! Started logfile: J1147-0724_X_2001_07_05_pus_uvs.log on Thu Jul 5 15:21:03 2007 obs J1147-0724_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J1147-0724_X_2001_07_05_pus_uva.fits ! AN table 1: 288 integrations on 171 of 171 possible baselines. ! AN table 2: 80 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.136299 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1147-0724 ! 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 2374 lines of history. ! ! Reading 34308 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 3989 telescope corrections were flagged in sub-array 1. ! A total of 1182 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3979 telescope corrections were flagged in sub-array 1. ! A total of 1184 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3984 telescope corrections were flagged in sub-array 1. ! A total of 1182 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3975 telescope corrections were flagged in sub-array 1. ! A total of 1190 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.936522Jy sigma=0.007812 ! Fit after self-cal, rms=0.492472Jy sigma=0.003748 ! 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 7.29% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.5568 mas, bmaj=1.363 mas, bpa=-0.03699 degrees ! Estimated noise=1308.01 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 = 0.427646 Jy ! Component: 100 - total flux cleaned = 0.53166 Jy ! Total flux subtracted in 100 components = 0.53166 Jy ! Clean residual min=-0.018241 max=0.040562 Jy/beam ! Clean residual mean=0.000212 rms=0.007096 Jy/beam ! Combined flux in latest and established models = 0.53166 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.53166 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227101Jy sigma=0.001585 ! Fit after self-cal, rms=0.227161Jy sigma=0.001584 ! Inverting map ! Your choice of large map pixels excluded 7.29% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0453962 Jy ! Component: 100 - total flux cleaned = 0.0706654 Jy ! Total flux subtracted in 100 components = 0.0706654 Jy ! Clean residual min=-0.016716 max=0.036436 Jy/beam ! Clean residual mean=0.000206 rms=0.006216 Jy/beam ! Combined flux in latest and established models = 0.602325 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 15 components and 0.602325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212553Jy sigma=0.001415 ! Fit after self-cal, rms=0.212574Jy sigma=0.001414 ! Inverting map ! Your choice of large map pixels excluded 7.29% of the data. ! The x-axis pixel size should ideally be below 0.162 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 7.29% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6573 mas, bmaj=1.652 mas, bpa=-1.432 degrees ! Estimated noise=518.217 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0433599 Jy ! Component: 100 - total flux cleaned = 0.0676432 Jy ! Component: 150 - total flux cleaned = 0.0823863 Jy ! Component: 200 - total flux cleaned = 0.0919629 Jy ! Total flux subtracted in 200 components = 0.0919629 Jy ! Clean residual min=-0.009549 max=0.013019 Jy/beam ! Clean residual mean=0.000886 rms=0.002885 Jy/beam ! Combined flux in latest and established models = 0.694288 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.694288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205438Jy sigma=0.001316 ! Fit after self-cal, rms=0.204886Jy sigma=0.001310 ! Inverting map ! Your choice of large map pixels excluded 7.29% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 2.37 GG 1.00* ! HH 1.10 HN 0.99 KK 0.97 KP 0.96 ! LA 0.96 MC 1.24 MK 0.96 NL 1.02 ! NY 1.00* OV 1.00 PT 0.98 SC 0.96 ! TS 1.00* WF 1.02 WZ 0.91 ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.04 GC 0.92 GG 1.00* ! HH 1.00* HN 1.00* KK 0.95 KP 0.97 ! LA 1.00 MC 1.00* MK 0.94 NL 1.12 ! NY 1.00* OV 1.01 PT 1.00 SC 1.00* ! TS 1.04 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GC 2.51 GG 1.00* ! HH 1.20 HN 0.99 KK 0.96 KP 0.95 ! LA 0.96 MC 1.25 MK 0.95 NL 0.97 ! NY 1.00* OV 1.01 PT 0.95 SC 0.92 ! TS 1.00* WF 1.00 WZ 0.90 ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 GC 0.90 GG 1.00* ! HH 1.00* HN 1.00* KK 0.99 KP 0.98 ! LA 1.00 MC 1.00* MK 0.92 NL 1.10 ! NY 1.00* OV 1.02 PT 0.96 SC 1.00* ! TS 1.03 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 GC 2.45 GG 1.00* ! HH 1.26 HN 1.00 KK 0.96 KP 1.00 ! LA 0.99 MC 1.31 MK 0.98 NL 1.02 ! NY 1.00* OV 1.07 PT 0.99 SC 0.94 ! TS 1.00* WF 1.00 WZ 0.90 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 GC 0.94 GG 1.00* ! HH 1.00* HN 1.00* KK 0.90 KP 1.04 ! LA 1.01 MC 1.00* MK 0.96 NL 1.14 ! NY 1.00* OV 1.06 PT 0.99 SC 1.00* ! TS 1.06 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 GC 2.92 GG 1.00* ! HH 1.46 HN 1.02 KK 1.00 KP 0.96 ! LA 0.97 MC 1.30 MK 1.03 NL 1.03 ! NY 1.00* OV 1.05 PT 0.98 SC 1.00 ! TS 1.00* WF 1.00 WZ 0.92 ! ! A total of 51 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00 