! Started logfile: J1924-2914_S_2001_07_05_pus_uvs.log on Fri Aug 10 02:34:09 2007 obs J1924-2914_S_2001_07_05_pus_uva.fits ! Reading UV FITS file: J1924-2914_S_2001_07_05_pus_uva.fits ! AN table 1: 75 integrations on 171 of 171 possible baselines. ! AN table 2: 58 integrations on 171 of 171 possible baselines. ! AN table 3: 45 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0637361 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! 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. ! 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1774 lines of history. ! ! Reading 7760 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1042 telescope corrections were flagged in sub-array 1. ! A total of 872 telescope corrections were flagged in sub-array 2. ! A total of 807 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1042 telescope corrections were flagged in sub-array 1. ! A total of 873 telescope corrections were flagged in sub-array 2. ! A total of 807 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1042 telescope corrections were flagged in sub-array 1. ! A total of 872 telescope corrections were flagged in sub-array 2. ! A total of 807 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1042 telescope corrections were flagged in sub-array 1. ! A total of 872 telescope corrections were flagged in sub-array 2. ! A total of 807 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=5.697794Jy sigma=0.041848 ! Fit after self-cal, rms=5.397286Jy sigma=0.039358 ! 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=2.298 mas, bmaj=5.586 mas, bpa=0.5083 degrees ! Estimated noise=1708.25 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 = 3.46691 Jy ! Component: 100 - total flux cleaned = 4.90791 Jy ! Total flux subtracted in 100 components = 4.90791 Jy ! Clean residual min=-0.376749 max=0.999306 Jy/beam ! Clean residual mean=0.005820 rms=0.139790 Jy/beam ! Combined flux in latest and established models = 4.90791 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 4.90791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.799911Jy sigma=0.020128 ! Fit after self-cal, rms=2.796378Jy sigma=0.020098 ! Inverting map ! Added new window around map position (4, 4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.06456 Jy ! Component: 100 - total flux cleaned = 1.78472 Jy ! Total flux subtracted in 100 components = 1.78472 Jy ! Clean residual min=-0.264875 max=0.630218 Jy/beam ! Clean residual mean=0.002773 rms=0.093230 Jy/beam ! Combined flux in latest and established models = 6.69263 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 50 components and 6.69263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.940066Jy sigma=0.013605 ! Fit after self-cal, rms=1.913725Jy sigma=0.013434 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.908 mas, bmaj=8.297 mas, bpa=0.7576 degrees ! Estimated noise=1146.48 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 = 0.939652 Jy ! Component: 100 - total flux cleaned = 1.46625 Jy ! Component: 150 - total flux cleaned = 1.77553 Jy ! Component: 200 - total flux cleaned = 1.9598 Jy ! Total flux subtracted in 200 components = 1.9598 Jy ! Clean residual min=-0.200913 max=0.269398 Jy/beam ! Clean residual mean=-0.004485 rms=0.058816 Jy/beam ! Combined flux in latest and established models = 8.65242 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 76 components and 8.65242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.377105Jy sigma=0.009518 ! Fit after self-cal, rms=1.362110Jy sigma=0.009395 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.20 KK 1.00 KP 0.75 ! LA 1.00 MC 1.00* MK 1.00 NL 1.12 ! NY 1.00* OV 1.03 PT 0.98 SC 1.00 ! TS 1.00* WF 1.03 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.02 KP 1.02 ! LA 1.05 MC 1.00* MK 0.95 NL 1.00* ! NY 1.00* OV 0.95 PT 0.95 SC 1.00* ! TS 1.09 WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.19 KK 1.00 KP 0.93 ! LA 0.98 MC 1.00* MK 0.95 NL 1.07 ! NY 1.00* OV 1.07 PT 1.04 SC 1.01 ! TS 1.00* WF 1.00 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.03 KP 0.98 ! LA 1.01 MC 1.00* MK 0.93 NL 1.00* ! NY 1.00* OV 0.98 PT 0.98 SC 1.00* ! TS 