! Started logfile: J1517-2422_X_1999_05_10_pus_uvs.log on Tue Jan 15 12:47:42 2008 obs J1517-2422_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J1517-2422_X_1999_05_10_pus_uva.fits ! AN table 1: 3 integrations on 153 of 153 possible baselines. ! AN table 2: 12 integrations on 153 of 153 possible baselines. ! AN table 3: 79 integrations on 153 of 153 possible baselines. ! AN table 4: 174 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0491415 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1517-2422 ! ! 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 1771 lines of history. ! ! Reading 8060 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 J1517-2422_X_1999_05_10_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 54 telescope corrections were flagged in sub-array 1. ! A total of 216 telescope corrections were flagged in sub-array 2. ! A total of 1048 telescope corrections were flagged in sub-array 3. ! A total of 2933 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! A total of 216 telescope corrections were flagged in sub-array 2. ! A total of 1048 telescope corrections were flagged in sub-array 3. ! A total of 2929 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! A total of 216 telescope corrections were flagged in sub-array 2. ! A total of 1048 telescope corrections were flagged in sub-array 3. ! A total of 2929 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! A total of 216 telescope corrections were flagged in sub-array 2. ! A total of 1048 telescope corrections were flagged in sub-array 3. ! A total of 2958 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.776229Jy sigma=0.006969 ! Fit after self-cal, rms=0.769859Jy sigma=0.006944 ! 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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.6506 mas, bmaj=1.239 mas, bpa=23.21 degrees ! Estimated noise=2369.58 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.19099 Jy ! Component: 100 - total flux cleaned = 1.56977 Jy ! Total flux subtracted in 100 components = 1.56977 Jy ! Clean residual min=-0.070844 max=0.222936 Jy/beam ! Clean residual mean=0.007008 rms=0.028116 Jy/beam ! Combined flux in latest and established models = 1.56977 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.56977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.420633Jy sigma=0.003635 ! Fit after self-cal, rms=0.418917Jy sigma=0.003622 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Added new window around map position (0.8, -1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.222796 Jy ! Component: 100 - total flux cleaned = 0.350057 Jy ! Total flux subtracted in 100 components = 0.350057 Jy ! Clean residual min=-0.039881 max=0.076742 Jy/beam ! Clean residual mean=0.003811 rms=0.013502 Jy/beam ! Combined flux in latest and established models = 1.91982 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 31 components and 1.91982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262077Jy sigma=0.001996 ! Fit after self-cal, rms=0.257772Jy sigma=0.001971 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9348 mas, bmaj=2.073 mas, bpa=7.37 degrees ! Estimated noise=1019.73 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 = 0.113985 Jy ! Component: 100 - total flux cleaned = 0.178302 Jy ! Component: 150 - total flux cleaned = 0.215372 Jy ! Component: 200 - total flux cleaned = 0.236841 Jy ! Total flux subtracted in 200 components = 0.236841 Jy ! Clean residual min=-0.017301 max=0.040283 Jy/beam ! Clean residual mean=0.007050 rms=0.008490 Jy/beam ! Combined flux in latest and established models = 2.15666 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 2.15666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208354Jy sigma=0.001367 ! Fit after self-cal, rms=0.206816Jy sigma=0.001353 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 0.99 KP 0.97 LA 0.99 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.02 PT 0.99 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00 GC 1.00* HH 1.26 ! HN 1.01 KK 1.00* KP 0.99 LA 1.01 ! MC 1.07 MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 0.99 ! WF 1.07 WZ 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 0.99 KP 0.97 LA 0.99 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.02 PT 0.99 SC 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00 GC 1.00* HH 1.25 ! HN 1.01 KK 1.00* KP 1.00 LA 1.00 ! MC 1.06 MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.00 ! WF 1.00 WZ 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 0.99 KP 0.97 LA 0.99 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00 GC 1.00* HH 1.26 ! HN 1.01 KK 1.00* KP 1.00 LA 1.00 ! MC 1.07 MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.00 ! WF 1.00 WZ 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 0.97 LA 0.99 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00 GC 1.00* HH 1.27 ! HN 1.01 KK 1.00* KP 1.00 LA 1.00 ! MC 1.11 MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 0.99 ! WF 1.01 WZ 1.00* ! ! ! Fit before self-cal, rms=0.206816Jy sigma=0.001353 ! Fit after self-cal, rms=0.219650Jy sigma=0.001317 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9507 mas, bmaj=2.221 mas, bpa=5.401 degrees ! Estimated noise=1021.47 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 = 0.0106071 Jy ! Component: 100 - total flux cleaned = 0.0113657 Jy ! Component: 150 - total flux cleaned = 0.0119968 Jy ! Component: 200 - total flux cleaned = 0.0125702 Jy ! Total flux subtracted in 200 components = 0.0125702 Jy ! Clean residual min=-0.019811 max=0.037772 Jy/beam ! Clean residual mean=0.004413 rms=0.008193 Jy/beam ! Combined flux in latest and established models = 2.16923 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 2.16923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218844Jy sigma=0.001308 ! Fit after self-cal, rms=0.218875Jy sigma=0.001307 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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=0.218875Jy sigma=0.001307 ! Fit after self-cal, rms=0.219876Jy sigma=0.001307 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9512 mas, bmaj=2.227 mas, bpa=5.324 degrees ! Estimated noise=1021.51 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0044041 Jy ! Component: 100 - total flux cleaned = 0.00530703 Jy ! Component: 150 - total flux cleaned = 0.0059603 Jy ! Component: 200 - total flux cleaned = 0.00640786 Jy ! Total flux subtracted in 200 components = 0.00640786 Jy ! Clean residual min=-0.019528 max=0.036727 Jy/beam ! Clean residual mean=0.004287 rms=0.008198 Jy/beam ! Combined flux in latest and established models = 2.17564 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 2.17564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219532Jy sigma=0.001304 ! Fit after self-cal, rms=0.219515Jy sigma=0.001304 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (6, -15.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0324241 Jy ! Component: 100 - total flux cleaned = 0.0475793 Jy ! Component: 150 - total flux cleaned = 0.0552358 Jy ! Component: 200 - total flux cleaned = 0.0588559 Jy ! Total flux subtracted in 200 components = 0.0588559 Jy ! Clean residual min=-0.017656 max=0.030327 Jy/beam ! Clean residual mean=0.002342 rms=0.007136 Jy/beam ! Combined flux in latest and established models = 2.2345 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 61 components and 2.2345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215299Jy sigma=0.001238 ! Fit after self-cal, rms=0.214580Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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=0.214580Jy sigma=0.001228 ! Fit after self-cal, rms=0.211538Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9524 mas, bmaj=2.217 mas, bpa=5.403 degrees ! Estimated noise=1020.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141858 Jy ! Component: 100 - total flux cleaned = 0.0215105 Jy ! Component: 150 - total flux cleaned = 0.0245461 Jy ! Component: 200 - total flux cleaned = 0.0261969 Jy ! Total flux subtracted in 200 components = 0.0261969 Jy ! Clean residual min=-0.015046 max=0.027313 Jy/beam ! Clean residual mean=0.001780 rms=0.006148 Jy/beam ! Combined flux in latest and established models = 2.26069 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 2.26069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210564Jy sigma=0.001206 ! Fit after self-cal, rms=0.210208Jy sigma=0.001203 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (10, -19.