! Started logfile: J2246-1206_X_2001_07_05_pus_uvs.log on Wed Jul 4 22:06:56 2007 obs J2246-1206_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J2246-1206_X_2001_07_05_pus_uva.fits ! AN table 1: 65 integrations on 171 of 171 possible baselines. ! AN table 2: 212 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.154665 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2370 lines of history. ! ! Reading 29304 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1194 telescope corrections were flagged in sub-array 1. ! A total of 2421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1194 telescope corrections were flagged in sub-array 1. ! A total of 2420 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1194 telescope corrections were flagged in sub-array 1. ! A total of 2420 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1194 telescope corrections were flagged in sub-array 1. ! A total of 2420 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.462563Jy sigma=0.013151 ! Fit after self-cal, rms=0.851907Jy sigma=0.007578 ! 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 ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.5137 mas, bmaj=1.287 mas, bpa=-2.694 degrees ! Estimated noise=1040.08 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 = 1.15687 Jy ! Component: 100 - total flux cleaned = 1.52467 Jy ! Total flux subtracted in 100 components = 1.52467 Jy ! Clean residual min=-0.070370 max=0.221145 Jy/beam ! Clean residual mean=0.003920 rms=0.024674 Jy/beam ! Combined flux in latest and established models = 1.52467 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 1.52467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.519131Jy sigma=0.004569 ! Fit after self-cal, rms=0.519220Jy sigma=0.004565 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Added new window around map position (-0.2, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.224341 Jy ! Component: 100 - total flux cleaned = 0.362812 Jy ! Total flux subtracted in 100 components = 0.362812 Jy ! Clean residual min=-0.054164 max=0.088038 Jy/beam ! Clean residual mean=0.001981 rms=0.015927 Jy/beam ! Combined flux in latest and established models = 1.88748 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 23 components and 1.88748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353876Jy sigma=0.003054 ! Fit after self-cal, rms=0.350304Jy sigma=0.003028 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101429 Jy ! Component: 100 - total flux cleaned = 0.169245 Jy ! Total flux subtracted in 100 components = 0.169245 Jy ! Clean residual min=-0.046332 max=0.072434 Jy/beam ! Clean residual mean=0.001057 rms=0.012769 Jy/beam ! Combined flux in latest and established models = 2.05673 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 2.05673 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303645Jy sigma=0.002597 ! Fit after self-cal, rms=0.302187Jy sigma=0.002589 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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 ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.6714 mas, bmaj=2.105 mas, bpa=-6.014 degrees ! Estimated noise=494.803 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 (1, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0898016 Jy ! Component: 100 - total flux cleaned = 0.141005 Jy ! Component: 150 - total flux cleaned = 0.174149 Jy ! Component: 200 - total flux cleaned = 0.188631 Jy ! Total flux subtracted in 200 components = 0.188631 Jy ! Clean residual min=-0.044892 max=0.043490 Jy/beam ! Clean residual mean=0.001501 rms=0.011995 Jy/beam ! Combined flux in latest and established models = 2.24536 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 52 components and 2.24536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273538Jy sigma=0.002327 ! Fit after self-cal, rms=0.271625Jy sigma=0.002311 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.73 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MC 1.25 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.37 WF 1.00* WZ 1.08 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00 GC 1.00* GG 1.00* ! HH 0.97 HN 0.97 KK 1.02 KP 1.00 ! LA 0.97 MC 1.12 MK 0.98 NL 1.03 ! NY 1.00* OV 1.02 PT 0.99 SC 1.03 ! TS 0.99 WF 1.01 WZ 0.95 ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.70 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MC 1.30 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.38 WF 1.00* WZ 1.08 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 GC 1.00* GG 1.00* ! HH 4.37 HN 0.97 KK 1.00 KP 1.00 ! LA 0.96 MC 1.13 MK 0.96 NL 0.99 ! NY 1.00* OV 1.02 PT 0.96 SC 0.98 ! TS 1.00 WF 0.99 WZ 0.97 ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MC 1.48 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.27 WF 1.00* WZ 0.99 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HH 1.05 HN 0.98 KK 0.99 KP 1.05 ! LA 0.99 MC 1.13 MK 0.97 NL 1.03 ! NY 1.00* OV 1.07 PT 0.98 SC 0.99 ! TS 0.99 WF 0.99 WZ 0.94 ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.01 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MC 