! Started logfile: J0922-3959_X_2001_04_09_pus_uvs.log on Tue Oct 2 11:19:34 2007 obs J0922-3959_X_2001_04_09_pus_uva.fits ! Reading UV FITS file: J0922-3959_X_2001_04_09_pus_uva.fits ! AN table 1: 112 integrations on 190 of 190 possible baselines. ! AN table 2: 30 integrations on 190 of 190 possible baselines. ! AN table 3: 52 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0177971 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0922-3959 ! ! 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 1926 lines of history. ! ! Reading 2624 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 J0922-3959_X_2001_04_09_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 2140 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 817 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2140 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 817 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2140 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 817 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2140 telescope corrections were flagged in sub-array 1. ! A total of 600 telescope corrections were flagged in sub-array 2. ! A total of 817 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.744675Jy sigma=0.005059 ! Fit after self-cal, rms=0.312415Jy sigma=0.002000 ! 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 3.31% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.6194 mas, bmaj=1.157 mas, bpa=14.86 degrees ! Estimated noise=3849.11 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 = 0.731636 Jy ! Component: 100 - total flux cleaned = 0.931064 Jy ! Total flux subtracted in 100 components = 0.931064 Jy ! Clean residual min=-0.048719 max=0.085798 Jy/beam ! Clean residual mean=-0.000668 rms=0.019731 Jy/beam ! Combined flux in latest and established models = 0.931064 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.931064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250656Jy sigma=0.002029 ! Fit after self-cal, rms=0.250967Jy sigma=0.002028 ! Inverting map ! Your choice of large map pixels excluded 3.31% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 3.31% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8065 mas, bmaj=1.879 mas, bpa=25.85 degrees ! Estimated noise=1922.99 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 = 0.126657 Jy ! Component: 100 - total flux cleaned = 0.179543 Jy ! Component: 150 - total flux cleaned = 0.204003 Jy ! Component: 200 - total flux cleaned = 0.215799 Jy ! Total flux subtracted in 200 components = 0.215799 Jy ! Clean residual min=-0.033425 max=0.044098 Jy/beam ! Clean residual mean=-0.000337 rms=0.013052 Jy/beam ! Combined flux in latest and established models = 1.14686 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 1.14686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206951Jy sigma=0.001326 ! Fit after self-cal, rms=0.207063Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 3.31% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.07 GC 1.00* GG 1.00* ! HH 1.19 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00* MC 1.00* MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 0.98 TS 1.00* WF 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.01 KP 1.00* ! LA 1.00 MA 1.00* MC 1.00* MK 1.00* ! NL 1.14 NY 1.00* OV 0.97 PT 0.94 ! SC 1.03 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.07 GC 1.00* GG 1.00* ! HH 1.02 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00* MC 1.00* MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 0.95 TS 1.00* WF 1.04 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.05 KP 1.00* ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 1.06 NY 1.00* OV 0.96 PT 0.94 ! SC 1.03 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 GC 1.00* GG 1.00* ! HH 1.05 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00* MC 1.00* MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.04 TS 1.00* WF 1.09 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 1.00* ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 1.08 NY 1.00* OV 0.92 PT 0.91 ! SC 1.04 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.04 GC 1.00* GG 1.00* ! HH 0.90 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00* MC 1.00* MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.01 TS 1.00* WF 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.04 KP 1.00* ! LA 0.97 MA 1.00* MC 1.00* MK 1.00* ! NL 1.10 NY 1.00* OV 0.92 PT 0.93 ! SC 1.00 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.207063Jy sigma=0.001325 ! Fit after self-cal, rms=0.178420Jy sigma=0.001152 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8521 mas, bmaj=2.11 mas, bpa=17.21 degrees ! Estimated noise=2063.25 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 = -0.000196975 Jy ! Component: 100 - total flux cleaned = -0.000198338 Jy ! Component: 150 - total flux cleaned = -0.000264549 Jy ! Component: 200 - total flux cleaned = -0.000265345 Jy ! Total flux subtracted in 200 components = -0.000265345 Jy ! Clean residual min=-0.011004 max=0.012708 Jy/beam ! Clean residual mean=-0.000032 rms=0.003175 Jy/beam ! Combined flux in latest and established models = 1.1466 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.1466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178320Jy sigma=0.001152 ! Fit after self-cal, rms=0.178609Jy sigma=0.001152 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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=0.178609Jy sigma=0.001152 ! Fit after self-cal, rms=0.179156Jy sigma=0.001152 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8527 mas, bmaj=2.113 mas, bpa=17.18 degrees ! Estimated noise=2064.