! Started logfile: J0927+3902_S_2003_06_18_pus_uvs.log on Tue Jan 23 22:21:36 2007 obs J0927+3902_S_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0927+3902_S_2003_06_18_pus_uva.fits ! AN table 1: 37 integrations on 153 of 153 possible baselines. ! AN table 2: 71 integrations on 153 of 153 possible baselines. ! AN table 3: 61 integrations on 153 of 153 possible baselines. ! AN table 4: 22 integrations on 153 of 153 possible baselines. ! AN table 5: 146 integrations on 153 of 153 possible baselines. ! AN table 6: 74 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0967034 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0927+3902 ! ! 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 2425 lines of history. ! ! Reading 24324 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 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 666 telescope corrections were flagged in sub-array 1. ! A total of 1050 telescope corrections were flagged in sub-array 2. ! A total of 803 telescope corrections were flagged in sub-array 3. ! A total of 396 telescope corrections were flagged in sub-array 4. ! A total of 1875 telescope corrections were flagged in sub-array 5. ! A total of 994 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 666 telescope corrections were flagged in sub-array 1. ! A total of 1050 telescope corrections were flagged in sub-array 2. ! A total of 803 telescope corrections were flagged in sub-array 3. ! A total of 396 telescope corrections were flagged in sub-array 4. ! A total of 1875 telescope corrections were flagged in sub-array 5. ! A total of 994 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 666 telescope corrections were flagged in sub-array 1. ! A total of 1050 telescope corrections were flagged in sub-array 2. ! A total of 812 telescope corrections were flagged in sub-array 3. ! A total of 396 telescope corrections were flagged in sub-array 4. ! A total of 1879 telescope corrections were flagged in sub-array 5. ! A total of 994 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 4. ! A total of 666 telescope corrections were flagged in sub-array 1. ! A total of 1050 telescope corrections were flagged in sub-array 2. ! A total of 812 telescope corrections were flagged in sub-array 3. ! A total of 396 telescope corrections were flagged in sub-array 4. ! A total of 1879 telescope corrections were flagged in sub-array 5. ! A total of 994 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=3.411329Jy sigma=0.035795 ! Fit after self-cal, rms=3.175189Jy sigma=0.033654 ! 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=2.247 mas, bmaj=3.443 mas, bpa=-8.859 degrees ! Estimated noise=907.903 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 = 2.94841 Jy ! Component: 100 - total flux cleaned = 3.83156 Jy ! Total flux subtracted in 100 components = 3.83156 Jy ! Clean residual min=-0.088141 max=0.354468 Jy/beam ! Clean residual mean=0.000288 rms=0.032210 Jy/beam ! Combined flux in latest and established models = 3.83156 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 3.83156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.858203Jy sigma=0.008717 ! Fit after self-cal, rms=0.857929Jy sigma=0.008711 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.358784 Jy ! Component: 100 - total flux cleaned = 0.540064 Jy ! Total flux subtracted in 100 components = 0.540064 Jy ! Clean residual min=-0.091637 max=0.113425 Jy/beam ! Clean residual mean=-0.000250 rms=0.020201 Jy/beam ! Combined flux in latest and established models = 4.37163 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 21 components and 4.37163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.689538Jy sigma=0.006202 ! Fit after self-cal, rms=0.689319Jy sigma=0.006198 ! 