1.06 WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.33 KK 1.03 KP 0.91 ! LA 1.04 MC 1.00* MK 0.96 NL 1.13 ! NY 1.00* OV 1.10 PT 1.03 SC 1.00 ! TS 1.00* WF 1.03 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.01 KP 1.07 ! LA 1.00 MC 1.00* MK 0.96 NL 1.00* ! NY 1.00* OV 1.00 PT 0.99 SC 1.00* ! TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.11 KK 0.98 KP 0.83 ! LA 1.01 MC 1.00* MK 0.96 NL 1.09 ! NY 1.00* OV 1.06 PT 0.97 SC 1.01 ! TS 1.00* WF 1.01 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.02 KP 1.07 ! LA 0.99 MC 1.00* MK 0.95 NL 1.00* ! NY 1.00* OV 0.98 PT 1.05 SC 1.00* ! TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=1.362110Jy sigma=0.009395 ! Fit after self-cal, rms=1.095468Jy sigma=0.008281 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.872 mas, bmaj=10.1 mas, bpa=-1.327 degrees ! Estimated noise=1209.4 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 = 0.111416 Jy ! Component: 100 - total flux cleaned = 0.130305 Jy ! Component: 150 - total flux cleaned = 0.134985 Jy ! Component: 200 - total flux cleaned = 0.13639 Jy ! Total flux subtracted in 200 components = 0.13639 Jy ! Clean residual min=-0.155272 max=0.190544 Jy/beam ! Clean residual mean=0.004616 rms=0.053816 Jy/beam ! Combined flux in latest and established models = 8.78881 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 84 components and 8.78882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.079001Jy sigma=0.008248 ! Fit after self-cal, rms=1.076405Jy sigma=0.008233 ! 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=1.076405Jy sigma=0.008233 ! Fit after self-cal, rms=0.498842Jy sigma=0.002738 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.869 mas, bmaj=10.05 mas, bpa=-1.373 degrees ! Estimated noise=1213.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0215822 Jy ! Component: 100 - total flux cleaned = -0.00963063 Jy ! Component: 150 - total flux cleaned = -0.00804784 Jy ! Component: 200 - total flux cleaned = -0.00804264 Jy ! Total flux subtracted in 200 components = -0.00804264 Jy ! Clean residual min=-0.082866 max=0.073188 Jy/beam ! Clean residual mean=0.000253 rms=0.014626 Jy/beam ! Combined flux in latest and established models = 8.78077 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 91 components and 8.78077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.482233Jy sigma=0.002589 ! Fit after self-cal, rms=0.477516Jy sigma=0.002543 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 = -0.00796816 Jy ! Component: 100 - total flux cleaned = 0.00142599 Jy ! Component: 150 - total flux cleaned = 0.00276929 Jy ! Component: 200 - total flux cleaned = 0.00281454 Jy ! Total flux subtracted in 200 components = 0.00281454 Jy ! Clean residual min=-0.073085 max=0.063582 Jy/beam ! Clean residual mean=0.000172 rms=0.013390 Jy/beam ! Combined flux in latest and established models = 8.78359 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 96 components and 8.78359 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466663Jy sigma=0.002444 ! Fit after self-cal, rms=0.462980Jy sigma=0.002409 ! 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=0.462980Jy sigma=0.002409 ! Fit after self-cal, rms=0.461758Jy sigma=0.002399 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.872 mas, bmaj=10.03 mas, bpa=-1.322 degrees ! Estimated noise=1213.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0164724 Jy ! Component: 100 - total flux cleaned = -0.00978468 Jy ! Component: 150 - total flux cleaned = -0.00556454 Jy ! Component: 200 - total flux cleaned = -0.00468647 Jy ! Total flux subtracted in 200 components = -0.00468647 Jy ! Clean residual min=-0.067560 max=0.055726 Jy/beam ! Clean residual mean=0.000545 rms=0.012244 Jy/beam ! Combined flux in latest and established models = 8.7789 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 99 components and 8.7789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.453143Jy sigma=0.002317 ! Fit after self-cal, rms=0.450247Jy sigma=0.002287 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 = -0.00582623 Jy ! Component: 100 - total flux cleaned = -0.00252805 Jy ! Component: 150 - total flux cleaned = -0.00164114 Jy ! Component: 200 - total flux cleaned = -0.000879013 Jy ! Total flux subtracted in 200 components = -0.000879013 Jy ! Clean residual min=-0.062709 max=0.050494 Jy/beam ! Clean residual mean=0.000569 rms=0.011465 Jy/beam ! Combined flux in latest and established models = 8.77802 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 103 components and 8.77802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.443969Jy sigma=0.002230 ! Fit after self-cal, rms=0.441823Jy sigma=0.002206 ! 