! Started logfile: J1957-3845_S_2003_05_07_pus_uvs.log on Sat Dec 23 02:19:04 2006 obs J1957-3845_S_2003_05_07_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2003_05_07_pus_uva.fits ! AN table 1: 96 integrations on 171 of 171 possible baselines. ! AN table 2: 211 integrations on 171 of 171 possible baselines. ! AN table 3: 300 integrations on 171 of 171 possible baselines. ! AN table 4: 19 integrations on 171 of 171 possible baselines. ! AN table 5: 302 integrations on 171 of 171 possible baselines. ! AN table 6: 12 integrations on 171 of 171 possible baselines. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.0500933 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1676 lines of history. ! ! Reading 32208 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 float field_size field_size = 512 float field_cell field_cell = 0.5 float taper_size taper_size = 20. 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 0.500x0.500 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 1713 telescope corrections were flagged in sub-array 1. ! A total of 3075 telescope corrections were flagged in sub-array 2. ! A total of 5191 telescope corrections were flagged in sub-array 3. ! A total of 361 telescope corrections were flagged in sub-array 4. ! A total of 4745 telescope corrections were flagged in sub-array 5. ! A total of 181 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 1713 telescope corrections were flagged in sub-array 1. ! A total of 3075 telescope corrections were flagged in sub-array 2. ! A total of 5200 telescope corrections were flagged in sub-array 3. ! A total of 361 telescope corrections were flagged in sub-array 4. ! A total of 4745 telescope corrections were flagged in sub-array 5. ! A total of 181 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 1713 telescope corrections were flagged in sub-array 1. ! A total of 3075 telescope corrections were flagged in sub-array 2. ! A total of 5200 telescope corrections were flagged in sub-array 3. ! A total of 361 telescope corrections were flagged in sub-array 4. ! A total of 4745 telescope corrections were flagged in sub-array 5. ! A total of 181 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 4. ! A total of 1713 telescope corrections were flagged in sub-array 1. ! A total of 3075 telescope corrections were flagged in sub-array 2. ! A total of 5200 telescope corrections were flagged in sub-array 3. ! A total of 361 telescope corrections were flagged in sub-array 4. ! A total of 4745 telescope corrections were flagged in sub-array 5. ! A total of 181 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=1.246152Jy sigma=0.006143 ! Fit after self-cal, rms=0.699559Jy sigma=0.003208 ! 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=2.205 mas, bmaj=3.601 mas, bpa=3.055 degrees ! Estimated noise=1923.86 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 = 1.03255 Jy ! Component: 100 - total flux cleaned = 1.26358 Jy ! Total flux subtracted in 100 components = 1.26358 Jy ! Clean residual min=-0.056202 max=0.082338 Jy/beam ! Clean residual mean=0.000378 rms=0.013359 Jy/beam ! Combined flux in latest and established models = 1.26358 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.26358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.605078Jy sigma=0.002146 ! Fit after self-cal, rms=0.605106Jy sigma=0.002146 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0894135 Jy ! Component: 100 - total flux cleaned = 0.136605 Jy ! Total flux subtracted in 100 components = 0.136605 Jy ! Clean residual min=-0.044510 max=0.059672 Jy/beam ! Clean residual mean=0.000128 rms=0.011323 Jy/beam ! Combined flux in latest and established models = 1.40018 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 1.40018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590185Jy sigma=0.001891 ! Fit after self-cal, rms=0.590412Jy sigma=0.001891 ! 