! Started logfile: J1935-1602_X_2007_01_11_yyk_uvs.log on Mon Jun 16 19:59:31 2008 obs J1935-1602_X_2007_01_11_yyk_uve.fits ! Reading UV FITS file: J1935-1602_X_2007_01_11_yyk_uve.fits ! AN table 1: 15 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.985185 visibilities/baseline/integration-bin. ! Found source: J1935-1602 ! ! 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 2143 lines of history. ! ! Reading 2128 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 J1935-1602_X_2007_01_11_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)= 0.163507 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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.6617 mas, bmaj=1.746 mas, bpa=0.4283 degrees ! Estimated noise=1.43959 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 = 0.110535 Jy ! Component: 100 - total flux cleaned = 0.134659 Jy ! Total flux subtracted in 100 components = 0.134659 Jy ! Clean residual min=-0.018278 max=0.053636 Jy/beam ! Clean residual mean=0.000299 rms=0.005786 Jy/beam ! Combined flux in latest and established models = 0.134659 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 0.134659 Jy ! ! Correcting IF 1. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.106194Jy sigma=1.881750 ! Fit after self-cal, rms=0.106209Jy sigma=1.879581 ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.6617 mas, bmaj=1.746 mas, bpa=0.4283 degrees ! Estimated noise=1.43959 mJy/beam. ! Added new window around map position (10.4, 0.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0547799 Jy ! Component: 100 - total flux cleaned = 0.0754182 Jy ! Total flux subtracted in 100 components = 0.0754182 Jy ! Clean residual min=-0.010094 max=0.015931 Jy/beam ! Clean residual mean=0.000153 rms=0.002938 Jy/beam ! Combined flux in latest and established models = 0.210078 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.210078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076301Jy sigma=1.301340 ! Fit after self-cal, rms=0.074303Jy sigma=1.250817 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8187 mas, bmaj=2.134 mas, bpa=-0.3499 degrees ! Estimated noise=0.865446 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 (8.8, -0.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283543 Jy ! Component: 100 - total flux cleaned = 0.0418724 Jy ! Component: 150 - total flux cleaned = 0.0495244 Jy ! Component: 200 - total flux cleaned = 0.0547135 Jy ! Total flux subtracted in 200 components = 0.0547135 Jy ! Clean residual min=-0.005058 max=0.004823 Jy/beam ! Clean residual mean=0.000049 rms=0.001442 Jy/beam ! Combined flux in latest and established models = 0.264791 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 74 model components to the UV plane model. ! The established model now contains 91 components and 0.264791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067462Jy sigma=1.100116 ! Fit after self-cal, rms=0.067224Jy sigma=1.094583 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8187 x 2.134 at -0.3499 degrees (North through East) ! Clean map min=-0.0042488 max=0.12441 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: 0.9941 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.99 KP 1.00 ! LA 0.97 MK 1.06 OV 0.95 PT 0.99 ! SC 1.08 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01529 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.06 HN 1.07 KP 0.90 ! LA 0.90 MK 1.03 OV 0.97 PT 1.02 ! SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.995461 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 HN 0.97 KP 0.88 ! LA 0.95 MK 1.09 OV 0.98 PT 1.10 ! SC 1.02 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.993492 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.12 HN 1.01 KP 0.86 ! LA 0.91 MK 1.09 OV 1.00 PT 1.10 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.067224Jy sigma=1.094583 ! Fit after self-cal, rms=0.065627Jy sigma=1.074348 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=0.065627Jy sigma=1.074348 ! Fit after self-cal, rms=0.065629Jy sigma=1.074216 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8479 mas, bmaj=2.181 mas, bpa=0.7789 degrees ! Estimated noise=0.859995 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 = 0.00238279 Jy ! Component: 100 - total flux cleaned = 0.0026813 Jy ! Component: 150 - total flux cleaned = 0.00279836 Jy ! Component: 200 - total flux cleaned = 0.0029046 Jy ! Total flux subtracted in 200 components = 0.0029046 Jy ! Clean residual min=-0.003277 max=0.003213 Jy/beam ! Clean residual mean=0.000025 rms=0.000841 Jy/beam ! Combined flux in latest and established models = 0.267696 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 116 components and 0.267696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065525Jy sigma=1.071854 ! Fit after self-cal, rms=0.065524Jy sigma=1.071739 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.065524Jy sigma=1.071739 ! Fit after self-cal, rms=0.057730Jy sigma=0.936099 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 = 0.00281388 Jy ! Component: 100 - total flux cleaned = 0.00385835 Jy ! Component: 150 - total flux cleaned = 0.00443825 Jy ! Component: 200 - total flux cleaned = 0.00479196 Jy ! Total flux subtracted in 200 components = 0.00479196 Jy ! Clean residual min=-0.003077 max=0.003011 Jy/beam ! Clean residual mean=0.000020 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.272488 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 128 components and 0.272488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057555Jy sigma=0.933755 ! Fit after self-cal, rms=0.057189Jy sigma=0.928237 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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: 0.8479 x 2.181 at 0.7789 degrees (North through East) ! Clean map min=-0.0027621 max=0.1263 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=0.057189Jy sigma=0.928237 ! Fit after self-cal, rms=0.056853Jy sigma=0.922940 ! 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=0.056853Jy sigma=0.922940 ! Fit after self-cal, rms=0.056835Jy sigma=0.922477 ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8442 mas, bmaj=2.173 mas, bpa=0.9666 degrees ! Estimated noise=0.855567 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000566778 Jy ! Component: 100 - total flux cleaned = 0.000604217 Jy ! Component: 150 - total flux cleaned = 0.00063874 Jy ! Component: 200 - total flux cleaned = 0.000671608 Jy ! Total flux subtracted in 200 components = 0.000671608 Jy ! Clean residual min=-0.003210 max=0.002904 Jy/beam ! Clean residual mean=0.000018 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.273159 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 143 components and 0.273159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056806Jy sigma=0.921898 ! Fit after self-cal, rms=0.056805Jy sigma=0.921846 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.056805Jy sigma=0.921846 ! Fit after self-cal, rms=0.056960Jy sigma=0.907051 ! 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=0.056960Jy sigma=0.907051 ! Fit after self-cal, rms=0.056964Jy sigma=0.906983 ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8436 mas, bmaj=2.173 mas, bpa=0.7673 degrees ! Estimated noise=0.860931 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130405 Jy ! Component: 100 - total flux cleaned = 0.00167266 Jy ! Component: 150 - total flux cleaned = 0.0019618 Jy ! Component: 200 - total flux cleaned = 0.00207797 Jy ! Total flux subtracted in 200 components = 0.00207797 Jy ! Clean residual min=-0.003238 max=0.003196 Jy/beam ! Clean residual mean=0.000018 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.275237 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 148 components and 0.275237 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056923Jy sigma=0.906342 ! Fit after self-cal, rms=0.056924Jy sigma=0.906329 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.381 mas, bmaj=4.946 mas, bpa=12.91 degrees ! Estimated noise=1.12875 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 = 0.00111463 Jy ! Component: 100 - total flux cleaned = 0.00133355 Jy ! Component: 150 - total flux cleaned = 0.00136035 Jy ! Component: 200 - total flux cleaned = 0.00141238 Jy ! Total flux subtracted in 200 components = 0.00141238 Jy ! Clean residual min=-0.002562 max=0.003189 Jy/beam ! Clean residual mean=0.000037 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 0.27665 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 152 components and 0.27665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056940Jy sigma=0.906388 ! Fit after self-cal, rms=0.056929Jy sigma=0.906274 ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.6696 mas, bmaj=1.754 mas, bpa=1.126 degrees ! Estimated noise=1.44899 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.127759 Jy ! Component: 100 - total flux cleaned = 0.173648 Jy ! Component: 150 - total flux cleaned = 0.200472 Jy ! Component: 200 - total flux cleaned = 0.218383 Jy ! Total flux subtracted in 200 components = 0.218383 Jy ! Clean residual min=-0.007420 max=0.008483 Jy/beam ! Clean residual mean=0.000088 rms=0.002171 Jy/beam ! Combined flux in latest and established models = 0.218383 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.218383 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8436 mas, bmaj=2.173 mas, bpa=0.7673 degrees ! Estimated noise=0.860931 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 = 0.0178622 Jy ! Component: 100 - total flux cleaned = 0.028835 Jy ! Component: 150 - total flux cleaned = 0.0364521 Jy ! Component: 200 - total flux cleaned = 0.0420037 Jy ! Total flux subtracted in 200 components = 0.0420037 Jy ! Clean residual min=-0.003779 max=0.003655 Jy/beam ! Clean residual mean=0.000020 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.260386 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 90 components and 0.260386 Jy ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.381 mas, bmaj=4.946 mas, bpa=12.91 degrees ! Estimated noise=1.12875 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 = 0.00694474 Jy ! Component: 100 - total flux cleaned = 0.0108479 Jy ! Component: 150 - total flux cleaned = 0.0125644 Jy ! Component: 200 - total flux cleaned = 0.0133968 Jy ! Total flux