! Started logfile: J2051+7441_X_2003_06_18_pus_uvs.log on Wed Jan 17 18:18:07 2007 obs J2051+7441_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J2051+7441_X_2003_06_18_pus_uva.fits ! AN table 1: 182 integrations on 153 of 153 possible baselines. ! AN table 2: Unused. ! AN table 3: 153 integrations on 153 of 153 possible baselines. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.544474 visibilities/baseline/integration-bin. ! Found source: J2051+7441 ! ! 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 111628 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 1372 telescope corrections were flagged in sub-array 1. ! A total of 2041 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1195 telescope corrections were flagged in sub-array 1. ! A total of 2041 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1195 telescope corrections were flagged in sub-array 1. ! A total of 2041 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1354 telescope corrections were flagged in sub-array 1. ! A total of 2041 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.964174Jy sigma=0.010964 ! Fit after self-cal, rms=0.903313Jy sigma=0.010439 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.4627 mas, bmaj=0.6759 mas, bpa=73.85 degrees ! Estimated noise=826.399 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 = 0.0919177 Jy ! Component: 100 - total flux cleaned = 0.117389 Jy ! Total flux subtracted in 100 components = 0.117389 Jy ! Clean residual min=-0.007153 max=0.011430 Jy/beam ! Clean residual mean=0.000210 rms=0.001989 Jy/beam ! Combined flux in latest and established models = 0.117389 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.117389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239461Jy sigma=0.001826 ! Fit after self-cal, rms=0.239092Jy sigma=0.001824 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014001 Jy ! Component: 100 - total flux cleaned = 0.017498 Jy ! Total flux subtracted in 100 components = 0.017498 Jy ! Clean residual min=-0.007398 max=0.007632 Jy/beam ! Clean residual mean=0.000156 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 0.134887 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.134887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238081Jy sigma=0.001811 ! Fit after self-cal, rms=0.237924Jy sigma=0.001810 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.6003 mas, bmaj=0.8342 mas, bpa=66.73 degrees ! Estimated noise=296.322 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.8, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107947 Jy ! Component: 100 - total flux cleaned = 0.0174607 Jy ! Component: 150 - total flux cleaned = 0.0222209 Jy ! Component: 200 - total flux cleaned = 0.0256946 Jy ! Total flux subtracted in 200 components = 0.0256946 Jy ! Clean residual min=-0.003720 max=0.006442 Jy/beam ! Clean residual mean=0.000463 rms=0.001044 Jy/beam ! Combined flux in latest and established models = 0.160582 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 28 components and 0.160582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.237281Jy sigma=0.001801 ! Fit after self-cal, rms=0.237057Jy sigma=0.001799 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Added new window around map position (-4.6, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00650441 Jy ! Component: 100 - total flux cleaned = 0.0110667 Jy ! Component: 150 - total flux cleaned = 0.0145756 Jy ! Component: 200 - total flux cleaned = 0.0174096 Jy ! Total flux subtracted in 200 components = 0.0174096 Jy ! Clean residual min=-0.003034 max=0.002863 Jy/beam ! Clean residual mean=0.000371 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.177992 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 46 components and 0.177992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236745Jy sigma=0.001795 ! Fit after self-cal, rms=0.236592Jy sigma=0.001795 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 GG 1.00* HN 0.98 ! KK 1.05 KP 1.07 LA 0.99 MA 1.00* ! MK 1.00* NL 1.09 ON 1.19 OV 1.02 ! PT 1.00* SC 1.00* TC 1.00* TS 1.00 ! WF 0.95 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.02 GG 1.00* HN 1.00* ! KK 1.00* KP 1.04 LA 0.95 MA 1.00* ! MK 1.03 NL 1.00* ON 1.00* OV 0.95 ! PT 1.00* SC 1.00* TC 1.00* TS 1.05 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 GG 1.00* HN 1.04 ! KK 1.05 KP 0.98 LA 1.04 MA 0.92 ! MK 1.00* NL 1.03 ON 0.96 OV 1.05 ! PT 1.00* SC 1.00* TC 1.00* TS 0.98 ! WF 0.94 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.02 GG 1.00* HN 1.00* ! KK 1.00* KP 