! Started logfile: J0203+1134_X_2003_06_18_pus_uvs.log on Wed Jan 17 16:12:39 2007 obs J0203+1134_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0203+1134_X_2003_06_18_pus_uva.fits ! AN table 1: Unused. ! AN table 2: 14 integrations on 153 of 153 possible baselines. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: 30 integrations on 153 of 153 possible baselines. ! AN table 6: 22 integrations on 153 of 153 possible baselines. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.0912062 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0203+1134 ! ! 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 2231 lines of history. ! ! Reading 3684 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float taper_size taper_size = 70. integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 410 telescope corrections were flagged in sub-array 2. ! A total of 372 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 410 telescope corrections were flagged in sub-array 2. ! A total of 372 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 410 telescope corrections were flagged in sub-array 2. ! A total of 372 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 410 telescope corrections were flagged in sub-array 2. ! A total of 372 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.517747Jy sigma=0.007868 ! Fit after self-cal, rms=0.470768Jy sigma=0.007483 ! 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 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5375 mas, bmaj=1.53 mas, bpa=-1.244 degrees ! Estimated noise=1513.1 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 = 0.419333 Jy ! Component: 100 - total flux cleaned = 0.523303 Jy ! Total flux subtracted in 100 components = 0.523303 Jy ! Clean residual min=-0.032054 max=0.051505 Jy/beam ! Clean residual mean=0.000992 rms=0.011797 Jy/beam ! Combined flux in latest and established models = 0.523303 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.523303 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166924Jy sigma=0.002433 ! Fit after self-cal, rms=0.166769Jy sigma=0.002430 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.6299 mas, bmaj=1.724 mas, bpa=-3.109 degrees ! Estimated noise=1350.48 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 = 0.065894 Jy ! Component: 100 - total flux cleaned = 0.0984739 Jy ! Component: 150 - total flux cleaned = 0.115922 Jy ! Component: 200 - total flux cleaned = 0.125401 Jy ! Total flux subtracted in 200 components = 0.125401 Jy ! Clean residual min=-0.018904 max=0.026194 Jy/beam ! Clean residual mean=-0.000286 rms=0.006096 Jy/beam ! Combined flux in latest and established models = 0.648704 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.648704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141564Jy sigma=0.002042 ! Fit after self-cal, rms=0.140860Jy sigma=0.002036 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.01 LA 0.92 MA 1.00* ! MK 0.89 NL 1.00* ON 1.00* OV 0.96 ! PT 0.99 SC 1.00* TC 1.00* TS 0.99 ! WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 0.95 MA 1.00* ! MK 0.92 NL 1.00* ON 1.00* OV 0.95 ! PT 1.03 SC 1.00* TC 1.00* TS 1.00 ! WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.15 FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.07 LA 0.99 MA 1.00* ! MK 0.97 NL 1.00* ON 1.00* OV 0.97 ! PT 1.08 SC 1.00* TC 1.00* TS 0.97 ! WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.98 MA 1.00* ! MK 1.03 NL 1.00* ON 1.00* OV 0.95 ! PT 1.11 SC 1.00* TC 1.00* TS 0.98 ! WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.140860Jy sigma=0.002036 ! Fit after self-cal, rms=0.125662Jy sigma=0.001935 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5938 mas, bmaj=1.907 mas, bpa=-3.226 degrees ! Estimated noise=1413.02 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 = 0.00213277 Jy ! Component: 100 - total flux cleaned = 0.0005777 Jy ! Component: 150 - total flux cleaned = -0.000263182 Jy ! Component: 200 - total flux cleaned = -0.000989705 Jy ! Total flux subtracted in 200 components = -0.000989705 Jy ! Clean residual min=-0.012079 max=0.011486 Jy/beam ! Clean residual mean=-0.000471 rms=0.004035 Jy/beam ! Combined flux in latest and established models = 0.647714 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 22 components and 0.647714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124947Jy sigma=0.001918 ! Fit after self-cal, rms=0.125013Jy sigma=0.001916 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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=0.125013Jy sigma=0.001916 ! Fit after self-cal, rms=0.123629Jy sigma=0.001897 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5937 mas, bmaj=1.907 mas, bpa=-3.251 degrees ! Estimated noise=1410.