! Started logfile: J0038-2459_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:31:42 2011 obs J0038-2459_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0038-2459_X_2009_04_21_pus_uva.fits ! AN table 1: 86 integrations on 120 of 120 possible baselines. ! AN table 2: 14 integrations on 120 of 120 possible baselines. ! AN table 3: 40 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.135119 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0038-2459 ! ! 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 3297 lines of history. ! ! Reading 9080 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 J0038-2459_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 959 telescope corrections were flagged in sub-array 1. ! A total of 116 telescope corrections were flagged in sub-array 2. ! A total of 456 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 959 telescope corrections were flagged in sub-array 1. ! A total of 116 telescope corrections were flagged in sub-array 2. ! A total of 456 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 959 telescope corrections were flagged in sub-array 1. ! A total of 116 telescope corrections were flagged in sub-array 2. ! A total of 456 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 959 telescope corrections were flagged in sub-array 1. ! A total of 116 telescope corrections were flagged in sub-array 2. ! A total of 456 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.818228Jy sigma=0.006073 ! Fit after self-cal, rms=0.426138Jy sigma=0.003155 ! 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 0.357% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6601 mas, bmaj=1.89 mas, bpa=-1.366 degrees ! Estimated noise=1511.63 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 = 0.473828 Jy ! Component: 100 - total flux cleaned = 0.580873 Jy ! Total flux subtracted in 100 components = 0.580873 Jy ! Clean residual min=-0.018369 max=0.037310 Jy/beam ! Clean residual mean=0.000240 rms=0.005415 Jy/beam ! Combined flux in latest and established models = 0.580873 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.580873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220413Jy sigma=0.001562 ! Fit after self-cal, rms=0.220421Jy sigma=0.001562 ! Inverting map ! Your choice of large map pixels excluded 0.357% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0426297 Jy ! Component: 100 - total flux cleaned = 0.0687909 Jy ! Total flux subtracted in 100 components = 0.0687909 Jy ! Clean residual min=-0.019297 max=0.025590 Jy/beam ! Clean residual mean=0.000093 rms=0.004536 Jy/beam ! Combined flux in latest and established models = 0.649664 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 22 components and 0.649664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207913Jy sigma=0.001467 ! Fit after self-cal, rms=0.207951Jy sigma=0.001467 ! Inverting map ! Your choice of large map pixels excluded 0.357% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 0.357% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8477 mas, bmaj=2.274 mas, bpa=-2.485 degrees ! Estimated noise=1003.23 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 (-1.4, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0292054 Jy ! Component: 100 - total flux cleaned = 0.0440017 Jy ! Component: 150 - total flux cleaned = 0.0498066 Jy ! Component: 200 - total flux cleaned = 0.0513314 Jy ! Total flux subtracted in 200 components = 0.0513314 Jy ! Clean residual min=-0.017147 max=0.019551 Jy/beam ! Clean residual mean=-0.000797 rms=0.004513 Jy/beam ! Combined flux in latest and established models = 0.700995 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 41 components and 0.700995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203479Jy sigma=0.001436 ! Fit after self-cal, rms=0.203159Jy sigma=0.001434 ! Inverting map ! Your choice of large map pixels excluded 0.357% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.83 HN 1.13 KB 0.79 ! KK 1.14 KP 0.90 LA 1.07 MK 0.97 ! NL 0.92 NY 1.00* OV 1.04 PT 1.02 ! SC 0.97 TS 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.84 HN 1.13 KB 1.00* ! KK 