! Started logfile: J0958+4725_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:47:38 2010 obs J0958+4725_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0958+4725_X_2008_04_02_pus_uva.fits ! AN table 1: 127 integrations on 120 of 120 possible baselines. ! AN table 2: 12 integrations on 120 of 120 possible baselines. ! AN table 3: 28 integrations on 120 of 120 possible baselines. ! AN table 4: 63 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.21221 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0958+4725 ! ! 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 2284 lines of history. ! ! Reading 23428 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 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 279 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1095 telescope corrections were flagged in sub-array 1. ! A total of 147 telescope corrections were flagged in sub-array 2. ! A total of 270 telescope corrections were flagged in sub-array 3. ! A total of 540 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.896314Jy sigma=0.008401 ! Fit after self-cal, rms=0.287203Jy sigma=0.002579 ! 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 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=0.6994 mas, bmaj=0.8854 mas, bpa=6.738 degrees ! Estimated noise=1176.8 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 = 0.860302 Jy ! Component: 100 - total flux cleaned = 1.0778 Jy ! Total flux subtracted in 100 components = 1.0778 Jy ! Clean residual min=-0.018824 max=0.090815 Jy/beam ! Clean residual mean=-0.000032 rms=0.006218 Jy/beam ! Combined flux in latest and established models = 1.0778 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.0778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241375Jy sigma=0.002111 ! Fit after self-cal, rms=0.241347Jy sigma=0.002111 ! Inverting map ! Your choice of large map pixels excluded 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0968601 Jy ! Component: 100 - total flux cleaned = 0.148426 Jy ! Total flux subtracted in 100 components = 0.148426 Jy ! Clean residual min=-0.011850 max=0.025435 Jy/beam ! Clean residual mean=-0.000079 rms=0.003340 Jy/beam ! Combined flux in latest and established models = 1.22623 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 1.22623 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189342Jy sigma=0.001488 ! Fit after self-cal, rms=0.189296Jy sigma=0.001488 ! Inverting map ! Your choice of large map pixels excluded 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0297941 Jy ! Component: 100 - total flux cleaned = 0.0474456 Jy ! Total flux subtracted in 100 components = 0.0474456 Jy ! Clean residual min=-0.011803 max=0.013092 Jy/beam ! Clean residual mean=-0.000094 rms=0.002884 Jy/beam ! Combined flux in latest and established models = 1.27367 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 17 components and 1.27367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184699Jy sigma=0.001415 ! Fit after self-cal, rms=0.184677Jy sigma=0.001415 ! Inverting map ! Your choice of large map pixels excluded 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.099 mas, bmaj=1.231 mas, bpa=29.27 degrees ! Estimated noise=525.018 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 = 0.0117431 Jy ! Component: 100 - total flux cleaned = 0.0170967 Jy ! Component: 150 - total flux cleaned = 0.0186603 Jy ! Component: 200 - total flux cleaned = 0.0190332 Jy ! Total flux subtracted in 200 components = 0.0190332 Jy ! Clean residual min=-0.014840 max=0.016908 Jy/beam ! Clean residual mean=-0.001186 rms=0.003808 Jy/beam ! Combined flux in latest and established models = 1.2927 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 1.2927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184308Jy sigma=0.001404 ! Fit after self-cal, rms=0.184271Jy sigma=0.001404 ! Inverting map ! Your choice of large map pixels excluded 0.506% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HH 1.00* HN 1.14 ! KK 0.98 KP 1.01 LA 0.98 MK 1.01 ! NL 0.98 NY 1.00 ON 1.04 OV 1.00 ! PT 0.97 SC 0.98 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.92 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 1.05 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.03 ZC 1.00 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.04 HH 1.00* HN 1.00* ! KK 1.00* KP 1.15 LA 1.03 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.08 