! Started logfile: J1258-1800_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:30:40 2011 obs J1258-1800_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1258-1800_X_2009_04_21_pus_uva.fits ! AN table 1: 86 integrations on 120 of 120 possible baselines. ! AN table 2: 39 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.272333 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1258-1800 ! ! 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 2445 lines of history. ! ! Reading 16340 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 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1258-1800_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 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. startmod ! Applying default point source starting model. ! Performing phase self-cal ! 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 704 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 702 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.746593Jy sigma=0.005961 ! Fit after self-cal, rms=0.619580Jy sigma=0.004906 ! 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 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.6869 mas, bmaj=1.869 mas, bpa=-4.239 degrees ! Estimated noise=1154.04 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.31109 Jy ! Component: 100 - total flux cleaned = 0.379592 Jy ! Total flux subtracted in 100 components = 0.379592 Jy ! Clean residual min=-0.009609 max=0.021869 Jy/beam ! Clean residual mean=0.000019 rms=0.002513 Jy/beam ! Combined flux in latest and established models = 0.379592 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.379592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179251Jy sigma=0.001278 ! Fit after self-cal, rms=0.179244Jy sigma=0.001278 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0242146 Jy ! Component: 100 - total flux cleaned = 0.0381332 Jy ! Total flux subtracted in 100 components = 0.0381332 Jy ! Clean residual min=-0.007367 max=0.009352 Jy/beam ! Clean residual mean=0.000012 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 0.417725 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 25 components and 0.417725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174888Jy sigma=0.001227 ! Fit after self-cal, rms=0.174898Jy sigma=0.001227 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! 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 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8322 mas, bmaj=2.13 mas, bpa=-5.903 degrees ! Estimated noise=701.202 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014484 Jy ! Component: 100 - total flux cleaned = 0.0217104 Jy ! Component: 150 - total flux cleaned = 0.0260075 Jy ! Component: 200 - total flux cleaned = 0.02864 Jy ! Total flux subtracted in 200 components = 0.02864 Jy ! Clean residual min=-0.005547 max=0.007469 Jy/beam ! Clean residual mean=-0.000007 rms=0.001344 Jy/beam ! Combined flux in latest and established models = 0.446365 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.446365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173959Jy sigma=0.001214 ! Fit after self-cal, rms=0.173986Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Added new window around map position (-1.2, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00568477 Jy ! Component: 100 - total flux cleaned = 0.00496617 Jy ! Component: 150 - total flux cleaned = 0.00448474 Jy ! Component: 200 - total flux cleaned = 0.00406913 Jy ! Total flux subtracted in 200 components = 0.00406913 Jy ! Clean residual min=-0.004460 max=0.005765 Jy/beam ! Clean residual mean=-0.000007 rms=0.001232 Jy/beam ! Combined flux in latest and established models = 0.450434 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 0.450434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173687Jy sigma=0.001212 ! Fit after self-cal, rms=0.173665Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 0.405% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.99 KB 1.00* ! KK 1.09 KP 0.99 LA 1.03 MK 1.04 ! NL 1.01 NY 1.00* OV 1.01 PT 1.01 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HN 1.03 KB 1.00* ! KK 0.99 KP 0.96 LA 0.97 MK 0.98 ! NL 0.99 NY 1.00* OV 0.96 PT 0.99 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.01 KB 1.00* ! KK 1.03 KP 1.00 LA 1.03 MK 1.01 ! NL 0.99 NY 1.00* OV 0.99 PT 1.00 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00 HN 1.03 KB 1.00* ! KK 1.02 KP 0.97 LA 0.98 MK 0.92 ! NL 0.98 NY 1.00* OV 0.95 PT 0.94 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.01 