! Started logfile: J2031+1219_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:27:46 2010 obs J2031+1219_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2031+1219_X_2007_12_05_pus_uva.fits ! AN table 1: 447 integrations on 136 of 136 possible baselines. ! AN table 2: 90 integrations on 136 of 136 possible baselines. ! AN table 3: 270 integrations on 136 of 136 possible baselines. ! AN table 4: 22 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.105371 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2031+1219 ! ! 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 47520 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 4994 telescope corrections were flagged in sub-array 1. ! A total of 1358 telescope corrections were flagged in sub-array 2. ! A total of 3039 telescope corrections were flagged in sub-array 3. ! A total of 314 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 4994 telescope corrections were flagged in sub-array 1. ! A total of 1358 telescope corrections were flagged in sub-array 2. ! A total of 3039 telescope corrections were flagged in sub-array 3. ! A total of 314 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 4994 telescope corrections were flagged in sub-array 1. ! A total of 1358 telescope corrections were flagged in sub-array 2. ! A total of 3039 telescope corrections were flagged in sub-array 3. ! A total of 314 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 5326 telescope corrections were flagged in sub-array 1. ! A total of 1358 telescope corrections were flagged in sub-array 2. ! A total of 3209 telescope corrections were flagged in sub-array 3. ! A total of 329 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.668717Jy sigma=0.005077 ! Fit after self-cal, rms=0.462340Jy sigma=0.003429 ! 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 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5678 mas, bmaj=0.8183 mas, bpa=5.102 degrees ! Estimated noise=916.39 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 = 0.478345 Jy ! Component: 100 - total flux cleaned = 0.594274 Jy ! Total flux subtracted in 100 components = 0.594274 Jy ! Clean residual min=-0.016514 max=0.045323 Jy/beam ! Clean residual mean=0.000127 rms=0.004047 Jy/beam ! Combined flux in latest and established models = 0.594274 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.594274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291099Jy sigma=0.001379 ! Fit after self-cal, rms=0.290839Jy sigma=0.001379 ! Inverting map ! Your choice of large map pixels excluded 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0452601 Jy ! Component: 100 - total flux cleaned = 0.0482516 Jy ! Total flux subtracted in 100 components = 0.0482516 Jy ! Clean residual min=-0.015102 max=0.021633 Jy/beam ! Clean residual mean=0.000001 rms=0.003028 Jy/beam ! Combined flux in latest and established models = 0.642525 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 6 components and 0.642525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281310Jy sigma=0.001307 ! Fit after self-cal, rms=0.280937Jy sigma=0.001307 ! Inverting map ! Your choice of large map pixels excluded 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Added new window around map position (-0.4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00893287 Jy ! Component: 100 - total flux cleaned = 0.00897048 Jy ! Total flux subtracted in 100 components = 0.00897048 Jy ! Clean residual min=-0.011387 max=0.015474 Jy/beam ! Clean residual mean=-0.000022 rms=0.002671 Jy/beam ! Combined flux in latest and established models = 0.651496 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.651496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278673Jy sigma=0.001292 ! Fit after self-cal, rms=0.278398Jy sigma=0.001290 ! Inverting map ! Your choice of large map pixels excluded 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6099 mas, bmaj=0.8876 mas, bpa=10.14 degrees ! Estimated noise=468.623 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 = 0.0133604 Jy ! Component: 100 - total flux cleaned = 0.0143816 Jy ! Component: 150 - total flux cleaned = 0.0146601 Jy ! Component: 200 - total flux cleaned = 0.0146373 Jy ! Total flux subtracted in 200 components = 0.0146373 Jy ! Clean residual min=-0.011240 max=0.008528 Jy/beam ! Clean residual mean=-0.001054 rms=0.002361 Jy/beam ! Combined flux in latest and established models = 0.666133 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.666133 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277002Jy sigma=0.001283 ! Fit after self-cal, rms=0.276885Jy sigma=0.001282 ! Inverting map ! Your choice of large map pixels excluded 7.62% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HH 0.90 HN 1.13 ! KB 1.07 KP 1.00 LA 1.00 MK 1.00* ! NL 1.10 NY 0.95 ON 0.97 OV 1.01 ! PT 0.95 SV 1.03 TS 1.06 WZ 1.04 ! ZC 1.00 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.05 KP 1.02 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 0.99 ! PT 1.00* SV 1.00* TS 0.93 WZ 1.00* ! ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 0.98 HH 1.08 HN 1.17 ! KB 0.98 KP 0.99 LA 0.99 MK 1.00* ! NL 1.10 NY 0.95 ON 1.00 OV 0.98 ! PT 0.96 SV 1.07 TS 1.00 WZ 1.08 ! ZC 1.02 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 0.96 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.03 NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.12 TS 1.00* WZ 1.00* ! ZC 1.15 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HH 0.90 HN 1.17 ! KB 1.06 KP 0.92 LA 0.94 MK 1.00* ! NL 1.09 NY 0.97 ON 0.96 OV 0.97 ! PT 1.04 SV 0.99 TS 1.08 WZ 1.03 ! ZC 1.04 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 0.97 KP 0.99 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 0.98 ! PT 1.00* SV 1.00* TS 1.00 WZ 1.00* ! ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.98 HH 1.08 HN 1.16 ! KB 1.00 KP 0.97 LA 0.98 MK 1.00* ! NL 1.06 NY 0.98 ON 0.99 OV 0.95 ! PT 1.02 SV 1.03 TS 1.01 WZ 1.06 ! ZC 1.05 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.07 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 1.09 TS 1.00* WZ 1.00* ! ZC 1.18 ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HH 0.89 HN 1.17 ! KB 1.05 KP 0.95 LA 1.02 MK 1.00* ! NL 1.07 NY 0.99 ON 0.92 OV 0.98 ! PT 1.02 SV 0.97 TS 1.08 WZ 0.99 ! ZC 0.97 ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.02 KP 1.03 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00 ! PT 1.00* SV 1.00* TS 0.92 WZ 1.00* ! ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 HH 1.02 HN 1.16 ! KB 0.98 KP 1.01 LA 0.97 MK 1.00* ! NL 1.07 NY 1.01 ON 0.96 OV 0.98 ! PT 1.02 SV 1.00 TS 1.00 WZ 1.03 ! ZC 0.99 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.00* HN 1.14 ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.00* ! PT 1.00* SV 0.99 TS 1.00* WZ 1.00* ! ZC 1.12 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.92 HH 0.86 HN 1.17 ! KB 1.04 KP 1.00 LA 0.97 MK 1.00* ! NL 1.09 NY 0.95 ON 0.95 OV 0.98 ! PT 1.01 SV 0.97 TS 1.08 WZ 0.99 ! ZC 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.01 KP 1.04 LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 0.95 ! PT 1.00* SV 1.00* TS 0.94 WZ 1.00* ! ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.95 HH 0.99 HN 1.16 ! KB 0.99 KP 0.99 LA 1.01 MK 1.00* ! NL 1.07 NY 0.98 ON 0.97 OV 0.94 ! PT 1.00 SV 0.96 TS 0.99 WZ 1.00 ! ZC 1.00* ! ! A total of 45 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* ! ! ! Fit before self-cal, rms=0.276885Jy sigma=0.001282 ! Fit after self-cal, rms=0.257505Jy sigma=0.001244 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6124 mas, bmaj=0.8594 mas, bpa=10.45 degrees ! Estimated noise=475.139 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 = -0.00319203 Jy ! Component: 100 - total flux cleaned = -0.00376154 Jy ! Component: 150 - total flux cleaned = -0.00391246 Jy ! Component: 200 - total flux cleaned = -0.00403736 Jy ! Total flux subtracted in 200 components = -0.00403736 Jy ! Clean residual min=-0.005877 max=0.005472 Jy/beam ! Clean residual mean=-0.000684 rms=0.001467 Jy/beam ! Combined flux in latest and established models = 0.662096 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 24 components and 0.662096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256967Jy sigma=0.001241 ! Fit after self-cal, rms=0.256633Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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=0.256633Jy sigma=0.001241 ! Fit after self-cal, rms=0.262475Jy sigma=0.001230 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6147 mas, bmaj=0.8632 mas, bpa=11.04 degrees ! Estimated noise=475.798 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000640833 Jy ! Component: 100 - total flux cleaned = -0.000727225 Jy ! Component: 150 - total flux cleaned = -0.000664768 Jy ! Component: 200 - total flux cleaned = -0.000664744 Jy ! Total flux subtracted in 200 components = -0.000664744 Jy ! Clean residual min=-0.004350 max=0.004806 Jy/beam ! Clean residual mean=-0.000296 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.661431 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 24 components and 0.661431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262345Jy sigma=0.001229 ! Fit after self-cal, rms=0.262434Jy sigma=0.001229 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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 (1.2, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00372811 Jy ! Component: 100 - total flux cleaned = 0.00422651 Jy ! Component: 150 - total flux cleaned = 0.00441049 Jy ! Component: 200 - total flux cleaned = 0.00441026 Jy ! Total flux subtracted in 200 components = 0.00441026 Jy ! Clean residual min=-0.004296 max=0.004144 Jy/beam ! Clean residual mean=-0.000467 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 0.665841 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 36 components and 0.665841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262340Jy sigma=0.001229 ! Fit after self-cal, rms=0.262340Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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=0.262340Jy sigma=0.001229 ! Fit after self-cal, rms=0.267542Jy sigma=0.001222 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6158 mas, bmaj=0.8662 mas, bpa=11.42 degrees ! Estimated noise=476.401 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000670272 Jy ! Component: 100 - total flux cleaned = 0.000745393 Jy ! Component: 150 - total flux cleaned = 0.000837997 Jy ! Component: 200 - total flux cleaned = 0.000838236 Jy ! Total flux subtracted in 200 components = 0.000838236 Jy ! Clean residual min=-0.003415 max=0.004041 Jy/beam ! Clean residual mean=-0.000217 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.666679 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 47 components and 0.666679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267507Jy sigma=0.001222 ! Fit after self-cal, rms=0.267526Jy sigma=0.001222 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00400878 Jy ! Component: 100 - total flux cleaned = 0.00471779 Jy ! Component: 150 - total flux cleaned = 0.0050013 Jy ! Component: 200 - total flux cleaned = 0.00534198 Jy ! Total flux subtracted in 200 components = 0.00534198 Jy ! Clean residual min=-0.003241 max=0.002046 Jy/beam ! Clean residual mean=-0.000419 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.672021 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 61 components and 0.672021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267451Jy sigma=0.001222 ! Fit after self-cal, rms=0.267455Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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=0.267455Jy sigma=0.001222 ! Fit after self-cal, rms=0.267697Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=2.31 mas, bmaj=2.874 mas, bpa=-38.85 degrees ! Estimated noise=631.605 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179816 Jy ! Component: 100 - total flux cleaned = 0.00192834 Jy ! Component: 150 - total flux cleaned = 0.00201482 Jy ! Component: 200 - total flux cleaned = 0.0020439 Jy ! Total flux subtracted in 200 components = 0.0020439 Jy ! Clean residual min=-0.003470 max=0.001754 Jy/beam ! Clean residual mean=-0.000726 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.674065 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 84 components and 0.674065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267684Jy sigma=0.001221 ! Fit after self-cal, rms=0.267685Jy sigma=0.001221 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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 = 5.54686e-06 Jy ! Component: 100 - total flux cleaned = 6.66626e-05 Jy ! Component: 150 - total flux cleaned = 0.000136107 Jy ! Component: 200 - total flux cleaned = 0.000154296 Jy ! Total flux subtracted in 200 components = 0.000154296 Jy ! Clean residual min=-0.003364 max=0.001731 Jy/beam ! Clean residual mean=-0.000742 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.67422 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.67422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267682Jy sigma=0.001221 ! Fit after self-cal, rms=0.267679Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6167 mas, bmaj=0.8664 mas, bpa=11.45 degrees ! Estimated noise=476.336 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6167 x 0.8664 at 11.45 degrees (North through East) ! Clean map min=-0.0023995 max=0.60911 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=0.267679Jy sigma=0.001221 ! Fit after self-cal, rms=0.280786Jy sigma=0.001068 ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.6167 mas, bmaj=0.8664 mas, bpa=11.38 degrees ! Estimated noise=475.868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.62249e-05 Jy ! Component: 100 - total flux cleaned = 6.24812e-05 