1.43 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.40 WF 1.00* WZ 0.98 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 GC 1.00* GG 1.00* ! HH 1.24 HN 1.00 KK 1.00 KP 1.01 ! LA 0.97 MC 1.12 MK 1.00 NL 1.04 ! NY 1.00* OV 1.04 PT 0.99 SC 1.04 ! TS 0.99 WF 1.00 WZ 0.95 ! ! ! Fit before self-cal, rms=0.271625Jy sigma=0.002311 ! Fit after self-cal, rms=0.264737Jy sigma=0.002160 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.677 mas, bmaj=2.136 mas, bpa=-6.41 degrees ! Estimated noise=493.991 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 = 0.0188387 Jy ! Component: 100 - total flux cleaned = 0.0202285 Jy ! Component: 150 - total flux cleaned = 0.020226 Jy ! Component: 200 - total flux cleaned = 0.0207512 Jy ! Total flux subtracted in 200 components = 0.0207512 Jy ! Clean residual min=-0.042853 max=0.033525 Jy/beam ! Clean residual mean=-0.000581 rms=0.011697 Jy/beam ! Combined flux in latest and established models = 2.26611 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 2.26611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261827Jy sigma=0.002134 ! Fit after self-cal, rms=0.261496Jy sigma=0.002133 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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=0.261496Jy sigma=0.002133 ! Fit after self-cal, rms=0.205198Jy sigma=0.001510 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.6804 mas, bmaj=2.118 mas, bpa=-6.117 degrees ! Estimated noise=494.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0166401 Jy ! Component: 100 - total flux cleaned = 0.0177862 Jy ! Component: 150 - total flux cleaned = 0.0191286 Jy ! Component: 200 - total flux cleaned = 0.0198748 Jy ! Total flux subtracted in 200 components = 0.0198748 Jy ! Clean residual min=-0.013013 max=0.016560 Jy/beam ! Clean residual mean=0.000541 rms=0.003432 Jy/beam ! Combined flux in latest and established models = 2.28599 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 2.28599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202179Jy sigma=0.001478 ! Fit after self-cal, rms=0.201948Jy sigma=0.001475 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4.8, 8.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0176501 Jy ! Component: 100 - total flux cleaned = 0.0258824 Jy ! Component: 150 - total flux cleaned = 0.0296209 Jy ! Component: 200 - total flux cleaned = 0.0322357 Jy ! Total flux subtracted in 200 components = 0.0322357 Jy ! Clean residual min=-0.013812 max=0.009801 Jy/beam ! Clean residual mean=-0.000037 rms=0.002644 Jy/beam ! Combined flux in latest and established models = 2.31822 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 105 components and 2.31822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200265Jy sigma=0.001454 ! Fit after self-cal, rms=0.200201Jy sigma=0.001454 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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=0.200201Jy sigma=0.001454 ! Fit after self-cal, rms=0.200508Jy sigma=0.001449 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.6816 mas, bmaj=2.113 mas, bpa=-6.029 degrees ! Estimated noise=494.477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391717 Jy ! Component: 100 - total flux cleaned = 0.00668741 Jy ! Component: 150 - total flux cleaned = 0.00881973 Jy ! Component: 200 - total flux cleaned = 0.0104848 Jy ! Total flux subtracted in 200 components = 0.0104848 Jy ! Clean residual min=-0.010696 max=0.009131 Jy/beam ! Clean residual mean=0.000065 rms=0.002164 Jy/beam ! Combined flux in latest and established models = 2.32871 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 2.32871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199642Jy sigma=0.001440 ! Fit after self-cal, rms=0.199596Jy sigma=0.001439 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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 = 0.00254338 Jy ! Component: 100 - total flux cleaned = 0.00404998 Jy ! Component: 150 - total flux cleaned = 0.00541203 Jy ! Component: 200 - total flux cleaned = 0.00630375 Jy ! Total flux subtracted in 200 components = 0.00630375 Jy ! Clean residual min=-0.010816 max=0.008604 Jy/beam ! Clean residual mean=-0.000060 rms=0.002061 Jy/beam ! Combined flux in latest and established models = 2.33501 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 121 components and 2.33501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199221Jy sigma=0.001435 ! Fit after self-cal, rms=0.199207Jy sigma=0.001435 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199207Jy sigma=0.001435 ! Fit after self-cal, rms=0.198871Jy sigma=0.001433 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=2.058 mas, bmaj=3.651 mas, bpa=-3.181 degrees ! Estimated noise=670.978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00668364 Jy ! Component: 100 - total flux cleaned = 0.00796745 Jy ! Component: 150 - total flux cleaned = 0.00877478 Jy ! Component: 200 - total flux cleaned = 0.00955827 Jy ! Total flux subtracted in 200 components = 0.00955827 Jy ! Clean residual min=-0.007471 max=0.007920 