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0235287 Jy ! Component: 100 - total flux cleaned = 0.0347392 Jy ! Component: 150 - total flux cleaned = 0.0400147 Jy ! Component: 200 - total flux cleaned = 0.0425946 Jy ! Total flux subtracted in 200 components = 0.0425946 Jy ! Clean residual min=-0.013615 max=0.018240 Jy/beam ! Clean residual mean=0.000368 rms=0.004433 Jy/beam ! Combined flux in latest and established models = 2.30329 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 89 components and 2.30329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207549Jy sigma=0.001168 ! Fit after self-cal, rms=0.207462Jy sigma=0.001166 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Added new window around map position (-1.4, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00688628 Jy ! Component: 100 - total flux cleaned = 0.00725121 Jy ! Component: 150 - total flux cleaned = 0.00789729 Jy ! Component: 200 - total flux cleaned = 0.00817094 Jy ! Total flux subtracted in 200 components = 0.00817094 Jy ! Clean residual min=-0.012276 max=0.013864 Jy/beam ! Clean residual mean=0.000026 rms=0.003461 Jy/beam ! Combined flux in latest and established models = 2.31146 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 109 components and 2.31146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205648Jy sigma=0.001145 ! Fit after self-cal, rms=0.205658Jy sigma=0.001144 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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=0.205658Jy sigma=0.001144 ! Fit after self-cal, rms=0.205304Jy sigma=0.001138 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=2.127 mas, bmaj=4.066 mas, bpa=6.978 degrees ! Estimated noise=1229.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00958029 Jy ! Component: 100 - total flux cleaned = 0.0107779 Jy ! Component: 150 - total flux cleaned = 0.0113078 Jy ! Component: 200 - total flux cleaned = 0.0120191 Jy ! Total flux subtracted in 200 components = 0.0120191 Jy ! Clean residual min=-0.008898 max=0.014456 Jy/beam ! Clean residual mean=0.000623 rms=0.003504 Jy/beam ! Combined flux in latest and established models = 2.32348 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 131 components and 2.32348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204994Jy sigma=0.001133 ! Fit after self-cal, rms=0.204960Jy sigma=0.001132 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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 = 0.00189119 Jy ! Component: 100 - total flux cleaned = 0.00232989 Jy ! Component: 150 - total flux cleaned = 0.00252297 Jy ! Component: 200 - total flux cleaned = 0.00269971 Jy ! Total flux subtracted in 200 components = 0.00269971 Jy ! Clean residual min=-0.008443 max=0.013124 Jy/beam ! Clean residual mean=0.000445 rms=0.003251 Jy/beam ! Combined flux in latest and established models = 2.32618 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 143 components and 2.32618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204746Jy sigma=0.001130 ! Fit after self-cal, rms=0.204734Jy sigma=0.001130 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9539 mas, bmaj=2.22 mas, bpa=5.364 degrees ! Estimated noise=1020.17 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9539 x 2.22 at 5.364 degrees (North through East) ! Clean map min=-0.016185 max=1.4573 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=0.204734Jy sigma=0.001130 ! Fit after self-cal, rms=0.207069Jy sigma=0.001124 ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9542 mas, bmaj=2.222 mas, bpa=5.34 degrees ! Estimated noise=1019.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00127383 Jy ! Component: 100 - total flux cleaned = -0.00127065 Jy ! Component: 150 - total flux cleaned = -0.00107145 Jy ! Component: 200 - total flux cleaned = -0.00072689 Jy ! Total flux subtracted in 200 components = -0.00072689 Jy ! Clean residual min=-0.007822 max=0.010400 Jy/beam ! Clean residual mean=0.000348 rms=0.002396 Jy/beam ! Combined flux in latest and established models = 2.32545 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 159 components and 2.32545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206594Jy sigma=0.001119 ! Fit after self-cal, rms=0.206618Jy sigma=0.001119 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000707531 Jy ! Component: 100 - total flux cleaned = 0.00086651 Jy ! Component: 150 - total flux cleaned = 0.00100855 Jy ! Component: 200 - total flux cleaned = 0.00114642 Jy ! Total flux subtracted in 200 components = 0.00114642 Jy ! Clean residual min=-0.007691 max=0.009901 Jy/beam ! Clean residual mean=0.000310 rms=0.002281 Jy/beam ! Combined flux in latest and established models = 2.3266 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 166 components and 2.3266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206341Jy sigma=0.001117 ! Fit after self-cal, rms=0.206344Jy sigma=0.001117 ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206344Jy sigma=0.001117 ! Fit after self-cal, rms=0.206592Jy sigma=0.001117 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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.6894 mas, bmaj=1.297 mas, bpa=19.12 degrees ! Estimated noise=2420.