! Started logfile: J0457-2324_X_2001_04_09_pus_uvs.log on Mon Oct 1 14:33:53 2007 obs J0457-2324_X_2001_04_09_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2001_04_09_pus_uva.fits ! AN table 1: 68 integrations on 190 of 190 possible baselines. ! AN table 2: 74 integrations on 190 of 190 possible baselines. ! AN table 3: 92 integrations on 190 of 190 possible baselines. ! AN table 4: 89 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0460974 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 1926 lines of history. ! ! Reading 11316 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_2001_04_09_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 1119 telescope corrections were flagged in sub-array 1. ! A total of 1140 telescope corrections were flagged in sub-array 2. ! A total of 1725 telescope corrections were flagged in sub-array 3. ! A total of 1514 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1119 telescope corrections were flagged in sub-array 1. ! A total of 1140 telescope corrections were flagged in sub-array 2. ! A total of 1725 telescope corrections were flagged in sub-array 3. ! A total of 1514 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1119 telescope corrections were flagged in sub-array 1. ! A total of 1140 telescope corrections were flagged in sub-array 2. ! A total of 1725 telescope corrections were flagged in sub-array 3. ! A total of 1514 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1119 telescope corrections were flagged in sub-array 1. ! A total of 1140 telescope corrections were flagged in sub-array 2. ! A total of 1725 telescope corrections were flagged in sub-array 3. ! A total of 1514 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.235926Jy sigma=0.009997 ! Fit after self-cal, rms=0.418659Jy sigma=0.003663 ! 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 0.806% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.6258 mas, bmaj=1.512 mas, bpa=0.00139 degrees ! Estimated noise=1456.74 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 = 0.968735 Jy ! Component: 100 - total flux cleaned = 1.21089 Jy ! Total flux subtracted in 100 components = 1.21089 Jy ! Clean residual min=-0.040444 max=0.104754 Jy/beam ! Clean residual mean=0.000807 rms=0.015723 Jy/beam ! Combined flux in latest and established models = 1.21089 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.21089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297862Jy sigma=0.002454 ! Fit after self-cal, rms=0.297735Jy sigma=0.002453 ! Inverting map ! Your choice of large map pixels excluded 0.806% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.118574 Jy ! Component: 100 - total flux cleaned = 0.184409 Jy ! Total flux subtracted in 100 components = 0.184409 Jy ! Clean residual min=-0.031355 max=0.043389 Jy/beam ! Clean residual mean=0.000153 rms=0.009414 Jy/beam ! Combined flux in latest and established models = 1.3953 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 1.3953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238230Jy sigma=0.001747 ! Fit after self-cal, rms=0.238166Jy sigma=0.001746 ! Inverting map ! Your choice of large map pixels excluded 0.806% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 0.806% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.791 mas, bmaj=2.055 mas, bpa=-3.086 degrees ! Estimated noise=853.748 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 = 0.0514269 Jy ! Component: 100 - total flux cleaned = 0.0742367 Jy ! Component: 150 - total flux cleaned = 0.0849449 Jy ! Component: 200 - total flux cleaned = 0.0863001 Jy ! Total flux subtracted in 200 components = 0.0863001 Jy ! Clean residual min=-0.025882 max=0.038244 Jy/beam ! Clean residual mean=0.000471 rms=0.009643 Jy/beam ! Combined flux in latest and established models = 1.4816 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 26 components and 1.4816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231617Jy sigma=0.001616 ! Fit after self-cal, rms=0.231587Jy sigma=0.001616 ! Inverting map ! Your choice of large map pixels excluded 0.806% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 87 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 1.00* HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.02 MC 1.08 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.13 TS 1.00* WF 1.17 WZ 