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=3.298 mas, bmaj=4.446 mas, bpa=-9.517 degrees ! Estimated noise=477.98 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 (-2.5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.128921 Jy ! Component: 100 - total flux cleaned = 0.18507 Jy ! Component: 150 - total flux cleaned = 0.202393 Jy ! Component: 200 - total flux cleaned = 0.214553 Jy ! Total flux subtracted in 200 components = 0.214553 Jy ! Clean residual min=-0.060582 max=0.070753 Jy/beam ! Clean residual mean=-0.009980 rms=0.016817 Jy/beam ! Combined flux in latest and established models = 4.58618 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 42 components and 4.58618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.674858Jy sigma=0.005808 ! Fit after self-cal, rms=0.673996Jy sigma=0.005799 ! 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* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 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 27 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 1.09 ! KK 0.97 KP 0.86 LA 0.96 MA 1.00* ! MK 1.05 NL 1.03 ON 1.00* OV 1.22 ! PT 0.96 SC 1.00* TC 1.00* TS 1.05 ! WF 0.99 WZ 1.00* ! ! A total of 3 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 0.96 ! KK 1.00* KP 0.98 LA 0.98 MA 1.00* ! MK 1.00* NL 1.00 ON 1.09 OV 1.30 ! PT 0.99 SC 0.90 TC 1.00* TS 1.00* ! WF 1.01 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* ! 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 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.07 FD 0.99 GG 1.00* HN 1.01 ! KK 1.00* KP 1.06 LA 1.00 MA 1.00* ! MK 1.00* NL 1.02 ON 1.05 OV 1.07 ! PT 1.01 SC 0.94 TC 1.00* TS 1.00* ! WF 1.41 WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 1.01 FD 1.00* GG 1.00* HN 1.12 ! KK 1.04 KP 0.89 LA 0.98 MA 1.00* ! MK 1.09 NL 1.00* ON 1.31 OV 1.46 ! PT 0.98 SC 1.00* TC 1.00* TS 1.09 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! 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* ! 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 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.95 GG 1.00* HN 1.05 ! KK 0.98 KP 0.96 LA 0.95 MA 1.00* ! MK 1.05 NL 0.92 ON 1.00* OV 1.05 ! PT 0.95 SC 1.00* TC 1.00* TS 1.04 ! WF 1.00 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.00 GG 1.00* HN 2.80 ! KK 1.00* KP 1.05 LA 0.98 MA 1.00* ! MK 1.00* NL 0.94 ON 1.01 OV 1.07 ! PT 0.99 SC 0.94 TC 1.00* TS 1.00* ! WF 0.98 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* ! 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 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.01 FD 1.00 GG 1.00* HN 1.02 ! KK 1.00* KP 1.09 LA 1.00 MA 1.00* ! MK 1.00* NL 0.96 ON 0.98 OV 0.97 ! PT 1.00 SC 0.95 TC 1.00* TS 1.00* ! WF 0.97 WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 0.96 FD 1.00* GG 1.00* HN 1.07 ! KK 1.04 KP 1.00 LA 0.99 MA 1.00* ! MK 1.04 NL 1.00* ON 1.21 OV 1.20 ! PT 0.99 SC 1.00* TC 1.00* TS 1.06 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! 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* ! 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 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.93 GG 1.00* HN 1.05 ! KK 0.96 KP 0.93 LA 0.90 MA 1.00* ! MK 1.00 NL 0.90 ON 1.00* OV 1.01 ! PT 0.94 SC 1.00* TC 1.00* TS 1.03 ! WF 0.99 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.97 GG 1.00* HN 1.00 ! KK 1.00* KP 0.99 LA 0.91 MA 1.00* ! MK 1.00* NL 0.92 ON 1.00* OV 1.07 ! PT 0.96 SC 1.05 TC 1.00* TS 1.00* ! WF 0.96 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* ! 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 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.99 FD 0.96 GG 1.00* HN 1.02 ! KK 1.00* KP 1.07 LA 0.93 MA 1.00* ! MK 1.00* NL 0.93 ON 0.94 OV 0.95 ! PT 0.98 SC 1.09 TC 1.00* TS 1.00* ! WF 0.98 WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 0.94 FD 1.00* GG 1.00* HN 1.05 ! KK 0.96 KP 0.96 LA 0.92 MA 1.00* ! MK 0.99 NL 1.00* ON 1.14 OV 1.18 ! PT 0.95 SC 1.00* TC 1.00* TS 1.04 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! 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* ! 