200 - total flux cleaned = 0.0016311 Jy ! Total flux subtracted in 200 components = 0.0016311 Jy ! Clean residual min=-0.007966 max=0.005774 Jy/beam ! Clean residual mean=-0.000085 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 1.15424 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 1.15424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223584Jy sigma=0.001228 ! Fit after self-cal, rms=0.223544Jy sigma=0.001228 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 = 0.000954186 Jy ! Component: 100 - total flux cleaned = 0.00109262 Jy ! Component: 150 - total flux cleaned = 0.000829409 Jy ! Component: 200 - total flux cleaned = 0.000709404 Jy ! Total flux subtracted in 200 components = 0.000709404 Jy ! Clean residual min=-0.007607 max=0.005478 Jy/beam ! Clean residual mean=-0.000088 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 1.15495 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 1.15495 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223336Jy sigma=0.001227 ! Fit after self-cal, rms=0.223320Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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=0.223320Jy sigma=0.001226 ! Fit after self-cal, rms=0.223382Jy sigma=0.001225 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8436 mas, bmaj=1.198 mas, bpa=60.62 degrees ! Estimated noise=674.548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00169078 Jy ! Component: 100 - total flux cleaned = -0.00155689 Jy ! Component: 150 - total flux cleaned = -0.00155557 Jy ! Component: 200 - total flux cleaned = -0.00155094 Jy ! Total flux subtracted in 200 components = -0.00155094 Jy ! Clean residual min=-0.007124 max=0.005138 Jy/beam ! Clean residual mean=-0.000061 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 1.1534 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 1.1534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223165Jy sigma=0.001224 ! Fit after self-cal, rms=0.223154Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 = 0.000277518 Jy ! Component: 100 - total flux cleaned = 0.000179818 Jy ! Component: 150 - total flux cleaned = -1.25672e-05 Jy ! Component: 200 - total flux cleaned = -0.000107043 Jy ! Total flux subtracted in 200 components = -0.000107043 Jy ! Clean residual min=-0.006956 max=0.005058 Jy/beam ! Clean residual mean=-0.000060 rms=0.001382 Jy/beam ! Combined flux in latest and established models = 1.15329 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 57 components and 1.15329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223026Jy sigma=0.001223 ! Fit after self-cal, rms=0.223019Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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=0.223019Jy sigma=0.001223 ! Fit after self-cal, rms=0.223010Jy sigma=0.001223 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.254 mas, bmaj=3.644 mas, bpa=20.05 degrees ! Estimated noise=747.833 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00167017 Jy ! Component: 100 - total flux cleaned = -0.00206657 Jy ! Component: 150 - total flux cleaned = -0.00225219 Jy ! Component: 200 - total flux cleaned = -0.00224931 Jy ! Total flux subtracted in 200 components = -0.00224931 Jy ! Clean residual min=-0.005356 max=0.004669 Jy/beam ! Clean residual mean=-0.000091 rms=0.001477 Jy/beam ! Combined flux in latest and established models = 1.15104 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 65 components and 1.15104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222989Jy sigma=0.001222 ! Fit after self-cal, rms=0.222970Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 = 5.26125e-05 Jy ! Component: 100 - total flux cleaned = 0.000181623 Jy ! Component: 150 - total flux cleaned = 0.000153642 Jy ! Component: 200 - total flux cleaned = 0.000126221 Jy ! Total flux subtracted in 200 components = 0.000126221 Jy ! Clean residual min=-0.005325 max=0.004709 Jy/beam ! Clean residual mean=-0.000091 rms=0.001468 Jy/beam ! Combined flux in latest and established models = 1.15117 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 68 components and 1.15117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222953Jy sigma=0.001222 ! Fit after self-cal, rms=0.222949Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.843 mas, bmaj=1.201 mas, bpa=60.84 degrees ! Estimated noise=674.52 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.843 x 1.201 at 60.84 degrees (North through East) ! Clean map min=-0.0057863 max=0.95394 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=0.222949Jy sigma=0.001222 ! Fit after self-cal, rms=0.205069Jy sigma=0.001069 ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8428 mas, bmaj=1.2 mas, bpa=60.71 degrees ! Estimated noise=673.288 