! Started logfile: J1924-2914_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:27:09 2010 obs J1924-2914_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_2007_12_05_pus_uva.fits ! AN table 1: 11 integrations on 136 of 136 possible baselines. ! AN table 2: 28 integrations on 136 of 136 possible baselines. ! AN table 3: 22 integrations on 136 of 136 possible baselines. ! AN table 4: 13 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0429253 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 1728 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 187 telescope corrections were flagged in sub-array 1. ! A total of 421 telescope corrections were flagged in sub-array 2. ! A total of 374 telescope corrections were flagged in sub-array 3. ! A total of 130 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 187 telescope corrections were flagged in sub-array 1. ! A total of 421 telescope corrections were flagged in sub-array 2. ! A total of 374 telescope corrections were flagged in sub-array 3. ! A total of 130 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 187 telescope corrections were flagged in sub-array 1. ! A total of 421 telescope corrections were flagged in sub-array 2. ! A total of 374 telescope corrections were flagged in sub-array 3. ! A total of 130 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 187 telescope corrections were flagged in sub-array 1. ! A total of 421 telescope corrections were flagged in sub-array 2. ! A total of 374 telescope corrections were flagged in sub-array 3. ! A total of 130 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=5.584080Jy sigma=0.059238 ! Fit after self-cal, rms=5.383009Jy sigma=0.049545 ! 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 ! Estimated beam: bmin=0.8036 mas, bmaj=4.83 mas, bpa=-17.41 degrees ! Estimated noise=2727.46 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 = 4.77791 Jy ! Component: 100 - total flux cleaned = 6.03339 Jy ! Total flux subtracted in 100 components = 6.03339 Jy ! Clean residual min=-0.245265 max=0.546246 Jy/beam ! Clean residual mean=-0.001359 rms=0.102759 Jy/beam ! Combined flux in latest and established models = 6.03339 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 6.03339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.996686Jy sigma=0.009496 ! Fit after self-cal, rms=0.996714Jy sigma=0.009493 ! Inverting map 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 ! Estimated beam: bmin=1.09 mas, bmaj=5.197 mas, bpa=-16.49 degrees ! Estimated noise=2107.25 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 = 0.707561 Jy ! Component: 100 - total flux cleaned = 1.03352 Jy ! Component: 150 - total flux cleaned = 1.19752 Jy ! Component: 200 - total flux cleaned = 1.29169 Jy ! Total flux subtracted in 200 components = 1.29169 Jy ! Clean residual min=-0.114237 max=0.166894 Jy/beam ! Clean residual mean=-0.001845 rms=0.043073 Jy/beam ! Combined flux in latest and established models = 7.32508 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 53 components and 7.32508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466065Jy sigma=0.003853 ! Fit after self-cal, rms=0.464036Jy sigma=0.003838 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 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 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.03 ! KB 1.00* KP 1.00* LA 1.03 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.00* ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KP 1.00 LA 0.98 MK 1.01 ! NL 1.04 NY 1.00* ON 1.00* OV 0.98 ! PT 0.96 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! 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 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.02 ! KB 1.00* KP 1.00* LA 1.01 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.00* ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.05 FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.97 MK 1.00 ! NL 1.01 NY 1.00* ON 1.00* OV 0.96 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! 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 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.03 ! KB 1.00* KP 1.00* LA 1.04 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.00* ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KP 0.99 LA 1.00 MK 0.99 ! NL 1.00 NY 1.00* ON 1.00* OV 1.01 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! 