! Started logfile: J1801+4404_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:26:25 2010 obs J1801+4404_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1801+4404_X_2007_12_05_pus_uva.fits ! AN table 1: 488 integrations on 136 of 136 possible baselines. ! AN table 2: 199 integrations on 136 of 136 possible baselines. ! AN table 3: 87 integrations on 136 of 136 possible baselines. ! AN table 4: 45 integrations on 136 of 136 possible baselines. ! AN table 5: 3 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0756852 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1801+4404 ! ! 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 1501 lines of history. ! ! Reading 33844 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 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 5761 telescope corrections were flagged in sub-array 1. ! A total of 3023 telescope corrections were flagged in sub-array 2. ! A total of 1271 telescope corrections were flagged in sub-array 3. ! A total of 539 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 5761 telescope corrections were flagged in sub-array 1. ! A total of 3023 telescope corrections were flagged in sub-array 2. ! A total of 1271 telescope corrections were flagged in sub-array 3. ! A total of 539 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 5761 telescope corrections were flagged in sub-array 1. ! A total of 3023 telescope corrections were flagged in sub-array 2. ! A total of 1271 telescope corrections were flagged in sub-array 3. ! A total of 539 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 5867 telescope corrections were flagged in sub-array 1. ! A total of 3023 telescope corrections were flagged in sub-array 2. ! A total of 1271 telescope corrections were flagged in sub-array 3. ! A total of 539 telescope corrections were flagged in sub-array 4. ! A total of 51 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.835297Jy sigma=0.006308 ! Fit after self-cal, rms=0.379634Jy sigma=0.002102 ! 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 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.5811 mas, bmaj=0.893 mas, bpa=-1.137 degrees ! Estimated noise=1013.1 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 = 0.742479 Jy ! Component: 100 - total flux cleaned = 0.927683 Jy ! Total flux subtracted in 100 components = 0.927683 Jy ! Clean residual min=-0.032033 max=0.073876 Jy/beam ! Clean residual mean=-0.000151 rms=0.007914 Jy/beam ! Combined flux in latest and established models = 0.927683 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.927683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.348828Jy sigma=0.001836 ! Fit after self-cal, rms=0.348632Jy sigma=0.001836 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0780816 Jy ! Component: 100 - total flux cleaned = 0.123978 Jy ! Total flux subtracted in 100 components = 0.123978 Jy ! Clean residual min=-0.026451 max=0.029621 Jy/beam ! Clean residual mean=-0.000431 rms=0.005988 Jy/beam ! Combined flux in latest and established models = 1.05166 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 1.05166 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.337091Jy sigma=0.001690 ! Fit after self-cal, rms=0.336805Jy sigma=0.001690 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6641 mas, bmaj=0.9432 mas, bpa=-0.9943 degrees ! Estimated noise=560.833 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 = 0.0193049 Jy ! Component: 100 - total flux cleaned = 0.0184183 Jy ! Component: 150 - total flux cleaned = 0.0180551 Jy ! Component: 200 - total flux cleaned = 0.0169686 Jy ! Total flux subtracted in 200 components = 0.0169686 Jy ! Clean residual min=-0.037828 max=0.017403 Jy/beam ! Clean residual mean=-0.009864 rms=0.005331 Jy/beam ! Combined flux in latest and established models = 1.06863 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 12 components and 1.06863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.336086Jy sigma=0.001670 ! Fit after self-cal, rms=0.335962Jy sigma=0.001670 ! Inverting map ! Your choice of large map pixels excluded 12.3% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 273 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00* HH 1.01 HN 1.16 ! KB 1.05 KP 1.00* LA 1.00* MK 1.00* ! NL 1.12 NY 0.90 ON 0.97 OV 1.00* ! PT 1.00* SV 1.00 TS 1.19 WZ 1.04 ! ZC 0.97 ! ! A total of 177 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.00* HH 1.00* HN 1.16 ! KB 0.98 KP 0.91 LA 0.94 MK 0.96 ! NL 0.99 