! Started logfile: J0921-2618_X_2001_04_09_pus_uvs.log on Mon Oct 1 14:37:25 2007 obs J0921-2618_X_2001_04_09_pus_uva.fits ! Reading UV FITS file: J0921-2618_X_2001_04_09_pus_uva.fits ! AN table 1: 33 integrations on 190 of 190 possible baselines. ! AN table 2: 85 integrations on 190 of 190 possible baselines. ! AN table 3: 112 integrations on 190 of 190 possible baselines. ! AN table 4: 34 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0586722 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921-2618 ! ! 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 11772 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 J0921-2618_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 = 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 417 telescope corrections were flagged in sub-array 1. ! A total of 1486 telescope corrections were flagged in sub-array 2. ! A total of 1804 telescope corrections were flagged in sub-array 3. ! A total of 680 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 1486 telescope corrections were flagged in sub-array 2. ! A total of 1804 telescope corrections were flagged in sub-array 3. ! A total of 680 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 1486 telescope corrections were flagged in sub-array 2. ! A total of 1804 telescope corrections were flagged in sub-array 3. ! A total of 680 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 1486 telescope corrections were flagged in sub-array 2. ! A total of 1804 telescope corrections were flagged in sub-array 3. ! A total of 680 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.989423Jy sigma=0.009083 ! Fit after self-cal, rms=0.375250Jy sigma=0.003408 ! 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 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.6533 mas, bmaj=1.447 mas, bpa=-1.4 degrees ! Estimated noise=1436.96 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 = 0.810161 Jy ! Component: 100 - total flux cleaned = 1.06006 Jy ! Total flux subtracted in 100 components = 1.06006 Jy ! Clean residual min=-0.041994 max=0.117573 Jy/beam ! Clean residual mean=0.001352 rms=0.014548 Jy/beam ! Combined flux in latest and established models = 1.06006 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.06006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321817Jy sigma=0.002972 ! Fit after self-cal, rms=0.321762Jy sigma=0.002972 ! Inverting map ! Your choice of large map pixels excluded 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.133065 Jy ! Component: 100 - total flux cleaned = 0.207173 Jy ! Total flux subtracted in 100 components = 0.207173 Jy ! Clean residual min=-0.024004 max=0.046076 Jy/beam ! Clean residual mean=0.000629 rms=0.007459 Jy/beam ! Combined flux in latest and established models = 1.26723 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 1.26723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223191Jy sigma=0.001816 ! Fit after self-cal, rms=0.223176Jy sigma=0.001815 ! Inverting map ! Your choice of large map pixels excluded 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Added new window around map position (-1.4, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0498258 Jy ! Component: 100 - total flux cleaned = 0.0831707 Jy ! Total flux subtracted in 100 components = 0.0831707 Jy ! Clean residual min=-0.021842 max=0.033416 Jy/beam ! Clean residual mean=0.000308 rms=0.005730 Jy/beam ! Combined flux in latest and established models = 1.3504 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 1.3504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204981Jy sigma=0.001557 ! Fit after self-cal, rms=0.204074Jy sigma=0.001549 ! Inverting map ! Your choice of large map pixels excluded 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9318 mas, bmaj=2.129 mas, bpa=-5.763 degrees ! Estimated noise=762.392 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 = 0.0421215 Jy ! Component: 100 - total flux cleaned = 0.063139 Jy ! Component: 150 - total flux cleaned = 0.0744206 Jy ! Component: 200 - total flux cleaned = 0.0806497 Jy ! Total flux subtracted in 200 components = 0.0806497 Jy ! Clean residual min=-0.011545 max=0.018376 Jy/beam ! Clean residual mean=0.000539 rms=0.004331 Jy/beam ! Combined flux in latest and established models = 1.43105 