! Started logfile: J2143+1743_X_2010_10_13_pus_uvs.log on Thu Feb 24 21:20:19 2011 obs J2143+1743_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J2143+1743_X_2010_10_13_pus_uva.fits ! AN table 1: 126 integrations on 105 of 105 possible baselines. ! AN table 2: 118 integrations on 105 of 105 possible baselines. ! AN table 3: 33 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0988482 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2143+1743 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5200 lines of history. ! ! Reading 11500 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J2143+1743_X_2010_10_13_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 = 256x256 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 1563 telescope corrections were flagged in sub-array 1. ! A total of 1336 telescope corrections were flagged in sub-array 2. ! A total of 367 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1563 telescope corrections were flagged in sub-array 1. ! A total of 1336 telescope corrections were flagged in sub-array 2. ! A total of 367 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1563 telescope corrections were flagged in sub-array 1. ! A total of 1336 telescope corrections were flagged in sub-array 2. ! A total of 367 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1623 telescope corrections were flagged in sub-array 1. ! A total of 1490 telescope corrections were flagged in sub-array 2. ! A total of 367 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.306630Jy sigma=0.003273 ! Fit after self-cal, rms=0.248958Jy sigma=0.002771 ! 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 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec ! Estimated beam: bmin=0.5656 mas, bmaj=0.9309 mas, bpa=-5.731 degrees ! Estimated noise=984.89 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 = 0.643925 Jy ! Component: 100 - total flux cleaned = 0.812412 Jy ! Total flux subtracted in 100 components = 0.812412 Jy ! Clean residual min=-0.017704 max=0.073608 Jy/beam ! Clean residual mean=0.000628 rms=0.007326 Jy/beam ! Combined flux in latest and established models = 0.812412 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.812412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204461Jy sigma=0.002303 ! Fit after self-cal, rms=0.203849Jy sigma=0.002297 ! Inverting map ! Your choice of large map pixels excluded 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0811174 Jy ! Component: 100 - total flux cleaned = 0.125156 Jy ! Total flux subtracted in 100 components = 0.125156 Jy ! Clean residual min=-0.011282 max=0.023937 Jy/beam ! Clean residual mean=0.000377 rms=0.003643 Jy/beam ! Combined flux in latest and established models = 0.937567 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 19 components and 0.937567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157121Jy sigma=0.001582 ! Fit after self-cal, rms=0.156737Jy sigma=0.001579 ! Inverting map ! Your choice of large map pixels excluded 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec ! Added new window around map position (-0.6, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0298468 Jy ! Component: 100 - total flux cleaned = 0.0490049 Jy ! Total flux subtracted in 100 components = 0.0490049 Jy ! Clean residual min=-0.008934 max=0.017089 Jy/beam ! Clean residual mean=0.000275 rms=0.002700 Jy/beam ! Combined flux in latest and established models = 0.986572 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 26 components and 0.986572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148669Jy sigma=0.001430 ! Fit after self-cal, rms=0.148465Jy sigma=0.001428 ! Inverting map ! Your choice of large map pixels excluded 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec ! Added new window around map position (-1.2, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165546 Jy ! Component: 100 - total flux cleaned = 0.0271809 Jy ! Total flux subtracted in 100 components = 0.0271809 Jy ! Clean residual min=-0.007595 max=0.014432 Jy/beam ! Clean residual mean=0.000214 rms=0.002366 Jy/beam ! Combined flux in latest and established models = 1.01375 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 1.01375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146313Jy sigma=0.001384 ! Fit after self-cal, rms=0.146179Jy sigma=0.001382 ! Inverting map ! Your choice of large map pixels excluded 