! Started logfile: J1048-1909_X_2000_12_04_pus_uvs.log on Fri Oct 12 15:20:44 2007 obs J1048-1909_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1048-1909_X_2000_12_04_pus_uva.fits ! AN table 1: 9 integrations on 190 of 190 possible baselines. ! AN table 2: 71 integrations on 190 of 190 possible baselines. ! AN table 3: 41 integrations on 190 of 190 possible baselines. ! AN table 4: 11 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.124601 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1048-1909 ! ! 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 2126 lines of history. ! ! Reading 12500 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1048-1909_X_2000_12_04_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 = 256x256 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 180 telescope corrections were flagged in sub-array 1. ! A total of 914 telescope corrections were flagged in sub-array 2. ! A total of 559 telescope corrections were flagged in sub-array 3. ! A total of 220 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 914 telescope corrections were flagged in sub-array 2. ! A total of 559 telescope corrections were flagged in sub-array 3. ! A total of 220 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 914 telescope corrections were flagged in sub-array 2. ! A total of 559 telescope corrections were flagged in sub-array 3. ! A total of 220 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 914 telescope corrections were flagged in sub-array 2. ! A total of 559 telescope corrections were flagged in sub-array 3. ! A total of 220 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.105469Jy sigma=0.011847 ! Fit after self-cal, rms=0.228579Jy sigma=0.002315 ! 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 0.924% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.6444 mas, bmaj=1.47 mas, bpa=-1.368 degrees ! Estimated noise=1059.56 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 = 0.742024 Jy ! Component: 100 - total flux cleaned = 0.959339 Jy ! Total flux subtracted in 100 components = 0.959339 Jy ! Clean residual min=-0.022501 max=0.088570 Jy/beam ! Clean residual mean=0.001672 rms=0.010238 Jy/beam ! Combined flux in latest and established models = 0.959339 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.959339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206530Jy sigma=0.002136 ! Fit after self-cal, rms=0.205812Jy sigma=0.002129 ! Inverting map ! Your choice of large map pixels excluded 0.924% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0910342 Jy ! Component: 100 - total flux cleaned = 0.130808 Jy ! Total flux subtracted in 100 components = 0.130808 Jy ! Clean residual min=-0.015435 max=0.021936 Jy/beam ! Clean residual mean=0.000619 rms=0.004591 Jy/beam ! Combined flux in latest and established models = 1.09015 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 1.09015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157482Jy sigma=0.001497 ! Fit after self-cal, rms=0.157144Jy sigma=0.001494 ! Inverting map ! Your choice of large map pixels excluded 0.924% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 0.924% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8235 mas, bmaj=2.071 mas, bpa=-4.754 degrees ! Estimated noise=599.352 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 = 0.0284738 Jy ! Component: 100 - total flux cleaned = 0.0412344 Jy ! Component: 150 - total flux cleaned = 0.0472884 Jy ! Component: 200 - total flux cleaned = 0.0496392 Jy ! Total flux subtracted in 200 components = 0.0496392 Jy ! Clean residual min=-0.011518 max=0.016797 Jy/beam ! Clean residual mean=0.000323 rms=0.004002 Jy/beam ! Combined flux in latest and established models = 1.13979 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 26 components and 1.13979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152922Jy sigma=0.001432 ! Fit after self-cal, rms=0.152861Jy sigma=0.001432 ! Inverting map ! Your choice of large map pixels excluded 0.924% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! 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 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 GC 1.00* GG 1.00* ! HH 1.04 HN 1.07 KK 0.80 KP 0.98 ! LA 1.00 MA 1.13 MC 0.99 MK 1.00 ! NL 1.01 NY 1.00* OV 1.00* PT 0.99 ! SC 1.03 TS 1.00* WF 0.99 WZ 0.89 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.05 KK 1.00* KP 1.01 ! LA 1.03 MA 1.00* MC 1.00* MK 1.03 ! NL 1.03 NY 1.00* OV 1.01 PT 1.02 ! SC 1.00 TS 1.00* WF 1.12 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! 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 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.01 GC 1.00* GG 1.00* ! HH 0.91 HN 1.07 KK 0.84 KP 0.98 ! LA 0.99 MA 0.95 MC 1.06 MK 1.02 ! NL 0.97 NY 1.00* OV 1.00* PT 0.99 ! SC 1.02 TS 1.00* WF 1.01 WZ 0.81 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.05 KK 1.00* KP 1.00 ! LA 1.03 MA 1.00* MC 1.00* MK 1.03 ! NL 0.98 NY 1.00* OV 1.01 PT 1.01 ! SC 1.02 TS 1.00* WF 1.05 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! 