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000788016 Jy ! Component: 100 - total flux cleaned = -0.0014774 Jy ! Component: 150 - total flux cleaned = -0.00208547 Jy ! Component: 200 - total flux cleaned = -0.00261871 Jy ! Total flux subtracted in 200 components = -0.00261871 Jy ! Clean residual min=-0.011302 max=0.009860 Jy/beam ! Clean residual mean=-0.000338 rms=0.003374 Jy/beam ! Combined flux in latest and established models = 0.645095 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 23 components and 0.645096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123344Jy sigma=0.001890 ! Fit after self-cal, rms=0.123307Jy sigma=0.001890 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 = 1.34596e-05 Jy ! Component: 100 - total flux cleaned = -0.000350369 Jy ! Component: 150 - total flux cleaned = -0.000677401 Jy ! Component: 200 - total flux cleaned = -0.00106624 Jy ! Total flux subtracted in 200 components = -0.00106624 Jy ! Clean residual min=-0.011130 max=0.009485 Jy/beam ! Clean residual mean=-0.000291 rms=0.003290 Jy/beam ! Combined flux in latest and established models = 0.644029 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.644029 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123173Jy sigma=0.001886 ! Fit after self-cal, rms=0.123147Jy sigma=0.001886 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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=0.123147Jy sigma=0.001886 ! Fit after self-cal, rms=0.122976Jy sigma=0.001878 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5925 mas, bmaj=1.908 mas, bpa=-3.255 degrees ! Estimated noise=1409.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000809973 Jy ! Component: 100 - total flux cleaned = 0.000418804 Jy ! Component: 150 - total flux cleaned = 0.000159396 Jy ! Component: 200 - total flux cleaned = -0.000149249 Jy ! Total flux subtracted in 200 components = -0.000149249 Jy ! Clean residual min=-0.010569 max=0.009509 Jy/beam ! Clean residual mean=-0.000305 rms=0.003073 Jy/beam ! Combined flux in latest and established models = 0.64388 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.64388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122899Jy sigma=0.001875 ! Fit after self-cal, rms=0.122896Jy sigma=0.001875 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 = -8.79125e-05 Jy ! Component: 100 - total flux cleaned = -0.000233503 Jy ! Component: 150 - total flux cleaned = -0.00048875 Jy ! Component: 200 - total flux cleaned = -0.000658575 Jy ! Total flux subtracted in 200 components = -0.000658575 Jy ! Clean residual min=-0.010515 max=0.009454 Jy/beam ! Clean residual mean=-0.000276 rms=0.003048 Jy/beam ! Combined flux in latest and established models = 0.643222 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 24 components and 0.643222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122863Jy sigma=0.001874 ! Fit after self-cal, rms=0.122850Jy sigma=0.001874 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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=0.122850Jy sigma=0.001874 ! Fit after self-cal, rms=0.122863Jy sigma=0.001874 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=2.878 mas, bmaj=3.597 mas, bpa=26.71 degrees ! Estimated noise=2047.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000551193 Jy ! Component: 100 - total flux cleaned = 0.000534736 Jy ! Component: 150 - total flux cleaned = 0.000526268 Jy ! Component: 200 - total flux cleaned = 0.000521029 Jy ! Total flux subtracted in 200 components = 0.000521029 Jy ! Clean residual min=-0.012527 max=0.011365 Jy/beam ! Clean residual mean=-0.000782 rms=0.004267 Jy/beam ! Combined flux in latest and established models = 0.643743 Jy selfcal ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 25 components and 0.643743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122939Jy sigma=0.001875 ! Fit after self-cal, rms=0.122876Jy sigma=0.001874 