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 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.05 ! KB 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 1.00* ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.04 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KP 0.99 LA 0.98 MK 1.02 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.464036Jy sigma=0.003838 ! Fit after self-cal, rms=0.400601Jy sigma=0.003086 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.094 mas, bmaj=5.206 mas, bpa=-16.41 degrees ! Estimated noise=2097.78 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 = -0.0229484 Jy ! Component: 100 - total flux cleaned = -0.0244709 Jy ! Component: 150 - total flux cleaned = -0.0244494 Jy ! Component: 200 - total flux cleaned = -0.0256221 Jy ! Total flux subtracted in 200 components = -0.0256221 Jy ! Clean residual min=-0.092633 max=0.153277 Jy/beam ! Clean residual mean=-0.001244 rms=0.034415 Jy/beam ! Combined flux in latest and established models = 7.29946 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 7.29946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.387803Jy sigma=0.003012 ! Fit after self-cal, rms=0.386486Jy sigma=0.003005 ! 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=0.386486Jy sigma=0.003005 ! Fit after self-cal, rms=0.383427Jy sigma=0.003000 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.093 mas, bmaj=5.21 mas, bpa=-16.41 degrees ! Estimated noise=2095.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.019104 Jy ! Component: 100 - total flux cleaned = -0.0201785 Jy ! Component: 150 - total flux cleaned = -0.0211663 Jy ! Component: 200 - total flux cleaned = -0.0230607 Jy ! Total flux subtracted in 200 components = -0.0230607 Jy ! Clean residual min=-0.090843 max=0.148264 Jy/beam ! Clean residual mean=-0.001153 rms=0.033773 Jy/beam ! Combined flux in latest and established models = 7.27639 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 74 components and 7.27639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374956Jy sigma=0.002955 ! Fit after self-cal, rms=0.374062Jy sigma=0.002951 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 (10.2, -12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.143449 Jy ! Component: 100 - total flux cleaned = 0.20161 Jy ! Component: 150 - total flux cleaned = 0.21616 Jy ! Component: 200 - total flux cleaned = 0.23096 Jy ! Total flux subtracted in 200 components = 0.23096 Jy ! Clean residual min=-0.073335 max=0.094272 Jy/beam ! Clean residual mean=-0.000515 rms=0.024000 Jy/beam ! Combined flux in latest and established models = 7.50735 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 115 components and 7.50735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.311579Jy sigma=0.002310 ! Fit after self-cal, rms=0.305404Jy sigma=0.002281 ! 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=0.305404Jy sigma=0.002281 ! Fit after self-cal, rms=0.306548Jy sigma=0.002214 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.094 mas, bmaj=5.211 mas, bpa=-16.39 degrees ! Estimated noise=2088.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0446865 Jy ! Component: 100 - total flux cleaned = 0.0531695 Jy ! Component: 150 - total flux cleaned = 0.0587205 Jy ! Component: 200 - total flux cleaned = 0.0634987 Jy ! Total flux subtracted in 200 components = 0.0634987 Jy ! Clean residual min=-0.058753 max=0.076057 Jy/beam ! Clean residual mean=-0.000246 rms=0.020027 Jy/beam ! Combined flux in latest and established models = 7.57085 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 144 components and 7.57085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286880Jy sigma=0.002063 ! Fit after self-cal, rms=0.284355Jy sigma=0.002054 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 = 0.0191423 Jy ! Component: 100 - total flux cleaned = 0.0255185 Jy ! Component: 150 - total flux cleaned = 0.0294214 Jy ! Component: 200 - total flux cleaned = 0.0330426 Jy ! Total flux subtracted in 200 components = 0.0330426 Jy ! Clean residual min=-0.055638 max=0.069981 Jy/beam ! Clean residual mean=-0.000244 rms=0.018932 Jy/beam ! Combined flux in latest and established models = 7.6039 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 160 components and 7.6039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274616Jy sigma=0.001994 ! Fit after self-cal, rms=0.273490Jy sigma=0.001991 ! 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=0.273490Jy sigma=0.001991 ! Fit after self-cal, rms=0.273607Jy sigma=0.001968 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.52 mas, bmaj=6.68 mas, bpa=-0.393 degrees ! Estimated noise=2270.