0.93 LA 0.99 MA 1.00* ! MK 1.05 NL 1.00* ON 1.00* OV 1.00 ! PT 1.00* SC 1.00* TC 1.00* TS 1.03 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 GG 1.00* HN 1.00 ! KK 1.06 KP 1.02 LA 1.01 MA 0.87 ! MK 1.00* NL 1.04 ON 0.78 OV 1.06 ! PT 1.00* SC 1.00* TC 1.00* TS 1.00 ! WF 0.81 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.96 MA 1.00* ! MK 1.02 NL 1.00* ON 1.00* OV 1.03 ! PT 1.00* SC 1.00* TC 1.00* TS 0.98 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 GG 1.00* HN 1.08 ! KK 1.01 KP 0.99 LA 0.99 MA 0.86 ! MK 1.00* NL 1.05 ON 0.77 OV 1.07 ! PT 1.00* SC 1.00* TC 1.00* TS 1.01 ! WF 0.77 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.91 GG 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 0.97 MA 1.00* ! MK 1.03 NL 1.00* ON 1.00* OV 1.02 ! PT 1.00* SC 1.00* TC 1.00* TS 1.01 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.236592Jy sigma=0.001795 ! Fit after self-cal, rms=0.212506Jy sigma=0.001790 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.601 mas, bmaj=0.8175 mas, bpa=68.32 degrees ! Estimated noise=293.855 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 = 0.00257881 Jy ! Component: 100 - total flux cleaned = 0.00447864 Jy ! Component: 150 - total flux cleaned = 0.00597664 Jy ! Component: 200 - total flux cleaned = 0.00716471 Jy ! Total flux subtracted in 200 components = 0.00716471 Jy ! Clean residual min=-0.001668 max=0.001961 Jy/beam ! Clean residual mean=0.000176 rms=0.000487 Jy/beam ! Combined flux in latest and established models = 0.185156 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.185156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212452Jy sigma=0.001789 ! Fit after self-cal, rms=0.212017Jy sigma=0.001789 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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=0.212017Jy sigma=0.001789 ! Fit after self-cal, rms=0.209737Jy sigma=0.001789 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.6005 mas, bmaj=0.8143 mas, bpa=68.53 degrees ! Estimated noise=293.305 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158387 Jy ! Component: 100 - total flux cleaned = 0.00279894 Jy ! Component: 150 - total flux cleaned = 0.00375944 Jy ! Component: 200 - total flux cleaned = 0.00444342 Jy ! Total flux subtracted in 200 components = 0.00444342 Jy ! Clean residual min=-0.001636 max=0.001936 Jy/beam ! Clean residual mean=0.000147 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.1896 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 65 components and 0.1896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209712Jy sigma=0.001788 ! Fit after self-cal, rms=0.209639Jy sigma=0.001788 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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 (2.6, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00169393 Jy ! Component: 100 - total flux cleaned = 0.00243948 Jy ! Component: 150 - total flux cleaned = 0.00284577 Jy ! Component: 200 - total flux cleaned = 0.00311878 Jy ! Total flux subtracted in 200 components = 0.00311878 Jy ! Clean residual min=-0.001558 max=0.001821 Jy/beam ! Clean residual mean=0.000122 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.192718 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 77 components and 0.192719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209616Jy sigma=0.001788 ! Fit after self-cal, rms=0.209586Jy sigma=0.001788 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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=0.209586Jy sigma=0.001788 ! Fit after self-cal, rms=0.209909Jy sigma=0.001788 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.5995 mas, bmaj=0.8131 mas, bpa=68.58 degrees ! Estimated noise=293.772 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109539 Jy ! Component: 100 - total flux cleaned = 0.00169214 Jy ! Component: 150 - total flux cleaned = 0.00203689 Jy ! Component: 200 - total flux cleaned = 0.00232449 Jy ! Total flux subtracted in 200 components = 0.00232449 Jy ! Clean residual min=-0.001543 max=0.001781 Jy/beam ! Clean residual mean=0.000119 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.195043 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 79 components and 0.195043 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209894Jy sigma=0.001788 ! Fit after self-cal, rms=0.209881Jy sigma=0.001788 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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 = 0.000574669 Jy ! Component: 100 - total flux cleaned = 0.000851589 Jy ! Component: 