Jy/beam ! Clean residual mean=-0.000100 rms=0.002363 Jy/beam ! Combined flux in latest and established models = 2.34457 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 141 components and 2.34457 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198761Jy sigma=0.001432 ! Fit after self-cal, rms=0.198723Jy sigma=0.001431 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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 = 0.000597894 Jy ! Component: 100 - total flux cleaned = 0.0011587 Jy ! Component: 150 - total flux cleaned = 0.00184683 Jy ! Component: 200 - total flux cleaned = 0.00231928 Jy ! Total flux subtracted in 200 components = 0.00231928 Jy ! Clean residual min=-0.007773 max=0.007799 Jy/beam ! Clean residual mean=-0.000209 rms=0.002369 Jy/beam ! Combined flux in latest and established models = 2.34689 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 148 components and 2.34689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198697Jy sigma=0.001431 ! Fit after self-cal, rms=0.198673Jy sigma=0.001431 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec 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 ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.6825 mas, bmaj=2.108 mas, bpa=-5.958 degrees ! Estimated noise=494.457 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6825 x 2.108 at -5.958 degrees (North through East) ! Clean map min=-0.0082994 max=1.5463 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=0.198673Jy sigma=0.001431 ! Fit after self-cal, rms=0.185522Jy sigma=0.001164 ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.6832 mas, bmaj=2.106 mas, bpa=-5.936 degrees ! Estimated noise=493.683 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0021736 Jy ! Component: 100 - total flux cleaned = -0.00178378 Jy ! Component: 150 - total flux cleaned = -0.00161555 Jy ! Component: 200 - total flux cleaned = -0.00161626 Jy ! Total flux subtracted in 200 components = -0.00161626 Jy ! Clean residual min=-0.008265 max=0.007893 Jy/beam ! Clean residual mean=-0.000009 rms=0.001652 Jy/beam ! Combined flux in latest and established models = 2.34527 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 157 components and 2.34527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185147Jy sigma=0.001160 ! Fit after self-cal, rms=0.185139Jy sigma=0.001160 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.54134e-05 Jy ! Component: 100 - total flux cleaned = 0.00027299 Jy ! Component: 150 - total flux cleaned = 0.000409409 Jy ! Component: 200 - total flux cleaned = 0.000417637 Jy ! Total flux subtracted in 200 components = 0.000417637 Jy ! Clean residual min=-0.008316 max=0.007638 Jy/beam ! Clean residual mean=-0.000016 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 2.34569 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 161 components and 2.34569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184925Jy sigma=0.001157 ! Fit after self-cal, rms=0.184919Jy sigma=0.001157 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184919Jy sigma=0.001157 ! Fit after self-cal, rms=0.184661Jy sigma=0.001157 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 ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.5252 mas, bmaj=1.305 mas, bpa=-3.197 degrees ! Estimated noise=1071.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.17355 Jy ! Component: 100 - total flux cleaned = 1.57544 Jy ! Component: 150 - total flux cleaned = 1.7865 Jy ! Component: 200 - total flux cleaned = 1.91003 Jy ! Total flux subtracted in 200 components = 1.91003 Jy ! Clean residual min=-0.025372 max=0.067830 Jy/beam ! Clean residual mean=0.001942 rms=0.009834 Jy/beam ! Combined flux in latest and established models = 1.91003 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.91003 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.684 mas, bmaj=2.104 mas, bpa=-5.907 degrees ! Estimated noise=493.37 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 = 0.134697 Jy ! Component: 100 - total flux cleaned = 0.21756 Jy ! Component: 150 - total flux cleaned = 0.271877 Jy ! Component: 200 - total flux cleaned = 0.308576 Jy ! Total flux subtracted in 200 components = 0.308576 Jy ! Clean residual min=-0.009326 max=0.020216 Jy/beam ! Clean residual mean=0.002612 rms=0.004683 Jy/beam ! Combined flux in latest and established models = 2.2186 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 50 components and 2.2186 Jy ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0261072 Jy ! Component: 100 - total flux cleaned = 0.0460522 Jy ! Component: 150 - total flux cleaned = 0.0620099 Jy ! Component: 200 - total flux cleaned = 0.0749551 Jy ! Total flux subtracted in 200 components = 0.0749551 Jy ! Clean residual min=-0.006290 max=0.010518 Jy/beam ! Clean residual mean=0.001039 rms=0.002318 Jy/beam ! Combined flux in latest and established models = 2.29356 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 80 components and 2.29356 Jy ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Added new window around map position (6.6, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011457 Jy ! Component: 100 - total flux cleaned = 0.0205874 Jy ! Component: 150 - total flux cleaned = 0.0282227 Jy ! Component: 200 - total flux cleaned = 0.0346169 Jy ! Total flux subtracted in 200 components = 0.0346169 Jy ! Clean residual min=-0.005840 max=0.005737 Jy/beam ! Clean residual mean=0.000369 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 2.32818 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 95 components and 2.32818 Jy ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=2.058 mas, bmaj=3.646 mas, bpa=-3.137 degrees ! Estimated noise=668.192 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00830903 Jy ! Component: 100 - total flux cleaned = 0.0132475 Jy ! Component: 150 - total flux cleaned = 0.016484 Jy ! Component: 200 - total flux cleaned = 0.0174 Jy ! Total flux subtracted in 200 components = 0.0174 Jy ! Clean residual min=-0.004451 max=0.004177 Jy/beam ! Clean residual mean=0.000095 rms=0.001539 Jy/beam ! Combined flux in latest and established models = 2.34558 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 = 0.000436684 Jy ! Component: 100 - total flux cleaned = 0.000816185 Jy ! Component: 150 - total flux cleaned = 0.00108898 Jy ! Component: 200 - total flux cleaned = 0.00144753 Jy ! Total flux subtracted in 200 components = 0.00144753 Jy ! Clean residual min=-0.004549 max=0.004019 Jy/beam ! Clean residual mean=0.000026 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 2.34702 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 132 components and 2.34702 Jy ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! Estimated beam: bmin=0.684 mas, bmaj=2.104 mas, bpa=-5.907 degrees ! Estimated noise=493.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00209251 Jy ! Component: 100 - total flux cleaned = -0.00224344 Jy ! Component: 150 - total flux cleaned = -0.00197892 Jy ! Component: 200 - total flux cleaned = -0.00185833 Jy ! Total flux subtracted in 200 components = -0.00185833 Jy ! Clean residual min=-0.005107 max=0.003818 Jy/beam ! Clean residual mean=0.000037 rms=0.001223 Jy/beam ! Combined flux in latest and established models = 2.34517 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 149 components and 2.34516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184223Jy sigma=0.001152 ! Fit after self-cal, rms=0.183794Jy sigma=0.001150 wmodel J2246-1206_X_2001_07_05_pus_map.mod ! Writing 149 model components to file: J2246-1206_X_2001_07_05_pus_map.mod wobs J2246-1206_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J2246-1206_X_2001_07_05_pus_uvs.fits wwins J2246-1206_X_2001_07_05_pus_map.win ! wwins: Wrote 5 windows to J2246-1206_X_2001_07_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00200335 Jy ! Component: 100 - total flux cleaned = -0.0028443 Jy ! Component: 150 - total flux cleaned = -0.00319834 Jy ! Component: 200 - total flux cleaned = -0.00346492 Jy ! Component: 250 - total flux cleaned = -0.00378296 Jy ! Component: 300 - total flux cleaned = -0.00408674 Jy ! Component: 350 - total flux cleaned = -0.00420486 Jy ! Component: 400 - total flux cleaned = -0.00420527 Jy ! Component: 450 - total flux cleaned = -0.00426126 Jy ! Component: 500 - total flux cleaned = -0.00420725 Jy ! Component: 550 - total flux cleaned = -0.00420712 Jy ! Component: 600 - total flux cleaned = -0.00410377 Jy ! Component: 650 - total flux cleaned = -0.00400355 Jy ! Component: 700 - total flux cleaned = -0.00405306 Jy ! Component: 750 - total flux cleaned = -0.00405281 Jy ! Component: 800 - total flux cleaned = -0.00405239 Jy ! Component: 850 - total flux cleaned = -0.00409846 Jy ! Component: 900 - total flux cleaned = -0.00409779 Jy ! Component: 950 - total flux cleaned = -0.00405271 Jy ! Component: 1000 - total flux cleaned = -0.00396466 Jy ! Total flux subtracted in 1024 components = -0.00396466 Jy ! Clean residual min=-0.002253 max=0.002258 Jy/beam ! Clean residual mean=0.000155 rms=0.000854 Jy/beam ! Combined flux in latest and established models = 2.3412 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 209 components and 2.3412 Jy wmap "J2246-1206_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.684 x 2.104 at -5.907 degrees (North through East) ! Clean map min=-0.0041788 max=1.5502 Jy/beam ! Writing clean map to FITS file: J2246-1206_X_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.55021 invert ! Inverting map ! Your choice of large map pixels excluded 2.96% of the data. ! The x-axis pixel size should ideally be below 0.1613 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000850651 device "J2246-1206_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.16462 0.16462 0.32924 0.658481 1.31696 2.63392 5.26785 10.5357 21.0714 42.1428 84.2855 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.55 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.684 x 2.104 at -5.907 degrees (North through East) ! Clean map min=-0.0041788 max=1.5502 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_X_2001_07_05_pus_uvs.log closed on Wed Jul 4 22:08:17 2007