NY 1.00* ON 1.00* OV 0.93 ! PT 0.92 SV 1.00* TS 0.93 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 0.96 HH 1.00* HN 1.10 ! KB 1.00* KP 0.97 LA 0.95 MK 1.03 ! NL 1.06 NY 0.87 ON 1.00* OV 0.95 ! PT 0.93 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.90 FD 1.03 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00 LA 1.04 MK 1.00* ! NL 1.12 NY 1.00* ON 1.00* OV 0.95 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! ! Correcting IF 2. ! A total of 273 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00* HH 1.04 HN 1.16 ! KB 1.06 KP 1.00* LA 1.00* MK 1.00* ! NL 1.09 NY 0.92 ON 0.98 OV 1.00* ! PT 1.00* SV 0.94 TS 1.21 WZ 1.02 ! ZC 1.00 ! ! A total of 177 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00* HH 1.00* HN 1.18 ! KB 0.97 KP 0.89 LA 0.92 MK 0.95 ! NL 0.96 NY 1.00* ON 1.00* OV 0.91 ! PT 0.97 SV 1.00* TS 0.94 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.96 HH 1.00* HN 1.10 ! KB 1.00* KP 0.92 LA 0.93 MK 1.04 ! NL 1.02 NY 0.90 ON 1.00* OV 0.92 ! PT 0.99 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.03 HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 1.03 MK 1.00* ! NL 1.12 NY 1.00* ON 1.00* OV 0.93 ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! ! Correcting IF 3. ! A total of 273 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00* HH 1.05 HN 1.15 ! KB 1.03 KP 1.00* LA 1.00* MK 1.00* ! NL 1.09 NY 0.94 ON 0.92 OV 1.00* ! PT 1.00* SV 0.97 TS 1.22 WZ 0.98 ! ZC 0.96 ! ! A total of 177 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00* HH 1.00* HN 1.18 ! KB 0.99 KP 0.90 LA 0.94 MK 0.96 ! NL 0.99 NY 1.00* ON 1.00* OV 0.95 ! PT 0.98 SV 1.00* TS 0.92 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.95 HH 1.00* HN 1.05 ! KB 1.00* KP 0.96 LA 0.98 MK 1.05 ! NL 1.04 NY 0.92 ON 1.00* OV 0.97 ! PT 0.99 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 1.04 HH 1.00* HN 1.00* ! KB 1.00* KP 0.99 LA 1.06 MK 1.00* ! NL 1.11 NY 1.00* ON 1.00* OV 0.98 ! PT 1.07 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! ! Correcting IF 4. ! A total of 270 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.00* HH 1.06 HN 1.18 ! KB 1.03 KP 1.00* LA 1.00* MK 1.00* ! NL 1.12 NY 0.92 ON 0.94 OV 1.00* ! PT 1.00* SV 0.92 TS 1.21 WZ 0.96 ! ZC 1.00* ! ! A total of 177 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00* HH 1.00* HN 1.20 ! KB 0.99 KP 0.90 LA 0.93 MK 0.96 ! NL 1.01 NY 1.00* ON 1.00* OV 0.93 ! PT 0.97 SV 1.00* TS 0.95 WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 HH 1.00* HN 1.04 ! KB 1.00* KP 0.96 LA 0.96 MK 1.09 ! NL 1.04 NY 0.88 ON 1.00* OV 0.95 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.03 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00 LA 1.03 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 0.97 ! PT 1.07 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! ! Fit before self-cal, rms=0.335962Jy sigma=0.001670 ! Fit after self-cal, rms=0.339819Jy sigma=0.001420 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6779 mas, bmaj=0.9407 mas, bpa=-1.542 degrees ! Estimated noise=590.324 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 = -0.0117195 Jy ! Component: 100 - total flux cleaned = -0.013659 Jy ! Component: 150 - total flux cleaned = -0.0145294 Jy ! Component: 200 - total flux cleaned = -0.0149835 Jy ! Total flux subtracted in 200 components = -0.0149835 Jy ! Clean residual min=-0.018210 max=0.015998 Jy/beam ! Clean residual mean=-0.001300 rms=0.003514 Jy/beam ! Combined flux in latest and established models = 1.05365 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 1.05365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.339494Jy sigma=0.001406 ! Fit after self-cal, rms=0.339700Jy sigma=0.001405 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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=0.339700Jy sigma=0.001405 ! Fit after self-cal, rms=0.360163Jy sigma=0.001312 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6841 mas, bmaj=0.9455 mas, bpa=0.3291 degrees ! Estimated noise=597.273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125628 Jy ! Component: 100 - total flux cleaned = 0.002138 Jy ! Component: 150 - total flux cleaned = 0.00246627 Jy ! Component: 200 - total flux cleaned = 0.0029707 Jy ! Total flux subtracted in 200 components = 0.0029707 Jy ! Clean residual min=-0.013670 max=0.013523 Jy/beam ! Clean residual mean=0.000951 rms=0.002632 Jy/beam ! Combined flux in latest and established models = 1.05662 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 