! Started logfile: J1041+523A_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:16:31 2011 obs J1041+523A_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1041+523A_X_2010_10_13_pus_uva.fits ! AN table 1: 143 integrations on 105 of 105 possible baselines. ! AN table 2: 36 integrations on 105 of 105 possible baselines. ! AN table 3: 144 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.346395 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1041+523A ! ! 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 5978 lines of history. ! ! Reading 46992 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 J1041+523A_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 238 telescope corrections were flagged in sub-array 2. ! A total of 635 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 238 telescope corrections were flagged in sub-array 2. ! A total of 635 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 238 telescope corrections were flagged in sub-array 2. ! A total of 635 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1563 telescope corrections were flagged in sub-array 1. ! A total of 238 telescope corrections were flagged in sub-array 2. ! A total of 635 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.848260Jy sigma=0.010099 ! Fit after self-cal, rms=0.821740Jy sigma=0.009764 ! 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 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.5399 mas, bmaj=0.793 mas, bpa=-15.72 degrees ! Estimated noise=746.583 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 = 0.146484 Jy ! Component: 100 - total flux cleaned = 0.218088 Jy ! Total flux subtracted in 100 components = 0.218088 Jy ! Clean residual min=-0.011753 max=0.035173 Jy/beam ! Clean residual mean=0.000539 rms=0.003997 Jy/beam ! Combined flux in latest and established models = 0.218088 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.218088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177526Jy sigma=0.001763 ! Fit after self-cal, rms=0.175925Jy sigma=0.001750 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.04458 Jy ! Component: 100 - total flux cleaned = 0.0696365 Jy ! Total flux subtracted in 100 components = 0.0696365 Jy ! Clean residual min=-0.006971 max=0.014125 Jy/beam ! Clean residual mean=0.000312 rms=0.002174 Jy/beam ! Combined flux in latest and established models = 0.287725 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 0.287725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159333Jy sigma=0.001463 ! Fit after self-cal, rms=0.159068Jy sigma=0.001461 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163123 Jy ! Component: 100 - total flux cleaned = 0.0260852 Jy ! Total flux subtracted in 100 components = 0.0260852 Jy ! Clean residual min=-0.006382 max=0.012790 Jy/beam ! Clean residual mean=0.000226 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 0.31381 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.31381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156011Jy sigma=0.001403 ! Fit after self-cal, rms=0.155954Jy sigma=0.001402 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (0.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116055 Jy ! Component: 100 - total flux cleaned = 0.018878 Jy ! Total flux subtracted in 100 components = 0.018878 Jy ! Clean residual min=-0.006103 max=0.009462 Jy/beam ! Clean residual mean=0.000151 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 0.332688 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.332688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154215Jy sigma=0.001371 ! Fit after self-cal, rms=0.154163Jy sigma=0.001370 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6087 mas, bmaj=0.9728 mas, bpa=-19.01 degrees ! Estimated noise=285.478 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 = 0.0140889 Jy ! Component: 100 - total flux cleaned = 0.0221108 Jy ! Component: 150 - total flux cleaned = 0.0270622 Jy ! Component: 200 - total flux cleaned = 0.0301869 Jy ! Total flux subtracted in 200 components = 0.0301869 Jy ! Clean residual min=-0.003348 max=0.006959 Jy/beam ! Clean residual mean=0.000361 rms=0.001163 Jy/beam ! Combined flux in latest and established models = 0.362875 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 27 components and 0.362875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152955Jy sigma=0.001347 ! Fit after self-cal, rms=0.152890Jy sigma=0.001346 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (0.8, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.006993 Jy ! Component: 100 - total flux cleaned = 0.0101831 Jy ! Component: 150 - total flux cleaned = 0.0120257 Jy ! Component: 200 - total flux cleaned = 0.0124553 Jy ! Total flux subtracted in 200 components = 0.0124553 Jy ! Clean residual min=-0.003170 max=0.003823 Jy/beam ! Clean residual mean=0.000123 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.37533 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 48 