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=0.441823Jy sigma=0.002206 ! Fit after self-cal, rms=0.441467Jy sigma=0.002202 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.6 mas, bmaj=19.55 mas, bpa=2.964 degrees ! Estimated noise=1574.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00333325 Jy ! Component: 100 - total flux cleaned = -0.0034508 Jy ! Component: 150 - total flux cleaned = -0.00216686 Jy ! Component: 200 - total flux cleaned = -0.000754503 Jy ! Total flux subtracted in 200 components = -0.000754503 Jy ! Clean residual min=-0.022045 max=0.028121 Jy/beam ! Clean residual mean=0.001356 rms=0.008325 Jy/beam ! Combined flux in latest and established models = 8.77727 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 106 components and 8.77727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.438041Jy sigma=0.002161 ! Fit after self-cal, rms=0.436172Jy sigma=0.002142 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 = -0.00398083 Jy ! Component: 100 - total flux cleaned = -0.00320641 Jy ! Component: 150 - total flux cleaned = -0.00204578 Jy ! Component: 200 - total flux cleaned = -0.00158364 Jy ! Total flux subtracted in 200 components = -0.00158364 Jy ! Clean residual min=-0.021170 max=0.028440 Jy/beam ! Clean residual mean=0.001457 rms=0.008157 Jy/beam ! Combined flux in latest and established models = 8.77568 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 112 components and 8.77569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433890Jy sigma=0.002114 ! Fit after self-cal, rms=0.432568Jy sigma=0.002101 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.875 mas, bmaj=10.02 mas, bpa=-1.286 degrees ! Estimated noise=1214.02 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.875 x 10.02 at -1.286 degrees (North through East) ! Clean map min=-0.052854 max=4.4833 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=0.432568Jy sigma=0.002101 ! Fit after self-cal, rms=0.508026Jy sigma=0.001806 ! Inverting map and beam ! Estimated beam: bmin=2.879 mas, bmaj=10.01 mas, bpa=-1.257 degrees ! Estimated noise=1216.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00091079 Jy ! Component: 100 - total flux cleaned = 0.00285143 Jy ! Component: 150 - total flux cleaned = 0.0027737 Jy ! Component: 200 - total flux cleaned = 0.00339542 Jy ! Total flux subtracted in 200 components = 0.00339542 Jy ! Clean residual min=-0.051187 max=0.042025 Jy/beam ! Clean residual mean=0.000806 rms=0.009723 Jy/beam ! Combined flux in latest and established models = 8.77908 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 118 components and 8.77908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.504588Jy sigma=0.001765 ! Fit after self-cal, rms=0.503576Jy sigma=0.001750 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00268241 Jy ! Component: 100 - total flux cleaned = -0.0035035 Jy ! Component: 150 - total flux cleaned = -0.00286576 Jy ! Component: 200 - total flux cleaned = -0.00225112 Jy ! Total flux subtracted in 200 components = -0.00225112 Jy ! Clean residual min=-0.048752 max=0.041156 Jy/beam ! Clean residual mean=0.000871 rms=0.009305 Jy/beam ! Combined flux in latest and established models = 8.77683 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 120 components and 8.77683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.500857Jy sigma=0.001719 ! Fit after self-cal, rms=0.500058Jy sigma=0.001707 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.500058Jy sigma=0.001707 ! Fit after self-cal, rms=0.500221Jy sigma=0.001705 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=2.305 mas, bmaj=7.79 mas, bpa=-2.483 degrees ! Estimated noise=1766.