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 1.43105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197288Jy sigma=0.001438 ! Fit after self-cal, rms=0.196652Jy sigma=0.001431 ! Inverting map ! Your choice of large map pixels excluded 0.513% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.24 KK 1.03 KP 1.00 ! LA 1.00 MA 1.00* MC 1.00* MK 0.94 ! NL 1.01 NY 1.00* OV 0.97 PT 1.00 ! SC 0.99 TS 1.00* WF 0.92 WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 0.99 ! LA 1.00 MA 1.00* MC 1.00* MK 1.00* ! NL 1.08 NY 1.00* OV 1.04 PT 0.99 ! SC 0.95 TS 1.00* WF 0.97 WZ 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.00 GC 1.00* GG 1.00* ! HH 1.01 HN 1.00* KK 1.01 KP 1.00 ! LA 0.98 MA 0.84 MC 1.22 MK 0.92 ! NL 1.09 NY 1.00* OV 0.98 PT 0.98 ! SC 1.00* TS 0.96 WF 1.00* WZ 1.06 ! ! 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. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.21 KK 1.04 KP 0.99 ! LA 1.00 MA 1.00* MC 1.00* MK 1.01 ! NL 0.98 NY 1.00* OV 0.98 PT 1.00 ! SC 0.98 TS 1.00* WF 0.94 WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 0.99 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.01 NY 1.00* OV 1.04 PT 0.99 ! SC 0.96 TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.01 GC 1.00* GG 1.00* ! HH 0.96 HN 1.00* KK 1.03 KP 0.99 ! LA 0.98 MA 0.86 MC 1.15 MK 0.97 ! NL 1.03 NY 1.00* OV 0.99 PT 0.98 ! SC 1.00* TS 0.95 WF 1.00* WZ 1.02 ! ! 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. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.25 KK 1.07 KP 0.90 ! LA 1.02 MA 1.00* MC 1.00* MK 0.98 ! NL 0.99 NY 1.00* OV 0.95 PT 0.96 ! SC 1.00 TS 1.00* WF 0.99 WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.01 KK 1.00* KP 0.90 ! LA 1.04 MA 1.00* MC 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 1.01 PT 0.97 ! SC 0.97 TS 1.00* WF 1.01 WZ 1.00* ! ! A total of 81 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 0.93 HN 1.00* KK 1.03 KP 0.91 ! LA 1.00 MA 0.98 MC 1.20 MK 0.94 ! NL 1.03 NY 1.00* OV 0.97 PT 0.94 ! SC 1.00* TS 0.94 WF 1.00* WZ 1.10 ! ! 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. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.31 KK 1.05 KP 1.12 ! LA 1.01 MA 1.00* MC 1.00* MK 1.03 ! NL 1.00 NY 1.00* OV 0.94 PT 1.00 ! SC 1.00 TS 1.00* WF 0.99 WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.02 KK 1.00* KP 1.12 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 0.99 PT 0.99 ! SC 0.97 TS 1.00* WF 1.02 WZ 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.01 GC 1.00* GG 1.00* ! HH 0.89 HN 1.00* KK 1.04 KP 1.11 ! LA 0.99 MA 0.90 MC 1.22 MK 0.98 ! NL 1.05 NY 1.00* OV 0.95 PT 0.99 ! SC 1.00* TS 0.97 WF 1.00* WZ 1.06 ! ! 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=0.196652Jy sigma=0.001431 ! Fit after self-cal, rms=0.175222Jy sigma=0.001248 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9422 mas, bmaj=2.575 mas, bpa=-6.557 degrees ! Estimated noise=768.992 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 (-2.4, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120097 Jy ! Component: 100 - total flux cleaned = 0.0133982 Jy ! Component: 150 - total flux cleaned = 0.0142192 Jy ! Component: 200 - total flux cleaned = 0.0147036 Jy ! Total flux subtracted in 200 components = 0.0147036 Jy ! Clean residual min=-0.005767 max=0.005373 Jy/beam ! Clean residual mean=-0.000207 rms=0.001792 Jy/beam ! Combined flux in latest and established models = 1.44576 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 49 components and 1.44576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174209Jy sigma=0.001237 ! Fit after self-cal, rms=0.174222Jy sigma=0.001236 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174222Jy sigma=0.001236 ! Fit after self-cal, rms=0.172862Jy sigma=0.001222 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9442 mas, bmaj=2.578 mas, bpa=-6.62 degrees ! Estimated noise=768.544 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108907 Jy ! Component: 100 - total flux cleaned = 0.00173823 Jy ! Component: 150 - total flux cleaned = 0.00250427 Jy ! Component: 200 - total flux cleaned = 0.00303901 Jy ! Total flux subtracted in 200 components = 0.00303901 Jy ! Clean residual min=-0.004997 max=0.005498 Jy/beam ! Clean residual mean=-0.000097 rms=0.001532 Jy/beam ! Combined flux