components and 0.37533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152595Jy sigma=0.001341 ! Fit after self-cal, rms=0.152544Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 0.601% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.85 HH 1.00* HN 1.06 ! KB 1.00* KK 1.00* KP 1.00 LA 1.03 ! MK 1.00* NL 0.99 NY 1.00* OV 1.01 ! PT 1.00 SC 1.05 TS 1.18 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.87 HH 1.00* HN 1.06 ! KB 1.00* KK 1.00* KP 1.01 LA 1.01 ! MK 1.00* NL 0.99 NY 1.00* OV 0.95 ! PT 0.97 SC 0.96 TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.82 HH 1.00* HN 0.90 ! KB 1.01 KK 0.89 KP 0.99 LA 1.00 ! MK 1.02 NL 1.00 NY 1.01 OV 0.99 ! PT 0.98 SC 1.00* TS 0.94 ! ! ! Correcting IF 2. ! A total of 165 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 1.11 ! KB 1.00* KK 1.00* KP 1.01 LA 1.00 ! MK 1.00* NL 1.05 NY 1.00* OV 1.06 ! PT 1.01 SC 0.98 TS 1.16 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 HH 1.00* HN 1.06 ! KB 1.00* KK 1.00* KP 1.01 LA 0.98 ! MK 1.00* NL 1.02 NY 1.00* OV 0.99 ! PT 0.99 SC 1.06 TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.99 HH 1.00* HN 0.92 ! KB 0.98 KK 0.97 KP 1.00 LA 0.99 ! MK 1.00 NL 1.01 NY 1.05 OV 1.02 ! PT 1.01 SC 1.00* TS 0.95 ! ! ! Correcting IF 3. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HH 1.00* HN 1.15 ! KB 1.00* KK 1.00* KP 1.02 LA 0.99 ! MK 1.00* NL 0.97 NY 1.00* OV 1.04 ! PT 1.10 SC 1.05 TS 1.10 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 HH 1.00* HN 1.10 ! KB 1.00* KK 1.00* KP 1.01 LA 0.96 ! MK 1.00* NL 0.99 NY 1.00* OV 1.00 ! PT 1.04 SC 1.08 TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 HH 1.00* HN 0.93 ! KB 1.00 KK 0.97 KP 0.99 LA 0.97 ! MK 1.02 NL 0.99 NY 1.06 OV 1.01 ! PT 1.05 SC 1.00* TS 0.95 ! ! ! Correcting IF 4. ! A total of 165 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HH 1.00* HN 1.13 ! KB 1.00* KK 1.00* KP 1.05 LA 1.06 ! MK 1.00* NL 1.02 NY 1.00* OV 1.10 ! PT 1.09 SC 1.08 TS 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 HH 1.00* HN 1.10 ! KB 1.00* KK 1.00* KP 1.01 LA 1.04 ! MK 1.00* NL 1.02 NY 1.00* OV 1.02 ! PT 1.03 SC 0.94 TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 0.99 HH 1.00* HN 1.34 ! KB 0.99 KK 0.97 KP 0.99 LA 1.06 ! MK 1.01 NL 0.99 NY 1.04 OV 1.05 ! PT 0.99 SC 1.00* TS 0.86 ! ! ! Fit before self-cal, rms=0.152544Jy sigma=0.001340 ! Fit after self-cal, rms=0.154486Jy sigma=0.001324 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6057 mas, bmaj=0.9826 mas, bpa=-19.86 degrees ! Estimated noise=287.108 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 = 0.000504933 Jy ! Component: 100 - total flux cleaned = 0.000739989 Jy ! Component: 150 - total flux cleaned = 0.000839804 Jy ! Component: 200 - total flux cleaned = 0.000969648 Jy ! Total flux subtracted in 200 components = 0.000969648 Jy ! Clean residual min=-0.001468 max=0.001737 Jy/beam ! Clean residual mean=0.000012 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.3763 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 56 components and 0.3763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154437Jy sigma=0.001324 ! Fit after self-cal, rms=0.154512Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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=0.154512Jy sigma=0.001323 ! Fit after self-cal, rms=0.154852Jy sigma=0.001323 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6055 mas, bmaj=0.9834 mas, bpa=-19.9 degrees ! Estimated noise=286.969 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.50639e-05 Jy ! Component: 100 - total flux cleaned = 0.000172437 Jy ! Component: 150 - total flux cleaned = 0.000210842 Jy ! Component: 200 - total flux cleaned = 0.000281123 Jy ! Total flux subtracted in 200 components = 0.000281123 Jy ! Clean residual min=-0.001432 max=0.001503 Jy/beam ! Clean residual mean=-0.000004 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.376581 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 58 components and 0.376581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154827Jy sigma=0.001323 ! Fit after self-cal, rms=0.154831Jy sigma=0.001323 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 = 0.000104297 Jy ! Component: 100 - total flux cleaned = 0.000205439 Jy ! Component: 150 - total flux cleaned = 0.000266264 Jy ! Component: 200 - total flux cleaned = 0.000321965 Jy ! Total flux subtracted in 200 components = 0.000321965 Jy ! Clean residual min=-0.001378 max=0.001466 Jy/beam ! Clean residual mean=-0.000009 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.376903 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 0.376903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154817Jy sigma=0.001323 ! Fit after self-cal, rms=0.154813Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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=0.154813Jy sigma=0.001323 ! Fit after self-cal, rms=0.154961Jy sigma=0.001323 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6057 mas, bmaj=0.9834 