! Started logfile: J0457-2324_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:17:55 2007 obs J0457-2324_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2000_05_22_pus_uva.fits ! AN table 1: 31 integrations on 190 of 190 possible baselines. ! AN table 2: 19 integrations on 190 of 190 possible baselines. ! AN table 3: 37 integrations on 190 of 190 possible baselines. ! AN table 4: 12 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0593833 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 1884 lines of history. ! ! Reading 4468 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 ![@muppet J0457-2324_X_2000_05_22_pus] 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 490 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 710 telescope corrections were flagged in sub-array 3. ! A total of 210 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 710 telescope corrections were flagged in sub-array 3. ! A total of 210 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 710 telescope corrections were flagged in sub-array 3. ! A total of 210 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 490 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 710 telescope corrections were flagged in sub-array 3. ! A total of 210 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.584977Jy sigma=0.004803 ! Fit after self-cal, rms=0.351817Jy sigma=0.002800 ! 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 3.81% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.6715 mas, bmaj=1.145 mas, bpa=8.302 degrees ! Estimated noise=1848.41 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 = 0.901097 Jy ! Component: 100 - total flux cleaned = 1.13856 Jy ! Total flux subtracted in 100 components = 1.13856 Jy ! Clean residual min=-0.043107 max=0.102531 Jy/beam ! Clean residual mean=0.003317 rms=0.017514 Jy/beam ! Combined flux in latest and established models = 1.13856 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.13856 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284598Jy sigma=0.002183 ! Fit after self-cal, rms=0.284824Jy sigma=0.002182 ! Inverting map ! Your choice of large map pixels excluded 3.81% 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 3.81% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7356 mas, bmaj=1.25 mas, bpa=-2.198 degrees ! Estimated noise=1463.89 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 = 0.124997 Jy ! Component: 100 - total flux cleaned = 0.188253 Jy ! Component: 150 - total flux cleaned = 0.22207 Jy ! Component: 200 - total flux cleaned = 0.240699 Jy ! Total flux subtracted in 200 components = 0.240699 Jy ! Clean residual min=-0.030394 max=0.014857 Jy/beam ! Clean residual mean=-0.009666 rms=0.007400 Jy/beam ! Combined flux in latest and established models = 1.37926 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 28 components and 1.37926 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239481Jy sigma=0.001605 ! Fit after self-cal, rms=0.239478Jy sigma=0.001604 ! Inverting map ! Your choice of large map pixels excluded 3.81% 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GC 1.00* GG 1.00* ! HH 1.16 HN 1.07 KK 1.00* KP 1.02 ! MA 1.00* MC 1.00* MK 1.00* NL 1.07 ! NY 1.00* OV 1.00* PT 1.05 SC 1.00 ! TS 1.00* WF 1.01 WZ 1.00* LA 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.92 GC 1.00* GG 1.00* ! HH 1.00* HN 1.04 KK 1.16 KP 0.98 ! MA 1.00* MC 1.00* MK 0.98 NL 0.95 ! NY 1.00* OV 0.93 PT 0.96 SC 1.02 ! TS 1.00* WF 1.00 WZ 1.00* LA 1.00* ! ! A total of 30 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* ! MA 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* LA 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 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* LA 0.00* ! ! ! Correcting IF 2. ! A total of 6 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 1.18 HN 1.06 KK 1.00* KP 0.97 ! MA 1.00* MC 1.00* MK 1.00* NL 1.06 ! NY 1.00* OV 1.00* PT 1.00 SC 1.01 ! TS 1.00* WF 1.05 WZ 1.00* LA 1.00* ! ! A total of 3 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 1.00* HN 1.05 KK 1.13 KP 0.93 ! MA 1.00* MC 1.00* MK 0.97 NL 0.97 ! NY 1.00* OV 0.96 PT 0.93 SC 1.03 ! TS 1.00* WF 1.02 WZ 1.00* LA 1.00* ! ! A total of 30 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* ! MA 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* LA 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 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* LA 0.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.18 HN 1.04 KK 1.00* KP 1.02 ! MA 1.00* MC 1.00* MK 1.00* NL 1.08 ! NY 1.00* OV 1.00* PT 1.06 SC 1.02 ! TS 1.00* WF 1.08 WZ 1.00* LA 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.05 KK 1.12 KP 0.98 ! MA 1.00* MC 1.00* MK 0.99 NL 0.96 ! NY 1.00* OV 0.95 PT 0.94 SC 1.05 ! TS 1.00* WF 1.05 WZ 1.00* LA 1.00* ! ! A total of 30 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* ! MA 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* LA 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 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* LA 0.