in latest and established models = 1.44879 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 60 components and 1.44879 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172543Jy sigma=0.001219 ! Fit after self-cal, rms=0.172532Jy sigma=0.001219 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000673041 Jy ! Component: 100 - total flux cleaned = 0.00105011 Jy ! Component: 150 - total flux cleaned = 0.00113582 Jy ! Component: 200 - total flux cleaned = 0.00113727 Jy ! Total flux subtracted in 200 components = 0.00113727 Jy ! Clean residual min=-0.004930 max=0.005424 Jy/beam ! Clean residual mean=-0.000136 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 1.44993 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 1.44993 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172414Jy sigma=0.001218 ! Fit after self-cal, rms=0.172414Jy sigma=0.001218 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172414Jy sigma=0.001218 ! Fit after self-cal, rms=0.172293Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9469 mas, bmaj=2.582 mas, bpa=-6.678 degrees ! Estimated noise=769.193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000750871 Jy ! Component: 100 - total flux cleaned = -0.000354017 Jy ! Component: 150 - total flux cleaned = -8.85307e-05 Jy ! Component: 200 - total flux cleaned = 6.61601e-05 Jy ! Total flux subtracted in 200 components = 6.61601e-05 Jy ! Clean residual min=-0.004904 max=0.005663 Jy/beam ! Clean residual mean=-0.000058 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 1.45 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 77 components and 1.45 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172124Jy sigma=0.001210 ! Fit after self-cal, rms=0.172135Jy sigma=0.001210 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.82538e-05 Jy ! Component: 100 - total flux cleaned = -8.73482e-05 Jy ! Component: 150 - total flux cleaned = -2.20472e-05 Jy ! Component: 200 - total flux cleaned = -2.17125e-05 Jy ! Total flux subtracted in 200 components = -2.17125e-05 Jy ! Clean residual min=-0.004523 max=0.005640 Jy/beam ! Clean residual mean=-0.000058 rms=0.001328 Jy/beam ! Combined flux in latest and established models = 1.44998 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 82 components and 1.44998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172061Jy sigma=0.001210 ! Fit after self-cal, rms=0.172062Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Added new window around map position (-5, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00522116 Jy ! Component: 100 - total flux cleaned = 0.00626125 Jy ! Component: 150 - total flux cleaned = 0.00645114 Jy ! Component: 200 - total flux cleaned = 0.00637388 Jy ! Total flux subtracted in 200 components = 0.00637388 Jy ! Clean residual min=-0.004478 max=0.003225 Jy/beam ! Clean residual mean=-0.000247 rms=0.001041 Jy/beam ! Combined flux in latest and established models = 1.45635 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 100 components and 1.45635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171882Jy sigma=0.001208 ! Fit after self-cal, rms=0.171863Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171863Jy sigma=0.001208 ! Fit after self-cal, rms=0.172118Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=2.359 mas, bmaj=5.334 mas, bpa=6.415 degrees ! Estimated noise=879.506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129316 Jy ! Component: 100 - total flux cleaned = 0.00165439 Jy ! Component: 150 - total flux cleaned = 0.00182705 Jy ! Component: 200 - total flux cleaned = 0.0017283 Jy ! Total flux subtracted in 200 components = 0.0017283 Jy ! Clean residual min=-0.002939 max=0.003389 Jy/beam ! Clean residual mean=-0.000347 rms=0.001075 Jy/beam ! Combined flux in latest and established models = 1.45808 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 117 components and 1.45808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172068Jy sigma=0.001207 ! Fit after self-cal, rms=0.172060Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000482257 Jy ! Component: 100 - total flux cleaned = 0.000481374 Jy ! Component: 150 - total flux cleaned = 0.000483081 Jy ! Component: 200 - total flux cleaned = 0.000483503 Jy ! Total flux subtracted in 200 components = 