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 = -0.000129441 Jy ! Component: 100 - total flux cleaned = -0.000125751 Jy ! Component: 150 - total flux cleaned = -0.000124355 Jy ! Component: 200 - total flux cleaned = -0.000124527 Jy ! Total flux subtracted in 200 components = -0.000124527 Jy ! Clean residual min=-0.012439 max=0.011489 Jy/beam ! Clean residual mean=-0.000770 rms=0.004253 Jy/beam ! Combined flux in latest and established models = 0.643618 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 25 components and 0.643618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122978Jy sigma=0.001877 ! Fit after self-cal, rms=0.122943Jy sigma=0.001876 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5914 mas, bmaj=1.911 mas, bpa=-3.233 degrees ! Estimated noise=1408.64 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5914 x 1.911 at -3.233 degrees (North through East) ! Clean map min=-0.010334 max=0.55107 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=0.122943Jy sigma=0.001876 ! Fit after self-cal, rms=0.109494Jy sigma=0.001630 ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5913 mas, bmaj=1.911 mas, bpa=-3.213 degrees ! Estimated noise=1409.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000897266 Jy ! Component: 100 - total flux cleaned = -0.000716282 Jy ! Component: 150 - total flux cleaned = -0.000717321 Jy ! Component: 200 - total flux cleaned = -0.000790232 Jy ! Total flux subtracted in 200 components = -0.000790232 Jy ! Clean residual min=-0.010460 max=0.010540 Jy/beam ! Clean residual mean=-0.000265 rms=0.003012 Jy/beam ! Combined flux in latest and established models = 0.642828 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 30 components and 0.642828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109382Jy sigma=0.001626 ! Fit after self-cal, rms=0.109373Jy sigma=0.001626 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.72289e-06 Jy ! Component: 100 - total flux cleaned = 5.22935e-05 Jy ! Component: 150 - total flux cleaned = 5.00563e-05 Jy ! Component: 200 - total flux cleaned = 4.9071e-05 Jy ! Total flux subtracted in 200 components = 4.9071e-05 Jy ! Clean residual min=-0.010130 max=0.010389 Jy/beam ! Clean residual mean=-0.000268 rms=0.002978 Jy/beam ! Combined flux in latest and established models = 0.642877 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 0.642877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109319Jy sigma=0.001625 ! Fit after self-cal, rms=0.109317Jy sigma=0.001625 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109317Jy sigma=0.001625 ! Fit after self-cal, rms=0.109332Jy sigma=0.001625 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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5166 mas, bmaj=1.671 mas, bpa=-1.536 degrees ! Estimated noise=1589.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.416583 Jy ! Component: 100 - total flux cleaned = 0.52676 Jy ! Component: 150 - total flux cleaned = 0.576374 Jy ! Component: 200 - total flux cleaned = 0.604288 Jy ! Total flux subtracted in 200 components = 0.604288 Jy ! Clean residual min=-0.017939 max=0.020560 Jy/beam ! Clean residual mean=0.000404 rms=0.004717 Jy/beam ! Combined flux in latest and established models = 0.604288 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 0.604289 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5907 mas, bmaj=1.912 mas, bpa=-3.2 degrees ! Estimated noise=1409 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 = 0.0224923 Jy ! Component: 100 - total flux cleaned = 0.0337563 Jy ! Component: 150 - total flux cleaned = 0.0349164 Jy ! Component: 200 - total flux cleaned = 0.0356308 Jy ! Total flux subtracted in 200 components = 0.0356308 Jy ! Clean residual min=-0.012505 max=0.012436 Jy/beam ! Clean residual mean=-0.000166 rms=0.003522 Jy/beam ! Combined flux in latest and established models = 0.639919 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.639919 Jy ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=2.879 mas, bmaj=3.602 mas, bpa=26.79 degrees ! Estimated noise=2048.51 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422317 Jy ! Component: 100 - total flux cleaned = 0.0042598 Jy ! Component: 150 - total flux cleaned = 0.00427757 Jy ! Component: 200 - total flux cleaned = 0.00428523 Jy ! Total flux subtracted in 200 