24 components and 1.05662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360418Jy sigma=0.001301 ! Fit after self-cal, rms=0.360457Jy sigma=0.001301 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 = 0.000374594 Jy ! Component: 100 - total flux cleaned = 0.000686224 Jy ! Component: 150 - total flux cleaned = 0.000685849 Jy ! Component: 200 - total flux cleaned = 0.000803546 Jy ! Total flux subtracted in 200 components = 0.000803546 Jy ! Clean residual min=-0.013383 max=0.013056 Jy/beam ! Clean residual mean=0.000922 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 1.05742 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 1.05742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360387Jy sigma=0.001300 ! Fit after self-cal, rms=0.360352Jy sigma=0.001300 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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=0.360352Jy sigma=0.001300 ! Fit after self-cal, rms=0.447533Jy sigma=0.001226 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6819 mas, bmaj=0.9462 mas, bpa=-0.2183 degrees ! Estimated noise=598.326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190486 Jy ! Component: 100 - total flux cleaned = 0.00226302 Jy ! Component: 150 - total flux cleaned = 0.00226474 Jy ! Component: 200 - total flux cleaned = 0.00227645 Jy ! Total flux subtracted in 200 components = 0.00227645 Jy ! Clean residual min=-0.009294 max=0.006426 Jy/beam ! Clean residual mean=-0.000132 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 1.0597 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 1.0597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.447408Jy sigma=0.001225 ! Fit after self-cal, rms=0.447628Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 = 0.000120812 Jy ! Component: 100 - total flux cleaned = 0.000124211 Jy ! Component: 150 - total flux cleaned = 0.000123474 Jy ! Component: 200 - total flux cleaned = 0.000230107 Jy ! Total flux subtracted in 200 components = 0.000230107 Jy ! Clean residual min=-0.008895 max=0.006446 Jy/beam ! Clean residual mean=-0.000139 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 1.05993 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 29 components and 1.05993 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.447612Jy sigma=0.001224 ! Fit after self-cal, rms=0.447568Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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=0.447568Jy sigma=0.001224 ! Fit after self-cal, rms=0.452407Jy sigma=0.001224 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=2.347 mas, bmaj=2.842 mas, bpa=-89.4 degrees ! Estimated noise=821.919 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000184639 Jy ! Component: 100 - total flux cleaned = 0.000190763 Jy ! Component: 150 - total flux cleaned = 0.000247518 Jy ! Component: 200 - total flux cleaned = 0.000242983 Jy ! Total flux subtracted in 200 components = 0.000242983 Jy ! Clean residual min=-0.005452 max=0.005328 Jy/beam ! Clean residual mean=-0.000259 rms=0.001438 Jy/beam ! Combined flux in latest and established models = 1.06017 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 1.06017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.452524Jy sigma=0.001224 ! Fit after self-cal, rms=0.452462Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 = -0.00010791 Jy ! Component: 100 - total flux cleaned = -4.1317e-05 Jy ! Component: 150 - total flux cleaned = -3.97549e-05 Jy ! Component: 200 - total flux cleaned = -3.81014e-05 Jy ! Total flux subtracted in 200 components = -3.81014e-05 Jy ! Clean residual min=-0.005387 max=0.005422 Jy/beam ! Clean residual mean=-0.000256 rms=0.001426 Jy/beam ! Combined flux in latest and established models = 1.06013 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 1.06013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.452514Jy sigma=0.001224 ! Fit after self-cal, rms=0.452478Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6817 mas, bmaj=0.9481 mas, bpa=-0.139 degrees ! Estimated noise=599.607 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6817 x 0.9481 at -0.139 degrees (North through East) ! Clean map min=-0.0046282 max=0.96302 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=0.452478Jy sigma=0.001224 ! Fit after self-cal, rms=0.592421Jy sigma=0.001083 ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6823 mas, bmaj=0.9483 mas, bpa=0.009718 degrees ! Estimated noise=600.122 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177539 