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.19 HN 1.08 KK 1.00* KP 1.01 ! MA 1.00* MC 1.00* MK 1.00* NL 1.06 ! NY 1.00* OV 1.00* PT 1.04 SC 1.03 ! TS 1.00* WF 0.98 WZ 1.00* LA 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.13 KP 0.98 ! MA 1.00* MC 1.00* MK 1.04 NL 0.96 ! NY 1.00* OV 0.94 PT 0.96 SC 1.04 ! TS 1.00* WF 0.97 WZ 1.00* LA 1.00* ! ! A total of 30 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* ! MA 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* LA 0.00* ! ! A total of 30 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 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* LA 0.00* ! ! ! Fit before self-cal, rms=0.239478Jy sigma=0.001604 ! Fit after self-cal, rms=0.225825Jy sigma=0.001234 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7576 mas, bmaj=1.446 mas, bpa=-7.043 degrees ! Estimated noise=1522.54 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 = 0.000663184 Jy ! Component: 100 - total flux cleaned = 0.000954482 Jy ! Component: 150 - total flux cleaned = 0.000682371 Jy ! Component: 200 - total flux cleaned = 0.000675846 Jy ! Total flux subtracted in 200 components = 0.000675846 Jy ! Clean residual min=-0.015739 max=0.009044 Jy/beam ! Clean residual mean=-0.000268 rms=0.002765 Jy/beam ! Combined flux in latest and established models = 1.37994 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 1.37994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224978Jy sigma=0.001233 ! Fit after self-cal, rms=0.225212Jy sigma=0.001232 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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=0.225212Jy sigma=0.001232 ! Fit after self-cal, rms=0.227585Jy sigma=0.001232 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7581 mas, bmaj=1.456 mas, bpa=-7.236 degrees ! Estimated noise=1522.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000315132 Jy ! Component: 100 - total flux cleaned = 0.000313058 Jy ! Component: 150 - total flux cleaned = 0.000330929 Jy ! Component: 200 - total flux cleaned = 0.000572237 Jy ! Total flux subtracted in 200 components = 0.000572237 Jy ! Clean residual min=-0.015031 max=0.008791 Jy/beam ! Clean residual mean=-0.000256 rms=0.002678 Jy/beam ! Combined flux in latest and established models = 1.38051 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 1.38051 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226787Jy sigma=0.001231 ! Fit after self-cal, rms=0.226763Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 = 1.91241e-06 Jy ! Component: 100 - total flux cleaned = -1.45103e-05 Jy ! Component: 150 - total flux cleaned = -1.01481e-05 Jy ! Component: 200 - total flux cleaned = -2.08843e-05 Jy ! Total flux subtracted in 200 components = -2.08843e-05 Jy ! Clean residual min=-0.014354 max=0.008568 Jy/beam ! Clean residual mean=-0.000255 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 1.38049 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 1.38049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226262Jy sigma=0.001230 ! Fit after self-cal, rms=0.226237Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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=0.226237Jy sigma=0.001230 ! Fit after self-cal, rms=0.230173Jy sigma=0.001229 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7592 mas, bmaj=1.471 mas, bpa=-7.557 degrees ! Estimated noise=1524.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000265904 Jy ! Component: 100 - total flux cleaned = 0.000264367 Jy ! Component: 150 - total flux cleaned = 0.000270505 Jy ! Component: 200 - total flux cleaned = 0.000262635 Jy ! Total flux subtracted in 200 components = 0.000262635 Jy ! Clean residual min=-0.014081 max=0.008450 Jy/beam ! Clean residual mean=-0.000228 rms=0.002568 Jy/beam ! Combined flux in latest and established models = 1.38075 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 36 components and 1.38075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229470Jy sigma=0.001228 ! Fit after self-cal, rms=0.229473Jy sigma=0.001228 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 = 6.99975e-06 Jy ! Component: 100 - total flux cleaned = -8.86655e-07 Jy ! Component: 150 - total flux cleaned = -0.000209553 Jy ! Component: 200 - total flux cleaned = -0.000208888 Jy ! Total flux subtracted in 200 components = -0.000208888 Jy ! Clean residual min=-0.013548 max=0.008238 Jy/beam ! Clean residual mean=-0.000221 rms=0.002485 Jy/beam ! Combined flux in latest and established models = 1.38054 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 1.38054 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228979Jy sigma=0.001228 ! Fit after self-cal, rms=0.228960Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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=0.228960Jy sigma=0.001228 ! Fit after self-cal, rms=0.232696Jy sigma=0.001227 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=1.939 mas, bmaj=3.84 mas, bpa=-10.89 degrees ! Estimated noise=1958.