1.00* KP 0.92 LA 1.09 MK 1.00* ! NL 0.99 NY 1.00* OV 1.01 PT 1.05 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.86 HN 1.09 KB 1.00* ! KK 1.00* KP 0.89 LA 1.09 MK 1.00* ! NL 1.03 NY 1.00* OV 1.05 PT 1.05 ! SC 0.96 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.85 HN 1.14 KB 0.79 ! KK 1.12 KP 0.86 LA 1.05 MK 0.98 ! NL 0.87 NY 1.00* OV 1.01 PT 1.08 ! SC 0.99 TS 1.02 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.86 HN 1.09 KB 1.00* ! KK 1.00* KP 0.86 LA 1.08 MK 1.00* ! NL 0.99 NY 1.00* OV 1.05 PT 1.08 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.86 HN 1.12 KB 1.00* ! KK 1.00* KP 0.84 LA 1.09 MK 1.00* ! NL 1.02 NY 1.00* OV 1.00 PT 1.06 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.89 HN 1.18 KB 0.78 ! KK 1.17 KP 0.77 LA 1.07 MK 0.98 ! NL 0.91 NY 1.00* OV 1.03 PT 1.11 ! SC 0.97 TS 1.02 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.85 HN 1.08 KB 1.00* ! KK 1.00* KP 0.79 LA 1.08 MK 1.00* ! NL 1.01 NY 1.00* OV 1.02 PT 1.10 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.87 HN 1.08 KB 1.00* ! KK 1.00* KP 0.79 LA 1.13 MK 1.00* ! NL 1.04 NY 1.00* OV 1.03 PT 1.09 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.89 HN 1.11 KB 0.85 ! KK 1.19 KP 0.84 LA 1.08 MK 0.97 ! NL 0.91 NY 1.00* OV 1.03 PT 1.08 ! SC 1.01 TS 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.88 HN 1.09 KB 1.00* ! KK 1.00* KP 0.84 LA 1.09 MK 1.00* ! NL 1.01 NY 1.00* OV 1.06 PT 1.06 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.86 HN 1.09 KB 1.00* ! KK 1.00* KP 0.84 LA 1.08 MK 1.00* ! NL 1.05 NY 1.00* OV 1.05 PT 1.08 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.203159Jy sigma=0.001434 ! Fit after self-cal, rms=0.180374Jy sigma=0.001219 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8679 mas, bmaj=2.321 mas, bpa=-2.942 degrees ! Estimated noise=1017.42 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 = -0.00598199 Jy ! Component: 100 - total flux cleaned = -0.00634438 Jy ! Component: 150 - total flux cleaned = -0.00660695 Jy ! Component: 200 - total flux cleaned = -0.00672094 Jy ! Total flux subtracted in 200 components = -0.00672094 Jy ! Clean residual min=-0.004906 max=0.005490 Jy/beam ! Clean residual mean=0.000046 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 0.694274 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 57 components and 0.694274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179937Jy sigma=0.001216 ! Fit after self-cal, rms=0.180169Jy sigma=0.001215 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.180169Jy sigma=0.001215 ! Fit after self-cal, rms=0.182949Jy sigma=0.001205 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.877 mas, bmaj=2.325 mas, bpa=-2.96 degrees ! Estimated noise=1019.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00339355 Jy ! Component: 100 - total flux cleaned = -0.00373787 Jy ! Component: 150 - total flux cleaned = -0.00412646 Jy ! Component: 200 - total flux cleaned = -0.00454682 Jy ! Total flux subtracted in 200 components = -0.00454682 Jy ! Clean residual min=-0.004775 max=0.004422 Jy/beam ! Clean residual mean=-0.000173 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 0.689727 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.689727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182788Jy sigma=0.001204 ! Fit after self-cal, rms=0.182845Jy sigma=0.001204 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = -0.000543873 Jy ! Component: 100 - total flux cleaned = -0.000689218 Jy ! Component: 150 - total flux cleaned = -0.000883371 Jy ! Component: 200 - total flux cleaned = -0.0009435 Jy ! Total flux subtracted in 200 components = -0.0009435 Jy ! Clean residual min=-0.004703 max=0.004466 Jy/beam ! Clean residual mean=-0.000156 rms=0.001247 Jy/beam ! Combined flux in latest and established models = 0.688784 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 77 components and 0.688784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182779Jy sigma=0.001204 ! Fit after self-cal, rms=0.182781Jy sigma=0.001204 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.182781Jy sigma=0.001204 ! Fit after self-cal, rms=0.182702Jy sigma=0.001199 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8783 mas, bmaj=2.33 mas, bpa=-2.897 degrees ! Estimated noise=1019.