! Started logfile: J0457-2324_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:16:50 2010 obs J0457-2324_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2007_12_05_pus_uva.fits ! AN table 1: 15 integrations on 136 of 136 possible baselines. ! AN table 2: 34 integrations on 136 of 136 possible baselines. ! AN table 3: 66 integrations on 136 of 136 possible baselines. ! AN table 4: 80 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0576546 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1501 lines of history. ! ! Reading 6116 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 228 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 925 telescope corrections were flagged in sub-array 3. ! A total of 999 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 925 telescope corrections were flagged in sub-array 3. ! A total of 999 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 925 telescope corrections were flagged in sub-array 3. ! A total of 999 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 379 telescope corrections were flagged in sub-array 2. ! A total of 1014 telescope corrections were flagged in sub-array 3. ! A total of 999 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.496949Jy sigma=0.012185 ! Fit after self-cal, rms=0.895298Jy sigma=0.007570 ! 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 0.457% of the data. ! The x-axis pixel size should ideally be below 0.1972 milli-arcsec ! Estimated beam: bmin=0.8505 mas, bmaj=1.327 mas, bpa=-81.66 degrees ! Estimated noise=2316.39 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.45762 Jy ! Component: 100 - total flux cleaned = 1.81122 Jy ! Total flux subtracted in 100 components = 1.81122 Jy ! Clean residual min=-0.107031 max=0.212180 Jy/beam ! Clean residual mean=0.000632 rms=0.027386 Jy/beam ! Combined flux in latest and established models = 1.81122 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 1.81122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.408490Jy sigma=0.003089 ! Fit after self-cal, rms=0.408480Jy sigma=0.003089 ! Inverting map ! Your choice of large map pixels excluded 0.457% of the data. ! The x-axis pixel size should ideally be below 0.1972 milli-arcsec ! Added new window around map position (-1, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.196748 Jy ! Component: 100 - total flux cleaned = 0.298065 Jy ! Total flux subtracted in 100 components = 0.298065 Jy ! Clean residual min=-0.083413 max=0.115280 Jy/beam ! Clean residual mean=-0.000513 rms=0.017013 Jy/beam ! Combined flux in latest and established models = 2.10929 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 2.10929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354595Jy sigma=0.002546 ! Fit after self-cal, rms=0.351619Jy sigma=0.002521 ! Inverting map ! Your choice of large map pixels excluded 0.457% of the data. ! The x-axis pixel size should ideally be below 0.1972 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 0.457% of the data. ! The x-axis pixel size should ideally be below 0.1972 milli-arcsec ! Estimated beam: bmin=1.555 mas, bmaj=1.931 mas, bpa=-53.45 degrees ! Estimated noise=1236.96 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 = -0.0533789 Jy ! Component: 100 - total flux cleaned = -0.0605847 Jy ! Component: 150 - total flux cleaned = -0.0590426 Jy ! Component: 200 - total flux cleaned = -0.0591928 Jy ! Total flux subtracted in 200 components = -0.0591928 Jy ! Clean residual min=-0.081804 max=0.077737 Jy/beam ! Clean residual mean=-0.000948 rms=0.023612 Jy/beam ! Combined flux in latest and established models = 2.0501 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 2.0501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330055Jy sigma=0.002356 ! Fit after self-cal, rms=0.329617Jy sigma=0.002354 ! Inverting map ! Your choice of large map pixels excluded 0.457% of the data. ! The x-axis pixel size should ideally be below 0.1972 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HH 1.00* HN 1.16 ! KB 1.00* KP 0.93 LA 0.94 MK 1.00* ! NL 0.96 NY 1.00* ON 