! Started logfile: J0808+4950_X_2011_06_28_pus_uvs.log on Sat Apr 21 13:00:01 2012 obs J0808+4950_X_2011_06_28_pus_uva.fits ! Reading UV FITS file: J0808+4950_X_2011_06_28_pus_uva.fits ! AN table 1: 31 integrations on 153 of 153 possible baselines. ! AN table 2: 48 integrations on 153 of 153 possible baselines. ! AN table 3: 145 integrations on 153 of 153 possible baselines. ! AN table 4: 120 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.249658 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0808+4950 ! ! 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 5249 lines of history. ! ! Reading 52560 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 J0808+4950_X_2011_06_28_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 558 telescope corrections were flagged in sub-array 1. ! A total of 722 telescope corrections were flagged in sub-array 2. ! A total of 1150 telescope corrections were flagged in sub-array 3. ! A total of 1107 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 558 telescope corrections were flagged in sub-array 1. ! A total of 722 telescope corrections were flagged in sub-array 2. ! A total of 1150 telescope corrections were flagged in sub-array 3. ! A total of 1107 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 558 telescope corrections were flagged in sub-array 1. ! A total of 722 telescope corrections were flagged in sub-array 2. ! A total of 1150 telescope corrections were flagged in sub-array 3. ! A total of 1078 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 558 telescope corrections were flagged in sub-array 1. ! A total of 722 telescope corrections were flagged in sub-array 2. ! A total of 1150 telescope corrections were flagged in sub-array 3. ! A total of 1107 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.748264Jy sigma=0.007072 ! Fit after self-cal, rms=0.695975Jy sigma=0.006687 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.5413 mas, bmaj=0.6654 mas, bpa=29.86 degrees ! Estimated noise=637.689 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 = 0.253509 Jy ! Component: 100 - total flux cleaned = 0.310158 Jy ! Total flux subtracted in 100 components = 0.310158 Jy ! Clean residual min=-0.007084 max=0.020080 Jy/beam ! Clean residual mean=0.000019 rms=0.002035 Jy/beam ! Combined flux in latest and established models = 0.310158 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.310158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181469Jy sigma=0.001433 ! Fit after self-cal, rms=0.181465Jy sigma=0.001433 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0231973 Jy ! Component: 100 - total flux cleaned = 0.0379948 Jy ! Total flux subtracted in 100 components = 0.0379948 Jy ! Clean residual min=-0.006544 max=0.010558 Jy/beam ! Clean residual mean=0.000012 rms=0.001618 Jy/beam ! Combined flux in latest and established models = 0.348152 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.348152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178093Jy sigma=0.001373 ! Fit after self-cal, rms=0.178082Jy sigma=0.001373 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (1.2, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115408 Jy ! Component: 100 - total flux cleaned = 0.0201923 Jy ! Total flux subtracted in 100 components = 0.0201923 Jy ! Clean residual min=-0.006017 max=0.009126 Jy/beam ! Clean residual mean=0.000008 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 0.368345 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.368345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177061Jy sigma=0.001356 ! Fit after self-cal, rms=0.177037Jy sigma=0.001355 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (1, -1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00903846 Jy ! Component: 100 - total flux cleaned = 0.0154348 Jy ! Total flux subtracted in 100 components = 0.0154348 Jy ! Clean residual min=-0.005894 max=0.007099 Jy/beam ! Clean residual mean=0.000004 rms=0.001421 Jy/beam ! Combined flux in latest and established models = 0.38378 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 30 components and 0.38378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176506Jy sigma=0.001347 ! Fit after self-cal, rms=0.176477Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6117 mas, bmaj=0.7974 mas, bpa=40.96 degrees ! Estimated noise=338.754 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, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00886849 Jy ! Component: 100 - total flux cleaned = 0.0146881 Jy ! Component: 150 - total flux cleaned = 0.0189 Jy ! Component: 200 - total flux cleaned = 0.0221137 Jy ! Total flux subtracted in 200 components = 0.0221137 Jy ! Clean residual