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00162775 Jy ! Component: 100 - total flux cleaned = -0.00202592 Jy ! Component: 150 - total flux cleaned = -0.00220133 Jy ! Component: 200 - total flux cleaned = -0.00228339 Jy ! Total flux subtracted in 200 components = -0.00228339 Jy ! Clean residual min=-0.006052 max=0.004723 Jy/beam ! Clean residual mean=-0.000036 rms=0.001219 Jy/beam ! Combined flux in latest and established models = 1.14889 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 1.14889 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204963Jy sigma=0.001069 ! Fit after self-cal, rms=0.204962Jy sigma=0.001069 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.68957e-05 Jy ! Component: 100 - total flux cleaned = -0.000121653 Jy ! Component: 150 - total flux cleaned = -0.000196422 Jy ! Component: 200 - total flux cleaned = -0.0003422 Jy ! Total flux subtracted in 200 components = -0.0003422 Jy ! Clean residual min=-0.005959 max=0.004631 Jy/beam ! Clean residual mean=-0.000034 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 1.14854 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 1.14854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204888Jy sigma=0.001068 ! Fit after self-cal, rms=0.204884Jy sigma=0.001068 ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204884Jy sigma=0.001068 ! Fit after self-cal, rms=0.204827Jy sigma=0.001068 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 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7382 mas, bmaj=1.05 mas, bpa=21.82 degrees ! Estimated noise=1013.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.765663 Jy ! Component: 100 - total flux cleaned = 0.950949 Jy ! Component: 150 - total flux cleaned = 1.02697 Jy ! Component: 200 - total flux cleaned = 1.06823 Jy ! Total flux subtracted in 200 components = 1.06823 Jy ! Clean residual min=-0.012108 max=0.022956 Jy/beam ! Clean residual mean=0.000317 rms=0.003061 Jy/beam ! Combined flux in latest and established models = 1.06823 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 1.06823 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8424 mas, bmaj=1.202 mas, bpa=60.82 degrees ! Estimated noise=673.138 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 = 0.0316437 Jy ! Component: 100 - total flux cleaned = 0.0505337 Jy ! Component: 150 - total flux cleaned = 0.0591006 Jy ! Component: 200 - total flux cleaned = 0.0617616 Jy ! Total flux subtracted in 200 components = 0.0617616 Jy ! Clean residual min=-0.008944 max=0.009729 Jy/beam ! Clean residual mean=0.000039 rms=0.001973 Jy/beam ! Combined flux in latest and established models = 1.13 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 30 components and 1.13 Jy ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Added new window around map position (-0.4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.001611 Jy ! Component: 100 - total flux cleaned = 0.0039257 Jy ! Component: 150 - total flux cleaned = 0.00595455 Jy ! Component: 200 - total flux cleaned = 0.007169 Jy ! Total flux subtracted in 200 components = 0.007169 Jy ! Clean residual min=-0.006798 max=0.006719 Jy/beam ! Clean residual mean=0.000011 rms=0.001511 Jy/beam ! Combined flux in latest and established models = 1.13717 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 41 components and 1.13717 Jy ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 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 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.256 mas, bmaj=3.647 mas, bpa=20.11 degrees ! Estimated noise=745.808 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00359263 Jy ! Component: 100 - total flux cleaned = 0.00475582 Jy ! Component: 150 - total flux cleaned = 0.00559152 Jy ! Component: 200 - total flux cleaned = 0.006157 Jy ! Total flux subtracted in 200 components = 0.006157 Jy ! Clean residual min=-0.004683 max=0.003843 Jy/beam ! Clean residual mean=-0.000029 rms=0.001302 Jy/beam ! Combined flux in latest and established models = 1.14332 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 = 0.000442374 Jy ! Component: 100 - total flux cleaned = 0.000841402 Jy ! Component: 150 - total flux cleaned = 0.00120919 Jy ! Component: 200 - total flux cleaned = 0.00152322 Jy ! Total flux subtracted in 200 components = 0.00152322 Jy ! Clean residual min=-0.004645 max=0.003932 Jy/beam ! Clean residual mean=-0.000040 rms=0.001267 Jy/beam ! Combined flux in latest and established models = 1.14485 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 71 components and 1.14485 Jy ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.8424 mas, bmaj=1.202 mas, bpa=60.82 degrees ! Estimated noise=673.138 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000841226 