! Started logfile: J0457-2324_X_2000_12_04_pus_uvs.log on Fri Oct 12 15:15:07 2007 obs J0457-2324_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2000_12_04_pus_uva.fits ! AN table 1: 12 integrations on 190 of 190 possible baselines. ! AN table 2: 102 integrations on 190 of 190 possible baselines. ! AN table 3: 10 integrations on 190 of 190 possible baselines. ! AN table 4: 10 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.101689 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 2126 lines of history. ! ! Reading 10356 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_12_04_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 240 telescope corrections were flagged in sub-array 1. ! A total of 1355 telescope corrections were flagged in sub-array 2. ! A total of 176 telescope corrections were flagged in sub-array 3. ! A total of 200 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 240 telescope corrections were flagged in sub-array 1. ! A total of 1355 telescope corrections were flagged in sub-array 2. ! A total of 176 telescope corrections were flagged in sub-array 3. ! A total of 200 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 240 telescope corrections were flagged in sub-array 1. ! A total of 1355 telescope corrections were flagged in sub-array 2. ! A total of 176 telescope corrections were flagged in sub-array 3. ! A total of 200 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 240 telescope corrections were flagged in sub-array 1. ! A total of 1355 telescope corrections were flagged in sub-array 2. ! A total of 176 telescope corrections were flagged in sub-array 3. ! A total of 200 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.038664Jy sigma=0.010420 ! Fit after self-cal, rms=0.411514Jy sigma=0.004278 ! 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 0.839% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.6474 mas, bmaj=1.752 mas, bpa=-0.8971 degrees ! Estimated noise=1170.24 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 = 0.911164 Jy ! Component: 100 - total flux cleaned = 1.16765 Jy ! Total flux subtracted in 100 components = 1.16765 Jy ! Clean residual min=-0.033289 max=0.117148 Jy/beam ! Clean residual mean=0.000993 rms=0.014148 Jy/beam ! Combined flux in latest and established models = 1.16765 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 1.16765 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310893Jy sigma=0.003141 ! Fit after self-cal, rms=0.310823Jy sigma=0.003140 ! Inverting map ! Your choice of large map pixels excluded 0.839% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.133101 Jy ! Component: 100 - total flux cleaned = 0.212181 Jy ! Total flux subtracted in 100 components = 0.212181 Jy ! Clean residual min=-0.021656 max=0.041158 Jy/beam ! Clean residual mean=0.000376 rms=0.007787 Jy/beam ! Combined flux in latest and established models = 1.37983 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 30 components and 1.37983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218481Jy sigma=0.002025 ! Fit after self-cal, rms=0.218425Jy sigma=0.002025 ! Inverting map ! Your choice of large map pixels excluded 0.839% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 0.839% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7774 mas, bmaj=2.164 mas, bpa=-4.932 degrees ! Estimated noise=717.717 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 = 0.0783621 Jy ! Component: 100 - total flux cleaned = 0.116979 Jy ! Component: 150 - total flux cleaned = 0.137085 Jy ! Component: 200 - total flux cleaned = 0.147686 Jy ! Total flux subtracted in 200 components = 0.147686 Jy ! Clean residual min=-0.018322 max=0.028631 Jy/beam ! Clean residual mean=-0.000908 rms=0.006504 Jy/beam ! Combined flux in latest and established models = 1.52751 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 51 components and 1.52751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193992Jy sigma=0.001700 ! Fit after self-cal, rms=0.193896Jy sigma=0.001699 ! Inverting map ! Your choice of large map pixels excluded 0.839% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! A total of 93 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.06 KK 1.12 KP 0.98 ! LA 1.02 MA 1.00* MC 1.00* MK 0.96 ! NL 1.01 NY 1.00* OV 0.98 PT 1.00 ! SC 1.05 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! 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* ! LA 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! A total of 93 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.14 KP 0.98 ! LA 1.01 MA 1.00* MC 1.00* MK 0.97 ! NL 0.95 NY 1.00* OV 0.99 PT 1.00 ! SC 1.05 TS 1.00* WF 1.08 WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! 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* ! LA 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! A total of 93 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.10 KP 0.98 ! LA 1.01 MA 1.00* MC 1.00* MK 0.97 ! NL 0.95 NY 1.00* OV 0.94 PT 0.98 ! SC 1.05 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! 