min=-0.003629 max=0.004605 Jy/beam ! Clean residual mean=0.000121 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 0.405893 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 46 components and 0.405893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175972Jy sigma=0.001339 ! Fit after self-cal, rms=0.175945Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* FT 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* SH 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.97 FT 1.00* HH 1.00* ! HN 0.90 KK 1.00* KP 0.96 MC 1.00* ! MK 1.00* NL 1.02 NY 1.00* OV 0.99 ! PT 0.96 SC 1.11 SH 1.00* TS 1.08 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.01 FT 1.00* HH 1.00* ! HN 1.02 KK 0.97 KP 1.01 MC 1.04 ! MK 1.03 NL 0.99 NY 1.06 OV 0.98 ! PT 0.98 SC 1.00* SH 6.49 TS 0.96 ! WF 1.03 WZ 1.00 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 0.99 FT 1.00* HH 1.00* ! HN 0.99 KK 0.96 KP 1.01 MC 1.00* ! MK 1.02 NL 1.01 NY 1.02 OV 0.98 ! PT 0.97 SC 1.02 SH 1.00* TS 0.93 ! WF 1.00 WZ 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* FT 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* SH 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.96 FT 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 0.94 MC 1.00* ! MK 1.00* NL 1.03 NY 1.00* OV 1.04 ! PT 0.94 SC 1.09 SH 1.00* TS 1.16 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 FT 1.00* HH 1.00* ! HN 1.06 KK 0.93 KP 0.99 MC 1.04 ! MK 1.00 NL 1.03 NY 0.99 OV 1.00 ! PT 0.99 SC 1.00* SH 5.44 TS 0.96 ! WF 0.99 WZ 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.96 FT 1.00* HH 1.00* ! HN 1.02 KK 0.94 KP 0.98 MC 1.00* ! MK 0.99 NL 1.05 NY 0.99 OV 0.99 ! PT 0.99 SC 1.06 SH 1.00* TS 0.93 ! WF 1.00 WZ 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* FT 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* SH 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 FT 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 0.92 MC 1.00* ! MK 1.00* NL 0.92 NY 1.00* OV 1.00 ! PT 0.94 SC 1.06 SH 1.00* TS 1.09 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.01 FT 1.00* HH 1.00* ! HN 1.01 KK 1.00 KP 0.98 MC 1.04 ! MK 0.97 NL 0.96 NY 1.01 OV 0.98 ! PT 0.97 SC 1.00* SH 6.49 TS 0.97 ! WF 0.99 WZ 0.99 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.98 FT 1.00* HH 1.00* ! HN 0.97 KK 0.98 KP 0.99 MC 1.00* ! MK 0.97 NL 0.99 NY 0.99 OV 0.97 ! PT 0.96 SC 1.04 SH 9.34 TS 0.93 ! WF 0.99 WZ 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* FT 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* SH 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 FT 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.96 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* OV 0.99 ! PT 0.96 SC 1.09 SH 1.00* TS 1.03 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.02 FT 1.00* HH 1.00* ! HN 1.03 KK 0.99 KP 0.96 MC 0.99 ! MK 1.00 NL 0.98 NY 0.99 OV 1.01 ! PT 1.00 SC 1.00* SH 5.00 TS 0.97 ! WF 0.98 WZ 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.99 FT 1.00* HH 1.00* ! HN 0.99 KK 0.96 KP 0.95 MC 1.00* ! MK 1.01 NL 1.01 NY 0.95 OV 1.02 ! PT 0.98 SC 1.05 SH 1.00* TS 0.95 ! WF 0.99 WZ 1.09 ! ! ! Fit before self-cal, rms=0.175945Jy sigma=0.001339 ! Fit after self-cal, rms=0.222302Jy sigma=0.001318 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6165 mas, bmaj=0.8017 mas, bpa=40.97 degrees ! Estimated noise=337.997 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 = 0.000701356 Jy ! Component: 100 - total flux cleaned = 0.00135472 Jy ! Component: 150 - total flux cleaned = 0.00162639 Jy ! Component: 200 - total flux cleaned = 0.00186619 Jy ! Total flux subtracted in 200 components = 0.00186619 Jy ! Clean residual min=-0.001991 max=0.002549 Jy/beam ! Clean residual mean=0.000172 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.40776 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 0.40776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222245Jy sigma=0.001317 ! Fit after self-cal, rms=0.222550Jy sigma=0.001317 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 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=0.222550Jy sigma=0.001317 ! Fit after self-cal, rms=0.225277Jy sigma=0.001316 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6176 mas, bmaj=0.8016 mas, bpa=41.09 degrees ! Estimated noise=337.452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000324027 Jy ! Component: 100 - total flux cleaned = -0.000146597 Jy ! Component: 150 - total flux cleaned = 6.12822e-05 Jy ! Component: 200 - total flux cleaned = 0.000198857 Jy ! Total flux subtracted in 200 components = 0.000198857 Jy ! Clean residual min=-0.001897 max=0.002614 Jy/beam ! Clean residual mean=0.000162 