SC 0.94 WZ 1.04 ZC 1.15 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.93 FD 1.01 HH 1.00* HN 1.02 ! KK 1.00* KP 1.04 LA 1.01 MK 1.00* ! NL 1.00 NY 0.95 ON 1.09 OV 1.00* ! PT 1.04 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HH 1.00* HN 1.01 ! KK 0.97 KP 0.96 LA 0.96 MK 1.03 ! NL 0.95 NY 0.98 ON 1.07 OV 0.97 ! PT 0.96 SC 0.99 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.02 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.08 ZC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.04 HH 1.00* HN 1.00* ! KK 1.00* KP 1.08 LA 1.02 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 0.95 WZ 1.01 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.02 HH 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 1.00 MK 1.00* ! NL 0.97 NY 0.99 ON 1.03 OV 1.00* ! PT 1.04 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 1.00* HN 1.01 ! KK 1.04 KP 1.00 LA 1.01 MK 1.04 ! NL 0.98 NY 0.99 ON 1.03 OV 1.02 ! PT 0.97 SC 1.03 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.04 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.95 ON 1.03 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.02 ZC 1.02 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.04 HH 1.00* HN 1.00* ! KK 1.00* KP 1.13 LA 1.04 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.09 SC 1.00 WZ 0.99 ZC 1.15 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.03 HH 1.00* HN 1.03 ! KK 1.00* KP 1.03 LA 1.05 MK 1.00* ! NL 1.00 NY 0.94 ON 1.07 OV 1.00* ! PT 1.04 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 1.01 ! KK 1.01 KP 1.00 LA 0.99 MK 1.06 ! NL 1.00 NY 1.00 ON 1.03 OV 1.01 ! PT 0.96 SC 1.04 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.20 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.04 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.02 HH 1.00* HN 1.00* ! KK 1.00* KP 1.12 LA 1.03 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.07 SC 1.01 WZ 0.98 ZC 1.18 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.04 HH 1.00* HN 1.02 ! KK 1.00* KP 1.01 LA 1.03 MK 1.00* ! NL 1.02 NY 1.00 ON 1.04 OV 1.00* ! PT 1.05 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.184271Jy sigma=0.001404 ! Fit after self-cal, rms=0.175319Jy sigma=0.001272 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.111 mas, bmaj=1.236 mas, bpa=29.88 degrees ! Estimated noise=526.901 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 = -0.0022264 Jy ! Component: 100 - total flux cleaned = -0.00245327 Jy ! Component: 150 - total flux cleaned = -0.00264571 Jy ! Component: 200 - total flux cleaned = -0.00264646 Jy ! Total flux subtracted in 200 components = -0.00264646 Jy ! Clean residual min=-0.005382 max=0.006050 Jy/beam ! Clean residual mean=0.000092 rms=0.001297 Jy/beam ! Combined flux in latest and established models = 1.29006 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 29 components and 1.29006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175196Jy sigma=0.001271 ! Fit after self-cal, rms=0.175208Jy sigma=0.001271 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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=0.175208Jy sigma=0.001271 ! Fit after self-cal, rms=0.174252Jy sigma=0.001239 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.11 mas, bmaj=1.235 mas, bpa=30.12 degrees ! Estimated noise=526.691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100736 Jy ! Component: 100 - total flux cleaned = 0.000793498 Jy ! Component: 150 - total flux cleaned = 0.000793398 Jy ! Component: 200 - total flux cleaned = 0.000739058 Jy ! Total flux subtracted in 200 components = 0.000739058 Jy ! Clean residual min=-0.003309 max=0.003911 Jy/beam ! Clean residual mean=0.000032 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 1.2908 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 31 components and 1.2908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174173Jy sigma=0.001239 ! Fit after self-cal, rms=0.174168Jy sigma=0.001238 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 (4.8, 11.