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 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 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec ! Estimated beam: bmin=0.72 mas, bmaj=1.254 mas, bpa=-5.257 degrees ! Estimated noise=630.011 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, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151646 Jy ! Component: 100 - total flux cleaned = 0.0241457 Jy ! Component: 150 - total flux cleaned = 0.029995 Jy ! Component: 200 - total flux cleaned = 0.0329913 Jy ! Total flux subtracted in 200 components = 0.0329913 Jy ! Clean residual min=-0.005465 max=0.009115 Jy/beam ! Clean residual mean=0.001166 rms=0.001650 Jy/beam ! Combined flux in latest and established models = 1.04674 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 52 components and 1.04674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144800Jy sigma=0.001355 ! Fit after self-cal, rms=0.144712Jy sigma=0.001352 ! Inverting map ! Your choice of large map pixels excluded 7.61% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1725 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HH 1.00* HN 1.00* ! KB 0.98 KK 0.95 KP 0.99 LA 1.01 ! MK 1.00 NL 0.99 NY 1.10 OV 0.98 ! PT 0.98 SC 1.00* TS 1.00 ! ! A total of 144 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 HH 0.99 HN 1.02 ! KB 1.00* KK 1.00* KP 1.00 LA 1.01 ! MK 1.00* NL 1.00 NY 1.03 OV 1.00 ! PT 1.00 SC 0.97 TS 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KK 1.10 KP 0.96 LA 0.98 ! MK 1.02 NL 1.00* NY 0.99 OV 0.98 ! PT 0.97 SC 1.01 TS 1.00* ! ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HH 1.00* HN 1.00* ! KB 0.99 KK 1.00 KP 1.01 LA 0.97 ! MK 1.01 NL 1.03 NY 1.06 OV 1.02 ! PT 1.00 SC 1.00* TS 1.00 ! ! A total of 144 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HH 0.96 HN 1.03 ! KB 1.00* KK 1.00* KP 1.01 LA 0.99 ! MK 1.00* NL 1.02 NY 1.02 OV 1.03 ! PT 1.02 SC 1.01 TS 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KK 1.10 KP 0.99 LA 0.97 ! MK 1.00 NL 1.00* NY 1.01 OV 1.01 ! PT 0.97 SC 1.02 TS 1.00* ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HH 1.00* HN 1.00* ! KB 0.97 KK 0.92 KP 1.01 LA 0.97 ! MK 1.01 NL 0.98 NY 1.11 OV 0.98 ! PT 0.99 SC 1.00* TS 0.98 ! ! A total of 144 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HH 1.00 HN 1.03 ! KB 1.00* KK 1.00* KP 1.02 LA 0.97 ! MK 1.00* NL 0.97 NY 1.07 OV 1.01 ! PT 1.01 SC 0.98 TS 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 HH 1.00* HN 1.00* ! KB 1.00* KK 1.09 KP 0.98 LA 0.95 ! MK 1.01 NL 1.00* NY 1.06 OV 0.99 ! PT 0.96 SC 1.02 TS 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HH 1.00* HN 1.00* ! KB 0.98 KK 0.98 KP 0.99 LA 1.03 ! MK 0.98 NL 1.00 NY 1.09 OV 0.98 ! PT 0.98 SC 1.00* TS 0.96 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 HH 1.00* HN 1.02 ! KB 1.00* KK 1.00* KP 1.02 LA 1.04 ! MK 1.00* NL 0.99 NY 1.04 OV 0.99 ! PT 1.00 SC 0.99 TS 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KB 1.00* KK 1.07 KP 0.97 LA 1.03 ! MK 1.01 NL 1.00* NY 0.96 OV 0.99 ! PT 0.97 SC 1.01 TS 1.00* ! ! ! Fit before self-cal, rms=0.144712Jy sigma=0.001352 ! Fit after self-cal, rms=0.140636Jy sigma=0.001318 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7425 mas, bmaj=1.346 mas, bpa=-5.517 degrees ! Estimated noise=635.098 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 = -0.000388512 Jy ! Component: 100 - total flux cleaned = -0.000770912 Jy ! Component: 150 - total flux cleaned = -0.00130346 Jy ! Component: 200 - total flux cleaned = -0.0016761 Jy ! Total flux subtracted in 200 components = -0.0016761 Jy ! Clean residual min=-0.002948 max=0.004071 Jy/beam ! Clean residual mean=0.000452 rms=0.001110 Jy/beam ! Combined flux in latest and established models = 1.04507 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 64 components and 1.04507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140419Jy sigma=0.001315 ! Fit after self-cal, rms=0.140459Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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=0.140459Jy sigma=0.001315 ! Fit after self-cal, rms=0.140432Jy sigma=0.001312 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7418 mas, bmaj=1.346 mas, bpa=-5.45 degrees ! Estimated noise=634.671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00020856 Jy ! Component: 100 - total flux cleaned = -0.000701031 Jy ! Component: 150 - total flux cleaned = -0.00120574 Jy ! Component: 200 - total flux