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 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.92 GG 1.00* HN 1.16 ! KK 0.96 KP 0.93 LA 0.93 MA 1.00* ! MK 0.94 NL 0.93 ON 1.00* OV 0.98 ! PT 0.98 SC 1.00* TC 1.00* TS 1.01 ! WF 0.98 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.90 FD 0.96 GG 1.00* HN 0.98 ! KK 1.00* KP 1.00 LA 0.95 MA 1.00* ! MK 1.00* NL 0.96 ON 1.00* OV 1.01 ! PT 1.01 SC 1.03 TC 1.00* TS 1.00* ! WF 0.96 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* ! 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 6 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 0.95 FD 0.98 GG 1.00* HN 1.06 ! KK 1.00* KP 1.06 LA 0.96 MA 1.00* ! MK 1.00* NL 0.97 ON 0.91 OV 0.85 ! PT 1.03 SC 1.09 TC 1.00* TS 1.00* ! WF 0.96 WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 6. ! Telescope amplitude corrections in sub-array 6: ! BR 0.90 FD 1.00* GG 1.00* HN 1.15 ! KK 0.94 KP 0.96 LA 0.95 MA 1.00* ! MK 0.94 NL 1.00* ON 1.14 OV 1.10 ! PT 1.00 SC 1.00* TC 1.00* TS 1.02 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.673996Jy sigma=0.005799 ! Fit after self-cal, rms=0.500049Jy sigma=0.002968 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.317 mas, bmaj=4.499 mas, bpa=-10.5 degrees ! Estimated noise=479.526 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 = -0.0176 Jy ! Component: 100 - total flux cleaned = -0.0223228 Jy ! Component: 150 - total flux cleaned = -0.025861 Jy ! Component: 200 - total flux cleaned = -0.0282676 Jy ! Total flux subtracted in 200 components = -0.0282676 Jy ! Clean residual min=-0.031339 max=0.020238 Jy/beam ! Clean residual mean=-0.005348 rms=0.007472 Jy/beam ! Combined flux in latest and established models = 4.55791 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 61 components and 4.55791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.498937Jy sigma=0.002958 ! Fit after self-cal, rms=0.499721Jy sigma=0.002956 ! 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=0.499721Jy sigma=0.002956 ! Fit after self-cal, rms=0.483936Jy sigma=0.002712 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.319 mas, bmaj=4.502 mas, bpa=-10.49 degrees ! Estimated noise=478.454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0219775 Jy ! Component: 100 - total flux cleaned = -0.0347202 Jy ! Component: 150 - total flux cleaned = -0.0390375 Jy ! Component: 200 - total flux cleaned = -0.0411486 Jy ! Total flux subtracted in 200 components = -0.0411486 Jy ! Clean residual min=-0.018281 max=0.013586 Jy/beam ! Clean residual mean=-0.003173 rms=0.004316 Jy/beam ! Combined flux in latest and established models = 4.51676 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 72 components and 4.51677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.482650Jy sigma=0.002697 ! Fit after self-cal, rms=0.482586Jy sigma=0.002697 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 = -0.00225058 Jy ! Component: 100 - total flux cleaned = -0.00351256 Jy ! Component: 150 - total flux cleaned = -0.00464025 Jy ! Component: 200 - total flux cleaned = -0.00545222 Jy ! Total flux subtracted in 200 components = -0.00545222 Jy ! Clean residual min=-0.017988 max=0.013832 Jy/beam ! Clean residual mean=-0.003017 rms=0.004259 Jy/beam ! Combined flux in latest and established models = 4.51131 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 77 components and 4.51131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.482353Jy sigma=0.002693 ! Fit after self-cal, rms=0.482346Jy sigma=0.002693 ! 