! Started logfile: J0948+4039_X_2003_06_18_pus_uvs.log on Fri Jan 19 13:02:40 2007 obs J0948+4039_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0948+4039_X_2003_06_18_pus_uva.fits ! AN table 1: 150 integrations on 153 of 153 possible baselines. ! AN table 2: 72 integrations on 153 of 153 possible baselines. ! AN table 3: 5 integrations on 153 of 153 possible baselines. ! AN table 4: 70 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0899628 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0948+4039 ! ! 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 2235 lines of history. ! ! Reading 16352 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 = 0.16 float taper_size taper_size = 90. 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 0.160x0.160 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 2354 telescope corrections were flagged in sub-array 1. ! A total of 742 telescope corrections were flagged in sub-array 2. ! A total of 78 telescope corrections were flagged in sub-array 3. ! A total of 1164 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 2309 telescope corrections were flagged in sub-array 1. ! A total of 742 telescope corrections were flagged in sub-array 2. ! A total of 78 telescope corrections were flagged in sub-array 3. ! A total of 1164 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 2354 telescope corrections were flagged in sub-array 1. ! A total of 742 telescope corrections were flagged in sub-array 2. ! A total of 78 telescope corrections were flagged in sub-array 3. ! A total of 1164 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 2309 telescope corrections were flagged in sub-array 1. ! A total of 742 telescope corrections were flagged in sub-array 2. ! A total of 78 telescope corrections were flagged in sub-array 3. ! A total of 1164 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.883915Jy sigma=0.012415 ! Fit after self-cal, rms=0.515749Jy sigma=0.006674 ! 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=0.5619 mas, bmaj=0.884 mas, bpa=14.81 degrees ! Estimated noise=822.549 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 = 0.54949 Jy ! Component: 100 - total flux cleaned = 0.763528 Jy ! Total flux subtracted in 100 components = 0.763528 Jy ! Clean residual min=-0.065721 max=0.197849 Jy/beam ! Clean residual mean=0.000789 rms=0.018763 Jy/beam ! Combined flux in latest and established models = 0.763528 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.763528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.450355Jy sigma=0.006610 ! Fit after self-cal, rms=0.445590Jy sigma=0.006572 ! Inverting map ! Added new window around map position (0.8, -0.64). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.186674 Jy ! Component: 100 - total flux cleaned = 0.290811 Jy ! Total flux subtracted in 100 components = 0.290811 Jy ! Clean residual min=-0.038759 max=0.063731 Jy/beam ! Clean residual mean=0.000367 rms=0.010850 Jy/beam ! Combined flux in latest and established models = 1.05434 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 1.05434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324101Jy sigma=0.004234 ! Fit after self-cal, rms=0.314269Jy sigma=0.004114 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0858218 Jy ! Component: 100 - total flux cleaned = 0.14363 Jy ! Total flux subtracted in 100 components = 0.14363 Jy ! Clean residual min=-0.026797 max=0.033393 Jy/beam ! Clean residual mean=0.000159 rms=0.007035 Jy/beam ! Combined flux in latest and established models = 1.19797 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 36 components and 1.19797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273562Jy sigma=0.003187 ! Fit after self-cal, rms=0.271178Jy sigma=0.003159 ! 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=0.7026 mas, bmaj=1.079 mas, bpa=11.98 degrees ! Estimated noise=437.53 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 = 0.0915474 Jy ! Component: 100 - total flux cleaned = 0.141413 Jy ! Component: 150 - total flux cleaned = 0.16992 Jy ! Component: 200 - total flux cleaned = 0.186567 Jy ! Total flux subtracted in 200 components = 0.186567 Jy ! Clean residual min=-0.018756 max=0.026047 Jy/beam ! Clean residual mean=0.000046 rms=0.005901 Jy/beam ! Combined flux in latest and established models = 1.38454 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 59 components and 1.38454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246804Jy sigma=0.002522 ! Fit after self-cal, rms=0.245522Jy sigma=0.002506 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 GG 1.00* HN 1.03 ! KK 1.00* KP 1.05 LA 0.97 MA 1.00* ! MK 1.00* NL 1.04 ON 0.92 OV 1.03 ! PT 0.99 SC 0.96 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 GG 1.00* HN 0.95 ! KK 0.99 KP 0.98 LA 0.97 MA 1.00* ! MK 0.96 NL 1.01 ON 1.03 OV 0.96 ! PT 1.00* SC 0.93 TC 1.00* TS 1.10 ! WF 1.27 WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 96 telescope corrections were flagged in sub-array 4. ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 GG 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 0.97 MA 0.97 ! MK 1.00* NL 1.02 ON 0.96 OV 1.02 ! PT 1.04 SC 0.94 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GG 1.00* HN 0.96 ! KK 1.03 KP 0.93 LA 0.97 MA 1.00* ! MK 0.97 NL 0.97 ON 1.03 OV 0.95 ! PT 1.00* SC 0.92 TC 1.00* TS 1.08 ! WF 1.36 WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 96 telescope corrections were flagged in sub-array 4. ! 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* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 GG 1.00* HN 1.04 ! KK 1.00* KP 1.04 LA 0.99 MA 1.00* ! MK 1.00* NL 1.00 ON 0.92 OV 1.06 ! PT 1.06 SC 0.91 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.96 GG 1.00* HN 0.94 ! KK 1.06 KP 0.96 LA 0.98 MA 1.00* ! MK 0.95 NL 0.96 ON 1.02 OV 0.99 ! PT 1.00* SC 0.93 TC 1.00* TS 1.08 ! WF 1.29 WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 96 telescope corrections were flagged in sub-array 4. ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GG 1.00* HN 1.10 ! KK 1.00* KP 0.99 LA 0.96 MA 0.99 ! MK 1.00* NL 1.01 ON 1.00 OV 1.06 ! PT 1.06 SC 0.91 TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.94 GG 1.00* HN 0.97 ! KK 1.02 KP 0.92 LA 0.96 MA 1.00* ! MK 1.02 NL 2.95 ON 1.07 OV 0.98 ! PT 1.00* SC 2.32 TC 1.00* TS 1.06 ! WF 1.23 WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 96 telescope corrections were flagged in sub-array 4. ! 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* ! ! ! Fit before self-cal, rms=0.245522Jy sigma=0.002506 ! Fit after self-cal, rms=0.248260Jy sigma=0.002100 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7223 mas, bmaj=1.085 mas, bpa=11.29 degrees ! Estimated noise=435.914 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 = 0.00283113 Jy ! Component: 100 - total flux cleaned = 0.00283386 Jy ! Component: 150 - total flux cleaned = 0.00282983 Jy ! Component: 200 - total flux cleaned = 0.00283124 Jy ! Total flux subtracted in 200 components = 0.00283124 Jy ! Clean residual min=-0.009813 max=0.012364 Jy/beam ! Clean residual mean=0.000253 rms=0.002948 Jy/beam ! Combined flux in latest and established models = 1.38737 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 1.38737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247835Jy sigma=0.002089 ! Fit after self-cal, rms=0.247922Jy sigma=0.002085 ! 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=0.247922Jy sigma=0.002085 ! Fit after self-cal, rms=0.247723Jy sigma=0.002084 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7233 mas, bmaj=1.083 mas, bpa=11.26 degrees ! Estimated noise=434.806 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00097117 Jy ! Component: 100 - total flux cleaned = 0.000969753 Jy ! Component: 150 - total flux cleaned = 0.000969013 Jy ! Component: 200 - total flux cleaned = 0.000979157 Jy ! Total flux subtracted in 200 components = 0.000979157 Jy ! Clean residual min=-0.009185 max=0.012136 Jy/beam ! Clean residual mean=0.000253 rms=0.002873 Jy/beam ! Combined flux in latest and established models = 1.38835 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 69 components and 1.38835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247492Jy sigma=0.002078 ! Fit after self-cal, rms=0.247264Jy sigma=0.002076 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 (11.68, 6.24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116978 Jy ! Component: 100 - total flux cleaned = 0.0159855 Jy ! Component: 150 - total flux cleaned = 0.0168543 Jy ! Component: 200 - total flux cleaned = 0.0173028 Jy ! Total flux subtracted in 200 components = 0.0173028 Jy ! Clean residual min=-0.008819 max=0.011132 Jy/beam ! Clean residual mean=0.000192 rms=0.002618 Jy/beam ! Combined flux in latest and established models = 1.40565 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 84 components and 1.40565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246779Jy sigma=0.002060 ! Fit after self-cal, rms=0.246676Jy sigma=0.002059 ! Inverting map ! Added new window around map position (9.44, -3.84). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116979 Jy ! Component: 100 - total flux cleaned = 0.018405 Jy ! Component: 150 - total flux cleaned = 0.0205415 Jy ! Component: 200 - total flux cleaned = 0.0216715 Jy ! Total flux subtracted in 200 components = 0.0216715 Jy ! Clean residual min=-0.007917 max=0.008864 Jy/beam ! Clean residual mean=0.000104 rms=0.002183 Jy/beam ! Combined flux in latest and established models = 1.42732 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 116 components and 1.42732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245984Jy sigma=0.002042 ! Fit after self-cal, rms=0.245934Jy sigma=0.002041 ! 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=0.245934Jy sigma=0.002041 ! Fit after self-cal, rms=0.245077Jy sigma=0.002038 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7246 mas, bmaj=1.083 mas, bpa=11.13 degrees ! Estimated noise=433.982 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00492378 Jy ! Component: 100 - total flux cleaned = 0.00786663 Jy ! Component: 150 - total flux cleaned = 0.00865735 Jy ! Component: 200 - total flux cleaned = 0.00923325 Jy ! Total flux subtracted in 200 components = 0.00923325 Jy ! Clean residual min=-0.007015 max=0.008360 Jy/beam ! Clean residual mean=0.000083 rms=0.001936 Jy/beam ! Combined flux in latest and established models = 1.43655 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 129 components and 1.43655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244828Jy sigma=0.002032 ! Fit after self-cal, rms=0.244771Jy sigma=0.002032 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 (6.4, -3.68). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00691851 Jy ! Component: 100 - total flux cleaned = 0.00920486 Jy ! Component: 150 - total flux cleaned = 0.00965141 Jy ! Component: 200 - total flux cleaned = 0.00992705 Jy ! Total flux subtracted in 200 components = 0.00992705 Jy ! Clean residual min=-0.006428 max=0.006998 Jy/beam ! Clean residual mean=0.000043 rms=0.001726 Jy/beam ! Combined flux in latest and established models = 1.44648 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 145 components and 1.44648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244498Jy sigma=0.002025 ! Fit after self-cal, rms=0.244460Jy sigma=0.002024 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 90 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=0.244460Jy sigma=0.002024 ! Fit after self-cal, rms=0.244442Jy sigma=0.002023 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.02 mas, bmaj=2.388 mas, bpa=41.75 degrees ! Estimated noise=512.651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00714005 Jy ! Component: 100 - total flux cleaned = 0.00963312 Jy ! Component: 150 - total flux cleaned = 0.0105392 Jy ! Component: 200 - total flux cleaned = 0.011178 Jy ! Total flux subtracted in 200 components = 0.011178 Jy ! Clean residual min=-0.006429 max=0.007820 Jy/beam ! Clean residual mean=0.000098 rms=0.002189 Jy/beam ! Combined flux in latest and established models = 1.45766 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 159 components and 1.45766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244374Jy sigma=0.002020 ! Fit after self-cal, rms=0.244310Jy sigma=0.002019 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 = 0.000962773 Jy ! Component: 100 - total flux cleaned = 0.00225098 Jy ! Component: 150 - total flux cleaned = 0.00297897 Jy ! Component: 200 - total flux cleaned = 0.00352717 Jy ! Total flux subtracted in 200 components = 0.00352717 Jy ! Clean residual min=-0.005891 max=0.007548 Jy/beam ! Clean residual mean=0.000067 rms=0.002094 Jy/beam ! Combined flux in latest and established models = 1.46119 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 164 components and 1.46119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244292Jy sigma=0.002019 ! Fit after self-cal, rms=0.244229Jy sigma=0.002018 ! 