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.32 KK 0.94 KP 0.94 ! LA 0.98 MA 1.00* MC 1.00* MK 0.94 ! NL 1.02 NY 1.00* OV 1.05 PT 0.98 ! SC 1.03 TS 1.00* WF 1.10 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.95 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00 MC 1.01 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.11 ! ! A total of 75 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 0.99 ! LA 1.00 MA 1.00* MC 1.00* MK 1.00* ! NL 1.00 NY 1.00* OV 1.09 PT 1.00 ! SC 0.97 TS 1.00* WF 0.97 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 87 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 1.00* HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.03 MC 1.04 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.14 TS 1.00* WF 1.14 WZ 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.34 KK 0.97 KP 0.93 ! LA 0.98 MA 1.00* MC 1.00* MK 0.98 ! NL 0.98 NY 1.00* OV 1.06 PT 0.97 ! SC 1.04 TS 1.00* WF 1.13 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.92 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.97 MC 0.98 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.13 ! ! A total of 75 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 0.98 KK 1.00* KP 1.00 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 0.95 NY 1.00* OV 1.08 PT 1.01 ! SC 0.96 TS 1.00* WF 0.98 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 87 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 1.00* HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.03 MC 1.12 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.16 TS 1.00* WF 1.18 WZ 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.34 KK 0.99 KP 0.84 ! LA 1.00 MA 1.00* MC 1.00* MK 0.94 ! NL 0.98 NY 1.00* OV 1.03 PT 0.93 ! SC 1.03 TS 1.00* WF 1.17 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.91 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.96 MC 1.05 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.20 ! ! A total of 75 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 0.89 ! LA 1.01 MA 1.00* MC 1.00* MK 1.00* ! NL 0.96 NY 1.00* OV 1.08 PT 0.96 ! SC 0.96 TS 1.00* WF 0.99 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 87 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 1.00* HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.00 MC 1.08 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.12 TS 1.00* WF 1.20 WZ 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.34 KK 0.99 KP 1.04 ! LA 0.98 MA 1.00* MC 1.00* MK 0.98 ! NL 0.98 NY 1.00* OV 1.01 PT 0.97 ! SC 1.04 TS 1.00* WF 1.12 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.98 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.95 MC 1.01 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 1.15 ! ! A total of 75 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 0.99 KK 1.00* KP 1.11 ! LA 0.98 MA 1.00* MC 1.00* MK 1.00* ! NL 0.97 NY 1.00* OV 1.05 PT 1.01 ! SC 0.97 TS 1.00* WF 0.99 WZ 1.00* ! ! ! Fit before self-cal, rms=0.231587Jy sigma=0.001616 ! Fit after self-cal, rms=0.198049Jy sigma=0.001247 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7849 mas, bmaj=2.056 mas, bpa=-3.946 degrees ! Estimated noise=889.766 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 = 0.00339039 Jy ! Component: 100 - total flux cleaned = 0.00367208 Jy ! Component: 150 - total flux cleaned = 0.00390064 Jy ! Component: 200 - total flux cleaned = 0.00409996 Jy ! Total flux subtracted in 200 components = 0.00409996 Jy ! Clean residual min=-0.004823 max=0.006810 Jy/beam ! Clean residual mean=0.000661 rms=0.001794 Jy/beam ! Combined flux in latest and established models = 1.4857 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 1.4857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197755Jy sigma=0.001244 ! Fit after self-cal, rms=0.197950Jy sigma=0.001243 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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=0.197950Jy sigma=0.001243 ! Fit after self-cal, rms=0.197882Jy sigma=0.001243 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.784 mas, bmaj=2.058 mas, bpa=-3.994 degrees ! Estimated noise=890.092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238856 Jy ! Component: 100 - total flux cleaned = 0.00260995 Jy ! Component: 150 - total flux cleaned = 0.00299561 Jy ! Component: 200 - total flux cleaned = 0.00307937 Jy ! Total flux subtracted