! Started logfile: J0251+4315_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:15:53 2010 obs J0251+4315_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0251+4315_X_2007_12_05_pus_uva.fits ! AN table 1: 274 integrations on 136 of 136 possible baselines. ! AN table 2: 263 integrations on 136 of 136 possible baselines. ! AN table 3: 29 integrations on 136 of 136 possible baselines. ! AN table 4: 121 integrations on 136 of 136 possible baselines. ! AN table 5: 59 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0854952 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0251+4315 ! ! 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 34696 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 3627 telescope corrections were flagged in sub-array 1. ! A total of 2758 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 1946 telescope corrections were flagged in sub-array 4. ! A total of 738 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 3627 telescope corrections were flagged in sub-array 1. ! A total of 2758 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 1946 telescope corrections were flagged in sub-array 4. ! A total of 738 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 3627 telescope corrections were flagged in sub-array 1. ! A total of 2758 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 1946 telescope corrections were flagged in sub-array 4. ! A total of 738 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 3732 telescope corrections were flagged in sub-array 1. ! A total of 2817 telescope corrections were flagged in sub-array 2. ! A total of 457 telescope corrections were flagged in sub-array 3. ! A total of 1964 telescope corrections were flagged in sub-array 4. ! A total of 738 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.799322Jy sigma=0.006801 ! Fit after self-cal, rms=0.713965Jy sigma=0.005931 ! 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 8.37% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.5745 mas, bmaj=0.9929 mas, bpa=-6.393 degrees ! Estimated noise=907.827 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 = 0.286845 Jy ! Component: 100 - total flux cleaned = 0.413923 Jy ! Total flux subtracted in 100 components = 0.413923 Jy ! Clean residual min=-0.031581 max=0.101351 Jy/beam ! Clean residual mean=0.000593 rms=0.008424 Jy/beam ! Combined flux in latest and established models = 0.413923 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.413923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286959Jy sigma=0.002135 ! Fit after self-cal, rms=0.284043Jy sigma=0.002124 ! Inverting map ! Your choice of large map pixels excluded 8.37% 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 0.166 milli-arcsec ! Added new window around map position (0.8, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0943655 Jy ! Component: 100 - total flux cleaned = 0.151699 Jy ! Total flux subtracted in 100 components = 0.151699 Jy ! Clean residual min=-0.021654 max=0.064058 Jy/beam ! Clean residual mean=0.000277 rms=0.005299 Jy/beam ! Combined flux in latest and established models = 0.565621 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 0.565621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249646Jy sigma=0.001595 ! Fit after self-cal, rms=0.246735Jy sigma=0.001571 ! Inverting map ! Your choice of large map pixels excluded 8.37% 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 0.166 milli-arcsec ! Added new window around map position (-0.8, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0527803 Jy ! Component: 100 - total flux cleaned = 0.0839771 Jy ! Total flux subtracted in 100 components = 0.0839771 Jy ! Clean residual min=-0.015969 max=0.026072 Jy/beam ! Clean residual mean=0.000101 rms=0.003537 Jy/beam ! Combined flux in latest and established models = 0.649599 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 33 components and 0.649599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236164Jy sigma=0.001391 ! Fit after self-cal, rms=0.235107Jy sigma=0.001385 ! Inverting map ! Your choice of large map pixels excluded 8.37% 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 0.166 milli-arcsec ! Added new window around map position (8.4, -11). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0277121 Jy ! Component: 100 - total flux cleaned = 0.0466512 Jy ! Total flux subtracted in 100 components = 0.0466512 Jy ! Clean residual min=-0.014156 max=0.015055 Jy/beam ! Clean residual mean=-0.000018 rms=0.003049 Jy/beam ! Combined flux in latest and established models = 0.69625 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 41 components and 0.69625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232450Jy sigma=0.001339 ! Fit after self-cal, rms=0.231776Jy sigma=0.001336 ! Inverting map ! Your choice of large map pixels excluded 8.37% 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 0.166 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 8.37% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6419 mas, bmaj=1.196 mas, bpa=-8.938 degrees ! Estimated noise=470.502 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 (1.6, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178828 Jy ! Component: 100 - total flux cleaned = 0.027945 Jy ! Component: 150 - total flux cleaned = 0.0301287 Jy ! Component: 200 - total flux cleaned = 0.0319801 Jy ! Total flux subtracted in 200 components = 0.0319801 Jy ! Clean residual min=-0.012841 max=0.010245 Jy/beam ! Clean residual mean=-0.002890 rms=0.002668 Jy/beam ! Combined flux in latest and established models = 0.72823 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 54 components and 0.72823 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230249Jy sigma=0.001316 ! Fit after self-cal, rms=0.229954Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 8.37% 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 0.166 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 234 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HH 0.97 HN 1.12 ! KB 0.99 KP 0.98 LA 0.97 MK 1.00* ! NL 1.08 NY 0.93 ON 1.02 OV 0.96 ! PT 0.96 SV 0.99 TS 1.03 WZ 1.02 ! ZC 1.15 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.98 HH 0.93 HN 0.94 ! KB 1.04 KP 0.98 LA 0.94 MK 1.00* ! NL 1.06 NY 0.96 ON 0.92 OV 0.99 ! PT 0.92 SV 1.14 TS 1.06 WZ 1.01 ! ZC 1.22 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.07 TS 0.87 WZ 0.94 ! ZC 1.03 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.91 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KP 0.99 LA 0.96 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 0.94 ! PT 0.91 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 234 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 1.12 HN 1.16 ! KB 0.97 KP 0.93 LA 0.95 MK 1.00* ! NL 1.05 NY 0.91 ON 0.96 OV 0.94 ! PT 1.01 SV 0.94 TS 1.08 WZ 1.05 ! ZC 1.11 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 HH 0.95 HN 1.13 ! KB 1.03 KP 0.93 LA 0.91 MK 1.00* ! NL 1.01 NY 1.03 ON 0.97 OV 0.97 ! PT 0.98 SV 1.10 TS 1.10 WZ 1.00 ! ZC 1.24 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.95 TS 0.90 WZ 1.04 ! ZC 1.14 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.97 FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KP 0.94 LA 0.95 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.92 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 234 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 0.94 HN 1.06 ! KB 0.92 KP 0.98 LA 1.00 MK 1.00* ! NL 1.08 NY 1.00 ON 0.95 OV 1.01 ! PT 1.05 SV 0.96 TS 1.17 WZ 1.01 ! ZC 1.10 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HH 0.95 HN 0.89 ! KB 1.00 KP 0.98 LA 0.96 MK 1.00* ! NL 1.03 NY 0.97 ON 0.93 OV 1.04 ! PT 1.00 SV 1.15 TS 1.11 WZ 0.96 ! ZC 0.98 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! A total of 63 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.03 TS 0.96 WZ 0.95 ! ZC 1.08 ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.96 FD 1.01 HH 1.00* HN 1.00* ! KB 1.00* KP 0.97 LA 0.95 MK 1.00* ! NL 1.07 NY 1.00* ON 1.00* OV 1.01 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 201 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 0.77 HN 1.13 ! KB 0.91 KP 0.99 LA 0.98 MK 1.00* ! NL 1.07 NY 0.92 ON 1.01 OV 0.99 ! PT 1.03 SV 1.00* TS 1.13 WZ 0.90 ! ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 HH 0.85 HN 0.90 ! KB 1.04 KP 0.98 LA 0.94 MK 1.00* ! NL 1.06 NY 0.97 ON 0.97 OV 1.04 ! PT 0.99 SV 1.07 TS 1.09 WZ 0.98 ! ZC 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! A total of 93 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! A total of 93 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.98 FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KP 1.02 LA 0.92 MK 1.00* ! NL 1.14 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.229954Jy sigma=0.001314 ! Fit after self-cal, rms=0.221712Jy sigma=0.001271 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6424 mas, bmaj=1.209 mas, bpa=-10.42 degrees ! Estimated noise=499.996 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 (7.4, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00925623 Jy ! Component: 100 - total flux cleaned = 0.00963344 Jy ! Component: 150 - total flux cleaned = 0.00964 Jy ! Component: 200 - total flux cleaned = 0.00937966 Jy ! Total flux subtracted in 200 components = 0.00937966 Jy ! Clean residual min=-0.010672 max=0.007372 Jy/beam ! Clean residual mean=-0.000566 rms=0.002079 Jy/beam ! Combined flux in latest and