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000886666 Jy ! Component: 100 - total flux cleaned = -0.000975412 Jy ! Component: 150 - total flux cleaned = -0.00108869 Jy ! Component: 200 - total flux cleaned = -0.00116619 Jy ! Total flux subtracted in 200 components = -0.00116619 Jy ! Clean residual min=-0.010698 max=0.008242 Jy/beam ! Clean residual mean=-0.000336 rms=0.002959 Jy/beam ! Combined flux in latest and established models = 1.37938 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 43 components and 1.37938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232797Jy sigma=0.001228 ! Fit after self-cal, rms=0.232786Jy sigma=0.001227 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 = 3.03278e-05 Jy ! Component: 100 - total flux cleaned = 3.78446e-05 Jy ! Component: 150 - total flux cleaned = -6.88486e-07 Jy ! Component: 200 - total flux cleaned = -2.62363e-05 Jy ! Total flux subtracted in 200 components = -2.62363e-05 Jy ! Clean residual min=-0.010668 max=0.008193 Jy/beam ! Clean residual mean=-0.000333 rms=0.002933 Jy/beam ! Combined flux in latest and established models = 1.37935 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 43 components and 1.37935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232881Jy sigma=0.001228 ! Fit after self-cal, rms=0.232861Jy sigma=0.001228 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7601 mas, bmaj=1.485 mas, bpa=-7.825 degrees ! Estimated noise=1525.59 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7601 x 1.485 at -7.825 degrees (North through East) ! Clean map min=-0.010822 max=1.1459 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=0.232861Jy sigma=0.001228 ! Fit after self-cal, rms=0.221230Jy sigma=0.001133 ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7601 mas, bmaj=1.472 mas, bpa=-7.555 degrees ! Estimated noise=1523.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000437643 Jy ! Component: 100 - total flux cleaned = -0.000438251 Jy ! Component: 150 - total flux cleaned = -0.000638693 Jy ! Component: 200 - total flux cleaned = -0.000642613 Jy ! Total flux subtracted in 200 components = -0.000642613 Jy ! Clean residual min=-0.011990 max=0.008405 Jy/beam ! Clean residual mean=-0.000100 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 1.37871 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 43 components and 1.37871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220755Jy sigma=0.001133 ! Fit after self-cal, rms=0.220730Jy sigma=0.001133 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 = 5.35816e-06 Jy ! Component: 100 - total flux cleaned = -0.000165488 Jy ! Component: 150 - total flux cleaned = -0.000172588 Jy ! Component: 200 - total flux cleaned = -0.000337276 Jy ! Total flux subtracted in 200 components = -0.000337276 Jy ! Clean residual min=-0.011481 max=0.008150 Jy/beam ! Clean residual mean=-0.000089 rms=0.002220 Jy/beam ! Combined flux in latest and established models = 1.37837 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 1.37837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220419Jy sigma=0.001132 ! Fit after self-cal, rms=0.220408Jy sigma=0.001132 ! Inverting map ! Your choice of large map pixels excluded 4.08% 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=0.220408Jy sigma=0.001132 ! Fit after self-cal, rms=0.223148Jy sigma=0.001132 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 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7235 mas, bmaj=1.326 mas, bpa=-0.1683 degrees ! Estimated noise=1895.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.921565 Jy ! Component: 100 - total flux cleaned = 1.14343 Jy ! Component: 150 - total flux cleaned = 1.24199 Jy ! Component: 200 - total flux cleaned = 1.2968 Jy ! Total flux subtracted in 200 components = 1.2968 Jy ! Clean residual min=-0.015873 max=0.030861 Jy/beam ! Clean residual mean=0.001301 rms=0.005220 Jy/beam ! Combined flux in latest and established models = 1.2968 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 14 model components to the UV plane model. ! The established model now contains 14 components and 1.2968 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7609 mas, bmaj=1.483 mas, bpa=-7.77 degrees ! Estimated noise=1524.74 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 = 0.0374641 Jy ! Component: 100 - total flux cleaned = 0.0571032 Jy ! Component: 150 - total flux cleaned = 0.0681047 Jy ! Component: 200 - total flux cleaned = 0.0707861 Jy ! Total flux subtracted in 200 components = 0.0707861 Jy ! Clean residual min=-0.008905 max=0.009707 Jy/beam ! Clean residual mean=0.000334 rms=0.002520 Jy/beam ! Combined flux in latest and established models = 1.36759 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 1.36759 Jy ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=1.94 mas, bmaj=3.84 mas, bpa=-10.89 degrees ! Estimated noise=1956.