components = 0.00428523 Jy ! Clean residual min=-0.012685 max=0.011019 Jy/beam ! Clean residual mean=-0.000787 rms=0.004254 Jy/beam ! Combined flux in latest and established models = 0.644205 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 = 2.19605e-06 Jy ! Component: 100 - total flux cleaned = 3.78504e-06 Jy ! Component: 150 - total flux cleaned = 4.68867e-06 Jy ! Component: 200 - total flux cleaned = 2.36779e-06 Jy ! Total flux subtracted in 200 components = 2.36779e-06 Jy ! Clean residual min=-0.012459 max=0.011033 Jy/beam ! Clean residual mean=-0.000787 rms=0.004218 Jy/beam ! Combined flux in latest and established models = 0.644207 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 19 components and 0.644207 Jy ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5907 mas, bmaj=1.912 mas, bpa=-3.2 degrees ! Estimated noise=1409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0017547 Jy ! Component: 100 - total flux cleaned = -0.0012553 Jy ! Component: 150 - total flux cleaned = -0.00125336 Jy ! Component: 200 - total flux cleaned = -0.00136303 Jy ! Total flux subtracted in 200 components = -0.00136303 Jy ! Clean residual min=-0.011052 max=0.010571 Jy/beam ! Clean residual mean=-0.000294 rms=0.003098 Jy/beam ! Combined flux in latest and established models = 0.642844 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 24 components and 0.642844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109481Jy sigma=0.001629 ! Fit after self-cal, rms=0.109450Jy sigma=0.001628 wmodel J0203+1134_X_2003_06_18_pus_map.mod ! Writing 24 model components to file: J0203+1134_X_2003_06_18_pus_map.mod wobs J0203+1134_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0203+1134_X_2003_06_18_pus_uvs.fits wwins J0203+1134_X_2003_06_18_pus_map.win ! wwins: Wrote 1 windows to J0203+1134_X_2003_06_18_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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00235808 Jy ! Component: 100 - total flux cleaned = -0.00400554 Jy ! Component: 150 - total flux cleaned = -0.00511395 Jy ! Component: 200 - total flux cleaned = -0.00607607 Jy ! Component: 250 - total flux cleaned = -0.0075882 Jy ! Component: 300 - total flux cleaned = -0.008787 Jy ! Component: 350 - total flux cleaned = -0.00980479 Jy ! Component: 400 - total flux cleaned = -0.0108336 Jy ! Component: 450 - total flux cleaned = -0.0115573 Jy ! Component: 500 - total flux cleaned = -0.0122369 Jy ! Component: 550 - total flux cleaned = -0.0128059 Jy ! Component: 600 - total flux cleaned = -0.0135388 Jy ! Component: 650 - total flux cleaned = -0.0142925 Jy ! Component: 700 - total flux cleaned = -0.0150092 Jy ! Component: 750 - total flux cleaned = -0.0156897 Jy ! Component: 800 - total flux cleaned = -0.0163972 Jy ! Component: 850 - total flux cleaned = -0.0171259 Jy ! Component: 900 - total flux cleaned = -0.0176752 Jy ! Component: 950 - total flux cleaned = -0.0183477 Jy ! Component: 1000 - total flux cleaned = -0.0190456 Jy ! Total flux subtracted in 1024 components = -0.0193639 Jy ! Clean residual min=-0.002400 max=0.002961 Jy/beam ! Clean residual mean=-0.000201 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.62348 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 77 components and 0.62348 Jy wmap "J0203+1134_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5907 x 1.912 at -3.2 degrees (North through East) ! Clean map min=-0.0070527 max=0.5485 Jy/beam ! Writing clean map to FITS file: J0203+1134_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.548501 invert ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.1968 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000901727 device "J0203+1134_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0203+1134_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.493195 0.493195 0.98639 1.97278 3.94556 7.89112 15.7822 31.5645 63.1289 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.548 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5907 x 1.912 at -3.2 degrees (North through East) ! Clean map min=-0.0070527 max=0.5485 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0203+1134_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0203+1134_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0203+1134_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 16:12:58 2007