1.00* OV 0.92 ! PT 0.91 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.93 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.99 OV 1.00* ! PT 1.00* SV 1.00* TS 1.00* WZ 1.08 ! ZC 1.00 ! ! A total of 24 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.01 HH 1.00* HN 0.98 ! KB 1.00* KP 0.94 LA 1.07 MK 1.00* ! NL 1.11 NY 1.00* ON 1.00* OV 1.00* ! PT 1.09 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 HH 1.00* HN 1.18 ! KB 1.00* KP 0.89 LA 0.93 MK 1.00* ! NL 0.95 NY 1.00* ON 1.00* OV 0.90 ! PT 0.96 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.97 OV 1.00* ! PT 1.00* SV 1.00* TS 1.00* WZ 1.05 ! ZC 1.03 ! ! A total of 24 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00 HH 1.00* HN 1.02 ! KB 1.00* KP 0.89 LA 1.04 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 1.00* ! PT 1.16 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 HH 1.00* HN 1.20 ! KB 1.00* KP 0.93 LA 0.96 MK 1.00* ! NL 0.95 NY 1.00* ON 1.00* OV 0.95 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 117 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.96 HN 1.00* ! KB 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 0.97 OV 1.00* ! PT 1.00* SV 1.00* TS 1.00* WZ 1.02 ! ZC 1.00 ! ! A total of 24 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.01 HH 1.00* HN 1.01 ! KB 1.00* KP 0.93 LA 1.09 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 1.00* ! PT 1.18 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.98 HH 1.00* HN 1.17 ! KB 1.00* KP 0.93 LA 0.95 MK 1.00* ! NL 0.96 NY 1.00* ON 1.00* OV 0.95 ! PT 0.98 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.01 HH 1.00* HN 1.21 ! KB 1.00* KP 0.95 LA 1.06 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 1.00* ! PT 1.16 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.329617Jy sigma=0.002354 ! Fit after self-cal, rms=0.277227Jy sigma=0.001583 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.032 mas, bmaj=2.38 mas, bpa=-20.95 degrees ! Estimated noise=1294.03 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 = -0.00679477 Jy ! Component: 100 - total flux cleaned = -0.00634316 Jy ! Component: 150 - total flux cleaned = -0.00531501 Jy ! Component: 200 - total flux cleaned = -0.00410969 Jy ! Total flux subtracted in 200 components = -0.00410969 Jy ! Clean residual min=-0.023008 max=0.023998 Jy/beam ! Clean residual mean=-0.000334 rms=0.006693 Jy/beam ! Combined flux in latest and established models = 2.04599 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 2.04599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274681Jy sigma=0.001573 ! Fit after self-cal, rms=0.274324Jy sigma=0.001571 ! Inverting map 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=0.274324Jy sigma=0.001571 ! Fit after self-cal, rms=0.273517Jy sigma=0.001533 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.037 mas, bmaj=2.376 mas, bpa=-20.71 degrees ! Estimated noise=1297.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00379037 Jy ! Component: 100 - total flux cleaned = -0.00339988 Jy ! Component: 150 - total flux cleaned = -0.00258576 Jy ! Component: 200 - total flux cleaned = -0.00190072 Jy ! Total flux subtracted in 200 components = -0.00190072 Jy ! Clean residual min=-0.022306 max=0.020546 Jy/beam ! Clean residual mean=-0.000039 rms=0.005767 Jy/beam ! Combined flux in latest and established models = 2.04409 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 2.04409 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271866Jy sigma=0.001527 ! Fit after self-cal, rms=0.271628Jy sigma=0.001526 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.00202145 Jy ! Component: 100 - total flux cleaned = -0.00113799 Jy ! Component: 150 - total flux cleaned = -0.000582509 Jy ! Component: 200 - total flux cleaned = 6.66055e-05 Jy ! Total flux subtracted in 200 components = 6.66055e-05 Jy ! Clean residual min=-0.022637 max=0.020665 Jy/beam ! Clean residual mean=-0.000039 rms=0.005719 Jy/beam ! Combined flux in latest and established models = 2.04415 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 41 components and 