! Started logfile: J1845-2852_X_2004_05_27_yyk_uvs.log on Wed Dec 7 00:45:11 2005 obs J1845-2852_X_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1845-2852_X_2004_05_27_yyk_uve.fits ! AN table 1: 8 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.858333 visibilities/baseline/integration-bin. ! Found source: J1845-2852 ! ! 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 1378 lines of history. ! ! Reading 1236 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 J1845-2852_X_2004_05_27_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)= 0.446718 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! 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 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.576381Jy sigma=8.786602 ! Fit after self-cal, rms=0.576285Jy sigma=8.784474 ! 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6877 mas, bmaj=1.803 mas, bpa=-0.1993 degrees ! Estimated noise=1.6943 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 = 0.374449 Jy ! Component: 100 - total flux cleaned = 0.430126 Jy ! Total flux subtracted in 100 components = 0.430126 Jy ! Clean residual min=-0.012820 max=0.023568 Jy/beam ! Clean residual mean=-0.000059 rms=0.003515 Jy/beam ! Combined flux in latest and established models = 0.430126 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.430126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104868Jy sigma=1.325241 ! Fit after self-cal, rms=0.104836Jy sigma=1.325048 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (-1, 2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0271826 Jy ! Component: 100 - total flux cleaned = 0.0415158 Jy ! Total flux subtracted in 100 components = 0.0415158 Jy ! Clean residual min=-0.011321 max=0.014642 Jy/beam ! Clean residual mean=-0.000014 rms=0.002752 Jy/beam ! Combined flux in latest and established models = 0.471641 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 0.471641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098973Jy sigma=1.189945 ! Fit after self-cal, rms=0.098851Jy sigma=1.185344 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8557 mas, bmaj=2.271 mas, bpa=2.088 degrees ! Estimated noise=1.28453 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 = 0.0118769 Jy ! Component: 100 - total flux cleaned = 0.0133489 Jy ! Component: 150 - total flux cleaned = 0.0144382 Jy ! Component: 200 - total flux cleaned = 0.0152718 Jy ! Total flux subtracted in 200 components = 0.0152718 Jy ! Clean residual min=-0.009759 max=0.007926 Jy/beam ! Clean residual mean=0.000027 rms=0.002274 Jy/beam ! Combined flux in latest and established models = 0.486913 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 30 components and 0.486913 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098037Jy sigma=1.161776 ! Fit after self-cal, rms=0.098052Jy sigma=1.161496 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 0.996618 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.17 KP 0.98 ! LA 0.99 MK 0.99 NL 1.02 OV 0.99 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00337 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.15 KP 0.93 ! LA 0.99 MK 0.99 NL 1.00 OV 0.96 ! PT 1.04 SC 0.95 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.985325 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 1.09 KP 0.90 ! LA 0.98 MK 1.03 NL 1.01 OV 1.01 ! PT 1.05 SC 1.03 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.959412 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.05 HN 1.17 KP 0.93 ! LA 1.00 MK 1.01 NL 1.03 OV 1.00 ! PT 1.14 SC 1.06 ! ! ! Fit before self-cal, rms=0.098052Jy sigma=1.161496 ! Fit after self-cal, rms=0.095038Jy sigma=1.082840 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=0.095038Jy sigma=1.082840 ! Fit after self-cal, rms=0.095059Jy sigma=1.082813 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.862 mas, bmaj=2.28 mas, bpa=2.406 degrees ! Estimated noise=1.25663 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 = -0.010598 Jy ! Component: 100 - total flux cleaned = -0.0146614 Jy ! Component: 150 - total flux cleaned = -0.0160209 Jy ! Component: 200 - total flux cleaned = -0.0164302 Jy ! Total flux subtracted in 200 components = -0.0164302 Jy ! Clean residual min=-0.005559 max=0.006157 Jy/beam ! Clean residual mean=-0.000040 rms=0.001409 Jy/beam ! Combined flux in latest and established models = 0.470483 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 39 components and 0.470483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094084Jy sigma=1.064501 ! Fit after self-cal, rms=0.094044Jy sigma=1.064195 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.094044Jy sigma=1.064195 ! Fit after self-cal, rms=0.092361Jy sigma=1.025175 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = -0.000563556 Jy ! Component: 100 - total flux cleaned = -0.000610648 Jy ! Component: 150 - total flux cleaned = -0.000702537 Jy ! Component: 200 - total flux cleaned = -0.000788731 Jy ! Total flux subtracted in 200 components = -0.000788731 Jy ! Clean residual min=-0.005529 max=0.006135 Jy/beam ! Clean residual mean=-0.000043 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.469694 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.469694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092317Jy sigma=1.024239 ! Fit after self-cal, rms=0.092494Jy sigma=1.020661 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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: 0.862 x 2.28 at 2.406 degrees (North through East) ! Clean map min=-0.0067234 max=0.42629 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=0.092494Jy sigma=1.020661 ! Fit after self-cal, rms=0.091245Jy sigma=0.970681 ! 