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=0.482346Jy sigma=0.002693 ! Fit after self-cal, rms=0.528233Jy sigma=0.002563 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.319 mas, bmaj=4.501 mas, bpa=-10.58 degrees ! Estimated noise=478.978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391542 Jy ! Component: 100 - total flux cleaned = 0.00577045 Jy ! Component: 150 - total flux cleaned = 0.00596207 Jy ! Component: 200 - total flux cleaned = 0.00578659 Jy ! Total flux subtracted in 200 components = 0.00578659 Jy ! Clean residual min=-0.006940 max=0.014432 Jy/beam ! Clean residual mean=0.000316 rms=0.002085 Jy/beam ! Combined flux in latest and established models = 4.5171 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 83 components and 4.5171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.528033Jy sigma=0.002560 ! Fit after self-cal, rms=0.528290Jy sigma=0.002560 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 (7.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112374 Jy ! Component: 100 - total flux cleaned = 0.0118248 Jy ! Component: 150 - total flux cleaned = 0.0115767 Jy ! Component: 200 - total flux cleaned = 0.0109589 Jy ! Total flux subtracted in 200 components = 0.0109589 Jy ! Clean residual min=-0.007065 max=0.007055 Jy/beam ! Clean residual mean=0.000018 rms=0.001851 Jy/beam ! Combined flux in latest and established models = 4.52806 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 97 components and 4.52806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.527890Jy sigma=0.002552 ! Fit after self-cal, rms=0.527857Jy sigma=0.002551 ! 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=0.527857Jy sigma=0.002551 ! Fit after self-cal, rms=0.528170Jy sigma=0.002548 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.037 mas, bmaj=10.72 mas, bpa=75.73 degrees ! Estimated noise=583.247 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00514472 Jy ! Component: 100 - total flux cleaned = 0.00602237 Jy ! Component: 150 - total flux cleaned = 0.00672872 Jy ! Component: 200 - total flux cleaned = 0.00692758 Jy ! Total flux subtracted in 200 components = 0.00692758 Jy ! Clean residual min=-0.005670 max=0.007010 Jy/beam ! Clean residual mean=0.000267 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 4.53499 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 109 components and 4.53498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.528026Jy sigma=0.002547 ! Fit after self-cal, rms=0.528049Jy sigma=0.002546 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 = -2.04383e-05 Jy ! Component: 100 - total flux cleaned = 0.000239863 Jy ! Component: 150 - total flux cleaned = 0.000318309 Jy ! Component: 200 - total flux cleaned = 0.000322932 Jy ! Total flux subtracted in 200 components = 0.000322932 Jy ! Clean residual min=-0.005659 max=0.006948 Jy/beam ! Clean residual mean=0.000249 rms=0.001931 Jy/beam ! Combined flux in latest and established models = 4.53531 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 114 components and 4.53531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.528000Jy sigma=0.002546 ! Fit after self-cal, rms=0.527993Jy sigma=0.002546 ! 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=3.32 mas, bmaj=4.499 mas, bpa=-10.63 degrees ! Estimated noise=479.279 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.32 x 4.499 at -10.63 degrees (North through East) ! Clean map min=-0.020706 max=3.9836 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=0.527993Jy sigma=0.002546 ! Fit after self-cal, rms=2.411758Jy sigma=0.002026 ! Inverting map and beam ! Estimated beam: bmin=3.32 mas, bmaj=4.499 mas, bpa=-10.62 degrees ! Estimated noise=479.269 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311011 Jy ! Component: 100 - total flux cleaned = 0.00330206 Jy ! Component: 150 - total flux cleaned = 0.00347573 Jy ! Component: 200 - total flux cleaned = 0.00363615 Jy ! Total flux subtracted in 200 components = 0.00363615 Jy ! Clean residual min=-0.004772 max=0.004805 Jy/beam ! Clean residual mean=0.000061 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 4.53894 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 122 components and 4.53894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.411721Jy sigma=0.002023 ! Fit after self-cal, rms=2.411758Jy sigma=0.002023 