2.04415 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270949Jy sigma=0.001525 ! Fit after self-cal, rms=0.270863Jy sigma=0.001524 ! Inverting map 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=0.270863Jy sigma=0.001524 ! Fit after self-cal, rms=0.232536Jy sigma=0.001285 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.045 mas, bmaj=2.371 mas, bpa=-20.27 degrees ! Estimated noise=1301.39 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00179243 Jy ! Component: 100 - total flux cleaned = -0.0015329 Jy ! Component: 150 - total flux cleaned = -0.001551 Jy ! Component: 200 - total flux cleaned = -0.00136941 Jy ! Total flux subtracted in 200 components = -0.00136941 Jy ! Clean residual min=-0.011693 max=0.018126 Jy/beam ! Clean residual mean=0.000035 rms=0.003665 Jy/beam ! Combined flux in latest and established models = 2.04278 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 2.04278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231560Jy sigma=0.001281 ! Fit after self-cal, rms=0.231402Jy sigma=0.001280 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (2.6, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00913056 Jy ! Component: 100 - total flux cleaned = 0.00657099 Jy ! Component: 150 - total flux cleaned = 0.00489166 Jy ! Component: 200 - total flux cleaned = 0.00420072 Jy ! Total flux subtracted in 200 components = 0.00420072 Jy ! Clean residual min=-0.011059 max=0.010453 Jy/beam ! Clean residual mean=-0.000008 rms=0.003189 Jy/beam ! Combined flux in latest and established models = 2.04699 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 2.04699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229499Jy sigma=0.001270 ! Fit after self-cal, rms=0.229375Jy sigma=0.001269 ! Inverting map 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=0.229375Jy sigma=0.001269 ! Fit after self-cal, rms=0.229300Jy sigma=0.001251 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.761 mas, bmaj=4.81 mas, bpa=-5.265 degrees ! Estimated noise=1302.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000574911 Jy ! Component: 100 - total flux cleaned = -0.00186932 Jy ! Component: 150 - total flux cleaned = -0.00230887 Jy ! Component: 200 - total flux cleaned = -0.00255611 Jy ! Total flux subtracted in 200 components = -0.00255611 Jy ! Clean residual min=-0.009062 max=0.008227 Jy/beam ! Clean residual mean=0.000037 rms=0.002636 Jy/beam ! Combined flux in latest and established models = 2.04443 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 73 components and 2.04443 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228700Jy sigma=0.001249 ! Fit after self-cal, rms=0.228643Jy sigma=0.001248 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000176667 Jy ! Component: 100 - total flux cleaned = -0.00018417 Jy ! Component: 150 - total flux cleaned = -0.00039971 Jy ! Component: 200 - total flux cleaned = -0.000694474 Jy ! Total flux subtracted in 200 components = -0.000694474 Jy ! Clean residual min=-0.008406 max=0.008003 Jy/beam ! Clean residual mean=0.000045 rms=0.002561 Jy/beam ! Combined flux in latest and established models = 2.04373 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 80 components and 2.04373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228373Jy sigma=0.001247 ! Fit after self-cal, rms=0.228343Jy sigma=0.001247 ! Inverting map 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 ! Estimated beam: bmin=2.048 mas, bmaj=2.37 mas, bpa=-19.94 degrees ! Estimated noise=1301.37 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.048 x 2.37 at -19.94 degrees (North through East) ! Clean map min=-0.010661 max=1.8192 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=0.228343Jy sigma=0.001247 ! Fit after self-cal, rms=0.202461Jy sigma=0.001002 ! Inverting map and beam ! Estimated beam: bmin=2.051 mas, bmaj=2.374 mas, bpa=-19.65 degrees ! Estimated noise=1300.