KB 1.00* ! KK 1.06 KP 0.99 LA 1.02 MK 1.02 ! NL 1.03 NY 1.00* OV 1.02 PT 1.02 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.96 HN 1.03 KB 1.00* ! KK 0.98 KP 0.96 LA 0.99 MK 0.97 ! NL 1.01 NY 1.00* OV 1.00 PT 0.95 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.02 KB 1.00* ! KK 1.04 KP 0.98 LA 1.01 MK 1.03 ! NL 1.01 NY 1.00* OV 1.02 PT 1.00 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.03 HN 1.03 KB 1.00* ! KK 1.01 KP 0.99 LA 0.95 MK 1.04 ! NL 0.99 NY 1.00* OV 0.96 PT 0.95 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.173665Jy sigma=0.001211 ! Fit after self-cal, rms=0.174947Jy sigma=0.001205 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8397 mas, bmaj=2.15 mas, bpa=-5.871 degrees ! Estimated noise=703.885 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00125296 Jy ! Component: 100 - total flux cleaned = -0.00147458 Jy ! Component: 150 - total flux cleaned = -0.00159539 Jy ! Component: 200 - total flux cleaned = -0.00179023 Jy ! Total flux subtracted in 200 components = -0.00179023 Jy ! Clean residual min=-0.003795 max=0.004115 Jy/beam ! Clean residual mean=0.000026 rms=0.000977 Jy/beam ! Combined flux in latest and established models = 0.448644 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 0.448644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174888Jy sigma=0.001205 ! Fit after self-cal, rms=0.174936Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174936Jy sigma=0.001205 ! Fit after self-cal, rms=0.175349Jy sigma=0.001201 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8405 mas, bmaj=2.151 mas, bpa=-5.796 degrees ! Estimated noise=702.847 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000969575 Jy ! Component: 100 - total flux cleaned = -0.00142898 Jy ! Component: 150 - total flux cleaned = -0.00157691 Jy ! Component: 200 - total flux cleaned = -0.00157761 Jy ! Total flux subtracted in 200 components = -0.00157761 Jy ! Clean residual min=-0.003102 max=0.003653 Jy/beam ! Clean residual mean=0.000034 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.447067 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 82 components and 0.447067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175325Jy sigma=0.001201 ! Fit after self-cal, rms=0.175340Jy sigma=0.001201 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (11.6, -21.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00236821 Jy ! Component: 100 - total flux cleaned = 0.00277179 Jy ! Component: 150 - total flux cleaned = 0.00282715 Jy ! Component: 200 - total flux cleaned = 0.0027287 Jy ! Total flux subtracted in 200 components = 0.0027287 Jy ! Clean residual min=-0.002949 max=0.003140 Jy/beam ! Clean residual mean=0.000033 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.449795 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 101 components and 0.449795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175264Jy sigma=0.001200 ! Fit after self-cal, rms=0.175256Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175256Jy sigma=0.001200 ! Fit after self-cal, rms=0.175772Jy sigma=0.001198 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8406 mas, bmaj=2.15 mas, bpa=-5.793 degrees ! Estimated noise=703.677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000217775 Jy ! Component: 100 - total flux cleaned = 0.000217539 Jy ! Component: 150 - total flux cleaned = 0.000216004 Jy ! Component: 200 - total flux cleaned = 0.000253797 Jy ! Total flux subtracted in 200 components = 0.000253797 Jy ! Clean residual min=-0.002787 max=0.003012 Jy/beam ! Clean residual mean=0.000011 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.450049 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 111 components and 0.450049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175749Jy sigma=0.001198 ! Fit after self-cal, rms=0.175758Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.93003e-05 Jy ! Component: 100 - total flux cleaned = 0.000114921 Jy ! Component: 150 - total flux cleaned = 0.000150086 Jy ! Component: 200 - total flux cleaned = 0.000183226 Jy ! Total flux subtracted in 200 components = 0.000183226 Jy ! Clean residual min=-0.002761 max=0.002983 Jy/beam ! Clean residual mean=0.000012 rms=0.000735 Jy/beam ! Combined flux in latest and established models = 0.450232 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 116 components and 0.450232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175744Jy sigma=0.001198 ! Fit after self-cal, rms=0.175742Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175742Jy sigma=0.001198 ! Fit after self-cal, rms=0.175814Jy sigma=0.001198 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=4.214 mas, bpa=-2.669 degrees ! Estimated noise=873.