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00606594 Jy ! Component: 100 - total flux cleaned = 0.00630917 Jy ! Component: 150 - total flux cleaned = 0.00650388 Jy ! Component: 200 - total flux cleaned = 0.00667195 Jy ! Total flux subtracted in 200 components = 0.00667195 Jy ! Clean residual min=-0.009024 max=0.009535 Jy/beam ! Clean residual mean=0.000260 rms=0.003018 Jy/beam ! Combined flux in latest and established models = 1.37426 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 = 0.000156758 Jy ! Component: 100 - total flux cleaned = 0.000304689 Jy ! Component: 150 - total flux cleaned = 0.000444433 Jy ! Component: 200 - total flux cleaned = 0.000577889 Jy ! Total flux subtracted in 200 components = 0.000577889 Jy ! Clean residual min=-0.008935 max=0.009404 Jy/beam ! Clean residual mean=0.000210 rms=0.002967 Jy/beam ! Combined flux in latest and established models = 1.37484 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 33 components and 1.37484 Jy ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 4.08% of the data. ! The x-axis pixel size should ideally be below 0.162 milli-arcsec ! Estimated beam: bmin=0.7609 mas, bmaj=1.483 mas, bpa=-7.77 degrees ! Estimated noise=1524.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000412294 Jy ! Component: 100 - total flux cleaned = -5.4679e-05 Jy ! Component: 150 - total flux cleaned = 0.000109251 Jy ! Component: 200 - total flux cleaned = 0.000394457 Jy ! Total flux subtracted in 200 components = 0.000394457 Jy ! Clean residual min=-0.007888 max=0.008073 Jy/beam ! Clean residual mean=0.000071 rms=0.002225 Jy/beam ! Combined flux in latest and established models = 1.37523 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 1.37523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222003Jy sigma=0.001135 ! Fit after self-cal, rms=0.221754Jy sigma=0.001134 wmodel J0457-2324_X_2000_05_22_pus_map.mod ! Writing 39 model components to file: J0457-2324_X_2000_05_22_pus_map.mod wobs J0457-2324_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2000_05_22_pus_uvs.fits wwins J0457-2324_X_2000_05_22_pus_map.win ! wwins: Wrote 1 windows to J0457-2324_X_2000_05_22_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 4.08% 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 = 0.000163671 Jy ! Component: 100 - total flux cleaned = 0.000559818 Jy ! Component: 150 - total flux cleaned = 0.000438889 Jy ! Component: 200 - total flux cleaned = -7.57194e-06 Jy ! Component: 250 - total flux cleaned = 0.000102276 Jy ! Component: 300 - total flux cleaned = 0.000202068 Jy ! Component: 350 - total flux cleaned = 0.000397008 Jy ! Component: 400 - total flux cleaned = 0.000585346 Jy ! Component: 450 - total flux cleaned = 0.000945436 Jy ! Component: 500 - total flux cleaned = 0.00138054 Jy ! Component: 550 - total flux cleaned = 0.00179971 Jy ! Component: 600 - total flux cleaned = 0.00204352 Jy ! Component: 650 - total flux cleaned = 0.00228012 Jy ! Component: 700 - total flux cleaned = 0.00243234 Jy ! Component: 750 - total flux cleaned = 0.00258071 Jy ! Component: 800 - total flux cleaned = 0.00272454 Jy ! Component: 850 - total flux cleaned = 0.00300584 Jy ! Component: 900 - total flux cleaned = 0.00307401 Jy ! Component: 950 - total flux cleaned = 0.00341005 Jy ! Component: 1000 - total flux cleaned = 0.00354064 Jy ! Total flux subtracted in 1024 components = 0.00354107 Jy ! Clean residual min=-0.003881 max=0.003560 Jy/beam ! Clean residual mean=-0.000061 rms=0.001248 Jy/beam ! Combined flux in latest and established models = 1.37877 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 97 components and 1.37878 Jy ![Exited script file: muppet] wmap "J0457-2324_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.08% 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: 0.7609 x 1.483 at -7.77 degrees (North through East) ! Clean map min=-0.0056686 max=1.1587 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.15874 invert ! Inverting map ! Your choice of large map pixels excluded 4.08% 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 0.00124176 device "J0457-2324_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.321494 0.321494 0.642987 1.28597 2.57195 5.1439 10.2878 20.5756 41.1512 82.3024 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0037 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.158 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7609 x 1.483 at -7.77 degrees (North through East) ! Clean map min=-0.0056686 max=1.1587 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:17:58 2007