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* ! LA 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! A total of 93 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.02 GC 1.00* GG 1.00* ! HH 1.00* HN 1.03 KK 1.12 KP 0.99 ! LA 1.01 MA 1.00* MC 1.00* MK 0.94 ! NL 0.96 NY 1.00* OV 0.97 PT 0.96 ! SC 1.04 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* 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* ! ! 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* ! LA 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* ! ! ! Fit before self-cal, rms=0.193896Jy sigma=0.001699 ! Fit after self-cal, rms=0.187767Jy sigma=0.001589 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.777 mas, bmaj=2.182 mas, bpa=-5.575 degrees ! Estimated noise=744.017 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 = 0.00211641 Jy ! Component: 100 - total flux cleaned = 0.00197418 Jy ! Component: 150 - total flux cleaned = 0.00185873 Jy ! Component: 200 - total flux cleaned = 0.00176535 Jy ! Total flux subtracted in 200 components = 0.00176535 Jy ! Clean residual min=-0.014648 max=0.020197 Jy/beam ! Clean residual mean=0.000617 rms=0.005002 Jy/beam ! Combined flux in latest and established models = 1.52928 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 53 components and 1.52928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187579Jy sigma=0.001588 ! Fit after self-cal, rms=0.187668Jy sigma=0.001588 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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=0.187668Jy sigma=0.001588 ! Fit after self-cal, rms=0.169695Jy sigma=0.001352 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7785 mas, bmaj=2.187 mas, bpa=-5.586 degrees ! Estimated noise=745.349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00157179 Jy ! Component: 100 - total flux cleaned = -0.00195153 Jy ! Component: 150 - total flux cleaned = -0.00204659 Jy ! Component: 200 - total flux cleaned = -0.00213463 Jy ! Total flux subtracted in 200 components = -0.00213463 Jy ! Clean residual min=-0.007726 max=0.006250 Jy/beam ! Clean residual mean=0.000111 rms=0.001721 Jy/beam ! Combined flux in latest and established models = 1.52714 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 54 components and 1.52714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169525Jy sigma=0.001350 ! Fit after self-cal, rms=0.169483Jy sigma=0.001350 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 = -0.000311086 Jy ! Component: 100 - total flux cleaned = -0.000380068 Jy ! Component: 150 - total flux cleaned = -0.000512372 Jy ! Component: 200 - total flux cleaned = -0.000635216 Jy ! Total flux subtracted in 200 components = -0.000635216 Jy ! Clean residual min=-0.006680 max=0.006183 Jy/beam ! Clean residual mean=0.000128 rms=0.001704 Jy/beam ! Combined flux in latest and established models = 1.52651 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 54 components and 1.52651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169415Jy sigma=0.001350 ! Fit after self-cal, rms=0.169401Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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=0.169401Jy sigma=0.001350 ! Fit after self-cal, rms=0.169357Jy sigma=0.001341 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7802 mas, bmaj=2.191 mas, bpa=-5.58 degrees ! Estimated noise=746.221 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0028838 Jy ! Component: 100 - total flux cleaned = -0.00326302 Jy ! Component: 150 - total flux cleaned = -0.00351172 Jy ! Component: 200 - total flux cleaned = -0.00373521 Jy ! Total flux subtracted in 200 components = -0.00373521 Jy ! Clean residual min=-0.007167 max=0.005018 Jy/beam ! Clean residual mean=0.000171 rms=0.001475 Jy/beam ! Combined flux in latest and established models = 1.52277 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 1.52277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169255Jy sigma=0.001340 ! Fit after self-cal, rms=0.169244Jy sigma=0.001340 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 = -0.000231873 Jy ! Component: 100 - total flux cleaned = -0.000296479 Jy ! Component: 150 - total flux cleaned = -0.000421234 Jy ! Component: 200 - total flux cleaned = -0.000480165 Jy ! Total flux subtracted in 200 components = -0.000480165 Jy ! Clean residual min=-0.006353 max=0.004986 Jy/beam ! Clean residual mean=0.000184 rms=0.001460 Jy/beam ! Combined flux in latest and established models = 1.52229 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 1.52229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169197Jy sigma=0.001340 ! Fit after self-cal, rms=0.169189Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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=0.169189Jy sigma=0.001340 ! Fit after self-cal, rms=0.169504Jy sigma=0.001339 