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0201128 Jy ! Component: 100 - total flux cleaned = 0.0257047 Jy ! Component: 150 - total flux cleaned = 0.0257081 Jy ! Component: 200 - total flux cleaned = 0.0283992 Jy ! Total flux subtracted in 200 components = 0.0283992 Jy ! Clean residual min=-0.053559 max=0.084707 Jy/beam ! Clean residual mean=-0.000126 rms=0.021377 Jy/beam ! Combined flux in latest and established models = 7.63229 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 191 components and 7.63229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267436Jy sigma=0.001908 ! Fit after self-cal, rms=0.265668Jy sigma=0.001903 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 = 0.00714041 Jy ! Component: 100 - total flux cleaned = 0.0105821 Jy ! Component: 150 - total flux cleaned = 0.0121372 Jy ! Component: 200 - total flux cleaned = 0.0136284 Jy ! Total flux subtracted in 200 components = 0.0136284 Jy ! Clean residual min=-0.052978 max=0.080056 Jy/beam ! Clean residual mean=-0.000143 rms=0.020453 Jy/beam ! Combined flux in latest and established models = 7.64592 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 210 components and 7.64592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261319Jy sigma=0.001870 ! Fit after self-cal, rms=0.260345Jy sigma=0.001868 ! 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=1.093 mas, bmaj=5.211 mas, bpa=-16.38 degrees ! Estimated noise=2084.75 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.093 x 5.211 at -16.38 degrees (North through East) ! Clean map min=-0.079628 max=5.7433 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=0.260345Jy sigma=0.001868 ! Fit after self-cal, rms=0.231244Jy sigma=0.001635 ! Inverting map and beam ! Estimated beam: bmin=1.092 mas, bmaj=5.213 mas, bpa=-16.38 degrees ! Estimated noise=2082.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000607326 Jy ! Component: 100 - total flux cleaned = 0.00678826 Jy ! Component: 150 - total flux cleaned = 0.0131184 Jy ! Component: 200 - total flux cleaned = 0.015335 Jy ! Total flux subtracted in 200 components = 0.015335 Jy ! Clean residual min=-0.043286 max=0.059692 Jy/beam ! Clean residual mean=-0.000032 rms=0.015258 Jy/beam ! Combined flux in latest and established models = 7.66126 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 227 components and 7.66126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222413Jy sigma=0.001585 ! Fit after self-cal, rms=0.221947Jy sigma=0.001583 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0039625 Jy ! Component: 100 - total flux cleaned = 0.00531856 Jy ! Component: 150 - total flux cleaned = 0.00724798 Jy ! Component: 200 - total flux cleaned = 0.00844695 Jy ! Total flux subtracted in 200 components = 0.00844695 Jy ! Clean residual min=-0.042128 max=0.057866 Jy/beam ! Clean residual mean=-0.000030 rms=0.014785 Jy/beam ! Combined flux in latest and established models = 7.6697 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 234 components and 7.66971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216370Jy sigma=0.001555 ! Fit after self-cal, rms=0.215969Jy sigma=0.001554 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215969Jy sigma=0.001554 ! Fit after self-cal, rms=0.214351Jy sigma=0.001547 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=0.8038 mas, bmaj=4.852 mas, bpa=-17.35 degrees ! Estimated noise=2696.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.71938 Jy ! Component: 100 - total flux cleaned = 5.94705 Jy ! Component: 150 - total flux cleaned = 6.52039 Jy ! Component: 200 - total flux cleaned = 6.81552 Jy ! Total flux subtracted in 200 components = 6.81552 Jy ! Clean residual min=-0.102177 max=0.174072 Jy/beam ! Clean residual mean=-0.000740 rms=0.039219 Jy/beam ! Combined flux in latest and established models = 6.81552 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 18 model components to the UV plane model. ! The established model now contains 18 components and 6.81552 Jy ! Inverting map and beam ! Estimated beam: bmin=1.092 mas, bmaj=5.213 mas, bpa=-16.38 degrees ! Estimated noise=2080.86 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 = 0.238814 Jy ! Component: 100 - total flux cleaned = 0.402172 Jy ! Component: 150 - total flux cleaned = 0.52277 Jy ! Component: 200 - total flux cleaned = 0.605088 Jy ! Total flux subtracted in 200 components = 0.605088 Jy ! Clean residual min=-0.066306 max=0.094567 Jy/beam ! Clean residual mean=-0.000303 rms=0.026517 Jy/beam ! Combined flux in latest and established models = 7.42061 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 75 components and 7.42061 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=2.521 mas, bmaj=6.693 mas, bpa=-0.3459 degrees ! Estimated noise=2266.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0891518 Jy ! Component: 100 - total flux cleaned = 0.131624 Jy ! Component: 150 - total flux cleaned = 0.165656 Jy ! Component: 200 - total flux cleaned = 0.193154 Jy ! Total flux subtracted in 200 components = 0.193154 Jy ! Clean residual min=-0.056778 max=0.090573 Jy/beam ! Clean residual mean=0.000140 rms=0.024954 Jy/beam ! Combined flux in latest and established models = 7.61376 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 = 0.0192487 Jy ! Component: 100 - total flux cleaned = 0.0234489 Jy ! Component: 150 - total flux cleaned = 0.0273654 Jy ! Component: 200 - total flux cleaned = 0.0321169 Jy ! Total flux subtracted in 200 components = 0.0321169 Jy ! Clean residual min=-0.048911 max=0.082355 Jy/beam ! Clean residual mean=0.000195 rms=0.021891 Jy/beam ! Combined flux in latest and established models = 7.64588 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 142 components and 7.64588 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.092 mas, bmaj=5.213 mas, bpa=-16.38 degrees ! Estimated noise=2080.