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000305361 Jy ! Component: 100 - total flux cleaned = 0.000594197 Jy ! Component: 150 - total flux cleaned = 0.000723621 Jy ! Component: 200 - total flux cleaned = 0.000719282 Jy ! Total flux subtracted in 200 components = 0.000719282 Jy ! Clean residual min=-0.004665 max=0.004745 Jy/beam ! Clean residual mean=0.000041 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 4.53966 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 126 components and 4.53966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.411747Jy sigma=0.002021 ! Fit after self-cal, rms=2.411761Jy sigma=0.002021 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.411761Jy sigma=0.002021 ! Fit after self-cal, rms=2.376602Jy sigma=0.002021 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=2.263 mas, bmaj=3.479 mas, bpa=-9.321 degrees ! Estimated noise=912.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.93879 Jy ! Component: 100 - total flux cleaned = 3.80551 Jy ! Component: 150 - total flux cleaned = 4.14969 Jy ! Component: 200 - total flux cleaned = 4.30411 Jy ! Total flux subtracted in 200 components = 4.30411 Jy ! Clean residual min=-0.024227 max=0.076413 Jy/beam ! Clean residual mean=0.000222 rms=0.007655 Jy/beam ! Combined flux in latest and established models = 4.30411 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 19 model components to the UV plane model. ! The established model now contains 19 components and 4.30412 Jy ! Inverting map and beam ! Estimated beam: bmin=3.322 mas, bmaj=4.499 mas, bpa=-10.69 degrees ! Estimated noise=479.422 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 = 0.131746 Jy ! Component: 100 - total flux cleaned = 0.190192 Jy ! Component: 150 - total flux cleaned = 0.220726 Jy ! Component: 200 - total flux cleaned = 0.232736 Jy ! Total flux subtracted in 200 components = 0.232736 Jy ! Clean residual min=-0.010804 max=0.010169 Jy/beam ! Clean residual mean=0.000208 rms=0.001943 Jy/beam ! Combined flux in latest and established models = 4.53685 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 48 components and 4.53685 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=9.035 mas, bmaj=10.72 mas, bpa=75.84 degrees ! Estimated noise=583.306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00976759 Jy ! Component: 100 - total flux cleaned = 0.0105036 Jy ! Component: 150 - total flux cleaned = 0.0101313 Jy ! Component: 200 - total flux cleaned = 0.0098 Jy ! Total flux subtracted in 200 components = 0.0098 Jy ! Clean residual min=-0.005706 max=0.005091 Jy/beam ! Clean residual mean=-0.000124 rms=0.001587 Jy/beam ! Combined flux in latest and established models = 4.54665 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 = -0.000287654 Jy ! Component: 100 - total flux cleaned = -0.000656218 Jy ! Component: 150 - total flux cleaned = -0.000865779 Jy ! Component: 200 - total flux cleaned = -0.00105531 Jy ! Total flux subtracted in 200 components = -0.00105531 Jy ! Clean residual min=-0.005411 max=0.004694 Jy/beam ! Clean residual mean=-0.000063 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 4.5456 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 75 components and 4.5456 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.322 mas, bmaj=4.499 mas, bpa=-10.69 degrees ! Estimated noise=479.422 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00130428 Jy ! Component: 100 - total flux cleaned = -0.00195378 Jy ! Component: 150 - total flux cleaned = -0.00224132 Jy ! Component: 200 - total flux cleaned = -0.00224543 Jy ! Total flux subtracted in 200 components = -0.00224543 Jy ! Clean residual min=-0.005411 max=0.006035 Jy/beam ! Clean residual mean=0.000031 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 4.54335 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 86 components and 4.54335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.376587Jy