established models = 0.737609 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 72 components and 0.737609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220662Jy sigma=0.001259 ! Fit after self-cal, rms=0.220025Jy sigma=0.001258 ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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=0.220025Jy sigma=0.001258 ! Fit after self-cal, rms=0.221398Jy sigma=0.001244 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6407 mas, bmaj=1.202 mas, bpa=-10.29 degrees ! Estimated noise=498.241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296297 Jy ! Component: 100 - total flux cleaned = 0.00271758 Jy ! Component: 150 - total flux cleaned = 0.00272097 Jy ! Component: 200 - total flux cleaned = 0.00271624 Jy ! Total flux subtracted in 200 components = 0.00271624 Jy ! Clean residual min=-0.008136 max=0.007412 Jy/beam ! Clean residual mean=-0.000165 rms=0.001822 Jy/beam ! Combined flux in latest and established models = 0.740326 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 0.740326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220842Jy sigma=0.001239 ! Fit after self-cal, rms=0.221212Jy sigma=0.001238 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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 = 0.000216239 Jy ! Component: 100 - total flux cleaned = 0.000416993 Jy ! Component: 150 - total flux cleaned = 0.000593618 Jy ! Component: 200 - total flux cleaned = 0.000588893 Jy ! Total flux subtracted in 200 components = 0.000588893 Jy ! Clean residual min=-0.007651 max=0.007104 Jy/beam ! Clean residual mean=-0.000189 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 0.740915 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 86 components and 0.740914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220871Jy sigma=0.001235 ! Fit after self-cal, rms=0.220864Jy sigma=0.001234 ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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=0.220864Jy sigma=0.001234 ! Fit after self-cal, rms=0.217614Jy sigma=0.001234 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6401 mas, bmaj=1.195 mas, bpa=-10.45 degrees ! Estimated noise=496.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129462 Jy ! Component: 100 - total flux cleaned = 0.00146608 Jy ! Component: 150 - total flux cleaned = 0.00162483 Jy ! Component: 200 - total flux cleaned = 0.00177384 Jy ! Total flux subtracted in 200 components = 0.00177384 Jy ! Clean residual min=-0.007498 max=0.007210 Jy/beam ! Clean residual mean=-0.000114 rms=0.001641 Jy/beam ! Combined flux in latest and established models = 0.742688 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.742688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217328Jy sigma=0.001231 ! Fit after self-cal, rms=0.217315Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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 = 0.00016569 Jy ! Component: 100 - total flux cleaned = 0.000306526 Jy ! Component: 150 - total flux cleaned = 0.000446495 Jy ! Component: 200 - total flux cleaned = 0.000573124 Jy ! Total flux subtracted in 200 components = 0.000573125 Jy ! Clean residual min=-0.007385 max=0.007208 Jy/beam ! Clean residual mean=-0.000137 rms=0.001582 Jy/beam ! Combined flux in latest and established models = 0.743261 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 94 components and 0.743261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217107Jy sigma=0.001229 ! Fit after self-cal, rms=0.217093Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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=0.217093Jy sigma=0.001228 ! Fit after self-cal, rms=0.214601Jy sigma=0.001228 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=2.705 mas, bmaj=3.169 mas, bpa=-67.87 degrees ! Estimated noise=602.377 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00281918 Jy ! Component: 100 - total flux cleaned = 0.00337341 Jy ! Component: 150 - total flux cleaned = 0.00336948 Jy ! Component: 200 - total flux cleaned = 0.00342499 Jy ! Total flux subtracted in 200 components = 0.00342499 Jy ! Clean residual min=-0.003657 max=0.004985 Jy/beam ! Clean residual mean=-0.000449 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.746686 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 102 components and 0.746686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214649Jy sigma=0.001228 ! Fit after self-cal, rms=0.214559Jy sigma=0.001227 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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 = -0.000169582 Jy ! Component: 100 - total flux cleaned = 9.70727e-05 Jy ! Component: 150 - total flux cleaned = 0.000146197 Jy ! Component: 200 - total flux cleaned = 0.00010076 Jy ! Total flux subtracted in 200 components = 0.00010076 Jy ! Clean residual min=-0.003994 max=0.004823 Jy/beam ! Clean residual mean=-0.000457 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.746787 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 112 components and 0.746787 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214627Jy sigma=0.001227 ! Fit after self-cal, rms=0.214552Jy sigma=0.001227 ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Added new window around map position (4.2, -5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110678 Jy ! Component: 100 - total flux cleaned = 0.000852279 Jy ! Component: 150 - total flux cleaned = 0.000641062 Jy ! Component: 200 - total flux cleaned = 0.000457452 Jy ! Total flux subtracted in 200 components = 0.000457452 Jy ! Clean residual min=-0.003989 max=0.002696 Jy/beam ! Clean residual mean=-0.000497 rms=0.001022 Jy/beam ! Combined flux in latest and established models = 0.747245 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 132 components and 0.747245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214500Jy sigma=0.001226 ! Fit after self-cal, rms=0.214471Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6398 mas, bmaj=1.189 mas, bpa=-10.6 degrees ! Estimated noise=496.083 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6398 x 1.189 at -10.6 degrees (North through East) ! Clean map min=-0.01051 max=0.29209 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 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.5818 mas, bmaj=1.075 mas, bpa=-10.3 degrees ! Estimated noise=951.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.302638 Jy ! Component: 100 - total flux cleaned = 0.44271 Jy ! Component: 150 - total flux cleaned = 0.528186 Jy ! Component: 200 - total flux cleaned = 0.583673 Jy ! Total flux subtracted in 200 components = 0.583673 Jy ! Clean residual min=-0.016888 max=0.030718 Jy/beam ! Clean residual mean=0.000384 rms=0.004283 Jy/beam ! Combined flux in latest and established models = 0.583673 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.583673 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6398 mas, bmaj=1.189 mas, bpa=-10.6 degrees ! Estimated noise=496.083 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 = 0.0515248 Jy ! Component: 100 - total flux cleaned = 0.0856368 Jy ! Component: 150 - total flux cleaned = 0.109444 Jy ! Component: 200 - total flux cleaned = 0.126336 Jy ! Total flux subtracted in 200 components = 0.126336 Jy ! Clean residual min=-0.006416 max=0.009519 Jy/beam ! Clean residual mean=0.001250 rms=0.002011 Jy/beam ! Combined flux in latest and established models = 0.710009 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 60 components and 0.710009 Jy ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126603 Jy ! Component: 100 - total flux cleaned = 0.0208318 Jy ! Component: 150 - total flux cleaned = 0.0246343 Jy ! Component: 200 - total flux cleaned = 0.0264828 Jy ! Total flux subtracted in 200 components = 0.0264828 Jy ! Clean residual min=-0.006364 max=0.006186 Jy/beam ! Clean residual mean=0.000205 rms=0.001575 Jy/beam ! Combined flux in latest and established models = 0.736492 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 86 components and 0.736492 Jy ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 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 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=2.705 mas, bmaj=3.169 mas, bpa=-67.87 degrees ! Estimated noise=602.377 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00838418 Jy ! Component: 100 - total flux cleaned = 0.0117161 Jy ! Component: 150 - total flux cleaned = 0.0119952 Jy ! Component: 200 - total flux cleaned = 0.0118831 Jy ! Total flux subtracted in 200 components = 0.0118831 Jy ! Clean residual min=-0.003842 max=0.002852 Jy/beam ! Clean residual mean=-0.000597 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 0.748375 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 = -0.00010054 Jy ! Component: 100 - total flux cleaned = -0.00018873 Jy ! Component: 150 - total flux cleaned = -0.000261577 Jy ! Component: 200 - total flux cleaned = -0.000325441 Jy ! Total flux subtracted in 200 components = -0.000325441 Jy ! Clean residual min=-0.003888 max=0.002841 Jy/beam ! Clean residual mean=-0.000570 rms=0.001010 Jy/beam ! Combined flux in latest and established models = 0.748049 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 122 components and 0.748049 Jy ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! Estimated beam: bmin=0.6398 mas, bmaj=1.189 mas, bpa=-10.6 degrees ! Estimated noise=496.083 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144434 