mas, bpa=-19.94 degrees ! Estimated noise=286.816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103963 Jy ! Component: 100 - total flux cleaned = -7.34632e-05 Jy ! Component: 150 - total flux cleaned = 7.79939e-06 Jy ! Component: 200 - total flux cleaned = 8.14594e-05 Jy ! Total flux subtracted in 200 components = 8.14594e-05 Jy ! Clean residual min=-0.001360 max=0.001388 Jy/beam ! Clean residual mean=-0.000007 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.376984 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.376984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154950Jy sigma=0.001323 ! Fit after self-cal, rms=0.154950Jy sigma=0.001323 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 = 9.10957e-06 Jy ! Component: 100 - total flux cleaned = 8.28871e-05 Jy ! Component: 150 - total flux cleaned = 0.000127544 Jy ! Component: 200 - total flux cleaned = 0.000170734 Jy ! Total flux subtracted in 200 components = 0.000170734 Jy ! Clean residual min=-0.001361 max=0.001376 Jy/beam ! Clean residual mean=-0.000009 rms=0.000398 Jy/beam ! Combined flux in latest and established models = 0.377155 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 62 components and 0.377155 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154942Jy sigma=0.001323 ! Fit after self-cal, rms=0.154938Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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=0.154938Jy sigma=0.001323 ! Fit after self-cal, rms=0.155020Jy sigma=0.001323 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.519 mas, bmaj=3.509 mas, bpa=88.25 degrees ! Estimated noise=401.394 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000511063 Jy ! Component: 100 - total flux cleaned = 0.000465849 Jy ! Component: 150 - total flux cleaned = 0.000448805 Jy ! Component: 200 - total flux cleaned = 0.000465285 Jy ! Total flux subtracted in 200 components = 0.000465285 Jy ! Clean residual min=-0.001350 max=0.001322 Jy/beam ! Clean residual mean=-0.000030 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.37762 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 66 components and 0.37762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155020Jy sigma=0.001323 ! Fit after self-cal, rms=0.155021Jy sigma=0.001323 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 = 0.000215376 Jy ! Component: 100 - total flux cleaned = 0.000216442 Jy ! Component: 150 - total flux cleaned = 0.000229873 Jy ! Component: 200 - total flux cleaned = 0.00023017 Jy ! Total flux subtracted in 200 components = 0.00023017 Jy ! Clean residual min=-0.001327 max=0.001218 Jy/beam ! Clean residual mean=-0.000041 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.37785 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 69 components and 0.37785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155024Jy sigma=0.001323 ! Fit after self-cal, rms=0.155024Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6059 mas, bmaj=0.9833 mas, bpa=-19.96 degrees ! Estimated noise=286.747 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6059 x 0.9833 at -19.96 degrees (North through East) ! Clean map min=-0.0011446 max=0.19402 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.5455 mas, bmaj=0.8022 mas, bpa=-18.98 degrees ! Estimated noise=769.654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.149537 Jy ! Component: 100 - total flux cleaned = 0.225704 Jy ! Component: 150 - total flux cleaned = 0.268687 Jy ! Component: 200 - total flux cleaned = 0.294653 Jy ! Total flux subtracted in 200 components = 0.294653 Jy ! Clean residual min=-0.005847 max=0.014034 Jy/beam ! Clean residual mean=0.000292 rms=0.002011 Jy/beam ! Combined flux in latest and established models = 0.294653 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.294653 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6059 mas, bmaj=0.9833 mas, bpa=-19.96 degrees ! Estimated noise=286.747 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 = 0.0291339 Jy ! Component: 100 - total flux cleaned = 0.0464097 Jy ! Component: 150 - total flux cleaned = 0.0575914 Jy ! Component: 200 - total flux cleaned = 0.0650413 Jy ! Total flux subtracted in 200 components = 0.0650413 Jy ! Clean residual min=-0.001935 max=0.004511 Jy/beam ! Clean residual mean=0.000286 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.359694 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 35 components and 0.359694 Jy ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Added new window around map position (0, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00523781 Jy ! Component: 100 - total flux cleaned = 0.00891509 Jy ! Component: 150 - total flux cleaned = 0.0115756 Jy ! Component: 200 - total flux cleaned = 0.0135162 Jy ! Total flux subtracted in 200 components = 0.0135162 Jy ! Clean residual min=-0.001526 max=0.001610 Jy/beam ! Clean residual mean=0.000060 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.373211 