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=2.918 mas, bmaj=6.311 mas, bpa=-7.837 degrees ! Estimated noise=687.956 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 (-6.5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.066097 Jy ! Component: 100 - total flux cleaned = 0.0969809 Jy ! Component: 150 - total flux cleaned = 0.108893 Jy ! Component: 200 - total flux cleaned = 0.112553 Jy ! Total flux subtracted in 200 components = 0.112553 Jy ! Clean residual min=-0.025186 max=0.058054 Jy/beam ! Clean residual mean=-0.000453 rms=0.007639 Jy/beam ! Combined flux in latest and established models = 1.51274 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 30 components and 1.51274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.583969Jy sigma=0.001791 ! Fit after self-cal, rms=0.582954Jy sigma=0.001775 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GG 1.00* HN 1.00* ! KK 1.05 KP 0.97 LA 1.04 MA 1.00* ! MC 1.00* MK 0.96 NL 1.14 ON 1.00* ! OV 1.00 PT 1.02 SC 0.96 TC 1.08 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 150 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 GG 1.00* HN 1.00* ! KK 1.01 KP 0.96 LA 1.02 MA 1.00* ! MC 1.00* MK 1.00 NL 1.15 ON 1.00* ! OV 1.04 PT 0.99 SC 0.96 TC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00 GG 1.00* HN 1.00* ! KK 1.00* KP 1.01 LA 1.04 MA 1.00* ! MC 1.00* MK 1.00* NL 1.13 ON 1.00* ! OV 1.00* PT 1.06 SC 0.90 TC 1.08 ! TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 0.94 LA 1.12 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.99 PT 1.06 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 GG 1.00* HN 1.00* ! KK 1.09 KP 0.96 LA 0.97 MA 1.00* ! MC 1.00* MK 1.02 NL 1.17 ON 1.00* ! OV 1.01 PT 1.01 SC 0.97 TC 1.07 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 GG 1.00* HN 1.00* ! KK 1.03 KP 0.95 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00 NL 1.20 ON 1.00* ! OV 1.04 PT 0.98 SC 1.00 TC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.03 GG 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.99 MA 1.00* ! MC 1.00* MK 1.00* NL 1.15 ON 1.00* ! OV 1.00* PT 1.03 SC 0.90 TC 1.06 ! TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 1.00 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 1.00 PT 1.04 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.02 KP 0.97 LA 0.96 MA 1.00* ! MC 1.00* MK 0.95 NL 1.16 ON 1.00* ! OV 1.04 PT 1.00 SC 1.10 TC 0.96 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 0.97 KP 0.95 LA 0.95 MA 1.00* ! MC 1.00* MK 0.95 NL 1.16 ON 1.00* ! OV 1.01 PT 0.98 SC 1.14 TC 0.95 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.15 ON 1.00* ! OV 1.00* PT 1.03 SC 1.03 TC 0.91 ! TS 1.00* WF 1.03 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 1.00 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.90 PT 1.07 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 111 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GG 1.00* HN 1.00* ! KK 1.03 KP 0.96 LA 0.96 MA 1.00* ! MC 1.00* MK 0.99 NL 1.07 ON 1.00* ! OV 0.92 PT 0.95 SC 1.09 TC 0.90 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 141 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.93 GG 1.00* HN 1.00* ! KK 0.95 KP 0.94 LA 0.94 MA 1.00* ! MC 1.00* MK 0.98 NL 1.09 ON 1.00* ! OV 0.73 PT 0.95 SC 1.12 TC 0.85 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00* NL 1.08 ON 1.00* ! OV 1.00* PT 0.97 SC 1.03 TC 0.97 ! TS 1.00* WF 1.05 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00* ON 1.00* ! OV 0.42 PT 1.02 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.582954Jy sigma=0.001775 ! Fit after self-cal, rms=0.449373Jy sigma=0.001545 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.927 mas, bmaj=6.816 mas, bpa=-7.49 degrees ! Estimated noise=687.811 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 = -0.00249406 Jy ! Component: 100 - total flux cleaned = -0.00275629 Jy ! Component: 150 - total flux cleaned = -0.00318386 Jy ! Component: 200 - total flux cleaned = -0.00319479 Jy ! Total flux subtracted in 200 components = -0.00319479 Jy ! Clean residual min=-0.009069 max=0.011566 Jy/beam ! Clean residual mean=-0.000321 rms=0.002976 Jy/beam ! Combined flux in latest and established models = 1.50954 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 49 components and 1.50954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.449002Jy sigma=0.001542 ! Fit after self-cal, rms=0.449269Jy sigma=0.001541 ! 