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=2.22 mas, bmaj=5.117 mas, bpa=0.137 degrees ! Estimated noise=954.615 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00389168 Jy ! Component: 100 - total flux cleaned = -0.00415717 Jy ! Component: 150 - total flux cleaned = -0.00415967 Jy ! Component: 200 - total flux cleaned = -0.00415814 Jy ! Total flux subtracted in 200 components = -0.00415814 Jy ! Clean residual min=-0.004255 max=0.006732 Jy/beam ! Clean residual mean=0.000663 rms=0.001729 Jy/beam ! Combined flux in latest and established models = 1.51814 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 55 components and 1.51814 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169519Jy sigma=0.001339 ! Fit after self-cal, rms=0.169488Jy sigma=0.001339 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 = 8.52712e-05 Jy ! Component: 100 - total flux cleaned = 8.97014e-05 Jy ! Component: 150 - total flux cleaned = 9.72154e-05 Jy ! Component: 200 - total flux cleaned = 0.000102175 Jy ! Total flux subtracted in 200 components = 0.000102175 Jy ! Clean residual min=-0.004222 max=0.006722 Jy/beam ! Clean residual mean=0.000657 rms=0.001724 Jy/beam ! Combined flux in latest and established models = 1.51824 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 55 components and 1.51824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169513Jy sigma=0.001339 ! Fit after self-cal, rms=0.169492Jy sigma=0.001339 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7814 mas, bmaj=2.195 mas, bpa=-5.576 degrees ! Estimated noise=746.845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7814 x 2.195 at -5.576 degrees (North through East) ! Clean map min=-0.0052567 max=1.2483 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=0.169492Jy sigma=0.001339 ! Fit after self-cal, rms=0.161200Jy sigma=0.001242 ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7819 mas, bmaj=2.194 mas, bpa=-5.534 degrees ! Estimated noise=745.708 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00163287 Jy ! Component: 100 - total flux cleaned = -0.00177438 Jy ! Component: 150 - total flux cleaned = -0.0018408 Jy ! Component: 200 - total flux cleaned = -0.00196178 Jy ! Total flux subtracted in 200 components = -0.00196178 Jy ! Clean residual min=-0.006190 max=0.005113 Jy/beam ! Clean residual mean=0.000331 rms=0.001370 Jy/beam ! Combined flux in latest and established models = 1.51628 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 1.51628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161145Jy sigma=0.001241 ! Fit after self-cal, rms=0.161141Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000115072 Jy ! Component: 100 - total flux cleaned = -0.000111093 Jy ! Component: 150 - total flux cleaned = -0.000164007 Jy ! Component: 200 - total flux cleaned = -0.000261069 Jy ! Total flux subtracted in 200 components = -0.000261069 Jy ! Clean residual min=-0.005680 max=0.005097 Jy/beam ! Clean residual mean=0.000338 rms=0.001357 Jy/beam ! Combined flux in latest and established models = 1.51602 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 56 components and 1.51602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161105Jy sigma=0.001241 ! Fit after self-cal, rms=0.161100Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161100Jy sigma=0.001241 ! Fit after self-cal, rms=0.161322Jy sigma=0.001240 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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.662 mas, bmaj=1.823 mas, bpa=-2.639 degrees ! Estimated noise=1198.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.937972 Jy ! Component: 100 - total flux cleaned = 1.19322 Jy ! Component: 150 - total flux cleaned = 1.32064 Jy ! Component: 200 - total flux cleaned = 1.39389 Jy ! Total flux subtracted in 200 components = 1.39389 Jy ! Clean residual min=-0.013026 max=0.036965 Jy/beam ! Clean residual mean=0.000429 rms=0.005107 Jy/beam ! Combined flux in latest and established models = 1.39389 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 24 model components to the UV plane model. ! The established model now contains 24 components and 1.39389 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7826 mas, bmaj=2.197 mas, bpa=-5.543 degrees ! Estimated noise=746.153 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 = 0.0592597 Jy ! Component: 100 - total flux cleaned = 0.0881977 Jy ! Component: 150 - total flux cleaned = 0.103255 Jy ! Component: 200 - total flux cleaned = 0.111146 Jy ! Total flux subtracted in 200 components = 0.111146 Jy ! Clean residual min=-0.004910 max=0.006762 Jy/beam ! Clean residual mean=0.000615 rms=0.001587 Jy/beam ! Combined flux in latest and established models = 1.50504 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 36 components and 1.50504 Jy ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Added new window around map position (-1.2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00643559 