! Started logfile: J1257-3155_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:22:53 2010 obs J1257-3155_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J1257-3155_X_2007_12_05_pus_uva.fits ! AN table 1: 20 integrations on 136 of 136 possible baselines. ! AN table 2: 44 integrations on 136 of 136 possible baselines. ! AN table 3: 11 integrations on 136 of 136 possible baselines. ! AN table 4: 35 integrations on 136 of 136 possible baselines. ! AN table 5: 28 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.045503 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1257-3155 ! ! 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 3416 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 236 telescope corrections were flagged in sub-array 1. ! A total of 543 telescope corrections were flagged in sub-array 2. ! A total of 187 telescope corrections were flagged in sub-array 3. ! A total of 595 telescope corrections were flagged in sub-array 4. ! A total of 416 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 543 telescope corrections were flagged in sub-array 2. ! A total of 187 telescope corrections were flagged in sub-array 3. ! A total of 595 telescope corrections were flagged in sub-array 4. ! A total of 416 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 543 telescope corrections were flagged in sub-array 2. ! A total of 187 telescope corrections were flagged in sub-array 3. ! A total of 595 telescope corrections were flagged in sub-array 4. ! A total of 416 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 543 telescope corrections were flagged in sub-array 2. ! A total of 187 telescope corrections were flagged in sub-array 3. ! A total of 595 telescope corrections were flagged in sub-array 4. ! A total of 416 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.617855Jy sigma=0.005818 ! Fit after self-cal, rms=0.298861Jy sigma=0.002616 ! 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=0.8032 mas, bmaj=4.286 mas, bpa=3.658 degrees ! Estimated noise=2192.04 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 = 0.616809 Jy ! Component: 100 - total flux cleaned = 0.819613 Jy ! Total flux subtracted in 100 components = 0.819613 Jy ! Clean residual min=-0.041267 max=0.088804 Jy/beam ! Clean residual mean=-0.001889 rms=0.015462 Jy/beam ! Combined flux in latest and established models = 0.819613 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.819613 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245672Jy sigma=0.002229 ! Fit after self-cal, rms=0.245674Jy sigma=0.002228 ! 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=1.183 mas, bmaj=5.474 mas, bpa=3.029 degrees ! Estimated noise=1393.49 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 = 0.116451 Jy ! Component: 100 - total flux cleaned = 0.158653 Jy ! Component: 150 - total flux cleaned = 0.173518 Jy ! Component: 200 - total flux cleaned = 0.173904 Jy ! Total flux subtracted in 200 components = 0.173904 Jy ! Clean residual min=-0.035402 max=0.032104 Jy/beam ! Clean residual mean=-0.011409 rms=0.009752 Jy/beam ! Combined flux in latest and established models = 0.993517 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 42 components and 0.993517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194698Jy sigma=0.001793 ! Fit after self-cal, rms=0.194631Jy sigma=0.001793 ! 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 0.93 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.91 MK 1.00* ! NL 1.22 NY 1.00* ON 1.00* OV 0.90 ! PT 0.90 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 HH 1.00* HN 1.02 ! KB 1.00* KP 0.98 LA 1.03 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 0.99 ! PT 0.98 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 0.00* 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 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 0.90 LA 0.90 MK 1.00* ! NL 1.21 NY 1.00* ON 1.00* OV 0.88 ! PT 0.95 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.03 ! KB 1.00* KP 0.94 LA 1.01 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 0.96 ! PT 1.03 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 0.00* 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 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.93 MK 1.00* ! NL 1.21 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 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.09 ! KB 1.00* KP 0.97 LA 1.04 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! 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 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 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KP 0.92 LA 0.95 MK 1.00* ! NL 1.24 NY 1.00* ON 1.00* OV 0.94 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 30 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 1.01 ! KB 1.00* KP 0.99 LA 1.02 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.01 ! PT 1.04 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 0.00* 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 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! 