GC 0.93 GG 1.00* ! HH 1.00* HN 1.00* KK 1.12 KP 0.99 ! LA 1.01 MC 1.00* MK 0.99 NL 1.14 ! NY 1.00* OV 1.04 PT 1.00 SC 1.00* ! TS 1.07 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.204886Jy sigma=0.001310 ! Fit after self-cal, rms=0.216123Jy sigma=0.001239 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6667 mas, bmaj=1.737 mas, bpa=-2.273 degrees ! Estimated noise=518.832 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 = 0.00632258 Jy ! Component: 100 - total flux cleaned = 0.00673707 Jy ! Component: 150 - total flux cleaned = 0.00706949 Jy ! Component: 200 - total flux cleaned = 0.00748647 Jy ! Total flux subtracted in 200 components = 0.00748647 Jy ! Clean residual min=-0.005572 max=0.006509 Jy/beam ! Clean residual mean=0.000561 rms=0.001475 Jy/beam ! Combined flux in latest and established models = 0.701774 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 56 components and 0.701774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215616Jy sigma=0.001235 ! Fit after self-cal, rms=0.215753Jy sigma=0.001235 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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=0.215753Jy sigma=0.001235 ! Fit after self-cal, rms=0.214994Jy sigma=0.001222 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6667 mas, bmaj=1.731 mas, bpa=-2.183 degrees ! Estimated noise=518.171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00674001 Jy ! Component: 100 - total flux cleaned = 0.00838025 Jy ! Component: 150 - total flux cleaned = 0.00929867 Jy ! Component: 200 - total flux cleaned = 0.0097101 Jy ! Total flux subtracted in 200 components = 0.0097101 Jy ! Clean residual min=-0.002830 max=0.003345 Jy/beam ! Clean residual mean=0.000281 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 0.711485 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 0.711484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214766Jy sigma=0.001220 ! Fit after self-cal, rms=0.214741Jy sigma=0.001219 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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 (2.8, -12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329492 Jy ! Component: 100 - total flux cleaned = 0.00414694 Jy ! Component: 150 - total flux cleaned = 0.00463751 Jy ! Component: 200 - total flux cleaned = 0.00500008 Jy ! Total flux subtracted in 200 components = 0.00500008 Jy ! Clean residual min=-0.003023 max=0.002970 Jy/beam ! Clean residual mean=0.000225 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.716485 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.716484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214665Jy sigma=0.001219 ! Fit after self-cal, rms=0.214663Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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=0.214663Jy sigma=0.001219 ! Fit after self-cal, rms=0.215040Jy sigma=0.001218 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6669 mas, bmaj=1.733 mas, bpa=-2.2 degrees ! Estimated noise=517.835 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00233794 Jy ! Component: 100 - total flux cleaned = 0.00303825 Jy ! Component: 150 - total flux cleaned = 0.00337533 Jy ! Component: 200 - total flux cleaned = 0.00347896 Jy ! Total flux subtracted in 200 components = 0.00347896 Jy ! Clean residual min=-0.002276 max=0.002558 Jy/beam ! Clean residual mean=0.000125 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.719963 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 0.719964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215007Jy sigma=0.001218 ! Fit after self-cal, rms=0.215004Jy sigma=0.001218 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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 = 0.000506371 Jy ! Component: 100 - total flux cleaned = 0.000664526 Jy ! Component: 150 - total flux cleaned = 0.000714463 Jy ! Component: 200 - total flux cleaned = 0.000715668 Jy ! Total flux subtracted in 200 components = 0.000715668 Jy ! Clean residual min=-0.002271 max=0.002518 Jy/beam ! Clean residual mean=0.000116 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.720679 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 0.720679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214987Jy sigma=0.001218 ! Fit after self-cal, rms=0.214988Jy sigma=0.001218 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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=0.214988Jy sigma=0.001218 ! Fit after self-cal, rms=0.215772Jy sigma=0.001218 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=2.202 mas, bmaj=3.423 mas, bpa=-4.269 degrees ! Estimated noise=679.695 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120002 Jy ! Component: 100 - total flux cleaned = 0.00127281 Jy ! Component: 150 - total flux cleaned = 0.00116446 Jy ! Component: 200 - total flux cleaned = 0.00102555 Jy ! Total flux subtracted in 200 