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00196588 Jy ! Component: 100 - total flux cleaned = -0.00216852 Jy ! Component: 150 - total flux cleaned = -0.00216977 Jy ! Component: 200 - total flux cleaned = -0.00227505 Jy ! Total flux subtracted in 200 components = -0.00227505 Jy ! Clean residual min=-0.004333 max=0.004376 Jy/beam ! Clean residual mean=-0.000162 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 0.686509 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 83 components and 0.686509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182640Jy sigma=0.001198 ! Fit after self-cal, rms=0.182660Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = -0.000210983 Jy ! Component: 100 - total flux cleaned = -0.000258716 Jy ! Component: 150 - total flux cleaned = -0.000350163 Jy ! Component: 200 - total flux cleaned = -0.000391236 Jy ! Total flux subtracted in 200 components = -0.000391236 Jy ! Clean residual min=-0.004327 max=0.004369 Jy/beam ! Clean residual mean=-0.000155 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 0.686118 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 93 components and 0.686118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182627Jy sigma=0.001198 ! Fit after self-cal, rms=0.182627Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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=0.182627Jy sigma=0.001198 ! Fit after self-cal, rms=0.182785Jy sigma=0.001198 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=2.236 mas, bmaj=4.826 mas, bpa=-7.162 degrees ! Estimated noise=1284.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00176918 Jy ! Component: 100 - total flux cleaned = -0.00236366 Jy ! Component: 150 - total flux cleaned = -0.0025227 Jy ! Component: 200 - total flux cleaned = -0.00261333 Jy ! Total flux subtracted in 200 components = -0.00261333 Jy ! Clean residual min=-0.004343 max=0.004751 Jy/beam ! Clean residual mean=-0.000254 rms=0.001454 Jy/beam ! Combined flux in latest and established models = 0.683504 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 106 components and 0.683504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182788Jy sigma=0.001198 ! Fit after self-cal, rms=0.182793Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 = -0.000218283 Jy ! Component: 100 - total flux cleaned = -0.00025866 Jy ! Component: 150 - total flux cleaned = -0.000294809 Jy ! Component: 200 - total flux cleaned = -0.000312168 Jy ! Total flux subtracted in 200 components = -0.000312168 Jy ! Clean residual min=-0.004339 max=0.004732 Jy/beam ! Clean residual mean=-0.000243 rms=0.001453 Jy/beam ! Combined flux in latest and established models = 0.683192 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 114 components and 0.683192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182792Jy sigma=0.001198 ! Fit after self-cal, rms=0.182792Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8794 mas, bmaj=2.334 mas, bpa=-2.865 degrees ! Estimated noise=1019.29 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8794 x 2.334 at -2.865 degrees (North through East) ! Clean map min=-0.0090907 max=0.61582 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182792Jy sigma=0.001198 ! Fit after self-cal, rms=0.199459Jy sigma=0.001089 ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8807 mas, bmaj=2.334 mas, bpa=-2.85 degrees ! Estimated noise=1017.