Jy ! Component: 100 - total flux cleaned = -0.00144173 Jy ! Component: 150 - total flux cleaned = -0.00164743 Jy ! Component: 200 - total flux cleaned = -0.00165168 Jy ! Total flux subtracted in 200 components = -0.00165168 Jy ! Clean residual min=-0.005861 max=0.004749 Jy/beam ! Clean residual mean=-0.000187 rms=0.001314 Jy/beam ! Combined flux in latest and established models = 0.746397 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 140 components and 0.746397 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214482Jy sigma=0.001226 ! Fit after self-cal, rms=0.214336Jy sigma=0.001223 wmodel J0251+4315_X_2007_12_05_pus_map.mod ! Writing 140 model components to file: J0251+4315_X_2007_12_05_pus_map.mod wobs J0251+4315_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0251+4315_X_2007_12_05_pus_uvs.fits wwins J0251+4315_X_2007_12_05_pus_map.win ! wwins: Wrote 7 windows to J0251+4315_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 8.55% 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 0.166 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00242582 Jy ! Component: 100 - total flux cleaned = -0.00252322 Jy ! Component: 150 - total flux cleaned = -0.00261512 Jy ! Component: 200 - total flux cleaned = -0.00287157 Jy ! Component: 250 - total flux cleaned = -0.00319913 Jy ! Component: 300 - total flux cleaned = -0.00319839 Jy ! Component: 350 - total flux cleaned = -0.00319843 Jy ! Component: 400 - total flux cleaned = -0.00312449 Jy ! Component: 450 - total flux cleaned = -0.00312495 Jy ! Component: 500 - total flux cleaned = -0.00319565 Jy ! Component: 550 - total flux cleaned = -0.00326424 Jy ! Component: 600 - total flux cleaned = -0.00319654 Jy ! Component: 650 - total flux cleaned = -0.00326309 Jy ! Component: 700 - total flux cleaned = -0.00326374 Jy ! Component: 750 - total flux cleaned = -0.00332783 Jy ! Component: 800 - total flux cleaned = -0.00332793 Jy ! Component: 850 - total flux cleaned = -0.00338938 Jy ! Component: 900 - total flux cleaned = -0.00351104 Jy ! Component: 950 - total flux cleaned = -0.00351083 Jy ! Component: 1000 - total flux cleaned = -0.00357014 Jy ! Component: 1050 - total flux cleaned = -0.00362827 Jy ! Component: 1100 - total flux cleaned = -0.00368538 Jy ! Component: 1150 - total flux cleaned = -0.00368529 Jy ! Component: 1200 - total flux cleaned = -0.00368548 Jy ! Component: 1250 - total flux cleaned = -0.00368612 Jy ! Component: 1300 - total flux cleaned = -0.00374111 Jy ! Component: 1350 - total flux cleaned = -0.00379491 Jy ! Component: 1400 - total flux cleaned = -0.00374179 Jy ! Component: 1450 - total flux cleaned = -0.00379482 Jy ! Component: 1500 - total flux cleaned = -0.00384672 Jy ! Component: 1550 - total flux cleaned = -0.00384663 Jy ! Component: 1600 - total flux cleaned = -0.00384644 Jy ! Component: 1650 - total flux cleaned = -0.0037966 Jy ! Component: 1700 - total flux cleaned = -0.00379705 Jy ! Component: 1750 - total flux cleaned = -0.0038463 Jy ! Component: 1800 - total flux cleaned = -0.00384617 Jy ! Component: 1850 - total flux cleaned = -0.00379851 Jy ! Component: 1900 - total flux cleaned = -0.0037989 Jy ! Component: 1950 - total flux cleaned = -0.00384618 Jy ! Component: 2000 - total flux cleaned = -0.00384612 Jy ! Total flux subtracted in 2048 components = -0.00384605 Jy ! Clean residual min=-0.002432 max=0.002297 Jy/beam ! Clean residual mean=-0.000022 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.742551 Jy keep ! Adding 157 model components to the UV plane model. ! The established model now contains 295 components and 0.742551 Jy wmap "J0251+4315_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6398 x 1.189 at -10.6 degrees (North through East) ! Clean map min=-0.0048542 max=0.29722 Jy/beam ! Writing clean map to FITS file: J0251+4315_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 0.297216 invert ! Inverting map ! Your choice of large map pixels excluded 8.55% 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 0.166 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00082202 device "J0251+4315_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0251+4315_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.829719 0.829719 1.65944 3.31888 6.63775 13.2755 26.551 53.102 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.297 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6398 x 1.189 at -10.6 degrees (North through East) ! Clean map min=-0.0048542 max=0.29722 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0251+4315_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0251+4315_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0251+4315_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:16:08 2010