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 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.04 GC 1.00* GG 1.00* ! HH 0.85 HN 1.08 KK 1.02 KP 0.97 ! LA 0.99 MA 1.11 MC 0.99 MK 1.02 ! NL 0.95 NY 1.00* OV 1.00* PT 0.97 ! SC 1.02 TS 1.00* WF 1.00 WZ 0.89 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.04 KK 1.00* KP 1.00 ! LA 1.02 MA 1.00* MC 1.00* MK 1.02 ! NL 0.97 NY 1.00* OV 0.96 PT 0.98 ! SC 0.98 TS 1.00* WF 1.07 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! 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 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.03 GC 1.00* GG 1.00* ! HH 1.02 HN 1.02 KK 1.02 KP 0.97 ! LA 0.98 MA 1.01 MC 0.94 MK 0.98 ! NL 0.97 NY 1.00* OV 1.00* PT 0.94 ! SC 0.99 TS 1.00* WF 0.95 WZ 0.98 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 0.98 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00 ! NL 0.99 NY 1.00* OV 0.98 PT 0.96 ! SC 0.96 TS 1.00* WF 0.99 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Fit before self-cal, rms=0.152861Jy sigma=0.001432 ! Fit after self-cal, rms=0.140687Jy sigma=0.001342 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8239 mas, bmaj=2.145 mas, bpa=-4.757 degrees ! Estimated noise=600.618 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 (3.8, -5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114781 Jy ! Component: 100 - total flux cleaned = 0.0172626 Jy ! Component: 150 - total flux cleaned = 0.0188066 Jy ! Component: 200 - total flux cleaned = 0.0200149 Jy ! Total flux subtracted in 200 components = 0.0200149 Jy ! Clean residual min=-0.004713 max=0.006158 Jy/beam ! Clean residual mean=0.000032 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 1.1598 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 44 components and 1.1598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139812Jy sigma=0.001330 ! Fit after self-cal, rms=0.139789Jy sigma=0.001329 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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=0.139789Jy sigma=0.001329 ! Fit after self-cal, rms=0.139641Jy sigma=0.001329 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8241 mas, bmaj=2.144 mas, bpa=-4.733 degrees ! Estimated noise=600.041 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00301225 Jy ! Component: 100 - total flux cleaned = 0.00360241 Jy ! Component: 150 - total flux cleaned = 0.00403358 Jy ! Component: 200 - total flux cleaned = 0.00441943 Jy ! Total flux subtracted in 200 components = 0.00441943 Jy ! Clean residual min=-0.004177 max=0.005390 Jy/beam ! Clean residual mean=-0.000004 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 1.16422 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 1.16422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139513Jy sigma=0.001327 ! Fit after self-cal, rms=0.139491Jy sigma=0.001327 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 (1.6, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0047715 Jy ! Component: 100 - total flux cleaned = 0.00547894 Jy ! Component: 150 - total flux cleaned = 0.00604475 Jy ! Component: 200 - total flux cleaned = 0.00604237 Jy ! Total flux subtracted in 200 components = 0.00604237 Jy ! Clean residual min=-0.004591 max=0.003560 Jy/beam ! Clean residual mean=-0.000112 rms=0.001043 Jy/beam ! Combined flux in latest and established models = 1.17026 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 66 components and 1.17026 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139237Jy sigma=0.001325 ! Fit after self-cal, rms=0.139210Jy sigma=0.001324 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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=0.139210Jy sigma=0.001324 ! Fit after self-cal, rms=0.139087Jy sigma=0.001324 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8239 mas, bmaj=2.145 mas, bpa=-4.752 degrees ! Estimated noise=600.068 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00233773 Jy ! Component: 100 - total flux cleaned = 0.00266469 Jy ! Component: 150 - total flux cleaned = 0.00259343 Jy ! Component: 200 - total flux cleaned = 0.00266004 Jy ! Total flux subtracted in 200 components = 0.00266004 Jy ! Clean residual min=-0.004060 max=0.003085 Jy/beam ! Clean residual mean=-0.000124 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 1.17292 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 1.17292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138991Jy sigma=0.001323 ! Fit after self-cal, rms=0.138969Jy sigma=0.001323 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 = 0.00062928 Jy ! Component: 100 - total flux cleaned = 0.000754584 Jy ! Component: 150 - total flux cleaned = 0.000696357 Jy ! Component: 200 - total flux cleaned = 0.000695532 Jy ! Total flux subtracted in 200 components = 0.000695532 Jy ! Clean residual min=-0.003943 max=0.002861 Jy/beam ! Clean residual mean=-0.000137 rms=0.000913 Jy/beam ! Combined flux in latest and established models = 1.17362 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 82 components and 1.17362 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138915Jy sigma=0.001323 ! Fit after self-cal, rms=0.138904Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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=0.138904Jy sigma=0.001323 ! Fit after self-cal, rms=0.138841Jy sigma=0.001322 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=2.108 mas, bmaj=4.805 mas, bpa=4.325 degrees ! Estimated noise=748.