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262006 Jy ! Component: 100 - total flux cleaned = 0.0028944 Jy ! Component: 150 - total flux cleaned = 0.00319406 Jy ! Component: 200 - total flux cleaned = 0.00332012 Jy ! Total flux subtracted in 200 components = 0.00332012 Jy ! Clean residual min=-0.003332 max=0.003704 Jy/beam ! Clean residual mean=-0.000005 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 1.29412 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 43 components and 1.29412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174077Jy sigma=0.001237 ! Fit after self-cal, rms=0.174063Jy sigma=0.001237 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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=0.174063Jy sigma=0.001237 ! Fit after self-cal, rms=0.173865Jy sigma=0.001231 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.11 mas, bmaj=1.236 mas, bpa=30.37 degrees ! Estimated noise=526.727 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000442525 Jy ! Component: 100 - total flux cleaned = 0.000379457 Jy ! Component: 150 - total flux cleaned = 0.00043318 Jy ! Component: 200 - total flux cleaned = 0.000434348 Jy ! Total flux subtracted in 200 components = 0.000434348 Jy ! Clean residual min=-0.002656 max=0.002693 Jy/beam ! Clean residual mean=0.000035 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 1.29455 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 1.29455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173820Jy sigma=0.001231 ! Fit after self-cal, rms=0.173816Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 = 0.000203498 Jy ! Component: 100 - total flux cleaned = 0.000247393 Jy ! Component: 150 - total flux cleaned = 0.000204698 Jy ! Component: 200 - total flux cleaned = 0.00020501 Jy ! Total flux subtracted in 200 components = 0.00020501 Jy ! Clean residual min=-0.002626 max=0.002585 Jy/beam ! Clean residual mean=0.000033 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 1.29476 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 1.29476 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173789Jy sigma=0.001231 ! Fit after self-cal, rms=0.173785Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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=0.173785Jy sigma=0.001231 ! Fit after self-cal, rms=0.173941Jy sigma=0.001231 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=2.433 mas, bmaj=2.787 mas, bpa=65 degrees ! Estimated noise=629.451 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000250794 Jy ! Component: 100 - total flux cleaned = 0.000289681 Jy ! Component: 150 - total flux cleaned = 0.000256109 Jy ! Component: 200 - total flux cleaned = 0.000285865 Jy ! Total flux subtracted in 200 components = 0.000285865 Jy ! Clean residual min=-0.002677 max=0.002431 Jy/beam ! Clean residual mean=0.000057 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 1.29504 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 57 components and 1.29504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173928Jy sigma=0.001230 ! Fit after self-cal, rms=0.173918Jy sigma=0.001230 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 = 2.37638e-06 Jy ! Component: 100 - total flux cleaned = 4.16539e-06 Jy ! Component: 150 - total flux cleaned = 3.34333e-05 Jy ! Component: 200 - total flux cleaned = 3.38477e-05 Jy ! Total flux subtracted in 200 components = 3.38477e-05 Jy ! Clean residual min=-0.002640 max=0.002394 Jy/beam ! Clean residual mean=0.000057 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 1.29508 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 1.29508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173915Jy sigma=0.001230 ! Fit after self-cal, rms=0.173909Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.111 mas, bmaj=1.236 mas, bpa=30.58 degrees ! Estimated noise=526.754 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.111 x 1.236 at 30.58 degrees (North through East) ! Clean map min=-0.0023744 max=1.1815 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=0.173909Jy sigma=0.001230 ! Fit after self-cal, rms=0.163090Jy sigma=0.001097 ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.11 mas, bmaj=1.237 mas, bpa=30.71 degrees ! Estimated noise=526.509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000175878 Jy ! Component: 100 - total flux cleaned = 0.000127972 Jy ! Component: 150 - total flux cleaned = 8.56923e-05 Jy ! Component: 200 - total flux cleaned = 4.66738e-05 Jy ! Total flux subtracted in 200 components = 4.66738e-05 Jy ! Clean residual min=-0.002210 max=0.002450 Jy/beam ! Clean residual mean=0.000028 rms=0.000619 Jy/beam ! Combined flux in latest and established models = 1.29512 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 1.29512 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163061Jy