! Started logfile: J0521-1737_X_2005_07_08_yyk_uvs.log on Fri Jan 20 09:57:36 2006 obs J0521-1737_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J0521-1737_X_2005_07_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.846667 visibilities/baseline/integration-bin. ! Found source: J0521-1737 ! ! 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 1407 lines of history. ! ! Reading 1524 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 ![@muppet J0521-1737_X_2005_07_08_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 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. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.166956 Jy 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 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7571 mas, bmaj=1.895 mas, bpa=-8.806 degrees ! Estimated noise=1.37934 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.121322 Jy ! Component: 100 - total flux cleaned = 0.154451 Jy ! Total flux subtracted in 100 components = 0.154451 Jy ! Clean residual min=-0.009690 max=0.013064 Jy/beam ! Clean residual mean=0.000063 rms=0.002720 Jy/beam ! Combined flux in latest and established models = 0.154451 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.154451 Jy ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.078783Jy sigma=1.210393 ! Fit after self-cal, rms=0.078246Jy sigma=1.201220 ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7571 mas, bmaj=1.895 mas, bpa=-8.806 degrees ! Estimated noise=1.37934 mJy/beam. print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9399 mas, bmaj=2.287 mas, bpa=-7.077 degrees ! Estimated noise=1.03507 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0203236 Jy ! Component: 100 - total flux cleaned = 0.0277156 Jy ! Component: 150 - total flux cleaned = 0.0301026 Jy ! Component: 200 - total flux cleaned = 0.0306704 Jy ! Total flux subtracted in 200 components = 0.0306704 Jy ! Clean residual min=-0.006153 max=0.011630 Jy/beam ! Clean residual mean=0.000017 rms=0.001726 Jy/beam ! Combined flux in latest and established models = 0.185121 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 50 components and 0.185121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075448Jy sigma=1.129454 ! Fit after self-cal, rms=0.075456Jy sigma=1.129299 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (1.8, -0.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100745 Jy ! Component: 100 - total flux cleaned = 0.0105805 Jy ! Component: 150 - total flux cleaned = 0.0104642 Jy ! Component: 200 - total flux cleaned = 0.0104613 Jy ! Total flux subtracted in 200 components = 0.0104613 Jy ! Clean residual min=-0.005616 max=0.005204 Jy/beam ! Clean residual mean=0.000009 rms=0.001433 Jy/beam ! Combined flux in latest and established models = 0.195582 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.195582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074091Jy sigma=1.104411 ! Fit after self-cal, rms=0.073911Jy sigma=1.101023 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9399 x 2.287 at -7.077 degrees (North through East) ! Clean map min=-0.0050747 max=0.14271 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.073911Jy sigma=1.101023 ! Fit after self-cal, rms=0.073911Jy sigma=1.101023 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073911Jy sigma=1.101023 ! Fit after self-cal, rms=0.073907Jy sigma=1.101023 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9399 mas, bmaj=2.287 mas, bpa=-7.077 degrees ! Estimated noise=1.03507 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252509 Jy ! Component: 100 - total flux cleaned = 0.00235728 Jy ! Component: 150 - total flux cleaned = 0.00214314 Jy ! Component: 200 - total flux cleaned = 0.00201385 Jy ! Total flux subtracted in 200 components = 0.00201385 Jy ! Clean residual min=-0.005355 max=0.005177 Jy/beam ! Clean residual mean=0.000005 rms=0.001351 Jy/beam ! Combined flux in latest and established models = 0.197596 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 0.197596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073689Jy sigma=1.097646 ! Fit after self-cal, rms=0.073679Jy sigma=1.097318 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073679Jy sigma=1.097318 ! Fit after self-cal, rms=0.069458Jy sigma=1.041763 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113214 Jy ! Component: 100 - total flux cleaned = 0.00121611 Jy ! Component: 150 - total flux cleaned = 0.00128451 Jy ! Component: 200 - total flux cleaned = 0.00128375 Jy ! Total flux subtracted in 200 components = 0.00128375 Jy ! Clean residual min=-0.005035 max=0.004398 Jy/beam ! Clean residual mean=0.000004 rms=0.001274 Jy/beam ! Combined flux in latest and established models = 0.19888 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 94 components and 0.19888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069367Jy sigma=1.039461 ! Fit after self-cal, rms=0.068798Jy