! Started logfile: J2147+0929_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:39:56 2011 obs J2147+0929_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2147+0929_X_2009_04_21_pus_uva.fits ! AN table 1: 171 integrations on 120 of 120 possible baselines. ! AN table 2: 101 integrations on 120 of 120 possible baselines. ! AN table 3: 23 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.177684 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2147+0929 ! ! 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 2445 lines of history. ! ! Reading 25160 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2147+0929_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1886 telescope corrections were flagged in sub-array 1. ! A total of 1082 telescope corrections were flagged in sub-array 2. ! A total of 199 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1886 telescope corrections were flagged in sub-array 1. ! A total of 1082 telescope corrections were flagged in sub-array 2. ! A total of 199 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1886 telescope corrections were flagged in sub-array 1. ! A total of 1082 telescope corrections were flagged in sub-array 2. ! A total of 199 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1886 telescope corrections were flagged in sub-array 1. ! A total of 1082 telescope corrections were flagged in sub-array 2. ! A total of 199 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.497842Jy sigma=0.004384 ! Fit after self-cal, rms=0.232882Jy sigma=0.002429 ! 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.5289 mas, bmaj=1.57 mas, bpa=-5.226 degrees ! Estimated noise=767.231 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 = 0.689233 Jy ! Component: 100 - total flux cleaned = 0.847083 Jy ! Total flux subtracted in 100 components = 0.847083 Jy ! Clean residual min=-0.017296 max=0.060302 Jy/beam ! Clean residual mean=-0.000311 rms=0.005308 Jy/beam ! Combined flux in latest and established models = 0.847083 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.847083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214633Jy sigma=0.002050 ! Fit after self-cal, rms=0.214544Jy sigma=0.002050 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0658115 Jy ! Component: 100 - total flux cleaned = 0.100508 Jy ! Total flux subtracted in 100 components = 0.100508 Jy ! Clean residual min=-0.015860 max=0.020566 Jy/beam ! Clean residual mean=-0.000470 rms=0.004080 Jy/beam ! Combined flux in latest and established models = 0.947592 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 15 components and 0.947592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192441Jy sigma=0.001832 ! Fit after self-cal, rms=0.192265Jy sigma=0.001831 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.594 mas, bmaj=1.713 mas, bpa=-6.032 degrees ! Estimated noise=513.15 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 (0.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0250893 Jy ! Component: 100 - total flux cleaned = 0.0397838 Jy ! Component: 150 - total flux cleaned = 0.0456891 Jy ! Component: 200 - total flux cleaned = 0.0465773 Jy ! Total flux subtracted in 200 components = 0.0465773 Jy ! Clean residual min=-0.014052 max=0.011881 Jy/beam ! Clean residual mean=-0.003024 rms=0.002808 Jy/beam ! Combined flux in latest and established models = 0.994169 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 34 components and 0.994169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188619Jy sigma=0.001805 ! Fit after self-cal, rms=0.188504Jy sigma=0.001804 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.03 KB 2.74 ! KK 1.05 KP 1.00 LA 0.98 MK 1.01 ! NL 0.99 NY 1.02 OV 1.01 PT 1.01 ! SC 1.00 TS 1.10 WZ 1.06 ZC 1.02 ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HN 0.99 KB 1.00* ! KK 1.00* KP 0.98 LA 1.03 MK 1.00* ! NL 1.00 NY 1.01 OV 1.00 PT 1.00 ! SC 0.98 TS 1.00* WZ 1.09 ZC 0.98 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.91 HN 0.96 KB 1.01 ! KK 1.03 KP 0.91 LA 0.88 MK 0.93 ! NL 0.76 NY 1.00* OV 0.94 PT 0.94 ! SC 0.98 TS 0.95 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.03 