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000202946 Jy ! Component: 100 - total flux cleaned = -0.000202917 Jy ! Component: 150 - total flux cleaned = -0.000206252 Jy ! Component: 200 - total flux cleaned = -0.000262043 Jy ! Total flux subtracted in 200 components = -0.000262043 Jy ! Clean residual min=-0.010929 max=0.012568 Jy/beam ! Clean residual mean=-0.000032 rms=0.003155 Jy/beam ! Combined flux in latest and established models = 1.14633 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.14634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179058Jy sigma=0.001152 ! Fit after self-cal, rms=0.179076Jy sigma=0.001152 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 = -5.78459e-05 Jy ! Component: 100 - total flux cleaned = -0.000119977 Jy ! Component: 150 - total flux cleaned = -0.000119459 Jy ! Component: 200 - total flux cleaned = -0.000119476 Jy ! Total flux subtracted in 200 components = -0.000119476 Jy ! Clean residual min=-0.010911 max=0.012522 Jy/beam ! Clean residual mean=-0.000033 rms=0.003148 Jy/beam ! Combined flux in latest and established models = 1.14622 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 42 components and 1.14622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178990Jy sigma=0.001152 ! Fit after self-cal, rms=0.179006Jy sigma=0.001151 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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=0.179006Jy sigma=0.001151 ! Fit after self-cal, rms=0.180008Jy sigma=0.001151 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8539 mas, bmaj=2.119 mas, bpa=17.08 degrees ! Estimated noise=2065.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00018786 Jy ! Component: 100 - total flux cleaned = -0.00017787 Jy ! Component: 150 - total flux cleaned = -0.000175044 Jy ! Component: 200 - total flux cleaned = -0.000231038 Jy ! Total flux subtracted in 200 components = -0.000231038 Jy ! Clean residual min=-0.010914 max=0.012431 Jy/beam ! Clean residual mean=-0.000031 rms=0.003142 Jy/beam ! Combined flux in latest and established models = 1.14598 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.14598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179919Jy sigma=0.001151 ! Fit after self-cal, rms=0.179942Jy sigma=0.001151 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 = -6.00583e-05 Jy ! Component: 100 - total flux cleaned = -0.000120594 Jy ! Component: 150 - total flux cleaned = -0.000119922 Jy ! Component: 200 - total flux cleaned = -0.000172364 Jy ! Total flux subtracted in 200 components = -0.000172364 Jy ! Clean residual min=-0.010898 max=0.012384 Jy/beam ! Clean residual mean=-0.000032 rms=0.003135 Jy/beam ! Combined flux in latest and established models = 1.14581 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 42 components and 1.14581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179864Jy sigma=0.001151 ! Fit after self-cal, rms=0.179877Jy sigma=0.001151 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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=0.179877Jy sigma=0.001151 ! Fit after self-cal, rms=0.180854Jy sigma=0.001151 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=2.358 mas, bmaj=8.26 mas, bpa=1.695 degrees ! Estimated noise=2386.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000682651 Jy ! Component: 100 - total flux cleaned = -0.000686635 Jy ! Component: 150 - total flux cleaned = -0.00069 Jy ! Component: 200 - total flux cleaned = -0.000756588 Jy ! Total flux subtracted in 200 components = -0.000756588 Jy ! Clean residual min=-0.007936 max=0.011446 Jy/beam ! Clean residual mean=-0.000067 rms=0.003298 Jy/beam ! Combined flux in latest and established models = 1.14506 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 42 components and 1.14506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180833Jy sigma=0.001151 ! Fit after self-cal, rms=0.180849Jy sigma=0.001151 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 = 7.46761e-06 Jy ! Component: 100 - total flux cleaned = 2.00633e-06 Jy ! Component: 150 - total flux cleaned = -5.9143e-05 Jy ! Component: 200 - total flux cleaned = -5.61422e-05 Jy ! Total flux subtracted in 200 components = -5.61422e-05 Jy ! Clean residual min=-0.007932 max=0.011404 Jy/beam ! Clean residual