sigma=0.001097 ! Fit after self-cal, rms=0.163061Jy sigma=0.001097 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.51089e-05 Jy ! Component: 100 - total flux cleaned = 4.46446e-05 Jy ! Component: 150 - total flux cleaned = 4.32482e-05 Jy ! Component: 200 - total flux cleaned = 1.03198e-05 Jy ! Total flux subtracted in 200 components = 1.03198e-05 Jy ! Clean residual min=-0.002226 max=0.002452 Jy/beam ! Clean residual mean=0.000027 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 1.29513 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 66 components and 1.29513 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163042Jy sigma=0.001096 ! Fit after self-cal, rms=0.163042Jy sigma=0.001096 ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163042Jy sigma=0.001096 ! Fit after self-cal, rms=0.163128Jy sigma=0.001096 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 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=0.7113 mas, bmaj=0.8879 mas, bpa=5.52 degrees ! Estimated noise=1187.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.867764 Jy ! Component: 100 - total flux cleaned = 1.07834 Jy ! Component: 150 - total flux cleaned = 1.16946 Jy ! Component: 200 - total flux cleaned = 1.2178 Jy ! Total flux subtracted in 200 components = 1.2178 Jy ! Clean residual min=-0.008865 max=0.023528 Jy/beam ! Clean residual mean=0.000031 rms=0.002213 Jy/beam ! Combined flux in latest and established models = 1.2178 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.2178 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.111 mas, bmaj=1.237 mas, bpa=30.76 degrees ! Estimated noise=526.48 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 = 0.0394568 Jy ! Component: 100 - total flux cleaned = 0.0566003 Jy ! Component: 150 - total flux cleaned = 0.0647029 Jy ! Component: 200 - total flux cleaned = 0.0692354 Jy ! Total flux subtracted in 200 components = 0.0692354 Jy ! Clean residual min=-0.002664 max=0.004581 Jy/beam ! Clean residual mean=0.000106 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 1.28704 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 1.28704 Jy ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Added new window around map position (1, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00396956 Jy ! Component: 100 - total flux cleaned = 0.0050336 Jy ! Component: 150 - total flux cleaned = 0.00578158 Jy ! Component: 200 - total flux cleaned = 0.00620593 Jy ! Total flux subtracted in 200 components = 0.00620593 Jy ! Clean residual min=-0.002404 max=0.002641 Jy/beam ! Clean residual mean=0.000042 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 1.29324 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 51 components and 1.29324 Jy ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 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 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=2.433 mas, bmaj=2.788 mas, bpa=64.91 degrees ! Estimated noise=629.188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00131624 Jy ! Component: 100 - total flux cleaned = 0.0016291 Jy ! Component: 150 - total flux cleaned = 0.00187672 Jy ! Component: 200 - total flux cleaned = 0.002075 Jy ! Total flux subtracted in 200 components = 0.002075 Jy ! Clean residual min=-0.002137 max=0.002219 Jy/beam ! Clean residual mean=0.000040 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 1.29532 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 = 0.000135302 Jy ! Component: 100 - total flux cleaned = 0.000268554 Jy ! Component: 150 - total flux cleaned = 0.00030605 Jy ! Component: 200 - total flux cleaned = 0.000339351 Jy ! Total flux subtracted in 200 components = 0.000339351 Jy ! Clean residual min=-0.002062 max=0.002212 Jy/beam ! Clean residual mean=0.000033 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 1.29566 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 1.29566 Jy ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! Estimated beam: bmin=1.111 mas, bmaj=1.237 mas, bpa=30.76 degrees ! Estimated noise=526.