0.000483503 Jy ! Clean residual min=-0.002934 max=0.003460 Jy/beam ! Clean residual mean=-0.000368 rms=0.001082 Jy/beam ! Combined flux in latest and established models = 1.45856 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 130 components and 1.45856 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172042Jy sigma=0.001206 ! Fit after self-cal, rms=0.172039Jy sigma=0.001206 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9473 mas, bmaj=2.583 mas, bpa=-6.645 degrees ! Estimated noise=768.945 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9473 x 2.583 at -6.645 degrees (North through East) ! Clean map min=-0.0034931 max=1.1738 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=0.172039Jy sigma=0.001206 ! Fit after self-cal, rms=0.160863Jy sigma=0.001099 ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.947 mas, bmaj=2.582 mas, bpa=-6.667 degrees ! Estimated noise=767.823 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000496556 Jy ! Component: 100 - total flux cleaned = 0.000922478 Jy ! Component: 150 - total flux cleaned = 0.00104862 Jy ! Component: 200 - total flux cleaned = 0.00110782 Jy ! Total flux subtracted in 200 components = 0.00110782 Jy ! Clean residual min=-0.003597 max=0.002603 Jy/beam ! Clean residual mean=-0.000149 rms=0.000854 Jy/beam ! Combined flux in latest and established models = 1.45967 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 139 components and 1.45967 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160785Jy sigma=0.001098 ! Fit after self-cal, rms=0.160784Jy sigma=0.001098 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000175165 Jy ! Component: 100 - total flux cleaned = 0.000228184 Jy ! Component: 150 - total flux cleaned = 0.000227077 Jy ! Component: 200 - total flux cleaned = 0.000228229 Jy ! Total flux subtracted in 200 components = 0.000228229 Jy ! Clean residual min=-0.003492 max=0.002592 Jy/beam ! Clean residual mean=-0.000156 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 1.4599 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 149 components and 1.4599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160742Jy sigma=0.001098 ! Fit after self-cal, rms=0.160744Jy sigma=0.001098 ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160744Jy sigma=0.001098 ! Fit after self-cal, rms=0.160980Jy sigma=0.001098 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 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.666 mas, bmaj=1.805 mas, bpa=-4.881 degrees ! Estimated noise=1452.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.822113 Jy ! Component: 100 - total flux cleaned = 1.07605 Jy ! Component: 150 - total flux cleaned = 1.21012 Jy ! Component: 200 - total flux cleaned = 1.28263 Jy ! Total flux subtracted in 200 components = 1.28263 Jy ! Clean residual min=-0.017646 max=0.036207 Jy/beam ! Clean residual mean=0.000708 rms=0.005702 Jy/beam ! Combined flux in latest and established models = 1.28263 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 9 model components to the UV plane model. ! The established model now contains 9 components and 1.28263 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9471 mas, bmaj=2.583 mas, bpa=-6.654 degrees ! Estimated noise=767.553 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 = 0.0702091 Jy ! Component: 100 - total flux cleaned = 0.106563 Jy ! Component: 150 - total flux cleaned = 0.127382 Jy ! Component: 200 - total flux cleaned = 0.140415 Jy ! Total flux subtracted in 200 components = 0.140415 Jy ! Clean residual min=-0.004147 max=0.008178 Jy/beam ! Clean residual mean=0.001144 rms=0.002211 Jy/beam ! Combined flux in latest and established models = 1.42305 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 42 components and 1.42305 Jy ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=2.359 mas, bmaj=5.331 mas, bpa=6.436 degrees ! Estimated noise=878.325 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133358 Jy ! Component: 100 - total flux cleaned = 0.0216931 Jy ! Component: 150 - total flux cleaned = 0.0271241 Jy ! Component: 200 - total flux cleaned = 0.0307019 Jy ! Total flux subtracted in 200 components = 0.0307019 Jy ! Clean residual min=-0.002478 max=0.003472 Jy/beam ! Clean residual mean=0.000157 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 