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* ! ! ! Fit before self-cal, rms=0.194631Jy sigma=0.001793 ! Fit after self-cal, rms=0.168930Jy sigma=0.001214 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.122 mas, bmaj=7.268 mas, bpa=-12.15 degrees ! Estimated noise=1539.39 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 (4, 8.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0280399 Jy ! Component: 100 - total flux cleaned = 0.0413223 Jy ! Component: 150 - total flux cleaned = 0.0457223 Jy ! Component: 200 - total flux cleaned = 0.0481577 Jy ! Total flux subtracted in 200 components = 0.0481577 Jy ! Clean residual min=-0.010271 max=0.010995 Jy/beam ! Clean residual mean=-0.000399 rms=0.003208 Jy/beam ! Combined flux in latest and established models = 1.04167 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 101 components and 1.04168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164469Jy sigma=0.001161 ! Fit after self-cal, rms=0.164165Jy sigma=0.001157 ! 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=0.164165Jy sigma=0.001157 ! Fit after self-cal, rms=0.163169Jy sigma=0.001153 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.117 mas, bmaj=7.262 mas, bpa=-12.16 degrees ! Estimated noise=1536.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00942087 Jy ! Component: 100 - total flux cleaned = 0.0115629 Jy ! Component: 150 - total flux cleaned = 0.0123218 Jy ! Component: 200 - total flux cleaned = 0.0129858 Jy ! Total flux subtracted in 200 components = 0.0129858 Jy ! Clean residual min=-0.008053 max=0.007790 Jy/beam ! Clean residual mean=-0.000267 rms=0.002323 Jy/beam ! Combined flux in latest and established models = 1.05466 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 127 components and 1.05466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162313Jy sigma=0.001147 ! Fit after self-cal, rms=0.162203Jy sigma=0.001146 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 = 0.00275405 Jy ! Component: 100 - total flux cleaned = 0.00348928 Jy ! Component: 150 - total flux cleaned = 0.00387802 Jy ! Component: 200 - total flux cleaned = 0.0039994 Jy ! Total flux subtracted in 200 components = 0.0039994 Jy ! Clean residual min=-0.008486 max=0.006775 Jy/beam ! Clean residual mean=-0.000254 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 1.05866 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 142 components and 1.05866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161784Jy sigma=0.001144 ! Fit after self-cal, rms=0.161739Jy sigma=0.001144 ! 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=0.161739Jy sigma=0.001144 ! Fit after self-cal, rms=0.160747Jy sigma=0.001138 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=7.27 mas, bpa=-12.12 degrees ! Estimated noise=1535.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00236297 Jy ! Component: 100 - total flux cleaned = 0.00239116 Jy ! Component: 150 - total flux cleaned = 0.00227432 Jy ! Component: 200 - total flux cleaned = 0.00216314 Jy ! Total flux subtracted in 200 components = 0.00216314 Jy ! Clean residual min=-0.007376 max=0.005615 Jy/beam ! Clean residual mean=-0.000155 rms=0.001908 Jy/beam ! Combined flux in latest and established models = 1.06082 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 166 components and 1.06082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160385Jy sigma=0.001136 ! Fit after self-cal, rms=0.160352Jy sigma=0.001136 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 = 0.00123063 Jy ! Component: 100 - total flux cleaned = 0.00122846 Jy ! Component: 150 - total flux cleaned = 0.00131302 Jy ! Component: 200 - total flux cleaned = 0.00131197 Jy ! Total flux subtracted in 200 components = 0.00131197 Jy ! Clean residual min=-0.007328 max=0.005070 Jy/beam ! Clean residual mean=-0.000150 rms=0.001833 Jy/beam ! Combined flux in latest and established models = 1.06214 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 179 components and 1.06214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160127Jy sigma=0.001135 ! Fit after self-cal, rms=0.160109Jy sigma=0.001135 ! 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=0.160109Jy sigma=0.001135 ! Fit after self-cal, rms=0.160057Jy sigma=0.001134 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.829 mas, bmaj=8.257 mas, bpa=-8.456 degrees ! Estimated noise=1534.