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000657656 Jy ! Component: 100 - total flux cleaned = 0.000783713 Jy ! Component: 150 - total flux cleaned = 0.00082705 Jy ! Component: 200 - total flux cleaned = 0.000866121 Jy ! Total flux subtracted in 200 components = 0.000866121 Jy ! Clean residual min=-0.002449 max=0.003067 Jy/beam ! Clean residual mean=0.000029 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 0.451099 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 123 components and 0.451099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175813Jy sigma=0.001198 ! Fit after self-cal, rms=0.175812Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000188614 Jy ! Component: 100 - total flux cleaned = 0.000221993 Jy ! Component: 150 - total flux cleaned = 0.000238438 Jy ! Component: 200 - total flux cleaned = 0.00025354 Jy ! Total flux subtracted in 200 components = 0.00025354 Jy ! Clean residual min=-0.002431 max=0.003092 Jy/beam ! Clean residual mean=0.000029 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.451352 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 127 components and 0.451352 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175810Jy sigma=0.001198 ! Fit after self-cal, rms=0.175810Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8407 mas, bmaj=2.151 mas, bpa=-5.794 degrees ! Estimated noise=703.766 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8407 x 2.151 at -5.794 degrees (North through East) ! Clean map min=-0.0023308 max=0.40387 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative 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 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.6907 mas, bmaj=1.88 mas, bpa=-4.066 degrees ! Estimated noise=1132.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.314303 Jy ! Component: 100 - total flux cleaned = 0.383871 Jy ! Component: 150 - total flux cleaned = 0.408328 Jy ! Component: 200 - total flux cleaned = 0.42168 Jy ! Total flux subtracted in 200 components = 0.42168 Jy ! Clean residual min=-0.005770 max=0.006710 Jy/beam ! Clean residual mean=0.000007 rms=0.001444 Jy/beam ! Combined flux in latest and established models = 0.42168 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! 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 0.42168 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8407 mas, bmaj=2.151 mas, bpa=-5.794 degrees ! Estimated noise=703.766 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109809 Jy ! Component: 100 - total flux cleaned = 0.0173133 Jy ! Component: 150 - total flux cleaned = 0.0214729 Jy ! Component: 200 - total flux cleaned = 0.0238156 Jy ! Total flux subtracted in 200 components = 0.0238156 Jy ! Clean residual min=-0.003202 max=0.003069 Jy/beam ! Clean residual mean=0.000012 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.445496 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 50 components and 0.445496 Jy ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=4.214 mas, bpa=-2.669 degrees ! Estimated noise=873.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296263 Jy ! Component: 100 - total flux cleaned = 0.00450635 Jy ! Component: 150 - total flux cleaned = 0.00504912 Jy ! Component: 200 - total flux cleaned = 0.00534386 Jy ! Total flux subtracted in 200 components = 0.00534386 Jy ! Clean residual min=-0.002491 max=0.002935 Jy/beam ! Clean residual mean=0.000028 rms=0.000809 Jy/beam ! Combined flux in latest and established models = 0.45084 Jy flux_cutoff = imstat(rms) * dynam 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000139914 Jy ! Component: 100 - total flux cleaned = 0.000213333 Jy ! Component: 150 - total flux cleaned = 0.0002355 Jy ! Component: 200 - total flux cleaned = 0.000234879 Jy ! Total flux subtracted in 200 components = 0.000234879 Jy ! Clean residual min=-0.002497 max=0.002953 Jy/beam ! Clean residual mean=0.000028 rms=0.000802 Jy/beam ! Combined flux in latest and established models = 0.451075 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 75 components and 0.451075 Jy ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.8407 mas, bmaj=2.151 mas, bpa=-5.794 degrees ! Estimated noise=703.766 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000391794 Jy ! Component: 100 - total flux cleaned = -0.000527133 