cleaned = -0.00150946 Jy ! Total flux subtracted in 200 components = -0.00150946 Jy ! Clean residual min=-0.003069 max=0.003857 Jy/beam ! Clean residual mean=0.000336 rms=0.001068 Jy/beam ! Combined flux in latest and established models = 1.04356 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 1.04356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140303Jy sigma=0.001310 ! Fit after self-cal, rms=0.140301Jy sigma=0.001310 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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 = -0.000149755 Jy ! Component: 100 - total flux cleaned = -0.000426771 Jy ! Component: 150 - total flux cleaned = -0.000550052 Jy ! Component: 200 - total flux cleaned = -0.000666338 Jy ! Total flux subtracted in 200 components = -0.000666338 Jy ! Clean residual min=-0.003073 max=0.003864 Jy/beam ! Clean residual mean=0.000355 rms=0.001046 Jy/beam ! Combined flux in latest and established models = 1.04289 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 70 components and 1.04289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140241Jy sigma=0.001310 ! Fit after self-cal, rms=0.140243Jy sigma=0.001309 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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=0.140243Jy sigma=0.001309 ! Fit after self-cal, rms=0.139743Jy sigma=0.001297 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7401 mas, bmaj=1.346 mas, bpa=-5.355 degrees ! Estimated noise=634.458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000381262 Jy ! Component: 100 - total flux cleaned = -3.50106e-06 Jy ! Component: 150 - total flux cleaned = -0.000268399 Jy ! Component: 200 - total flux cleaned = -0.00038754 Jy ! Total flux subtracted in 200 components = -0.00038754 Jy ! Clean residual min=-0.002820 max=0.003563 Jy/beam ! Clean residual mean=0.000587 rms=0.000968 Jy/beam ! Combined flux in latest and established models = 1.0425 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 1.0425 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139648Jy sigma=0.001295 ! Fit after self-cal, rms=0.139646Jy sigma=0.001295 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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 = -0.000112389 Jy ! Component: 100 - total flux cleaned = -0.000219503 Jy ! Component: 150 - total flux cleaned = -0.000269671 Jy ! Component: 200 - total flux cleaned = -0.000362801 Jy ! Total flux subtracted in 200 components = -0.000362801 Jy ! Clean residual min=-0.002745 max=0.003570 Jy/beam ! Clean residual mean=0.000597 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 1.04214 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 90 components and 1.04214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139600Jy sigma=0.001294 ! Fit after self-cal, rms=0.139599Jy sigma=0.001294 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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=0.139599Jy sigma=0.001294 ! Fit after self-cal, rms=0.139925Jy sigma=0.001294 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=2.71 mas, bmaj=3.071 mas, bpa=-7.494 degrees ! Estimated noise=825.57 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00059113 Jy ! Component: 100 - total flux cleaned = 0.000505264 Jy ! Component: 150 - total flux cleaned = 0.000399999 Jy ! Component: 200 - total flux cleaned = 0.000311468 Jy ! Total flux subtracted in 200 components = 0.000311468 Jy ! Clean residual min=-0.002960 max=0.004138 Jy/beam ! Clean residual mean=0.001051 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 1.04245 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 94 components and 1.04245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139946Jy sigma=0.001294 ! Fit after self-cal, rms=0.139949Jy sigma=0.001294 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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 = 0.000323053 Jy ! Component: 100 - total flux cleaned = 0.000350129 Jy ! Component: 150 - total flux cleaned = 0.000350757 Jy ! Component: 200 - total flux cleaned = 0.000350424 Jy ! Total flux subtracted in 200 components = 0.000350424 Jy ! Clean residual min=-0.002991 max=0.004137 Jy/beam ! Clean residual mean=0.001023 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 1.0428 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 95 components and 1.0428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139956Jy sigma=0.001295 ! Fit after self-cal, rms=0.139956Jy sigma=0.001294 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7397 mas, bmaj=1.347 mas, bpa=-5.279 degrees ! Estimated noise=634.597 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7397 x 1.347 at -5.279 degrees (North through East) ! Clean map min=-0.0024836 max=0.87111 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=0.139956Jy sigma=0.001294 ! Fit after self-cal, rms=0.132899Jy sigma=0.001198 ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7401 mas, bmaj=1.348 mas, bpa=-5.329 degrees ! Estimated noise=634.777 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.50841e-05 Jy ! Component: 100 - total flux cleaned = -0.000480901 Jy ! Component: 150 - total flux cleaned = -0.000589815 Jy ! Component: 200 - total flux cleaned = -0.000688476 Jy ! Total flux subtracted in 200 components = -0.000688476 Jy ! Clean residual min=-0.002907 max=0.003455 Jy/beam ! Clean residual mean=0.000518 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 1.04212 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 1.04212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132818Jy sigma=0.001197 ! Fit after self-cal, rms=0.132811Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000151988 Jy ! Component: 100 - total flux cleaned = -0.000200297 Jy ! Component: 150 - total flux cleaned = -0.00029174 Jy ! Component: 200 - total flux cleaned = -0.000334258 Jy ! Total flux subtracted in 200 components = -0.000334258 Jy ! Clean residual min=-0.002846 max=0.003448 Jy/beam ! Clean residual mean=0.000528 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 1.04178 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 100 components and 1.04178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132769Jy sigma=0.001196 ! Fit after self-cal, rms=0.132767Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132767Jy sigma=0.001196 ! Fit after self-cal, rms=0.132984Jy sigma=0.001196 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 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.5872 mas, bmaj=1.032 mas, bpa=-7.176 degrees ! Estimated noise=994.027 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.656737 Jy ! Component: 100 - total flux cleaned = 0.831536 Jy ! Component: 150 - total flux cleaned = 0.907803 Jy ! Component: 200 - total flux cleaned = 0.947796 Jy ! Total flux subtracted in 200 components = 0.947796 Jy ! Clean residual min=-0.008072 max=0.020456 Jy/beam ! Clean residual mean=0.000310 rms=0.002735 Jy/beam ! Combined flux in latest and established models = 0.947796 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.947796 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7398 mas, bmaj=1.348 mas, bpa=-5.268 degrees ! Estimated noise=634.842 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 = 0.0403292 Jy ! Component: 100 - total flux cleaned = 0.0609609 Jy ! Component: 150 - total flux cleaned = 0.0728225 Jy ! Component: 200 - total flux cleaned = 0.0801416 Jy ! Total flux subtracted in 200 components = 0.0801416 Jy ! Clean residual min=-0.002956 max=0.005610 Jy/beam ! Clean residual mean=0.000836 rms=0.001134 Jy/beam ! Combined flux in latest and established models = 1.02794 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 45 components and 1.02794 Jy ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Added new window around map position (-1.6, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0057293 Jy ! Component: 100 - total flux cleaned = 0.00959668 Jy ! Component: 150 - total flux cleaned = 0.0123967 Jy ! Component: 200 - total flux cleaned = 0.0139376 Jy ! Total flux subtracted in 200 components = 0.0139376 Jy ! Clean residual min=-0.002467 max=0.003139 Jy/beam ! Clean residual mean=0.000403 rms=0.000835 Jy/beam ! Combined flux in latest and established models = 1.04188 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 65 components and 1.04188 Jy ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 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 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=2.712 mas, bmaj=3.072 mas, bpa=-7.544 degrees ! Estimated noise=825.