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.43379e-05 Jy ! Component: 100 - total flux cleaned = 0.000104889 Jy ! Component: 150 - total flux cleaned = -3.96114e-05 Jy ! Component: 200 - total flux cleaned = -0.000127972 Jy ! Total flux subtracted in 200 components = -0.000127972 Jy ! Clean residual min=-0.003296 max=0.002446 Jy/beam ! Clean residual mean=-0.000251 rms=0.000962 Jy/beam ! Combined flux in latest and established models = 1.17349 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 96 components and 1.17349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138825Jy sigma=0.001322 ! Fit after self-cal, rms=0.138801Jy sigma=0.001322 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 = 0.000221522 Jy ! Component: 100 - total flux cleaned = 0.000329524 Jy ! Component: 150 - total flux cleaned = 0.000166331 Jy ! Component: 200 - total flux cleaned = 5.4191e-05 Jy ! Total flux subtracted in 200 components = 5.4191e-05 Jy ! Clean residual min=-0.003257 max=0.002272 Jy/beam ! Clean residual mean=-0.000254 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 1.17354 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 99 components and 1.17354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138793Jy sigma=0.001322 ! Fit after self-cal, rms=0.138775Jy sigma=0.001322 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8237 mas, bmaj=2.146 mas, bpa=-4.775 degrees ! Estimated noise=600.127 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8237 x 2.146 at -4.775 degrees (North through East) ! Clean map min=-0.0043225 max=0.98375 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=0.138775Jy sigma=0.001322 ! Fit after self-cal, rms=0.131088Jy sigma=0.001226 ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8237 mas, bmaj=2.147 mas, bpa=-4.792 degrees ! Estimated noise=599.391 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00053038 Jy ! Component: 100 - total flux cleaned = 0.000433933 Jy ! Component: 150 - total flux cleaned = 0.000387811 Jy ! Component: 200 - total flux cleaned = 0.000300716 Jy ! Total flux subtracted in 200 components = 0.000300716 Jy ! Clean residual min=-0.003094 max=0.002883 Jy/beam ! Clean residual mean=-0.000159 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 1.17384 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 1.17384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131050Jy sigma=0.001226 ! Fit after self-cal, rms=0.131045Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000341787 Jy ! Component: 100 - total flux cleaned = 0.00025909 Jy ! Component: 150 - total flux cleaned = 0.000180928 Jy ! Component: 200 - total flux cleaned = 0.000181227 Jy ! Total flux subtracted in 200 components = 0.000181227 Jy ! Clean residual min=-0.003020 max=0.002776 Jy/beam ! Clean residual mean=-0.000163 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 1.17403 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 120 components and 1.17403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131018Jy sigma=0.001226 ! Fit after self-cal, rms=0.131014Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131014Jy sigma=0.001226 ! Fit after self-cal, rms=0.130976Jy sigma=0.001226 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 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.6435 mas, bmaj=1.463 mas, bpa=-1.357 degrees ! Estimated noise=1162.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.74043 Jy ! Component: 100 - total flux cleaned = 0.959845 Jy ! Component: 150 - total flux cleaned = 1.04846 Jy ! Component: 200 - total flux cleaned = 1.08676 Jy ! Total flux subtracted in 200 components = 1.08676 Jy ! Clean residual min=-0.009086 max=0.017633 Jy/beam ! Clean residual mean=0.000563 rms=0.003139 Jy/beam ! Combined flux in latest and established models = 1.08676 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 14 model components to the UV plane model. ! The established model now contains 14 components and 1.08676 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8236 mas, bmaj=2.148 mas, bpa=-4.809 degrees ! Estimated noise=599.304 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 = 0.0273772 Jy ! Component: 100 - total flux cleaned = 0.0425759 Jy ! Component: 150 - total flux cleaned = 0.0534786 Jy ! Component: 200 - total flux cleaned = 0.0617731 Jy ! Total flux subtracted in 200 components = 0.0617731 Jy ! Clean residual min=-0.004139 max=0.005971 Jy/beam ! Clean residual mean=0.000293 rms=0.001613 Jy/beam ! Combined flux in latest and established models = 1.14854 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 49 