150 - total flux cleaned = 0.00103176 Jy ! Component: 200 - total flux cleaned = 0.00112944 Jy ! Total flux subtracted in 200 components = 0.00112944 Jy ! Clean residual min=-0.001526 max=0.001810 Jy/beam ! Clean residual mean=0.000113 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.196172 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 83 components and 0.196172 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209871Jy sigma=0.001788 ! Fit after self-cal, rms=0.209846Jy sigma=0.001788 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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=0.209846Jy sigma=0.001788 ! Fit after self-cal, rms=0.209748Jy sigma=0.001788 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=2.339 mas, bmaj=3.696 mas, bpa=1.702 degrees ! Estimated noise=417.156 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130869 Jy ! Component: 100 - total flux cleaned = 0.00218416 Jy ! Component: 150 - total flux cleaned = 0.00263588 Jy ! Component: 200 - total flux cleaned = 0.00293 Jy ! Total flux subtracted in 200 components = 0.00293 Jy ! Clean residual min=-0.001403 max=0.002088 Jy/beam ! Clean residual mean=0.000300 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.199102 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 97 components and 0.199102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209741Jy sigma=0.001788 ! Fit after self-cal, rms=0.209733Jy sigma=0.001788 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 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 = 0.000412395 Jy ! Component: 100 - total flux cleaned = 0.000539897 Jy ! Component: 150 - total flux cleaned = 0.000607545 Jy ! Component: 200 - total flux cleaned = 0.00070003 Jy ! Total flux subtracted in 200 components = 0.00070003 Jy ! Clean residual min=-0.001432 max=0.002101 Jy/beam ! Clean residual mean=0.000290 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.199802 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 100 components and 0.199802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209732Jy sigma=0.001788 ! Fit after self-cal, rms=0.209728Jy sigma=0.001788 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.5987 mas, bmaj=0.8118 mas, bpa=68.65 degrees ! Estimated noise=294.214 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5987 x 0.8118 at 68.65 degrees (North through East) ! Clean map min=-0.0012087 max=0.12213 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.4634 mas, bmaj=0.6576 mas, bpa=75.65 degrees ! Estimated noise=807.213 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0885262 Jy ! Component: 100 - total flux cleaned = 0.116217 Jy ! Component: 150 - total flux cleaned = 0.130239 Jy ! Component: 200 - total flux cleaned = 0.139703 Jy ! Total flux subtracted in 200 components = 0.139703 Jy ! Clean residual min=-0.007645 max=0.007050 Jy/beam ! Clean residual mean=0.000164 rms=0.001734 Jy/beam ! Combined flux in latest and established models = 0.139703 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.139703 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.5987 mas, bmaj=0.8118 mas, bpa=68.65 degrees ! Estimated noise=294.214 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 = 0.0115123 Jy ! Component: 100 - total flux cleaned = 0.0198906 Jy ! Component: 150 - total flux cleaned = 0.0265337 Jy ! Component: 200 - total flux cleaned = 0.0319127 Jy ! Total flux subtracted in 200 components = 0.0319127 Jy ! Clean residual min=-0.001947 max=0.003417 Jy/beam ! Clean residual mean=0.000401 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.171616 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 40 components and 0.171616 Jy ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Added new window around map position (-0.6, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00440485 Jy ! Component: 100 - total flux cleaned = 0.00803903 Jy ! Component: 150 - total flux cleaned = 0.0111337 Jy ! Component: 200 - total flux cleaned = 0.0138027 Jy ! Total flux subtracted in 200 components = 0.0138027 Jy ! Clean residual min=-0.001802 max=0.002168 Jy/beam ! Clean residual mean=0.000251 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.185418 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 54 components and 0.185418 Jy ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=2.339 mas, bmaj=3.696 mas, bpa=1.702 degrees ! Estimated noise=417.156 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00448155 Jy ! Component: 100 - total flux cleaned = 0.00748528 Jy ! Component: 