! Started logfile: J1427-3305_X_2006_12_18_yyk_uvs.log on Mon Jun 16 19:43:32 2008 obs J1427-3305_X_2006_12_18_yyk_uve.fits ! Reading UV FITS file: J1427-3305_X_2006_12_18_yyk_uve.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.611765 visibilities/baseline/integration-bin. ! Found source: J1427-3305 ! ! 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 2161 lines of history. ! ! Reading 1872 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 J1427-3305_X_2006_12_18_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)= 0.401945 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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.642 mas, bmaj=1.657 mas, bpa=4.475 degrees ! Estimated noise=1.85826 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 = 0.322017 Jy ! Component: 100 - total flux cleaned = 0.370606 Jy ! Total flux subtracted in 100 components = 0.370606 Jy ! Clean residual min=-0.013692 max=0.027964 Jy/beam ! Clean residual mean=0.000007 rms=0.004434 Jy/beam ! Combined flux in latest and established models = 0.370606 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.370606 Jy ! ! Correcting IF 1. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.123153Jy sigma=1.775964 ! Fit after self-cal, rms=0.123009Jy sigma=1.773382 ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.642 mas, bmaj=1.657 mas, bpa=4.475 degrees ! Estimated noise=1.85826 mJy/beam. ! Added new window around map position (-1, -2.6). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0303352 Jy ! Component: 100 - total flux cleaned = 0.0415909 Jy ! Total flux subtracted in 100 components = 0.0415909 Jy ! Clean residual min=-0.012169 max=0.018892 Jy/beam ! Clean residual mean=-0.000002 rms=0.003544 Jy/beam ! Combined flux in latest and established models = 0.412197 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 15 components and 0.412197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117425Jy sigma=1.679819 ! Fit after self-cal, rms=0.116850Jy sigma=1.666204 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec 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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7949 mas, bmaj=2.071 mas, bpa=2.241 degrees ! Estimated noise=1.09547 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 = 0.0144577 Jy ! Component: 100 - total flux cleaned = 0.0184718 Jy ! Component: 150 - total flux cleaned = 0.0189167 Jy ! Component: 200 - total flux cleaned = 0.01931 Jy ! Total flux subtracted in 200 components = 0.01931 Jy ! Clean residual min=-0.010509 max=0.011778 Jy/beam ! Clean residual mean=-0.000014 rms=0.002845 Jy/beam ! Combined flux in latest and established models = 0.431507 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 33 components and 0.431507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115986Jy sigma=1.646603 ! Fit after self-cal, rms=0.115962Jy sigma=1.645988 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7949 x 2.071 at 2.241 degrees (North through East) ! Clean map min=-0.0098399 max=0.368 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.95696 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00* HN 1.45 KP 1.02 ! LA 0.99 MK 1.00 NL 1.01 OV 0.96 ! PT 1.00 SC 0.99 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.960399 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00* HN 1.52 KP 0.95 ! LA 0.96 MK 0.98 NL 0.97 OV 0.93 ! PT 1.06 SC 1.00 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.977047 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00* HN 1.33 KP 0.87 ! LA 0.93 MK 1.02 NL 0.96 OV 1.00 ! PT 1.08 SC 0.96 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.964435 ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.00* HN 1.32 KP 0.88 ! LA 0.95 MK 1.02 NL 0.97 OV 0.95 ! PT 1.14 SC 1.00 ! ! ! Fit before self-cal, rms=0.115962Jy sigma=1.645988 ! Fit after self-cal, rms=0.105386Jy sigma=1.615820 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=0.105386Jy sigma=1.615820 ! Fit after self-cal, rms=0.105395Jy sigma=1.615802 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7978 mas, bmaj=2.072 mas, bpa=2.618 degrees ! Estimated noise=1.01161 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 = -0.0247971 Jy ! Component: 100 - total flux cleaned = -0.0304068 Jy ! Component: 150 - total flux cleaned = -0.0315427 Jy ! Component: 200 - total flux cleaned = -0.0318759 Jy ! Total flux subtracted in 200 components = -0.0318759 Jy ! Clean residual min=-0.004437 max=0.005659 Jy/beam ! Clean residual mean=0.000001 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 0.399632 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 44 components and 0.399632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101759Jy sigma=1.544488 ! Fit after self-cal, rms=0.101711Jy sigma=1.544184 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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=0.101711Jy sigma=1.544184 ! Fit after self-cal, rms=0.068232Jy sigma=0.983358 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 = 0.00130323 Jy ! Component: 100 - total flux cleaned = 0.000434746 Jy ! Component: 150 - total flux cleaned = 0.000210687 Jy ! Component: 200 - total flux cleaned = 3.43109e-05 Jy ! Total flux subtracted in 200 components = 3.43109e-05 Jy ! Clean residual min=-0.004620 max=0.005220 Jy/beam ! Clean residual mean=-0.000004 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.399666 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 55 components and 0.399666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066610Jy sigma=0.956190 ! Fit after self-cal, rms=0.065540Jy sigma=0.939387 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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: 0.7978 x 2.072 at 2.618 degrees (North through East) ! Clean map min=-0.0041941 max=0.35225 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=0.065540Jy sigma=0.939387 ! Fit after self-cal, rms=0.064376Jy sigma=0.923592 ! 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=0.064376Jy sigma=0.923592 ! Fit after self-cal, rms=0.064322Jy sigma=0.922715 ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7906 mas, bmaj=2.051 mas, bpa=3.323 degrees ! Estimated noise=1.0064 mJy/beam. ! Added new window around map position (0.6, 11.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433903 Jy ! Component: 100 - total flux cleaned = 0.00509548 Jy ! Component: 150 - total flux cleaned = 0.00525973 Jy ! Component: 200 - total flux cleaned = 0.00526365 Jy ! Total flux subtracted in 200 components = 0.00526365 Jy ! Clean residual min=-0.004041 max=0.004795 Jy/beam ! Clean residual mean=0.000012 rms=0.000945 Jy/beam ! Combined flux in latest and established models = 0.404929 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 73 components and 0.404929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063968Jy sigma=0.914918 ! Fit after self-cal, rms=0.063904Jy sigma=0.914208 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Added new window around map position (-3.4, 1.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391574 Jy ! Component: 100 - total flux cleaned = 0.00457279 Jy ! Component: 150 - total flux cleaned = 0.0049184 Jy ! Component: 200 - total flux cleaned = 0.00515852 Jy ! Total flux subtracted in 200 components = 0.00515852 Jy ! Clean residual min=-0.003470 max=0.003980 Jy/beam ! Clean residual mean=0.000022 rms=0.000840 Jy/beam ! Combined flux in latest and established models = 0.410088 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 84 components and 0.410088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063603Jy sigma=0.908977 ! Fit after self-cal, rms=0.063597Jy sigma=0.908891 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Added new window around map position (13.6, 20.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00298995 Jy ! Component: 100 - total flux cleaned = 0.00421383 Jy ! Component: 150 - total flux cleaned = 0.00457327 Jy ! Component: 200 - total flux cleaned = 0.00490386 Jy ! Total flux subtracted in 200 components = 0.00490386 Jy ! Clean residual min=-0.003080 max=0.003063 Jy/beam ! Clean residual mean=0.000020 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.414992 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 98 components and 0.414992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063436Jy sigma=0.905144 ! Fit after self-cal, rms=0.063437Jy sigma=0.905062 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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=0.063437Jy sigma=0.905062 ! Fit after self-cal, rms=0.061770Jy sigma=0.874609 ! 