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=0.7253 mas, bmaj=1.083 mas, bpa=11.07 degrees ! Estimated noise=433.478 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7253 x 1.083 at 11.07 degrees (North through East) ! Clean map min=-0.0050036 max=0.73935 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=0.244229Jy sigma=0.002018 ! Fit after self-cal, rms=0.257149Jy sigma=0.001864 ! Inverting map and beam ! Estimated beam: bmin=0.7248 mas, bmaj=1.084 mas, bpa=11.01 degrees ! Estimated noise=433.332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00113034 Jy ! Component: 100 - total flux cleaned = -0.000588542 Jy ! Component: 150 - total flux cleaned = -0.000227845 Jy ! Component: 200 - total flux cleaned = 0.000105316 Jy ! Total flux subtracted in 200 components = 0.000105316 Jy ! Clean residual min=-0.005309 max=0.006313 Jy/beam ! Clean residual mean=0.000056 rms=0.001447 Jy/beam ! Combined flux in latest and established models = 1.46129 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 175 components and 1.46129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256986Jy sigma=0.001861 ! Fit after self-cal, rms=0.256960Jy sigma=0.001861 ! Inverting map ! Added new window around map position (1.92, -0.64). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318708 Jy ! Component: 100 - total flux cleaned = 0.00217853 Jy ! Component: 150 - total flux cleaned = 0.0020482 Jy ! Component: 200 - total flux cleaned = 0.00216046 Jy ! Total flux subtracted in 200 components = 0.00216046 Jy ! Clean residual min=-0.005521 max=0.005577 Jy/beam ! Clean residual mean=0.000046 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 1.46345 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 187 components and 1.46345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256663Jy sigma=0.001857 ! Fit after self-cal, rms=0.256639Jy sigma=0.001856 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256639Jy sigma=0.001856 ! Fit after self-cal, rms=0.255909Jy sigma=0.001856 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.5889 mas, bmaj=0.8844 mas, bpa=13.49 degrees ! Estimated noise=830.341 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.579467 Jy ! Component: 100 - total flux cleaned = 0.845066 Jy ! Component: 150 - total flux cleaned = 1.00702 Jy ! Component: 200 - total flux cleaned = 1.11303 Jy ! Total flux subtracted in 200 components = 1.11303 Jy ! Clean residual min=-0.023919 max=0.057919 Jy/beam ! Clean residual mean=0.000446 rms=0.007841 Jy/beam ! Combined flux in latest and established models = 1.11303 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.11303 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7251 mas, bmaj=1.084 mas, bpa=11 degrees ! Estimated noise=433.352 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 = 0.119196 Jy ! Component: 100 - total flux cleaned = 0.18379 Jy ! Component: 150 - total flux cleaned = 0.220363 Jy ! Component: 200 - total flux cleaned = 0.24308 Jy ! Total flux subtracted in 200 components = 0.24308 Jy ! Clean residual min=-0.008805 max=0.014109 Jy/beam ! Clean residual mean=0.000474 rms=0.003583 Jy/beam ! Combined flux in latest and established models = 1.35611 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 63 components and 1.35611 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 90 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.019 mas, bmaj=2.386 mas, bpa=41.45 degrees ! Estimated noise=512.344 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.030281 Jy ! Component: 100 - total flux cleaned = 0.050078 Jy ! Component: 150 - total flux cleaned = 0.0645847 Jy ! Component: 200 - total flux cleaned = 0.075559 Jy ! Total flux subtracted in 200 components = 0.075559 Jy ! Clean residual min=-0.006448 max=0.008071 Jy/beam ! Clean residual mean=0.000376 rms=0.002803 Jy/beam ! Combined flux in latest and established models = 1.43167 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 = 0.00846888 Jy ! Component: 100 - total flux cleaned = 0.0150671 Jy ! Component: 150 - total flux cleaned = 0.0202347 Jy ! Component: 200 - total flux cleaned = 0.0238597 Jy ! Total flux subtracted in 200 components = 0.0238597 Jy ! Clean residual min=-0.005612 max=0.006564 Jy/beam ! Clean residual mean=0.000173 rms=0.001965 Jy/beam ! Combined flux in latest and established models = 1.45553 Jy ! Adding 98 model components to the UV plane model. ! The established model now contains 143 components and 1.45553 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7251 mas, bmaj=1.084 mas, bpa=11 degrees ! Estimated noise=433.352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276209 Jy ! Component: 100 - total flux cleaned = 0.00379163 Jy ! Component: 150 - total flux cleaned = 0.00396528 Jy ! Component: 200 - total flux cleaned = 0.00412242 Jy ! Total flux subtracted in 200 components = 0.00412242 Jy ! Clean residual min=-0.005577 max=0.006089 Jy/beam ! Clean residual mean=0.000066 rms=0.001466 Jy/beam ! Combined flux in latest and established models = 1.45965 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 163 components and 1.45965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256379Jy sigma=0.001861 ! Fit after self-cal, rms=0.256122Jy sigma=0.001858 wmodel J0948+4039_X_2003_06_18_pus_map.mod ! Writing 163 model components to file: J0948+4039_X_2003_06_18_pus_map.mod wobs J0948+4039_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0948+4039_X_2003_06_18_pus_uvs.fits wwins J0948+4039_X_2003_06_18_pus_map.win ! wwins: Wrote 6 windows to J0948+4039_X_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 = 0.000938641 Jy ! Component: 100 - total flux cleaned = 0.00180827 Jy ! Component: 150 - total flux cleaned = 0.00262677 Jy ! Component: 200 - total flux cleaned = 0.00314768 Jy ! Component: 250 - total flux cleaned = 0.00364429 Jy ! Component: 300 - total flux cleaned = 0.00412053 Jy ! Component: 350 - total flux cleaned = 0.00427464 Jy ! Component: 400 - total flux cleaned = 0.00442397 Jy ! Component: 450 - total flux cleaned = 0.00464115 Jy ! Component: 500 - total flux cleaned = 0.0046416 Jy ! Component: 550 - total flux cleaned = 0.00477991 Jy ! Component: 600 - total flux cleaned = 0.00491487 Jy ! Component: 650 - total flux cleaned = 0.00511602 Jy ! Component: 700 - total flux cleaned = 0.00544401 Jy ! Component: 750 - total flux cleaned = 0.005637 Jy ! Component: 800 - total flux cleaned = 0.00582766 Jy ! Component: 850 - total flux cleaned = 0.00620326 Jy ! Component: 900 - total flux cleaned = 0.00651029 Jy ! Component: 950 - total flux cleaned = 0.0065712 Jy ! Component: 1000 - total flux cleaned = 0.00699173 Jy ! Component: 1050 - total flux cleaned = 0.00722919 Jy ! Component: 1100 - total flux cleaned = 0.00746436 Jy ! Component: 1150 - total flux cleaned = 0.00763743 Jy ! Component: 1200 - total flux cleaned = 0.00792207 Jy ! Component: 1250 - total flux cleaned = 0.00809135 Jy ! Component: 1300 - total flux cleaned = 0.00837013 Jy ! Component: 1350 - total flux cleaned = 0.00875583 Jy ! Component: 1400 - total flux cleaned = 0.00897362 Jy ! Component: 1450 - total flux cleaned = 0.00935026 Jy ! Component: 1500 - total flux cleaned = 0.0095635 Jy ! Component: 1550 - total flux cleaned = 0.0099321 Jy ! Component: 1600 - total flux cleaned = 0.0101412 Jy ! Component: 1650 - total flux cleaned = 0.0103491 Jy ! Component: 1700 - total flux cleaned = 0.0106564 Jy ! Component: 1750 - total flux cleaned = 0.0109093 Jy ! Component: 1800 - total flux cleaned = 0.0112096 Jy ! Component: 1850 - total flux cleaned = 0.0114081 Jy ! Component: 1900 - total flux cleaned = 0.0117028 Jy ! Component: 1950 - total flux cleaned = 0.0118491 Jy ! Component: 2000 - total flux cleaned = 0.0119453 Jy ! Total flux subtracted in 2048 components = 0.0121372 Jy ! Clean residual min=-0.002463 max=0.002507 Jy/beam ! Clean residual mean=0.000046 rms=0.000848 Jy/beam ! Combined flux in latest and established models = 1.47179 Jy keep ! Adding 155 model components to the UV plane model. ! The established model now contains 317 components and 1.47179 Jy wmap "J0948+4039_X_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7251 x 1.084 at 11 degrees (North through East) ! Clean map min=-0.0041165 max=0.74013 Jy/beam ! Writing clean map to FITS file: J0948+4039_X_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 0.74013 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000853829 device "J0948+4039_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0948+4039_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.346086 0.346086 0.692173 1.38435 2.76869 5.53738 11.0748 22.1495 44.299 88.5981 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.74 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7251 x 1.084 at 11 degrees (North through East) ! Clean map min=-0.0041165 max=0.74013 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0948+4039_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0948+4039_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0948+4039_X_2003_06_18_pus_uvs.log closed on Fri Jan 19 13:04:23 2007