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=0.091245Jy sigma=0.970681 ! Fit after self-cal, rms=0.091387Jy sigma=0.970206 ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8646 mas, bmaj=2.29 mas, bpa=2.48 degrees ! Estimated noise=1.25584 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00191835 Jy ! Component: 100 - total flux cleaned = -0.00210179 Jy ! Component: 150 - total flux cleaned = -0.00237719 Jy ! Component: 200 - total flux cleaned = -0.00257004 Jy ! Total flux subtracted in 200 components = -0.00257004 Jy ! Clean residual min=-0.005454 max=0.004290 Jy/beam ! Clean residual mean=-0.000043 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.467124 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 55 components and 0.467124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091328Jy sigma=0.968420 ! Fit after self-cal, rms=0.091384Jy sigma=0.968174 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.091384Jy sigma=0.968174 ! Fit after self-cal, rms=0.091853Jy sigma=0.963341 ! 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=0.091853Jy sigma=0.963341 ! Fit after self-cal, rms=0.091889Jy sigma=0.963323 ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8681 mas, bmaj=2.296 mas, bpa=2.427 degrees ! Estimated noise=1.25777 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000730922 Jy ! Component: 100 - total flux cleaned = -0.0011066 Jy ! Component: 150 - total flux cleaned = -0.00136808 Jy ! Component: 200 - total flux cleaned = -0.00150689 Jy ! Total flux subtracted in 200 components = -0.00150689 Jy ! Clean residual min=-0.005304 max=0.004399 Jy/beam ! Clean residual mean=-0.000043 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 0.465617 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 62 components and 0.465617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091836Jy sigma=0.962100 ! Fit after self-cal, rms=0.091843Jy sigma=0.962053 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.421 mas, bmaj=6.682 mas, bpa=3.046 degrees ! Estimated noise=1.60166 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 = -3.83853e-05 Jy ! Component: 100 - total flux cleaned = -6.87547e-05 Jy ! Component: 150 - total flux cleaned = -7.34522e-05 Jy ! Component: 200 - total flux cleaned = -3.61981e-05 Jy ! Total flux subtracted in 200 components = -3.61981e-05 Jy ! Clean residual min=-0.005054 max=0.004545 Jy/beam ! Clean residual mean=-0.000076 rms=0.001284 Jy/beam ! Combined flux in latest and established models = 0.465581 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 70 components and 0.465581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091819Jy sigma=0.962092 ! Fit after self-cal, rms=0.091836Jy sigma=0.961999 ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0,0 ! 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6915 mas, bmaj=1.804 mas, bpa=0.04276 degrees ! Estimated noise=1.69843 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.375644 Jy ! Component: 100 - total flux cleaned = 0.429459 Jy ! Component: 150 - total flux cleaned = 0.449016 Jy ! Component: 200 - total flux cleaned = 0.458419 Jy ! Total flux subtracted in 200 components = 0.458419 Jy ! Clean residual min=-0.007161 max=0.005644 Jy/beam ! Clean residual mean=-0.000028 rms=0.001579 Jy/beam ! Combined flux in latest and established models = 0.458419 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.458419 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8681 mas, bmaj=2.296 mas, bpa=2.427 degrees ! Estimated noise=1.25777 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 = 0.00570137 Jy ! Component: 100 - total flux cleaned = 0.00611458 Jy ! Component: 150 - total flux cleaned = 0.00632234 Jy ! Component: 200 - total flux cleaned = 0.00642836 Jy ! Total flux subtracted in 200 components = 0.00642836 Jy ! Clean residual min=-0.005010 max=0.004586 Jy/beam ! Clean residual mean=-0.000043 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.464848 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 38 components and 0.464848 Jy ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.421 mas, bmaj=6.682 mas, bpa=3.046 degrees ! Estimated noise=1.60166 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 = 0.0010671 Jy ! Component: 100 - total flux cleaned = 0.00116899 Jy ! Component: 150 - total flux cleaned = 0.00116751 Jy ! Component: 200 - total flux cleaned = 