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=0.061770Jy sigma=0.874609 ! Fit after self-cal, rms=0.061771Jy sigma=0.874593 ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7902 mas, bmaj=2.048 mas, bpa=3.502 degrees ! Estimated noise=1.00495 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000932271 Jy ! Component: 100 - total flux cleaned = 0.00135316 Jy ! Component: 150 - total flux cleaned = 0.00172693 Jy ! Component: 200 - total flux cleaned = 0.00214983 Jy ! Total flux subtracted in 200 components = 0.00214983 Jy ! Clean residual min=-0.002844 max=0.002751 Jy/beam ! Clean residual mean=0.000010 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 0.417142 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 111 components and 0.417142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061702Jy sigma=0.873083 ! Fit after self-cal, rms=0.061700Jy sigma=0.873031 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.422 mas, bmaj=7.652 mas, bpa=4.735 degrees ! Estimated noise=1.34242 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 = -4.86028e-05 Jy ! Component: 100 - total flux cleaned = -8.14906e-05 Jy ! Component: 150 - total flux cleaned = -2.72455e-05 Jy ! Component: 200 - total flux cleaned = 1.61504e-05 Jy ! Total flux subtracted in 200 components = 1.61504e-05 Jy ! Clean residual min=-0.002331 max=0.003625 Jy/beam ! Clean residual mean=0.000031 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.417158 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 123 components and 0.417158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061697Jy sigma=0.872865 ! Fit after self-cal, rms=0.061697Jy sigma=0.872828 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Added new window around map position (-20.6, -10). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0030473 Jy ! Component: 100 - total flux cleaned = 0.00324328 Jy ! Component: 150 - total flux cleaned = 0.00323899 Jy ! Component: 200 - total flux cleaned = 0.00312766 Jy ! Total flux subtracted in 200 components = 0.00312766 Jy ! Clean residual min=-0.002185 max=0.002499 Jy/beam ! Clean residual mean=0.000027 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.420286 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 169 components and 0.420286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061599Jy sigma=0.871073 ! Fit after self-cal, rms=0.061597Jy sigma=0.870971 ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.638 mas, bmaj=1.64 mas, bpa=5.282 degrees ! Estimated noise=1.73296 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.310778 Jy ! Component: 100 - total flux cleaned = 0.358414 Jy ! Component: 150 - total flux cleaned = 0.376118 Jy ! Component: 200 - total flux cleaned = 0.38519 Jy ! Total flux subtracted in 200 components = 0.38519 Jy ! Clean residual min=-0.005011 max=0.006031 Jy/beam ! Clean residual mean=-0.000005 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 0.38519 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.38519 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7902 mas, bmaj=2.048 mas, bpa=3.502 degrees ! Estimated noise=1.00495 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 = 0.0100412 Jy ! Component: 100 - total flux cleaned = 0.0153195 Jy ! Component: 150 - total flux cleaned = 0.0183006 Jy ! Component: 200 - total flux cleaned = 0.0197045 Jy ! Total flux subtracted in 200 components = 0.0197045 Jy ! Clean residual min=-0.003360 max=0.002914 Jy/beam ! Clean residual mean=0.000003 rms=0.000803 Jy/beam ! Combined flux in latest and established models = 0.404895 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 51 components and 0.404895 Jy ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.422 mas, bmaj=7.652 mas, bpa=4.735 degrees ! Estimated noise=1.34242 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 = 0.0041164 Jy ! Component: 100 - total flux cleaned = 0.00642061 Jy ! Component: 150 - total flux cleaned = 0.0075244 Jy ! Component: 200 - total flux cleaned = 0.00847276 Jy ! Total flux subtracted in 200 components = 0.00847276 Jy ! Clean residual min=-0.002728 max=0.002107 Jy/beam ! Clean residual mean=0.000021 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.413367 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 85 components and 0.413367 Jy ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7902 mas, bmaj=2.048 mas, bpa=3.502 degrees ! Estimated noise=1.00495 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000383715 Jy ! Component: 100 - total flux cleaned = -8.09324e-05 Jy ! Component: 150 - total flux cleaned = 0.000561984 Jy ! Component: 200 - total flux cleaned = 0.0010709 Jy ! Total flux subtracted in 200 components = 0.0010709 Jy ! Clean residual min=-0.002742 max=0.002266 Jy/beam ! Clean residual mean=0.000011 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.414438 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 118 components and 0.414438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061637Jy sigma=0.869795 ! Fit after self-cal, rms=0.061600Jy sigma=0.869196 wmodel J1427-3305_X_2006_12_18_yyk\_map.mod ! Writing 118 model components to file: J1427-3305_X_2006_12_18_yyk_map.mod wobs J1427-3305_X_2006_12_18_yyk\_uvs.fits ! Writing UV FITS file: J1427-3305_X_2006_12_18_yyk_uvs.fits wwins J1427-3305_X_2006_12_18_yyk\_map.win ! wwins: Wrote 6 windows to J1427-3305_X_2006_12_18_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 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000752716 Jy ! Component: 100 - total flux cleaned = -0.000918423 Jy ! Component: 150 - total flux cleaned = -0.0010272 Jy ! Component: 200 - total flux cleaned = -0.000994131 Jy ! Component: 250 - total flux cleaned = -0.000895485 Jy ! Component: 300 - total flux cleaned = -0.000801299 Jy ! Component: 350 - total flux cleaned = -0.000801802 Jy ! Component: 400 - total flux cleaned = -0.00071395 Jy ! Component: 450 - total flux cleaned = -0.000628897 Jy ! Component: 500 - total flux cleaned = -0.000464215 Jy ! Component: 550 - total flux cleaned = -0.000276964 Jy ! Component: 600 - total flux cleaned = -0.000120455 Jy ! Component: 650 - total flux cleaned = 3.24866e-05 Jy ! Component: 700 - total flux cleaned = 0.000132697 Jy ! Component: 750 - total flux cleaned = 0.000255216 Jy ! Component: 800 - total flux cleaned = 0.000327157 Jy ! Component: 850 - total flux cleaned = 0.00037383 Jy ! Component: 900 - total flux cleaned = 0.00046541 Jy ! Component: 950 - total flux cleaned = 0.000419657 Jy ! Component: 1000 - total flux cleaned = 0.000463984 Jy ! Component: 1050 - total flux cleaned = 0.000442304 Jy ! Component: 1100 - total flux cleaned = 0.000442313 Jy ! Component: 1150 - total flux cleaned = 0.000420589 Jy ! Component: 1200 - total flux cleaned = 0.000462718 Jy ! Component: 1250 - total flux cleaned = 0.00042093 Jy ! Component: 1300 - total flux cleaned = 0.000338768 Jy ! Component: 1350 - total flux cleaned = 0.000359169 Jy ! Component: 1400 - total flux cleaned = 0.000299445 Jy ! Component: 1450 - total flux cleaned = 0.000359163 Jy ! Component: 1500 - total flux cleaned = 0.000339487 Jy ! Component: 1550 - total flux cleaned = 0.000359162 Jy ! Component: 1600 - total flux cleaned = 0.000359139 Jy ! Component: 1650 - total flux cleaned = 0.000397399 Jy ! Component: 1700 - total flux cleaned = 0.000378445 Jy ! Component: 1750 - total flux cleaned = 0.000416004 Jy ! Component: 1800 - total flux cleaned = 0.000415988 Jy ! Component: 1850 - total flux cleaned = 0.000470969 Jy ! Component: 1900 - total flux cleaned = 0.00045253 Jy ! Component: 1950 - total flux cleaned = 0.000488571 Jy ! Component: 2000 - total flux cleaned = 0.000488541 Jy ! Total flux subtracted in 2048 components = 0.000506345 Jy ! Clean residual min=-0.001040 max=0.000977 Jy/beam ! Clean residual mean=-0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.414945 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 241 components and 0.414945 Jy ![Exited script file: muppet] wmap "J1427-3305_X_2006_12_18_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7902 x 2.048 at 3.502 degrees (North through East) ! Clean map min=-0.001997 max=0.35401 Jy/beam ! Writing clean map to FITS file: J1427-3305_X_2006_12_18_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.354011 invert ! Inverting map ! Your choice of large map pixels excluded 0.392% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000328485 device "J1427-3305_X_2006_12_18_yyk\_map.eps/VPS" ! Attempting to open device: 'J1427-3305_X_2006_12_18_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.278368 0.278368 0.556737 1.11347 2.22695 4.45389 8.90779 17.8156 35.6311 71.2623 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.354 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7902 x 2.048 at 3.502 degrees (North through East) ! Clean map min=-0.001997 max=0.35401 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1427-3305_X_2006_12_18_yyk\_map.gif/gif" ! Attempting to open device: 'J1427-3305_X_2006_12_18_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1427-3305_X_2006_12_18_yyk_uvs.log closed on Mon Jun 16 19:43:39 2008