mean=-0.000068 rms=0.003295 Jy/beam ! Combined flux in latest and established models = 1.145 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 42 components and 1.145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180828Jy sigma=0.001151 ! Fit after self-cal, rms=0.180827Jy sigma=0.001151 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.855 mas, bmaj=2.125 mas, bpa=17 degrees ! Estimated noise=2067.01 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.855 x 2.125 at 17 degrees (North through East) ! Clean map min=-0.009186 max=0.94936 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=0.180827Jy sigma=0.001151 ! Fit after self-cal, rms=0.171010Jy sigma=0.000972 ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8557 mas, bmaj=2.12 mas, bpa=16.97 degrees ! Estimated noise=2069.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000211161 Jy ! Component: 100 - total flux cleaned = -9.33232e-05 Jy ! Component: 150 - total flux cleaned = -3.91291e-05 Jy ! Component: 200 - total flux cleaned = -3.7815e-05 Jy ! Total flux subtracted in 200 components = -3.7815e-05 Jy ! Clean residual min=-0.011452 max=0.011852 Jy/beam ! Clean residual mean=-0.000028 rms=0.002962 Jy/beam ! Combined flux in latest and established models = 1.14496 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 44 components and 1.14496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170924Jy sigma=0.000972 ! Fit after self-cal, rms=0.170933Jy sigma=0.000972 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000116268 Jy ! Component: 100 - total flux cleaned = -6.86559e-05 Jy ! Component: 150 - total flux cleaned = -6.52212e-05 Jy ! Component: 200 - total flux cleaned = -1.75644e-05 Jy ! Total flux subtracted in 200 components = -1.75644e-05 Jy ! Clean residual min=-0.011417 max=0.011785 Jy/beam ! Clean residual mean=-0.000028 rms=0.002957 Jy/beam ! Combined flux in latest and established models = 1.14494 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 44 components and 1.14494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170860Jy sigma=0.000972 ! Fit after self-cal, rms=0.170873Jy sigma=0.000972 ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170873Jy sigma=0.000972 ! Fit after self-cal, rms=0.171724Jy sigma=0.000972 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 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.6467 mas, bmaj=1.245 mas, bpa=10.5 degrees ! Estimated noise=3556.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.73822 Jy ! Component: 100 - total flux cleaned = 0.931954 Jy ! Component: 150 - total flux cleaned = 1.02213 Jy ! Component: 200 - total flux cleaned = 1.07288 Jy ! Total flux subtracted in 200 components = 1.07288 Jy ! Clean residual min=-0.024528 max=0.028478 Jy/beam ! Clean residual mean=-0.000179 rms=0.006297 Jy/beam ! Combined flux in latest and established models = 1.07288 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 25 model components to the UV plane model. ! The established model now contains 25 components and 1.07288 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8564 mas, bmaj=2.125 mas, bpa=16.92 degrees ! Estimated noise=2070.17 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) ! Added new window around map position (0, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396413 Jy ! Component: 100 - total flux cleaned = 0.0568763 Jy ! Component: 150 - total flux cleaned = 0.0648938 Jy ! Component: 200 - total flux cleaned = 0.0689344 Jy ! Total flux subtracted in 200 components = 0.0689344 Jy ! Clean residual min=-0.009807 max=0.009573 Jy/beam ! Clean residual mean=-0.000038 rms=0.002553 Jy/beam ! Combined flux in latest and established models = 1.14182 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 51 components and 1.14182 Jy ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 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 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=2.359 mas, bmaj=8.275 mas, bpa=1.656 degrees ! Estimated noise=2385.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191925 Jy ! Component: 100 - total flux cleaned = 0.00197167 Jy ! Component: 150 - total flux cleaned = 0.001971 Jy ! Component: 200 - total flux cleaned = 0.00191721 Jy ! Total flux subtracted in 200 components = 0.00191721 Jy ! Clean residual min=-0.007926 max=0.009880 Jy/beam ! Clean residual mean=-0.000068 rms=0.002700 Jy/beam ! Combined flux in latest and established models = 1.14373 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 = -0.000102342 Jy ! Component: 100 - total flux cleaned = -0.000199736 Jy ! Component: 150 - total flux cleaned = -0.000292317 Jy ! Component: 200 - total flux cleaned = -0.000338487 Jy ! Total flux subtracted in 200 components = -0.000338487 Jy ! Clean residual min=-0.007701 max=0.009662 Jy/beam ! Clean residual mean=-0.000075 rms=0.002681 Jy/beam ! Combined flux in latest and established models = 1.1434 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 67 components and 1.1434 Jy ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! Estimated beam: bmin=0.8564 mas, bmaj=2.125 mas, bpa=16.92 degrees ! Estimated noise=2070.