Jy ! Component: 150 - total flux cleaned = 0.00014079 Jy ! Component: 200 - total flux cleaned = 0.000211102 Jy ! Total flux subtracted in 200 components = 0.000211102 Jy ! Clean residual min=-0.002581 max=0.001899 Jy/beam ! Clean residual mean=-0.000165 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.674431 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 94 components and 0.674431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280775Jy sigma=0.001068 ! Fit after self-cal, rms=0.280779Jy sigma=0.001068 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000114052 Jy ! Component: 100 - total flux cleaned = 0.000242651 Jy ! Component: 150 - total flux cleaned = 0.000303196 Jy ! Component: 200 - total flux cleaned = 0.00033223 Jy ! Total flux subtracted in 200 components = 0.00033223 Jy ! Clean residual min=-0.002541 max=0.001881 Jy/beam ! Clean residual mean=-0.000178 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.674763 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 99 components and 0.674763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280769Jy sigma=0.001068 ! Fit after self-cal, rms=0.280771Jy sigma=0.001068 ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280771Jy sigma=0.001068 ! Fit after self-cal, rms=0.281565Jy sigma=0.001068 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 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.5768 mas, bmaj=0.797 mas, bpa=5.786 degrees ! Estimated noise=941.481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.47951 Jy ! Component: 100 - total flux cleaned = 0.591514 Jy ! Component: 150 - total flux cleaned = 0.63598 Jy ! Component: 200 - total flux cleaned = 0.655148 Jy ! Total flux subtracted in 200 components = 0.655148 Jy ! Clean residual min=-0.010617 max=0.010123 Jy/beam ! Clean residual mean=0.000043 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.655148 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.655148 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.617 mas, bmaj=0.8663 mas, bpa=11.4 degrees ! Estimated noise=475.928 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 = 0.00866146 Jy ! Component: 100 - total flux cleaned = 0.0111258 Jy ! Component: 150 - total flux cleaned = 0.0132253 Jy ! Component: 200 - total flux cleaned = 0.0145134 Jy ! Total flux subtracted in 200 components = 0.0145134 Jy ! Clean residual min=-0.003949 max=0.003958 Jy/beam ! Clean residual mean=0.000065 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.669661 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.669661 Jy ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00067419 Jy ! Component: 100 - total flux cleaned = 0.001472 Jy ! Component: 150 - total flux cleaned = 0.00199736 Jy ! Component: 200 - total flux cleaned = 0.00246624 Jy ! Total flux subtracted in 200 components = 0.00246624 Jy ! Clean residual min=-0.002752 max=0.002788 Jy/beam ! Clean residual mean=-0.000027 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.672127 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 0.672128 Jy ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 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 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=2.309 mas, bmaj=2.872 mas, bpa=-38.89 degrees ! Estimated noise=630.784 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311933 Jy ! Component: 100 - total flux cleaned = 0.00431617 Jy ! Component: 150 - total flux cleaned = 0.00452943 Jy ! Component: 200 - total flux cleaned = 0.00456511 Jy ! Total flux subtracted in 200 components = 0.00456511 Jy ! Clean residual min=-0.002854 max=0.001859 Jy/beam ! Clean residual mean=-0.000532 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.676693 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 = -3.00734e-05 Jy ! Component: 100 - total flux cleaned = -5.5753e-05 Jy ! Component: 150 - total flux cleaned = -7.94562e-05 Jy ! Component: 200 - total flux cleaned = -7.95673e-05 Jy ! Total flux subtracted in 200 components = -7.95673e-05 Jy ! Clean residual min=-0.002793 max=0.001754 Jy/beam ! Clean residual mean=-0.000524 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.676613 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 51 components and 0.676613 Jy ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! Estimated beam: bmin=0.617 mas, bmaj=0.8663 mas, bpa=11.4 degrees ! Estimated noise=475.928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000678474 Jy ! Component: 100 - total flux cleaned = 0.000422009 Jy ! Component: 150 - total flux cleaned = 0.000191902 Jy ! Component: 