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206453 Jy ! Component: 100 - total flux cleaned = 0.00299924 Jy ! Component: 150 - total flux cleaned = 0.00316831 Jy ! Component: 200 - total flux cleaned = 0.00328459 Jy ! Total flux subtracted in 200 components = 0.00328459 Jy ! Clean residual min=-0.002740 max=0.003696 Jy/beam ! Clean residual mean=0.000680 rms=0.001126 Jy/beam ! Combined flux in latest and established models = 1.04516 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 = 5.18602e-05 Jy ! Component: 100 - total flux cleaned = 8.53139e-05 Jy ! Component: 150 - total flux cleaned = 0.000117847 Jy ! Component: 200 - total flux cleaned = 0.00016448 Jy ! Total flux subtracted in 200 components = 0.00016448 Jy ! Clean residual min=-0.002752 max=0.003697 Jy/beam ! Clean residual mean=0.000668 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 1.04532 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 85 components and 1.04532 Jy ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! Estimated beam: bmin=0.7398 mas, bmaj=1.348 mas, bpa=-5.268 degrees ! Estimated noise=634.842 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000828236 Jy ! Component: 100 - total flux cleaned = -0.000829669 Jy ! Component: 150 - total flux cleaned = -0.000832778 Jy ! Component: 200 - total flux cleaned = -0.000787616 Jy ! Total flux subtracted in 200 components = -0.000787616 Jy ! Clean residual min=-0.002623 max=0.003128 Jy/beam ! Clean residual mean=0.000316 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 1.04454 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 1.04454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132834Jy sigma=0.001194 ! Fit after self-cal, rms=0.132746Jy sigma=0.001193 wmodel J2143+1743_X_2010_10_13_pus_map.mod ! Writing 92 model components to file: J2143+1743_X_2010_10_13_pus_map.mod wobs J2143+1743_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J2143+1743_X_2010_10_13_pus_uvs.fits wwins J2143+1743_X_2010_10_13_pus_map.win ! wwins: Wrote 5 windows to J2143+1743_X_2010_10_13_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 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011911 Jy ! Component: 100 - total flux cleaned = 0.0020279 Jy ! Component: 150 - total flux cleaned = 0.00253956 Jy ! Component: 200 - total flux cleaned = 0.00289462 Jy ! Component: 250 - total flux cleaned = 0.00319434 Jy ! Component: 300 - total flux cleaned = 0.00352715 Jy ! Component: 350 - total flux cleaned = 0.00381048 Jy ! Component: 400 - total flux cleaned = 0.00412652 Jy ! Component: 450 - total flux cleaned = 0.00439704 Jy ! Component: 500 - total flux cleaned = 0.00466162 Jy ! Component: 550 - total flux cleaned = 0.0048837 Jy ! Component: 600 - total flux cleaned = 0.0051378 Jy ! Component: 650 - total flux cleaned = 0.00531581 Jy ! Component: 700 - total flux cleaned = 0.00552662 Jy ! Component: 750 - total flux cleaned = 0.00573386 Jy ! Component: 800 - total flux cleaned = 0.00590424 Jy ! Component: 850 - total flux cleaned = 0.00607195 Jy ! Component: 900 - total flux cleaned = 0.00623742 Jy ! Component: 950 - total flux cleaned = 0.00640034 Jy ! Component: 1000 - total flux cleaned = 0.00656129 Jy ! Total flux subtracted in 1024 components = 0.00662505 Jy ! Clean residual min=-0.001589 max=0.002027 Jy/beam ! Clean residual mean=0.000124 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 1.05116 Jy keep ! Adding 79 model components to the UV plane model. ! The established model now contains 171 components and 1.05116 Jy ![Exited script file: muppet] wmap "J2143+1743_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7398 x 1.348 at -5.268 degrees (North through East) ! Clean map min=-0.0021626 max=0.87348 Jy/beam ! Writing clean map to FITS file: J2143+1743_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.873479 invert ! Inverting map ! Your choice of large map pixels excluded 5.17% of the data. ! The x-axis pixel size should ideally be below 0.17 milli-arcsec ! The y-axis pixel size should ideally be below 0.1825 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000623409 device "J2143+1743_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J2143+1743_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.214112 0.214112 0.428225 0.85645 1.7129 3.4258 6.8516 13.7032 27.4064 54.8128 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.873 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7398 x 1.348 at -5.268 degrees (North through East) ! Clean map min=-0.0021626 max=0.87348 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2143+1743_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J2143+1743_X_2010_10_13_pus_map.gif/vgif' mapplot cln