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000741799 Jy ! Component: 100 - total flux cleaned = -0.000421479 Jy ! Component: 150 - total flux cleaned = -0.000421874 Jy ! Component: 200 - total flux cleaned = -0.000328525 Jy ! Total flux subtracted in 200 components = -0.000328525 Jy ! Clean residual min=-0.009631 max=0.009322 Jy/beam ! Clean residual mean=-0.000043 rms=0.002500 Jy/beam ! Combined flux in latest and established models = 1.14307 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 75 components and 1.14307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170912Jy sigma=0.000968 ! Fit after self-cal, rms=0.170713Jy sigma=0.000967 wmodel J0922-3959_X_2001_04_09_pus_map.mod ! Writing 75 model components to file: J0922-3959_X_2001_04_09_pus_map.mod wobs J0922-3959_X_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J0922-3959_X_2001_04_09_pus_uvs.fits wwins J0922-3959_X_2001_04_09_pus_map.win ! wwins: Wrote 2 windows to J0922-3959_X_2001_04_09_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 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00234552 Jy ! Component: 100 - total flux cleaned = -0.00235031 Jy ! Component: 150 - total flux cleaned = -0.00222991 Jy ! Component: 200 - total flux cleaned = -0.00317993 Jy ! Component: 250 - total flux cleaned = -0.00441871 Jy ! Component: 300 - total flux cleaned = -0.00538259 Jy ! Component: 350 - total flux cleaned = -0.00629629 Jy ! Component: 400 - total flux cleaned = -0.00677924 Jy ! Component: 450 - total flux cleaned = -0.0076121 Jy ! Component: 500 - total flux cleaned = -0.00831809 Jy ! Component: 550 - total flux cleaned = -0.00908201 Jy ! Component: 600 - total flux cleaned = -0.00997812 Jy ! Component: 650 - total flux cleaned = -0.0107605 Jy ! Component: 700 - total flux cleaned = -0.011747 Jy ! Component: 750 - total flux cleaned = -0.0127741 Jy ! Component: 800 - total flux cleaned = -0.0136272 Jy ! Component: 850 - total flux cleaned = -0.0144572 Jy ! Component: 900 - total flux cleaned = -0.015333 Jy ! Component: 950 - total flux cleaned = -0.0161856 Jy ! Component: 1000 - total flux cleaned = -0.0165684 Jy ! Component: 1050 - total flux cleaned = -0.0172543 Jy ! Component: 1100 - total flux cleaned = -0.0178026 Jy ! Component: 1150 - total flux cleaned = -0.0182215 Jy ! Component: 1200 - total flux cleaned = -0.0188662 Jy ! Component: 1250 - total flux cleaned = -0.0196144 Jy ! Component: 1300 - total flux cleaned = -0.0201215 Jy ! Component: 1350 - total flux cleaned = -0.0205644 Jy ! Component: 1400 - total flux cleaned = -0.0208365 Jy ! Component: 1450 - total flux cleaned = -0.021428 Jy ! Component: 1500 - total flux cleaned = -0.0220111 Jy ! Component: 1550 - total flux cleaned = -0.0226917 Jy ! Component: 1600 - total flux cleaned = -0.0231056 Jy ! Component: 1650 - total flux cleaned = -0.0236693 Jy ! Component: 1700 - total flux cleaned = -0.0241773 Jy ! Component: 1750 - total flux cleaned = -0.0247301 Jy ! Component: 1800 - total flux cleaned = -0.0252776 Jy ! Component: 1850 - total flux cleaned = -0.0256723 Jy ! Component: 1900 - total flux cleaned = -0.026064 Jy ! Component: 1950 - total flux cleaned = -0.0265494 Jy ! Component: 2000 - total flux cleaned = -0.0270303 Jy ! Total flux subtracted in 2048 components = -0.0274122 Jy ! Clean residual min=-0.002855 max=0.002522 Jy/beam ! Clean residual mean=-0.000050 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 1.11565 Jy keep ! Adding 89 model components to the UV plane model. ! The established model now contains 164 components and 1.11565 Jy ![Exited script file: muppet] wmap "J0922-3959_X_2001_04_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8564 x 2.125 at 16.92 degrees (North through East) ! Clean map min=-0.0054431 max=0.95785 Jy/beam ! Writing clean map to FITS file: J0922-3959_X_2001_04_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.957848 invert ! Inverting map ! Your choice of large map pixels excluded 3.07% of the data. ! The x-axis pixel size should ideally be below 0.1738 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000725198 device "J0922-3959_X_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0922-3959_X_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.227134 0.227134 0.454267 0.908534 1.81707 3.63414 7.26827 14.5365 29.0731 58.1462 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.957 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8564 x 2.125 at 16.92 degrees (North through East) ! Clean map min=-0.0054431 max=0.95785 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0922-3959_X_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0922-3959_X_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0922-3959_X_2001_04_09_pus_uvs.log closed on Tue Oct 2 11:19:41 2007