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=0.449269Jy sigma=0.001541 ! Fit after self-cal, rms=0.444607Jy sigma=0.001514 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.927 mas, bmaj=6.804 mas, bpa=-7.467 degrees ! Estimated noise=689.298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00135879 Jy ! Component: 100 - total flux cleaned = -0.00199638 Jy ! Component: 150 - total flux cleaned = -0.00250302 Jy ! Component: 200 - total flux cleaned = -0.00249909 Jy ! Total flux subtracted in 200 components = -0.00249909 Jy ! Clean residual min=-0.008259 max=0.009128 Jy/beam ! Clean residual mean=-0.000167 rms=0.002396 Jy/beam ! Combined flux in latest and established models = 1.50704 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 1.50704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.444359Jy sigma=0.001513 ! Fit after self-cal, rms=0.444294Jy sigma=0.001513 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 = -0.000753248 Jy ! Component: 100 - total flux cleaned = -0.000754333 Jy ! Component: 150 - total flux cleaned = -0.000884227 Jy ! Component: 200 - total flux cleaned = -0.000754293 Jy ! Total flux subtracted in 200 components = -0.000754293 Jy ! Clean residual min=-0.007584 max=0.009149 Jy/beam ! Clean residual mean=-0.000158 rms=0.002354 Jy/beam ! Combined flux in latest and established models = 1.50629 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 1.50629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.444146Jy sigma=0.001512 ! Fit after self-cal, rms=0.444119Jy sigma=0.001512 ! 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=0.444119Jy sigma=0.001512 ! Fit after self-cal, rms=0.433418Jy sigma=0.001465 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.925 mas, bmaj=6.793 mas, bpa=-7.422 degrees ! Estimated noise=690.205 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000629063 Jy ! Component: 100 - total flux cleaned = -0.000354666 Jy ! Component: 150 - total flux cleaned = 0.000246517 Jy ! Component: 200 - total flux cleaned = 0.000356979 Jy ! Total flux subtracted in 200 components = 0.000356979 Jy ! Clean residual min=-0.005623 max=0.006617 Jy/beam ! Clean residual mean=0.000035 rms=0.001614 Jy/beam ! Combined flux in latest and established models = 1.50664 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 59 components and 1.50664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433241Jy sigma=0.001464 ! Fit after self-cal, rms=0.433264Jy sigma=0.001464 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 = -0.000622195 Jy ! Component: 100 - total flux cleaned = -0.000520603 Jy ! Component: 150 - total flux cleaned = -0.000321958 Jy ! Component: 200 - total flux cleaned = -0.000137912 Jy ! Total flux subtracted in 200 components = -0.000137912 Jy ! Clean residual min=-0.005305 max=0.006389 Jy/beam ! Clean residual mean=0.000037 rms=0.001578 Jy/beam ! Combined flux in latest and established models = 1.50651 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 61 components and 1.50651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433167Jy sigma=0.001463 ! Fit after self-cal, rms=0.433140Jy sigma=0.001463 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.433140Jy sigma=0.001463 ! Fit after self-cal, rms=0.432794Jy sigma=0.001462 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.564 mas, bmaj=26.62 mas, bpa=-6.054 degrees ! Estimated noise=839.241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000156734 Jy ! Component: 100 - total flux cleaned = 0.000245345 Jy ! Component: 150 - total flux cleaned = 0.000556534 Jy ! Component: 200 - total flux cleaned = 0.000765362 Jy ! Total flux subtracted in 200 components = 0.000765362 Jy ! Clean residual min=-0.005210 max=0.007288 Jy/beam ! Clean residual mean=0.000042 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 1.50727 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 72 components and 1.50727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.432765Jy sigma=0.001462 ! Fit after self-cal, rms=0.432759Jy sigma=0.001462 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 = -0.00018947 Jy ! Component: 100 - total flux cleaned = -2.02227e-06 Jy ! Component: 150 - total flux cleaned = 0.000166296 Jy ! Component: 200 - total flux cleaned = 0.000269317 Jy ! Total flux subtracted in 200 components = 0.000269317 Jy ! Clean residual min=-0.005009 max=0.006914 Jy/beam ! Clean residual mean=0.000037 rms=0.002049 Jy/beam ! Combined flux in latest and established models = 1.50754 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 78 components and 1.50754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.432739Jy sigma=0.001462 ! Fit after self-cal, rms=0.432732Jy sigma=0.001462 ! 