1.45375 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 = 0.00231812 Jy ! Component: 100 - total flux cleaned = 0.00304132 Jy ! Component: 150 - total flux cleaned = 0.00363146 Jy ! Component: 200 - total flux cleaned = 0.00406999 Jy ! Total flux subtracted in 200 components = 0.00406999 Jy ! Clean residual min=-0.002245 max=0.003037 Jy/beam ! Clean residual mean=-0.000100 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 1.45782 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 93 components and 1.45782 Jy ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! Estimated beam: bmin=0.9471 mas, bmaj=2.583 mas, bpa=-6.654 degrees ! Estimated noise=767.553 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000806035 Jy ! Component: 100 - total flux cleaned = 0.00090441 Jy ! Component: 150 - total flux cleaned = 0.00108929 Jy ! Component: 200 - total flux cleaned = 0.00108541 Jy ! Total flux subtracted in 200 components = 0.00108541 Jy ! Clean residual min=-0.003169 max=0.002995 Jy/beam ! Clean residual mean=-0.000094 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 1.45891 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 1.4589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161480Jy sigma=0.001100 ! Fit after self-cal, rms=0.161460Jy sigma=0.001100 wmodel J0921-2618_X_2001_04_09_pus_map.mod ! Writing 105 model components to file: J0921-2618_X_2001_04_09_pus_map.mod wobs J0921-2618_X_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J0921-2618_X_2001_04_09_pus_uvs.fits wwins J0921-2618_X_2001_04_09_pus_map.win ! wwins: Wrote 4 windows to J0921-2618_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 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00113337 Jy ! Component: 100 - total flux cleaned = -0.00165401 Jy ! Component: 150 - total flux cleaned = -0.00208887 Jy ! Component: 200 - total flux cleaned = -0.002546 Jy ! Component: 250 - total flux cleaned = -0.00280862 Jy ! Component: 300 - total flux cleaned = -0.00285105 Jy ! Component: 350 - total flux cleaned = -0.00285189 Jy ! Component: 400 - total flux cleaned = -0.00293299 Jy ! Component: 450 - total flux cleaned = -0.00305006 Jy ! Component: 500 - total flux cleaned = -0.00308833 Jy ! Component: 550 - total flux cleaned = -0.00316383 Jy ! Component: 600 - total flux cleaned = -0.00331166 Jy ! Component: 650 - total flux cleaned = -0.00342015 Jy ! Component: 700 - total flux cleaned = -0.00352693 Jy ! Component: 750 - total flux cleaned = -0.00359767 Jy ! Component: 800 - total flux cleaned = -0.00366706 Jy ! Component: 850 - total flux cleaned = -0.00373512 Jy ! Component: 900 - total flux cleaned = -0.00376853 Jy ! Component: 950 - total flux cleaned = -0.00383474 Jy ! Component: 1000 - total flux cleaned = -0.00389955 Jy ! Total flux subtracted in 1024 components = -0.0039317 Jy ! Clean residual min=-0.001988 max=0.001895 Jy/beam ! Clean residual mean=0.000005 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 1.45497 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 170 components and 1.45497 Jy ![Exited script file: muppet] wmap "J0921-2618_X_2001_04_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9471 x 2.583 at -6.654 degrees (North through East) ! Clean map min=-0.0027284 max=1.175 Jy/beam ! Writing clean map to FITS file: J0921-2618_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 1.17497 invert ! Inverting map ! Your choice of large map pixels excluded 0.533% of the data. ! The x-axis pixel size should ideally be below 0.1963 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000657227 device "J0921-2618_X_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0921-2618_X_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.167808 0.167808 0.335615 0.67123 1.34246 2.68492 5.36984 10.7397 21.4794 42.9587 85.9174 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.174 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9471 x 2.583 at -6.654 degrees (North through East) ! Clean map min=-0.0027284 max=1.175 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0921-2618_X_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0921-2618_X_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0921-2618_X_2001_04_09_pus_uvs.log closed on Mon Oct 1 14:37:33 2007