! Started logfile: J1257-3155_X_2004_05_27_yyk_uvs.log on Wed Dec 7 00:25:15 2005 obs J1257-3155_X_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1257-3155_X_2004_05_27_yyk_uve.fits ! AN table 1: 12 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.909259 visibilities/baseline/integration-bin. ! Found source: J1257-3155 ! ! 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 1964 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 J1257-3155_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)= 1.24749 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=0.490389Jy sigma=7.411151 ! Fit after self-cal, rms=0.490521Jy sigma=7.409606 ! 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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6285 mas, bmaj=1.74 mas, bpa=-5.531 degrees ! Estimated noise=1.66373 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 = 1.0076 Jy ! Component: 100 - total flux cleaned = 1.27232 Jy ! Total flux subtracted in 100 components = 1.27232 Jy ! Clean residual min=-0.030025 max=0.074620 Jy/beam ! Clean residual mean=-0.000392 rms=0.010135 Jy/beam ! Combined flux in latest and established models = 1.27232 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.27232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249507Jy sigma=3.739062 ! Fit after self-cal, rms=0.248913Jy sigma=3.733736 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0945913 Jy ! Component: 100 - total flux cleaned = 0.144735 Jy ! Total flux subtracted in 100 components = 0.144735 Jy ! Clean residual min=-0.025368 max=0.051529 Jy/beam ! Clean residual mean=-0.000215 rms=0.007351 Jy/beam ! Combined flux in latest and established models = 1.41706 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 1.41706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204645Jy sigma=2.694356 ! Fit after self-cal, rms=0.204658Jy sigma=2.693098 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (-1, 2.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0562562 Jy ! Component: 100 - total flux cleaned = 0.0858806 Jy ! Total flux subtracted in 100 components = 0.0858806 Jy ! Clean residual min=-0.025237 max=0.042184 Jy/beam ! Clean residual mean=-0.000109 rms=0.006364 Jy/beam ! Combined flux in latest and established models = 1.50294 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 35 components and 1.50294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185872Jy sigma=2.305577 ! Fit after self-cal, rms=0.184318Jy sigma=2.268226 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8049 mas, bmaj=2.13 mas, bpa=-4.335 degrees ! Estimated noise=1.13577 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 = 0.0570977 Jy ! Component: 100 - total flux cleaned = 0.0810502 Jy ! Component: 150 - total flux cleaned = 0.0906377 Jy ! Component: 200 - total flux cleaned = 0.0917785 Jy ! Total flux subtracted in 200 components = 0.0917785 Jy ! Clean residual min=-0.023056 max=0.041717 Jy/beam ! Clean residual mean=-0.000011 rms=0.007553 Jy/beam ! Combined flux in latest and established models = 1.59472 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 48 components and 1.59472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179000Jy sigma=2.064533 ! Fit after self-cal, rms=0.178517Jy sigma=2.051951 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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: 0.986624 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.95 HN 1.18 KP 0.98 ! LA 0.99 MK 1.02 NL 1.05 OV 1.01 ! PT 0.96 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: 0.988585 ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 1.08 KP 0.89 ! LA 0.99 MK 0.99 NL 1.01 OV 1.03 ! PT 1.03 SC 1.03 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.962656 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 1.15 KP 0.93 ! LA 0.99 MK 1.00 NL 1.04 OV 1.04 ! PT 1.10 SC 1.05 ! ! ! Fit before self-cal, rms=0.178517Jy sigma=2.051951 ! Fit after self-cal, rms=0.164445Jy sigma=1.856184 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=0.164445Jy sigma=1.856184 ! Fit after self-cal, rms=0.164464Jy sigma=1.856129 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8127 mas, bmaj=2.141 mas, bpa=-4.521 degrees ! Estimated noise=1.11533 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 (4, 11.