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00165035 Jy ! Component: 100 - total flux cleaned = -0.00155045 Jy ! Component: 150 - total flux cleaned = -0.00150637 Jy ! Component: 200 - total flux cleaned = -0.00150649 Jy ! Total flux subtracted in 200 components = -0.00150649 Jy ! Clean residual min=-0.004099 max=0.004251 Jy/beam ! Clean residual mean=-0.000140 rms=0.001105 Jy/beam ! Combined flux in latest and established models = 0.681686 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 117 components and 0.681686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199423Jy sigma=0.001089 ! Fit after self-cal, rms=0.199427Jy sigma=0.001089 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000163451 Jy ! Component: 100 - total flux cleaned = -0.00016157 Jy ! Component: 150 - total flux cleaned = -0.000124947 Jy ! Component: 200 - total flux cleaned = -0.000158578 Jy ! Total flux subtracted in 200 components = -0.000158578 Jy ! Clean residual min=-0.004055 max=0.004233 Jy/beam ! Clean residual mean=-0.000138 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 0.681527 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 122 components and 0.681527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199409Jy sigma=0.001089 ! Fit after self-cal, rms=0.199410Jy sigma=0.001089 ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199410Jy sigma=0.001089 ! Fit after self-cal, rms=0.199900Jy sigma=0.001089 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 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.6804 mas, bmaj=1.895 mas, bpa=-1.463 degrees ! Estimated noise=1559.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.482419 Jy ! Component: 100 - total flux cleaned = 0.587878 Jy ! Component: 150 - total flux cleaned = 0.621177 Jy ! Component: 200 - total flux cleaned = 0.640257 Jy ! Total flux subtracted in 200 components = 0.640257 Jy ! Clean residual min=-0.007155 max=0.009874 Jy/beam ! Clean residual mean=0.000099 rms=0.001920 Jy/beam ! Combined flux in latest and established models = 0.640257 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.640257 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8815 mas, bmaj=2.336 mas, bpa=-2.825 degrees ! Estimated noise=1017.06 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 = 0.0177985 Jy ! Component: 100 - total flux cleaned = 0.0274452 Jy ! Component: 150 - total flux cleaned = 0.0331724 Jy ! Component: 200 - total flux cleaned = 0.0361908 Jy ! Total flux subtracted in 200 components = 0.0361908 Jy ! Clean residual min=-0.005052 max=0.004293 Jy/beam ! Clean residual mean=-0.000055 rms=0.001176 Jy/beam ! Combined flux in latest and established models = 0.676448 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 63 components and 0.676448 Jy ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 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 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=2.239 mas, bmaj=4.832 mas, bpa=-7.168 degrees ! Estimated noise=1278.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00215551 Jy ! Component: 100 - total flux cleaned = 0.00250455 Jy ! Component: 150 - total flux cleaned = 0.00275838 Jy ! Component: 200 - total flux cleaned = 0.00275778 Jy ! Total flux subtracted in 200 components = 0.00275778 Jy ! Clean residual min=-0.004314 max=0.004427 Jy/beam ! Clean residual mean=-0.000219 rms=0.001448 Jy/beam ! Combined flux in latest and established models = 0.679205 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 = -1.48936e-06 Jy ! Component: 100 - total flux cleaned = -3.94568e-06 Jy ! Component: 150 - total flux cleaned = -3.86028e-05 Jy ! Component: 200 - total flux cleaned = -3.93744e-05 Jy ! Total flux subtracted in 200 components = -3.93744e-05 Jy ! Clean residual min=-0.004361 max=0.004505 Jy/beam ! Clean residual mean=-0.000217 rms=0.001437 Jy/beam ! Combined flux in latest and established models = 0.679166 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 79 components and 0.679166 Jy ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! Estimated beam: bmin=0.8815 mas, bmaj=2.336 mas, bpa=-2.825 degrees ! Estimated noise=1017.