Jy ! Component: 100 - total flux cleaned = -0.00103847 Jy ! Component: 150 - total flux cleaned = -0.00102536 Jy ! Component: 200 - total flux cleaned = -0.0013633 Jy ! Total flux subtracted in 200 components = -0.0013633 Jy ! Clean residual min=-0.005266 max=0.004285 Jy/beam ! Clean residual mean=-0.000013 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 1.14348 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 75 components and 1.14348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205657Jy sigma=0.001072 ! Fit after self-cal, rms=0.205637Jy sigma=0.001072 wmodel J0825+0309_X_2007_12_05_pus_map.mod ! Writing 75 model components to file: J0825+0309_X_2007_12_05_pus_map.mod wobs J0825+0309_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0825+0309_X_2007_12_05_pus_uvs.fits wwins J0825+0309_X_2007_12_05_pus_map.win ! wwins: Wrote 5 windows to J0825+0309_X_2007_12_05_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 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00239818 Jy ! Component: 100 - total flux cleaned = -0.00434625 Jy ! Component: 150 - total flux cleaned = -0.00521623 Jy ! Component: 200 - total flux cleaned = -0.00559373 Jy ! Component: 250 - total flux cleaned = -0.00588684 Jy ! Component: 300 - total flux cleaned = -0.00637766 Jy ! Component: 350 - total flux cleaned = -0.00664937 Jy ! Component: 400 - total flux cleaned = -0.00710901 Jy ! Component: 450 - total flux cleaned = -0.00723564 Jy ! Component: 500 - total flux cleaned = -0.00748555 Jy ! Component: 550 - total flux cleaned = -0.00779042 Jy ! Component: 600 - total flux cleaned = -0.00814774 Jy ! Component: 650 - total flux cleaned = -0.00843899 Jy ! Component: 700 - total flux cleaned = -0.00855411 Jy ! Component: 750 - total flux cleaned = -0.00883435 Jy ! Component: 800 - total flux cleaned = -0.00899866 Jy ! Component: 850 - total flux cleaned = -0.00894341 Jy ! Component: 900 - total flux cleaned = -0.00899691 Jy ! Component: 950 - total flux cleaned = -0.00904966 Jy ! Component: 1000 - total flux cleaned = -0.00904859 Jy ! Component: 1050 - total flux cleaned = -0.00904802 Jy ! Component: 1100 - total flux cleaned = -0.00904793 Jy ! Component: 1150 - total flux cleaned = -0.00914588 Jy ! Component: 1200 - total flux cleaned = -0.00924162 Jy ! Component: 1250 - total flux cleaned = -0.0091936 Jy ! Component: 1300 - total flux cleaned = -0.00924064 Jy ! Component: 1350 - total flux cleaned = -0.00937971 Jy ! Component: 1400 - total flux cleaned = -0.00937924 Jy ! Component: 1450 - total flux cleaned = -0.00924376 Jy ! Component: 1500 - total flux cleaned = -0.00937731 Jy ! Component: 1550 - total flux cleaned = -0.00924482 Jy ! Component: 1600 - total flux cleaned = -0.0092886 Jy ! Component: 1650 - total flux cleaned = -0.00928817 Jy ! Component: 1700 - total flux cleaned = -0.00924511 Jy ! Component: 1750 - total flux cleaned = -0.0092454 Jy ! Component: 1800 - total flux cleaned = -0.00937043 Jy ! Component: 1850 - total flux cleaned = -0.00937025 Jy ! Component: 1900 - total flux cleaned = -0.00941068 Jy ! Component: 1950 - total flux cleaned = -0.00928876 Jy ! Component: 2000 - total flux cleaned = -0.00928873 Jy ! Total flux subtracted in 2048 components = -0.00928885 Jy ! Clean residual min=-0.002786 max=0.002490 Jy/beam ! Clean residual mean=0.000018 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 1.13419 Jy keep ! Adding 143 model components to the UV plane model. ! The established model now contains 216 components and 1.13419 Jy wmap "J0825+0309_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8424 x 1.202 at 60.82 degrees (North through East) ! Clean map min=-0.0036097 max=0.94222 Jy/beam ! Writing clean map to FITS file: J0825+0309_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.942224 invert ! Inverting map ! Your choice of large map pixels excluded 4.43% of the data. ! The x-axis pixel size should ideally be below 0.1974 milli-arcsec ! The y-axis pixel size should ideally be below 0.1863 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000700577 device "J0825+0309_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0825+0309_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.22306 0.22306 0.446121 0.892242 1.78448 3.56897 7.13793 14.2759 28.5517 57.1035 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.942 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8424 x 1.202 at 60.82 degrees (North through East) ! Clean map min=-0.0036097 max=0.94222 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0825+0309_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0825+0309_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0825+0309_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:19:11 2010