KB 2.81 ! KK 1.04 KP 0.99 LA 0.99 MK 1.01 ! NL 0.97 NY 1.05 OV 1.00 PT 1.00 ! SC 1.02 TS 1.12 WZ 0.99 ZC 1.02 ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HN 0.99 KB 1.00* ! KK 1.00* KP 0.99 LA 1.03 MK 1.00* ! NL 0.98 NY 1.05 OV 0.98 PT 0.99 ! SC 0.98 TS 1.00* WZ 1.01 ZC 0.99 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.92 HN 0.98 KB 1.05 ! KK 0.94 KP 0.92 LA 0.88 MK 0.94 ! NL 0.76 NY 1.00* OV 0.92 PT 0.90 ! SC 0.99 TS 0.95 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.04 KB 1.03 ! KK 1.03 KP 0.99 LA 0.97 MK 1.01 ! NL 1.01 NY 1.06 OV 1.01 PT 1.00 ! SC 1.04 TS 1.13 WZ 0.95 ZC 1.03 ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 HN 1.01 KB 1.00* ! KK 1.00* KP 0.98 LA 1.02 MK 1.00* ! NL 1.03 NY 1.07 OV 0.99 PT 0.99 ! SC 1.01 TS 1.00* WZ 0.99 ZC 0.98 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.93 HN 0.97 KB 1.03 ! KK 0.98 KP 0.93 LA 0.89 MK 0.94 ! NL 0.78 NY 1.00* OV 0.94 PT 0.91 ! SC 1.01 TS 0.93 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.04 KB 1.00 ! KK 1.05 KP 0.99 LA 0.98 MK 1.03 ! NL 1.02 NY 1.02 OV 1.00 PT 0.98 ! SC 1.03 TS 1.12 WZ 0.98 ZC 1.02 ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HN 0.99 KB 1.00* ! KK 1.00* KP 0.98 LA 1.03 MK 1.00* ! NL 1.00 NY 1.04 OV 1.01 PT 0.98 ! SC 1.00 TS 1.00* WZ 1.00 ZC 0.97 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.96 HN 0.97 KB 1.01 ! KK 0.97 KP 0.91 LA 0.87 MK 0.97 ! NL 0.79 NY 1.00* OV 0.95 PT 0.90 ! SC 1.01 TS 0.94 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.188504Jy sigma=0.001804 ! Fit after self-cal, rms=0.167328Jy sigma=0.001379 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6025 mas, bmaj=1.728 mas, bpa=-6.277 degrees ! Estimated noise=514.793 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 = -0.0104859 Jy ! Component: 100 - total flux cleaned = -0.00974598 Jy ! Component: 150 - total flux cleaned = -0.00932273 Jy ! Component: 200 - total flux cleaned = -0.0089562 Jy ! Total flux subtracted in 200 components = -0.0089562 Jy ! Clean residual min=-0.005462 max=0.006043 Jy/beam ! Clean residual mean=-0.000530 rms=0.001242 Jy/beam ! Combined flux in latest and established models = 0.985213 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 45 components and 0.985213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166436Jy sigma=0.001370 ! Fit after self-cal, rms=0.166497Jy sigma=0.001370 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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=0.166497Jy sigma=0.001370 ! Fit after self-cal, rms=0.164086Jy sigma=0.001350 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6037 mas, bmaj=1.727 mas, bpa=-6.274 degrees ! Estimated noise=513.252 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00446121 Jy ! Component: 100 - total flux cleaned = -0.004613 Jy ! Component: 150 - total flux cleaned = -0.00472082 Jy ! Component: 200 - total flux cleaned = -0.00471601 Jy ! Total flux subtracted in 200 components = -0.00471601 Jy ! Clean residual min=-0.004494 max=0.004460 Jy/beam ! Clean residual mean=-0.000301 rms=0.000951 Jy/beam ! Combined flux in latest and established models = 0.980497 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 51 components and 0.980497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163843Jy sigma=0.001347 ! Fit after self-cal, rms=0.163825Jy sigma=0.001347 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 (2.8, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00444905 Jy ! Component: 100 - total flux cleaned = 0.00511484 Jy ! Component: 150 - total flux cleaned = 0.00520511 Jy ! Component: 200 - total flux cleaned = 0.00528046 Jy ! Total flux subtracted in 200 components = 0.00528046 Jy ! Clean residual min=-0.004312 max=0.003729 Jy/beam ! Clean residual mean=-0.000334 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.985777 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 77 components and 0.985777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163683Jy sigma=0.001346 ! Fit after self-cal, rms=0.163671Jy sigma=0.001346 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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=0.163671Jy