components = 0.00102555 Jy ! Clean residual min=-0.002726 max=0.003111 Jy/beam ! Clean residual mean=0.000194 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 0.721705 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 89 components and 0.721705 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215769Jy sigma=0.001218 ! Fit after self-cal, rms=0.215764Jy sigma=0.001217 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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 = 0.000191429 Jy ! Component: 100 - total flux cleaned = 0.000169796 Jy ! Component: 150 - total flux cleaned = 0.000168897 Jy ! Component: 200 - total flux cleaned = 0.00015188 Jy ! Total flux subtracted in 200 components = 0.00015188 Jy ! Clean residual min=-0.002734 max=0.003143 Jy/beam ! Clean residual mean=0.000191 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 0.721857 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 94 components and 0.721857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215763Jy sigma=0.001217 ! Fit after self-cal, rms=0.215761Jy sigma=0.001217 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6671 mas, bmaj=1.736 mas, bpa=-2.233 degrees ! Estimated noise=517.821 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6671 x 1.736 at -2.233 degrees (North through East) ! Clean map min=-0.0019209 max=0.57305 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=0.215761Jy sigma=0.001217 ! Fit after self-cal, rms=0.235834Jy sigma=0.001138 ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6675 mas, bmaj=1.734 mas, bpa=-2.217 degrees ! Estimated noise=517.563 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000460898 Jy ! Component: 100 - total flux cleaned = 0.000462159 Jy ! Component: 150 - total flux cleaned = 0.000514039 Jy ! Component: 200 - total flux cleaned = 0.00046429 Jy ! Total flux subtracted in 200 components = 0.00046429 Jy ! Clean residual min=-0.002201 max=0.002292 Jy/beam ! Clean residual mean=0.000044 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.722321 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 0.722321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235800Jy sigma=0.001138 ! Fit after self-cal, rms=0.235803Jy sigma=0.001138 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000206742 Jy ! Component: 100 - total flux cleaned = 0.000114118 Jy ! Component: 150 - total flux cleaned = 0.000113988 Jy ! Component: 200 - total flux cleaned = 0.000112266 Jy ! Total flux subtracted in 200 components = 0.000112266 Jy ! Clean residual min=-0.002199 max=0.002292 Jy/beam ! Clean residual mean=0.000042 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.722433 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 100 components and 0.722433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235792Jy sigma=0.001138 ! Fit after self-cal, rms=0.235794Jy sigma=0.001138 ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235794Jy sigma=0.001138 ! Fit after self-cal, rms=0.240418Jy sigma=0.001138 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 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.5599 mas, bmaj=1.443 mas, bpa=-1.365 degrees ! Estimated noise=1340.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.438697 Jy ! Component: 100 - total flux cleaned = 0.542037 Jy ! Component: 150 - total flux cleaned = 0.589158 Jy ! Component: 200 - total flux cleaned = 0.62068 Jy ! Total flux subtracted in 200 components = 0.62068 Jy ! Clean residual min=-0.009859 max=0.017683 Jy/beam ! Clean residual mean=0.000124 rms=0.003288 Jy/beam ! Combined flux in latest and established models = 0.62068 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 0.620681 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6676 mas, bmaj=1.738 mas, bpa=-2.249 degrees ! Estimated noise=517.575 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 = 0.0352852 Jy ! Component: 100 - total flux cleaned = 0.0569703 Jy ! Component: 150 - total flux cleaned = 0.0708633 Jy ! Component: 200 - total flux cleaned = 0.0798659 Jy ! Total flux subtracted in 200 components = 0.0798659 Jy ! Clean residual min=-0.002607 max=0.005182 Jy/beam ! Clean residual mean=0.000352 rms=0.001079 Jy/beam ! Combined flux in latest and established models = 0.700546 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 38 components and 0.700546 Jy ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Added new window around map position (-0.6, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00599453 Jy ! Component: 100 - total flux cleaned = 0.0101307 Jy ! Component: 150 - total flux cleaned = 0.0132018 Jy ! Component: 200 - total flux cleaned = 0.0155199 Jy ! Total flux subtracted in 200 components = 0.0155199 Jy ! Clean residual min=-0.002413 max=0.002262 Jy/beam ! Clean residual mean=0.000128 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.716066 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 