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164435 Jy ! Component: 100 - total flux cleaned = 0.0182638 Jy ! Component: 150 - total flux cleaned = 0.0192072 Jy ! Component: 200 - total flux cleaned = 0.018596 Jy ! Total flux subtracted in 200 components = 0.018596 Jy ! Clean residual min=-0.013915 max=0.027243 Jy/beam ! Clean residual mean=0.000051 rms=0.003957 Jy/beam ! Combined flux in latest and established models = 1.61331 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 90 components and 1.61331 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155706Jy sigma=1.700345 ! Fit after self-cal, rms=0.155336Jy sigma=1.693433 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (2, 4.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0255502 Jy ! Component: 100 - total flux cleaned = 0.0260394 Jy ! Component: 150 - total flux cleaned = 0.0253494 Jy ! Component: 200 - total flux cleaned = 0.024428 Jy ! Total flux subtracted in 200 components = 0.024428 Jy ! Clean residual min=-0.012714 max=0.014950 Jy/beam ! Clean residual mean=0.000119 rms=0.003187 Jy/beam ! Combined flux in latest and established models = 1.63774 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 120 components and 1.63774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149828Jy sigma=1.618531 ! Fit after self-cal, rms=0.149233Jy sigma=1.604417 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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=0.149233Jy sigma=1.604417 ! Fit after self-cal, rms=0.144590Jy sigma=1.548213 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 = 0.00839649 Jy ! Component: 100 - total flux cleaned = 0.00646593 Jy ! Component: 150 - total flux cleaned = 0.00513606 Jy ! Component: 200 - total flux cleaned = 0.00395131 Jy ! Total flux subtracted in 200 components = 0.00395131 Jy ! Clean residual min=-0.010953 max=0.012844 Jy/beam ! Clean residual mean=0.000136 rms=0.002949 Jy/beam ! Combined flux in latest and established models = 1.64169 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 136 components and 1.64169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142701Jy sigma=1.526125 ! Fit after self-cal, rms=0.141079Jy sigma=1.516174 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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: 0.8127 x 2.141 at -4.521 degrees (North through East) ! Clean map min=-0.010097 max=1.1031 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=0.141079Jy sigma=1.516174 ! Fit after self-cal, rms=0.126239Jy sigma=1.214799 ! 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=0.126239Jy sigma=1.214799 ! Fit after self-cal, rms=0.125397Jy sigma=1.212778 ! Inverting map and beam ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8091 mas, bmaj=2.127 mas, bpa=-4.824 degrees ! Estimated noise=1.11834 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00797859 Jy ! Component: 100 - total flux cleaned = 0.00855826 Jy ! Component: 150 - total flux cleaned = 0.00902868 Jy ! Component: 200 - total flux cleaned = 0.0095795 Jy ! Total flux subtracted in 200 components = 0.0095795 Jy ! Clean residual min=-0.008695 max=0.008580 Jy/beam ! Clean residual mean=0.000057 rms=0.002064 Jy/beam ! Combined flux in latest and established models = 1.65127 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 150 components and 1.65127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124008Jy sigma=1.190173 ! Fit after self-cal, rms=0.123185Jy sigma=1.185084 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (10.6, 11.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00889396 Jy ! Component: 100 - total flux cleaned = 0.0108726 Jy ! Component: 150 - total flux cleaned = 0.0110733 Jy ! Component: 200 - total flux cleaned = 0.0115558 Jy ! Total flux subtracted in 200 components = 0.0115558 Jy ! Clean residual min=-0.007899 max=0.006611 Jy/beam ! Clean residual mean=0.000025 rms=0.001770 Jy/beam ! Combined flux in latest and established models = 1.66283 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 182 components and 1.66283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122267Jy sigma=1.168594 ! Fit after self-cal, rms=0.121755Jy sigma=1.166130 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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=0.121755Jy sigma=1.166130 ! Fit after self-cal, rms=0.120901Jy sigma=1.143774 ! 