sigma=0.001346 ! Fit after self-cal, rms=0.163241Jy sigma=0.001344 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6045 mas, bmaj=1.728 mas, bpa=-6.32 degrees ! Estimated noise=512.513 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00187919 Jy ! Component: 100 - total flux cleaned = -0.00152046 Jy ! Component: 150 - total flux cleaned = -0.00130392 Jy ! Component: 200 - total flux cleaned = -0.00104777 Jy ! Total flux subtracted in 200 components = -0.00104777 Jy ! Clean residual min=-0.003717 max=0.003621 Jy/beam ! Clean residual mean=-0.000189 rms=0.000828 Jy/beam ! Combined flux in latest and established models = 0.984729 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 82 components and 0.984729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163148Jy sigma=0.001343 ! Fit after self-cal, rms=0.163138Jy sigma=0.001343 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 = 0.000440396 Jy ! Component: 100 - total flux cleaned = 0.000664385 Jy ! Component: 150 - total flux cleaned = 0.000764865 Jy ! Component: 200 - total flux cleaned = 0.000856193 Jy ! Total flux subtracted in 200 components = 0.000856193 Jy ! Clean residual min=-0.003652 max=0.003612 Jy/beam ! Clean residual mean=-0.000194 rms=0.000817 Jy/beam ! Combined flux in latest and established models = 0.985586 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 86 components and 0.985586 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163104Jy sigma=0.001343 ! Fit after self-cal, rms=0.163102Jy sigma=0.001343 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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=0.163102Jy sigma=0.001343 ! Fit after self-cal, rms=0.162936Jy sigma=0.001342 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=2.378 mas, bmaj=2.911 mas, bpa=0.5925 degrees ! Estimated noise=694.265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000240797 Jy ! Component: 100 - total flux cleaned = 3.22428e-05 Jy ! Component: 150 - total flux cleaned = 3.05766e-05 Jy ! Component: 200 - total flux cleaned = 3.03905e-05 Jy ! Total flux subtracted in 200 components = 3.03905e-05 Jy ! Clean residual min=-0.004050 max=0.006682 Jy/beam ! Clean residual mean=-0.000327 rms=0.001351 Jy/beam ! Combined flux in latest and established models = 0.985616 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.985616 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162928Jy sigma=0.001343 ! Fit after self-cal, rms=0.162917Jy sigma=0.001342 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 (7.8, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00629804 Jy ! Component: 100 - total flux cleaned = 0.009626 Jy ! Component: 150 - total flux cleaned = 0.0110564 Jy ! Component: 200 - total flux cleaned = 0.0115974 Jy ! Total flux subtracted in 200 components = 0.0115974 Jy ! Clean residual min=-0.003957 max=0.002369 Jy/beam ! Clean residual mean=-0.000529 rms=0.000914 Jy/beam ! Combined flux in latest and established models = 0.997213 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 129 components and 0.997213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162818Jy sigma=0.001341 ! Fit after self-cal, rms=0.162808Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6051 mas, bmaj=1.729 mas, bpa=-6.345 degrees ! Estimated noise=512.004 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6051 x 1.729 at -6.345 degrees (North through East) ! Clean map min=-0.0025861 max=0.88609 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=0.162808Jy sigma=0.001341 ! Fit after self-cal, rms=0.152558Jy sigma=0.001224 ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6051 mas, bmaj=1.729 mas, bpa=-6.345 degrees ! Estimated noise=511.293 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000618464 Jy ! Component: 100 - total flux cleaned = 0.000625449 Jy ! Component: 150 - total flux cleaned = 0.000629498 Jy ! Component: 200 - total flux cleaned = 0.000564191 Jy ! Total flux subtracted in 200 components = 0.000564191 Jy ! Clean residual min=-0.003059 max=0.002467 Jy/beam ! Clean residual mean=-0.000120 