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.407958 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.407958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225251Jy sigma=0.001316 ! Fit after self-cal, rms=0.225268Jy sigma=0.001316 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.4, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201161 Jy ! Component: 100 - total flux cleaned = 0.00236347 Jy ! Component: 150 - total flux cleaned = 0.00249205 Jy ! Component: 200 - total flux cleaned = 0.00264963 Jy ! Total flux subtracted in 200 components = 0.00264963 Jy ! Clean residual min=-0.001954 max=0.002249 Jy/beam ! Clean residual mean=0.000141 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.410608 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 79 components and 0.410608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225244Jy sigma=0.001315 ! Fit after self-cal, rms=0.225245Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (-15.6, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197657 Jy ! Component: 100 - total flux cleaned = 0.0024617 Jy ! Component: 150 - total flux cleaned = 0.00258368 Jy ! Component: 200 - total flux cleaned = 0.00262253 Jy ! Total flux subtracted in 200 components = 0.00262253 Jy ! Clean residual min=-0.001966 max=0.002122 Jy/beam ! Clean residual mean=0.000123 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.413231 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 93 components and 0.413231 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225211Jy sigma=0.001315 ! Fit after self-cal, rms=0.225216Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 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=0.225216Jy sigma=0.001315 ! Fit after self-cal, rms=0.225697Jy sigma=0.001315 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6189 mas, bmaj=0.8007 mas, bpa=41.2 degrees ! Estimated noise=337.102 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232211 Jy ! Component: 100 - total flux cleaned = 0.000264499 Jy ! Component: 150 - total flux cleaned = 0.000412643 Jy ! Component: 200 - total flux cleaned = 0.000481959 Jy ! Total flux subtracted in 200 components = 0.000481959 Jy ! Clean residual min=-0.001905 max=0.002041 Jy/beam ! Clean residual mean=0.000113 rms=0.000486 Jy/beam ! Combined flux in latest and established models = 0.413713 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 95 components and 0.413713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225683Jy sigma=0.001315 ! Fit after self-cal, rms=0.225695Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 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 = 0.000252207 Jy ! Component: 100 - total flux cleaned = 0.000284232 Jy ! Component: 150 - total flux cleaned = 0.000315795 Jy ! Component: 200 - total flux cleaned = 0.000345506 Jy ! Total flux subtracted in 200 components = 0.000345506 Jy ! Clean residual min=-0.001884 max=0.002015 Jy/beam ! Clean residual mean=0.000111 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.414058 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 100 components and 0.414058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225686Jy sigma=0.001314 ! Fit after self-cal, rms=0.225690Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 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=0.225690Jy sigma=0.001314 ! Fit after self-cal, rms=0.225832Jy sigma=0.001314 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=2.168 mas, bmaj=2.732 mas, bpa=83.32 degrees ! Estimated noise=501.127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013255 Jy ! Component: 100 - total flux cleaned = 0.00195756 Jy ! Component: 150 - total flux cleaned = 0.00221289 Jy ! Component: 200 - total flux cleaned = 0.00229148 Jy ! Total flux subtracted in 200 components = 0.00229148 Jy ! Clean residual min=-0.002364 max=0.002858 Jy/beam ! Clean residual mean=0.000323 rms=0.000727 Jy/beam ! Combined flux in latest and established models = 0.41635 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 111 components and 0.41635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225832Jy sigma=0.001314 ! Fit after self-cal, rms=0.225837Jy sigma=0.001314 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 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 = 0.000361328 Jy ! Component: 100 - total flux cleaned = 0.000410883 Jy ! Component: 150 - total flux cleaned = 0.000456145 Jy ! Component: 200 - total flux cleaned = 0.000497864 Jy ! Total flux subtracted in 200 components = 0.000497864 Jy ! Clean residual min=-0.002380 max=0.002820 Jy/beam ! Clean residual mean=0.000311 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 0.416847 