Jy ! Component: 100 - total flux cleaned = 0.00190654 Jy ! Component: 150 - total flux cleaned = 0.00190548 Jy ! Component: 200 - total flux cleaned = 0.00201305 Jy ! Total flux subtracted in 200 components = 0.00201305 Jy ! Clean residual min=-0.007884 max=0.005475 Jy/beam ! Clean residual mean=-0.000090 rms=0.001255 Jy/beam ! Combined flux in latest and established models = 1.06215 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 1.06214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592354Jy sigma=0.001082 ! Fit after self-cal, rms=0.592331Jy sigma=0.001082 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000383067 Jy ! Component: 100 - total flux cleaned = 0.00038313 Jy ! Component: 150 - total flux cleaned = 0.000383901 Jy ! Component: 200 - total flux cleaned = 0.000389318 Jy ! Total flux subtracted in 200 components = 0.000389318 Jy ! Clean residual min=-0.007690 max=0.005417 Jy/beam ! Clean residual mean=-0.000104 rms=0.001236 Jy/beam ! Combined flux in latest and established models = 1.06253 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 1.06253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592315Jy sigma=0.001082 ! Fit after self-cal, rms=0.592287Jy sigma=0.001082 ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592287Jy sigma=0.001082 ! Fit after self-cal, rms=0.595647Jy sigma=0.001082 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 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6006 mas, bmaj=0.9287 mas, bpa=-1.187 degrees ! Estimated noise=1033.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.758388 Jy ! Component: 100 - total flux cleaned = 0.936002 Jy ! Component: 150 - total flux cleaned = 1.00129 Jy ! Component: 200 - total flux cleaned = 1.03186 Jy ! Total flux subtracted in 200 components = 1.03186 Jy ! Clean residual min=-0.009094 max=0.018370 Jy/beam ! Clean residual mean=0.000058 rms=0.002154 Jy/beam ! Combined flux in latest and established models = 1.03186 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 8 model components to the UV plane model. ! The established model now contains 8 components and 1.03186 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6821 mas, bmaj=0.9495 mas, bpa=0.01975 degrees ! Estimated noise=601.046 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, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0192388 Jy ! Component: 100 - total flux cleaned = 0.0284675 Jy ! Component: 150 - total flux cleaned = 0.0293895 Jy ! Component: 200 - total flux cleaned = 0.0299217 Jy ! Total flux subtracted in 200 components = 0.0299217 Jy ! Clean residual min=-0.008405 max=0.007244 Jy/beam ! Clean residual mean=-0.000020 rms=0.001381 Jy/beam ! Combined flux in latest and established models = 1.06179 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 19 components and 1.06179 Jy ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 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 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=2.347 mas, bmaj=2.841 mas, bpa=-89.52 degrees ! Estimated noise=823.444 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166651 Jy ! Component: 100 - total flux cleaned = 0.00182167 Jy ! Component: 150 - total flux cleaned = 0.00179669 Jy ! Component: 200 - total flux cleaned = 0.00179604 Jy ! Total flux subtracted in 200 components = 0.00179604 Jy ! Clean residual min=-0.004882 max=0.004437 Jy/beam ! Clean residual mean=-0.000246 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 1.06358 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 = -2.31146e-05 Jy ! Component: 100 - total flux cleaned = -4.41773e-05 Jy ! Component: 150 - total flux cleaned = -6.5099e-05 Jy ! Component: 200 - total flux cleaned = -8.50434e-05 Jy ! Total flux subtracted in 200 components = -8.50434e-05 Jy ! Clean residual min=-0.004891 max=0.004425 Jy/beam ! Clean residual mean=-0.000237 rms=0.001277 Jy/beam ! Combined flux in latest and established models = 1.0635 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 1.0635 Jy ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! Estimated beam: bmin=0.6821 mas, bmaj=0.9495 mas, bpa=0.01975 degrees ! Estimated noise=601.046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000244464 Jy ! Component: 100 - total flux cleaned = -2.7825e-05 Jy ! Component: 150 - total flux cleaned = 0.000358226 Jy ! Component: 200 - total flux cleaned = 0.000531199 Jy ! Total flux subtracted in 200 components = 0.000531199 Jy ! Clean