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=0.120901Jy sigma=1.143774 ! Fit after self-cal, rms=0.120672Jy sigma=1.143402 ! Inverting map and beam ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8066 mas, bmaj=2.122 mas, bpa=-4.987 degrees ! Estimated noise=1.12009 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00638075 Jy ! Component: 100 - total flux cleaned = 0.00804257 Jy ! Component: 150 - total flux cleaned = 0.0089154 Jy ! Component: 200 - total flux cleaned = 0.00907707 Jy ! Total flux subtracted in 200 components = 0.00907707 Jy ! Clean residual min=-0.007697 max=0.006949 Jy/beam ! Clean residual mean=0.000029 rms=0.001716 Jy/beam ! Combined flux in latest and established models = 1.6719 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 200 components and 1.6719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119982Jy sigma=1.131764 ! Fit after self-cal, rms=0.119735Jy sigma=1.130125 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.504 mas, bmaj=6.903 mas, bpa=-1.614 degrees ! Estimated noise=1.49368 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 = 0.0017785 Jy ! Component: 100 - total flux cleaned = 0.00209373 Jy ! Component: 150 - total flux cleaned = 0.00245149 Jy ! Component: 200 - total flux cleaned = 0.00273918 Jy ! Total flux subtracted in 200 components = 0.00273918 Jy ! Clean residual min=-0.006535 max=0.007427 Jy/beam ! Clean residual mean=0.000047 rms=0.002229 Jy/beam ! Combined flux in latest and established models = 1.67464 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 213 components and 1.67464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119434Jy sigma=1.127759 ! Fit after self-cal, rms=0.119257Jy sigma=1.126496 ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6277 mas, bmaj=1.73 mas, bpa=-5.934 degrees ! Estimated noise=1.66798 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.0171 Jy ! Component: 100 - total flux cleaned = 1.29124 Jy ! Component: 150 - total flux cleaned = 1.39071 Jy ! Component: 200 - total flux cleaned = 1.45179 Jy ! Total flux subtracted in 200 components = 1.45179 Jy ! Clean residual min=-0.013653 max=0.026846 Jy/beam ! Clean residual mean=-0.000170 rms=0.004583 Jy/beam ! Combined flux in latest and established models = 1.45179 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 32 model components to the UV plane model. ! The established model now contains 32 components and 1.45179 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8066 mas, bmaj=2.122 mas, bpa=-4.987 degrees ! Estimated noise=1.12009 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 = 0.0793225 Jy ! Component: 100 - total flux cleaned = 0.121754 Jy ! Component: 150 - total flux cleaned = 0.14856 Jy ! Component: 200 - total flux cleaned = 0.166445 Jy ! Total flux subtracted in 200 components = 0.166445 Jy ! Clean residual min=-0.009707 max=0.011535 Jy/beam ! Clean residual mean=-0.000042 rms=0.002783 Jy/beam ! Combined flux in latest and established models = 1.61823 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 87 components and 1.61823 Jy ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.504 mas, bmaj=6.903 mas, bpa=-1.614 degrees ! Estimated noise=1.49368 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 = 0.0213756 Jy ! Component: 100 - total flux cleaned = 0.0343427 Jy ! Component: 150 - total flux cleaned = 0.0429647 Jy ! Component: 200 - total flux cleaned = 0.0489103 Jy ! Total flux subtracted in 200 components = 0.0489103 Jy ! Clean residual min=-0.006896 max=0.008098 Jy/beam ! Clean residual mean=0.000011 rms=0.002384 Jy/beam ! Combined flux in latest and established models = 1.66714 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 128 components and 1.66714 Jy ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8066 mas, bmaj=2.122 mas, bpa=-4.987 degrees ! Estimated noise=1.12009 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000257256 Jy ! Component: 100 - total flux cleaned = 0.000635401 Jy ! Component: 150 - total flux cleaned = 0.00137127 Jy ! Component: 200 - total flux cleaned = 0.00219478 Jy ! Total flux subtracted in 200 components = 0.00219478 Jy ! Clean residual min=-0.007614 max=0.008086 Jy/beam ! Clean residual mean=0.000008 rms=0.001705 