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.20177 Jy ! Component: 100 - total flux cleaned = 1.59679 Jy ! Component: 150 - total flux cleaned = 1.8017 Jy ! Component: 200 - total flux cleaned = 1.91982 Jy ! Total flux subtracted in 200 components = 1.91982 Jy ! Clean residual min=-0.035235 max=0.063053 Jy/beam ! Clean residual mean=0.003683 rms=0.012073 Jy/beam ! Combined flux in latest and established models = 1.91982 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 23 model components to the UV plane model. ! The established model now contains 23 components and 1.91982 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9551 mas, bmaj=2.225 mas, bpa=5.304 degrees ! Estimated noise=1019.18 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 = 0.101415 Jy ! Component: 100 - total flux cleaned = 0.163528 Jy ! Component: 150 - total flux cleaned = 0.208071 Jy ! Component: 200 - total flux cleaned = 0.242621 Jy ! Total flux subtracted in 200 components = 0.242621 Jy ! Clean residual min=-0.018033 max=0.028919 Jy/beam ! Clean residual mean=0.006360 rms=0.006304 Jy/beam ! Combined flux in latest and established models = 2.16244 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 47 components and 2.16244 Jy ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Added new window around map position (1.8, -4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.030525 Jy ! Component: 100 - total flux cleaned = 0.0545126 Jy ! Component: 150 - total flux cleaned = 0.0746603 Jy ! Component: 200 - total flux cleaned = 0.0877672 Jy ! Total flux subtracted in 200 components = 0.0877672 Jy ! Clean residual min=-0.012458 max=0.016621 Jy/beam ! Clean residual mean=0.003148 rms=0.003898 Jy/beam ! Combined flux in latest and established models = 2.25021 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 72 components and 2.25021 Jy ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=2.129 mas, bmaj=4.066 mas, bpa=6.999 degrees ! Estimated noise=1227.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0238958 Jy ! Component: 100 - total flux cleaned = 0.0396477 Jy ! Component: 150 - total flux cleaned = 0.0471832 Jy ! Component: 200 - total flux cleaned = 0.0530506 Jy ! Total flux subtracted in 200 components = 0.0530506 Jy ! Clean residual min=-0.009314 max=0.013766 Jy/beam ! Clean residual mean=0.002646 rms=0.003295 Jy/beam ! Combined flux in latest and established models = 2.30326 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 = 0.00499072 Jy ! Component: 100 - total flux cleaned = 0.00925239 Jy ! Component: 150 - total flux cleaned = 0.0123699 Jy ! Component: 200 - total flux cleaned = 0.0153402 Jy ! Total flux subtracted in 200 components = 0.0153402 Jy ! Clean residual min=-0.006323 max=0.010362 Jy/beam ! Clean residual mean=0.001596 rms=0.002260 Jy/beam ! Combined flux in latest and established models = 2.3186 Jy ! Adding 88 model components to the UV plane model. ! The established model now contains 143 components and 2.3186 Jy ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Added new window around map position (13.8, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00885832 Jy ! Component: 100 - total flux cleaned = 0.0116952 Jy ! Component: 150 - total flux cleaned = 0.0133071 Jy ! Component: 200 - total flux cleaned = 0.0146833 Jy ! Total flux subtracted in 200 components = 0.0146833 Jy ! Clean residual min=-0.004771 max=0.007078 Jy/beam ! Clean residual mean=0.000500 rms=0.001682 Jy/beam ! Combined flux in latest and established models = 2.33328 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 178 components and 2.33328 Jy ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! Estimated beam: bmin=0.9551 mas, bmaj=2.225 mas, bpa=5.304 degrees ! Estimated noise=1019.