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000519709 Jy ! Component: 100 - total flux cleaned = -0.000248993 Jy ! Component: 150 - total flux cleaned = -0.000121099 Jy ! Component: 200 - total flux cleaned = -2.36442e-06 Jy ! Total flux subtracted in 200 components = -2.36442e-06 Jy ! Clean residual min=-0.002345 max=0.002428 Jy/beam ! Clean residual mean=0.000018 rms=0.000603 Jy/beam ! Combined flux in latest and established models = 1.29565 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 79 components and 1.29565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163546Jy sigma=0.001098 ! Fit after self-cal, rms=0.163499Jy sigma=0.001098 wmodel J0958+4725_X_2008_04_02_pus_map.mod ! Writing 79 model components to file: J0958+4725_X_2008_04_02_pus_map.mod wobs J0958+4725_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0958+4725_X_2008_04_02_pus_uvs.fits wwins J0958+4725_X_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0958+4725_X_2008_04_02_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 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000275791 Jy ! Component: 100 - total flux cleaned = 0.000317956 Jy ! Component: 150 - total flux cleaned = 0.000159453 Jy ! Component: 200 - total flux cleaned = 0.000120307 Jy ! Component: 250 - total flux cleaned = 0.000157237 Jy ! Component: 300 - total flux cleaned = 0.00022998 Jy ! Component: 350 - total flux cleaned = 0.000194236 Jy ! Component: 400 - total flux cleaned = 0.000264581 Jy ! Component: 450 - total flux cleaned = 0.000160473 Jy ! Component: 500 - total flux cleaned = 0.000160735 Jy ! Component: 550 - total flux cleaned = 0.000126721 Jy ! Component: 600 - total flux cleaned = -7.30248e-06 Jy ! Component: 650 - total flux cleaned = -0.000106289 Jy ! Component: 700 - total flux cleaned = -0.000171825 Jy ! Component: 750 - total flux cleaned = -0.000268909 Jy ! Component: 800 - total flux cleaned = -0.000332943 Jy ! Component: 850 - total flux cleaned = -0.0003961 Jy ! Component: 900 - total flux cleaned = -0.000458929 Jy ! Component: 950 - total flux cleaned = -0.000551711 Jy ! Component: 1000 - total flux cleaned = -0.00049037 Jy ! Component: 1050 - total flux cleaned = -0.000551689 Jy ! Component: 1100 - total flux cleaned = -0.0006119 Jy ! Component: 1150 - total flux cleaned = -0.000581795 Jy ! Component: 1200 - total flux cleaned = -0.000671122 Jy ! Component: 1250 - total flux cleaned = -0.000641568 Jy ! Component: 1300 - total flux cleaned = -0.000729657 Jy ! Component: 1350 - total flux cleaned = -0.000729344 Jy ! Component: 1400 - total flux cleaned = -0.000816033 Jy ! Component: 1450 - total flux cleaned = -0.000873429 Jy ! Component: 1500 - total flux cleaned = -0.000902002 Jy ! Component: 1550 - total flux cleaned = -0.000958752 Jy ! Component: 1600 - total flux cleaned = -0.00107113 Jy ! Component: 1650 - total flux cleaned = -0.00104314 Jy ! Component: 1700 - total flux cleaned = -0.00109864 Jy ! Component: 1750 - total flux cleaned = -0.00112632 Jy ! Component: 1800 - total flux cleaned = -0.00115362 Jy ! Component: 1850 - total flux cleaned = -0.00112643 Jy ! Component: 1900 - total flux cleaned = -0.00112629 Jy ! Component: 1950 - total flux cleaned = -0.00112624 Jy ! Component: 2000 - total flux cleaned = -0.00109945 Jy ! Total flux subtracted in 2048 components = -0.00107295 Jy ! Clean residual min=-0.001770 max=0.001407 Jy/beam ! Clean residual mean=0.000000 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 1.29458 Jy keep ! Adding 151 model components to the UV plane model. ! The established model now contains 230 components and 1.29458 Jy wmap "J0958+4725_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.111 x 1.237 at 30.76 degrees (North through East) ! Clean map min=-0.002005 max=1.1816 Jy/beam ! Writing clean map to FITS file: J0958+4725_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.18158 invert ! Inverting map ! Your choice of large map pixels excluded 0.507% of the data. ! The x-axis pixel size should ideally be below 0.1711 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000473298 device "J0958+4725_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0958+4725_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.120169 0.120169 0.240337 0.480675 0.961349 1.9227 3.8454 7.69079 15.3816 30.7632 61.5264 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.181 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.111 x 1.237 at 30.76 degrees (North through East) ! Clean map min=-0.002005 max=1.1816 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0958+4725_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0958+4725_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0958+4725_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:47:44 2010