Jy/beam ! Combined flux in latest and established models = 1.66934 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 150 components and 1.66934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118564Jy sigma=1.126482 ! Fit after self-cal, rms=0.118334Jy sigma=1.120479 wmodel J1257-3155_X_2004_05_27_yyk\_map.mod ! Writing 150 model components to file: J1257-3155_X_2004_05_27_yyk_map.mod wobs J1257-3155_X_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1257-3155_X_2004_05_27_yyk_uvs.fits wwins J1257-3155_X_2004_05_27_yyk\_map.win ! wwins: Wrote 5 windows to J1257-3155_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 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000612653 Jy ! Component: 100 - total flux cleaned = 0.000466014 Jy ! Component: 150 - total flux cleaned = 0.00177967 Jy ! Component: 200 - total flux cleaned = 0.00283288 Jy ! Component: 250 - total flux cleaned = 0.00356711 Jy ! Component: 300 - total flux cleaned = 0.00409721 Jy ! Component: 350 - total flux cleaned = 0.00478708 Jy ! Component: 400 - total flux cleaned = 0.00570844 Jy ! Component: 450 - total flux cleaned = 0.00628126 Jy ! Component: 500 - total flux cleaned = 0.006602 Jy ! Component: 550 - total flux cleaned = 0.00707317 Jy ! Component: 600 - total flux cleaned = 0.0070724 Jy ! Component: 650 - total flux cleaned = 0.00699758 Jy ! Component: 700 - total flux cleaned = 0.00714562 Jy ! Component: 750 - total flux cleaned = 0.0072905 Jy ! Component: 800 - total flux cleaned = 0.00736231 Jy ! Component: 850 - total flux cleaned = 0.00764399 Jy ! Component: 900 - total flux cleaned = 0.00778319 Jy ! Component: 950 - total flux cleaned = 0.00798944 Jy ! Component: 1000 - total flux cleaned = 0.00798959 Jy ! Component: 1050 - total flux cleaned = 0.0083244 Jy ! Component: 1100 - total flux cleaned = 0.0084554 Jy ! Component: 1150 - total flux cleaned = 0.00858512 Jy ! Component: 1200 - total flux cleaned = 0.0085851 Jy ! Component: 1250 - total flux cleaned = 0.00871299 Jy ! Component: 1300 - total flux cleaned = 0.00877589 Jy ! Component: 1350 - total flux cleaned = 0.00883855 Jy ! Component: 1400 - total flux cleaned = 0.00890017 Jy ! Component: 1450 - total flux cleaned = 0.00890052 Jy ! Component: 1500 - total flux cleaned = 0.00902188 Jy ! Component: 1550 - total flux cleaned = 0.00914162 Jy ! Component: 1600 - total flux cleaned = 0.00925989 Jy ! Component: 1650 - total flux cleaned = 0.00943571 Jy ! Component: 1700 - total flux cleaned = 0.00955133 Jy ! Component: 1750 - total flux cleaned = 0.00949405 Jy ! Component: 1800 - total flux cleaned = 0.00966563 Jy ! Component: 1850 - total flux cleaned = 0.0095527 Jy ! Component: 1900 - total flux cleaned = 0.00966517 Jy ! Component: 1950 - total flux cleaned = 0.00977723 Jy ! Component: 2000 - total flux cleaned = 0.00977784 Jy ! Total flux subtracted in 2048 components = 0.00988873 Jy ! Clean residual min=-0.002889 max=0.002917 Jy/beam ! Clean residual mean=0.000005 rms=0.001079 Jy/beam ! Combined flux in latest and established models = 1.67923 Jy keep ! Adding 150 model components to the UV plane model. ! The established model now contains 299 components and 1.67923 Jy ![Exited script file: muppet] wmap "J1257-3155_X_2004_05_27_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8066 x 2.122 at -4.987 degrees (North through East) ! Clean map min=-0.0064174 max=1.118 Jy/beam ! Writing clean map to FITS file: J1257-3155_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 1.11801 invert ! Inverting map ! Your choice of large map pixels excluded 0.218% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00107621 device "J1257-3155_X_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1257-3155_X_2004_05_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.288784 0.288784 0.577569 1.15514 2.31028 4.62055 9.2411 18.4822 36.9644 73.9288 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.118 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8066 x 2.122 at -4.987 degrees (North through East) ! Clean map min=-0.0064174 max=1.118 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1257-3155_X_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1257-3155_X_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1257-3155_X_2004_05_27_yyk_uvs.log closed on Wed Dec 7 00:25:20 2005