0.00120533 Jy ! Total flux subtracted in 200 components = 0.00120533 Jy ! Clean residual min=-0.004859 max=0.004611 Jy/beam ! Clean residual mean=-0.000071 rms=0.001289 Jy/beam ! Combined flux in latest and established models = 0.466053 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 46 components and 0.466053 Jy ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8681 mas, bmaj=2.296 mas, bpa=2.427 degrees ! Estimated noise=1.25777 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000377969 Jy ! Component: 100 - total flux cleaned = -0.000377137 Jy ! Component: 150 - total flux cleaned = -0.000456489 Jy ! Component: 200 - total flux cleaned = -0.000526512 Jy ! Total flux subtracted in 200 components = -0.000526512 Jy ! Clean residual min=-0.005086 max=0.004515 Jy/beam ! Clean residual mean=-0.000041 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.465526 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.465526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091886Jy sigma=0.962039 ! Fit after self-cal, rms=0.091877Jy sigma=0.961967 wmodel J1845-2852_X_2004_05_27_yyk\_map.mod ! Writing 53 model components to file: J1845-2852_X_2004_05_27_yyk_map.mod wobs J1845-2852_X_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1845-2852_X_2004_05_27_yyk_uvs.fits wwins J1845-2852_X_2004_05_27_yyk\_map.win ! wwins: Wrote 2 windows to J1845-2852_X_2004_05_27_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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000432124 Jy ! Component: 100 - total flux cleaned = -0.00130514 Jy ! Component: 150 - total flux cleaned = -0.00137738 Jy ! Component: 200 - total flux cleaned = -0.0016991 Jy ! Component: 250 - total flux cleaned = -0.00182249 Jy ! Component: 300 - total flux cleaned = -0.00211977 Jy ! Component: 350 - total flux cleaned = -0.00246373 Jy ! Component: 400 - total flux cleaned = -0.0030188 Jy ! Component: 450 - total flux cleaned = -0.00344841 Jy ! Component: 500 - total flux cleaned = -0.00376257 Jy ! Component: 550 - total flux cleaned = -0.0040188 Jy ! Component: 600 - total flux cleaned = -0.00456739 Jy ! Component: 650 - total flux cleaned = -0.00490867 Jy ! Component: 700 - total flux cleaned = -0.00519481 Jy ! Component: 750 - total flux cleaned = -0.00556797 Jy ! Component: 800 - total flux cleaned = -0.00579619 Jy ! Component: 850 - total flux cleaned = -0.00593163 Jy ! Component: 900 - total flux cleaned = -0.00615349 Jy ! Component: 950 - total flux cleaned = -0.006415 Jy ! Component: 1000 - total flux cleaned = -0.00650061 Jy ! Component: 1050 - total flux cleaned = -0.00662851 Jy ! Component: 1100 - total flux cleaned = -0.00667072 Jy ! Component: 1150 - total flux cleaned = -0.00683421 Jy ! Component: 1200 - total flux cleaned = -0.00687401 Jy ! Component: 1250 - total flux cleaned = -0.00687365 Jy ! Component: 1300 - total flux cleaned = -0.00695164 Jy ! Component: 1350 - total flux cleaned = -0.00699039 Jy ! Component: 1400 - total flux cleaned = -0.00706703 Jy ! Component: 1450 - total flux cleaned = -0.00717935 Jy ! Component: 1500 - total flux cleaned = -0.007253 Jy ! Component: 1550 - total flux cleaned = -0.00718008 Jy ! Component: 1600 - total flux cleaned = -0.00739604 Jy ! Component: 1650 - total flux cleaned = -0.00739565 Jy ! Component: 1700 - total flux cleaned = -0.00739572 Jy ! Component: 1750 - total flux cleaned = -0.00739603 Jy ! Component: 1800 - total flux cleaned = -0.00736215 Jy ! Component: 1850 - total flux cleaned = -0.00736201 Jy ! Component: 1900 - total flux cleaned = -0.00739554 Jy ! Component: 1950 - total flux cleaned = -0.00739451 Jy ! Component: 2000 - total flux cleaned = -0.0073278 Jy ! Total flux subtracted in 2048 components = -0.00742627 Jy ! Clean residual min=-0.002050 max=0.001794 Jy/beam ! Clean residual mean=-0.000020 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.4581 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 198 components and 0.4581 Jy ![Exited script file: muppet] wmap "J1845-2852_X_2004_05_27_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8681 x 2.296 at 2.427 degrees (North through East) ! Clean map min=-0.0030149 max=0.43409 Jy/beam ! Writing clean map to FITS file: J1845-2852_X_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.434091 invert ! Inverting map ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000630365 device "J1845-2852_X_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1845-2852_X_2004_05_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.435645 0.435645 0.871289 1.74258 3.48516 6.97031 13.9406 27.8812 55.7625 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.434 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8681 x 2.296 at 2.427 degrees (North through East) ! Clean map min=-0.0030149 max=0.43409 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1845-2852_X_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1845-2852_X_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1845-2852_X_2004_05_27_yyk_uvs.log closed on Wed Dec 7 00:45:16 2005