subtracted in 200 components = 0.0133968 Jy ! Clean residual min=-0.002764 max=0.003289 Jy/beam ! Clean residual mean=0.000039 rms=0.000985 Jy/beam ! Combined flux in latest and established models = 0.273783 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 111 components and 0.273783 Jy ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8436 mas, bmaj=2.173 mas, bpa=0.7673 degrees ! Estimated noise=0.860931 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 7.37667e-05 Jy ! Component: 100 - total flux cleaned = 0.000397922 Jy ! Component: 150 - total flux cleaned = 0.000857697 Jy ! Component: 200 - total flux cleaned = 0.00107564 Jy ! Total flux subtracted in 200 components = 0.00107564 Jy ! Clean residual min=-0.003053 max=0.003047 Jy/beam ! Clean residual mean=0.000017 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 0.274859 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 123 components and 0.274859 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057007Jy sigma=0.907551 ! Fit after self-cal, rms=0.056971Jy sigma=0.907290 wmodel J1935-1602_X_2007_01_11_yyk\_map.mod ! Writing 123 model components to file: J1935-1602_X_2007_01_11_yyk_map.mod wobs J1935-1602_X_2007_01_11_yyk\_uvs.fits ! Writing UV FITS file: J1935-1602_X_2007_01_11_yyk_uvs.fits wwins J1935-1602_X_2007_01_11_yyk\_map.win ! wwins: Wrote 3 windows to J1935-1602_X_2007_01_11_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 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000554476 Jy ! Component: 100 - total flux cleaned = 0.000761065 Jy ! Component: 150 - total flux cleaned = 0.00095651 Jy ! Component: 200 - total flux cleaned = 0.00100399 Jy ! Component: 250 - total flux cleaned = 0.00109432 Jy ! Component: 300 - total flux cleaned = 0.00122368 Jy ! Component: 350 - total flux cleaned = 0.001223 Jy ! Component: 400 - total flux cleaned = 0.00122303 Jy ! Component: 450 - total flux cleaned = 0.00137637 Jy ! Component: 500 - total flux cleaned = 0.00152577 Jy ! Component: 550 - total flux cleaned = 0.00163431 Jy ! Component: 600 - total flux cleaned = 0.0017751 Jy ! Component: 650 - total flux cleaned = 0.00177468 Jy ! Component: 700 - total flux cleaned = 0.00187538 Jy ! Component: 750 - total flux cleaned = 0.00187555 Jy ! Component: 800 - total flux cleaned = 0.0019397 Jy ! Component: 850 - total flux cleaned = 0.00197137 Jy ! Component: 900 - total flux cleaned = 0.00212497 Jy ! Component: 950 - total flux cleaned = 0.00221508 Jy ! Component: 1000 - total flux cleaned = 0.00227356 Jy ! Component: 1050 - total flux cleaned = 0.00224426 Jy ! Component: 1100 - total flux cleaned = 0.00221617 Jy ! Component: 1150 - total flux cleaned = 0.00218865 Jy ! Component: 1200 - total flux cleaned = 0.00216059 Jy ! Component: 1250 - total flux cleaned = 0.00202435 Jy ! Component: 1300 - total flux cleaned = 0.00191763 Jy ! Component: 1350 - total flux cleaned = 0.00183883 Jy ! Component: 1400 - total flux cleaned = 0.0017096 Jy ! Component: 1450 - total flux cleaned = 0.00160765 Jy ! Component: 1500 - total flux cleaned = 0.00145654 Jy ! Component: 1550 - total flux cleaned = 0.00143157 Jy ! Component: 1600 - total flux cleaned = 0.00121021 Jy ! Component: 1650 - total flux cleaned = 0.00106477 Jy ! Component: 1700 - total flux cleaned = 0.001017 Jy ! Component: 1750 - total flux cleaned = 0.000780043 Jy ! Component: 1800 - total flux cleaned = 0.000756713 Jy ! Component: 1850 - total flux cleaned = 0.000687052 Jy ! Component: 1900 - total flux cleaned = 0.000549663 Jy ! Component: 1950 - total flux cleaned = 0.0003916 Jy ! Component: 2000 - total flux cleaned = 0.000436532 Jy ! Total flux subtracted in 2048 components = 0.000370073 Jy ! Clean residual min=-0.001317 max=0.001290 Jy/beam ! Clean residual mean=0.000004 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.275229 Jy keep ! Adding 132 model components to the UV plane model. ! The established model now contains 255 components and 0.275229 Jy ![Exited script file: muppet] wmap "J1935-1602_X_2007_01_11_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8436 x 2.173 at 0.7673 degrees (North through East) ! Clean map min=-0.0021808 max=0.12675 Jy/beam ! Writing clean map to FITS file: J1935-1602_X_2007_01_11_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.12675 invert ! Inverting map ! Your choice of large map pixels excluded 0.616% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000408102 device "J1935-1602_X_2007_01_11_yyk\_map.eps/VPS" ! Attempting to open device: 'J1935-1602_X_2007_01_11_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.965922 0.965922 1.93184 3.86369 7.72738 15.4548 30.9095 61.819 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.126 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8436 x 2.173 at 0.7673 degrees (North through East) ! Clean map min=-0.0021808 max=0.12675 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1935-1602_X_2007_01_11_yyk\_map.gif/gif" ! Attempting to open device: 'J1935-1602_X_2007_01_11_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1935-1602_X_2007_01_11_yyk_uvs.log closed on Mon Jun 16 19:59:37 2008