in 200 components = 0.00307937 Jy ! Clean residual min=-0.004621 max=0.006149 Jy/beam ! Clean residual mean=0.000613 rms=0.001657 Jy/beam ! Combined flux in latest and established models = 1.48878 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 34 components and 1.48878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197686Jy sigma=0.001241 ! Fit after self-cal, rms=0.197642Jy sigma=0.001241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 = -5.29803e-05 Jy ! Component: 100 - total flux cleaned = 0.000257487 Jy ! Component: 150 - total flux cleaned = 0.000427719 Jy ! Component: 200 - total flux cleaned = 0.000497243 Jy ! Total flux subtracted in 200 components = 0.000497243 Jy ! Clean residual min=-0.004455 max=0.005815 Jy/beam ! Clean residual mean=0.000599 rms=0.001610 Jy/beam ! Combined flux in latest and established models = 1.48928 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 36 components and 1.48928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197524Jy sigma=0.001240 ! Fit after self-cal, rms=0.197501Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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=0.197501Jy sigma=0.001240 ! Fit after self-cal, rms=0.197599Jy sigma=0.001239 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7832 mas, bmaj=2.06 mas, bpa=-4.027 degrees ! Estimated noise=890.499 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152592 Jy ! Component: 100 - total flux cleaned = 0.00180412 Jy ! Component: 150 - total flux cleaned = 0.00218239 Jy ! Component: 200 - total flux cleaned = 0.00237255 Jy ! Total flux subtracted in 200 components = 0.00237255 Jy ! Clean residual min=-0.004375 max=0.005543 Jy/beam ! Clean residual mean=0.000603 rms=0.001506 Jy/beam ! Combined flux in latest and established models = 1.49165 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 1.49165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197488Jy sigma=0.001238 ! Fit after self-cal, rms=0.197464Jy sigma=0.001238 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 = -0.00018941 Jy ! Component: 100 - total flux cleaned = 4.45034e-05 Jy ! Component: 150 - total flux cleaned = 0.000228546 Jy ! Component: 200 - total flux cleaned = 0.000229192 Jy ! Total flux subtracted in 200 components = 0.000229192 Jy ! Clean residual min=-0.004195 max=0.005297 Jy/beam ! Clean residual mean=0.000596 rms=0.001480 Jy/beam ! Combined flux in latest and established models = 1.49188 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 1.49188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197395Jy sigma=0.001238 ! Fit after self-cal, rms=0.197380Jy sigma=0.001237 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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=0.197380Jy sigma=0.001237 ! Fit after self-cal, rms=0.197522Jy sigma=0.001237 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=2.315 mas, bmaj=4.954 mas, bpa=5.184 degrees ! Estimated noise=1103.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00298608 Jy ! Component: 100 - total flux cleaned = 0.00298964 Jy ! Component: 150 - total flux cleaned = 0.00305841 Jy ! Component: 200 - total flux cleaned = 0.00306102 Jy ! Total flux subtracted in 200 components = 0.00306102 Jy ! Clean residual min=-0.003995 max=0.006060 Jy/beam ! Clean residual mean=0.001179 rms=0.001691 Jy/beam ! Combined flux in latest and established models = 1.49494 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 39 components and 1.49494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197474Jy sigma=0.001237 ! Fit after self-cal, rms=0.197441Jy sigma=0.001236 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 = 0.000192828 Jy ! Component: 100 - total flux cleaned = 0.000269014 Jy ! Component: 150 - total flux cleaned = 0.000328373 Jy ! Component: 200 - total flux cleaned = 0.000332044 Jy ! Total flux subtracted in 200 components = 0.000332044 Jy ! Clean residual min=-0.003986 max=0.006032 Jy/beam ! Clean residual mean=0.001158 rms=0.001674 Jy/beam ! Combined flux in latest and established models = 1.49527 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 39 components and 1.49527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197480Jy sigma=0.001237 ! Fit after self-cal, rms=0.197464Jy sigma=0.001236 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7828 mas, bmaj=2.062 