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000651131 Jy ! Component: 100 - total flux cleaned = 0.0015845 Jy ! Component: 150 - total flux cleaned = 0.00192644 Jy ! Component: 200 - total flux cleaned = 0.00224589 Jy ! Total flux subtracted in 200 components = 0.00224589 Jy ! Clean residual min=-0.006433 max=0.008306 Jy/beam ! Clean residual mean=0.000128 rms=0.001603 Jy/beam ! Combined flux in latest and established models = 2.33553 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 196 components and 2.33553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208304Jy sigma=0.001116 ! Fit after self-cal, rms=0.207536Jy sigma=0.001112 wmodel J1517-2422_X_1999_05_10_pus_map.mod ! Writing 196 model components to file: J1517-2422_X_1999_05_10_pus_map.mod wobs J1517-2422_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J1517-2422_X_1999_05_10_pus_uvs.fits wwins J1517-2422_X_1999_05_10_pus_map.win ! wwins: Wrote 7 windows to J1517-2422_X_1999_05_10_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 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00334938 Jy ! Component: 100 - total flux cleaned = 0.00466106 Jy ! Component: 150 - total flux cleaned = 0.00545911 Jy ! Component: 200 - total flux cleaned = 0.00620756 Jy ! Component: 250 - total flux cleaned = 0.00647422 Jy ! Component: 300 - total flux cleaned = 0.00681608 Jy ! Component: 350 - total flux cleaned = 0.00722472 Jy ! Component: 400 - total flux cleaned = 0.00753857 Jy ! Component: 450 - total flux cleaned = 0.00769119 Jy ! Component: 500 - total flux cleaned = 0.00791453 Jy ! Component: 550 - total flux cleaned = 0.00813117 Jy ! Component: 600 - total flux cleaned = 0.00834203 Jy ! Component: 650 - total flux cleaned = 0.00861692 Jy ! Component: 700 - total flux cleaned = 0.00881787 Jy ! Component: 750 - total flux cleaned = 0.0090147 Jy ! Component: 800 - total flux cleaned = 0.00914379 Jy ! Component: 850 - total flux cleaned = 0.00927053 Jy ! Component: 900 - total flux cleaned = 0.00939436 Jy ! Component: 950 - total flux cleaned = 0.00957601 Jy ! Component: 1000 - total flux cleaned = 0.00969488 Jy ! Component: 1050 - total flux cleaned = 0.00992768 Jy ! Component: 1100 - total flux cleaned = 0.0100418 Jy ! Component: 1150 - total flux cleaned = 0.0102107 Jy ! Component: 1200 - total flux cleaned = 0.0104321 Jy ! Component: 1250 - total flux cleaned = 0.010595 Jy ! Component: 1300 - total flux cleaned = 0.0107549 Jy ! Component: 1350 - total flux cleaned = 0.0108603 Jy ! Component: 1400 - total flux cleaned = 0.0109639 Jy ! Component: 1450 - total flux cleaned = 0.0111181 Jy ! Component: 1500 - total flux cleaned = 0.0112699 Jy ! Component: 1550 - total flux cleaned = 0.0114198 Jy ! Component: 1600 - total flux cleaned = 0.0115189 Jy ! Component: 1650 - total flux cleaned = 0.0116169 Jy ! Component: 1700 - total flux cleaned = 0.0117133 Jy ! Component: 1750 - total flux cleaned = 0.011809 Jy ! Component: 1800 - total flux cleaned = 0.0118566 Jy ! Component: 1850 - total flux cleaned = 0.0119969 Jy ! Component: 1900 - total flux cleaned = 0.012043 Jy ! Component: 1950 - total flux cleaned = 0.0120885 Jy ! Component: 2000 - total flux cleaned = 0.0121335 Jy ! Total flux subtracted in 2048 components = 0.0121337 Jy ! Clean residual min=-0.003248 max=0.002516 Jy/beam ! Clean residual mean=-0.000054 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 2.34766 Jy keep ! Adding 113 model components to the UV plane model. ! The established model now contains 309 components and 2.34766 Jy ![Exited script file: muppet] wmap "J1517-2422_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9551 x 2.225 at 5.304 degrees (North through East) ! Clean map min=-0.016262 max=1.4683 Jy/beam ! Writing clean map to FITS file: J1517-2422_X_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.46827 invert ! Inverting map ! Your choice of large map pixels excluded 3.69% of the data. ! The x-axis pixel size should ideally be below 0.1671 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000782273 device "J1517-2422_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J1517-2422_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.159835 0.159835 0.319671 0.639342 1.27868 2.55737 5.11474 10.2295 20.4589 40.9179 81.8358 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.468 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9551 x 2.225 at 5.304 degrees (North through East) ! Clean map min=-0.016262 max=1.4683 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1517-2422_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J1517-2422_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1517-2422_X_1999_05_10_pus_uvs.log closed on Tue Jan 15 12:47:54 2008