150 - total flux cleaned = 0.00967451 Jy ! Component: 200 - total flux cleaned = 0.0112871 Jy ! Total flux subtracted in 200 components = 0.0112871 Jy ! Clean residual min=-0.001470 max=0.001905 Jy/beam ! Clean residual mean=0.000399 rms=0.000564 Jy/beam ! Combined flux in latest and established models = 0.196706 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 = 0.00119708 Jy ! Component: 100 - total flux cleaned = 0.00209096 Jy ! Component: 150 - total flux cleaned = 0.00264017 Jy ! Component: 200 - total flux cleaned = 0.002913 Jy ! Total flux subtracted in 200 components = 0.002913 Jy ! Clean residual min=-0.001464 max=0.002060 Jy/beam ! Clean residual mean=0.000299 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.199619 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 80 components and 0.199619 Jy ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! Estimated beam: bmin=0.5987 mas, bmaj=0.8118 mas, bpa=68.65 degrees ! Estimated noise=294.214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.84366e-06 Jy ! Component: 100 - total flux cleaned = 0.000101761 Jy ! Component: 150 - total flux cleaned = 0.000184351 Jy ! Component: 200 - total flux cleaned = 0.000146393 Jy ! Total flux subtracted in 200 components = 0.000146393 Jy ! Clean residual min=-0.001473 max=0.001850 Jy/beam ! Clean residual mean=0.000094 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.199765 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 90 components and 0.199765 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209769Jy sigma=0.001788 ! Fit after self-cal, rms=0.209753Jy sigma=0.001788 wmodel J2051+7441_X_2003_06_18_pus_map.mod ! Writing 90 model components to file: J2051+7441_X_2003_06_18_pus_map.mod wobs J2051+7441_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J2051+7441_X_2003_06_18_pus_uvs.fits wwins J2051+7441_X_2003_06_18_pus_map.win ! wwins: Wrote 5 windows to J2051+7441_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 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000841389 Jy ! Component: 100 - total flux cleaned = 0.00147296 Jy ! Component: 150 - total flux cleaned = 0.00192751 Jy ! Component: 200 - total flux cleaned = 0.00225178 Jy ! Component: 250 - total flux cleaned = 0.00258959 Jy ! Component: 300 - total flux cleaned = 0.00286619 Jy ! Component: 350 - total flux cleaned = 0.0030373 Jy ! Component: 400 - total flux cleaned = 0.00322802 Jy ! Component: 450 - total flux cleaned = 0.00336725 Jy ! Component: 500 - total flux cleaned = 0.00343525 Jy ! Component: 550 - total flux cleaned = 0.00352454 Jy ! Component: 600 - total flux cleaned = 0.00367829 Jy ! Component: 650 - total flux cleaned = 0.00382965 Jy ! Component: 700 - total flux cleaned = 0.00402098 Jy ! Component: 750 - total flux cleaned = 0.0041673 Jy ! Component: 800 - total flux cleaned = 0.00431142 Jy ! Component: 850 - total flux cleaned = 0.00443345 Jy ! Component: 900 - total flux cleaned = 0.00461397 Jy ! Component: 950 - total flux cleaned = 0.00471298 Jy ! Component: 1000 - total flux cleaned = 0.00486985 Jy ! Total flux subtracted in 1024 components = 0.00494757 Jy ! Clean residual min=-0.000969 max=0.001173 Jy/beam ! Clean residual mean=0.000053 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.204713 Jy keep ! Adding 78 model components to the UV plane model. ! The established model now contains 168 components and 0.204712 Jy wmap "J2051+7441_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5987 x 0.8118 at 68.65 degrees (North through East) ! Clean map min=-0.0011175 max=0.12188 Jy/beam ! Writing clean map to FITS file: J2051+7441_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 0.12188 invert ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1759 milli-arcsec ! The y-axis pixel size should ideally be below 0.1983 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000364311 device "J2051+7441_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J2051+7441_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.896732 0.896732 1.79346 3.58693 7.17385 14.3477 28.6954 57.3908 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.121 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5987 x 0.8118 at 68.65 degrees (North through East) ! Clean map min=-0.0011175 max=0.12188 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2051+7441_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J2051+7441_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2051+7441_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 18:19:29 2007