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0029882 Jy ! Component: 100 - total flux cleaned = 0.00275129 Jy ! Component: 150 - total flux cleaned = 0.00254591 Jy ! Component: 200 - total flux cleaned = 0.00235992 Jy ! Total flux subtracted in 200 components = 0.00235992 Jy ! Clean residual min=-0.006497 max=0.004073 Jy/beam ! Clean residual mean=-0.000133 rms=0.001729 Jy/beam ! Combined flux in latest and established models = 1.0645 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 196 components and 1.0645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159954Jy sigma=0.001134 ! Fit after self-cal, rms=0.159931Jy sigma=0.001133 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 = 0.00083584 Jy ! Component: 100 - total flux cleaned = 0.000593004 Jy ! Component: 150 - total flux cleaned = 0.000423415 Jy ! Component: 200 - total flux cleaned = 0.000319702 Jy ! Total flux subtracted in 200 components = 0.000319702 Jy ! Clean residual min=-0.006464 max=0.003910 Jy/beam ! Clean residual mean=-0.000130 rms=0.001687 Jy/beam ! Combined flux in latest and established models = 1.06482 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 211 components and 1.06482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159849Jy sigma=0.001133 ! Fit after self-cal, rms=0.159837Jy sigma=0.001133 ! 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=2.115 mas, bmaj=7.276 mas, bpa=-12.1 degrees ! Estimated noise=1535.6 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.115 x 7.276 at -12.1 degrees (North through East) ! Clean map min=-0.0075468 max=0.88914 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=0.159837Jy sigma=0.001133 ! Fit after self-cal, rms=0.147404Jy sigma=0.000985 ! Inverting map and beam ! Estimated beam: bmin=2.114 mas, bmaj=7.284 mas, bpa=-12.11 degrees ! Estimated noise=1536.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000300566 Jy ! Component: 100 - total flux cleaned = 0.000123427 Jy ! Component: 150 - total flux cleaned = 4.62384e-05 Jy ! Component: 200 - total flux cleaned = 4.38303e-05 Jy ! Total flux subtracted in 200 components = 4.38303e-05 Jy ! Clean residual min=-0.006239 max=0.004476 Jy/beam ! Clean residual mean=-0.000096 rms=0.001565 Jy/beam ! Combined flux in latest and established models = 1.06486 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 226 components and 1.06486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147200Jy sigma=0.000984 ! Fit after self-cal, rms=0.147193Jy sigma=0.000984 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000447964 Jy ! Component: 100 - total flux cleaned = 0.000386755 Jy ! Component: 150 - total flux cleaned = 0.000451912 Jy ! Component: 200 - total flux cleaned = 0.00051131 Jy ! Total flux subtracted in 200 components = 0.00051131 Jy ! Clean residual min=-0.006124 max=0.004428 Jy/beam ! Clean residual mean=-0.000092 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 1.06537 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 237 components and 1.06537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147055Jy sigma=0.000984 ! Fit after self-cal, rms=0.147053Jy sigma=0.000984 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147053Jy sigma=0.000984 ! Fit after self-cal, rms=0.147115Jy sigma=0.000984 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=1.629 mas, bmaj=5.881 mas, bpa=-13.68 degrees ! Estimated noise=2131.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.673923 Jy ! Component: 100 - total flux cleaned = 0.863176 Jy ! Component: 150 - total flux cleaned = 0.93918 Jy ! Component: 200 - total flux cleaned = 0.977528 Jy ! Total flux subtracted in 200 components = 0.977528 Jy ! Clean residual min=-0.014266 max=0.019709 Jy/beam ! Clean residual mean=-0.000642 rms=0.005064 Jy/beam ! Combined flux in latest and established models = 0.977528 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.977528 Jy ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=7.287 mas, bpa=-12.1 degrees ! Estimated noise=1536.11 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 = 0.0291194 Jy ! Component: 100 - total flux cleaned = 0.0471657 Jy ! Component: 150 - total flux cleaned = 0.0594678 Jy ! Component: 200 - total flux cleaned = 0.0683458 Jy ! Total flux subtracted in 200 components = 0.0683458 Jy ! Clean residual min=-0.007021 max=0.009339 Jy/beam ! Clean residual mean=-0.000189 rms=0.002256 Jy/beam ! Combined flux in latest and established models = 1.04587 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 112 components and 1.04587 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=2.83 mas, bmaj=8.272 mas, bpa=-8.449 degrees ! Estimated noise=1534.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00739812 Jy ! Component: 100 - total flux cleaned = 0.0122628 Jy ! Component: 150 - total flux cleaned = 0.0143994 Jy ! Component: 200 - total flux cleaned = 0.0157531 Jy ! Total flux subtracted in 200 components = 0.0157531 Jy ! Clean residual min=-0.005996 max=0.005412 Jy/beam ! Clean residual mean=-0.000127 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 1.06163 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 = 0.000770923 Jy ! Component: 100 - total flux cleaned = 0.00121482 Jy ! Component: 150 - total flux cleaned = 0.00146642 Jy ! Component: 200 - total flux cleaned = 0.00178585 Jy ! Total flux subtracted in 200 components = 0.00178585 Jy ! Clean residual min=-0.005940 max=0.004805 Jy/beam ! Clean residual mean=-0.000120 rms=0.001654 Jy/beam ! Combined flux in latest and established models = 1.06341 Jy ! Adding 101 model components to the UV plane model. ! The established model now contains 190 components and 1.06341 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=7.287 mas, bpa=-12.1 degrees ! Estimated noise=1536.