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.69258 Jy ! Component: 100 - total flux cleaned = 5.29377 Jy ! Component: 150 - total flux cleaned = 6.29281 Jy ! Component: 200 - total flux cleaned = 6.96357 Jy ! Total flux subtracted in 200 components = 6.96357 Jy ! Clean residual min=-0.158113 max=0.374510 Jy/beam ! Clean residual mean=0.000424 rms=0.059903 Jy/beam ! Combined flux in latest and established models = 6.96357 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 48 model components to the UV plane model. ! The established model now contains 48 components and 6.96357 Jy ! Inverting map and beam ! Estimated beam: bmin=2.88 mas, bmaj=10 mas, bpa=-1.246 degrees ! Estimated noise=1216.73 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 = 0.765661 Jy ! Component: 100 - total flux cleaned = 1.19158 Jy ! Component: 150 - total flux cleaned = 1.43935 Jy ! Component: 200 - total flux cleaned = 1.58531 Jy ! Total flux subtracted in 200 components = 1.58531 Jy ! Clean residual min=-0.041928 max=0.098775 Jy/beam ! Clean residual mean=0.007352 rms=0.015359 Jy/beam ! Combined flux in latest and established models = 8.54888 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 91 components and 8.54888 Jy ! Inverting map ! Added new window around map position (-3.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0990013 Jy ! Component: 100 - total flux cleaned = 0.151111 Jy ! Component: 150 - total flux cleaned = 0.165925 Jy ! Component: 200 - total flux cleaned = 0.175189 Jy ! Total flux subtracted in 200 components = 0.175189 Jy ! Clean residual min=-0.036153 max=0.055682 Jy/beam ! Clean residual mean=0.002380 rms=0.009007 Jy/beam ! Combined flux in latest and established models = 8.72407 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 112 components and 8.72407 Jy ! Inverting map ! Added new window around map position (10.5, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0400723 Jy ! Component: 100 - total flux cleaned = 0.0427398 Jy ! Component: 150 - total flux cleaned = 0.0463548 Jy ! Component: 200 - total flux cleaned = 0.0496567 Jy ! Total flux subtracted in 200 components = 0.0496567 Jy ! Clean residual min=-0.032312 max=0.029830 Jy/beam ! Clean residual mean=0.000944 rms=0.007067 Jy/beam ! Combined flux in latest and established models = 8.77373 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 134 components and 8.77373 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=7.604 mas, bmaj=19.56 mas, bpa=3.021 degrees ! Estimated noise=1577.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0177775 Jy ! Component: 100 - total flux cleaned = 0.0206611 Jy ! Component: 150 - total flux cleaned = 0.0209838 Jy ! Component: 200 - total flux cleaned = 0.0207113 Jy ! Total flux subtracted in 200 components = 0.0207113 Jy ! Clean residual min=-0.013905 max=0.018193 Jy/beam ! Clean residual mean=0.000747 rms=0.006075 Jy/beam ! Combined flux in latest and established models = 8.79444 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 = -0.000249878 Jy ! Component: 100 - total flux cleaned = -0.000484821 Jy ! Component: 150 - total flux cleaned = -0.000688298 Jy ! Component: 200 - total flux cleaned = -0.000877045 Jy ! Total flux subtracted in 200 components = -0.000877045 Jy ! Clean residual min=-0.013913 max=0.018207 Jy/beam ! Clean residual mean=0.000815 rms=0.005963 Jy/beam ! Combined flux in latest and established models = 8.79356 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 166 components and 8.79356 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.88 mas, bmaj=10 mas, bpa=-1.246 degrees ! Estimated noise=1216.