mas, bpa=-4.049 degrees ! Estimated noise=890.945 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7828 x 2.062 at -4.049 degrees (North through East) ! Clean map min=-0.0038652 max=1.2945 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=0.197464Jy sigma=0.001236 ! Fit after self-cal, rms=0.183700Jy sigma=0.001102 ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7818 mas, bmaj=2.065 mas, bpa=-4.087 degrees ! Estimated noise=890.348 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000440861 Jy ! Component: 100 - total flux cleaned = -0.000444754 Jy ! Component: 150 - total flux cleaned = -0.000398709 Jy ! Component: 200 - total flux cleaned = -0.000357959 Jy ! Total flux subtracted in 200 components = -0.000357959 Jy ! Clean residual min=-0.004672 max=0.005821 Jy/beam ! Clean residual mean=0.000399 rms=0.001234 Jy/beam ! Combined flux in latest and established models = 1.49491 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 43 components and 1.49491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183652Jy sigma=0.001102 ! Fit after self-cal, rms=0.183651Jy sigma=0.001102 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Added new window around map position (-1.8, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.002978 Jy ! Component: 100 - total flux cleaned = 0.00372915 Jy ! Component: 150 - total flux cleaned = 0.00405626 Jy ! Component: 200 - total flux cleaned = 0.00423686 Jy ! Total flux subtracted in 200 components = 0.00423686 Jy ! Clean residual min=-0.003697 max=0.003384 Jy/beam ! Clean residual mean=0.000265 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 1.49915 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 58 components and 1.49915 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183325Jy sigma=0.001100 ! Fit after self-cal, rms=0.183293Jy sigma=0.001099 ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183293Jy sigma=0.001099 ! Fit after self-cal, rms=0.183187Jy sigma=0.001099 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 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.6489 mas, bmaj=1.549 mas, bpa=-1.984 degrees ! Estimated noise=1485.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.981881 Jy ! Component: 100 - total flux cleaned = 1.22626 Jy ! Component: 150 - total flux cleaned = 1.33918 Jy ! Component: 200 - total flux cleaned = 1.40077 Jy ! Total flux subtracted in 200 components = 1.40077 Jy ! Clean residual min=-0.011787 max=0.031022 Jy/beam ! Clean residual mean=0.000434 rms=0.004773 Jy/beam ! Combined flux in latest and established models = 1.40077 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 12 model components to the UV plane model. ! The established model now contains 12 components and 1.40077 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7821 mas, bmaj=2.066 mas, bpa=-4.092 degrees ! Estimated noise=890.463 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 = 0.0472282 Jy ! Component: 100 - total flux cleaned = 0.0693571 Jy ! Component: 150 - total flux cleaned = 0.081669 Jy ! Component: 200 - total flux cleaned = 0.0890741 Jy ! Total flux subtracted in 200 components = 0.0890741 Jy ! Clean residual min=-0.004315 max=0.007631 Jy/beam ! Clean residual mean=0.000563 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 1.48984 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 38 components and 1.48984 Jy ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Added new window around map position (0.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00632232 Jy ! Component: 100 - total flux cleaned = 0.00790545 Jy ! Component: 150 - total flux cleaned = 0.00918601 Jy ! Component: 200 - total flux cleaned = 0.00978892 Jy ! Total flux subtracted in 200 components = 0.00978892 Jy ! Clean residual min=-0.003972 max=0.004109 Jy/beam ! Clean residual mean=0.000281 rms=0.001112 Jy/beam ! Combined flux in latest and established models = 1.49963 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 1.49963 Jy ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 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 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=2.314 mas, bmaj=4.963 mas, bpa=5.132 degrees ! Estimated noise=1103.