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 112 components and 0.416847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225837Jy sigma=0.001314 ! Fit after self-cal, rms=0.225839Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6196 mas, bmaj=0.8006 mas, bpa=41.28 degrees ! Estimated noise=336.82 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6196 x 0.8006 at 41.28 degrees (North through East) ! Clean map min=-0.0015352 max=0.32798 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 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.5475 mas, bmaj=0.6728 mas, bpa=30.3 degrees ! Estimated noise=639.113 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.253687 Jy ! Component: 100 - total flux cleaned = 0.309367 Jy ! Component: 150 - total flux cleaned = 0.329055 Jy ! Component: 200 - total flux cleaned = 0.342326 Jy ! Total flux subtracted in 200 components = 0.342326 Jy ! Clean residual min=-0.004268 max=0.008536 Jy/beam ! Clean residual mean=0.000021 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 0.342326 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.342326 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.6196 mas, bmaj=0.8006 mas, bpa=41.28 degrees ! Estimated noise=336.82 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 = 0.0166039 Jy ! Component: 100 - total flux cleaned = 0.0283391 Jy ! Component: 150 - total flux cleaned = 0.0370076 Jy ! Component: 200 - total flux cleaned = 0.0435386 Jy ! Total flux subtracted in 200 components = 0.0435386 Jy ! Clean residual min=-0.002236 max=0.004592 Jy/beam ! Clean residual mean=0.000322 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 0.385864 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 60 components and 0.385864 Jy ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (0.4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00517968 Jy ! Component: 100 - total flux cleaned = 0.00917716 Jy ! Component: 150 - total flux cleaned = 0.0124701 Jy ! Component: 200 - total flux cleaned = 0.0152376 Jy ! Total flux subtracted in 200 components = 0.0152376 Jy ! Clean residual min=-0.001895 max=0.002434 Jy/beam ! Clean residual mean=0.000205 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.401102 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 84 components and 0.401102 Jy ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (1.4, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00257179 Jy ! Component: 100 - total flux cleaned = 0.00463011 Jy ! Component: 150 - total flux cleaned = 0.00640556 Jy ! Component: 200 - total flux cleaned = 0.00794806 Jy ! Total flux subtracted in 200 components = 0.00794806 Jy ! Clean residual min=-0.001716 max=0.002100 Jy/beam ! Clean residual mean=0.000145 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.40905 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 103 components and 0.40905 Jy ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (-20.4, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00167955 Jy ! Component: 100 - total flux cleaned = 0.0025301 Jy ! Component: 150 - total flux cleaned = 0.00330409 Jy ! Component: 200 - total flux cleaned = 0.00401689 Jy ! Total flux subtracted in 200 components = 0.00401689 Jy ! Clean residual min=-0.001658 max=0.002007 Jy/beam ! Clean residual mean=0.000115 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.413067 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 116 components and 0.413067 Jy ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Added new window around map position (-25.4, -21.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121392 Jy ! Component: 100 - total flux cleaned = 0.0017569 Jy ! Component: 150 - total flux cleaned = 0.00225065 Jy ! Component: 200 - total flux cleaned = 0.00259884 Jy ! Total flux subtracted in 200 components = 0.00259884 Jy ! Clean residual min=-0.001661 max=0.001788 Jy/beam ! Clean residual mean=0.000098 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.415666 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 130 components and 0.415666 Jy ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! Estimated beam: bmin=0.5781 mas, bmaj=0.7661 mas, bpa=44.4 degrees ! Estimated noise=791.832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00195856 Jy ! Component: 100 - total flux cleaned = 0.00317423 Jy ! Component: 150 - total flux cleaned = 0.00410706 Jy ! Component: 200 - total flux cleaned = 0.00454088 Jy ! Total flux subtracted in 200 components = 0.00454088 Jy ! Clean residual min=-0.002998 max=0.003191 Jy/beam ! Clean residual mean=0.000102 rms=0.000708 Jy/beam ! Combined flux in latest and established models = 0.420207 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00034106 