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 54 components and 0.373211 Jy ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 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 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=2.519 mas, bmaj=3.509 mas, bpa=88.25 degrees ! Estimated noise=401.394 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250852 Jy ! Component: 100 - total flux cleaned = 0.00375092 Jy ! Component: 150 - total flux cleaned = 0.00423206 Jy ! Component: 200 - total flux cleaned = 0.00435484 Jy ! Total flux subtracted in 200 components = 0.00435484 Jy ! Clean residual min=-0.001387 max=0.001257 Jy/beam ! Clean residual mean=-0.000027 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.377566 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 = 8.72551e-05 Jy ! Component: 100 - total flux cleaned = 0.000117992 Jy ! Component: 150 - total flux cleaned = 0.000146201 Jy ! Component: 200 - total flux cleaned = 0.000172314 Jy ! Total flux subtracted in 200 components = 0.000172314 Jy ! Clean residual min=-0.001353 max=0.001214 Jy/beam ! Clean residual mean=-0.000036 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.377738 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 70 components and 0.377738 Jy ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! Estimated beam: bmin=0.6059 mas, bmaj=0.9833 mas, bpa=-19.96 degrees ! Estimated noise=286.747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000358723 Jy ! Component: 100 - total flux cleaned = -0.000292585 Jy ! Component: 150 - total flux cleaned = -0.000206156 Jy ! Component: 200 - total flux cleaned = -0.000180291 Jy ! Total flux subtracted in 200 components = -0.000180291 Jy ! Clean residual min=-0.001430 max=0.001246 Jy/beam ! Clean residual mean=-0.000012 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.377558 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 84 components and 0.377558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155010Jy sigma=0.001322 ! Fit after self-cal, rms=0.155000Jy sigma=0.001322 wmodel J1041+523A_X_2010_10_13_pus_map.mod ! Writing 84 model components to file: J1041+523A_X_2010_10_13_pus_map.mod wobs J1041+523A_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1041+523A_X_2010_10_13_pus_uvs.fits wwins J1041+523A_X_2010_10_13_pus_map.win ! wwins: Wrote 4 windows to J1041+523A_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 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000311673 Jy ! Component: 100 - total flux cleaned = -0.000290759 Jy ! Component: 150 - total flux cleaned = -0.000291823 Jy ! Component: 200 - total flux cleaned = -0.000169083 Jy ! Component: 250 - total flux cleaned = -8.92003e-05 Jy ! Component: 300 - total flux cleaned = -3.07306e-05 Jy ! Component: 350 - total flux cleaned = 4.49752e-05 Jy ! Component: 400 - total flux cleaned = 0.00011875 Jy ! Component: 450 - total flux cleaned = 0.000136731 Jy ! Component: 500 - total flux cleaned = 0.000172304 Jy ! Component: 550 - total flux cleaned = 0.000189421 Jy ! Component: 600 - total flux cleaned = 0.000189214 Jy ! Component: 650 - total flux cleaned = 0.000172516 Jy ! Component: 700 - total flux cleaned = 0.000189383 Jy ! Component: 750 - total flux cleaned = 0.000189347 Jy ! Component: 800 - total flux cleaned = 0.000173411 Jy ! Component: 850 - total flux cleaned = 0.000189551 Jy ! Component: 900 - total flux cleaned = 0.000173919 Jy ! Component: 950 - total flux cleaned = 0.000174064 Jy ! Component: 1000 - total flux cleaned = 0.000189258 Jy ! Total flux subtracted in 1024 components = 0.000158734 Jy ! Clean residual min=-0.000892 max=0.000773 Jy/beam ! Clean residual mean=-0.000017 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.377716 Jy keep ! Adding 73 model components to the UV plane model. ! The established model now contains 157 components and 0.377717 Jy ![Exited script file: muppet] wmap "J1041+523A_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6059 x 0.9833 at -19.96 degrees (North through East) ! Clean map min=-0.0012813 max=0.19116 Jy/beam ! Writing clean map to FITS file: J1041+523A_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 0.191164 invert ! Inverting map ! Your choice of large map pixels excluded 0.475% of the data. ! The x-axis pixel size should ideally be below 0.1898 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000295879 device "J1041+523A_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1041+523A_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.464333 0.464333 0.928667 1.85733 3.71467 7.42934 14.8587 29.7173 59.4347 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.191 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6059 x 0.9833 at -19.96 degrees (North through East) ! Clean map min=-0.0012813 max=0.19116 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1041+523A_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1041+523A_X_2010_10_13_pus_map.gif/vgif' mapplot cln