200 - total flux cleaned = -1.75934e-05 Jy ! Total flux subtracted in 200 components = -1.75934e-05 Jy ! Clean residual min=-0.002699 max=0.002258 Jy/beam ! Clean residual mean=-0.000194 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.676595 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 53 components and 0.676596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281795Jy sigma=0.001070 ! Fit after self-cal, rms=0.281841Jy sigma=0.001070 wmodel J2031+1219_X_2007_12_05_pus_map.mod ! Writing 53 model components to file: J2031+1219_X_2007_12_05_pus_map.mod wobs J2031+1219_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2031+1219_X_2007_12_05_pus_uvs.fits wwins J2031+1219_X_2007_12_05_pus_map.win ! wwins: Wrote 4 windows to J2031+1219_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 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100235 Jy ! Component: 100 - total flux cleaned = -0.00177335 Jy ! Component: 150 - total flux cleaned = -0.00220614 Jy ! Component: 200 - total flux cleaned = -0.00254089 Jy ! Component: 250 - total flux cleaned = -0.00270329 Jy ! Component: 300 - total flux cleaned = -0.00282222 Jy ! Component: 350 - total flux cleaned = -0.00297703 Jy ! Component: 400 - total flux cleaned = -0.00312824 Jy ! Component: 450 - total flux cleaned = -0.00320238 Jy ! Component: 500 - total flux cleaned = -0.00334767 Jy ! Component: 550 - total flux cleaned = -0.00345407 Jy ! Component: 600 - total flux cleaned = -0.00355877 Jy ! Component: 650 - total flux cleaned = -0.00359324 Jy ! Component: 700 - total flux cleaned = -0.00372868 Jy ! Component: 750 - total flux cleaned = -0.0038614 Jy ! Component: 800 - total flux cleaned = -0.00389375 Jy ! Component: 850 - total flux cleaned = -0.00395851 Jy ! Component: 900 - total flux cleaned = -0.00405416 Jy ! Component: 950 - total flux cleaned = -0.00411729 Jy ! Component: 1000 - total flux cleaned = -0.00417967 Jy ! Component: 1050 - total flux cleaned = -0.00421056 Jy ! Component: 1100 - total flux cleaned = -0.00427154 Jy ! Component: 1150 - total flux cleaned = -0.00427176 Jy ! Component: 1200 - total flux cleaned = -0.00436117 Jy ! Component: 1250 - total flux cleaned = -0.00439082 Jy ! Component: 1300 - total flux cleaned = -0.00444905 Jy ! Component: 1350 - total flux cleaned = -0.00444878 Jy ! Component: 1400 - total flux cleaned = -0.00450599 Jy ! Component: 1450 - total flux cleaned = -0.00456229 Jy ! Component: 1500 - total flux cleaned = -0.0045621 Jy ! Component: 1550 - total flux cleaned = -0.00461736 Jy ! Component: 1600 - total flux cleaned = -0.0046172 Jy ! Component: 1650 - total flux cleaned = -0.00467139 Jy ! Component: 1700 - total flux cleaned = -0.00467128 Jy ! Component: 1750 - total flux cleaned = -0.00472471 Jy ! Component: 1800 - total flux cleaned = -0.00472481 Jy ! Component: 1850 - total flux cleaned = -0.00477714 Jy ! Component: 1900 - total flux cleaned = -0.00475113 Jy ! Component: 1950 - total flux cleaned = -0.0048282 Jy ! Component: 2000 - total flux cleaned = -0.00482825 Jy ! Total flux subtracted in 2048 components = -0.00485344 Jy ! Clean residual min=-0.001485 max=0.001345 Jy/beam ! Clean residual mean=-0.000024 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.671742 Jy keep ! Adding 159 model components to the UV plane model. ! The established model now contains 206 components and 0.671742 Jy wmap "J2031+1219_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.617 x 0.8663 at 11.4 degrees (North through East) ! Clean map min=-0.0017564 max=0.60727 Jy/beam ! Writing clean map to FITS file: J2031+1219_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 0.60727 invert ! Inverting map ! Your choice of large map pixels excluded 7.77% of the data. ! The x-axis pixel size should ideally be below 0.188 milli-arcsec ! The y-axis pixel size should ideally be below 0.1751 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0004465 device "J2031+1219_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2031+1219_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.220577 0.220577 0.441155 0.882309 1.76462 3.52924 7.05847 14.1169 28.2339 56.4678 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.607 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.617 x 0.8663 at 11.4 degrees (North through East) ! Clean map min=-0.0017564 max=0.60727 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2031+1219_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2031+1219_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2031+1219_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:28:04 2010