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00221424 Jy ! Component: 100 - total flux cleaned = -0.00221422 Jy ! Component: 150 - total flux cleaned = -0.00235372 Jy ! Component: 200 - total flux cleaned = -0.00248297 Jy ! Total flux subtracted in 200 components = -0.00248297 Jy ! Clean residual min=-0.007970 max=0.008432 Jy/beam ! Clean residual mean=0.000030 rms=0.002361 Jy/beam ! Combined flux in latest and established models = 2.04125 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 87 components and 2.04125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202008Jy sigma=0.001001 ! Fit after self-cal, rms=0.201983Jy sigma=0.001000 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.00476e-05 Jy ! Component: 100 - total flux cleaned = -9.57969e-05 Jy ! Component: 150 - total flux cleaned = -0.000423427 Jy ! Component: 200 - total flux cleaned = -0.000524418 Jy ! Total flux subtracted in 200 components = -0.000524418 Jy ! Clean residual min=-0.007405 max=0.008334 Jy/beam ! Clean residual mean=0.000035 rms=0.002293 Jy/beam ! Combined flux in latest and established models = 2.04073 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 97 components and 2.04073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201735Jy sigma=0.000999 ! Fit after self-cal, rms=0.201726Jy sigma=0.000999 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201726Jy sigma=0.000999 ! Fit after self-cal, rms=0.202292Jy sigma=0.000999 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 ! Estimated beam: bmin=1.182 mas, bmaj=1.74 mas, bpa=85.27 degrees ! Estimated noise=2273.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.43848 Jy ! Component: 100 - total flux cleaned = 1.77202 Jy ! Component: 150 - total flux cleaned = 1.90114 Jy ! Component: 200 - total flux cleaned = 1.96706 Jy ! Total flux subtracted in 200 components = 1.96706 Jy ! Clean residual min=-0.021197 max=0.040110 Jy/beam ! Clean residual mean=0.000303 rms=0.005929 Jy/beam ! Combined flux in latest and established models = 1.96706 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.96706 Jy ! Inverting map and beam ! Estimated beam: bmin=2.054 mas, bmaj=2.374 mas, bpa=-19.42 degrees ! Estimated noise=1300.67 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) ! Added new window around map position (-1.8, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0444193 Jy ! Component: 100 - total flux cleaned = 0.0663256 Jy ! Component: 150 - total flux cleaned = 0.0768837 Jy ! Component: 200 - total flux cleaned = 0.0776622 Jy ! Total flux subtracted in 200 components = 0.0776622 Jy ! Clean residual min=-0.010343 max=0.010002 Jy/beam ! Clean residual mean=-0.000009 rms=0.002577 Jy/beam ! Combined flux in latest and established models = 2.04472 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 51 components and 2.04472 Jy ! Inverting map 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 ! Estimated beam: bmin=2.764 mas, bmaj=4.811 mas, bpa=-5.083 degrees ! Estimated noise=1300.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000504469 Jy ! Component: 100 - total flux cleaned = -0.000693982 Jy ! Component: 150 - total flux cleaned = -0.0012104 Jy ! Component: 200 - total flux cleaned = -0.00197142 Jy ! Total flux subtracted in 200 components = -0.00197142 Jy ! Clean residual min=-0.007161 max=0.007470 Jy/beam ! Clean residual mean=0.000003 rms=0.002260 Jy/beam ! Combined flux in latest and established models = 2.04275 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 = -0.000530779 Jy ! Component: 100 - total flux cleaned = -0.00113505 Jy ! Component: 150 - total flux cleaned = -0.00168467 Jy ! Component: 200 - total flux cleaned = -0.002096 Jy ! Total flux subtracted in 200 components = -0.002096 Jy ! Clean residual min=-0.006633 max=0.007340 Jy/beam ! Clean residual mean=0.000025 rms=0.002180 Jy/beam ! Combined flux in latest and established models = 2.04065 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 92 components and 2.04065 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.054 mas, bmaj=2.374 mas, bpa=-19.42 degrees ! Estimated noise=1300.