sigma=1.032695 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9399 x 2.287 at -7.077 degrees (North through East) ! Clean map min=-0.004538 max=0.14408 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068798Jy sigma=1.032695 ! Fit after self-cal, rms=0.067350Jy sigma=1.023537 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067350Jy sigma=1.023537 ! Fit after self-cal, rms=0.067126Jy sigma=1.021487 ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9126 mas, bmaj=2.259 mas, bpa=-6.937 degrees ! Estimated noise=1.01506 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000895256 Jy ! Component: 100 - total flux cleaned = -0.000898031 Jy ! Component: 150 - total flux cleaned = -0.000994268 Jy ! Component: 200 - total flux cleaned = -0.00108216 Jy ! Total flux subtracted in 200 components = -0.00108216 Jy ! Clean residual min=-0.004290 max=0.003885 Jy/beam ! Clean residual mean=0.000005 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 0.197798 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 102 components and 0.197798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067053Jy sigma=1.020026 ! Fit after self-cal, rms=0.066944Jy sigma=1.019135 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066944Jy sigma=1.019135 ! Fit after self-cal, rms=0.066690Jy sigma=1.016433 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066690Jy sigma=1.016433 ! Fit after self-cal, rms=0.066634Jy sigma=1.016063 ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9066 mas, bmaj=2.245 mas, bpa=-6.707 degrees ! Estimated noise=1.01087 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000245925 Jy ! Component: 100 - total flux cleaned = -0.000155442 Jy ! Component: 150 - total flux cleaned = -7.87815e-05 Jy ! Component: 200 - total flux cleaned = -7.80108e-05 Jy ! Total flux subtracted in 200 components = -7.80108e-05 Jy ! Clean residual min=-0.004093 max=0.003876 Jy/beam ! Clean residual mean=0.000004 rms=0.001121 Jy/beam ! Combined flux in latest and established models = 0.19772 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 111 components and 0.19772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066583Jy sigma=1.015292 ! Fit after self-cal, rms=0.066552Jy sigma=1.015113 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.301 mas, bmaj=4.777 mas, bpa=-4.513 degrees ! Estimated noise=1.27309 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000227319 Jy ! Component: 100 - total flux cleaned = -0.000352891 Jy ! Component: 150 - total flux cleaned = -0.000436098 Jy ! Component: 200 - total flux cleaned = -0.00053313 Jy ! Total flux subtracted in 200 components = -0.00053313 Jy ! Clean residual min=-0.003642 max=0.003574 Jy/beam ! Clean residual mean=0.000002 rms=0.001155 Jy/beam ! Combined flux in latest and established models = 0.197187 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 123 components and 0.197187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066541Jy sigma=1.015096 ! Fit after self-cal, rms=0.066522Jy sigma=1.014978 ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7467 mas, bmaj=1.884 mas, bpa=-8.504 degrees ! Estimated noise=1.34088 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.119744 Jy ! Component: 100 - total flux cleaned = 0.153889 Jy ! Component: 150 - total flux cleaned = 0.172666 Jy ! Component: 200 - total flux cleaned = 0.183926 Jy ! Total flux subtracted in 200 components = 0.183926 Jy ! Clean residual min=-0.006693 max=0.008778 Jy/beam ! Clean residual mean=0.000026 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.183926 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 38 model components to the UV plane model. ! The established model now contains 38 components and 0.183926 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9066 mas, bmaj=2.245 mas, bpa=-6.707 degrees ! Estimated noise=1.01087 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0081684 Jy ! Component: 100 - total flux cleaned = 0.0110885 Jy ! Component: 150 - total flux cleaned = 0.0117693 Jy ! Component: 200 - total flux cleaned = 0.0121541 Jy ! Total flux subtracted in 200 components = 0.0121541 Jy ! Clean residual min=-0.004222 max=0.004123 Jy/beam ! Clean residual mean=0.000007 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 0.19608 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 64 components and 0.19608 Jy ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.301 mas, bmaj=4.777 mas, bpa=-4.513 degrees ! Estimated noise=1.27309 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100396 Jy ! Component: 100 - total flux cleaned = 0.0010483 Jy ! Component: 150 - total flux cleaned = 0.00104877 Jy ! Component: 200 - total flux cleaned = 0.00101221 Jy ! Total flux subtracted in 200 components = 0.00101221 Jy ! Clean residual min=-0.003741 max=0.003759 Jy/beam ! Clean residual mean=0.000004 rms=0.001162 Jy/beam ! Combined flux in latest and established models = 0.197092 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 82 components and 0.197092 Jy ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.9066 mas, bmaj=2.245 mas, bpa=-6.707 degrees ! Estimated noise=1.01087 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000516283 Jy ! Component: 100 - total flux cleaned = -0.000514693 Jy ! Component: 150 - total flux cleaned = -0.000423954 Jy ! Component: 200 - total flux cleaned = -0.000465686 Jy ! Total flux subtracted in 200 components = -0.000465686 Jy ! Clean residual min=-0.004206 max=0.003808 Jy/beam ! Clean residual mean=0.000005 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 0.196626 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 92 components and 0.196626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066476Jy sigma=1.014196 ! Fit after self-cal, rms=0.066459Jy sigma=1.013951 wmodel J0521-1737_X_2005_07_08_yyk\_map.mod ! Writing 92 model components to file: J0521-1737_X_2005_07_08_yyk_map.mod wobs J0521-1737_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J0521-1737_X_2005_07_08_yyk_uvs.fits wwins J0521-1737_X_2005_07_08_yyk\_map.win ! wwins: Wrote 2 windows to J0521-1737_X_2005_07_08_yyk_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 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000245372 Jy ! Component: 100 - total flux cleaned = 0.000450286 Jy ! Component: 150 - total flux cleaned = 0.000583453 Jy ! Component: 200 - total flux cleaned = 0.000902546 Jy ! Component: 250 - total flux cleaned = 0.00096461 Jy ! Component: 300 - total flux cleaned = 0.00108576 Jy ! Component: 350 - total flux cleaned = 0.00126217 Jy ! Component: 400 - total flux cleaned = 0.00131912 Jy ! Component: 450 - total flux cleaned = 0.00126326 Jy ! Component: 500 - total flux cleaned = 0.00115399 Jy ! Component: 550 - total flux cleaned = 0.00120855 Jy ! Component: 600 - total flux cleaned = 0.00104959 Jy ! Component: 650 - total flux cleaned = 0.00104976 Jy ! Component: 700 - total flux cleaned = 0.000794048 Jy ! Component: 750 - total flux cleaned = 0.000793958 Jy ! Component: 800 - total flux cleaned = 0.000694674 Jy ! Component: 850 - total flux cleaned = 0.000695562 Jy ! Component: 900 - total flux cleaned = 0.000553777 Jy ! Component: 950 - total flux cleaned = 0.000554215 Jy ! Component: 1000 - total flux cleaned = 0.000553967 Jy ! Component: 1050 - total flux cleaned = 0.000554152 Jy ! Component: 1100 - total flux cleaned = 0.00046455 Jy ! Component: 1150 - total flux cleaned = 0.000464714 Jy ! Component: 1200 - total flux cleaned = 0.000421826 Jy ! Component: 1250 - total flux cleaned = 0.000464834 Jy ! Component: 1300 - total flux cleaned = 0.000506004 Jy ! Component: 1350 - total flux cleaned = 0.000464025 Jy ! Component: 1400 - total flux cleaned = 0.000381414 Jy ! Component: 1450 - total flux cleaned = 0.000462772 Jy ! Component: 1500 - total flux cleaned = 0.000422882 Jy ! Component: 1550 - total flux cleaned = 0.00050265 Jy ! Component: 1600 - total flux cleaned = 0.00058143 Jy ! Component: 1650 - total flux cleaned = 0.000503493 Jy ! Component: 1700 - total flux cleaned = 0.000542623 Jy ! Component: 1750 - total flux cleaned = 0.000656333 Jy ! Component: 1800 - total flux cleaned = 0.000693508 Jy ! Component: 1850 - total flux cleaned = 0.000804911 Jy ! Component: 1900 - total flux cleaned = 0.000768758 Jy ! Component: 1950 - total flux cleaned = 0.000840878 Jy ! Component: 2000 - total flux cleaned = 0.000947973 Jy ! Total flux subtracted in 2048 components = 0.000876831 Jy ! Clean residual min=-0.001935 max=0.001983 Jy/beam ! Clean residual mean=0.000002 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.197503 Jy keep ! Adding 133 model components to the UV plane model. ! The established model now contains 225 components and 0.197503 Jy ![Exited script file: muppet] wmap "J0521-1737_X_2005_07_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9066 x 2.245 at -6.707 degrees (North through East) ! Clean map min=-0.0035269 max=0.14147 Jy/beam ! Writing clean map to FITS file: J0521-1737_X_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.141467 invert ! Inverting map ! Your choice of large map pixels excluded 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000669871 device "J0521-1737_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0521-1737_X_2005_07_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.42055 1.42055 2.8411 5.68221 11.3644 22.7288 45.4577 90.9154 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.141 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9066 x 2.245 at -6.707 degrees (North through East) ! Clean map min=-0.0035269 max=0.14147 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0521-1737_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0521-1737_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0521-1737_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 09:57:40 2006