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174788 Jy ! Component: 100 - total flux cleaned = 0.00217643 Jy ! Component: 150 - total flux cleaned = 0.00220666 Jy ! Component: 200 - total flux cleaned = 0.00226171 Jy ! Total flux subtracted in 200 components = 0.00226171 Jy ! Clean residual min=-0.003614 max=0.003112 Jy/beam ! Clean residual mean=0.000473 rms=0.001117 Jy/beam ! Combined flux in latest and established models = 1.50189 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 = 2.61635e-05 Jy ! Component: 100 - total flux cleaned = 7.41012e-05 Jy ! Component: 150 - total flux cleaned = 9.6227e-05 Jy ! Component: 200 - total flux cleaned = 0.000117683 Jy ! Total flux subtracted in 200 components = 0.000117683 Jy ! Clean residual min=-0.003578 max=0.003152 Jy/beam ! Clean residual mean=0.000465 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 1.50201 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 70 components and 1.50201 Jy ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! Estimated beam: bmin=0.7821 mas, bmaj=2.066 mas, bpa=-4.092 degrees ! Estimated noise=890.463 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000803231 Jy ! Component: 100 - total flux cleaned = -0.000805949 Jy ! Component: 150 - total flux cleaned = -0.000807199 Jy ! Component: 200 - total flux cleaned = -0.000980511 Jy ! Total flux subtracted in 200 components = -0.00098051 Jy ! Clean residual min=-0.003840 max=0.003889 Jy/beam ! Clean residual mean=0.000239 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 1.50103 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 1.50103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183363Jy sigma=0.001101 ! Fit after self-cal, rms=0.183277Jy sigma=0.001100 wmodel J0457-2324_X_2001_04_09_pus_map.mod ! Writing 79 model components to file: J0457-2324_X_2001_04_09_pus_map.mod wobs J0457-2324_X_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2001_04_09_pus_uvs.fits wwins J0457-2324_X_2001_04_09_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_X_2001_04_09_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 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -4.79219e-05 Jy ! Component: 100 - total flux cleaned = 0.000139021 Jy ! Component: 150 - total flux cleaned = 0.000558966 Jy ! Component: 200 - total flux cleaned = 0.000959835 Jy ! Component: 250 - total flux cleaned = 0.00123715 Jy ! Component: 300 - total flux cleaned = 0.0013445 Jy ! Component: 350 - total flux cleaned = 0.00144924 Jy ! Component: 400 - total flux cleaned = 0.00150063 Jy ! Component: 450 - total flux cleaned = 0.00165014 Jy ! Component: 500 - total flux cleaned = 0.00184451 Jy ! Component: 550 - total flux cleaned = 0.00198642 Jy ! Component: 600 - total flux cleaned = 0.00208013 Jy ! Component: 650 - total flux cleaned = 0.00226307 Jy ! Component: 700 - total flux cleaned = 0.00235211 Jy ! Component: 750 - total flux cleaned = 0.00248386 Jy ! Component: 800 - total flux cleaned = 0.00261372 Jy ! Component: 850 - total flux cleaned = 0.00274128 Jy ! Component: 900 - total flux cleaned = 0.00282498 Jy ! Component: 950 - total flux cleaned = 0.00294859 Jy ! Component: 1000 - total flux cleaned = 0.00306994 Jy ! Total flux subtracted in 1024 components = 0.00311003 Jy ! Clean residual min=-0.002276 max=0.002486 Jy/beam ! Clean residual mean=0.000175 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 1.50414 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 142 components and 1.50414 Jy ![Exited script file: muppet] wmap "J0457-2324_X_2001_04_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7821 x 2.066 at -4.092 degrees (North through East) ! Clean map min=-0.003425 max=1.3005 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2001_04_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.30047 invert ! Inverting map ! Your choice of large map pixels excluded 0.884% of the data. ! The x-axis pixel size should ideally be below 0.1927 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000775293 device "J0457-2324_X_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.17885 0.17885 0.357699 0.715398 1.4308 2.86159 5.72319 11.4464 22.8927 45.7855 91.571 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.3 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7821 x 2.066 at -4.092 degrees (North through East) ! Clean map min=-0.003425 max=1.3005 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2001_04_09_pus_uvs.log closed on Mon Oct 1 14:34:01 2007