Jy ! Component: 150 - total flux cleaned = -0.000696626 Jy ! Component: 200 - total flux cleaned = -0.000695656 Jy ! Total flux subtracted in 200 components = -0.000695656 Jy ! Clean residual min=-0.003078 max=0.003001 Jy/beam ! Clean residual mean=0.000012 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 0.450379 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 92 components and 0.450379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175884Jy sigma=0.001198 ! Fit after self-cal, rms=0.175872Jy sigma=0.001198 wmodel J1258-1800_X_2009_04_21_pus_map.mod ! Writing 92 model components to file: J1258-1800_X_2009_04_21_pus_map.mod wobs J1258-1800_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1258-1800_X_2009_04_21_pus_uvs.fits wwins J1258-1800_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J1258-1800_X_2009_04_21_pus_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 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000204236 Jy ! Component: 100 - total flux cleaned = -0.000634292 Jy ! Component: 150 - total flux cleaned = -0.000908833 Jy ! Component: 200 - total flux cleaned = -0.00108598 Jy ! Component: 250 - total flux cleaned = -0.00121539 Jy ! Component: 300 - total flux cleaned = -0.00121482 Jy ! Component: 350 - total flux cleaned = -0.00125669 Jy ! Component: 400 - total flux cleaned = -0.00121587 Jy ! Component: 450 - total flux cleaned = -0.00125659 Jy ! Component: 500 - total flux cleaned = -0.00125626 Jy ! Component: 550 - total flux cleaned = -0.0012168 Jy ! Component: 600 - total flux cleaned = -0.0011404 Jy ! Component: 650 - total flux cleaned = -0.00114011 Jy ! Component: 700 - total flux cleaned = -0.000915915 Jy ! Component: 750 - total flux cleaned = -0.000916929 Jy ! Component: 800 - total flux cleaned = -0.000953742 Jy ! Component: 850 - total flux cleaned = -0.00084571 Jy ! Component: 900 - total flux cleaned = -0.00095279 Jy ! Component: 950 - total flux cleaned = -0.000881664 Jy ! Component: 1000 - total flux cleaned = -0.000776841 Jy ! Component: 1050 - total flux cleaned = -0.000638794 Jy ! Component: 1100 - total flux cleaned = -0.000638743 Jy ! Component: 1150 - total flux cleaned = -0.000639176 Jy ! Component: 1200 - total flux cleaned = -0.000605337 Jy ! Component: 1250 - total flux cleaned = -0.000738248 Jy ! Component: 1300 - total flux cleaned = -0.000738167 Jy ! Component: 1350 - total flux cleaned = -0.000803595 Jy ! Component: 1400 - total flux cleaned = -0.000705773 Jy ! Component: 1450 - total flux cleaned = -0.000737592 Jy ! Component: 1500 - total flux cleaned = -0.00073778 Jy ! Component: 1550 - total flux cleaned = -0.000801467 Jy ! Component: 1600 - total flux cleaned = -0.000770003 Jy ! Component: 1650 - total flux cleaned = -0.000769778 Jy ! Component: 1700 - total flux cleaned = -0.000645822 Jy ! Component: 1750 - total flux cleaned = -0.000738424 Jy ! Component: 1800 - total flux cleaned = -0.000616338 Jy ! Component: 1850 - total flux cleaned = -0.000707831 Jy ! Component: 1900 - total flux cleaned = -0.000677777 Jy ! Component: 1950 - total flux cleaned = -0.00070799 Jy ! Component: 2000 - total flux cleaned = -0.000589138 Jy ! Total flux subtracted in 2048 components = -0.000618881 Jy ! Clean residual min=-0.001917 max=0.001844 Jy/beam ! Clean residual mean=0.000010 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.44976 Jy keep ! Adding 161 model components to the UV plane model. ! The established model now contains 253 components and 0.44976 Jy ![Exited script file: muppet] wmap "J1258-1800_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8407 x 2.151 at -5.794 degrees (North through East) ! Clean map min=-0.0025276 max=0.40555 Jy/beam ! Writing clean map to FITS file: J1258-1800_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.405551 invert ! Inverting map ! Your choice of large map pixels excluded 0.37% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000571851 device "J1258-1800_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1258-1800_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.423017 0.423017 0.846035 1.69207 3.38414 6.76828 13.5366 27.0731 54.1462 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.405 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8407 x 2.151 at -5.794 degrees (North through East) ! Clean map min=-0.0025276 max=0.40555 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1258-1800_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1258-1800_X_2009_04_21_pus_map.gif/vgif' mapplot cln