Jy ! Component: 100 - total flux cleaned = 0.00679148 Jy ! Component: 150 - total flux cleaned = 0.00711937 Jy ! Component: 200 - total flux cleaned = 0.00727544 Jy ! Total flux subtracted in 200 components = 0.00727544 Jy ! Clean residual min=-0.004690 max=0.005061 Jy/beam ! Clean residual mean=0.000426 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 1.51231 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 47 components and 1.51231 Jy ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=2.221 mas, bmaj=5.121 mas, bpa=0.1579 degrees ! Estimated noise=951.944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00390627 Jy ! Component: 100 - total flux cleaned = 0.00448255 Jy ! Component: 150 - total flux cleaned = 0.00466489 Jy ! Component: 200 - total flux cleaned = 0.00477348 Jy ! Total flux subtracted in 200 components = 0.00477348 Jy ! Clean residual min=-0.003311 max=0.005629 Jy/beam ! Clean residual mean=0.000686 rms=0.001325 Jy/beam ! Combined flux in latest and established models = 1.51709 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 = 0.00010182 Jy ! Component: 100 - total flux cleaned = 0.00019502 Jy ! Component: 150 - total flux cleaned = 0.000278906 Jy ! Component: 200 - total flux cleaned = 0.00031874 Jy ! Total flux subtracted in 200 components = 0.00031874 Jy ! Clean residual min=-0.003196 max=0.005475 Jy/beam ! Clean residual mean=0.000666 rms=0.001289 Jy/beam ! Combined flux in latest and established models = 1.5174 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 1.5174 Jy ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! Estimated beam: bmin=0.7826 mas, bmaj=2.197 mas, bpa=-5.543 degrees ! Estimated noise=746.153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00159297 Jy ! Component: 100 - total flux cleaned = -0.00190098 Jy ! Component: 150 - total flux cleaned = -0.00203986 Jy ! Component: 200 - total flux cleaned = -0.0020359 Jy ! Total flux subtracted in 200 components = -0.0020359 Jy ! Clean residual min=-0.004558 max=0.004688 Jy/beam ! Clean residual mean=0.000341 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 1.51537 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 61 components and 1.51537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161664Jy sigma=0.001242 ! Fit after self-cal, rms=0.161566Jy sigma=0.001241 wmodel J0457-2324_X_2000_12_04_pus_map.mod ! Writing 61 model components to file: J0457-2324_X_2000_12_04_pus_map.mod wobs J0457-2324_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2000_12_04_pus_uvs.fits wwins J0457-2324_X_2000_12_04_pus_map.win ! wwins: Wrote 2 windows to J0457-2324_X_2000_12_04_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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135512 Jy ! Component: 100 - total flux cleaned = 0.00111974 Jy ! Component: 150 - total flux cleaned = 0.00148547 Jy ! Component: 200 - total flux cleaned = 0.00169578 Jy ! Component: 250 - total flux cleaned = 0.00176202 Jy ! Component: 300 - total flux cleaned = 0.00195611 Jy ! Component: 350 - total flux cleaned = 0.00208225 Jy ! Component: 400 - total flux cleaned = 0.00220477 Jy ! Component: 450 - total flux cleaned = 0.0023837 Jy ! Component: 500 - total flux cleaned = 0.0026164 Jy ! Component: 550 - total flux cleaned = 0.00278671 Jy ! Component: 600 - total flux cleaned = 0.00300737 Jy ! Component: 650 - total flux cleaned = 0.00311581 Jy ! Component: 700 - total flux cleaned = 0.00332848 Jy ! Component: 750 - total flux cleaned = 0.00348435 Jy ! Component: 800 - total flux cleaned = 0.00363699 Jy ! Component: 850 - total flux cleaned = 0.00378608 Jy ! Component: 900 - total flux cleaned = 0.00383451 Jy ! Component: 950 - total flux cleaned = 0.00393139 Jy ! Component: 1000 - total flux cleaned = 0.00412137 Jy ! Total flux subtracted in 1024 components = 0.00412161 Jy ! Clean residual min=-0.002571 max=0.002340 Jy/beam ! Clean residual mean=0.000231 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 1.51949 Jy keep ! Adding 69 model components to the UV plane model. ! The established model now contains 130 components and 1.51949 Jy ![Exited script file: muppet] wmap "J0457-2324_X_2000_12_04_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7826 x 2.197 at -5.543 degrees (North through East) ! Clean map min=-0.0037292 max=1.2539 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.25395 invert ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1953 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000931309 device "J0457-2324_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.222811 0.222811 0.445621 0.891242 1.78248 3.56497 7.12994 14.2599 28.5198 57.0395 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.253 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7826 x 2.197 at -5.543 degrees (North through East) ! Clean map min=-0.0037292 max=1.2539 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 15:15:11 2007