rms=0.000649 Jy/beam ! Combined flux in latest and established models = 0.997777 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 161 components and 0.997777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152490Jy sigma=0.001224 ! Fit after self-cal, rms=0.152488Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000216885 Jy ! Component: 100 - total flux cleaned = 0.000216818 Jy ! Component: 150 - total flux cleaned = 0.00021507 Jy ! Component: 200 - total flux cleaned = 0.000101842 Jy ! Total flux subtracted in 200 components = 0.000101842 Jy ! Clean residual min=-0.002953 max=0.002457 Jy/beam ! Clean residual mean=-0.000121 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.997879 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 179 components and 0.997879 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152451Jy sigma=0.001223 ! Fit after self-cal, rms=0.152450Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152450Jy sigma=0.001223 ! Fit after self-cal, rms=0.152416Jy sigma=0.001223 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.5393 mas, bmaj=1.579 mas, bpa=-5.628 degrees ! Estimated noise=768.975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.685242 Jy ! Component: 100 - total flux cleaned = 0.83654 Jy ! Component: 150 - total flux cleaned = 0.889712 Jy ! Component: 200 - total flux cleaned = 0.916512 Jy ! Total flux subtracted in 200 components = 0.916512 Jy ! Clean residual min=-0.005663 max=0.012779 Jy/beam ! Clean residual mean=0.000057 rms=0.001458 Jy/beam ! Combined flux in latest and established models = 0.916512 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 0.916512 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6053 mas, bmaj=1.73 mas, bpa=-6.354 degrees ! Estimated noise=511.08 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 = 0.0231099 Jy ! Component: 100 - total flux cleaned = 0.035775 Jy ! Component: 150 - total flux cleaned = 0.0440405 Jy ! Component: 200 - total flux cleaned = 0.0502708 Jy ! Total flux subtracted in 200 components = 0.0502708 Jy ! Clean residual min=-0.003674 max=0.003784 Jy/beam ! Clean residual mean=0.000089 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.966783 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 48 components and 0.966783 Jy ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 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 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=2.379 mas, bmaj=2.912 mas, bpa=0.4829 degrees ! Estimated noise=692.568 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100578 Jy ! Component: 100 - total flux cleaned = 0.0163235 Jy ! Component: 150 - total flux cleaned = 0.0206755 Jy ! Component: 200 - total flux cleaned = 0.0234566 Jy ! Total flux subtracted in 200 components = 0.0234566 Jy ! Clean residual min=-0.003579 max=0.003063 Jy/beam ! Clean residual mean=-0.000145 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 0.990239 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 = 0.00179547 Jy ! Component: 100 - total flux cleaned = 0.0031002 Jy ! Component: 150 - total flux cleaned = 0.0041187 Jy ! Component: 200 - total flux cleaned = 0.00498046 Jy ! Total flux subtracted in 200 components = 0.00498046 Jy ! Clean residual min=-0.003387 max=0.002732 Jy/beam ! Clean residual mean=-0.000228 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.99522 Jy ! Adding 117 model components to the UV plane model. ! The established model now contains 153 components and 0.99522 Jy ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! Estimated beam: bmin=0.6053 mas, bmaj=1.73 mas, bpa=-6.354 degrees ! Estimated noise=511.