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000165002 Jy ! Component: 100 - total flux cleaned = -0.000886719 Jy ! Component: 150 - total flux cleaned = -0.00138929 Jy ! Component: 200 - total flux cleaned = -0.00170703 Jy ! Total flux subtracted in 200 components = -0.00170703 Jy ! Clean residual min=-0.008139 max=0.008998 Jy/beam ! Clean residual mean=0.000033 rms=0.002209 Jy/beam ! Combined flux in latest and established models = 2.03895 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 105 components and 2.03895 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202706Jy sigma=0.001000 ! Fit after self-cal, rms=0.202563Jy sigma=0.000999 wmodel J0457-2324_X_2007_12_05_pus_map.mod ! Writing 105 model components to file: J0457-2324_X_2007_12_05_pus_map.mod wobs J0457-2324_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2007_12_05_pus_uvs.fits wwins J0457-2324_X_2007_12_05_pus_map.win ! wwins: Wrote 4 windows to J0457-2324_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028352 Jy ! Component: 100 - total flux cleaned = 0.00493589 Jy ! Component: 150 - total flux cleaned = 0.00651861 Jy ! Component: 200 - total flux cleaned = 0.00777956 Jy ! Component: 250 - total flux cleaned = 0.00788636 Jy ! Component: 300 - total flux cleaned = 0.00778139 Jy ! Component: 350 - total flux cleaned = 0.00717443 Jy ! Component: 400 - total flux cleaned = 0.00678593 Jy ! Component: 450 - total flux cleaned = 0.00650173 Jy ! Component: 500 - total flux cleaned = 0.0061321 Jy ! Component: 550 - total flux cleaned = 0.00595237 Jy ! Component: 600 - total flux cleaned = 0.00568633 Jy ! Component: 650 - total flux cleaned = 0.00534036 Jy ! Component: 700 - total flux cleaned = 0.00491714 Jy ! Component: 750 - total flux cleaned = 0.00450338 Jy ! Component: 800 - total flux cleaned = 0.00425936 Jy ! Component: 850 - total flux cleaned = 0.00393971 Jy ! Component: 900 - total flux cleaned = 0.00354713 Jy ! Component: 950 - total flux cleaned = 0.00331591 Jy ! Component: 1000 - total flux cleaned = 0.00300987 Jy ! Component: 1050 - total flux cleaned = 0.00270767 Jy ! Component: 1100 - total flux cleaned = 0.0024837 Jy ! Component: 1150 - total flux cleaned = 0.00211651 Jy ! Component: 1200 - total flux cleaned = 0.0018993 Jy ! Component: 1250 - total flux cleaned = 0.00168446 Jy ! Component: 1300 - total flux cleaned = 0.00140113 Jy ! Component: 1350 - total flux cleaned = 0.00119241 Jy ! Component: 1400 - total flux cleaned = 0.000847967 Jy ! Component: 1450 - total flux cleaned = 0.000575617 Jy ! Component: 1500 - total flux cleaned = 0.000307052 Jy ! Component: 1550 - total flux cleaned = 0.000108128 Jy ! Component: 1600 - total flux cleaned = -8.88931e-05 Jy ! Component: 1650 - total flux cleaned = -8.92963e-05 Jy ! Component: 1700 - total flux cleaned = -0.00034701 Jy ! Component: 1750 - total flux cleaned = -0.000410635 Jy ! Component: 1800 - total flux cleaned = -0.000787951 Jy ! Component: 1850 - total flux cleaned = -0.000787669 Jy ! Component: 1900 - total flux cleaned = -0.000788261 Jy ! Component: 1950 - total flux cleaned = -0.0011556 Jy ! Component: 2000 - total flux cleaned = -0.00115466 Jy ! Total flux subtracted in 2048 components = -0.00121516 Jy ! Clean residual min=-0.003912 max=0.003588 Jy/beam ! Clean residual mean=0.000043 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 2.03773 Jy keep ! Adding 123 model components to the UV plane model. ! The established model now contains 227 components and 2.03773 Jy wmap "J0457-2324_X_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.054 x 2.374 at -19.42 degrees (North through East) ! Clean map min=-0.0085081 max=1.7917 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.79171 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00121772 device "J0457-2324_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.203893 0.203893 0.407785 0.815571 1.63114 3.26228 6.52457 13.0491 26.0983 52.1965 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.791 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.054 x 2.374 at -19.42 degrees (North through East) ! Clean map min=-0.0085081 max=1.7917 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:16:54 2010