Jy ! Component: 100 - total flux cleaned = 0.000537513 Jy ! Component: 150 - total flux cleaned = 0.000665495 Jy ! Component: 200 - total flux cleaned = 0.000851195 Jy ! Total flux subtracted in 200 components = 0.000851195 Jy ! Clean residual min=-0.002992 max=0.003178 Jy/beam ! Clean residual mean=0.000092 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.421058 Jy selfcal ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 161 components and 0.421058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225755Jy sigma=0.001314 ! Fit after self-cal, rms=0.225707Jy sigma=0.001314 wmodel J0808+4950_X_2011_06_28_pus_map.mod ! Writing 161 model components to file: J0808+4950_X_2011_06_28_pus_map.mod wobs J0808+4950_X_2011_06_28_pus_uvs.fits ! Writing UV FITS file: J0808+4950_X_2011_06_28_pus_uvs.fits wwins J0808+4950_X_2011_06_28_pus_map.win ! wwins: Wrote 10 windows to J0808+4950_X_2011_06_28_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000914608 Jy ! Component: 100 - total flux cleaned = 0.00179503 Jy ! Component: 150 - total flux cleaned = 0.0024929 Jy ! Component: 200 - total flux cleaned = 0.00307202 Jy ! Component: 250 - total flux cleaned = 0.00349484 Jy ! Component: 300 - total flux cleaned = 0.00381572 Jy ! Component: 350 - total flux cleaned = 0.00417492 Jy ! Component: 400 - total flux cleaned = 0.00448358 Jy ! Component: 450 - total flux cleaned = 0.00478772 Jy ! Component: 500 - total flux cleaned = 0.00508764 Jy ! Component: 550 - total flux cleaned = 0.00521497 Jy ! Component: 600 - total flux cleaned = 0.00542508 Jy ! Component: 650 - total flux cleaned = 0.00567345 Jy ! Component: 700 - total flux cleaned = 0.00583694 Jy ! Component: 750 - total flux cleaned = 0.00603912 Jy ! Component: 800 - total flux cleaned = 0.00611909 Jy ! Component: 850 - total flux cleaned = 0.00631732 Jy ! Component: 900 - total flux cleaned = 0.00639589 Jy ! Component: 950 - total flux cleaned = 0.0065517 Jy ! Component: 1000 - total flux cleaned = 0.00662913 Jy ! Component: 1050 - total flux cleaned = 0.00682087 Jy ! Component: 1100 - total flux cleaned = 0.00689709 Jy ! Component: 1150 - total flux cleaned = 0.00697286 Jy ! Component: 1200 - total flux cleaned = 0.00712283 Jy ! Component: 1250 - total flux cleaned = 0.00719729 Jy ! Component: 1300 - total flux cleaned = 0.00727133 Jy ! Component: 1350 - total flux cleaned = 0.00734479 Jy ! Component: 1400 - total flux cleaned = 0.00741774 Jy ! Component: 1450 - total flux cleaned = 0.0074904 Jy ! Component: 1500 - total flux cleaned = 0.00756249 Jy ! Component: 1550 - total flux cleaned = 0.00767009 Jy ! Component: 1600 - total flux cleaned = 0.00763444 Jy ! Component: 1650 - total flux cleaned = 0.00774085 Jy ! Component: 1700 - total flux cleaned = 0.00774096 Jy ! Component: 1750 - total flux cleaned = 0.00784661 Jy ! Component: 1800 - total flux cleaned = 0.00788149 Jy ! Component: 1850 - total flux cleaned = 0.0079162 Jy ! Component: 1900 - total flux cleaned = 0.00798548 Jy ! Component: 1950 - total flux cleaned = 0.0080197 Jy ! Component: 2000 - total flux cleaned = 0.00805404 Jy ! Total flux subtracted in 2048 components = 0.00805408 Jy ! Clean residual min=-0.001968 max=0.002069 Jy/beam ! Clean residual mean=0.000023 rms=0.000592 Jy/beam ! Combined flux in latest and established models = 0.429112 Jy keep ! Adding 190 model components to the UV plane model. ! The established model now contains 351 components and 0.429112 Jy ![Exited script file: muppet] wmap "J0808+4950_X_2011_06_28_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5781 x 0.7661 at 44.4 degrees (North through East) ! Clean map min=-0.0020357 max=0.32657 Jy/beam ! Writing clean map to FITS file: J0808+4950_X_2011_06_28_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.326573 invert ! Inverting map ! Your choice of large map pixels excluded 3.18% of the data. ! The x-axis pixel size should ideally be below 0.1507 milli-arcsec ! The y-axis pixel size should ideally be below 0.1809 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000591733 device "J0808+4950_X_2011_06_28_pus\_map.eps/VPS" ! Attempting to open device: 'J0808+4950_X_2011_06_28_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.543583 0.543583 1.08717 2.17433 4.34867 8.69733 17.3947 34.7893 69.5787 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.326 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5781 x 0.7661 at 44.4 degrees (North through East) ! Clean map min=-0.0020357 max=0.32657 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0808+4950_X_2011_06_28_pus\_map.gif/vgif" ! Attempting to open device: 'J0808+4950_X_2011_06_28_pus_map.gif/vgif' mapplot cln