53 components and 0.716067 Jy ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 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 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=3.424 mas, bpa=-4.29 degrees ! Estimated noise=679.424 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258264 Jy ! Component: 100 - total flux cleaned = 0.00404611 Jy ! Component: 150 - total flux cleaned = 0.00496773 Jy ! Component: 200 - total flux cleaned = 0.00557485 Jy ! Total flux subtracted in 200 components = 0.00557485 Jy ! Clean residual min=-0.002466 max=0.002974 Jy/beam ! Clean residual mean=0.000114 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 0.721641 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 = 0.000198511 Jy ! Component: 100 - total flux cleaned = 0.000273273 Jy ! Component: 150 - total flux cleaned = 0.000327028 Jy ! Component: 200 - total flux cleaned = 0.000375422 Jy ! Total flux subtracted in 200 components = 0.000375422 Jy ! Clean residual min=-0.002523 max=0.002942 Jy/beam ! Clean residual mean=0.000104 rms=0.000977 Jy/beam ! Combined flux in latest and established models = 0.722017 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 79 components and 0.722017 Jy ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6676 mas, bmaj=1.738 mas, bpa=-2.249 degrees ! Estimated noise=517.575 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00022092 Jy ! Component: 100 - total flux cleaned = -7.81047e-05 Jy ! Component: 150 - total flux cleaned = 1.03594e-05 Jy ! Component: 200 - total flux cleaned = 1.12945e-05 Jy ! Total flux subtracted in 200 components = 1.12945e-05 Jy ! Clean residual min=-0.002326 max=0.002156 Jy/beam ! Clean residual mean=0.000045 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.722028 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 90 components and 0.722028 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241065Jy sigma=0.001140 ! Fit after self-cal, rms=0.240997Jy sigma=0.001140 wmodel J1147-0724_X_2001_07_05_pus_map.mod ! Writing 90 model components to file: J1147-0724_X_2001_07_05_pus_map.mod wobs J1147-0724_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J1147-0724_X_2001_07_05_pus_uvs.fits wwins J1147-0724_X_2001_07_05_pus_map.win ! wwins: Wrote 4 windows to J1147-0724_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 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000294398 Jy ! Component: 100 - total flux cleaned = -0.000258264 Jy ! Component: 150 - total flux cleaned = -0.000221653 Jy ! Component: 200 - total flux cleaned = -0.00022175 Jy ! Component: 250 - total flux cleaned = -0.000286707 Jy ! Component: 300 - total flux cleaned = -0.000286993 Jy ! Component: 350 - total flux cleaned = -0.000317717 Jy ! Component: 400 - total flux cleaned = -0.000230108 Jy ! Component: 450 - total flux cleaned = -0.000144708 Jy ! Component: 500 - total flux cleaned = -8.91926e-05 Jy ! Component: 550 - total flux cleaned = 1.94944e-05 Jy ! Component: 600 - total flux cleaned = 9.92465e-05 Jy ! Component: 650 - total flux cleaned = 0.00015153 Jy ! Component: 700 - total flux cleaned = 0.000177141 Jy ! Component: 750 - total flux cleaned = 0.000227606 Jy ! Component: 800 - total flux cleaned = 0.000252386 Jy ! Component: 850 - total flux cleaned = 0.000301459 Jy ! Component: 900 - total flux cleaned = 0.000252801 Jy ! Component: 950 - total flux cleaned = 0.000277011 Jy ! Component: 1000 - total flux cleaned = 0.000277362 Jy ! Total flux subtracted in 1024 components = 0.000347862 Jy ! Clean residual min=-0.001173 max=0.001241 Jy/beam ! Clean residual mean=0.000048 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.722376 Jy keep ! Adding 67 model components to the UV plane model. ! The established model now contains 157 components and 0.722376 Jy wmap "J1147-0724_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6676 x 1.738 at -2.249 degrees (North through East) ! Clean map min=-0.001771 max=0.57372 Jy/beam ! Writing clean map to FITS file: J1147-0724_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 0.573717 invert ! Inverting map ! Your choice of large map pixels excluded 7.4% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000460718 device "J1147-0724_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1147-0724_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.240912 0.240912 0.481825 0.96365 1.9273 3.8546 7.7092 15.4184 30.8368 61.6736 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.573 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6676 x 1.738 at -2.249 degrees (North through East) ! Clean map min=-0.001771 max=0.57372 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1147-0724_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1147-0724_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1147-0724_X_2001_07_05_pus_uvs.log closed on Thu Jul 5 15:22:36 2007