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00755401 Jy ! Component: 100 - total flux cleaned = 0.0138167 Jy ! Component: 150 - total flux cleaned = 0.0180454 Jy ! Component: 200 - total flux cleaned = 0.0199526 Jy ! Total flux subtracted in 200 components = 0.0199526 Jy ! Clean residual min=-0.042413 max=0.068239 Jy/beam ! Clean residual mean=0.000050 rms=0.016020 Jy/beam ! Combined flux in latest and established models = 7.66583 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 166 components and 7.66583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222009Jy sigma=0.001622 ! Fit after self-cal, rms=0.221221Jy sigma=0.001607 wmodel J1924-2914_X_2007_12_05_pus_map.mod ! Writing 166 model components to file: J1924-2914_X_2007_12_05_pus_map.mod wobs J1924-2914_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_2007_12_05_pus_uvs.fits wwins J1924-2914_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J1924-2914_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 = 0.0265483 Jy ! Component: 100 - total flux cleaned = 0.0421934 Jy ! Component: 150 - total flux cleaned = 0.0518138 Jy ! Component: 200 - total flux cleaned = 0.0573174 Jy ! Component: 250 - total flux cleaned = 0.0623941 Jy ! Component: 300 - total flux cleaned = 0.0629965 Jy ! Component: 350 - total flux cleaned = 0.0635735 Jy ! Component: 400 - total flux cleaned = 0.0630432 Jy ! Component: 450 - total flux cleaned = 0.0640406 Jy ! Component: 500 - total flux cleaned = 0.0645224 Jy ! Component: 550 - total flux cleaned = 0.0659055 Jy ! Component: 600 - total flux cleaned = 0.0672189 Jy ! Component: 650 - total flux cleaned = 0.0680692 Jy ! Component: 700 - total flux cleaned = 0.0705032 Jy ! Component: 750 - total flux cleaned = 0.0720464 Jy ! Component: 800 - total flux cleaned = 0.0731664 Jy ! Component: 850 - total flux cleaned = 0.0749608 Jy ! Component: 900 - total flux cleaned = 0.0756572 Jy ! Component: 950 - total flux cleaned = 0.0760011 Jy ! Component: 1000 - total flux cleaned = 0.0760069 Jy ! Component: 1050 - total flux cleaned = 0.0756985 Jy ! Component: 1100 - total flux cleaned = 0.0756977 Jy ! Component: 1150 - total flux cleaned = 0.0754064 Jy ! Component: 1200 - total flux cleaned = 0.0754085 Jy ! Component: 1250 - total flux cleaned = 0.0751325 Jy ! Component: 1300 - total flux cleaned = 0.0748546 Jy ! Component: 1350 - total flux cleaned = 0.0737872 Jy ! Component: 1400 - total flux cleaned = 0.0735269 Jy ! Component: 1450 - total flux cleaned = 0.0730172 Jy ! Component: 1500 - total flux cleaned = 0.0722745 Jy ! Component: 1550 - total flux cleaned = 0.0722778 Jy ! Component: 1600 - total flux cleaned = 0.0713194 Jy ! Component: 1650 - total flux cleaned = 0.0701392 Jy ! Component: 1700 - total flux cleaned = 0.0685197 Jy ! Component: 1750 - total flux cleaned = 0.0676087 Jy ! Component: 1800 - total flux cleaned = 0.0662669 Jy ! Component: 1850 - total flux cleaned = 0.0656054 Jy ! Component: 1900 - total flux cleaned = 0.0645211 Jy ! Component: 1950 - total flux cleaned = 0.0636634 Jy ! Component: 2000 - total flux cleaned = 0.0623936 Jy ! Total flux subtracted in 2048 components = 0.0613507 Jy ! Clean residual min=-0.011978 max=0.011614 Jy/beam ! Clean residual mean=-0.000043 rms=0.004533 Jy/beam ! Combined flux in latest and established models = 7.72718 Jy keep ! Adding 143 model components to the UV plane model. ! The established model now contains 309 components and 7.72718 Jy wmap "J1924-2914_X_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.092 x 5.213 at -16.38 degrees (North through East) ! Clean map min=-0.059128 max=5.8374 Jy/beam ! Writing clean map to FITS file: J1924-2914_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 5.83735 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00454148 device "J1924-2914_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.233401 0.233401 0.466802 0.933604 1.86721 3.73442 7.46883 14.9377 29.8753 59.7507 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0136 print "peak=",int(1000*peak_flux)/1000 ! peak= 5.837 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.092 x 5.213 at -16.38 degrees (North through East) ! Clean map min=-0.059128 max=5.8374 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:27:14 2010