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000286662 Jy ! Component: 100 - total flux cleaned = -7.24044e-05 Jy ! Component: 150 - total flux cleaned = 5.46267e-05 Jy ! Component: 200 - total flux cleaned = 0.000232309 Jy ! Total flux subtracted in 200 components = 0.000232309 Jy ! Clean residual min=-0.004700 max=0.004371 Jy/beam ! Clean residual mean=-0.000107 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.679398 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 91 components and 0.679398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200164Jy sigma=0.001090 ! Fit after self-cal, rms=0.200151Jy sigma=0.001090 wmodel J0038-2459_X_2009_04_21_pus_map.mod ! Writing 91 model components to file: J0038-2459_X_2009_04_21_pus_map.mod wobs J0038-2459_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0038-2459_X_2009_04_21_pus_uvs.fits wwins J0038-2459_X_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J0038-2459_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 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000689823 Jy ! Component: 100 - total flux cleaned = -0.000983911 Jy ! Component: 150 - total flux cleaned = -0.000984431 Jy ! Component: 200 - total flux cleaned = -0.00125202 Jy ! Component: 250 - total flux cleaned = -0.00163993 Jy ! Component: 300 - total flux cleaned = -0.00201475 Jy ! Component: 350 - total flux cleaned = -0.00237763 Jy ! Component: 400 - total flux cleaned = -0.00273194 Jy ! Component: 450 - total flux cleaned = -0.00307747 Jy ! Component: 500 - total flux cleaned = -0.00319076 Jy ! Component: 550 - total flux cleaned = -0.00346857 Jy ! Component: 600 - total flux cleaned = -0.00363145 Jy ! Component: 650 - total flux cleaned = -0.00379222 Jy ! Component: 700 - total flux cleaned = -0.00395006 Jy ! Component: 750 - total flux cleaned = -0.00405337 Jy ! Component: 800 - total flux cleaned = -0.00405272 Jy ! Component: 850 - total flux cleaned = -0.00405275 Jy ! Component: 900 - total flux cleaned = -0.00405341 Jy ! Component: 950 - total flux cleaned = -0.00415114 Jy ! Component: 1000 - total flux cleaned = -0.00410278 Jy ! Component: 1050 - total flux cleaned = -0.00419697 Jy ! Component: 1100 - total flux cleaned = -0.00405576 Jy ! Component: 1150 - total flux cleaned = -0.00405578 Jy ! Component: 1200 - total flux cleaned = -0.00405584 Jy ! Component: 1250 - total flux cleaned = -0.00410102 Jy ! Component: 1300 - total flux cleaned = -0.00414602 Jy ! Component: 1350 - total flux cleaned = -0.00419025 Jy ! Component: 1400 - total flux cleaned = -0.00427809 Jy ! Component: 1450 - total flux cleaned = -0.0043211 Jy ! Component: 1500 - total flux cleaned = -0.00436428 Jy ! Component: 1550 - total flux cleaned = -0.00440661 Jy ! Component: 1600 - total flux cleaned = -0.00444849 Jy ! Component: 1650 - total flux cleaned = -0.00449044 Jy ! Component: 1700 - total flux cleaned = -0.00449049 Jy ! Component: 1750 - total flux cleaned = -0.00461409 Jy ! Component: 1800 - total flux cleaned = -0.00461413 Jy ! Component: 1850 - total flux cleaned = -0.00473546 Jy ! Component: 1900 - total flux cleaned = -0.00477535 Jy ! Component: 1950 - total flux cleaned = -0.00477539 Jy ! Component: 2000 - total flux cleaned = -0.00477555 Jy ! Total flux subtracted in 2048 components = -0.00485392 Jy ! Clean residual min=-0.002354 max=0.002474 Jy/beam ! Clean residual mean=-0.000027 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.674544 Jy keep ! Adding 150 model components to the UV plane model. ! The established model now contains 241 components and 0.674544 Jy ![Exited script file: muppet] wmap "J0038-2459_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8815 x 2.336 at -2.825 degrees (North through East) ! Clean map min=-0.003739 max=0.62156 Jy/beam ! Writing clean map to FITS file: J0038-2459_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 0.621564 invert ! Inverting map ! Your choice of large map pixels excluded 0.373% of the data. ! The x-axis pixel size should ideally be below 0.1893 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000789978 device "J0038-2459_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0038-2459_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.381286 0.381286 0.762572 1.52514 3.05029 6.10057 12.2011 24.4023 48.8046 97.6092 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.621 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8815 x 2.336 at -2.825 degrees (North through East) ! Clean map min=-0.003739 max=0.62156 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0038-2459_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0038-2459_X_2009_04_21_pus_map.gif/vgif' mapplot cln