residual min=-0.007550 max=0.006352 Jy/beam ! Clean residual mean=-0.000096 rms=0.001279 Jy/beam ! Combined flux in latest and established models = 1.06403 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 34 components and 1.06403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.596227Jy sigma=0.001086 ! Fit after self-cal, rms=0.596458Jy sigma=0.001085 wmodel J1801+4404_X_2007_12_05_pus_map.mod ! Writing 34 model components to file: J1801+4404_X_2007_12_05_pus_map.mod wobs J1801+4404_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1801+4404_X_2007_12_05_pus_uvs.fits wwins J1801+4404_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J1801+4404_X_2007_12_05_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 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00127928 Jy ! Component: 100 - total flux cleaned = -0.00106428 Jy ! Component: 150 - total flux cleaned = -0.00115804 Jy ! Component: 200 - total flux cleaned = -0.00143171 Jy ! Component: 250 - total flux cleaned = -0.00178311 Jy ! Component: 300 - total flux cleaned = -0.00195336 Jy ! Component: 350 - total flux cleaned = -0.00219888 Jy ! Component: 400 - total flux cleaned = -0.00243728 Jy ! Component: 450 - total flux cleaned = -0.00267001 Jy ! Component: 500 - total flux cleaned = -0.00267019 Jy ! Component: 550 - total flux cleaned = -0.00281932 Jy ! Component: 600 - total flux cleaned = -0.00289199 Jy ! Component: 650 - total flux cleaned = -0.00296228 Jy ! Component: 700 - total flux cleaned = -0.00296201 Jy ! Component: 750 - total flux cleaned = -0.00303039 Jy ! Component: 800 - total flux cleaned = -0.00302993 Jy ! Component: 850 - total flux cleaned = -0.00302986 Jy ! Component: 900 - total flux cleaned = -0.00303028 Jy ! Component: 950 - total flux cleaned = -0.00296658 Jy ! Component: 1000 - total flux cleaned = -0.00302933 Jy ! Component: 1050 - total flux cleaned = -0.00296745 Jy ! Component: 1100 - total flux cleaned = -0.00296768 Jy ! Component: 1150 - total flux cleaned = -0.00296794 Jy ! Component: 1200 - total flux cleaned = -0.00296774 Jy ! Component: 1250 - total flux cleaned = -0.00296759 Jy ! Component: 1300 - total flux cleaned = -0.00290936 Jy ! Component: 1350 - total flux cleaned = -0.00290935 Jy ! Component: 1400 - total flux cleaned = -0.00285312 Jy ! Component: 1450 - total flux cleaned = -0.00279786 Jy ! Component: 1500 - total flux cleaned = -0.00279814 Jy ! Component: 1550 - total flux cleaned = -0.00285262 Jy ! Component: 1600 - total flux cleaned = -0.00279844 Jy ! Component: 1650 - total flux cleaned = -0.00274526 Jy ! Component: 1700 - total flux cleaned = -0.00274526 Jy ! Component: 1750 - total flux cleaned = -0.00269356 Jy ! Component: 1800 - total flux cleaned = -0.00274522 Jy ! Component: 1850 - total flux cleaned = -0.00274484 Jy ! Component: 1900 - total flux cleaned = -0.00269446 Jy ! Component: 1950 - total flux cleaned = -0.0027445 Jy ! Component: 2000 - total flux cleaned = -0.00269517 Jy ! Total flux subtracted in 2048 components = -0.00274432 Jy ! Clean residual min=-0.002716 max=0.003174 Jy/beam ! Clean residual mean=-0.000000 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 1.06128 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 173 components and 1.06128 Jy wmap "J1801+4404_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6821 x 0.9495 at 0.01975 degrees (North through East) ! Clean map min=-0.0055472 max=0.97303 Jy/beam ! Writing clean map to FITS file: J1801+4404_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.973026 invert ! Inverting map ! Your choice of large map pixels excluded 12.5% of the data. ! The x-axis pixel size should ideally be below 0.1818 milli-arcsec ! The y-axis pixel size should ideally be below 0.1435 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000832024 device "J1801+4404_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1801+4404_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.256527 0.256527 0.513054 1.02611 2.05221 4.10443 8.20886 16.4177 32.8354 65.6709 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.973 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6821 x 0.9495 at 0.01975 degrees (North through East) ! Clean map min=-0.0055472 max=0.97303 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1801+4404_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1801+4404_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1801+4404_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:26:48 2010