components and 1.14854 Jy ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 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 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=2.107 mas, bmaj=4.806 mas, bpa=4.317 degrees ! Estimated noise=747.794 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00999367 Jy ! Component: 100 - total flux cleaned = 0.0157973 Jy ! Component: 150 - total flux cleaned = 0.0193053 Jy ! Component: 200 - total flux cleaned = 0.0215118 Jy ! Total flux subtracted in 200 components = 0.0215118 Jy ! Clean residual min=-0.003674 max=0.002694 Jy/beam ! Clean residual mean=-0.000198 rms=0.001044 Jy/beam ! Combined flux in latest and established models = 1.17005 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 = 0.000633567 Jy ! Component: 100 - total flux cleaned = 0.000789757 Jy ! Component: 150 - total flux cleaned = 0.000885992 Jy ! Component: 200 - total flux cleaned = 0.000973987 Jy ! Total flux subtracted in 200 components = 0.000973987 Jy ! Clean residual min=-0.003405 max=0.002331 Jy/beam ! Clean residual mean=-0.000240 rms=0.000970 Jy/beam ! Combined flux in latest and established models = 1.17102 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 73 components and 1.17102 Jy ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! Estimated beam: bmin=0.8236 mas, bmaj=2.148 mas, bpa=-4.809 degrees ! Estimated noise=599.304 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000799024 Jy ! Component: 100 - total flux cleaned = 0.000794873 Jy ! Component: 150 - total flux cleaned = 0.000797764 Jy ! Component: 200 - total flux cleaned = 0.000963989 Jy ! Total flux subtracted in 200 components = 0.000963989 Jy ! Clean residual min=-0.003562 max=0.002433 Jy/beam ! Clean residual mean=-0.000125 rms=0.000862 Jy/beam ! Combined flux in latest and established models = 1.17199 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 95 components and 1.17199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131174Jy sigma=0.001227 ! Fit after self-cal, rms=0.131128Jy sigma=0.001227 wmodel J1048-1909_X_2000_12_04_pus_map.mod ! Writing 95 model components to file: J1048-1909_X_2000_12_04_pus_map.mod wobs J1048-1909_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1048-1909_X_2000_12_04_pus_uvs.fits wwins J1048-1909_X_2000_12_04_pus_map.win ! wwins: Wrote 3 windows to J1048-1909_X_2000_12_04_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 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00136531 Jy ! Component: 100 - total flux cleaned = -0.00215618 Jy ! Component: 150 - total flux cleaned = -0.00270345 Jy ! Component: 200 - total flux cleaned = -0.0031776 Jy ! Component: 250 - total flux cleaned = -0.00350853 Jy ! Component: 300 - total flux cleaned = -0.00382683 Jy ! Component: 350 - total flux cleaned = -0.0041352 Jy ! Component: 400 - total flux cleaned = -0.00439718 Jy ! Component: 450 - total flux cleaned = -0.00461619 Jy ! Component: 500 - total flux cleaned = -0.00475893 Jy ! Component: 550 - total flux cleaned = -0.00496724 Jy ! Component: 600 - total flux cleaned = -0.00516968 Jy ! Component: 650 - total flux cleaned = -0.00536752 Jy ! Component: 700 - total flux cleaned = -0.00552868 Jy ! Component: 750 - total flux cleaned = -0.0057496 Jy ! Component: 800 - total flux cleaned = -0.00596666 Jy ! Component: 850 - total flux cleaned = -0.00617967 Jy ! Component: 900 - total flux cleaned = -0.00635882 Jy ! Component: 950 - total flux cleaned = -0.00653508 Jy ! Component: 1000 - total flux cleaned = -0.00665051 Jy ! Total flux subtracted in 1024 components = -0.00670739 Jy ! Clean residual min=-0.001693 max=0.001620 Jy/beam ! Clean residual mean=-0.000042 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 1.16528 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 160 components and 1.16528 Jy ![Exited script file: muppet] wmap "J1048-1909_X_2000_12_04_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8236 x 2.148 at -4.809 degrees (North through East) ! Clean map min=-0.0027697 max=0.98477 Jy/beam ! Writing clean map to FITS file: J1048-1909_X_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.984769 invert ! Inverting map ! Your choice of large map pixels excluded 0.937% of the data. ! The x-axis pixel size should ideally be below 0.1911 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000589698 device "J1048-1909_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1048-1909_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.179645 0.179645 0.359291 0.718582 1.43716 2.87433 5.74866 11.4973 22.9946 45.9892 91.9785 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.984 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8236 x 2.148 at -4.809 degrees (North through East) ! Clean map min=-0.0027697 max=0.98477 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1048-1909_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1048-1909_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1048-1909_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 15:20:49 2007