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=2.921 mas, bmaj=6.783 mas, bpa=-7.408 degrees ! Estimated noise=690.509 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.921 x 6.783 at -7.408 degrees (North through East) ! Clean map min=-0.0088619 max=1.3541 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=0.432732Jy sigma=0.001462 ! Fit after self-cal, rms=0.435031Jy sigma=0.001191 ! Inverting map and beam ! Estimated beam: bmin=2.923 mas, bmaj=6.774 mas, bpa=-7.382 degrees ! Estimated noise=690.208 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000774091 Jy ! Component: 100 - total flux cleaned = -0.000300914 Jy ! Component: 150 - total flux cleaned = 0.000151826 Jy ! Component: 200 - total flux cleaned = 0.000465806 Jy ! Total flux subtracted in 200 components = 0.000465806 Jy ! Clean residual min=-0.004561 max=0.005190 Jy/beam ! Clean residual mean=-0.000059 rms=0.001334 Jy/beam ! Combined flux in latest and established models = 1.50801 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 88 components and 1.50801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434906Jy sigma=0.001190 ! Fit after self-cal, rms=0.434871Jy sigma=0.001190 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000524244 Jy ! Component: 100 - total flux cleaned = -0.000375689 Jy ! Component: 150 - total flux cleaned = -0.000309896 Jy ! Component: 200 - total flux cleaned = -0.000248817 Jy ! Total flux subtracted in 200 components = -0.000248817 Jy ! Clean residual min=-0.004420 max=0.004988 Jy/beam ! Clean residual mean=-0.000056 rms=0.001319 Jy/beam ! Combined flux in latest and established models = 1.50776 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 96 components and 1.50776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434812Jy sigma=0.001190 ! Fit after self-cal, rms=0.434793Jy sigma=0.001190 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434793Jy sigma=0.001190 ! Fit after self-cal, rms=0.435032Jy sigma=0.001189 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=2.215 mas, bmaj=4.241 mas, bpa=3.01 degrees ! Estimated noise=1735.68 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.03676 Jy ! Component: 100 - total flux cleaned = 1.26718 Jy ! Component: 150 - total flux cleaned = 1.35529 Jy ! Component: 200 - total flux cleaned = 1.40416 Jy ! Total flux subtracted in 200 components = 1.40416 Jy ! Clean residual min=-0.013688 max=0.023878 Jy/beam ! Clean residual mean=0.000184 rms=0.004001 Jy/beam ! Combined flux in latest and established models = 1.40416 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 8 model components to the UV plane model. ! The established model now contains 8 components and 1.40416 Jy ! Inverting map and beam ! Estimated beam: bmin=2.92 mas, bmaj=6.769 mas, bpa=-7.38 degrees ! Estimated noise=689.732 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 = 0.0469887 Jy ! Component: 100 - total flux cleaned = 0.0713332 Jy ! Component: 150 - total flux cleaned = 0.085051 Jy ! Component: 200 - total flux cleaned = 0.0929733 Jy ! Total flux subtracted in 200 components = 0.0929733 Jy ! Clean residual min=-0.004803 max=0.006084 Jy/beam ! Clean residual mean=0.000041 rms=0.001734 Jy/beam ! Combined flux in latest and established models = 1.49713 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 1.49713 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.555 mas, bmaj=26.61 mas, bpa=-6.048 degrees ! Estimated noise=840.223 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00644632 Jy ! Component: 100 - total flux cleaned = 0.00902535 Jy ! Component: 150 - total flux cleaned = 0.00929894 Jy ! Component: 200 - total flux cleaned = 0.00947761 Jy ! Total flux subtracted in 200 components = 0.00947761 Jy ! Clean residual min=-0.004037 max=0.006158 Jy/beam ! Clean residual mean=-0.000121 rms=0.001962 Jy/beam ! Combined flux in latest and established models = 1.50661 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 = 0.000161322 Jy ! Component: 100 - total flux cleaned = 0.000304918 Jy ! Component: 150 - total flux cleaned = 0.000436222 Jy ! Component: 200 - total flux cleaned = 0.000554521 Jy ! Total flux subtracted in 200 components = 0.000554521 Jy ! Clean residual min=-0.003977 max=0.005897 Jy/beam ! Clean residual mean=-0.000133 rms=0.001902 Jy/beam ! Combined flux in latest and established models = 1.50716 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 59 components and 1.50716 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.92 mas, bmaj=6.769 mas, bpa=-7.38 degrees ! Estimated noise=689.732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000794252 Jy ! Component: 100 - total flux cleaned = -0.000573772 Jy ! Component: 150 - total flux cleaned = -0.000574626 Jy ! Component: 200 - total flux cleaned = -0.000575805 Jy ! Total flux subtracted in 200 components = -0.000575805 Jy ! Clean residual min=-0.004024 max=0.004901 Jy/beam ! Clean residual mean=-0.000059 rms=0.001285 Jy/beam ! Combined flux in latest and established models = 1.50659 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 69 components and 1.50659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.435104Jy sigma=0.001190 ! Fit after self-cal, rms=0.434858Jy sigma=0.001190 wmodel J1957-3845_S_2003_05_07_pus_map.mod ! Writing 69 model components to file: J1957-3845_S_2003_05_07_pus_map.mod wobs J1957-3845_S_2003_05_07_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2003_05_07_pus_uvs.fits wwins J1957-3845_S_2003_05_07_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_S_2003_05_07_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 = 0.0023023 Jy ! Component: 100 - total flux cleaned = 0.00364808 Jy ! Component: 150 - total flux cleaned = 0.00400974 Jy ! Component: 200 - total flux cleaned = 0.00407815 Jy ! Component: 250 - total flux cleaned = 0.00420616 Jy ! Component: 300 - total flux cleaned = 0.00426737 Jy ! Component: 350 - total flux cleaned = 0.00426856 Jy ! Component: 400 - total flux cleaned = 0.00421248 Jy ! Component: 450 - total flux cleaned = 0.00410186 Jy ! Component: 500 - total flux cleaned = 0.00399379 Jy ! Component: 550 - total flux cleaned = 0.00383419 Jy ! Component: 600 - total flux cleaned = 0.00362633 Jy ! Component: 650 - total flux cleaned = 0.00362656 Jy ! Component: 700 - total flux cleaned = 0.00367722 Jy ! Component: 750 - total flux cleaned = 0.00377556 Jy ! Component: 800 - total flux cleaned = 0.00382459 Jy ! Component: 850 - total flux cleaned = 0.00382415 Jy ! Component: 900 - total flux cleaned = 0.00377699 Jy ! Component: 950 - total flux cleaned = 0.00377692 Jy ! Component: 1000 - total flux cleaned = 0.00368573 Jy ! Component: 1050 - total flux cleaned = 0.00368584 Jy ! Component: 1100 - total flux cleaned = 0.00364114 Jy ! Component: 1150 - total flux cleaned = 0.00359741 Jy ! Component: 1200 - total flux cleaned = 0.00355437 Jy ! Component: 1250 - total flux cleaned = 0.00355432 Jy ! Component: 1300 - total flux cleaned = 0.00338398 Jy ! Component: 1350 - total flux cleaned = 0.00334224 Jy ! Component: 1400 - total flux cleaned = 0.00330083 Jy ! Component: 1450 - total flux cleaned = 0.00317684 Jy ! Component: 1500 - total flux cleaned = 0.00297237 Jy ! Component: 1550 - total flux cleaned = 0.00280997 Jy ! Component: 1600 - total flux cleaned = 0.00256858 Jy ! Component: 1650 - total flux cleaned = 0.00252914 Jy ! Component: 1700 - total flux cleaned = 0.00237054 Jy ! Component: 1750 - total flux cleaned = 0.00217356 Jy ! Component: 1800 - total flux cleaned = 0.0020169 Jy ! Component: 1850 - total flux cleaned = 0.00174551 Jy ! Component: 1900 - total flux cleaned = 0.00163021 Jy ! Component: 1950 - total flux cleaned = 0.0014392 Jy ! Component: 2000 - total flux cleaned = 0.00136315 Jy ! Total flux subtracted in 2048 components = 0.00113724 Jy ! Clean residual min=-0.002381 max=0.001882 Jy/beam ! Clean residual mean=-0.000073 rms=0.000703 Jy/beam ! Combined flux in latest and established models = 1.50773 Jy keep ! Adding 128 model components to the UV plane model. ! The established model now contains 196 components and 1.50773 Jy wmap "J1957-3845_S_2003_05_07_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.92 x 6.769 at -7.38 degrees (North through East) ! Clean map min=-0.0044237 max=1.3627 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2003_05_07_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.36272 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000703237 device "J1957-3845_S_2003_05_07_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2003_05_07_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.154816 0.154816 0.309633 0.619265 1.23853 2.47706 4.95412 9.90824 19.8165 39.633 79.2659 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.362 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.92 x 6.769 at -7.38 degrees (North through East) ! Clean map min=-0.0044237 max=1.3627 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2003_05_07_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2003_05_07_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2003_05_07_pus_uvs.log closed on Sat Dec 23 02:22:46 2006