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00408775 Jy ! Component: 100 - total flux cleaned = -0.00491689 Jy ! Component: 150 - total flux cleaned = -0.00416314 Jy ! Component: 200 - total flux cleaned = -0.0035132 Jy ! Total flux subtracted in 200 components = -0.0035132 Jy ! Clean residual min=-0.027375 max=0.027310 Jy/beam ! Clean residual mean=0.000483 rms=0.006364 Jy/beam ! Combined flux in latest and established models = 8.79005 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 182 components and 8.79005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.479777Jy sigma=0.001473 ! Fit after self-cal, rms=0.478121Jy sigma=0.001444 wmodel J1924-2914_S_2001_07_05_pus_map.mod ! Writing 182 model components to file: J1924-2914_S_2001_07_05_pus_map.mod wobs J1924-2914_S_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J1924-2914_S_2001_07_05_pus_uvs.fits wwins J1924-2914_S_2001_07_05_pus_map.win ! wwins: Wrote 4 windows to J1924-2914_S_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 ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00236647 Jy ! Component: 100 - total flux cleaned = -0.00326757 Jy ! Component: 150 - total flux cleaned = -0.00368663 Jy ! Component: 200 - total flux cleaned = -0.00488475 Jy ! Component: 250 - total flux cleaned = -0.00526579 Jy ! Component: 300 - total flux cleaned = -0.00600258 Jy ! Component: 350 - total flux cleaned = -0.00670614 Jy ! Component: 400 - total flux cleaned = -0.00568716 Jy ! Component: 450 - total flux cleaned = -0.00437522 Jy ! Component: 500 - total flux cleaned = -0.00373771 Jy ! Component: 550 - total flux cleaned = -0.00342545 Jy ! Component: 600 - total flux cleaned = -0.00282276 Jy ! Component: 650 - total flux cleaned = -0.00223095 Jy ! Component: 700 - total flux cleaned = -0.00136888 Jy ! Component: 750 - total flux cleaned = -0.000810405 Jy ! Component: 800 - total flux cleaned = -0.000541165 Jy ! Component: 850 - total flux cleaned = -0.000268228 Jy ! Component: 900 - total flux cleaned = 0.000784495 Jy ! Component: 950 - total flux cleaned = 0.00129939 Jy ! Component: 1000 - total flux cleaned = 0.00155545 Jy ! Component: 1050 - total flux cleaned = 0.00230268 Jy ! Component: 1100 - total flux cleaned = 0.00303158 Jy ! Component: 1150 - total flux cleaned = 0.00350668 Jy ! Component: 1200 - total flux cleaned = 0.00374195 Jy ! Component: 1250 - total flux cleaned = 0.00420124 Jy ! Component: 1300 - total flux cleaned = 0.00442943 Jy ! Component: 1350 - total flux cleaned = 0.00531675 Jy ! Component: 1400 - total flux cleaned = 0.00575242 Jy ! Component: 1450 - total flux cleaned = 0.00639614 Jy ! Component: 1500 - total flux cleaned = 0.00681928 Jy ! Component: 1550 - total flux cleaned = 0.0074446 Jy ! Component: 1600 - total flux cleaned = 0.00805967 Jy ! Component: 1650 - total flux cleaned = 0.00846396 Jy ! Component: 1700 - total flux cleaned = 0.00906189 Jy ! Component: 1750 - total flux cleaned = 0.00945592 Jy ! Component: 1800 - total flux cleaned = 0.00984344 Jy ! Component: 1850 - total flux cleaned = 0.0102273 Jy ! Component: 1900 - total flux cleaned = 0.0106057 Jy ! Component: 1950 - total flux cleaned = 0.0107943 Jy ! Component: 2000 - total flux cleaned = 0.0115328 Jy ! Total flux subtracted in 2048 components = 0.0117147 Jy ! Clean residual min=-0.009850 max=0.009822 Jy/beam ! Clean residual mean=0.000286 rms=0.003585 Jy/beam ! Combined flux in latest and established models = 8.80177 Jy keep ! Adding 125 model components to the UV plane model. ! The established model now contains 307 components and 8.80176 Jy wmap "J1924-2914_S_2001_07_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.88 x 10 at -1.246 degrees (North through East) ! Clean map min=-0.03953 max=4.5326 Jy/beam ! Writing clean map to FITS file: J1924-2914_S_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 4.53258 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00361211 device "J1924-2914_S_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_S_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.239077 0.239077 0.478153 0.956307 1.91261 3.82523 7.65045 15.3009 30.6018 61.2036 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0108 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.532 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.88 x 10 at -1.246 degrees (North through East) ! Clean map min=-0.03953 max=4.5326 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_S_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_S_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_S_2001_07_05_pus_uvs.log closed on Fri Aug 10 02:35:27 2007