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00069641 Jy ! Component: 100 - total flux cleaned = 0.0010651 Jy ! Component: 150 - total flux cleaned = 0.00140538 Jy ! Component: 200 - total flux cleaned = 0.00172308 Jy ! Total flux subtracted in 200 components = 0.00172308 Jy ! Clean residual min=-0.002910 max=0.002416 Jy/beam ! Clean residual mean=-0.000095 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.996943 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 183 components and 0.996943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152571Jy sigma=0.001225 ! Fit after self-cal, rms=0.152541Jy sigma=0.001224 wmodel J2147+0929_X_2009_04_21_pus_map.mod ! Writing 183 model components to file: J2147+0929_X_2009_04_21_pus_map.mod wobs J2147+0929_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2147+0929_X_2009_04_21_pus_uvs.fits wwins J2147+0929_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J2147+0929_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00112574 Jy ! Component: 100 - total flux cleaned = -0.0019591 Jy ! Component: 150 - total flux cleaned = -0.00262359 Jy ! Component: 200 - total flux cleaned = -0.0033504 Jy ! Component: 250 - total flux cleaned = -0.00368188 Jy ! Component: 300 - total flux cleaned = -0.00412621 Jy ! Component: 350 - total flux cleaned = -0.0045604 Jy ! Component: 400 - total flux cleaned = -0.00486987 Jy ! Component: 450 - total flux cleaned = -0.0052869 Jy ! Component: 500 - total flux cleaned = -0.00558444 Jy ! Component: 550 - total flux cleaned = -0.00580458 Jy ! Component: 600 - total flux cleaned = -0.0060935 Jy ! Component: 650 - total flux cleaned = -0.00634229 Jy ! Component: 700 - total flux cleaned = -0.0065528 Jy ! Component: 750 - total flux cleaned = -0.00682922 Jy ! Component: 800 - total flux cleaned = -0.00693106 Jy ! Component: 850 - total flux cleaned = -0.00709959 Jy ! Component: 900 - total flux cleaned = -0.00726623 Jy ! Component: 950 - total flux cleaned = -0.00736515 Jy ! Component: 1000 - total flux cleaned = -0.00749592 Jy ! Component: 1050 - total flux cleaned = -0.00769006 Jy ! Component: 1100 - total flux cleaned = -0.00775436 Jy ! Component: 1150 - total flux cleaned = -0.00794491 Jy ! Component: 1200 - total flux cleaned = -0.00800767 Jy ! Component: 1250 - total flux cleaned = -0.00803909 Jy ! Component: 1300 - total flux cleaned = -0.00825585 Jy ! Component: 1350 - total flux cleaned = -0.00831719 Jy ! Component: 1400 - total flux cleaned = -0.00840821 Jy ! Component: 1450 - total flux cleaned = -0.00849865 Jy ! Component: 1500 - total flux cleaned = -0.00858833 Jy ! Component: 1550 - total flux cleaned = -0.0086777 Jy ! Component: 1600 - total flux cleaned = -0.0087366 Jy ! Component: 1650 - total flux cleaned = -0.00885373 Jy ! Component: 1700 - total flux cleaned = -0.00894098 Jy ! Component: 1750 - total flux cleaned = -0.00899862 Jy ! Component: 1800 - total flux cleaned = -0.00911346 Jy ! Component: 1850 - total flux cleaned = -0.00914197 Jy ! Component: 1900 - total flux cleaned = -0.00917031 Jy ! Component: 1950 - total flux cleaned = -0.00925457 Jy ! Component: 2000 - total flux cleaned = -0.00931062 Jy ! Total flux subtracted in 2048 components = -0.00936632 Jy ! Clean residual min=-0.001588 max=0.001385 Jy/beam ! Clean residual mean=-0.000033 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.987577 Jy keep ! Adding 154 model components to the UV plane model. ! The established model now contains 337 components and 0.987577 Jy ![Exited script file: muppet] wmap "J2147+0929_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6053 x 1.73 at -6.354 degrees (North through East) ! Clean map min=-0.0022209 max=0.88577 Jy/beam ! Writing clean map to FITS file: J2147+0929_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.885765 invert ! Inverting map ! Your choice of large map pixels excluded 4.34% of the data. ! The x-axis pixel size should ideally be below 0.1564 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000506489 device "J2147+0929_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2147+0929_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.171543 0.171543 0.343086 0.686172 1.37234 2.74469 5.48937 10.9787 21.9575 43.915 87.83 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.885 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6053 x 1.73 at -6.354 degrees (North through East) ! Clean map min=-0.0022209 max=0.88577 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2147+0929_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2147+0929_X_2009_04_21_pus_map.gif/vgif' mapplot cln