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000763676 Jy ! Component: 100 - total flux cleaned = -0.000765205 Jy ! Component: 150 - total flux cleaned = -0.000491826 Jy ! Component: 200 - total flux cleaned = -0.000235923 Jy ! Total flux subtracted in 200 components = -0.000235923 Jy ! Clean residual min=-0.006021 max=0.005282 Jy/beam ! Clean residual mean=-0.000096 rms=0.001594 Jy/beam ! Combined flux in latest and established models = 1.06318 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 209 components and 1.06318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147264Jy sigma=0.000985 ! Fit after self-cal, rms=0.147179Jy sigma=0.000984 wmodel J1257-3155_X_2007_12_05_pus_map.mod ! Writing 209 model components to file: J1257-3155_X_2007_12_05_pus_map.mod wobs J1257-3155_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J1257-3155_X_2007_12_05_pus_uvs.fits wwins J1257-3155_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J1257-3155_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 = -0.00255245 Jy ! Component: 100 - total flux cleaned = -0.00387955 Jy ! Component: 150 - total flux cleaned = -0.00513477 Jy ! Component: 200 - total flux cleaned = -0.00649019 Jy ! Component: 250 - total flux cleaned = -0.0074918 Jy ! Component: 300 - total flux cleaned = -0.00851078 Jy ! Component: 350 - total flux cleaned = -0.00918414 Jy ! Component: 400 - total flux cleaned = -0.00947942 Jy ! Component: 450 - total flux cleaned = -0.00953584 Jy ! Component: 500 - total flux cleaned = -0.00964763 Jy ! Component: 550 - total flux cleaned = -0.00981084 Jy ! Component: 600 - total flux cleaned = -0.00991678 Jy ! Component: 650 - total flux cleaned = -0.00981404 Jy ! Component: 700 - total flux cleaned = -0.00991598 Jy ! Component: 750 - total flux cleaned = -0.00996515 Jy ! Component: 800 - total flux cleaned = -0.00986877 Jy ! Component: 850 - total flux cleaned = -0.00977439 Jy ! Component: 900 - total flux cleaned = -0.00963529 Jy ! Component: 950 - total flux cleaned = -0.00949959 Jy ! Component: 1000 - total flux cleaned = -0.00954408 Jy ! Component: 1050 - total flux cleaned = -0.00950046 Jy ! Component: 1100 - total flux cleaned = -0.00958639 Jy ! Component: 1150 - total flux cleaned = -0.00971179 Jy ! Component: 1200 - total flux cleaned = -0.00962843 Jy ! Component: 1250 - total flux cleaned = -0.00975163 Jy ! Component: 1300 - total flux cleaned = -0.00991299 Jy ! Component: 1350 - total flux cleaned = -0.0100327 Jy ! Component: 1400 - total flux cleaned = -0.0102295 Jy ! Component: 1450 - total flux cleaned = -0.0103848 Jy ! Component: 1500 - total flux cleaned = -0.0106149 Jy ! Component: 1550 - total flux cleaned = -0.0107284 Jy ! Component: 1600 - total flux cleaned = -0.0108782 Jy ! Component: 1650 - total flux cleaned = -0.011026 Jy ! Component: 1700 - total flux cleaned = -0.0112084 Jy ! Component: 1750 - total flux cleaned = -0.0112082 Jy ! Component: 1800 - total flux cleaned = -0.0112796 Jy ! Component: 1850 - total flux cleaned = -0.0113506 Jy ! Component: 1900 - total flux cleaned = -0.0115258 Jy ! Component: 1950 - total flux cleaned = -0.0115953 Jy ! Component: 2000 - total flux cleaned = -0.0116297 Jy ! Total flux subtracted in 2048 components = -0.0117662 Jy ! Clean residual min=-0.002018 max=0.002427 Jy/beam ! Clean residual mean=-0.000012 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 1.05141 Jy keep ! Adding 114 model components to the UV plane model. ! The established model now contains 323 components and 1.05141 Jy wmap "J1257-3155_X_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.115 x 7.287 at -12.1 degrees (North through East) ! Clean map min=-0.0042413 max=0.88334 Jy/beam ! Writing clean map to FITS file: J1257-3155_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 0.883343 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000751166 device "J1257-3155_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1257-3155_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25511 0.25511 0.51022 1.02044 2.04088 4.08176 8.16353 16.3271 32.6541 65.3082 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.883 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.115 x 7.287 at -12.1 degrees (North through East) ! Clean map min=-0.0042413 max=0.88334 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1257-3155_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1257-3155_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1257-3155_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:22:58 2010