sigma=0.002031 ! Fit after self-cal, rms=2.376707Jy sigma=0.002027 wmodel J0927+3902_S_2003_06_18_pus_map.mod ! Writing 86 model components to file: J0927+3902_S_2003_06_18_pus_map.mod wobs J0927+3902_S_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0927+3902_S_2003_06_18_pus_uvs.fits wwins J0927+3902_S_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J0927+3902_S_2003_06_18_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 = 0.000109018 Jy ! Component: 100 - total flux cleaned = 0.000474258 Jy ! Component: 150 - total flux cleaned = 0.00108087 Jy ! Component: 200 - total flux cleaned = 0.00124862 Jy ! Component: 250 - total flux cleaned = 0.00132954 Jy ! Component: 300 - total flux cleaned = 0.00132946 Jy ! Component: 350 - total flux cleaned = 0.0012526 Jy ! Component: 400 - total flux cleaned = 0.00132811 Jy ! Component: 450 - total flux cleaned = 0.00132793 Jy ! Component: 500 - total flux cleaned = 0.00147352 Jy ! Component: 550 - total flux cleaned = 0.00168747 Jy ! Component: 600 - total flux cleaned = 0.00175768 Jy ! Component: 650 - total flux cleaned = 0.00196489 Jy ! Component: 700 - total flux cleaned = 0.00196452 Jy ! Component: 750 - total flux cleaned = 0.00203173 Jy ! Component: 800 - total flux cleaned = 0.00209815 Jy ! Component: 850 - total flux cleaned = 0.00209839 Jy ! Component: 900 - total flux cleaned = 0.0021634 Jy ! Component: 950 - total flux cleaned = 0.0021638 Jy ! Component: 1000 - total flux cleaned = 0.00222721 Jy ! Component: 1050 - total flux cleaned = 0.0022897 Jy ! Component: 1100 - total flux cleaned = 0.00228956 Jy ! Component: 1150 - total flux cleaned = 0.00247341 Jy ! Component: 1200 - total flux cleaned = 0.00247285 Jy ! Component: 1250 - total flux cleaned = 0.00253295 Jy ! Component: 1300 - total flux cleaned = 0.00265129 Jy ! Component: 1350 - total flux cleaned = 0.00253381 Jy ! Component: 1400 - total flux cleaned = 0.00270899 Jy ! Component: 1450 - total flux cleaned = 0.0027089 Jy ! Component: 1500 - total flux cleaned = 0.00276632 Jy ! Component: 1550 - total flux cleaned = 0.00282331 Jy ! Component: 1600 - total flux cleaned = 0.00287967 Jy ! Component: 1650 - total flux cleaned = 0.00287975 Jy ! Component: 1700 - total flux cleaned = 0.00293459 Jy ! Component: 1750 - total flux cleaned = 0.00293449 Jy ! Component: 1800 - total flux cleaned = 0.00282578 Jy ! Component: 1850 - total flux cleaned = 0.00277232 Jy ! Component: 1900 - total flux cleaned = 0.00287983 Jy ! Component: 1950 - total flux cleaned = 0.00293273 Jy ! Component: 2000 - total flux cleaned = 0.0028796 Jy ! Total flux subtracted in 2048 components = 0.00277481 Jy ! Clean residual min=-0.003255 max=0.002978 Jy/beam ! Clean residual mean=-0.000014 rms=0.001003 Jy/beam ! Combined flux in latest and established models = 4.54613 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 208 components and 4.54613 Jy wmap "J0927+3902_S_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.322 x 4.499 at -10.69 degrees (North through East) ! Clean map min=-0.012468 max=3.9929 Jy/beam ! Writing clean map to FITS file: J0927+3902_S_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 3.99295 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00100201 device "J0927+3902_S_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0927+3902_S_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0752831 0.0752831 0.150566 0.301133 0.602265 1.20453 2.40906 4.81812 9.63624 19.2725 38.545 77.0899 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.992 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.322 x 4.499 at -10.69 degrees (North through East) ! Clean map min=-0.012468 max=3.9929 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0927+3902_S_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0927+3902_S_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0927+3902_S_2003_06_18_pus_uvs.log closed on Tue Jan 23 22:23:33 2007